diff --git a/service/ControlPlane.cpp b/service/ControlPlane.cpp index 3604dd1e1..c92087f7a 100644 --- a/service/ControlPlane.cpp +++ b/service/ControlPlane.cpp @@ -37,8 +37,7 @@ #include "../node/InetAddress.hpp" #include "../node/Node.hpp" #include "../node/Utils.hpp" - -#define ZT_BUILD_IN_WEB_UI +#include "../osdep/OSUtils.hpp" namespace ZeroTier { @@ -242,9 +241,10 @@ static void _jsonAppend(unsigned int depth,std::string &buf,const ZT1_Peer *peer buf.append(json); } -ControlPlane::ControlPlane(OneService *svc,Node *n) : +ControlPlane::ControlPlane(OneService *svc,Node *n,const char *uiStaticPath) : _svc(svc), - _node(n) + _node(n), + _uiStaticPath((uiStaticPath) ? uiStaticPath : "") { } @@ -316,31 +316,34 @@ unsigned int ControlPlane::handleRequest( * dot in the first path element (e.g. foo.html) is considered a static page, * as nothing in the API is so named. */ -#ifdef ZT_BUILD_IN_WEB_UI - if (ext == ".html") - responseContentType = "text/html"; - else if (ext == ".js") - responseContentType = "application/javascript"; - else if (ext == ".json") - responseContentType = "application/json"; - else if (ext == ".css") - responseContentType = "text/css"; - else if (ext == ".png") - responseContentType = "image/png"; - else if (ext == ".jpg") - responseContentType = "image/jpeg"; - else if (ext == ".gif") - responseContentType = "image/gif"; - else if (ext == ".txt") - responseContentType = "text/plain"; - else if (ext == ".xml") - responseContentType = "text/xml"; - else if (ext == ".svg") - responseContentType = "image/svg+xml"; - else responseContentType = "application/octet-stream"; - responseBody = "Hello World!"; - scode = 200; -#endif // ZT_BUILD_IN_WEB_UI + if (_uiStaticPath.length() > 0) { + if (ext == ".html") + responseContentType = "text/html"; + else if (ext == ".js") + responseContentType = "application/javascript"; + else if (ext == ".jsx") + responseContentType = "text/jsx"; + else if (ext == ".json") + responseContentType = "application/json"; + else if (ext == ".css") + responseContentType = "text/css"; + else if (ext == ".png") + responseContentType = "image/png"; + else if (ext == ".jpg") + responseContentType = "image/jpeg"; + else if (ext == ".gif") + responseContentType = "image/gif"; + else if (ext == ".txt") + responseContentType = "text/plain"; + else if (ext == ".xml") + responseContentType = "text/xml"; + else if (ext == ".svg") + responseContentType = "image/svg+xml"; + else responseContentType = "application/octet-stream"; + scode = OSUtils::readFile((_uiStaticPath + ZT_PATH_SEPARATOR_S + ps[0]).c_str(),responseBody) ? 200 : 404; + } else { + scode = 404; + } } else if (isAuth) { /* Things that require authentication -- a.k.a. everything but static web app pages. */ diff --git a/service/ControlPlane.hpp b/service/ControlPlane.hpp index 3db1ddd05..b7b0a8576 100644 --- a/service/ControlPlane.hpp +++ b/service/ControlPlane.hpp @@ -49,7 +49,7 @@ struct InetAddress; class ControlPlane { public: - ControlPlane(OneService *svc,Node *n); + ControlPlane(OneService *svc,Node *n,const char *uiStaticPath); ~ControlPlane(); /** @@ -102,6 +102,7 @@ public: private: OneService *const _svc; Node *const _node; + std::string _uiStaticPath; std::set _authTokens; std::map _subsystems; Mutex _lock; diff --git a/service/OneService.cpp b/service/OneService.cpp index 421b47ddf..56b1d9797 100644 --- a/service/OneService.cpp +++ b/service/OneService.cpp @@ -226,7 +226,7 @@ public: if (_master) _node->setNetconfMaster((void *)_master); - _controlPlane = new ControlPlane(this,_node); + _controlPlane = new ControlPlane(this,_node,(_homePath + ZT_PATH_SEPARATOR_S + "ui").c_str()); _controlPlane->addAuthToken(authToken.c_str()); if (_master) _controlPlane->mount("controller",reinterpret_cast(_master)); diff --git a/ui/JSXTransformer.js b/ui/JSXTransformer.js new file mode 100644 index 000000000..19a5fc0f8 --- /dev/null +++ b/ui/JSXTransformer.js @@ -0,0 +1,15919 @@ +/** + * JSXTransformer v0.13.2 + */ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.JSXTransformer = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o + * @license MIT + */ + +var base64 = _dereq_('base64-js') +var ieee754 = _dereq_('ieee754') +var isArray = _dereq_('is-array') + +exports.Buffer = Buffer +exports.SlowBuffer = SlowBuffer +exports.INSPECT_MAX_BYTES = 50 +Buffer.poolSize = 8192 // not used by this implementation + +var kMaxLength = 0x3fffffff +var rootParent = {} + +/** + * If `Buffer.TYPED_ARRAY_SUPPORT`: + * === true Use Uint8Array implementation (fastest) + * === false Use Object implementation (most compatible, even IE6) + * + * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, + * Opera 11.6+, iOS 4.2+. + * + * Note: + * + * - Implementation must support adding new properties to `Uint8Array` instances. + * Firefox 4-29 lacked support, fixed in Firefox 30+. + * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. + * + * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. + * + * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of + * incorrect length in some situations. + * + * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they will + * get the Object implementation, which is slower but will work correctly. + */ +Buffer.TYPED_ARRAY_SUPPORT = (function () { + try { + var buf = new ArrayBuffer(0) + var arr = new Uint8Array(buf) + arr.foo = function () { return 42 } + return arr.foo() === 42 && // typed array instances can be augmented + typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray` + new Uint8Array(1).subarray(1, 1).byteLength === 0 // ie10 has broken `subarray` + } catch (e) { + return false + } +})() + +/** + * Class: Buffer + * ============= + * + * The Buffer constructor returns instances of `Uint8Array` that are augmented + * with function properties for all the node `Buffer` API functions. We use + * `Uint8Array` so that square bracket notation works as expected -- it returns + * a single octet. + * + * By augmenting the instances, we can avoid modifying the `Uint8Array` + * prototype. + */ +function Buffer (subject, encoding) { + var self = this + if (!(self instanceof Buffer)) return new Buffer(subject, encoding) + + var type = typeof subject + var length + + if (type === 'number') { + length = +subject + } else if (type === 'string') { + length = Buffer.byteLength(subject, encoding) + } else if (type === 'object' && subject !== null) { + // assume object is array-like + if (subject.type === 'Buffer' && isArray(subject.data)) subject = subject.data + length = +subject.length + } else { + throw new TypeError('must start with number, buffer, array or string') + } + + if (length > kMaxLength) { + throw new RangeError('Attempt to allocate Buffer larger than maximum size: 0x' + + kMaxLength.toString(16) + ' bytes') + } + + if (length < 0) length = 0 + else length >>>= 0 // coerce to uint32 + + if (Buffer.TYPED_ARRAY_SUPPORT) { + // Preferred: Return an augmented `Uint8Array` instance for best performance + self = Buffer._augment(new Uint8Array(length)) // eslint-disable-line consistent-this + } else { + // Fallback: Return THIS instance of Buffer (created by `new`) + self.length = length + self._isBuffer = true + } + + var i + if (Buffer.TYPED_ARRAY_SUPPORT && typeof subject.byteLength === 'number') { + // Speed optimization -- use set if we're copying from a typed array + self._set(subject) + } else if (isArrayish(subject)) { + // Treat array-ish objects as a byte array + if (Buffer.isBuffer(subject)) { + for (i = 0; i < length; i++) { + self[i] = subject.readUInt8(i) + } + } else { + for (i = 0; i < length; i++) { + self[i] = ((subject[i] % 256) + 256) % 256 + } + } + } else if (type === 'string') { + self.write(subject, 0, encoding) + } else if (type === 'number' && !Buffer.TYPED_ARRAY_SUPPORT) { + for (i = 0; i < length; i++) { + self[i] = 0 + } + } + + if (length > 0 && length <= Buffer.poolSize) self.parent = rootParent + + return self +} + +function SlowBuffer (subject, encoding) { + if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding) + + var buf = new Buffer(subject, encoding) + delete buf.parent + return buf +} + +Buffer.isBuffer = function isBuffer (b) { + return !!(b != null && b._isBuffer) +} + +Buffer.compare = function compare (a, b) { + if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { + throw new TypeError('Arguments must be Buffers') + } + + if (a === b) return 0 + + var x = a.length + var y = b.length + for (var i = 0, len = Math.min(x, y); i < len && a[i] === b[i]; i++) {} + if (i !== len) { + x = a[i] + y = b[i] + } + if (x < y) return -1 + if (y < x) return 1 + return 0 +} + +Buffer.isEncoding = function isEncoding (encoding) { + switch (String(encoding).toLowerCase()) { + case 'hex': + case 'utf8': + case 'utf-8': + case 'ascii': + case 'binary': + case 'base64': + case 'raw': + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return true + default: + return false + } +} + +Buffer.concat = function concat (list, totalLength) { + if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.') + + if (list.length === 0) { + return new Buffer(0) + } else if (list.length === 1) { + return list[0] + } + + var i + if (totalLength === undefined) { + totalLength = 0 + for (i = 0; i < list.length; i++) { + totalLength += list[i].length + } + } + + var buf = new Buffer(totalLength) + var pos = 0 + for (i = 0; i < list.length; i++) { + var item = list[i] + item.copy(buf, pos) + pos += item.length + } + return buf +} + +Buffer.byteLength = function byteLength (str, encoding) { + var ret + str = str + '' + switch (encoding || 'utf8') { + case 'ascii': + case 'binary': + case 'raw': + ret = str.length + break + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + ret = str.length * 2 + break + case 'hex': + ret = str.length >>> 1 + break + case 'utf8': + case 'utf-8': + ret = utf8ToBytes(str).length + break + case 'base64': + ret = base64ToBytes(str).length + break + default: + ret = str.length + } + return ret +} + +// pre-set for values that may exist in the future +Buffer.prototype.length = undefined +Buffer.prototype.parent = undefined + +// toString(encoding, start=0, end=buffer.length) +Buffer.prototype.toString = function toString (encoding, start, end) { + var loweredCase = false + + start = start >>> 0 + end = end === undefined || end === Infinity ? this.length : end >>> 0 + + if (!encoding) encoding = 'utf8' + if (start < 0) start = 0 + if (end > this.length) end = this.length + if (end <= start) return '' + + while (true) { + switch (encoding) { + case 'hex': + return hexSlice(this, start, end) + + case 'utf8': + case 'utf-8': + return utf8Slice(this, start, end) + + case 'ascii': + return asciiSlice(this, start, end) + + case 'binary': + return binarySlice(this, start, end) + + case 'base64': + return base64Slice(this, start, end) + + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + return utf16leSlice(this, start, end) + + default: + if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) + encoding = (encoding + '').toLowerCase() + loweredCase = true + } + } +} + +Buffer.prototype.equals = function equals (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return true + return Buffer.compare(this, b) === 0 +} + +Buffer.prototype.inspect = function inspect () { + var str = '' + var max = exports.INSPECT_MAX_BYTES + if (this.length > 0) { + str = this.toString('hex', 0, max).match(/.{2}/g).join(' ') + if (this.length > max) str += ' ... ' + } + return '' +} + +Buffer.prototype.compare = function compare (b) { + if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') + if (this === b) return 0 + return Buffer.compare(this, b) +} + +Buffer.prototype.indexOf = function indexOf (val, byteOffset) { + if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff + else if (byteOffset < -0x80000000) byteOffset = -0x80000000 + byteOffset >>= 0 + + if (this.length === 0) return -1 + if (byteOffset >= this.length) return -1 + + // Negative offsets start from the end of the buffer + if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0) + + if (typeof val === 'string') { + if (val.length === 0) return -1 // special case: looking for empty string always fails + return String.prototype.indexOf.call(this, val, byteOffset) + } + if (Buffer.isBuffer(val)) { + return arrayIndexOf(this, val, byteOffset) + } + if (typeof val === 'number') { + if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') { + return Uint8Array.prototype.indexOf.call(this, val, byteOffset) + } + return arrayIndexOf(this, [ val ], byteOffset) + } + + function arrayIndexOf (arr, val, byteOffset) { + var foundIndex = -1 + for (var i = 0; byteOffset + i < arr.length; i++) { + if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) { + if (foundIndex === -1) foundIndex = i + if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex + } else { + foundIndex = -1 + } + } + return -1 + } + + throw new TypeError('val must be string, number or Buffer') +} + +// `get` will be removed in Node 0.13+ +Buffer.prototype.get = function get (offset) { + console.log('.get() is deprecated. Access using array indexes instead.') + return this.readUInt8(offset) +} + +// `set` will be removed in Node 0.13+ +Buffer.prototype.set = function set (v, offset) { + console.log('.set() is deprecated. Access using array indexes instead.') + return this.writeUInt8(v, offset) +} + +function hexWrite (buf, string, offset, length) { + offset = Number(offset) || 0 + var remaining = buf.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + + // must be an even number of digits + var strLen = string.length + if (strLen % 2 !== 0) throw new Error('Invalid hex string') + + if (length > strLen / 2) { + length = strLen / 2 + } + for (var i = 0; i < length; i++) { + var parsed = parseInt(string.substr(i * 2, 2), 16) + if (isNaN(parsed)) throw new Error('Invalid hex string') + buf[offset + i] = parsed + } + return i +} + +function utf8Write (buf, string, offset, length) { + var charsWritten = blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) + return charsWritten +} + +function asciiWrite (buf, string, offset, length) { + var charsWritten = blitBuffer(asciiToBytes(string), buf, offset, length) + return charsWritten +} + +function binaryWrite (buf, string, offset, length) { + return asciiWrite(buf, string, offset, length) +} + +function base64Write (buf, string, offset, length) { + var charsWritten = blitBuffer(base64ToBytes(string), buf, offset, length) + return charsWritten +} + +function utf16leWrite (buf, string, offset, length) { + var charsWritten = blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) + return charsWritten +} + +Buffer.prototype.write = function write (string, offset, length, encoding) { + // Support both (string, offset, length, encoding) + // and the legacy (string, encoding, offset, length) + if (isFinite(offset)) { + if (!isFinite(length)) { + encoding = length + length = undefined + } + } else { // legacy + var swap = encoding + encoding = offset + offset = length + length = swap + } + + offset = Number(offset) || 0 + + if (length < 0 || offset < 0 || offset > this.length) { + throw new RangeError('attempt to write outside buffer bounds') + } + + var remaining = this.length - offset + if (!length) { + length = remaining + } else { + length = Number(length) + if (length > remaining) { + length = remaining + } + } + encoding = String(encoding || 'utf8').toLowerCase() + + var ret + switch (encoding) { + case 'hex': + ret = hexWrite(this, string, offset, length) + break + case 'utf8': + case 'utf-8': + ret = utf8Write(this, string, offset, length) + break + case 'ascii': + ret = asciiWrite(this, string, offset, length) + break + case 'binary': + ret = binaryWrite(this, string, offset, length) + break + case 'base64': + ret = base64Write(this, string, offset, length) + break + case 'ucs2': + case 'ucs-2': + case 'utf16le': + case 'utf-16le': + ret = utf16leWrite(this, string, offset, length) + break + default: + throw new TypeError('Unknown encoding: ' + encoding) + } + return ret +} + +Buffer.prototype.toJSON = function toJSON () { + return { + type: 'Buffer', + data: Array.prototype.slice.call(this._arr || this, 0) + } +} + +function base64Slice (buf, start, end) { + if (start === 0 && end === buf.length) { + return base64.fromByteArray(buf) + } else { + return base64.fromByteArray(buf.slice(start, end)) + } +} + +function utf8Slice (buf, start, end) { + var res = '' + var tmp = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + if (buf[i] <= 0x7F) { + res += decodeUtf8Char(tmp) + String.fromCharCode(buf[i]) + tmp = '' + } else { + tmp += '%' + buf[i].toString(16) + } + } + + return res + decodeUtf8Char(tmp) +} + +function asciiSlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + ret += String.fromCharCode(buf[i] & 0x7F) + } + return ret +} + +function binarySlice (buf, start, end) { + var ret = '' + end = Math.min(buf.length, end) + + for (var i = start; i < end; i++) { + ret += String.fromCharCode(buf[i]) + } + return ret +} + +function hexSlice (buf, start, end) { + var len = buf.length + + if (!start || start < 0) start = 0 + if (!end || end < 0 || end > len) end = len + + var out = '' + for (var i = start; i < end; i++) { + out += toHex(buf[i]) + } + return out +} + +function utf16leSlice (buf, start, end) { + var bytes = buf.slice(start, end) + var res = '' + for (var i = 0; i < bytes.length; i += 2) { + res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) + } + return res +} + +Buffer.prototype.slice = function slice (start, end) { + var len = this.length + start = ~~start + end = end === undefined ? len : ~~end + + if (start < 0) { + start += len + if (start < 0) start = 0 + } else if (start > len) { + start = len + } + + if (end < 0) { + end += len + if (end < 0) end = 0 + } else if (end > len) { + end = len + } + + if (end < start) end = start + + var newBuf + if (Buffer.TYPED_ARRAY_SUPPORT) { + newBuf = Buffer._augment(this.subarray(start, end)) + } else { + var sliceLen = end - start + newBuf = new Buffer(sliceLen, undefined) + for (var i = 0; i < sliceLen; i++) { + newBuf[i] = this[i + start] + } + } + + if (newBuf.length) newBuf.parent = this.parent || this + + return newBuf +} + +/* + * Need to make sure that buffer isn't trying to write out of bounds. + */ +function checkOffset (offset, ext, length) { + if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') + if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') +} + +Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + + return val +} + +Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) { + checkOffset(offset, byteLength, this.length) + } + + var val = this[offset + --byteLength] + var mul = 1 + while (byteLength > 0 && (mul *= 0x100)) { + val += this[offset + --byteLength] * mul + } + + return val +} + +Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length) + return this[offset] +} + +Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + return this[offset] | (this[offset + 1] << 8) +} + +Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + return (this[offset] << 8) | this[offset + 1] +} + +Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return ((this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16)) + + (this[offset + 3] * 0x1000000) +} + +Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] * 0x1000000) + + ((this[offset + 1] << 16) | + (this[offset + 2] << 8) | + this[offset + 3]) +} + +Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var val = this[offset] + var mul = 1 + var i = 0 + while (++i < byteLength && (mul *= 0x100)) { + val += this[offset + i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkOffset(offset, byteLength, this.length) + + var i = byteLength + var mul = 1 + var val = this[offset + --i] + while (i > 0 && (mul *= 0x100)) { + val += this[offset + --i] * mul + } + mul *= 0x80 + + if (val >= mul) val -= Math.pow(2, 8 * byteLength) + + return val +} + +Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { + if (!noAssert) checkOffset(offset, 1, this.length) + if (!(this[offset] & 0x80)) return (this[offset]) + return ((0xff - this[offset] + 1) * -1) +} + +Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset] | (this[offset + 1] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 2, this.length) + var val = this[offset + 1] | (this[offset] << 8) + return (val & 0x8000) ? val | 0xFFFF0000 : val +} + +Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset]) | + (this[offset + 1] << 8) | + (this[offset + 2] << 16) | + (this[offset + 3] << 24) +} + +Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + + return (this[offset] << 24) | + (this[offset + 1] << 16) | + (this[offset + 2] << 8) | + (this[offset + 3]) +} + +Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, true, 23, 4) +} + +Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 4, this.length) + return ieee754.read(this, offset, false, 23, 4) +} + +Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, true, 52, 8) +} + +Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { + if (!noAssert) checkOffset(offset, 8, this.length) + return ieee754.read(this, offset, false, 52, 8) +} + +function checkInt (buf, value, offset, ext, max, min) { + if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance') + if (value > max || value < min) throw new RangeError('value is out of bounds') + if (offset + ext > buf.length) throw new RangeError('index out of range') +} + +Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) + + var mul = 1 + var i = 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = (value / mul) >>> 0 & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + byteLength = byteLength >>> 0 + if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0) + + var i = byteLength - 1 + var mul = 1 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = (value / mul) >>> 0 & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) + this[offset] = value + return offset + 1 +} + +function objectWriteUInt16 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffff + value + 1 + for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) { + buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> + (littleEndian ? i : 1 - i) * 8 + } +} + +Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = value + this[offset + 1] = (value >>> 8) + } else { + objectWriteUInt16(this, value, offset, true) + } + return offset + 2 +} + +Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8) + this[offset + 1] = value + } else { + objectWriteUInt16(this, value, offset, false) + } + return offset + 2 +} + +function objectWriteUInt32 (buf, value, offset, littleEndian) { + if (value < 0) value = 0xffffffff + value + 1 + for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) { + buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff + } +} + +Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset + 3] = (value >>> 24) + this[offset + 2] = (value >>> 16) + this[offset + 1] = (value >>> 8) + this[offset] = value + } else { + objectWriteUInt32(this, value, offset, true) + } + return offset + 4 +} + +Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = value + } else { + objectWriteUInt32(this, value, offset, false) + } + return offset + 4 +} + +Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkInt( + this, value, offset, byteLength, + Math.pow(2, 8 * byteLength - 1) - 1, + -Math.pow(2, 8 * byteLength - 1) + ) + } + + var i = 0 + var mul = 1 + var sub = value < 0 ? 1 : 0 + this[offset] = value & 0xFF + while (++i < byteLength && (mul *= 0x100)) { + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) { + checkInt( + this, value, offset, byteLength, + Math.pow(2, 8 * byteLength - 1) - 1, + -Math.pow(2, 8 * byteLength - 1) + ) + } + + var i = byteLength - 1 + var mul = 1 + var sub = value < 0 ? 1 : 0 + this[offset + i] = value & 0xFF + while (--i >= 0 && (mul *= 0x100)) { + this[offset + i] = ((value / mul) >> 0) - sub & 0xFF + } + + return offset + byteLength +} + +Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) + if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) + if (value < 0) value = 0xff + value + 1 + this[offset] = value + return offset + 1 +} + +Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = value + this[offset + 1] = (value >>> 8) + } else { + objectWriteUInt16(this, value, offset, true) + } + return offset + 2 +} + +Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 8) + this[offset + 1] = value + } else { + objectWriteUInt16(this, value, offset, false) + } + return offset + 2 +} + +Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = value + this[offset + 1] = (value >>> 8) + this[offset + 2] = (value >>> 16) + this[offset + 3] = (value >>> 24) + } else { + objectWriteUInt32(this, value, offset, true) + } + return offset + 4 +} + +Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { + value = +value + offset = offset >>> 0 + if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) + if (value < 0) value = 0xffffffff + value + 1 + if (Buffer.TYPED_ARRAY_SUPPORT) { + this[offset] = (value >>> 24) + this[offset + 1] = (value >>> 16) + this[offset + 2] = (value >>> 8) + this[offset + 3] = value + } else { + objectWriteUInt32(this, value, offset, false) + } + return offset + 4 +} + +function checkIEEE754 (buf, value, offset, ext, max, min) { + if (value > max || value < min) throw new RangeError('value is out of bounds') + if (offset + ext > buf.length) throw new RangeError('index out of range') + if (offset < 0) throw new RangeError('index out of range') +} + +function writeFloat (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) + } + ieee754.write(buf, value, offset, littleEndian, 23, 4) + return offset + 4 +} + +Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { + return writeFloat(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { + return writeFloat(this, value, offset, false, noAssert) +} + +function writeDouble (buf, value, offset, littleEndian, noAssert) { + if (!noAssert) { + checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) + } + ieee754.write(buf, value, offset, littleEndian, 52, 8) + return offset + 8 +} + +Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { + return writeDouble(this, value, offset, true, noAssert) +} + +Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { + return writeDouble(this, value, offset, false, noAssert) +} + +// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) +Buffer.prototype.copy = function copy (target, target_start, start, end) { + if (!start) start = 0 + if (!end && end !== 0) end = this.length + if (target_start >= target.length) target_start = target.length + if (!target_start) target_start = 0 + if (end > 0 && end < start) end = start + + // Copy 0 bytes; we're done + if (end === start) return 0 + if (target.length === 0 || this.length === 0) return 0 + + // Fatal error conditions + if (target_start < 0) { + throw new RangeError('targetStart out of bounds') + } + if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') + if (end < 0) throw new RangeError('sourceEnd out of bounds') + + // Are we oob? + if (end > this.length) end = this.length + if (target.length - target_start < end - start) { + end = target.length - target_start + start + } + + var len = end - start + + if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) { + for (var i = 0; i < len; i++) { + target[i + target_start] = this[i + start] + } + } else { + target._set(this.subarray(start, start + len), target_start) + } + + return len +} + +// fill(value, start=0, end=buffer.length) +Buffer.prototype.fill = function fill (value, start, end) { + if (!value) value = 0 + if (!start) start = 0 + if (!end) end = this.length + + if (end < start) throw new RangeError('end < start') + + // Fill 0 bytes; we're done + if (end === start) return + if (this.length === 0) return + + if (start < 0 || start >= this.length) throw new RangeError('start out of bounds') + if (end < 0 || end > this.length) throw new RangeError('end out of bounds') + + var i + if (typeof value === 'number') { + for (i = start; i < end; i++) { + this[i] = value + } + } else { + var bytes = utf8ToBytes(value.toString()) + var len = bytes.length + for (i = start; i < end; i++) { + this[i] = bytes[i % len] + } + } + + return this +} + +/** + * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance. + * Added in Node 0.12. Only available in browsers that support ArrayBuffer. + */ +Buffer.prototype.toArrayBuffer = function toArrayBuffer () { + if (typeof Uint8Array !== 'undefined') { + if (Buffer.TYPED_ARRAY_SUPPORT) { + return (new Buffer(this)).buffer + } else { + var buf = new Uint8Array(this.length) + for (var i = 0, len = buf.length; i < len; i += 1) { + buf[i] = this[i] + } + return buf.buffer + } + } else { + throw new TypeError('Buffer.toArrayBuffer not supported in this browser') + } +} + +// HELPER FUNCTIONS +// ================ + +var BP = Buffer.prototype + +/** + * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods + */ +Buffer._augment = function _augment (arr) { + arr.constructor = Buffer + arr._isBuffer = true + + // save reference to original Uint8Array set method before overwriting + arr._set = arr.set + + // deprecated, will be removed in node 0.13+ + arr.get = BP.get + arr.set = BP.set + + arr.write = BP.write + arr.toString = BP.toString + arr.toLocaleString = BP.toString + arr.toJSON = BP.toJSON + arr.equals = BP.equals + arr.compare = BP.compare + arr.indexOf = BP.indexOf + arr.copy = BP.copy + arr.slice = BP.slice + arr.readUIntLE = BP.readUIntLE + arr.readUIntBE = BP.readUIntBE + arr.readUInt8 = BP.readUInt8 + arr.readUInt16LE = BP.readUInt16LE + arr.readUInt16BE = BP.readUInt16BE + arr.readUInt32LE = BP.readUInt32LE + arr.readUInt32BE = BP.readUInt32BE + arr.readIntLE = BP.readIntLE + arr.readIntBE = BP.readIntBE + arr.readInt8 = BP.readInt8 + arr.readInt16LE = BP.readInt16LE + arr.readInt16BE = BP.readInt16BE + arr.readInt32LE = BP.readInt32LE + arr.readInt32BE = BP.readInt32BE + arr.readFloatLE = BP.readFloatLE + arr.readFloatBE = BP.readFloatBE + arr.readDoubleLE = BP.readDoubleLE + arr.readDoubleBE = BP.readDoubleBE + arr.writeUInt8 = BP.writeUInt8 + arr.writeUIntLE = BP.writeUIntLE + arr.writeUIntBE = BP.writeUIntBE + arr.writeUInt16LE = BP.writeUInt16LE + arr.writeUInt16BE = BP.writeUInt16BE + arr.writeUInt32LE = BP.writeUInt32LE + arr.writeUInt32BE = BP.writeUInt32BE + arr.writeIntLE = BP.writeIntLE + arr.writeIntBE = BP.writeIntBE + arr.writeInt8 = BP.writeInt8 + arr.writeInt16LE = BP.writeInt16LE + arr.writeInt16BE = BP.writeInt16BE + arr.writeInt32LE = BP.writeInt32LE + arr.writeInt32BE = BP.writeInt32BE + arr.writeFloatLE = BP.writeFloatLE + arr.writeFloatBE = BP.writeFloatBE + arr.writeDoubleLE = BP.writeDoubleLE + arr.writeDoubleBE = BP.writeDoubleBE + arr.fill = BP.fill + arr.inspect = BP.inspect + arr.toArrayBuffer = BP.toArrayBuffer + + return arr +} + +var INVALID_BASE64_RE = /[^+\/0-9A-z\-]/g + +function base64clean (str) { + // Node strips out invalid characters like \n and \t from the string, base64-js does not + str = stringtrim(str).replace(INVALID_BASE64_RE, '') + // Node converts strings with length < 2 to '' + if (str.length < 2) return '' + // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not + while (str.length % 4 !== 0) { + str = str + '=' + } + return str +} + +function stringtrim (str) { + if (str.trim) return str.trim() + return str.replace(/^\s+|\s+$/g, '') +} + +function isArrayish (subject) { + return isArray(subject) || Buffer.isBuffer(subject) || + subject && typeof subject === 'object' && + typeof subject.length === 'number' +} + +function toHex (n) { + if (n < 16) return '0' + n.toString(16) + return n.toString(16) +} + +function utf8ToBytes (string, units) { + units = units || Infinity + var codePoint + var length = string.length + var leadSurrogate = null + var bytes = [] + var i = 0 + + for (; i < length; i++) { + codePoint = string.charCodeAt(i) + + // is surrogate component + if (codePoint > 0xD7FF && codePoint < 0xE000) { + // last char was a lead + if (leadSurrogate) { + // 2 leads in a row + if (codePoint < 0xDC00) { + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + leadSurrogate = codePoint + continue + } else { + // valid surrogate pair + codePoint = leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00 | 0x10000 + leadSurrogate = null + } + } else { + // no lead yet + + if (codePoint > 0xDBFF) { + // unexpected trail + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } else if (i + 1 === length) { + // unpaired lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + continue + } else { + // valid lead + leadSurrogate = codePoint + continue + } + } + } else if (leadSurrogate) { + // valid bmp char, but last char was a lead + if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) + leadSurrogate = null + } + + // encode utf8 + if (codePoint < 0x80) { + if ((units -= 1) < 0) break + bytes.push(codePoint) + } else if (codePoint < 0x800) { + if ((units -= 2) < 0) break + bytes.push( + codePoint >> 0x6 | 0xC0, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x10000) { + if ((units -= 3) < 0) break + bytes.push( + codePoint >> 0xC | 0xE0, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else if (codePoint < 0x200000) { + if ((units -= 4) < 0) break + bytes.push( + codePoint >> 0x12 | 0xF0, + codePoint >> 0xC & 0x3F | 0x80, + codePoint >> 0x6 & 0x3F | 0x80, + codePoint & 0x3F | 0x80 + ) + } else { + throw new Error('Invalid code point') + } + } + + return bytes +} + +function asciiToBytes (str) { + var byteArray = [] + for (var i = 0; i < str.length; i++) { + // Node's code seems to be doing this and not & 0x7F.. + byteArray.push(str.charCodeAt(i) & 0xFF) + } + return byteArray +} + +function utf16leToBytes (str, units) { + var c, hi, lo + var byteArray = [] + for (var i = 0; i < str.length; i++) { + if ((units -= 2) < 0) break + + c = str.charCodeAt(i) + hi = c >> 8 + lo = c % 256 + byteArray.push(lo) + byteArray.push(hi) + } + + return byteArray +} + +function base64ToBytes (str) { + return base64.toByteArray(base64clean(str)) +} + +function blitBuffer (src, dst, offset, length) { + for (var i = 0; i < length; i++) { + if ((i + offset >= dst.length) || (i >= src.length)) break + dst[i + offset] = src[i] + } + return i +} + +function decodeUtf8Char (str) { + try { + return decodeURIComponent(str) + } catch (err) { + return String.fromCharCode(0xFFFD) // UTF 8 invalid char + } +} + +},{"base64-js":4,"ieee754":5,"is-array":6}],4:[function(_dereq_,module,exports){ +var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; + +;(function (exports) { + 'use strict'; + + var Arr = (typeof Uint8Array !== 'undefined') + ? Uint8Array + : Array + + var PLUS = '+'.charCodeAt(0) + var SLASH = '/'.charCodeAt(0) + var NUMBER = '0'.charCodeAt(0) + var LOWER = 'a'.charCodeAt(0) + var UPPER = 'A'.charCodeAt(0) + var PLUS_URL_SAFE = '-'.charCodeAt(0) + var SLASH_URL_SAFE = '_'.charCodeAt(0) + + function decode (elt) { + var code = elt.charCodeAt(0) + if (code === PLUS || + code === PLUS_URL_SAFE) + return 62 // '+' + if (code === SLASH || + code === SLASH_URL_SAFE) + return 63 // '/' + if (code < NUMBER) + return -1 //no match + if (code < NUMBER + 10) + return code - NUMBER + 26 + 26 + if (code < UPPER + 26) + return code - UPPER + if (code < LOWER + 26) + return code - LOWER + 26 + } + + function b64ToByteArray (b64) { + var i, j, l, tmp, placeHolders, arr + + if (b64.length % 4 > 0) { + throw new Error('Invalid string. Length must be a multiple of 4') + } + + // the number of equal signs (place holders) + // if there are two placeholders, than the two characters before it + // represent one byte + // if there is only one, then the three characters before it represent 2 bytes + // this is just a cheap hack to not do indexOf twice + var len = b64.length + placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0 + + // base64 is 4/3 + up to two characters of the original data + arr = new Arr(b64.length * 3 / 4 - placeHolders) + + // if there are placeholders, only get up to the last complete 4 chars + l = placeHolders > 0 ? b64.length - 4 : b64.length + + var L = 0 + + function push (v) { + arr[L++] = v + } + + for (i = 0, j = 0; i < l; i += 4, j += 3) { + tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3)) + push((tmp & 0xFF0000) >> 16) + push((tmp & 0xFF00) >> 8) + push(tmp & 0xFF) + } + + if (placeHolders === 2) { + tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4) + push(tmp & 0xFF) + } else if (placeHolders === 1) { + tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2) + push((tmp >> 8) & 0xFF) + push(tmp & 0xFF) + } + + return arr + } + + function uint8ToBase64 (uint8) { + var i, + extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes + output = "", + temp, length + + function encode (num) { + return lookup.charAt(num) + } + + function tripletToBase64 (num) { + return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F) + } + + // go through the array every three bytes, we'll deal with trailing stuff later + for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) { + temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) + output += tripletToBase64(temp) + } + + // pad the end with zeros, but make sure to not forget the extra bytes + switch (extraBytes) { + case 1: + temp = uint8[uint8.length - 1] + output += encode(temp >> 2) + output += encode((temp << 4) & 0x3F) + output += '==' + break + case 2: + temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]) + output += encode(temp >> 10) + output += encode((temp >> 4) & 0x3F) + output += encode((temp << 2) & 0x3F) + output += '=' + break + } + + return output + } + + exports.toByteArray = b64ToByteArray + exports.fromByteArray = uint8ToBase64 +}(typeof exports === 'undefined' ? (this.base64js = {}) : exports)) + +},{}],5:[function(_dereq_,module,exports){ +exports.read = function(buffer, offset, isLE, mLen, nBytes) { + var e, m, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + nBits = -7, + i = isLE ? (nBytes - 1) : 0, + d = isLE ? -1 : 1, + s = buffer[offset + i]; + + i += d; + + e = s & ((1 << (-nBits)) - 1); + s >>= (-nBits); + nBits += eLen; + for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8); + + m = e & ((1 << (-nBits)) - 1); + e >>= (-nBits); + nBits += mLen; + for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8); + + if (e === 0) { + e = 1 - eBias; + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity); + } else { + m = m + Math.pow(2, mLen); + e = e - eBias; + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen); +}; + +exports.write = function(buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c, + eLen = nBytes * 8 - mLen - 1, + eMax = (1 << eLen) - 1, + eBias = eMax >> 1, + rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0), + i = isLE ? 0 : (nBytes - 1), + d = isLE ? 1 : -1, + s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0; + + value = Math.abs(value); + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0; + e = eMax; + } else { + e = Math.floor(Math.log(value) / Math.LN2); + if (value * (c = Math.pow(2, -e)) < 1) { + e--; + c *= 2; + } + if (e + eBias >= 1) { + value += rt / c; + } else { + value += rt * Math.pow(2, 1 - eBias); + } + if (value * c >= 2) { + e++; + c /= 2; + } + + if (e + eBias >= eMax) { + m = 0; + e = eMax; + } else if (e + eBias >= 1) { + m = (value * c - 1) * Math.pow(2, mLen); + e = e + eBias; + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen); + e = 0; + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8); + + e = (e << mLen) | m; + eLen += mLen; + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8); + + buffer[offset + i - d] |= s * 128; +}; + +},{}],6:[function(_dereq_,module,exports){ + +/** + * isArray + */ + +var isArray = Array.isArray; + +/** + * toString + */ + +var str = Object.prototype.toString; + +/** + * Whether or not the given `val` + * is an array. + * + * example: + * + * isArray([]); + * // > true + * isArray(arguments); + * // > false + * isArray(''); + * // > false + * + * @param {mixed} val + * @return {bool} + */ + +module.exports = isArray || function (val) { + return !! val && '[object Array]' == str.call(val); +}; + +},{}],7:[function(_dereq_,module,exports){ +(function (process){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// resolves . and .. elements in a path array with directory names there +// must be no slashes, empty elements, or device names (c:\) in the array +// (so also no leading and trailing slashes - it does not distinguish +// relative and absolute paths) +function normalizeArray(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up--; up) { + parts.unshift('..'); + } + } + + return parts; +} + +// Split a filename into [root, dir, basename, ext], unix version +// 'root' is just a slash, or nothing. +var splitPathRe = + /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; +var splitPath = function(filename) { + return splitPathRe.exec(filename).slice(1); +}; + +// path.resolve([from ...], to) +// posix version +exports.resolve = function() { + var resolvedPath = '', + resolvedAbsolute = false; + + for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { + var path = (i >= 0) ? arguments[i] : process.cwd(); + + // Skip empty and invalid entries + if (typeof path !== 'string') { + throw new TypeError('Arguments to path.resolve must be strings'); + } else if (!path) { + continue; + } + + resolvedPath = path + '/' + resolvedPath; + resolvedAbsolute = path.charAt(0) === '/'; + } + + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when process.cwd() fails) + + // Normalize the path + resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) { + return !!p; + }), !resolvedAbsolute).join('/'); + + return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; +}; + +// path.normalize(path) +// posix version +exports.normalize = function(path) { + var isAbsolute = exports.isAbsolute(path), + trailingSlash = substr(path, -1) === '/'; + + // Normalize the path + path = normalizeArray(filter(path.split('/'), function(p) { + return !!p; + }), !isAbsolute).join('/'); + + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + + return (isAbsolute ? '/' : '') + path; +}; + +// posix version +exports.isAbsolute = function(path) { + return path.charAt(0) === '/'; +}; + +// posix version +exports.join = function() { + var paths = Array.prototype.slice.call(arguments, 0); + return exports.normalize(filter(paths, function(p, index) { + if (typeof p !== 'string') { + throw new TypeError('Arguments to path.join must be strings'); + } + return p; + }).join('/')); +}; + + +// path.relative(from, to) +// posix version +exports.relative = function(from, to) { + from = exports.resolve(from).substr(1); + to = exports.resolve(to).substr(1); + + function trim(arr) { + var start = 0; + for (; start < arr.length; start++) { + if (arr[start] !== '') break; + } + + var end = arr.length - 1; + for (; end >= 0; end--) { + if (arr[end] !== '') break; + } + + if (start > end) return []; + return arr.slice(start, end - start + 1); + } + + var fromParts = trim(from.split('/')); + var toParts = trim(to.split('/')); + + var length = Math.min(fromParts.length, toParts.length); + var samePartsLength = length; + for (var i = 0; i < length; i++) { + if (fromParts[i] !== toParts[i]) { + samePartsLength = i; + break; + } + } + + var outputParts = []; + for (var i = samePartsLength; i < fromParts.length; i++) { + outputParts.push('..'); + } + + outputParts = outputParts.concat(toParts.slice(samePartsLength)); + + return outputParts.join('/'); +}; + +exports.sep = '/'; +exports.delimiter = ':'; + +exports.dirname = function(path) { + var result = splitPath(path), + root = result[0], + dir = result[1]; + + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + + return root + dir; +}; + + +exports.basename = function(path, ext) { + var f = splitPath(path)[2]; + // TODO: make this comparison case-insensitive on windows? + if (ext && f.substr(-1 * ext.length) === ext) { + f = f.substr(0, f.length - ext.length); + } + return f; +}; + + +exports.extname = function(path) { + return splitPath(path)[3]; +}; + +function filter (xs, f) { + if (xs.filter) return xs.filter(f); + var res = []; + for (var i = 0; i < xs.length; i++) { + if (f(xs[i], i, xs)) res.push(xs[i]); + } + return res; +} + +// String.prototype.substr - negative index don't work in IE8 +var substr = 'ab'.substr(-1) === 'b' + ? function (str, start, len) { return str.substr(start, len) } + : function (str, start, len) { + if (start < 0) start = str.length + start; + return str.substr(start, len); + } +; + +}).call(this,_dereq_('_process')) +},{"_process":8}],8:[function(_dereq_,module,exports){ +// shim for using process in browser + +var process = module.exports = {}; +var queue = []; +var draining = false; + +function drainQueue() { + if (draining) { + return; + } + draining = true; + var currentQueue; + var len = queue.length; + while(len) { + currentQueue = queue; + queue = []; + var i = -1; + while (++i < len) { + currentQueue[i](); + } + len = queue.length; + } + draining = false; +} +process.nextTick = function (fun) { + queue.push(fun); + if (!draining) { + setTimeout(drainQueue, 0); + } +}; + +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; + +function noop() {} + +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; + +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; + +// TODO(shtylman) +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; + +},{}],9:[function(_dereq_,module,exports){ +/* + Copyright (C) 2013 Ariya Hidayat + Copyright (C) 2013 Thaddee Tyl + Copyright (C) 2012 Ariya Hidayat + Copyright (C) 2012 Mathias Bynens + Copyright (C) 2012 Joost-Wim Boekesteijn + Copyright (C) 2012 Kris Kowal + Copyright (C) 2012 Yusuke Suzuki + Copyright (C) 2012 Arpad Borsos + Copyright (C) 2011 Ariya Hidayat + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +(function (root, factory) { + 'use strict'; + + // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, + // Rhino, and plain browser loading. + + /* istanbul ignore next */ + if (typeof define === 'function' && define.amd) { + define(['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { + factory((root.esprima = {})); + } +}(this, function (exports) { + 'use strict'; + + var Token, + TokenName, + FnExprTokens, + Syntax, + PropertyKind, + Messages, + Regex, + SyntaxTreeDelegate, + XHTMLEntities, + ClassPropertyType, + source, + strict, + index, + lineNumber, + lineStart, + length, + delegate, + lookahead, + state, + extra; + + Token = { + BooleanLiteral: 1, + EOF: 2, + Identifier: 3, + Keyword: 4, + NullLiteral: 5, + NumericLiteral: 6, + Punctuator: 7, + StringLiteral: 8, + RegularExpression: 9, + Template: 10, + JSXIdentifier: 11, + JSXText: 12 + }; + + TokenName = {}; + TokenName[Token.BooleanLiteral] = 'Boolean'; + TokenName[Token.EOF] = ''; + TokenName[Token.Identifier] = 'Identifier'; + TokenName[Token.Keyword] = 'Keyword'; + TokenName[Token.NullLiteral] = 'Null'; + TokenName[Token.NumericLiteral] = 'Numeric'; + TokenName[Token.Punctuator] = 'Punctuator'; + TokenName[Token.StringLiteral] = 'String'; + TokenName[Token.JSXIdentifier] = 'JSXIdentifier'; + TokenName[Token.JSXText] = 'JSXText'; + TokenName[Token.RegularExpression] = 'RegularExpression'; + + // A function following one of those tokens is an expression. + FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new', + 'return', 'case', 'delete', 'throw', 'void', + // assignment operators + '=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=', + '&=', '|=', '^=', ',', + // binary/unary operators + '+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&', + '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=', + '<=', '<', '>', '!=', '!==']; + + Syntax = { + AnyTypeAnnotation: 'AnyTypeAnnotation', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrayTypeAnnotation: 'ArrayTypeAnnotation', + ArrowFunctionExpression: 'ArrowFunctionExpression', + AssignmentExpression: 'AssignmentExpression', + BinaryExpression: 'BinaryExpression', + BlockStatement: 'BlockStatement', + BooleanTypeAnnotation: 'BooleanTypeAnnotation', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ClassImplements: 'ClassImplements', + ClassProperty: 'ClassProperty', + ComprehensionBlock: 'ComprehensionBlock', + ComprehensionExpression: 'ComprehensionExpression', + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DebuggerStatement: 'DebuggerStatement', + DeclareClass: 'DeclareClass', + DeclareFunction: 'DeclareFunction', + DeclareModule: 'DeclareModule', + DeclareVariable: 'DeclareVariable', + DoWhileStatement: 'DoWhileStatement', + EmptyStatement: 'EmptyStatement', + ExportDeclaration: 'ExportDeclaration', + ExportBatchSpecifier: 'ExportBatchSpecifier', + ExportSpecifier: 'ExportSpecifier', + ExpressionStatement: 'ExpressionStatement', + ForInStatement: 'ForInStatement', + ForOfStatement: 'ForOfStatement', + ForStatement: 'ForStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + FunctionTypeAnnotation: 'FunctionTypeAnnotation', + FunctionTypeParam: 'FunctionTypeParam', + GenericTypeAnnotation: 'GenericTypeAnnotation', + Identifier: 'Identifier', + IfStatement: 'IfStatement', + ImportDeclaration: 'ImportDeclaration', + ImportDefaultSpecifier: 'ImportDefaultSpecifier', + ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', + ImportSpecifier: 'ImportSpecifier', + InterfaceDeclaration: 'InterfaceDeclaration', + InterfaceExtends: 'InterfaceExtends', + IntersectionTypeAnnotation: 'IntersectionTypeAnnotation', + LabeledStatement: 'LabeledStatement', + Literal: 'Literal', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MethodDefinition: 'MethodDefinition', + ModuleSpecifier: 'ModuleSpecifier', + NewExpression: 'NewExpression', + NullableTypeAnnotation: 'NullableTypeAnnotation', + NumberTypeAnnotation: 'NumberTypeAnnotation', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + ObjectTypeAnnotation: 'ObjectTypeAnnotation', + ObjectTypeCallProperty: 'ObjectTypeCallProperty', + ObjectTypeIndexer: 'ObjectTypeIndexer', + ObjectTypeProperty: 'ObjectTypeProperty', + Program: 'Program', + Property: 'Property', + QualifiedTypeIdentifier: 'QualifiedTypeIdentifier', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SpreadElement: 'SpreadElement', + SpreadProperty: 'SpreadProperty', + StringLiteralTypeAnnotation: 'StringLiteralTypeAnnotation', + StringTypeAnnotation: 'StringTypeAnnotation', + SwitchCase: 'SwitchCase', + SwitchStatement: 'SwitchStatement', + TaggedTemplateExpression: 'TaggedTemplateExpression', + TemplateElement: 'TemplateElement', + TemplateLiteral: 'TemplateLiteral', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TupleTypeAnnotation: 'TupleTypeAnnotation', + TryStatement: 'TryStatement', + TypeAlias: 'TypeAlias', + TypeAnnotation: 'TypeAnnotation', + TypeCastExpression: 'TypeCastExpression', + TypeofTypeAnnotation: 'TypeofTypeAnnotation', + TypeParameterDeclaration: 'TypeParameterDeclaration', + TypeParameterInstantiation: 'TypeParameterInstantiation', + UnaryExpression: 'UnaryExpression', + UnionTypeAnnotation: 'UnionTypeAnnotation', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + VoidTypeAnnotation: 'VoidTypeAnnotation', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + JSXIdentifier: 'JSXIdentifier', + JSXNamespacedName: 'JSXNamespacedName', + JSXMemberExpression: 'JSXMemberExpression', + JSXEmptyExpression: 'JSXEmptyExpression', + JSXExpressionContainer: 'JSXExpressionContainer', + JSXElement: 'JSXElement', + JSXClosingElement: 'JSXClosingElement', + JSXOpeningElement: 'JSXOpeningElement', + JSXAttribute: 'JSXAttribute', + JSXSpreadAttribute: 'JSXSpreadAttribute', + JSXText: 'JSXText', + YieldExpression: 'YieldExpression', + AwaitExpression: 'AwaitExpression' + }; + + PropertyKind = { + Data: 1, + Get: 2, + Set: 4 + }; + + ClassPropertyType = { + 'static': 'static', + prototype: 'prototype' + }; + + // Error messages should be identical to V8. + Messages = { + UnexpectedToken: 'Unexpected token %0', + UnexpectedNumber: 'Unexpected number', + UnexpectedString: 'Unexpected string', + UnexpectedIdentifier: 'Unexpected identifier', + UnexpectedReserved: 'Unexpected reserved word', + UnexpectedTemplate: 'Unexpected quasi %0', + UnexpectedEOS: 'Unexpected end of input', + NewlineAfterThrow: 'Illegal newline after throw', + InvalidRegExp: 'Invalid regular expression', + UnterminatedRegExp: 'Invalid regular expression: missing /', + InvalidLHSInAssignment: 'Invalid left-hand side in assignment', + InvalidLHSInFormalsList: 'Invalid left-hand side in formals list', + InvalidLHSInForIn: 'Invalid left-hand side in for-in', + MultipleDefaultsInSwitch: 'More than one default clause in switch statement', + NoCatchOrFinally: 'Missing catch or finally after try', + UnknownLabel: 'Undefined label \'%0\'', + Redeclaration: '%0 \'%1\' has already been declared', + IllegalContinue: 'Illegal continue statement', + IllegalBreak: 'Illegal break statement', + IllegalDuplicateClassProperty: 'Illegal duplicate property in class definition', + IllegalClassConstructorProperty: 'Illegal constructor property in class definition', + IllegalReturn: 'Illegal return statement', + IllegalSpread: 'Illegal spread element', + StrictModeWith: 'Strict mode code may not include a with statement', + StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode', + StrictVarName: 'Variable name may not be eval or arguments in strict mode', + StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode', + StrictParamDupe: 'Strict mode function may not have duplicate parameter names', + ParameterAfterRestParameter: 'Rest parameter must be final parameter of an argument list', + DefaultRestParameter: 'Rest parameter can not have a default value', + ElementAfterSpreadElement: 'Spread must be the final element of an element list', + PropertyAfterSpreadProperty: 'A rest property must be the final property of an object literal', + ObjectPatternAsRestParameter: 'Invalid rest parameter', + ObjectPatternAsSpread: 'Invalid spread argument', + StrictFunctionName: 'Function name may not be eval or arguments in strict mode', + StrictOctalLiteral: 'Octal literals are not allowed in strict mode.', + StrictDelete: 'Delete of an unqualified identifier in strict mode.', + StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode', + AccessorDataProperty: 'Object literal may not have data and accessor property with the same name', + AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name', + StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode', + StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode', + StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode', + StrictReservedWord: 'Use of future reserved word in strict mode', + MissingFromClause: 'Missing from clause', + NoAsAfterImportNamespace: 'Missing as after import *', + InvalidModuleSpecifier: 'Invalid module specifier', + IllegalImportDeclaration: 'Illegal import declaration', + IllegalExportDeclaration: 'Illegal export declaration', + NoUninitializedConst: 'Const must be initialized', + ComprehensionRequiresBlock: 'Comprehension must have at least one block', + ComprehensionError: 'Comprehension Error', + EachNotAllowed: 'Each is not supported', + InvalidJSXAttributeValue: 'JSX value should be either an expression or a quoted JSX text', + ExpectedJSXClosingTag: 'Expected corresponding JSX closing tag for %0', + AdjacentJSXElements: 'Adjacent JSX elements must be wrapped in an enclosing tag', + ConfusedAboutFunctionType: 'Unexpected token =>. It looks like ' + + 'you are trying to write a function type, but you ended up ' + + 'writing a grouped type followed by an =>, which is a syntax ' + + 'error. Remember, function type parameters are named so function ' + + 'types look like (name1: type1, name2: type2) => returnType. You ' + + 'probably wrote (type1) => returnType' + }; + + // See also tools/generate-unicode-regex.py. + Regex = { + NonAsciiIdentifierStart: new 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+ NonAsciiIdentifierPart: new 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\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'), + LeadingZeros: new RegExp('^0+(?!$)') + }; + + // Ensure the condition is true, otherwise throw an error. + // This is only to have a better contract semantic, i.e. another safety net + // to catch a logic error. The condition shall be fulfilled in normal case. + // Do NOT use this to enforce a certain condition on any user input. + + function assert(condition, message) { + /* istanbul ignore if */ + if (!condition) { + throw new Error('ASSERT: ' + message); + } + } + + function StringMap() { + this.$data = {}; + } + + StringMap.prototype.get = function (key) { + key = '$' + key; + return this.$data[key]; + }; + + StringMap.prototype.set = function (key, value) { + key = '$' + key; + this.$data[key] = value; + return this; + }; + + StringMap.prototype.has = function (key) { + key = '$' + key; + return Object.prototype.hasOwnProperty.call(this.$data, key); + }; + + StringMap.prototype["delete"] = function (key) { + key = '$' + key; + return delete this.$data[key]; + }; + + function isDecimalDigit(ch) { + return (ch >= 48 && ch <= 57); // 0..9 + } + + function isHexDigit(ch) { + return '0123456789abcdefABCDEF'.indexOf(ch) >= 0; + } + + function isOctalDigit(ch) { + return '01234567'.indexOf(ch) >= 0; + } + + + // 7.2 White Space + + function isWhiteSpace(ch) { + return (ch === 32) || // space + (ch === 9) || // tab + (ch === 0xB) || + (ch === 0xC) || + (ch === 0xA0) || + (ch >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(String.fromCharCode(ch)) > 0); + } + + // 7.3 Line Terminators + + function isLineTerminator(ch) { + return (ch === 10) || (ch === 13) || (ch === 0x2028) || (ch === 0x2029); + } + + // 7.6 Identifier Names and Identifiers + + function isIdentifierStart(ch) { + return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore) + (ch >= 65 && ch <= 90) || // A..Z + (ch >= 97 && ch <= 122) || // a..z + (ch === 92) || // \ (backslash) + ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch))); + } + + function isIdentifierPart(ch) { + return (ch === 36) || (ch === 95) || // $ (dollar) and _ (underscore) + (ch >= 65 && ch <= 90) || // A..Z + (ch >= 97 && ch <= 122) || // a..z + (ch >= 48 && ch <= 57) || // 0..9 + (ch === 92) || // \ (backslash) + ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch))); + } + + // 7.6.1.2 Future Reserved Words + + function isFutureReservedWord(id) { + switch (id) { + case 'class': + case 'enum': + case 'export': + case 'extends': + case 'import': + case 'super': + return true; + default: + return false; + } + } + + function isStrictModeReservedWord(id) { + switch (id) { + case 'implements': + case 'interface': + case 'package': + case 'private': + case 'protected': + case 'public': + case 'static': + case 'yield': + case 'let': + return true; + default: + return false; + } + } + + function isRestrictedWord(id) { + return id === 'eval' || id === 'arguments'; + } + + // 7.6.1.1 Keywords + + function isKeyword(id) { + if (strict && isStrictModeReservedWord(id)) { + return true; + } + + // 'const' is specialized as Keyword in V8. + // 'yield' is only treated as a keyword in strict mode. + // 'let' is for compatiblity with SpiderMonkey and ES.next. + // Some others are from future reserved words. + + switch (id.length) { + case 2: + return (id === 'if') || (id === 'in') || (id === 'do'); + case 3: + return (id === 'var') || (id === 'for') || (id === 'new') || + (id === 'try') || (id === 'let'); + case 4: + return (id === 'this') || (id === 'else') || (id === 'case') || + (id === 'void') || (id === 'with') || (id === 'enum'); + case 5: + return (id === 'while') || (id === 'break') || (id === 'catch') || + (id === 'throw') || (id === 'const') || + (id === 'class') || (id === 'super'); + case 6: + return (id === 'return') || (id === 'typeof') || (id === 'delete') || + (id === 'switch') || (id === 'export') || (id === 'import'); + case 7: + return (id === 'default') || (id === 'finally') || (id === 'extends'); + case 8: + return (id === 'function') || (id === 'continue') || (id === 'debugger'); + case 10: + return (id === 'instanceof'); + default: + return false; + } + } + + // 7.4 Comments + + function addComment(type, value, start, end, loc) { + var comment; + assert(typeof start === 'number', 'Comment must have valid position'); + + // Because the way the actual token is scanned, often the comments + // (if any) are skipped twice during the lexical analysis. + // Thus, we need to skip adding a comment if the comment array already + // handled it. + if (state.lastCommentStart >= start) { + return; + } + state.lastCommentStart = start; + + comment = { + type: type, + value: value + }; + if (extra.range) { + comment.range = [start, end]; + } + if (extra.loc) { + comment.loc = loc; + } + extra.comments.push(comment); + if (extra.attachComment) { + extra.leadingComments.push(comment); + extra.trailingComments.push(comment); + } + } + + function skipSingleLineComment() { + var start, loc, ch, comment; + + start = index - 2; + loc = { + start: { + line: lineNumber, + column: index - lineStart - 2 + } + }; + + while (index < length) { + ch = source.charCodeAt(index); + ++index; + if (isLineTerminator(ch)) { + if (extra.comments) { + comment = source.slice(start + 2, index - 1); + loc.end = { + line: lineNumber, + column: index - lineStart - 1 + }; + addComment('Line', comment, start, index - 1, loc); + } + if (ch === 13 && source.charCodeAt(index) === 10) { + ++index; + } + ++lineNumber; + lineStart = index; + return; + } + } + + if (extra.comments) { + comment = source.slice(start + 2, index); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + addComment('Line', comment, start, index, loc); + } + } + + function skipMultiLineComment() { + var start, loc, ch, comment; + + if (extra.comments) { + start = index - 2; + loc = { + start: { + line: lineNumber, + column: index - lineStart - 2 + } + }; + } + + while (index < length) { + ch = source.charCodeAt(index); + if (isLineTerminator(ch)) { + if (ch === 13 && source.charCodeAt(index + 1) === 10) { + ++index; + } + ++lineNumber; + ++index; + lineStart = index; + if (index >= length) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } else if (ch === 42) { + // Block comment ends with '*/' (char #42, char #47). + if (source.charCodeAt(index + 1) === 47) { + ++index; + ++index; + if (extra.comments) { + comment = source.slice(start + 2, index - 2); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + addComment('Block', comment, start, index, loc); + } + return; + } + ++index; + } else { + ++index; + } + } + + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + function skipComment() { + var ch; + + while (index < length) { + ch = source.charCodeAt(index); + + if (isWhiteSpace(ch)) { + ++index; + } else if (isLineTerminator(ch)) { + ++index; + if (ch === 13 && source.charCodeAt(index) === 10) { + ++index; + } + ++lineNumber; + lineStart = index; + } else if (ch === 47) { // 47 is '/' + ch = source.charCodeAt(index + 1); + if (ch === 47) { + ++index; + ++index; + skipSingleLineComment(); + } else if (ch === 42) { // 42 is '*' + ++index; + ++index; + skipMultiLineComment(); + } else { + break; + } + } else { + break; + } + } + } + + function scanHexEscape(prefix) { + var i, len, ch, code = 0; + + len = (prefix === 'u') ? 4 : 2; + for (i = 0; i < len; ++i) { + if (index < length && isHexDigit(source[index])) { + ch = source[index++]; + code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase()); + } else { + return ''; + } + } + return String.fromCharCode(code); + } + + function scanUnicodeCodePointEscape() { + var ch, code, cu1, cu2; + + ch = source[index]; + code = 0; + + // At least, one hex digit is required. + if (ch === '}') { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + while (index < length) { + ch = source[index++]; + if (!isHexDigit(ch)) { + break; + } + code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase()); + } + + if (code > 0x10FFFF || ch !== '}') { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + // UTF-16 Encoding + if (code <= 0xFFFF) { + return String.fromCharCode(code); + } + cu1 = ((code - 0x10000) >> 10) + 0xD800; + cu2 = ((code - 0x10000) & 1023) + 0xDC00; + return String.fromCharCode(cu1, cu2); + } + + function getEscapedIdentifier() { + var ch, id; + + ch = source.charCodeAt(index++); + id = String.fromCharCode(ch); + + // '\u' (char #92, char #117) denotes an escaped character. + if (ch === 92) { + if (source.charCodeAt(index) !== 117) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + ++index; + ch = scanHexEscape('u'); + if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + id = ch; + } + + while (index < length) { + ch = source.charCodeAt(index); + if (!isIdentifierPart(ch)) { + break; + } + ++index; + id += String.fromCharCode(ch); + + // '\u' (char #92, char #117) denotes an escaped character. + if (ch === 92) { + id = id.substr(0, id.length - 1); + if (source.charCodeAt(index) !== 117) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + ++index; + ch = scanHexEscape('u'); + if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + id += ch; + } + } + + return id; + } + + function getIdentifier() { + var start, ch; + + start = index++; + while (index < length) { + ch = source.charCodeAt(index); + if (ch === 92) { + // Blackslash (char #92) marks Unicode escape sequence. + index = start; + return getEscapedIdentifier(); + } + if (isIdentifierPart(ch)) { + ++index; + } else { + break; + } + } + + return source.slice(start, index); + } + + function scanIdentifier() { + var start, id, type; + + start = index; + + // Backslash (char #92) starts an escaped character. + id = (source.charCodeAt(index) === 92) ? getEscapedIdentifier() : getIdentifier(); + + // There is no keyword or literal with only one character. + // Thus, it must be an identifier. + if (id.length === 1) { + type = Token.Identifier; + } else if (isKeyword(id)) { + type = Token.Keyword; + } else if (id === 'null') { + type = Token.NullLiteral; + } else if (id === 'true' || id === 'false') { + type = Token.BooleanLiteral; + } else { + type = Token.Identifier; + } + + return { + type: type, + value: id, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + + // 7.7 Punctuators + + function scanPunctuator() { + var start = index, + code = source.charCodeAt(index), + code2, + ch1 = source[index], + ch2, + ch3, + ch4; + + if (state.inJSXTag || state.inJSXChild) { + // Don't need to check for '{' and '}' as it's already handled + // correctly by default. + switch (code) { + case 60: // < + case 62: // > + ++index; + return { + type: Token.Punctuator, + value: String.fromCharCode(code), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + } + + switch (code) { + // Check for most common single-character punctuators. + case 40: // ( open bracket + case 41: // ) close bracket + case 59: // ; semicolon + case 44: // , comma + case 123: // { open curly brace + case 125: // } close curly brace + case 91: // [ + case 93: // ] + case 58: // : + case 63: // ? + case 126: // ~ + ++index; + if (extra.tokenize) { + if (code === 40) { + extra.openParenToken = extra.tokens.length; + } else if (code === 123) { + extra.openCurlyToken = extra.tokens.length; + } + } + return { + type: Token.Punctuator, + value: String.fromCharCode(code), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + + default: + code2 = source.charCodeAt(index + 1); + + // '=' (char #61) marks an assignment or comparison operator. + if (code2 === 61) { + switch (code) { + case 37: // % + case 38: // & + case 42: // *: + case 43: // + + case 45: // - + case 47: // / + case 60: // < + case 62: // > + case 94: // ^ + case 124: // | + index += 2; + return { + type: Token.Punctuator, + value: String.fromCharCode(code) + String.fromCharCode(code2), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + + case 33: // ! + case 61: // = + index += 2; + + // !== and === + if (source.charCodeAt(index) === 61) { + ++index; + } + return { + type: Token.Punctuator, + value: source.slice(start, index), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + default: + break; + } + } + break; + } + + // Peek more characters. + + ch2 = source[index + 1]; + ch3 = source[index + 2]; + ch4 = source[index + 3]; + + // 4-character punctuator: >>>= + + if (ch1 === '>' && ch2 === '>' && ch3 === '>') { + if (ch4 === '=') { + index += 4; + return { + type: Token.Punctuator, + value: '>>>=', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + } + + // 3-character punctuators: === !== >>> <<= >>= + + if (ch1 === '>' && ch2 === '>' && ch3 === '>' && !state.inType) { + index += 3; + return { + type: Token.Punctuator, + value: '>>>', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if (ch1 === '<' && ch2 === '<' && ch3 === '=') { + index += 3; + return { + type: Token.Punctuator, + value: '<<=', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if (ch1 === '>' && ch2 === '>' && ch3 === '=') { + index += 3; + return { + type: Token.Punctuator, + value: '>>=', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if (ch1 === '.' && ch2 === '.' && ch3 === '.') { + index += 3; + return { + type: Token.Punctuator, + value: '...', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + // Other 2-character punctuators: ++ -- << >> && || + + // Don't match these tokens if we're in a type, since they never can + // occur and can mess up types like Map> + if (ch1 === ch2 && ('+-<>&|'.indexOf(ch1) >= 0) && !state.inType) { + index += 2; + return { + type: Token.Punctuator, + value: ch1 + ch2, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if (ch1 === '=' && ch2 === '>') { + index += 2; + return { + type: Token.Punctuator, + value: '=>', + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) { + ++index; + return { + type: Token.Punctuator, + value: ch1, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + if (ch1 === '.') { + ++index; + return { + type: Token.Punctuator, + value: ch1, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + // 7.8.3 Numeric Literals + + function scanHexLiteral(start) { + var number = ''; + + while (index < length) { + if (!isHexDigit(source[index])) { + break; + } + number += source[index++]; + } + + if (number.length === 0) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + if (isIdentifierStart(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseInt('0x' + number, 16), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanBinaryLiteral(start) { + var ch, number; + + number = ''; + + while (index < length) { + ch = source[index]; + if (ch !== '0' && ch !== '1') { + break; + } + number += source[index++]; + } + + if (number.length === 0) { + // only 0b or 0B + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + if (index < length) { + ch = source.charCodeAt(index); + /* istanbul ignore else */ + if (isIdentifierStart(ch) || isDecimalDigit(ch)) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } + + return { + type: Token.NumericLiteral, + value: parseInt(number, 2), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanOctalLiteral(prefix, start) { + var number, octal; + + if (isOctalDigit(prefix)) { + octal = true; + number = '0' + source[index++]; + } else { + octal = false; + ++index; + number = ''; + } + + while (index < length) { + if (!isOctalDigit(source[index])) { + break; + } + number += source[index++]; + } + + if (!octal && number.length === 0) { + // only 0o or 0O + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseInt(number, 8), + octal: octal, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanNumericLiteral() { + var number, start, ch; + + ch = source[index]; + assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'), + 'Numeric literal must start with a decimal digit or a decimal point'); + + start = index; + number = ''; + if (ch !== '.') { + number = source[index++]; + ch = source[index]; + + // Hex number starts with '0x'. + // Octal number starts with '0'. + // Octal number in ES6 starts with '0o'. + // Binary number in ES6 starts with '0b'. + if (number === '0') { + if (ch === 'x' || ch === 'X') { + ++index; + return scanHexLiteral(start); + } + if (ch === 'b' || ch === 'B') { + ++index; + return scanBinaryLiteral(start); + } + if (ch === 'o' || ch === 'O' || isOctalDigit(ch)) { + return scanOctalLiteral(ch, start); + } + // decimal number starts with '0' such as '09' is illegal. + if (ch && isDecimalDigit(ch.charCodeAt(0))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } + + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + ch = source[index]; + } + + if (ch === '.') { + number += source[index++]; + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + ch = source[index]; + } + + if (ch === 'e' || ch === 'E') { + number += source[index++]; + + ch = source[index]; + if (ch === '+' || ch === '-') { + number += source[index++]; + } + if (isDecimalDigit(source.charCodeAt(index))) { + while (isDecimalDigit(source.charCodeAt(index))) { + number += source[index++]; + } + } else { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } + + if (isIdentifierStart(source.charCodeAt(index))) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.NumericLiteral, + value: parseFloat(number), + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + // 7.8.4 String Literals + + function scanStringLiteral() { + var str = '', quote, start, ch, code, unescaped, restore, octal = false; + + quote = source[index]; + assert((quote === '\'' || quote === '"'), + 'String literal must starts with a quote'); + + start = index; + ++index; + + while (index < length) { + ch = source[index++]; + + if (ch === quote) { + quote = ''; + break; + } else if (ch === '\\') { + ch = source[index++]; + if (!ch || !isLineTerminator(ch.charCodeAt(0))) { + switch (ch) { + case 'n': + str += '\n'; + break; + case 'r': + str += '\r'; + break; + case 't': + str += '\t'; + break; + case 'u': + case 'x': + if (source[index] === '{') { + ++index; + str += scanUnicodeCodePointEscape(); + } else { + restore = index; + unescaped = scanHexEscape(ch); + if (unescaped) { + str += unescaped; + } else { + index = restore; + str += ch; + } + } + break; + case 'b': + str += '\b'; + break; + case 'f': + str += '\f'; + break; + case 'v': + str += '\x0B'; + break; + + default: + if (isOctalDigit(ch)) { + code = '01234567'.indexOf(ch); + + // \0 is not octal escape sequence + if (code !== 0) { + octal = true; + } + + /* istanbul ignore else */ + if (index < length && isOctalDigit(source[index])) { + octal = true; + code = code * 8 + '01234567'.indexOf(source[index++]); + + // 3 digits are only allowed when string starts + // with 0, 1, 2, 3 + if ('0123'.indexOf(ch) >= 0 && + index < length && + isOctalDigit(source[index])) { + code = code * 8 + '01234567'.indexOf(source[index++]); + } + } + str += String.fromCharCode(code); + } else { + str += ch; + } + break; + } + } else { + ++lineNumber; + if (ch === '\r' && source[index] === '\n') { + ++index; + } + lineStart = index; + } + } else if (isLineTerminator(ch.charCodeAt(0))) { + break; + } else { + str += ch; + } + } + + if (quote !== '') { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.StringLiteral, + value: str, + octal: octal, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanTemplate() { + var cooked = '', ch, start, terminated, tail, restore, unescaped, code, octal; + + terminated = false; + tail = false; + start = index; + + ++index; + + while (index < length) { + ch = source[index++]; + if (ch === '`') { + tail = true; + terminated = true; + break; + } else if (ch === '$') { + if (source[index] === '{') { + ++index; + terminated = true; + break; + } + cooked += ch; + } else if (ch === '\\') { + ch = source[index++]; + if (!isLineTerminator(ch.charCodeAt(0))) { + switch (ch) { + case 'n': + cooked += '\n'; + break; + case 'r': + cooked += '\r'; + break; + case 't': + cooked += '\t'; + break; + case 'u': + case 'x': + if (source[index] === '{') { + ++index; + cooked += scanUnicodeCodePointEscape(); + } else { + restore = index; + unescaped = scanHexEscape(ch); + if (unescaped) { + cooked += unescaped; + } else { + index = restore; + cooked += ch; + } + } + break; + case 'b': + cooked += '\b'; + break; + case 'f': + cooked += '\f'; + break; + case 'v': + cooked += '\v'; + break; + + default: + if (isOctalDigit(ch)) { + code = '01234567'.indexOf(ch); + + // \0 is not octal escape sequence + if (code !== 0) { + octal = true; + } + + /* istanbul ignore else */ + if (index < length && isOctalDigit(source[index])) { + octal = true; + code = code * 8 + '01234567'.indexOf(source[index++]); + + // 3 digits are only allowed when string starts + // with 0, 1, 2, 3 + if ('0123'.indexOf(ch) >= 0 && + index < length && + isOctalDigit(source[index])) { + code = code * 8 + '01234567'.indexOf(source[index++]); + } + } + cooked += String.fromCharCode(code); + } else { + cooked += ch; + } + break; + } + } else { + ++lineNumber; + if (ch === '\r' && source[index] === '\n') { + ++index; + } + lineStart = index; + } + } else if (isLineTerminator(ch.charCodeAt(0))) { + ++lineNumber; + if (ch === '\r' && source[index] === '\n') { + ++index; + } + lineStart = index; + cooked += '\n'; + } else { + cooked += ch; + } + } + + if (!terminated) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + return { + type: Token.Template, + value: { + cooked: cooked, + raw: source.slice(start + 1, index - ((tail) ? 1 : 2)) + }, + tail: tail, + octal: octal, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanTemplateElement(option) { + var startsWith, template; + + lookahead = null; + skipComment(); + + startsWith = (option.head) ? '`' : '}'; + + if (source[index] !== startsWith) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + template = scanTemplate(); + + peek(); + + return template; + } + + function testRegExp(pattern, flags) { + var tmp = pattern, + value; + + if (flags.indexOf('u') >= 0) { + // Replace each astral symbol and every Unicode code point + // escape sequence with a single ASCII symbol to avoid throwing on + // regular expressions that are only valid in combination with the + // `/u` flag. + // Note: replacing with the ASCII symbol `x` might cause false + // negatives in unlikely scenarios. For example, `[\u{61}-b]` is a + // perfectly valid pattern that is equivalent to `[a-b]`, but it + // would be replaced by `[x-b]` which throws an error. + tmp = tmp + .replace(/\\u\{([0-9a-fA-F]+)\}/g, function ($0, $1) { + if (parseInt($1, 16) <= 0x10FFFF) { + return 'x'; + } + throwError({}, Messages.InvalidRegExp); + }) + .replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, 'x'); + } + + // First, detect invalid regular expressions. + try { + value = new RegExp(tmp); + } catch (e) { + throwError({}, Messages.InvalidRegExp); + } + + // Return a regular expression object for this pattern-flag pair, or + // `null` in case the current environment doesn't support the flags it + // uses. + try { + return new RegExp(pattern, flags); + } catch (exception) { + return null; + } + } + + function scanRegExpBody() { + var ch, str, classMarker, terminated, body; + + ch = source[index]; + assert(ch === '/', 'Regular expression literal must start with a slash'); + str = source[index++]; + + classMarker = false; + terminated = false; + while (index < length) { + ch = source[index++]; + str += ch; + if (ch === '\\') { + ch = source[index++]; + // ECMA-262 7.8.5 + if (isLineTerminator(ch.charCodeAt(0))) { + throwError({}, Messages.UnterminatedRegExp); + } + str += ch; + } else if (isLineTerminator(ch.charCodeAt(0))) { + throwError({}, Messages.UnterminatedRegExp); + } else if (classMarker) { + if (ch === ']') { + classMarker = false; + } + } else { + if (ch === '/') { + terminated = true; + break; + } else if (ch === '[') { + classMarker = true; + } + } + } + + if (!terminated) { + throwError({}, Messages.UnterminatedRegExp); + } + + // Exclude leading and trailing slash. + body = str.substr(1, str.length - 2); + return { + value: body, + literal: str + }; + } + + function scanRegExpFlags() { + var ch, str, flags, restore; + + str = ''; + flags = ''; + while (index < length) { + ch = source[index]; + if (!isIdentifierPart(ch.charCodeAt(0))) { + break; + } + + ++index; + if (ch === '\\' && index < length) { + ch = source[index]; + if (ch === 'u') { + ++index; + restore = index; + ch = scanHexEscape('u'); + if (ch) { + flags += ch; + for (str += '\\u'; restore < index; ++restore) { + str += source[restore]; + } + } else { + index = restore; + flags += 'u'; + str += '\\u'; + } + throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL'); + } else { + str += '\\'; + throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + } else { + flags += ch; + str += ch; + } + } + + return { + value: flags, + literal: str + }; + } + + function scanRegExp() { + var start, body, flags, value; + + lookahead = null; + skipComment(); + start = index; + + body = scanRegExpBody(); + flags = scanRegExpFlags(); + value = testRegExp(body.value, flags.value); + + if (extra.tokenize) { + return { + type: Token.RegularExpression, + value: value, + regex: { + pattern: body.value, + flags: flags.value + }, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + return { + literal: body.literal + flags.literal, + value: value, + regex: { + pattern: body.value, + flags: flags.value + }, + range: [start, index] + }; + } + + function isIdentifierName(token) { + return token.type === Token.Identifier || + token.type === Token.Keyword || + token.type === Token.BooleanLiteral || + token.type === Token.NullLiteral; + } + + function advanceSlash() { + var prevToken, + checkToken; + // Using the following algorithm: + // https://github.com/mozilla/sweet.js/wiki/design + prevToken = extra.tokens[extra.tokens.length - 1]; + if (!prevToken) { + // Nothing before that: it cannot be a division. + return scanRegExp(); + } + if (prevToken.type === 'Punctuator') { + if (prevToken.value === ')') { + checkToken = extra.tokens[extra.openParenToken - 1]; + if (checkToken && + checkToken.type === 'Keyword' && + (checkToken.value === 'if' || + checkToken.value === 'while' || + checkToken.value === 'for' || + checkToken.value === 'with')) { + return scanRegExp(); + } + return scanPunctuator(); + } + if (prevToken.value === '}') { + // Dividing a function by anything makes little sense, + // but we have to check for that. + if (extra.tokens[extra.openCurlyToken - 3] && + extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') { + // Anonymous function. + checkToken = extra.tokens[extra.openCurlyToken - 4]; + if (!checkToken) { + return scanPunctuator(); + } + } else if (extra.tokens[extra.openCurlyToken - 4] && + extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') { + // Named function. + checkToken = extra.tokens[extra.openCurlyToken - 5]; + if (!checkToken) { + return scanRegExp(); + } + } else { + return scanPunctuator(); + } + // checkToken determines whether the function is + // a declaration or an expression. + if (FnExprTokens.indexOf(checkToken.value) >= 0) { + // It is an expression. + return scanPunctuator(); + } + // It is a declaration. + return scanRegExp(); + } + return scanRegExp(); + } + if (prevToken.type === 'Keyword' && prevToken.value !== 'this') { + return scanRegExp(); + } + return scanPunctuator(); + } + + function advance() { + var ch; + + if (!state.inJSXChild) { + skipComment(); + } + + if (index >= length) { + return { + type: Token.EOF, + lineNumber: lineNumber, + lineStart: lineStart, + range: [index, index] + }; + } + + if (state.inJSXChild) { + return advanceJSXChild(); + } + + ch = source.charCodeAt(index); + + // Very common: ( and ) and ; + if (ch === 40 || ch === 41 || ch === 58) { + return scanPunctuator(); + } + + // String literal starts with single quote (#39) or double quote (#34). + if (ch === 39 || ch === 34) { + if (state.inJSXTag) { + return scanJSXStringLiteral(); + } + return scanStringLiteral(); + } + + if (state.inJSXTag && isJSXIdentifierStart(ch)) { + return scanJSXIdentifier(); + } + + if (ch === 96) { + return scanTemplate(); + } + if (isIdentifierStart(ch)) { + return scanIdentifier(); + } + + // Dot (.) char #46 can also start a floating-point number, hence the need + // to check the next character. + if (ch === 46) { + if (isDecimalDigit(source.charCodeAt(index + 1))) { + return scanNumericLiteral(); + } + return scanPunctuator(); + } + + if (isDecimalDigit(ch)) { + return scanNumericLiteral(); + } + + // Slash (/) char #47 can also start a regex. + if (extra.tokenize && ch === 47) { + return advanceSlash(); + } + + return scanPunctuator(); + } + + function lex() { + var token; + + token = lookahead; + index = token.range[1]; + lineNumber = token.lineNumber; + lineStart = token.lineStart; + + lookahead = advance(); + + index = token.range[1]; + lineNumber = token.lineNumber; + lineStart = token.lineStart; + + return token; + } + + function peek() { + var pos, line, start; + + pos = index; + line = lineNumber; + start = lineStart; + lookahead = advance(); + index = pos; + lineNumber = line; + lineStart = start; + } + + function lookahead2() { + var adv, pos, line, start, result; + + // If we are collecting the tokens, don't grab the next one yet. + /* istanbul ignore next */ + adv = (typeof extra.advance === 'function') ? extra.advance : advance; + + pos = index; + line = lineNumber; + start = lineStart; + + // Scan for the next immediate token. + /* istanbul ignore if */ + if (lookahead === null) { + lookahead = adv(); + } + index = lookahead.range[1]; + lineNumber = lookahead.lineNumber; + lineStart = lookahead.lineStart; + + // Grab the token right after. + result = adv(); + index = pos; + lineNumber = line; + lineStart = start; + + return result; + } + + function rewind(token) { + index = token.range[0]; + lineNumber = token.lineNumber; + lineStart = token.lineStart; + lookahead = token; + } + + function markerCreate() { + if (!extra.loc && !extra.range) { + return undefined; + } + skipComment(); + return {offset: index, line: lineNumber, col: index - lineStart}; + } + + function markerCreatePreserveWhitespace() { + if (!extra.loc && !extra.range) { + return undefined; + } + return {offset: index, line: lineNumber, col: index - lineStart}; + } + + function processComment(node) { + var lastChild, + trailingComments, + bottomRight = extra.bottomRightStack, + last = bottomRight[bottomRight.length - 1]; + + if (node.type === Syntax.Program) { + /* istanbul ignore else */ + if (node.body.length > 0) { + return; + } + } + + if (extra.trailingComments.length > 0) { + if (extra.trailingComments[0].range[0] >= node.range[1]) { + trailingComments = extra.trailingComments; + extra.trailingComments = []; + } else { + extra.trailingComments.length = 0; + } + } else { + if (last && last.trailingComments && last.trailingComments[0].range[0] >= node.range[1]) { + trailingComments = last.trailingComments; + delete last.trailingComments; + } + } + + // Eating the stack. + if (last) { + while (last && last.range[0] >= node.range[0]) { + lastChild = last; + last = bottomRight.pop(); + } + } + + if (lastChild) { + if (lastChild.leadingComments && lastChild.leadingComments[lastChild.leadingComments.length - 1].range[1] <= node.range[0]) { + node.leadingComments = lastChild.leadingComments; + delete lastChild.leadingComments; + } + } else if (extra.leadingComments.length > 0 && extra.leadingComments[extra.leadingComments.length - 1].range[1] <= node.range[0]) { + node.leadingComments = extra.leadingComments; + extra.leadingComments = []; + } + + if (trailingComments) { + node.trailingComments = trailingComments; + } + + bottomRight.push(node); + } + + function markerApply(marker, node) { + if (extra.range) { + node.range = [marker.offset, index]; + } + if (extra.loc) { + node.loc = { + start: { + line: marker.line, + column: marker.col + }, + end: { + line: lineNumber, + column: index - lineStart + } + }; + node = delegate.postProcess(node); + } + if (extra.attachComment) { + processComment(node); + } + return node; + } + + SyntaxTreeDelegate = { + + name: 'SyntaxTree', + + postProcess: function (node) { + return node; + }, + + createArrayExpression: function (elements) { + return { + type: Syntax.ArrayExpression, + elements: elements + }; + }, + + createAssignmentExpression: function (operator, left, right) { + return { + type: Syntax.AssignmentExpression, + operator: operator, + left: left, + right: right + }; + }, + + createBinaryExpression: function (operator, left, right) { + var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression : + Syntax.BinaryExpression; + return { + type: type, + operator: operator, + left: left, + right: right + }; + }, + + createBlockStatement: function (body) { + return { + type: Syntax.BlockStatement, + body: body + }; + }, + + createBreakStatement: function (label) { + return { + type: Syntax.BreakStatement, + label: label + }; + }, + + createCallExpression: function (callee, args) { + return { + type: Syntax.CallExpression, + callee: callee, + 'arguments': args + }; + }, + + createCatchClause: function (param, body) { + return { + type: Syntax.CatchClause, + param: param, + body: body + }; + }, + + createConditionalExpression: function (test, consequent, alternate) { + return { + type: Syntax.ConditionalExpression, + test: test, + consequent: consequent, + alternate: alternate + }; + }, + + createContinueStatement: function (label) { + return { + type: Syntax.ContinueStatement, + label: label + }; + }, + + createDebuggerStatement: function () { + return { + type: Syntax.DebuggerStatement + }; + }, + + createDoWhileStatement: function (body, test) { + return { + type: Syntax.DoWhileStatement, + body: body, + test: test + }; + }, + + createEmptyStatement: function () { + return { + type: Syntax.EmptyStatement + }; + }, + + createExpressionStatement: function (expression) { + return { + type: Syntax.ExpressionStatement, + expression: expression + }; + }, + + createForStatement: function (init, test, update, body) { + return { + type: Syntax.ForStatement, + init: init, + test: test, + update: update, + body: body + }; + }, + + createForInStatement: function (left, right, body) { + return { + type: Syntax.ForInStatement, + left: left, + right: right, + body: body, + each: false + }; + }, + + createForOfStatement: function (left, right, body) { + return { + type: Syntax.ForOfStatement, + left: left, + right: right, + body: body + }; + }, + + createFunctionDeclaration: function (id, params, defaults, body, rest, generator, expression, + isAsync, returnType, typeParameters) { + var funDecl = { + type: Syntax.FunctionDeclaration, + id: id, + params: params, + defaults: defaults, + body: body, + rest: rest, + generator: generator, + expression: expression, + returnType: returnType, + typeParameters: typeParameters + }; + + if (isAsync) { + funDecl.async = true; + } + + return funDecl; + }, + + createFunctionExpression: function (id, params, defaults, body, rest, generator, expression, + isAsync, returnType, typeParameters) { + var funExpr = { + type: Syntax.FunctionExpression, + id: id, + params: params, + defaults: defaults, + body: body, + rest: rest, + generator: generator, + expression: expression, + returnType: returnType, + typeParameters: typeParameters + }; + + if (isAsync) { + funExpr.async = true; + } + + return funExpr; + }, + + createIdentifier: function (name) { + return { + type: Syntax.Identifier, + name: name, + // Only here to initialize the shape of the object to ensure + // that the 'typeAnnotation' key is ordered before others that + // are added later (like 'loc' and 'range'). This just helps + // keep the shape of Identifier nodes consistent with everything + // else. + typeAnnotation: undefined, + optional: undefined + }; + }, + + createTypeAnnotation: function (typeAnnotation) { + return { + type: Syntax.TypeAnnotation, + typeAnnotation: typeAnnotation + }; + }, + + createTypeCast: function (expression, typeAnnotation) { + return { + type: Syntax.TypeCastExpression, + expression: expression, + typeAnnotation: typeAnnotation + }; + }, + + createFunctionTypeAnnotation: function (params, returnType, rest, typeParameters) { + return { + type: Syntax.FunctionTypeAnnotation, + params: params, + returnType: returnType, + rest: rest, + typeParameters: typeParameters + }; + }, + + createFunctionTypeParam: function (name, typeAnnotation, optional) { + return { + type: Syntax.FunctionTypeParam, + name: name, + typeAnnotation: typeAnnotation, + optional: optional + }; + }, + + createNullableTypeAnnotation: function (typeAnnotation) { + return { + type: Syntax.NullableTypeAnnotation, + typeAnnotation: typeAnnotation + }; + }, + + createArrayTypeAnnotation: function (elementType) { + return { + type: Syntax.ArrayTypeAnnotation, + elementType: elementType + }; + }, + + createGenericTypeAnnotation: function (id, typeParameters) { + return { + type: Syntax.GenericTypeAnnotation, + id: id, + typeParameters: typeParameters + }; + }, + + createQualifiedTypeIdentifier: function (qualification, id) { + return { + type: Syntax.QualifiedTypeIdentifier, + qualification: qualification, + id: id + }; + }, + + createTypeParameterDeclaration: function (params) { + return { + type: Syntax.TypeParameterDeclaration, + params: params + }; + }, + + createTypeParameterInstantiation: function (params) { + return { + type: Syntax.TypeParameterInstantiation, + params: params + }; + }, + + createAnyTypeAnnotation: function () { + return { + type: Syntax.AnyTypeAnnotation + }; + }, + + createBooleanTypeAnnotation: function () { + return { + type: Syntax.BooleanTypeAnnotation + }; + }, + + createNumberTypeAnnotation: function () { + return { + type: Syntax.NumberTypeAnnotation + }; + }, + + createStringTypeAnnotation: function () { + return { + type: Syntax.StringTypeAnnotation + }; + }, + + createStringLiteralTypeAnnotation: function (token) { + return { + type: Syntax.StringLiteralTypeAnnotation, + value: token.value, + raw: source.slice(token.range[0], token.range[1]) + }; + }, + + createVoidTypeAnnotation: function () { + return { + type: Syntax.VoidTypeAnnotation + }; + }, + + createTypeofTypeAnnotation: function (argument) { + return { + type: Syntax.TypeofTypeAnnotation, + argument: argument + }; + }, + + createTupleTypeAnnotation: function (types) { + return { + type: Syntax.TupleTypeAnnotation, + types: types + }; + }, + + createObjectTypeAnnotation: function (properties, indexers, callProperties) { + return { + type: Syntax.ObjectTypeAnnotation, + properties: properties, + indexers: indexers, + callProperties: callProperties + }; + }, + + createObjectTypeIndexer: function (id, key, value, isStatic) { + return { + type: Syntax.ObjectTypeIndexer, + id: id, + key: key, + value: value, + "static": isStatic + }; + }, + + createObjectTypeCallProperty: function (value, isStatic) { + return { + type: Syntax.ObjectTypeCallProperty, + value: value, + "static": isStatic + }; + }, + + createObjectTypeProperty: function (key, value, optional, isStatic) { + return { + type: Syntax.ObjectTypeProperty, + key: key, + value: value, + optional: optional, + "static": isStatic + }; + }, + + createUnionTypeAnnotation: function (types) { + return { + type: Syntax.UnionTypeAnnotation, + types: types + }; + }, + + createIntersectionTypeAnnotation: function (types) { + return { + type: Syntax.IntersectionTypeAnnotation, + types: types + }; + }, + + createTypeAlias: function (id, typeParameters, right) { + return { + type: Syntax.TypeAlias, + id: id, + typeParameters: typeParameters, + right: right + }; + }, + + createInterface: function (id, typeParameters, body, extended) { + return { + type: Syntax.InterfaceDeclaration, + id: id, + typeParameters: typeParameters, + body: body, + "extends": extended + }; + }, + + createInterfaceExtends: function (id, typeParameters) { + return { + type: Syntax.InterfaceExtends, + id: id, + typeParameters: typeParameters + }; + }, + + createDeclareFunction: function (id) { + return { + type: Syntax.DeclareFunction, + id: id + }; + }, + + createDeclareVariable: function (id) { + return { + type: Syntax.DeclareVariable, + id: id + }; + }, + + createDeclareModule: function (id, body) { + return { + type: Syntax.DeclareModule, + id: id, + body: body + }; + }, + + createJSXAttribute: function (name, value) { + return { + type: Syntax.JSXAttribute, + name: name, + value: value || null + }; + }, + + createJSXSpreadAttribute: function (argument) { + return { + type: Syntax.JSXSpreadAttribute, + argument: argument + }; + }, + + createJSXIdentifier: function (name) { + return { + type: Syntax.JSXIdentifier, + name: name + }; + }, + + createJSXNamespacedName: function (namespace, name) { + return { + type: Syntax.JSXNamespacedName, + namespace: namespace, + name: name + }; + }, + + createJSXMemberExpression: function (object, property) { + return { + type: Syntax.JSXMemberExpression, + object: object, + property: property + }; + }, + + createJSXElement: function (openingElement, closingElement, children) { + return { + type: Syntax.JSXElement, + openingElement: openingElement, + closingElement: closingElement, + children: children + }; + }, + + createJSXEmptyExpression: function () { + return { + type: Syntax.JSXEmptyExpression + }; + }, + + createJSXExpressionContainer: function (expression) { + return { + type: Syntax.JSXExpressionContainer, + expression: expression + }; + }, + + createJSXOpeningElement: function (name, attributes, selfClosing) { + return { + type: Syntax.JSXOpeningElement, + name: name, + selfClosing: selfClosing, + attributes: attributes + }; + }, + + createJSXClosingElement: function (name) { + return { + type: Syntax.JSXClosingElement, + name: name + }; + }, + + createIfStatement: function (test, consequent, alternate) { + return { + type: Syntax.IfStatement, + test: test, + consequent: consequent, + alternate: alternate + }; + }, + + createLabeledStatement: function (label, body) { + return { + type: Syntax.LabeledStatement, + label: label, + body: body + }; + }, + + createLiteral: function (token) { + var object = { + type: Syntax.Literal, + value: token.value, + raw: source.slice(token.range[0], token.range[1]) + }; + if (token.regex) { + object.regex = token.regex; + } + return object; + }, + + createMemberExpression: function (accessor, object, property) { + return { + type: Syntax.MemberExpression, + computed: accessor === '[', + object: object, + property: property + }; + }, + + createNewExpression: function (callee, args) { + return { + type: Syntax.NewExpression, + callee: callee, + 'arguments': args + }; + }, + + createObjectExpression: function (properties) { + return { + type: Syntax.ObjectExpression, + properties: properties + }; + }, + + createPostfixExpression: function (operator, argument) { + return { + type: Syntax.UpdateExpression, + operator: operator, + argument: argument, + prefix: false + }; + }, + + createProgram: function (body) { + return { + type: Syntax.Program, + body: body + }; + }, + + createProperty: function (kind, key, value, method, shorthand, computed) { + return { + type: Syntax.Property, + key: key, + value: value, + kind: kind, + method: method, + shorthand: shorthand, + computed: computed + }; + }, + + createReturnStatement: function (argument) { + return { + type: Syntax.ReturnStatement, + argument: argument + }; + }, + + createSequenceExpression: function (expressions) { + return { + type: Syntax.SequenceExpression, + expressions: expressions + }; + }, + + createSwitchCase: function (test, consequent) { + return { + type: Syntax.SwitchCase, + test: test, + consequent: consequent + }; + }, + + createSwitchStatement: function (discriminant, cases) { + return { + type: Syntax.SwitchStatement, + discriminant: discriminant, + cases: cases + }; + }, + + createThisExpression: function () { + return { + type: Syntax.ThisExpression + }; + }, + + createThrowStatement: function (argument) { + return { + type: Syntax.ThrowStatement, + argument: argument + }; + }, + + createTryStatement: function (block, guardedHandlers, handlers, finalizer) { + return { + type: Syntax.TryStatement, + block: block, + guardedHandlers: guardedHandlers, + handlers: handlers, + finalizer: finalizer + }; + }, + + createUnaryExpression: function (operator, argument) { + if (operator === '++' || operator === '--') { + return { + type: Syntax.UpdateExpression, + operator: operator, + argument: argument, + prefix: true + }; + } + return { + type: Syntax.UnaryExpression, + operator: operator, + argument: argument, + prefix: true + }; + }, + + createVariableDeclaration: function (declarations, kind) { + return { + type: Syntax.VariableDeclaration, + declarations: declarations, + kind: kind + }; + }, + + createVariableDeclarator: function (id, init) { + return { + type: Syntax.VariableDeclarator, + id: id, + init: init + }; + }, + + createWhileStatement: function (test, body) { + return { + type: Syntax.WhileStatement, + test: test, + body: body + }; + }, + + createWithStatement: function (object, body) { + return { + type: Syntax.WithStatement, + object: object, + body: body + }; + }, + + createTemplateElement: function (value, tail) { + return { + type: Syntax.TemplateElement, + value: value, + tail: tail + }; + }, + + createTemplateLiteral: function (quasis, expressions) { + return { + type: Syntax.TemplateLiteral, + quasis: quasis, + expressions: expressions + }; + }, + + createSpreadElement: function (argument) { + return { + type: Syntax.SpreadElement, + argument: argument + }; + }, + + createSpreadProperty: function (argument) { + return { + type: Syntax.SpreadProperty, + argument: argument + }; + }, + + createTaggedTemplateExpression: function (tag, quasi) { + return { + type: Syntax.TaggedTemplateExpression, + tag: tag, + quasi: quasi + }; + }, + + createArrowFunctionExpression: function (params, defaults, body, rest, expression, isAsync) { + var arrowExpr = { + type: Syntax.ArrowFunctionExpression, + id: null, + params: params, + defaults: defaults, + body: body, + rest: rest, + generator: false, + expression: expression + }; + + if (isAsync) { + arrowExpr.async = true; + } + + return arrowExpr; + }, + + createMethodDefinition: function (propertyType, kind, key, value, computed) { + return { + type: Syntax.MethodDefinition, + key: key, + value: value, + kind: kind, + 'static': propertyType === ClassPropertyType["static"], + computed: computed + }; + }, + + createClassProperty: function (key, typeAnnotation, computed, isStatic) { + return { + type: Syntax.ClassProperty, + key: key, + typeAnnotation: typeAnnotation, + computed: computed, + "static": isStatic + }; + }, + + createClassBody: function (body) { + return { + type: Syntax.ClassBody, + body: body + }; + }, + + createClassImplements: function (id, typeParameters) { + return { + type: Syntax.ClassImplements, + id: id, + typeParameters: typeParameters + }; + }, + + createClassExpression: function (id, superClass, body, typeParameters, superTypeParameters, implemented) { + return { + type: Syntax.ClassExpression, + id: id, + superClass: superClass, + body: body, + typeParameters: typeParameters, + superTypeParameters: superTypeParameters, + "implements": implemented + }; + }, + + createClassDeclaration: function (id, superClass, body, typeParameters, superTypeParameters, implemented) { + return { + type: Syntax.ClassDeclaration, + id: id, + superClass: superClass, + body: body, + typeParameters: typeParameters, + superTypeParameters: superTypeParameters, + "implements": implemented + }; + }, + + createModuleSpecifier: function (token) { + return { + type: Syntax.ModuleSpecifier, + value: token.value, + raw: source.slice(token.range[0], token.range[1]) + }; + }, + + createExportSpecifier: function (id, name) { + return { + type: Syntax.ExportSpecifier, + id: id, + name: name + }; + }, + + createExportBatchSpecifier: function () { + return { + type: Syntax.ExportBatchSpecifier + }; + }, + + createImportDefaultSpecifier: function (id) { + return { + type: Syntax.ImportDefaultSpecifier, + id: id + }; + }, + + createImportNamespaceSpecifier: function (id) { + return { + type: Syntax.ImportNamespaceSpecifier, + id: id + }; + }, + + createExportDeclaration: function (isDefault, declaration, specifiers, src) { + return { + type: Syntax.ExportDeclaration, + 'default': !!isDefault, + declaration: declaration, + specifiers: specifiers, + source: src + }; + }, + + createImportSpecifier: function (id, name) { + return { + type: Syntax.ImportSpecifier, + id: id, + name: name + }; + }, + + createImportDeclaration: function (specifiers, src, isType) { + return { + type: Syntax.ImportDeclaration, + specifiers: specifiers, + source: src, + isType: isType + }; + }, + + createYieldExpression: function (argument, dlg) { + return { + type: Syntax.YieldExpression, + argument: argument, + delegate: dlg + }; + }, + + createAwaitExpression: function (argument) { + return { + type: Syntax.AwaitExpression, + argument: argument + }; + }, + + createComprehensionExpression: function (filter, blocks, body) { + return { + type: Syntax.ComprehensionExpression, + filter: filter, + blocks: blocks, + body: body + }; + } + + }; + + // Return true if there is a line terminator before the next token. + + function peekLineTerminator() { + var pos, line, start, found; + + pos = index; + line = lineNumber; + start = lineStart; + skipComment(); + found = lineNumber !== line; + index = pos; + lineNumber = line; + lineStart = start; + + return found; + } + + // Throw an exception + + function throwError(token, messageFormat) { + var error, + args = Array.prototype.slice.call(arguments, 2), + msg = messageFormat.replace( + /%(\d)/g, + function (whole, idx) { + assert(idx < args.length, 'Message reference must be in range'); + return args[idx]; + } + ); + + if (typeof token.lineNumber === 'number') { + error = new Error('Line ' + token.lineNumber + ': ' + msg); + error.index = token.range[0]; + error.lineNumber = token.lineNumber; + error.column = token.range[0] - lineStart + 1; + } else { + error = new Error('Line ' + lineNumber + ': ' + msg); + error.index = index; + error.lineNumber = lineNumber; + error.column = index - lineStart + 1; + } + + error.description = msg; + throw error; + } + + function throwErrorTolerant() { + try { + throwError.apply(null, arguments); + } catch (e) { + if (extra.errors) { + extra.errors.push(e); + } else { + throw e; + } + } + } + + + // Throw an exception because of the token. + + function throwUnexpected(token) { + if (token.type === Token.EOF) { + throwError(token, Messages.UnexpectedEOS); + } + + if (token.type === Token.NumericLiteral) { + throwError(token, Messages.UnexpectedNumber); + } + + if (token.type === Token.StringLiteral || token.type === Token.JSXText) { + throwError(token, Messages.UnexpectedString); + } + + if (token.type === Token.Identifier) { + throwError(token, Messages.UnexpectedIdentifier); + } + + if (token.type === Token.Keyword) { + if (isFutureReservedWord(token.value)) { + throwError(token, Messages.UnexpectedReserved); + } else if (strict && isStrictModeReservedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictReservedWord); + return; + } + throwError(token, Messages.UnexpectedToken, token.value); + } + + if (token.type === Token.Template) { + throwError(token, Messages.UnexpectedTemplate, token.value.raw); + } + + // BooleanLiteral, NullLiteral, or Punctuator. + throwError(token, Messages.UnexpectedToken, token.value); + } + + // Expect the next token to match the specified punctuator. + // If not, an exception will be thrown. + + function expect(value) { + var token = lex(); + if (token.type !== Token.Punctuator || token.value !== value) { + throwUnexpected(token); + } + } + + // Expect the next token to match the specified keyword. + // If not, an exception will be thrown. + + function expectKeyword(keyword, contextual) { + var token = lex(); + if (token.type !== (contextual ? Token.Identifier : Token.Keyword) || + token.value !== keyword) { + throwUnexpected(token); + } + } + + // Expect the next token to match the specified contextual keyword. + // If not, an exception will be thrown. + + function expectContextualKeyword(keyword) { + return expectKeyword(keyword, true); + } + + // Return true if the next token matches the specified punctuator. + + function match(value) { + return lookahead.type === Token.Punctuator && lookahead.value === value; + } + + // Return true if the next token matches the specified keyword + + function matchKeyword(keyword, contextual) { + var expectedType = contextual ? Token.Identifier : Token.Keyword; + return lookahead.type === expectedType && lookahead.value === keyword; + } + + // Return true if the next token matches the specified contextual keyword + + function matchContextualKeyword(keyword) { + return matchKeyword(keyword, true); + } + + // Return true if the next token is an assignment operator + + function matchAssign() { + var op; + + if (lookahead.type !== Token.Punctuator) { + return false; + } + op = lookahead.value; + return op === '=' || + op === '*=' || + op === '/=' || + op === '%=' || + op === '+=' || + op === '-=' || + op === '<<=' || + op === '>>=' || + op === '>>>=' || + op === '&=' || + op === '^=' || + op === '|='; + } + + // Note that 'yield' is treated as a keyword in strict mode, but a + // contextual keyword (identifier) in non-strict mode, so we need to + // use matchKeyword('yield', false) and matchKeyword('yield', true) + // (i.e. matchContextualKeyword) appropriately. + function matchYield() { + return state.yieldAllowed && matchKeyword('yield', !strict); + } + + function matchAsync() { + var backtrackToken = lookahead, matches = false; + + if (matchContextualKeyword('async')) { + lex(); // Make sure peekLineTerminator() starts after 'async'. + matches = !peekLineTerminator(); + rewind(backtrackToken); // Revert the lex(). + } + + return matches; + } + + function matchAwait() { + return state.awaitAllowed && matchContextualKeyword('await'); + } + + function consumeSemicolon() { + var line, oldIndex = index, oldLineNumber = lineNumber, + oldLineStart = lineStart, oldLookahead = lookahead; + + // Catch the very common case first: immediately a semicolon (char #59). + if (source.charCodeAt(index) === 59) { + lex(); + return; + } + + line = lineNumber; + skipComment(); + if (lineNumber !== line) { + index = oldIndex; + lineNumber = oldLineNumber; + lineStart = oldLineStart; + lookahead = oldLookahead; + return; + } + + if (match(';')) { + lex(); + return; + } + + if (lookahead.type !== Token.EOF && !match('}')) { + throwUnexpected(lookahead); + } + } + + // Return true if provided expression is LeftHandSideExpression + + function isLeftHandSide(expr) { + return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression; + } + + function isAssignableLeftHandSide(expr) { + return isLeftHandSide(expr) || expr.type === Syntax.ObjectPattern || expr.type === Syntax.ArrayPattern; + } + + // 11.1.4 Array Initialiser + + function parseArrayInitialiser() { + var elements = [], blocks = [], filter = null, tmp, possiblecomprehension = true, + marker = markerCreate(); + + expect('['); + while (!match(']')) { + if (lookahead.value === 'for' && + lookahead.type === Token.Keyword) { + if (!possiblecomprehension) { + throwError({}, Messages.ComprehensionError); + } + matchKeyword('for'); + tmp = parseForStatement({ignoreBody: true}); + tmp.of = tmp.type === Syntax.ForOfStatement; + tmp.type = Syntax.ComprehensionBlock; + if (tmp.left.kind) { // can't be let or const + throwError({}, Messages.ComprehensionError); + } + blocks.push(tmp); + } else if (lookahead.value === 'if' && + lookahead.type === Token.Keyword) { + if (!possiblecomprehension) { + throwError({}, Messages.ComprehensionError); + } + expectKeyword('if'); + expect('('); + filter = parseExpression(); + expect(')'); + } else if (lookahead.value === ',' && + lookahead.type === Token.Punctuator) { + possiblecomprehension = false; // no longer allowed. + lex(); + elements.push(null); + } else { + tmp = parseSpreadOrAssignmentExpression(); + elements.push(tmp); + if (tmp && tmp.type === Syntax.SpreadElement) { + if (!match(']')) { + throwError({}, Messages.ElementAfterSpreadElement); + } + } else if (!(match(']') || matchKeyword('for') || matchKeyword('if'))) { + expect(','); // this lexes. + possiblecomprehension = false; + } + } + } + + expect(']'); + + if (filter && !blocks.length) { + throwError({}, Messages.ComprehensionRequiresBlock); + } + + if (blocks.length) { + if (elements.length !== 1) { + throwError({}, Messages.ComprehensionError); + } + return markerApply(marker, delegate.createComprehensionExpression(filter, blocks, elements[0])); + } + return markerApply(marker, delegate.createArrayExpression(elements)); + } + + // 11.1.5 Object Initialiser + + function parsePropertyFunction(options) { + var previousStrict, previousYieldAllowed, previousAwaitAllowed, + params, defaults, body, marker = markerCreate(); + + previousStrict = strict; + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = options.generator; + previousAwaitAllowed = state.awaitAllowed; + state.awaitAllowed = options.async; + params = options.params || []; + defaults = options.defaults || []; + + body = parseConciseBody(); + if (options.name && strict && isRestrictedWord(params[0].name)) { + throwErrorTolerant(options.name, Messages.StrictParamName); + } + strict = previousStrict; + state.yieldAllowed = previousYieldAllowed; + state.awaitAllowed = previousAwaitAllowed; + + return markerApply(marker, delegate.createFunctionExpression( + null, + params, + defaults, + body, + options.rest || null, + options.generator, + body.type !== Syntax.BlockStatement, + options.async, + options.returnType, + options.typeParameters + )); + } + + + function parsePropertyMethodFunction(options) { + var previousStrict, tmp, method; + + previousStrict = strict; + strict = true; + + tmp = parseParams(); + + if (tmp.stricted) { + throwErrorTolerant(tmp.stricted, tmp.message); + } + + method = parsePropertyFunction({ + params: tmp.params, + defaults: tmp.defaults, + rest: tmp.rest, + generator: options.generator, + async: options.async, + returnType: tmp.returnType, + typeParameters: options.typeParameters + }); + + strict = previousStrict; + + return method; + } + + + function parseObjectPropertyKey() { + var marker = markerCreate(), + token = lex(), + propertyKey, + result; + + // Note: This function is called only from parseObjectProperty(), where + // EOF and Punctuator tokens are already filtered out. + + if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) { + if (strict && token.octal) { + throwErrorTolerant(token, Messages.StrictOctalLiteral); + } + return markerApply(marker, delegate.createLiteral(token)); + } + + if (token.type === Token.Punctuator && token.value === '[') { + // For computed properties we should skip the [ and ], and + // capture in marker only the assignment expression itself. + marker = markerCreate(); + propertyKey = parseAssignmentExpression(); + result = markerApply(marker, propertyKey); + expect(']'); + return result; + } + + return markerApply(marker, delegate.createIdentifier(token.value)); + } + + function parseObjectProperty() { + var token, key, id, param, computed, + marker = markerCreate(), returnType, typeParameters; + + token = lookahead; + computed = (token.value === '[' && token.type === Token.Punctuator); + + if (token.type === Token.Identifier || computed || matchAsync()) { + id = parseObjectPropertyKey(); + + if (match(':')) { + lex(); + + return markerApply( + marker, + delegate.createProperty( + 'init', + id, + parseAssignmentExpression(), + false, + false, + computed + ) + ); + } + + if (match('(') || match('<')) { + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + return markerApply( + marker, + delegate.createProperty( + 'init', + id, + parsePropertyMethodFunction({ + generator: false, + async: false, + typeParameters: typeParameters + }), + true, + false, + computed + ) + ); + } + + // Property Assignment: Getter and Setter. + + if (token.value === 'get') { + computed = (lookahead.value === '['); + key = parseObjectPropertyKey(); + + expect('('); + expect(')'); + if (match(':')) { + returnType = parseTypeAnnotation(); + } + + return markerApply( + marker, + delegate.createProperty( + 'get', + key, + parsePropertyFunction({ + generator: false, + async: false, + returnType: returnType + }), + false, + false, + computed + ) + ); + } + + if (token.value === 'set') { + computed = (lookahead.value === '['); + key = parseObjectPropertyKey(); + + expect('('); + token = lookahead; + param = [ parseTypeAnnotatableIdentifier() ]; + expect(')'); + if (match(':')) { + returnType = parseTypeAnnotation(); + } + + return markerApply( + marker, + delegate.createProperty( + 'set', + key, + parsePropertyFunction({ + params: param, + generator: false, + async: false, + name: token, + returnType: returnType + }), + false, + false, + computed + ) + ); + } + + if (token.value === 'async') { + computed = (lookahead.value === '['); + key = parseObjectPropertyKey(); + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + return markerApply( + marker, + delegate.createProperty( + 'init', + key, + parsePropertyMethodFunction({ + generator: false, + async: true, + typeParameters: typeParameters + }), + true, + false, + computed + ) + ); + } + + if (computed) { + // Computed properties can only be used with full notation. + throwUnexpected(lookahead); + } + + return markerApply( + marker, + delegate.createProperty('init', id, id, false, true, false) + ); + } + + if (token.type === Token.EOF || token.type === Token.Punctuator) { + if (!match('*')) { + throwUnexpected(token); + } + lex(); + + computed = (lookahead.type === Token.Punctuator && lookahead.value === '['); + + id = parseObjectPropertyKey(); + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + if (!match('(')) { + throwUnexpected(lex()); + } + + return markerApply(marker, delegate.createProperty( + 'init', + id, + parsePropertyMethodFunction({ + generator: true, + typeParameters: typeParameters + }), + true, + false, + computed + )); + } + key = parseObjectPropertyKey(); + if (match(':')) { + lex(); + return markerApply(marker, delegate.createProperty('init', key, parseAssignmentExpression(), false, false, false)); + } + if (match('(') || match('<')) { + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + return markerApply(marker, delegate.createProperty( + 'init', + key, + parsePropertyMethodFunction({ + generator: false, + typeParameters: typeParameters + }), + true, + false, + false + )); + } + throwUnexpected(lex()); + } + + function parseObjectSpreadProperty() { + var marker = markerCreate(); + expect('...'); + return markerApply(marker, delegate.createSpreadProperty(parseAssignmentExpression())); + } + + function getFieldName(key) { + var toString = String; + if (key.type === Syntax.Identifier) { + return key.name; + } + return toString(key.value); + } + + function parseObjectInitialiser() { + var properties = [], property, name, kind, storedKind, map = new StringMap(), + marker = markerCreate(), toString = String; + + expect('{'); + + while (!match('}')) { + if (match('...')) { + property = parseObjectSpreadProperty(); + } else { + property = parseObjectProperty(); + + if (property.key.type === Syntax.Identifier) { + name = property.key.name; + } else { + name = toString(property.key.value); + } + kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set; + + if (map.has(name)) { + storedKind = map.get(name); + if (storedKind === PropertyKind.Data) { + if (strict && kind === PropertyKind.Data) { + throwErrorTolerant({}, Messages.StrictDuplicateProperty); + } else if (kind !== PropertyKind.Data) { + throwErrorTolerant({}, Messages.AccessorDataProperty); + } + } else { + if (kind === PropertyKind.Data) { + throwErrorTolerant({}, Messages.AccessorDataProperty); + } else if (storedKind & kind) { + throwErrorTolerant({}, Messages.AccessorGetSet); + } + } + map.set(name, storedKind | kind); + } else { + map.set(name, kind); + } + } + + properties.push(property); + + if (!match('}')) { + expect(','); + } + } + + expect('}'); + + return markerApply(marker, delegate.createObjectExpression(properties)); + } + + function parseTemplateElement(option) { + var marker = markerCreate(), + token = scanTemplateElement(option); + if (strict && token.octal) { + throwError(token, Messages.StrictOctalLiteral); + } + return markerApply(marker, delegate.createTemplateElement({ raw: token.value.raw, cooked: token.value.cooked }, token.tail)); + } + + function parseTemplateLiteral() { + var quasi, quasis, expressions, marker = markerCreate(); + + quasi = parseTemplateElement({ head: true }); + quasis = [ quasi ]; + expressions = []; + + while (!quasi.tail) { + expressions.push(parseExpression()); + quasi = parseTemplateElement({ head: false }); + quasis.push(quasi); + } + + return markerApply(marker, delegate.createTemplateLiteral(quasis, expressions)); + } + + // 11.1.6 The Grouping Operator + + function parseGroupExpression() { + var expr, marker, typeAnnotation; + + expect('('); + + ++state.parenthesizedCount; + + marker = markerCreate(); + + expr = parseExpression(); + + if (match(':')) { + typeAnnotation = parseTypeAnnotation(); + expr = markerApply(marker, delegate.createTypeCast( + expr, + typeAnnotation + )); + } + + expect(')'); + + return expr; + } + + function matchAsyncFuncExprOrDecl() { + var token; + + if (matchAsync()) { + token = lookahead2(); + if (token.type === Token.Keyword && token.value === 'function') { + return true; + } + } + + return false; + } + + // 11.1 Primary Expressions + + function parsePrimaryExpression() { + var marker, type, token, expr; + + type = lookahead.type; + + if (type === Token.Identifier) { + marker = markerCreate(); + return markerApply(marker, delegate.createIdentifier(lex().value)); + } + + if (type === Token.StringLiteral || type === Token.NumericLiteral) { + if (strict && lookahead.octal) { + throwErrorTolerant(lookahead, Messages.StrictOctalLiteral); + } + marker = markerCreate(); + return markerApply(marker, delegate.createLiteral(lex())); + } + + if (type === Token.Keyword) { + if (matchKeyword('this')) { + marker = markerCreate(); + lex(); + return markerApply(marker, delegate.createThisExpression()); + } + + if (matchKeyword('function')) { + return parseFunctionExpression(); + } + + if (matchKeyword('class')) { + return parseClassExpression(); + } + + if (matchKeyword('super')) { + marker = markerCreate(); + lex(); + return markerApply(marker, delegate.createIdentifier('super')); + } + } + + if (type === Token.BooleanLiteral) { + marker = markerCreate(); + token = lex(); + token.value = (token.value === 'true'); + return markerApply(marker, delegate.createLiteral(token)); + } + + if (type === Token.NullLiteral) { + marker = markerCreate(); + token = lex(); + token.value = null; + return markerApply(marker, delegate.createLiteral(token)); + } + + if (match('[')) { + return parseArrayInitialiser(); + } + + if (match('{')) { + return parseObjectInitialiser(); + } + + if (match('(')) { + return parseGroupExpression(); + } + + if (match('/') || match('/=')) { + marker = markerCreate(); + expr = delegate.createLiteral(scanRegExp()); + peek(); + return markerApply(marker, expr); + } + + if (type === Token.Template) { + return parseTemplateLiteral(); + } + + if (match('<')) { + return parseJSXElement(); + } + + throwUnexpected(lex()); + } + + // 11.2 Left-Hand-Side Expressions + + function parseArguments() { + var args = [], arg; + + expect('('); + + if (!match(')')) { + while (index < length) { + arg = parseSpreadOrAssignmentExpression(); + args.push(arg); + + if (match(')')) { + break; + } else if (arg.type === Syntax.SpreadElement) { + throwError({}, Messages.ElementAfterSpreadElement); + } + + expect(','); + } + } + + expect(')'); + + return args; + } + + function parseSpreadOrAssignmentExpression() { + if (match('...')) { + var marker = markerCreate(); + lex(); + return markerApply(marker, delegate.createSpreadElement(parseAssignmentExpression())); + } + return parseAssignmentExpression(); + } + + function parseNonComputedProperty() { + var marker = markerCreate(), + token = lex(); + + if (!isIdentifierName(token)) { + throwUnexpected(token); + } + + return markerApply(marker, delegate.createIdentifier(token.value)); + } + + function parseNonComputedMember() { + expect('.'); + + return parseNonComputedProperty(); + } + + function parseComputedMember() { + var expr; + + expect('['); + + expr = parseExpression(); + + expect(']'); + + return expr; + } + + function parseNewExpression() { + var callee, args, marker = markerCreate(); + + expectKeyword('new'); + callee = parseLeftHandSideExpression(); + args = match('(') ? parseArguments() : []; + + return markerApply(marker, delegate.createNewExpression(callee, args)); + } + + function parseLeftHandSideExpressionAllowCall() { + var expr, args, marker = markerCreate(); + + expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); + + while (match('.') || match('[') || match('(') || lookahead.type === Token.Template) { + if (match('(')) { + args = parseArguments(); + expr = markerApply(marker, delegate.createCallExpression(expr, args)); + } else if (match('[')) { + expr = markerApply(marker, delegate.createMemberExpression('[', expr, parseComputedMember())); + } else if (match('.')) { + expr = markerApply(marker, delegate.createMemberExpression('.', expr, parseNonComputedMember())); + } else { + expr = markerApply(marker, delegate.createTaggedTemplateExpression(expr, parseTemplateLiteral())); + } + } + + return expr; + } + + function parseLeftHandSideExpression() { + var expr, marker = markerCreate(); + + expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); + + while (match('.') || match('[') || lookahead.type === Token.Template) { + if (match('[')) { + expr = markerApply(marker, delegate.createMemberExpression('[', expr, parseComputedMember())); + } else if (match('.')) { + expr = markerApply(marker, delegate.createMemberExpression('.', expr, parseNonComputedMember())); + } else { + expr = markerApply(marker, delegate.createTaggedTemplateExpression(expr, parseTemplateLiteral())); + } + } + + return expr; + } + + // 11.3 Postfix Expressions + + function parsePostfixExpression() { + var marker = markerCreate(), + expr = parseLeftHandSideExpressionAllowCall(), + token; + + if (lookahead.type !== Token.Punctuator) { + return expr; + } + + if ((match('++') || match('--')) && !peekLineTerminator()) { + // 11.3.1, 11.3.2 + if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { + throwErrorTolerant({}, Messages.StrictLHSPostfix); + } + + if (!isLeftHandSide(expr)) { + throwError({}, Messages.InvalidLHSInAssignment); + } + + token = lex(); + expr = markerApply(marker, delegate.createPostfixExpression(token.value, expr)); + } + + return expr; + } + + // 11.4 Unary Operators + + function parseUnaryExpression() { + var marker, token, expr; + + if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) { + return parsePostfixExpression(); + } + + if (match('++') || match('--')) { + marker = markerCreate(); + token = lex(); + expr = parseUnaryExpression(); + // 11.4.4, 11.4.5 + if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { + throwErrorTolerant({}, Messages.StrictLHSPrefix); + } + + if (!isLeftHandSide(expr)) { + throwError({}, Messages.InvalidLHSInAssignment); + } + + return markerApply(marker, delegate.createUnaryExpression(token.value, expr)); + } + + if (match('+') || match('-') || match('~') || match('!')) { + marker = markerCreate(); + token = lex(); + expr = parseUnaryExpression(); + return markerApply(marker, delegate.createUnaryExpression(token.value, expr)); + } + + if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) { + marker = markerCreate(); + token = lex(); + expr = parseUnaryExpression(); + expr = markerApply(marker, delegate.createUnaryExpression(token.value, expr)); + if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) { + throwErrorTolerant({}, Messages.StrictDelete); + } + return expr; + } + + return parsePostfixExpression(); + } + + function binaryPrecedence(token, allowIn) { + var prec = 0; + + if (token.type !== Token.Punctuator && token.type !== Token.Keyword) { + return 0; + } + + switch (token.value) { + case '||': + prec = 1; + break; + + case '&&': + prec = 2; + break; + + case '|': + prec = 3; + break; + + case '^': + prec = 4; + break; + + case '&': + prec = 5; + break; + + case '==': + case '!=': + case '===': + case '!==': + prec = 6; + break; + + case '<': + case '>': + case '<=': + case '>=': + case 'instanceof': + prec = 7; + break; + + case 'in': + prec = allowIn ? 7 : 0; + break; + + case '<<': + case '>>': + case '>>>': + prec = 8; + break; + + case '+': + case '-': + prec = 9; + break; + + case '*': + case '/': + case '%': + prec = 11; + break; + + default: + break; + } + + return prec; + } + + // 11.5 Multiplicative Operators + // 11.6 Additive Operators + // 11.7 Bitwise Shift Operators + // 11.8 Relational Operators + // 11.9 Equality Operators + // 11.10 Binary Bitwise Operators + // 11.11 Binary Logical Operators + + function parseBinaryExpression() { + var expr, token, prec, previousAllowIn, stack, right, operator, left, i, + marker, markers; + + previousAllowIn = state.allowIn; + state.allowIn = true; + + marker = markerCreate(); + left = parseUnaryExpression(); + + token = lookahead; + prec = binaryPrecedence(token, previousAllowIn); + if (prec === 0) { + return left; + } + token.prec = prec; + lex(); + + markers = [marker, markerCreate()]; + right = parseUnaryExpression(); + + stack = [left, token, right]; + + while ((prec = binaryPrecedence(lookahead, previousAllowIn)) > 0) { + + // Reduce: make a binary expression from the three topmost entries. + while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) { + right = stack.pop(); + operator = stack.pop().value; + left = stack.pop(); + expr = delegate.createBinaryExpression(operator, left, right); + markers.pop(); + marker = markers.pop(); + markerApply(marker, expr); + stack.push(expr); + markers.push(marker); + } + + // Shift. + token = lex(); + token.prec = prec; + stack.push(token); + markers.push(markerCreate()); + expr = parseUnaryExpression(); + stack.push(expr); + } + + state.allowIn = previousAllowIn; + + // Final reduce to clean-up the stack. + i = stack.length - 1; + expr = stack[i]; + markers.pop(); + while (i > 1) { + expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr); + i -= 2; + marker = markers.pop(); + markerApply(marker, expr); + } + + return expr; + } + + + // 11.12 Conditional Operator + + function parseConditionalExpression() { + var expr, previousAllowIn, consequent, alternate, marker = markerCreate(); + expr = parseBinaryExpression(); + + if (match('?')) { + lex(); + previousAllowIn = state.allowIn; + state.allowIn = true; + consequent = parseAssignmentExpression(); + state.allowIn = previousAllowIn; + expect(':'); + alternate = parseAssignmentExpression(); + + expr = markerApply(marker, delegate.createConditionalExpression(expr, consequent, alternate)); + } + + return expr; + } + + // 11.13 Assignment Operators + + // 12.14.5 AssignmentPattern + + function reinterpretAsAssignmentBindingPattern(expr) { + var i, len, property, element; + + if (expr.type === Syntax.ObjectExpression) { + expr.type = Syntax.ObjectPattern; + for (i = 0, len = expr.properties.length; i < len; i += 1) { + property = expr.properties[i]; + if (property.type === Syntax.SpreadProperty) { + if (i < len - 1) { + throwError({}, Messages.PropertyAfterSpreadProperty); + } + reinterpretAsAssignmentBindingPattern(property.argument); + } else { + if (property.kind !== 'init') { + throwError({}, Messages.InvalidLHSInAssignment); + } + reinterpretAsAssignmentBindingPattern(property.value); + } + } + } else if (expr.type === Syntax.ArrayExpression) { + expr.type = Syntax.ArrayPattern; + for (i = 0, len = expr.elements.length; i < len; i += 1) { + element = expr.elements[i]; + /* istanbul ignore else */ + if (element) { + reinterpretAsAssignmentBindingPattern(element); + } + } + } else if (expr.type === Syntax.Identifier) { + if (isRestrictedWord(expr.name)) { + throwError({}, Messages.InvalidLHSInAssignment); + } + } else if (expr.type === Syntax.SpreadElement) { + reinterpretAsAssignmentBindingPattern(expr.argument); + if (expr.argument.type === Syntax.ObjectPattern) { + throwError({}, Messages.ObjectPatternAsSpread); + } + } else { + /* istanbul ignore else */ + if (expr.type !== Syntax.MemberExpression && expr.type !== Syntax.CallExpression && expr.type !== Syntax.NewExpression) { + throwError({}, Messages.InvalidLHSInAssignment); + } + } + } + + // 13.2.3 BindingPattern + + function reinterpretAsDestructuredParameter(options, expr) { + var i, len, property, element; + + if (expr.type === Syntax.ObjectExpression) { + expr.type = Syntax.ObjectPattern; + for (i = 0, len = expr.properties.length; i < len; i += 1) { + property = expr.properties[i]; + if (property.type === Syntax.SpreadProperty) { + if (i < len - 1) { + throwError({}, Messages.PropertyAfterSpreadProperty); + } + reinterpretAsDestructuredParameter(options, property.argument); + } else { + if (property.kind !== 'init') { + throwError({}, Messages.InvalidLHSInFormalsList); + } + reinterpretAsDestructuredParameter(options, property.value); + } + } + } else if (expr.type === Syntax.ArrayExpression) { + expr.type = Syntax.ArrayPattern; + for (i = 0, len = expr.elements.length; i < len; i += 1) { + element = expr.elements[i]; + if (element) { + reinterpretAsDestructuredParameter(options, element); + } + } + } else if (expr.type === Syntax.Identifier) { + validateParam(options, expr, expr.name); + } else if (expr.type === Syntax.SpreadElement) { + // BindingRestElement only allows BindingIdentifier + if (expr.argument.type !== Syntax.Identifier) { + throwError({}, Messages.InvalidLHSInFormalsList); + } + validateParam(options, expr.argument, expr.argument.name); + } else { + throwError({}, Messages.InvalidLHSInFormalsList); + } + } + + function reinterpretAsCoverFormalsList(expressions) { + var i, len, param, params, defaults, defaultCount, options, rest; + + params = []; + defaults = []; + defaultCount = 0; + rest = null; + options = { + paramSet: new StringMap() + }; + + for (i = 0, len = expressions.length; i < len; i += 1) { + param = expressions[i]; + if (param.type === Syntax.Identifier) { + params.push(param); + defaults.push(null); + validateParam(options, param, param.name); + } else if (param.type === Syntax.ObjectExpression || param.type === Syntax.ArrayExpression) { + reinterpretAsDestructuredParameter(options, param); + params.push(param); + defaults.push(null); + } else if (param.type === Syntax.SpreadElement) { + assert(i === len - 1, 'It is guaranteed that SpreadElement is last element by parseExpression'); + if (param.argument.type !== Syntax.Identifier) { + throwError({}, Messages.InvalidLHSInFormalsList); + } + reinterpretAsDestructuredParameter(options, param.argument); + rest = param.argument; + } else if (param.type === Syntax.AssignmentExpression) { + params.push(param.left); + defaults.push(param.right); + ++defaultCount; + validateParam(options, param.left, param.left.name); + } else { + return null; + } + } + + if (options.message === Messages.StrictParamDupe) { + throwError( + strict ? options.stricted : options.firstRestricted, + options.message + ); + } + + if (defaultCount === 0) { + defaults = []; + } + + return { + params: params, + defaults: defaults, + rest: rest, + stricted: options.stricted, + firstRestricted: options.firstRestricted, + message: options.message + }; + } + + function parseArrowFunctionExpression(options, marker) { + var previousStrict, previousYieldAllowed, previousAwaitAllowed, body; + + expect('=>'); + + previousStrict = strict; + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = false; + previousAwaitAllowed = state.awaitAllowed; + state.awaitAllowed = !!options.async; + body = parseConciseBody(); + + if (strict && options.firstRestricted) { + throwError(options.firstRestricted, options.message); + } + if (strict && options.stricted) { + throwErrorTolerant(options.stricted, options.message); + } + + strict = previousStrict; + state.yieldAllowed = previousYieldAllowed; + state.awaitAllowed = previousAwaitAllowed; + + return markerApply(marker, delegate.createArrowFunctionExpression( + options.params, + options.defaults, + body, + options.rest, + body.type !== Syntax.BlockStatement, + !!options.async + )); + } + + function parseAssignmentExpression() { + var marker, expr, token, params, oldParenthesizedCount, + startsWithParen = false, backtrackToken = lookahead, + possiblyAsync = false; + + if (matchYield()) { + return parseYieldExpression(); + } + + if (matchAwait()) { + return parseAwaitExpression(); + } + + oldParenthesizedCount = state.parenthesizedCount; + + marker = markerCreate(); + + if (matchAsyncFuncExprOrDecl()) { + return parseFunctionExpression(); + } + + if (matchAsync()) { + // We can't be completely sure that this 'async' token is + // actually a contextual keyword modifying a function + // expression, so we might have to un-lex() it later by + // calling rewind(backtrackToken). + possiblyAsync = true; + lex(); + } + + if (match('(')) { + token = lookahead2(); + if ((token.type === Token.Punctuator && token.value === ')') || token.value === '...') { + params = parseParams(); + if (!match('=>')) { + throwUnexpected(lex()); + } + params.async = possiblyAsync; + return parseArrowFunctionExpression(params, marker); + } + startsWithParen = true; + } + + token = lookahead; + + // If the 'async' keyword is not followed by a '(' character or an + // identifier, then it can't be an arrow function modifier, and we + // should interpret it as a normal identifer. + if (possiblyAsync && !match('(') && token.type !== Token.Identifier) { + possiblyAsync = false; + rewind(backtrackToken); + } + + expr = parseConditionalExpression(); + + if (match('=>') && + (state.parenthesizedCount === oldParenthesizedCount || + state.parenthesizedCount === (oldParenthesizedCount + 1))) { + if (expr.type === Syntax.Identifier) { + params = reinterpretAsCoverFormalsList([ expr ]); + } else if (expr.type === Syntax.AssignmentExpression || + expr.type === Syntax.ArrayExpression || + expr.type === Syntax.ObjectExpression) { + if (!startsWithParen) { + throwUnexpected(lex()); + } + params = reinterpretAsCoverFormalsList([ expr ]); + } else if (expr.type === Syntax.SequenceExpression) { + params = reinterpretAsCoverFormalsList(expr.expressions); + } + if (params) { + params.async = possiblyAsync; + return parseArrowFunctionExpression(params, marker); + } + } + + // If we haven't returned by now, then the 'async' keyword was not + // a function modifier, and we should rewind and interpret it as a + // normal identifier. + if (possiblyAsync) { + possiblyAsync = false; + rewind(backtrackToken); + expr = parseConditionalExpression(); + } + + if (matchAssign()) { + // 11.13.1 + if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { + throwErrorTolerant(token, Messages.StrictLHSAssignment); + } + + // ES.next draf 11.13 Runtime Semantics step 1 + if (match('=') && (expr.type === Syntax.ObjectExpression || expr.type === Syntax.ArrayExpression)) { + reinterpretAsAssignmentBindingPattern(expr); + } else if (!isLeftHandSide(expr)) { + throwError({}, Messages.InvalidLHSInAssignment); + } + + expr = markerApply(marker, delegate.createAssignmentExpression(lex().value, expr, parseAssignmentExpression())); + } + + return expr; + } + + // 11.14 Comma Operator + + function parseExpression() { + var marker, expr, expressions, sequence, spreadFound; + + marker = markerCreate(); + expr = parseAssignmentExpression(); + expressions = [ expr ]; + + if (match(',')) { + while (index < length) { + if (!match(',')) { + break; + } + + lex(); + expr = parseSpreadOrAssignmentExpression(); + expressions.push(expr); + + if (expr.type === Syntax.SpreadElement) { + spreadFound = true; + if (!match(')')) { + throwError({}, Messages.ElementAfterSpreadElement); + } + break; + } + } + + sequence = markerApply(marker, delegate.createSequenceExpression(expressions)); + } + + if (spreadFound && lookahead2().value !== '=>') { + throwError({}, Messages.IllegalSpread); + } + + return sequence || expr; + } + + // 12.1 Block + + function parseStatementList() { + var list = [], + statement; + + while (index < length) { + if (match('}')) { + break; + } + statement = parseSourceElement(); + if (typeof statement === 'undefined') { + break; + } + list.push(statement); + } + + return list; + } + + function parseBlock() { + var block, marker = markerCreate(); + + expect('{'); + + block = parseStatementList(); + + expect('}'); + + return markerApply(marker, delegate.createBlockStatement(block)); + } + + // 12.2 Variable Statement + + function parseTypeParameterDeclaration() { + var marker = markerCreate(), paramTypes = []; + + expect('<'); + while (!match('>')) { + paramTypes.push(parseTypeAnnotatableIdentifier()); + if (!match('>')) { + expect(','); + } + } + expect('>'); + + return markerApply(marker, delegate.createTypeParameterDeclaration( + paramTypes + )); + } + + function parseTypeParameterInstantiation() { + var marker = markerCreate(), oldInType = state.inType, paramTypes = []; + + state.inType = true; + + expect('<'); + while (!match('>')) { + paramTypes.push(parseType()); + if (!match('>')) { + expect(','); + } + } + expect('>'); + + state.inType = oldInType; + + return markerApply(marker, delegate.createTypeParameterInstantiation( + paramTypes + )); + } + + function parseObjectTypeIndexer(marker, isStatic) { + var id, key, value; + + expect('['); + id = parseObjectPropertyKey(); + expect(':'); + key = parseType(); + expect(']'); + expect(':'); + value = parseType(); + + return markerApply(marker, delegate.createObjectTypeIndexer( + id, + key, + value, + isStatic + )); + } + + function parseObjectTypeMethodish(marker) { + var params = [], rest = null, returnType, typeParameters = null; + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + expect('('); + while (lookahead.type === Token.Identifier) { + params.push(parseFunctionTypeParam()); + if (!match(')')) { + expect(','); + } + } + + if (match('...')) { + lex(); + rest = parseFunctionTypeParam(); + } + expect(')'); + expect(':'); + returnType = parseType(); + + return markerApply(marker, delegate.createFunctionTypeAnnotation( + params, + returnType, + rest, + typeParameters + )); + } + + function parseObjectTypeMethod(marker, isStatic, key) { + var optional = false, value; + value = parseObjectTypeMethodish(marker); + + return markerApply(marker, delegate.createObjectTypeProperty( + key, + value, + optional, + isStatic + )); + } + + function parseObjectTypeCallProperty(marker, isStatic) { + var valueMarker = markerCreate(); + return markerApply(marker, delegate.createObjectTypeCallProperty( + parseObjectTypeMethodish(valueMarker), + isStatic + )); + } + + function parseObjectType(allowStatic) { + var callProperties = [], indexers = [], marker, optional = false, + properties = [], propertyKey, propertyTypeAnnotation, + token, isStatic, matchStatic; + + expect('{'); + + while (!match('}')) { + marker = markerCreate(); + matchStatic = + strict + ? matchKeyword('static') + : matchContextualKeyword('static'); + + if (allowStatic && matchStatic) { + token = lex(); + isStatic = true; + } + + if (match('[')) { + indexers.push(parseObjectTypeIndexer(marker, isStatic)); + } else if (match('(') || match('<')) { + callProperties.push(parseObjectTypeCallProperty(marker, allowStatic)); + } else { + if (isStatic && match(':')) { + propertyKey = markerApply(marker, delegate.createIdentifier(token)); + throwErrorTolerant(token, Messages.StrictReservedWord); + } else { + propertyKey = parseObjectPropertyKey(); + } + if (match('<') || match('(')) { + // This is a method property + properties.push(parseObjectTypeMethod(marker, isStatic, propertyKey)); + } else { + if (match('?')) { + lex(); + optional = true; + } + expect(':'); + propertyTypeAnnotation = parseType(); + properties.push(markerApply(marker, delegate.createObjectTypeProperty( + propertyKey, + propertyTypeAnnotation, + optional, + isStatic + ))); + } + } + + if (match(';')) { + lex(); + } else if (!match('}')) { + throwUnexpected(lookahead); + } + } + + expect('}'); + + return delegate.createObjectTypeAnnotation( + properties, + indexers, + callProperties + ); + } + + function parseGenericType() { + var marker = markerCreate(), + typeParameters = null, typeIdentifier; + + typeIdentifier = parseVariableIdentifier(); + + while (match('.')) { + expect('.'); + typeIdentifier = markerApply(marker, delegate.createQualifiedTypeIdentifier( + typeIdentifier, + parseVariableIdentifier() + )); + } + + if (match('<')) { + typeParameters = parseTypeParameterInstantiation(); + } + + return markerApply(marker, delegate.createGenericTypeAnnotation( + typeIdentifier, + typeParameters + )); + } + + function parseVoidType() { + var marker = markerCreate(); + expectKeyword('void'); + return markerApply(marker, delegate.createVoidTypeAnnotation()); + } + + function parseTypeofType() { + var argument, marker = markerCreate(); + expectKeyword('typeof'); + argument = parsePrimaryType(); + return markerApply(marker, delegate.createTypeofTypeAnnotation( + argument + )); + } + + function parseTupleType() { + var marker = markerCreate(), types = []; + expect('['); + // We allow trailing commas + while (index < length && !match(']')) { + types.push(parseType()); + if (match(']')) { + break; + } + expect(','); + } + expect(']'); + return markerApply(marker, delegate.createTupleTypeAnnotation( + types + )); + } + + function parseFunctionTypeParam() { + var marker = markerCreate(), name, optional = false, typeAnnotation; + name = parseVariableIdentifier(); + if (match('?')) { + lex(); + optional = true; + } + expect(':'); + typeAnnotation = parseType(); + return markerApply(marker, delegate.createFunctionTypeParam( + name, + typeAnnotation, + optional + )); + } + + function parseFunctionTypeParams() { + var ret = { params: [], rest: null }; + while (lookahead.type === Token.Identifier) { + ret.params.push(parseFunctionTypeParam()); + if (!match(')')) { + expect(','); + } + } + + if (match('...')) { + lex(); + ret.rest = parseFunctionTypeParam(); + } + return ret; + } + + // The parsing of types roughly parallels the parsing of expressions, and + // primary types are kind of like primary expressions...they're the + // primitives with which other types are constructed. + function parsePrimaryType() { + var params = null, returnType = null, + marker = markerCreate(), rest = null, tmp, + typeParameters, token, type, isGroupedType = false; + + switch (lookahead.type) { + case Token.Identifier: + switch (lookahead.value) { + case 'any': + lex(); + return markerApply(marker, delegate.createAnyTypeAnnotation()); + case 'bool': // fallthrough + case 'boolean': + lex(); + return markerApply(marker, delegate.createBooleanTypeAnnotation()); + case 'number': + lex(); + return markerApply(marker, delegate.createNumberTypeAnnotation()); + case 'string': + lex(); + return markerApply(marker, delegate.createStringTypeAnnotation()); + } + return markerApply(marker, parseGenericType()); + case Token.Punctuator: + switch (lookahead.value) { + case '{': + return markerApply(marker, parseObjectType()); + case '[': + return parseTupleType(); + case '<': + typeParameters = parseTypeParameterDeclaration(); + expect('('); + tmp = parseFunctionTypeParams(); + params = tmp.params; + rest = tmp.rest; + expect(')'); + + expect('=>'); + + returnType = parseType(); + + return markerApply(marker, delegate.createFunctionTypeAnnotation( + params, + returnType, + rest, + typeParameters + )); + case '(': + lex(); + // Check to see if this is actually a grouped type + if (!match(')') && !match('...')) { + if (lookahead.type === Token.Identifier) { + token = lookahead2(); + isGroupedType = token.value !== '?' && token.value !== ':'; + } else { + isGroupedType = true; + } + } + + if (isGroupedType) { + type = parseType(); + expect(')'); + + // If we see a => next then someone was probably confused about + // function types, so we can provide a better error message + if (match('=>')) { + throwError({}, Messages.ConfusedAboutFunctionType); + } + + return type; + } + + tmp = parseFunctionTypeParams(); + params = tmp.params; + rest = tmp.rest; + + expect(')'); + + expect('=>'); + + returnType = parseType(); + + return markerApply(marker, delegate.createFunctionTypeAnnotation( + params, + returnType, + rest, + null /* typeParameters */ + )); + } + break; + case Token.Keyword: + switch (lookahead.value) { + case 'void': + return markerApply(marker, parseVoidType()); + case 'typeof': + return markerApply(marker, parseTypeofType()); + } + break; + case Token.StringLiteral: + token = lex(); + if (token.octal) { + throwError(token, Messages.StrictOctalLiteral); + } + return markerApply(marker, delegate.createStringLiteralTypeAnnotation( + token + )); + } + + throwUnexpected(lookahead); + } + + function parsePostfixType() { + var marker = markerCreate(), t = parsePrimaryType(); + if (match('[')) { + expect('['); + expect(']'); + return markerApply(marker, delegate.createArrayTypeAnnotation(t)); + } + return t; + } + + function parsePrefixType() { + var marker = markerCreate(); + if (match('?')) { + lex(); + return markerApply(marker, delegate.createNullableTypeAnnotation( + parsePrefixType() + )); + } + return parsePostfixType(); + } + + + function parseIntersectionType() { + var marker = markerCreate(), type, types; + type = parsePrefixType(); + types = [type]; + while (match('&')) { + lex(); + types.push(parsePrefixType()); + } + + return types.length === 1 ? + type : + markerApply(marker, delegate.createIntersectionTypeAnnotation( + types + )); + } + + function parseUnionType() { + var marker = markerCreate(), type, types; + type = parseIntersectionType(); + types = [type]; + while (match('|')) { + lex(); + types.push(parseIntersectionType()); + } + return types.length === 1 ? + type : + markerApply(marker, delegate.createUnionTypeAnnotation( + types + )); + } + + function parseType() { + var oldInType = state.inType, type; + state.inType = true; + + type = parseUnionType(); + + state.inType = oldInType; + return type; + } + + function parseTypeAnnotation() { + var marker = markerCreate(), type; + + expect(':'); + type = parseType(); + + return markerApply(marker, delegate.createTypeAnnotation(type)); + } + + function parseVariableIdentifier() { + var marker = markerCreate(), + token = lex(); + + if (token.type !== Token.Identifier) { + throwUnexpected(token); + } + + return markerApply(marker, delegate.createIdentifier(token.value)); + } + + function parseTypeAnnotatableIdentifier(requireTypeAnnotation, canBeOptionalParam) { + var marker = markerCreate(), + ident = parseVariableIdentifier(), + isOptionalParam = false; + + if (canBeOptionalParam && match('?')) { + expect('?'); + isOptionalParam = true; + } + + if (requireTypeAnnotation || match(':')) { + ident.typeAnnotation = parseTypeAnnotation(); + ident = markerApply(marker, ident); + } + + if (isOptionalParam) { + ident.optional = true; + ident = markerApply(marker, ident); + } + + return ident; + } + + function parseVariableDeclaration(kind) { + var id, + marker = markerCreate(), + init = null, + typeAnnotationMarker = markerCreate(); + if (match('{')) { + id = parseObjectInitialiser(); + reinterpretAsAssignmentBindingPattern(id); + if (match(':')) { + id.typeAnnotation = parseTypeAnnotation(); + markerApply(typeAnnotationMarker, id); + } + } else if (match('[')) { + id = parseArrayInitialiser(); + reinterpretAsAssignmentBindingPattern(id); + if (match(':')) { + id.typeAnnotation = parseTypeAnnotation(); + markerApply(typeAnnotationMarker, id); + } + } else { + /* istanbul ignore next */ + id = state.allowKeyword ? parseNonComputedProperty() : parseTypeAnnotatableIdentifier(); + // 12.2.1 + if (strict && isRestrictedWord(id.name)) { + throwErrorTolerant({}, Messages.StrictVarName); + } + } + + if (kind === 'const') { + if (!match('=')) { + throwError({}, Messages.NoUninitializedConst); + } + expect('='); + init = parseAssignmentExpression(); + } else if (match('=')) { + lex(); + init = parseAssignmentExpression(); + } + + return markerApply(marker, delegate.createVariableDeclarator(id, init)); + } + + function parseVariableDeclarationList(kind) { + var list = []; + + do { + list.push(parseVariableDeclaration(kind)); + if (!match(',')) { + break; + } + lex(); + } while (index < length); + + return list; + } + + function parseVariableStatement() { + var declarations, marker = markerCreate(); + + expectKeyword('var'); + + declarations = parseVariableDeclarationList(); + + consumeSemicolon(); + + return markerApply(marker, delegate.createVariableDeclaration(declarations, 'var')); + } + + // kind may be `const` or `let` + // Both are experimental and not in the specification yet. + // see http://wiki.ecmascript.org/doku.php?id=harmony:const + // and http://wiki.ecmascript.org/doku.php?id=harmony:let + function parseConstLetDeclaration(kind) { + var declarations, marker = markerCreate(); + + expectKeyword(kind); + + declarations = parseVariableDeclarationList(kind); + + consumeSemicolon(); + + return markerApply(marker, delegate.createVariableDeclaration(declarations, kind)); + } + + // people.mozilla.org/~jorendorff/es6-draft.html + + function parseModuleSpecifier() { + var marker = markerCreate(), + specifier; + + if (lookahead.type !== Token.StringLiteral) { + throwError({}, Messages.InvalidModuleSpecifier); + } + specifier = delegate.createModuleSpecifier(lookahead); + lex(); + return markerApply(marker, specifier); + } + + function parseExportBatchSpecifier() { + var marker = markerCreate(); + expect('*'); + return markerApply(marker, delegate.createExportBatchSpecifier()); + } + + function parseExportSpecifier() { + var id, name = null, marker = markerCreate(), from; + if (matchKeyword('default')) { + lex(); + id = markerApply(marker, delegate.createIdentifier('default')); + // export {default} from "something"; + } else { + id = parseVariableIdentifier(); + } + if (matchContextualKeyword('as')) { + lex(); + name = parseNonComputedProperty(); + } + + return markerApply(marker, delegate.createExportSpecifier(id, name)); + } + + function parseExportDeclaration() { + var declaration = null, + possibleIdentifierToken, sourceElement, + isExportFromIdentifier, + src = null, specifiers = [], + marker = markerCreate(); + + expectKeyword('export'); + + if (matchKeyword('default')) { + // covers: + // export default ... + lex(); + if (matchKeyword('function') || matchKeyword('class')) { + possibleIdentifierToken = lookahead2(); + if (isIdentifierName(possibleIdentifierToken)) { + // covers: + // export default function foo () {} + // export default class foo {} + sourceElement = parseSourceElement(); + return markerApply(marker, delegate.createExportDeclaration(true, sourceElement, [sourceElement.id], null)); + } + // covers: + // export default function () {} + // export default class {} + switch (lookahead.value) { + case 'class': + return markerApply(marker, delegate.createExportDeclaration(true, parseClassExpression(), [], null)); + case 'function': + return markerApply(marker, delegate.createExportDeclaration(true, parseFunctionExpression(), [], null)); + } + } + + if (matchContextualKeyword('from')) { + throwError({}, Messages.UnexpectedToken, lookahead.value); + } + + // covers: + // export default {}; + // export default []; + if (match('{')) { + declaration = parseObjectInitialiser(); + } else if (match('[')) { + declaration = parseArrayInitialiser(); + } else { + declaration = parseAssignmentExpression(); + } + consumeSemicolon(); + return markerApply(marker, delegate.createExportDeclaration(true, declaration, [], null)); + } + + // non-default export + if (lookahead.type === Token.Keyword || matchContextualKeyword('type')) { + // covers: + // export var f = 1; + switch (lookahead.value) { + case 'type': + case 'let': + case 'const': + case 'var': + case 'class': + case 'function': + return markerApply(marker, delegate.createExportDeclaration(false, parseSourceElement(), specifiers, null)); + } + } + + if (match('*')) { + // covers: + // export * from "foo"; + specifiers.push(parseExportBatchSpecifier()); + + if (!matchContextualKeyword('from')) { + throwError({}, lookahead.value ? + Messages.UnexpectedToken : Messages.MissingFromClause, lookahead.value); + } + lex(); + src = parseModuleSpecifier(); + consumeSemicolon(); + + return markerApply(marker, delegate.createExportDeclaration(false, null, specifiers, src)); + } + + expect('{'); + if (!match('}')) { + do { + isExportFromIdentifier = isExportFromIdentifier || matchKeyword('default'); + specifiers.push(parseExportSpecifier()); + } while (match(',') && lex()); + } + expect('}'); + + if (matchContextualKeyword('from')) { + // covering: + // export {default} from "foo"; + // export {foo} from "foo"; + lex(); + src = parseModuleSpecifier(); + consumeSemicolon(); + } else if (isExportFromIdentifier) { + // covering: + // export {default}; // missing fromClause + throwError({}, lookahead.value ? + Messages.UnexpectedToken : Messages.MissingFromClause, lookahead.value); + } else { + // cover + // export {foo}; + consumeSemicolon(); + } + return markerApply(marker, delegate.createExportDeclaration(false, declaration, specifiers, src)); + } + + + function parseImportSpecifier() { + // import {} ...; + var id, name = null, marker = markerCreate(); + + id = parseNonComputedProperty(); + if (matchContextualKeyword('as')) { + lex(); + name = parseVariableIdentifier(); + } + + return markerApply(marker, delegate.createImportSpecifier(id, name)); + } + + function parseNamedImports() { + var specifiers = []; + // {foo, bar as bas} + expect('{'); + if (!match('}')) { + do { + specifiers.push(parseImportSpecifier()); + } while (match(',') && lex()); + } + expect('}'); + return specifiers; + } + + function parseImportDefaultSpecifier() { + // import ...; + var id, marker = markerCreate(); + + id = parseNonComputedProperty(); + + return markerApply(marker, delegate.createImportDefaultSpecifier(id)); + } + + function parseImportNamespaceSpecifier() { + // import <* as foo> ...; + var id, marker = markerCreate(); + + expect('*'); + if (!matchContextualKeyword('as')) { + throwError({}, Messages.NoAsAfterImportNamespace); + } + lex(); + id = parseNonComputedProperty(); + + return markerApply(marker, delegate.createImportNamespaceSpecifier(id)); + } + + function parseImportDeclaration() { + var specifiers, src, marker = markerCreate(), isType = false, token2; + + expectKeyword('import'); + + if (matchContextualKeyword('type')) { + token2 = lookahead2(); + if ((token2.type === Token.Identifier && token2.value !== 'from') || + (token2.type === Token.Punctuator && + (token2.value === '{' || token2.value === '*'))) { + isType = true; + lex(); + } + } + + specifiers = []; + + if (lookahead.type === Token.StringLiteral) { + // covers: + // import "foo"; + src = parseModuleSpecifier(); + consumeSemicolon(); + return markerApply(marker, delegate.createImportDeclaration(specifiers, src, isType)); + } + + if (!matchKeyword('default') && isIdentifierName(lookahead)) { + // covers: + // import foo + // import foo, ... + specifiers.push(parseImportDefaultSpecifier()); + if (match(',')) { + lex(); + } + } + if (match('*')) { + // covers: + // import foo, * as foo + // import * as foo + specifiers.push(parseImportNamespaceSpecifier()); + } else if (match('{')) { + // covers: + // import foo, {bar} + // import {bar} + specifiers = specifiers.concat(parseNamedImports()); + } + + if (!matchContextualKeyword('from')) { + throwError({}, lookahead.value ? + Messages.UnexpectedToken : Messages.MissingFromClause, lookahead.value); + } + lex(); + src = parseModuleSpecifier(); + consumeSemicolon(); + + return markerApply(marker, delegate.createImportDeclaration(specifiers, src, isType)); + } + + // 12.3 Empty Statement + + function parseEmptyStatement() { + var marker = markerCreate(); + expect(';'); + return markerApply(marker, delegate.createEmptyStatement()); + } + + // 12.4 Expression Statement + + function parseExpressionStatement() { + var marker = markerCreate(), expr = parseExpression(); + consumeSemicolon(); + return markerApply(marker, delegate.createExpressionStatement(expr)); + } + + // 12.5 If statement + + function parseIfStatement() { + var test, consequent, alternate, marker = markerCreate(); + + expectKeyword('if'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + consequent = parseStatement(); + + if (matchKeyword('else')) { + lex(); + alternate = parseStatement(); + } else { + alternate = null; + } + + return markerApply(marker, delegate.createIfStatement(test, consequent, alternate)); + } + + // 12.6 Iteration Statements + + function parseDoWhileStatement() { + var body, test, oldInIteration, marker = markerCreate(); + + expectKeyword('do'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + body = parseStatement(); + + state.inIteration = oldInIteration; + + expectKeyword('while'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + if (match(';')) { + lex(); + } + + return markerApply(marker, delegate.createDoWhileStatement(body, test)); + } + + function parseWhileStatement() { + var test, body, oldInIteration, marker = markerCreate(); + + expectKeyword('while'); + + expect('('); + + test = parseExpression(); + + expect(')'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + body = parseStatement(); + + state.inIteration = oldInIteration; + + return markerApply(marker, delegate.createWhileStatement(test, body)); + } + + function parseForVariableDeclaration() { + var marker = markerCreate(), + token = lex(), + declarations = parseVariableDeclarationList(); + + return markerApply(marker, delegate.createVariableDeclaration(declarations, token.value)); + } + + function parseForStatement(opts) { + var init, test, update, left, right, body, operator, oldInIteration, + marker = markerCreate(); + init = test = update = null; + expectKeyword('for'); + + // http://wiki.ecmascript.org/doku.php?id=proposals:iterators_and_generators&s=each + if (matchContextualKeyword('each')) { + throwError({}, Messages.EachNotAllowed); + } + + expect('('); + + if (match(';')) { + lex(); + } else { + if (matchKeyword('var') || matchKeyword('let') || matchKeyword('const')) { + state.allowIn = false; + init = parseForVariableDeclaration(); + state.allowIn = true; + + if (init.declarations.length === 1) { + if (matchKeyword('in') || matchContextualKeyword('of')) { + operator = lookahead; + if (!((operator.value === 'in' || init.kind !== 'var') && init.declarations[0].init)) { + lex(); + left = init; + right = parseExpression(); + init = null; + } + } + } + } else { + state.allowIn = false; + init = parseExpression(); + state.allowIn = true; + + if (matchContextualKeyword('of')) { + operator = lex(); + left = init; + right = parseExpression(); + init = null; + } else if (matchKeyword('in')) { + // LeftHandSideExpression + if (!isAssignableLeftHandSide(init)) { + throwError({}, Messages.InvalidLHSInForIn); + } + operator = lex(); + left = init; + right = parseExpression(); + init = null; + } + } + + if (typeof left === 'undefined') { + expect(';'); + } + } + + if (typeof left === 'undefined') { + + if (!match(';')) { + test = parseExpression(); + } + expect(';'); + + if (!match(')')) { + update = parseExpression(); + } + } + + expect(')'); + + oldInIteration = state.inIteration; + state.inIteration = true; + + if (!(opts !== undefined && opts.ignoreBody)) { + body = parseStatement(); + } + + state.inIteration = oldInIteration; + + if (typeof left === 'undefined') { + return markerApply(marker, delegate.createForStatement(init, test, update, body)); + } + + if (operator.value === 'in') { + return markerApply(marker, delegate.createForInStatement(left, right, body)); + } + return markerApply(marker, delegate.createForOfStatement(left, right, body)); + } + + // 12.7 The continue statement + + function parseContinueStatement() { + var label = null, marker = markerCreate(); + + expectKeyword('continue'); + + // Optimize the most common form: 'continue;'. + if (source.charCodeAt(index) === 59) { + lex(); + + if (!state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return markerApply(marker, delegate.createContinueStatement(null)); + } + + if (peekLineTerminator()) { + if (!state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return markerApply(marker, delegate.createContinueStatement(null)); + } + + if (lookahead.type === Token.Identifier) { + label = parseVariableIdentifier(); + + if (!state.labelSet.has(label.name)) { + throwError({}, Messages.UnknownLabel, label.name); + } + } + + consumeSemicolon(); + + if (label === null && !state.inIteration) { + throwError({}, Messages.IllegalContinue); + } + + return markerApply(marker, delegate.createContinueStatement(label)); + } + + // 12.8 The break statement + + function parseBreakStatement() { + var label = null, marker = markerCreate(); + + expectKeyword('break'); + + // Catch the very common case first: immediately a semicolon (char #59). + if (source.charCodeAt(index) === 59) { + lex(); + + if (!(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return markerApply(marker, delegate.createBreakStatement(null)); + } + + if (peekLineTerminator()) { + if (!(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return markerApply(marker, delegate.createBreakStatement(null)); + } + + if (lookahead.type === Token.Identifier) { + label = parseVariableIdentifier(); + + if (!state.labelSet.has(label.name)) { + throwError({}, Messages.UnknownLabel, label.name); + } + } + + consumeSemicolon(); + + if (label === null && !(state.inIteration || state.inSwitch)) { + throwError({}, Messages.IllegalBreak); + } + + return markerApply(marker, delegate.createBreakStatement(label)); + } + + // 12.9 The return statement + + function parseReturnStatement() { + var argument = null, marker = markerCreate(); + + expectKeyword('return'); + + if (!state.inFunctionBody) { + throwErrorTolerant({}, Messages.IllegalReturn); + } + + // 'return' followed by a space and an identifier is very common. + if (source.charCodeAt(index) === 32) { + if (isIdentifierStart(source.charCodeAt(index + 1))) { + argument = parseExpression(); + consumeSemicolon(); + return markerApply(marker, delegate.createReturnStatement(argument)); + } + } + + if (peekLineTerminator()) { + return markerApply(marker, delegate.createReturnStatement(null)); + } + + if (!match(';')) { + if (!match('}') && lookahead.type !== Token.EOF) { + argument = parseExpression(); + } + } + + consumeSemicolon(); + + return markerApply(marker, delegate.createReturnStatement(argument)); + } + + // 12.10 The with statement + + function parseWithStatement() { + var object, body, marker = markerCreate(); + + if (strict) { + throwErrorTolerant({}, Messages.StrictModeWith); + } + + expectKeyword('with'); + + expect('('); + + object = parseExpression(); + + expect(')'); + + body = parseStatement(); + + return markerApply(marker, delegate.createWithStatement(object, body)); + } + + // 12.10 The swith statement + + function parseSwitchCase() { + var test, + consequent = [], + sourceElement, + marker = markerCreate(); + + if (matchKeyword('default')) { + lex(); + test = null; + } else { + expectKeyword('case'); + test = parseExpression(); + } + expect(':'); + + while (index < length) { + if (match('}') || matchKeyword('default') || matchKeyword('case')) { + break; + } + sourceElement = parseSourceElement(); + if (typeof sourceElement === 'undefined') { + break; + } + consequent.push(sourceElement); + } + + return markerApply(marker, delegate.createSwitchCase(test, consequent)); + } + + function parseSwitchStatement() { + var discriminant, cases, clause, oldInSwitch, defaultFound, marker = markerCreate(); + + expectKeyword('switch'); + + expect('('); + + discriminant = parseExpression(); + + expect(')'); + + expect('{'); + + cases = []; + + if (match('}')) { + lex(); + return markerApply(marker, delegate.createSwitchStatement(discriminant, cases)); + } + + oldInSwitch = state.inSwitch; + state.inSwitch = true; + defaultFound = false; + + while (index < length) { + if (match('}')) { + break; + } + clause = parseSwitchCase(); + if (clause.test === null) { + if (defaultFound) { + throwError({}, Messages.MultipleDefaultsInSwitch); + } + defaultFound = true; + } + cases.push(clause); + } + + state.inSwitch = oldInSwitch; + + expect('}'); + + return markerApply(marker, delegate.createSwitchStatement(discriminant, cases)); + } + + // 12.13 The throw statement + + function parseThrowStatement() { + var argument, marker = markerCreate(); + + expectKeyword('throw'); + + if (peekLineTerminator()) { + throwError({}, Messages.NewlineAfterThrow); + } + + argument = parseExpression(); + + consumeSemicolon(); + + return markerApply(marker, delegate.createThrowStatement(argument)); + } + + // 12.14 The try statement + + function parseCatchClause() { + var param, body, marker = markerCreate(); + + expectKeyword('catch'); + + expect('('); + if (match(')')) { + throwUnexpected(lookahead); + } + + param = parseExpression(); + // 12.14.1 + if (strict && param.type === Syntax.Identifier && isRestrictedWord(param.name)) { + throwErrorTolerant({}, Messages.StrictCatchVariable); + } + + expect(')'); + body = parseBlock(); + return markerApply(marker, delegate.createCatchClause(param, body)); + } + + function parseTryStatement() { + var block, handlers = [], finalizer = null, marker = markerCreate(); + + expectKeyword('try'); + + block = parseBlock(); + + if (matchKeyword('catch')) { + handlers.push(parseCatchClause()); + } + + if (matchKeyword('finally')) { + lex(); + finalizer = parseBlock(); + } + + if (handlers.length === 0 && !finalizer) { + throwError({}, Messages.NoCatchOrFinally); + } + + return markerApply(marker, delegate.createTryStatement(block, [], handlers, finalizer)); + } + + // 12.15 The debugger statement + + function parseDebuggerStatement() { + var marker = markerCreate(); + expectKeyword('debugger'); + + consumeSemicolon(); + + return markerApply(marker, delegate.createDebuggerStatement()); + } + + // 12 Statements + + function parseStatement() { + var type = lookahead.type, + marker, + expr, + labeledBody; + + if (type === Token.EOF) { + throwUnexpected(lookahead); + } + + if (type === Token.Punctuator) { + switch (lookahead.value) { + case ';': + return parseEmptyStatement(); + case '{': + return parseBlock(); + case '(': + return parseExpressionStatement(); + default: + break; + } + } + + if (type === Token.Keyword) { + switch (lookahead.value) { + case 'break': + return parseBreakStatement(); + case 'continue': + return parseContinueStatement(); + case 'debugger': + return parseDebuggerStatement(); + case 'do': + return parseDoWhileStatement(); + case 'for': + return parseForStatement(); + case 'function': + return parseFunctionDeclaration(); + case 'class': + return parseClassDeclaration(); + case 'if': + return parseIfStatement(); + case 'return': + return parseReturnStatement(); + case 'switch': + return parseSwitchStatement(); + case 'throw': + return parseThrowStatement(); + case 'try': + return parseTryStatement(); + case 'var': + return parseVariableStatement(); + case 'while': + return parseWhileStatement(); + case 'with': + return parseWithStatement(); + default: + break; + } + } + + if (matchAsyncFuncExprOrDecl()) { + return parseFunctionDeclaration(); + } + + marker = markerCreate(); + expr = parseExpression(); + + // 12.12 Labelled Statements + if ((expr.type === Syntax.Identifier) && match(':')) { + lex(); + + if (state.labelSet.has(expr.name)) { + throwError({}, Messages.Redeclaration, 'Label', expr.name); + } + + state.labelSet.set(expr.name, true); + labeledBody = parseStatement(); + state.labelSet["delete"](expr.name); + return markerApply(marker, delegate.createLabeledStatement(expr, labeledBody)); + } + + consumeSemicolon(); + + return markerApply(marker, delegate.createExpressionStatement(expr)); + } + + // 13 Function Definition + + function parseConciseBody() { + if (match('{')) { + return parseFunctionSourceElements(); + } + return parseAssignmentExpression(); + } + + function parseFunctionSourceElements() { + var sourceElement, sourceElements = [], token, directive, firstRestricted, + oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, oldParenthesizedCount, + marker = markerCreate(); + + expect('{'); + + while (index < length) { + if (lookahead.type !== Token.StringLiteral) { + break; + } + token = lookahead; + + sourceElement = parseSourceElement(); + sourceElements.push(sourceElement); + if (sourceElement.expression.type !== Syntax.Literal) { + // this is not directive + break; + } + directive = source.slice(token.range[0] + 1, token.range[1] - 1); + if (directive === 'use strict') { + strict = true; + if (firstRestricted) { + throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); + } + } else { + if (!firstRestricted && token.octal) { + firstRestricted = token; + } + } + } + + oldLabelSet = state.labelSet; + oldInIteration = state.inIteration; + oldInSwitch = state.inSwitch; + oldInFunctionBody = state.inFunctionBody; + oldParenthesizedCount = state.parenthesizedCount; + + state.labelSet = new StringMap(); + state.inIteration = false; + state.inSwitch = false; + state.inFunctionBody = true; + state.parenthesizedCount = 0; + + while (index < length) { + if (match('}')) { + break; + } + sourceElement = parseSourceElement(); + if (typeof sourceElement === 'undefined') { + break; + } + sourceElements.push(sourceElement); + } + + expect('}'); + + state.labelSet = oldLabelSet; + state.inIteration = oldInIteration; + state.inSwitch = oldInSwitch; + state.inFunctionBody = oldInFunctionBody; + state.parenthesizedCount = oldParenthesizedCount; + + return markerApply(marker, delegate.createBlockStatement(sourceElements)); + } + + function validateParam(options, param, name) { + if (strict) { + if (isRestrictedWord(name)) { + options.stricted = param; + options.message = Messages.StrictParamName; + } + if (options.paramSet.has(name)) { + options.stricted = param; + options.message = Messages.StrictParamDupe; + } + } else if (!options.firstRestricted) { + if (isRestrictedWord(name)) { + options.firstRestricted = param; + options.message = Messages.StrictParamName; + } else if (isStrictModeReservedWord(name)) { + options.firstRestricted = param; + options.message = Messages.StrictReservedWord; + } else if (options.paramSet.has(name)) { + options.firstRestricted = param; + options.message = Messages.StrictParamDupe; + } + } + options.paramSet.set(name, true); + } + + function parseParam(options) { + var marker, token, rest, param, def; + + token = lookahead; + if (token.value === '...') { + token = lex(); + rest = true; + } + + if (match('[')) { + marker = markerCreate(); + param = parseArrayInitialiser(); + reinterpretAsDestructuredParameter(options, param); + if (match(':')) { + param.typeAnnotation = parseTypeAnnotation(); + markerApply(marker, param); + } + } else if (match('{')) { + marker = markerCreate(); + if (rest) { + throwError({}, Messages.ObjectPatternAsRestParameter); + } + param = parseObjectInitialiser(); + reinterpretAsDestructuredParameter(options, param); + if (match(':')) { + param.typeAnnotation = parseTypeAnnotation(); + markerApply(marker, param); + } + } else { + param = + rest + ? parseTypeAnnotatableIdentifier( + false, /* requireTypeAnnotation */ + false /* canBeOptionalParam */ + ) + : parseTypeAnnotatableIdentifier( + false, /* requireTypeAnnotation */ + true /* canBeOptionalParam */ + ); + + validateParam(options, token, token.value); + } + + if (match('=')) { + if (rest) { + throwErrorTolerant(lookahead, Messages.DefaultRestParameter); + } + lex(); + def = parseAssignmentExpression(); + ++options.defaultCount; + } + + if (rest) { + if (!match(')')) { + throwError({}, Messages.ParameterAfterRestParameter); + } + options.rest = param; + return false; + } + + options.params.push(param); + options.defaults.push(def); + return !match(')'); + } + + function parseParams(firstRestricted) { + var options, marker = markerCreate(); + + options = { + params: [], + defaultCount: 0, + defaults: [], + rest: null, + firstRestricted: firstRestricted + }; + + expect('('); + + if (!match(')')) { + options.paramSet = new StringMap(); + while (index < length) { + if (!parseParam(options)) { + break; + } + expect(','); + } + } + + expect(')'); + + if (options.defaultCount === 0) { + options.defaults = []; + } + + if (match(':')) { + options.returnType = parseTypeAnnotation(); + } + + return markerApply(marker, options); + } + + function parseFunctionDeclaration() { + var id, body, token, tmp, firstRestricted, message, generator, isAsync, + previousStrict, previousYieldAllowed, previousAwaitAllowed, + marker = markerCreate(), typeParameters; + + isAsync = false; + if (matchAsync()) { + lex(); + isAsync = true; + } + + expectKeyword('function'); + + generator = false; + if (match('*')) { + lex(); + generator = true; + } + + token = lookahead; + + id = parseVariableIdentifier(); + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + if (strict) { + if (isRestrictedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictFunctionName); + } + } else { + if (isRestrictedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictFunctionName; + } else if (isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictReservedWord; + } + } + + tmp = parseParams(firstRestricted); + firstRestricted = tmp.firstRestricted; + if (tmp.message) { + message = tmp.message; + } + + previousStrict = strict; + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = generator; + previousAwaitAllowed = state.awaitAllowed; + state.awaitAllowed = isAsync; + + body = parseFunctionSourceElements(); + + if (strict && firstRestricted) { + throwError(firstRestricted, message); + } + if (strict && tmp.stricted) { + throwErrorTolerant(tmp.stricted, message); + } + strict = previousStrict; + state.yieldAllowed = previousYieldAllowed; + state.awaitAllowed = previousAwaitAllowed; + + return markerApply( + marker, + delegate.createFunctionDeclaration( + id, + tmp.params, + tmp.defaults, + body, + tmp.rest, + generator, + false, + isAsync, + tmp.returnType, + typeParameters + ) + ); + } + + function parseFunctionExpression() { + var token, id = null, firstRestricted, message, tmp, body, generator, isAsync, + previousStrict, previousYieldAllowed, previousAwaitAllowed, + marker = markerCreate(), typeParameters; + + isAsync = false; + if (matchAsync()) { + lex(); + isAsync = true; + } + + expectKeyword('function'); + + generator = false; + + if (match('*')) { + lex(); + generator = true; + } + + if (!match('(')) { + if (!match('<')) { + token = lookahead; + id = parseVariableIdentifier(); + + if (strict) { + if (isRestrictedWord(token.value)) { + throwErrorTolerant(token, Messages.StrictFunctionName); + } + } else { + if (isRestrictedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictFunctionName; + } else if (isStrictModeReservedWord(token.value)) { + firstRestricted = token; + message = Messages.StrictReservedWord; + } + } + } + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + } + + tmp = parseParams(firstRestricted); + firstRestricted = tmp.firstRestricted; + if (tmp.message) { + message = tmp.message; + } + + previousStrict = strict; + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = generator; + previousAwaitAllowed = state.awaitAllowed; + state.awaitAllowed = isAsync; + + body = parseFunctionSourceElements(); + + if (strict && firstRestricted) { + throwError(firstRestricted, message); + } + if (strict && tmp.stricted) { + throwErrorTolerant(tmp.stricted, message); + } + strict = previousStrict; + state.yieldAllowed = previousYieldAllowed; + state.awaitAllowed = previousAwaitAllowed; + + return markerApply( + marker, + delegate.createFunctionExpression( + id, + tmp.params, + tmp.defaults, + body, + tmp.rest, + generator, + false, + isAsync, + tmp.returnType, + typeParameters + ) + ); + } + + function parseYieldExpression() { + var delegateFlag, expr, marker = markerCreate(); + + expectKeyword('yield', !strict); + + delegateFlag = false; + if (match('*')) { + lex(); + delegateFlag = true; + } + + expr = parseAssignmentExpression(); + + return markerApply(marker, delegate.createYieldExpression(expr, delegateFlag)); + } + + function parseAwaitExpression() { + var expr, marker = markerCreate(); + expectContextualKeyword('await'); + expr = parseAssignmentExpression(); + return markerApply(marker, delegate.createAwaitExpression(expr)); + } + + // 14 Functions and classes + + // 14.1 Functions is defined above (13 in ES5) + // 14.2 Arrow Functions Definitions is defined in (7.3 assignments) + + // 14.3 Method Definitions + // 14.3.7 + function specialMethod(methodDefinition) { + return methodDefinition.kind === 'get' || + methodDefinition.kind === 'set' || + methodDefinition.value.generator; + } + + function parseMethodDefinition(key, isStatic, generator, computed) { + var token, param, propType, + isAsync, typeParameters, tokenValue, returnType; + + propType = isStatic ? ClassPropertyType["static"] : ClassPropertyType.prototype; + + if (generator) { + return delegate.createMethodDefinition( + propType, + '', + key, + parsePropertyMethodFunction({ generator: true }), + computed + ); + } + + tokenValue = key.type === 'Identifier' && key.name; + + if (tokenValue === 'get' && !match('(')) { + key = parseObjectPropertyKey(); + + expect('('); + expect(')'); + if (match(':')) { + returnType = parseTypeAnnotation(); + } + return delegate.createMethodDefinition( + propType, + 'get', + key, + parsePropertyFunction({ generator: false, returnType: returnType }), + computed + ); + } + if (tokenValue === 'set' && !match('(')) { + key = parseObjectPropertyKey(); + + expect('('); + token = lookahead; + param = [ parseTypeAnnotatableIdentifier() ]; + expect(')'); + if (match(':')) { + returnType = parseTypeAnnotation(); + } + return delegate.createMethodDefinition( + propType, + 'set', + key, + parsePropertyFunction({ + params: param, + generator: false, + name: token, + returnType: returnType + }), + computed + ); + } + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + isAsync = tokenValue === 'async' && !match('('); + if (isAsync) { + key = parseObjectPropertyKey(); + } + + return delegate.createMethodDefinition( + propType, + '', + key, + parsePropertyMethodFunction({ + generator: false, + async: isAsync, + typeParameters: typeParameters + }), + computed + ); + } + + function parseClassProperty(key, computed, isStatic) { + var typeAnnotation; + + typeAnnotation = parseTypeAnnotation(); + expect(';'); + + return delegate.createClassProperty( + key, + typeAnnotation, + computed, + isStatic + ); + } + + function parseClassElement() { + var computed = false, generator = false, key, marker = markerCreate(), + isStatic = false, possiblyOpenBracketToken; + if (match(';')) { + lex(); + return undefined; + } + + if (lookahead.value === 'static') { + lex(); + isStatic = true; + } + + if (match('*')) { + lex(); + generator = true; + } + + possiblyOpenBracketToken = lookahead; + if (matchContextualKeyword('get') || matchContextualKeyword('set')) { + possiblyOpenBracketToken = lookahead2(); + } + + if (possiblyOpenBracketToken.type === Token.Punctuator + && possiblyOpenBracketToken.value === '[') { + computed = true; + } + + key = parseObjectPropertyKey(); + + if (!generator && lookahead.value === ':') { + return markerApply(marker, parseClassProperty(key, computed, isStatic)); + } + + return markerApply(marker, parseMethodDefinition( + key, + isStatic, + generator, + computed + )); + } + + function parseClassBody() { + var classElement, classElements = [], existingProps = {}, + marker = markerCreate(), propName, propType; + + existingProps[ClassPropertyType["static"]] = new StringMap(); + existingProps[ClassPropertyType.prototype] = new StringMap(); + + expect('{'); + + while (index < length) { + if (match('}')) { + break; + } + classElement = parseClassElement(existingProps); + + if (typeof classElement !== 'undefined') { + classElements.push(classElement); + + propName = !classElement.computed && getFieldName(classElement.key); + if (propName !== false) { + propType = classElement["static"] ? + ClassPropertyType["static"] : + ClassPropertyType.prototype; + + if (classElement.type === Syntax.MethodDefinition) { + if (propName === 'constructor' && !classElement["static"]) { + if (specialMethod(classElement)) { + throwError(classElement, Messages.IllegalClassConstructorProperty); + } + if (existingProps[ClassPropertyType.prototype].has('constructor')) { + throwError(classElement.key, Messages.IllegalDuplicateClassProperty); + } + } + existingProps[propType].set(propName, true); + } + } + } + } + + expect('}'); + + return markerApply(marker, delegate.createClassBody(classElements)); + } + + function parseClassImplements() { + var id, implemented = [], marker, typeParameters; + if (strict) { + expectKeyword('implements'); + } else { + expectContextualKeyword('implements'); + } + while (index < length) { + marker = markerCreate(); + id = parseVariableIdentifier(); + if (match('<')) { + typeParameters = parseTypeParameterInstantiation(); + } else { + typeParameters = null; + } + implemented.push(markerApply(marker, delegate.createClassImplements( + id, + typeParameters + ))); + if (!match(',')) { + break; + } + expect(','); + } + return implemented; + } + + function parseClassExpression() { + var id, implemented, previousYieldAllowed, superClass = null, + superTypeParameters, marker = markerCreate(), typeParameters, + matchImplements; + + expectKeyword('class'); + + matchImplements = + strict + ? matchKeyword('implements') + : matchContextualKeyword('implements'); + + if (!matchKeyword('extends') && !matchImplements && !match('{')) { + id = parseVariableIdentifier(); + } + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + if (matchKeyword('extends')) { + expectKeyword('extends'); + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = false; + superClass = parseLeftHandSideExpressionAllowCall(); + if (match('<')) { + superTypeParameters = parseTypeParameterInstantiation(); + } + state.yieldAllowed = previousYieldAllowed; + } + + if (strict ? matchKeyword('implements') : matchContextualKeyword('implements')) { + implemented = parseClassImplements(); + } + + return markerApply(marker, delegate.createClassExpression( + id, + superClass, + parseClassBody(), + typeParameters, + superTypeParameters, + implemented + )); + } + + function parseClassDeclaration() { + var id, implemented, previousYieldAllowed, superClass = null, + superTypeParameters, marker = markerCreate(), typeParameters; + + expectKeyword('class'); + + id = parseVariableIdentifier(); + + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + if (matchKeyword('extends')) { + expectKeyword('extends'); + previousYieldAllowed = state.yieldAllowed; + state.yieldAllowed = false; + superClass = parseLeftHandSideExpressionAllowCall(); + if (match('<')) { + superTypeParameters = parseTypeParameterInstantiation(); + } + state.yieldAllowed = previousYieldAllowed; + } + + if (strict ? matchKeyword('implements') : matchContextualKeyword('implements')) { + implemented = parseClassImplements(); + } + + return markerApply(marker, delegate.createClassDeclaration( + id, + superClass, + parseClassBody(), + typeParameters, + superTypeParameters, + implemented + )); + } + + // 15 Program + + function parseSourceElement() { + var token; + if (lookahead.type === Token.Keyword) { + switch (lookahead.value) { + case 'const': + case 'let': + return parseConstLetDeclaration(lookahead.value); + case 'function': + return parseFunctionDeclaration(); + case 'export': + throwErrorTolerant({}, Messages.IllegalExportDeclaration); + return parseExportDeclaration(); + case 'import': + throwErrorTolerant({}, Messages.IllegalImportDeclaration); + return parseImportDeclaration(); + case 'interface': + if (lookahead2().type === Token.Identifier) { + return parseInterface(); + } + return parseStatement(); + default: + return parseStatement(); + } + } + + if (matchContextualKeyword('type') + && lookahead2().type === Token.Identifier) { + return parseTypeAlias(); + } + + if (matchContextualKeyword('interface') + && lookahead2().type === Token.Identifier) { + return parseInterface(); + } + + if (matchContextualKeyword('declare')) { + token = lookahead2(); + if (token.type === Token.Keyword) { + switch (token.value) { + case 'class': + return parseDeclareClass(); + case 'function': + return parseDeclareFunction(); + case 'var': + return parseDeclareVariable(); + } + } else if (token.type === Token.Identifier + && token.value === 'module') { + return parseDeclareModule(); + } + } + + if (lookahead.type !== Token.EOF) { + return parseStatement(); + } + } + + function parseProgramElement() { + var isModule = extra.sourceType === 'module' || extra.sourceType === 'nonStrictModule'; + + if (isModule && lookahead.type === Token.Keyword) { + switch (lookahead.value) { + case 'export': + return parseExportDeclaration(); + case 'import': + return parseImportDeclaration(); + } + } + + return parseSourceElement(); + } + + function parseProgramElements() { + var sourceElement, sourceElements = [], token, directive, firstRestricted; + + while (index < length) { + token = lookahead; + if (token.type !== Token.StringLiteral) { + break; + } + + sourceElement = parseProgramElement(); + sourceElements.push(sourceElement); + if (sourceElement.expression.type !== Syntax.Literal) { + // this is not directive + break; + } + directive = source.slice(token.range[0] + 1, token.range[1] - 1); + if (directive === 'use strict') { + strict = true; + if (firstRestricted) { + throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); + } + } else { + if (!firstRestricted && token.octal) { + firstRestricted = token; + } + } + } + + while (index < length) { + sourceElement = parseProgramElement(); + if (typeof sourceElement === 'undefined') { + break; + } + sourceElements.push(sourceElement); + } + return sourceElements; + } + + function parseProgram() { + var body, marker = markerCreate(); + strict = extra.sourceType === 'module'; + peek(); + body = parseProgramElements(); + return markerApply(marker, delegate.createProgram(body)); + } + + // 16 JSX + + XHTMLEntities = { + quot: '\u0022', + amp: '&', + apos: '\u0027', + lt: '<', + gt: '>', + nbsp: '\u00A0', + iexcl: '\u00A1', + cent: '\u00A2', + pound: '\u00A3', + curren: '\u00A4', + yen: '\u00A5', + brvbar: '\u00A6', + sect: '\u00A7', + uml: '\u00A8', + copy: '\u00A9', + ordf: '\u00AA', + laquo: '\u00AB', + not: '\u00AC', + shy: '\u00AD', + reg: '\u00AE', + macr: '\u00AF', + deg: '\u00B0', + plusmn: '\u00B1', + sup2: '\u00B2', + sup3: '\u00B3', + acute: '\u00B4', + micro: '\u00B5', + para: '\u00B6', + middot: '\u00B7', + cedil: '\u00B8', + sup1: '\u00B9', + ordm: '\u00BA', + raquo: '\u00BB', + frac14: '\u00BC', + frac12: '\u00BD', + frac34: '\u00BE', + iquest: '\u00BF', + Agrave: '\u00C0', + Aacute: '\u00C1', + Acirc: '\u00C2', + Atilde: '\u00C3', + Auml: '\u00C4', + Aring: '\u00C5', + AElig: '\u00C6', + Ccedil: '\u00C7', + Egrave: '\u00C8', + Eacute: '\u00C9', + Ecirc: '\u00CA', + Euml: '\u00CB', + Igrave: '\u00CC', + Iacute: '\u00CD', + Icirc: '\u00CE', + Iuml: '\u00CF', + ETH: '\u00D0', + Ntilde: '\u00D1', + Ograve: '\u00D2', + Oacute: '\u00D3', + Ocirc: '\u00D4', + Otilde: '\u00D5', + Ouml: '\u00D6', + times: '\u00D7', + Oslash: '\u00D8', + Ugrave: '\u00D9', + Uacute: '\u00DA', + Ucirc: '\u00DB', + Uuml: '\u00DC', + Yacute: '\u00DD', + THORN: '\u00DE', + szlig: '\u00DF', + agrave: '\u00E0', + aacute: '\u00E1', + acirc: '\u00E2', + atilde: '\u00E3', + auml: '\u00E4', + aring: '\u00E5', + aelig: '\u00E6', + ccedil: '\u00E7', + egrave: '\u00E8', + eacute: '\u00E9', + ecirc: '\u00EA', + euml: '\u00EB', + igrave: '\u00EC', + iacute: '\u00ED', + icirc: '\u00EE', + iuml: '\u00EF', + eth: '\u00F0', + ntilde: '\u00F1', + ograve: '\u00F2', + oacute: '\u00F3', + ocirc: '\u00F4', + otilde: '\u00F5', + ouml: '\u00F6', + divide: '\u00F7', + oslash: '\u00F8', + ugrave: '\u00F9', + uacute: '\u00FA', + ucirc: '\u00FB', + uuml: '\u00FC', + yacute: '\u00FD', + thorn: '\u00FE', + yuml: '\u00FF', + OElig: '\u0152', + oelig: '\u0153', + Scaron: '\u0160', + scaron: '\u0161', + Yuml: '\u0178', + fnof: '\u0192', + circ: '\u02C6', + tilde: '\u02DC', + Alpha: '\u0391', + Beta: '\u0392', + Gamma: '\u0393', + Delta: '\u0394', + Epsilon: '\u0395', + Zeta: '\u0396', + Eta: '\u0397', + Theta: '\u0398', + Iota: '\u0399', + Kappa: '\u039A', + Lambda: '\u039B', + Mu: '\u039C', + Nu: '\u039D', + Xi: '\u039E', + Omicron: '\u039F', + Pi: '\u03A0', + Rho: '\u03A1', + Sigma: '\u03A3', + Tau: '\u03A4', + Upsilon: '\u03A5', + Phi: '\u03A6', + Chi: '\u03A7', + Psi: '\u03A8', + Omega: '\u03A9', + alpha: '\u03B1', + beta: '\u03B2', + gamma: '\u03B3', + delta: '\u03B4', + epsilon: '\u03B5', + zeta: '\u03B6', + eta: '\u03B7', + theta: '\u03B8', + iota: '\u03B9', + kappa: '\u03BA', + lambda: '\u03BB', + mu: '\u03BC', + nu: '\u03BD', + xi: '\u03BE', + omicron: '\u03BF', + pi: '\u03C0', + rho: '\u03C1', + sigmaf: '\u03C2', + sigma: '\u03C3', + tau: '\u03C4', + upsilon: '\u03C5', + phi: '\u03C6', + chi: '\u03C7', + psi: '\u03C8', + omega: '\u03C9', + thetasym: '\u03D1', + upsih: '\u03D2', + piv: '\u03D6', + ensp: '\u2002', + emsp: '\u2003', + thinsp: '\u2009', + zwnj: '\u200C', + zwj: '\u200D', + lrm: '\u200E', + rlm: '\u200F', + ndash: '\u2013', + mdash: '\u2014', + lsquo: '\u2018', + rsquo: '\u2019', + sbquo: '\u201A', + ldquo: '\u201C', + rdquo: '\u201D', + bdquo: '\u201E', + dagger: '\u2020', + Dagger: '\u2021', + bull: '\u2022', + hellip: '\u2026', + permil: '\u2030', + prime: '\u2032', + Prime: '\u2033', + lsaquo: '\u2039', + rsaquo: '\u203A', + oline: '\u203E', + frasl: '\u2044', + euro: '\u20AC', + image: '\u2111', + weierp: '\u2118', + real: '\u211C', + trade: '\u2122', + alefsym: '\u2135', + larr: '\u2190', + uarr: '\u2191', + rarr: '\u2192', + darr: '\u2193', + harr: '\u2194', + crarr: '\u21B5', + lArr: '\u21D0', + uArr: '\u21D1', + rArr: '\u21D2', + dArr: '\u21D3', + hArr: '\u21D4', + forall: '\u2200', + part: '\u2202', + exist: '\u2203', + empty: '\u2205', + nabla: '\u2207', + isin: '\u2208', + notin: '\u2209', + ni: '\u220B', + prod: '\u220F', + sum: '\u2211', + minus: '\u2212', + lowast: '\u2217', + radic: '\u221A', + prop: '\u221D', + infin: '\u221E', + ang: '\u2220', + and: '\u2227', + or: '\u2228', + cap: '\u2229', + cup: '\u222A', + 'int': '\u222B', + there4: '\u2234', + sim: '\u223C', + cong: '\u2245', + asymp: '\u2248', + ne: '\u2260', + equiv: '\u2261', + le: '\u2264', + ge: '\u2265', + sub: '\u2282', + sup: '\u2283', + nsub: '\u2284', + sube: '\u2286', + supe: '\u2287', + oplus: '\u2295', + otimes: '\u2297', + perp: '\u22A5', + sdot: '\u22C5', + lceil: '\u2308', + rceil: '\u2309', + lfloor: '\u230A', + rfloor: '\u230B', + lang: '\u2329', + rang: '\u232A', + loz: '\u25CA', + spades: '\u2660', + clubs: '\u2663', + hearts: '\u2665', + diams: '\u2666' + }; + + function getQualifiedJSXName(object) { + if (object.type === Syntax.JSXIdentifier) { + return object.name; + } + if (object.type === Syntax.JSXNamespacedName) { + return object.namespace.name + ':' + object.name.name; + } + /* istanbul ignore else */ + if (object.type === Syntax.JSXMemberExpression) { + return ( + getQualifiedJSXName(object.object) + '.' + + getQualifiedJSXName(object.property) + ); + } + /* istanbul ignore next */ + throwUnexpected(object); + } + + function isJSXIdentifierStart(ch) { + // exclude backslash (\) + return (ch !== 92) && isIdentifierStart(ch); + } + + function isJSXIdentifierPart(ch) { + // exclude backslash (\) and add hyphen (-) + return (ch !== 92) && (ch === 45 || isIdentifierPart(ch)); + } + + function scanJSXIdentifier() { + var ch, start, value = ''; + + start = index; + while (index < length) { + ch = source.charCodeAt(index); + if (!isJSXIdentifierPart(ch)) { + break; + } + value += source[index++]; + } + + return { + type: Token.JSXIdentifier, + value: value, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanJSXEntity() { + var ch, str = '', start = index, count = 0, code; + ch = source[index]; + assert(ch === '&', 'Entity must start with an ampersand'); + index++; + while (index < length && count++ < 10) { + ch = source[index++]; + if (ch === ';') { + break; + } + str += ch; + } + + // Well-formed entity (ending was found). + if (ch === ';') { + // Numeric entity. + if (str[0] === '#') { + if (str[1] === 'x') { + code = +('0' + str.substr(1)); + } else { + // Removing leading zeros in order to avoid treating as octal in old browsers. + code = +str.substr(1).replace(Regex.LeadingZeros, ''); + } + + if (!isNaN(code)) { + return String.fromCharCode(code); + } + /* istanbul ignore else */ + } else if (XHTMLEntities[str]) { + return XHTMLEntities[str]; + } + } + + // Treat non-entity sequences as regular text. + index = start + 1; + return '&'; + } + + function scanJSXText(stopChars) { + var ch, str = '', start; + start = index; + while (index < length) { + ch = source[index]; + if (stopChars.indexOf(ch) !== -1) { + break; + } + if (ch === '&') { + str += scanJSXEntity(); + } else { + index++; + if (ch === '\r' && source[index] === '\n') { + str += ch; + ch = source[index]; + index++; + } + if (isLineTerminator(ch.charCodeAt(0))) { + ++lineNumber; + lineStart = index; + } + str += ch; + } + } + return { + type: Token.JSXText, + value: str, + lineNumber: lineNumber, + lineStart: lineStart, + range: [start, index] + }; + } + + function scanJSXStringLiteral() { + var innerToken, quote, start; + + quote = source[index]; + assert((quote === '\'' || quote === '"'), + 'String literal must starts with a quote'); + + start = index; + ++index; + + innerToken = scanJSXText([quote]); + + if (quote !== source[index]) { + throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); + } + + ++index; + + innerToken.range = [start, index]; + + return innerToken; + } + + /** + * Between JSX opening and closing tags (e.g. HERE), anything that + * is not another JSX tag and is not an expression wrapped by {} is text. + */ + function advanceJSXChild() { + var ch = source.charCodeAt(index); + + // '<' 60, '>' 62, '{' 123, '}' 125 + if (ch !== 60 && ch !== 62 && ch !== 123 && ch !== 125) { + return scanJSXText(['<', '>', '{', '}']); + } + + return scanPunctuator(); + } + + function parseJSXIdentifier() { + var token, marker = markerCreate(); + + if (lookahead.type !== Token.JSXIdentifier) { + throwUnexpected(lookahead); + } + + token = lex(); + return markerApply(marker, delegate.createJSXIdentifier(token.value)); + } + + function parseJSXNamespacedName() { + var namespace, name, marker = markerCreate(); + + namespace = parseJSXIdentifier(); + expect(':'); + name = parseJSXIdentifier(); + + return markerApply(marker, delegate.createJSXNamespacedName(namespace, name)); + } + + function parseJSXMemberExpression() { + var marker = markerCreate(), + expr = parseJSXIdentifier(); + + while (match('.')) { + lex(); + expr = markerApply(marker, delegate.createJSXMemberExpression(expr, parseJSXIdentifier())); + } + + return expr; + } + + function parseJSXElementName() { + if (lookahead2().value === ':') { + return parseJSXNamespacedName(); + } + if (lookahead2().value === '.') { + return parseJSXMemberExpression(); + } + + return parseJSXIdentifier(); + } + + function parseJSXAttributeName() { + if (lookahead2().value === ':') { + return parseJSXNamespacedName(); + } + + return parseJSXIdentifier(); + } + + function parseJSXAttributeValue() { + var value, marker; + if (match('{')) { + value = parseJSXExpressionContainer(); + if (value.expression.type === Syntax.JSXEmptyExpression) { + throwError( + value, + 'JSX attributes must only be assigned a non-empty ' + + 'expression' + ); + } + } else if (match('<')) { + value = parseJSXElement(); + } else if (lookahead.type === Token.JSXText) { + marker = markerCreate(); + value = markerApply(marker, delegate.createLiteral(lex())); + } else { + throwError({}, Messages.InvalidJSXAttributeValue); + } + return value; + } + + function parseJSXEmptyExpression() { + var marker = markerCreatePreserveWhitespace(); + while (source.charAt(index) !== '}') { + index++; + } + return markerApply(marker, delegate.createJSXEmptyExpression()); + } + + function parseJSXExpressionContainer() { + var expression, origInJSXChild, origInJSXTag, marker = markerCreate(); + + origInJSXChild = state.inJSXChild; + origInJSXTag = state.inJSXTag; + state.inJSXChild = false; + state.inJSXTag = false; + + expect('{'); + + if (match('}')) { + expression = parseJSXEmptyExpression(); + } else { + expression = parseExpression(); + } + + state.inJSXChild = origInJSXChild; + state.inJSXTag = origInJSXTag; + + expect('}'); + + return markerApply(marker, delegate.createJSXExpressionContainer(expression)); + } + + function parseJSXSpreadAttribute() { + var expression, origInJSXChild, origInJSXTag, marker = markerCreate(); + + origInJSXChild = state.inJSXChild; + origInJSXTag = state.inJSXTag; + state.inJSXChild = false; + state.inJSXTag = false; + + expect('{'); + expect('...'); + + expression = parseAssignmentExpression(); + + state.inJSXChild = origInJSXChild; + state.inJSXTag = origInJSXTag; + + expect('}'); + + return markerApply(marker, delegate.createJSXSpreadAttribute(expression)); + } + + function parseJSXAttribute() { + var name, marker; + + if (match('{')) { + return parseJSXSpreadAttribute(); + } + + marker = markerCreate(); + + name = parseJSXAttributeName(); + + // HTML empty attribute + if (match('=')) { + lex(); + return markerApply(marker, delegate.createJSXAttribute(name, parseJSXAttributeValue())); + } + + return markerApply(marker, delegate.createJSXAttribute(name)); + } + + function parseJSXChild() { + var token, marker; + if (match('{')) { + token = parseJSXExpressionContainer(); + } else if (lookahead.type === Token.JSXText) { + marker = markerCreatePreserveWhitespace(); + token = markerApply(marker, delegate.createLiteral(lex())); + } else if (match('<')) { + token = parseJSXElement(); + } else { + throwUnexpected(lookahead); + } + return token; + } + + function parseJSXClosingElement() { + var name, origInJSXChild, origInJSXTag, marker = markerCreate(); + origInJSXChild = state.inJSXChild; + origInJSXTag = state.inJSXTag; + state.inJSXChild = false; + state.inJSXTag = true; + expect('<'); + expect('/'); + name = parseJSXElementName(); + // Because advance() (called by lex() called by expect()) expects there + // to be a valid token after >, it needs to know whether to look for a + // standard JS token or an JSX text node + state.inJSXChild = origInJSXChild; + state.inJSXTag = origInJSXTag; + expect('>'); + return markerApply(marker, delegate.createJSXClosingElement(name)); + } + + function parseJSXOpeningElement() { + var name, attributes = [], selfClosing = false, origInJSXChild, origInJSXTag, marker = markerCreate(); + + origInJSXChild = state.inJSXChild; + origInJSXTag = state.inJSXTag; + state.inJSXChild = false; + state.inJSXTag = true; + + expect('<'); + + name = parseJSXElementName(); + + while (index < length && + lookahead.value !== '/' && + lookahead.value !== '>') { + attributes.push(parseJSXAttribute()); + } + + state.inJSXTag = origInJSXTag; + + if (lookahead.value === '/') { + expect('/'); + // Because advance() (called by lex() called by expect()) expects + // there to be a valid token after >, it needs to know whether to + // look for a standard JS token or an JSX text node + state.inJSXChild = origInJSXChild; + expect('>'); + selfClosing = true; + } else { + state.inJSXChild = true; + expect('>'); + } + return markerApply(marker, delegate.createJSXOpeningElement(name, attributes, selfClosing)); + } + + function parseJSXElement() { + var openingElement, closingElement = null, children = [], origInJSXChild, origInJSXTag, marker = markerCreate(); + + origInJSXChild = state.inJSXChild; + origInJSXTag = state.inJSXTag; + openingElement = parseJSXOpeningElement(); + + if (!openingElement.selfClosing) { + while (index < length) { + state.inJSXChild = false; // Call lookahead2() with inJSXChild = false because one
two
; + // + // the default error message is a bit incomprehensible. Since it's + // rarely (never?) useful to write a less-than sign after an JSX + // element, we disallow it here in the parser in order to provide a + // better error message. (In the rare case that the less-than operator + // was intended, the left tag can be wrapped in parentheses.) + if (!origInJSXChild && match('<')) { + throwError(lookahead, Messages.AdjacentJSXElements); + } + + return markerApply(marker, delegate.createJSXElement(openingElement, closingElement, children)); + } + + function parseTypeAlias() { + var id, marker = markerCreate(), typeParameters = null, right; + expectContextualKeyword('type'); + id = parseVariableIdentifier(); + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + expect('='); + right = parseType(); + consumeSemicolon(); + return markerApply(marker, delegate.createTypeAlias(id, typeParameters, right)); + } + + function parseInterfaceExtends() { + var marker = markerCreate(), id, typeParameters = null; + + id = parseVariableIdentifier(); + if (match('<')) { + typeParameters = parseTypeParameterInstantiation(); + } + + return markerApply(marker, delegate.createInterfaceExtends( + id, + typeParameters + )); + } + + function parseInterfaceish(marker, allowStatic) { + var body, bodyMarker, extended = [], id, + typeParameters = null; + + id = parseVariableIdentifier(); + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + + if (matchKeyword('extends')) { + expectKeyword('extends'); + + while (index < length) { + extended.push(parseInterfaceExtends()); + if (!match(',')) { + break; + } + expect(','); + } + } + + bodyMarker = markerCreate(); + body = markerApply(bodyMarker, parseObjectType(allowStatic)); + + return markerApply(marker, delegate.createInterface( + id, + typeParameters, + body, + extended + )); + } + + function parseInterface() { + var marker = markerCreate(); + + if (strict) { + expectKeyword('interface'); + } else { + expectContextualKeyword('interface'); + } + + return parseInterfaceish(marker, /* allowStatic */false); + } + + function parseDeclareClass() { + var marker = markerCreate(), ret; + expectContextualKeyword('declare'); + expectKeyword('class'); + + ret = parseInterfaceish(marker, /* allowStatic */true); + ret.type = Syntax.DeclareClass; + return ret; + } + + function parseDeclareFunction() { + var id, idMarker, + marker = markerCreate(), params, returnType, rest, tmp, + typeParameters = null, value, valueMarker; + + expectContextualKeyword('declare'); + expectKeyword('function'); + idMarker = markerCreate(); + id = parseVariableIdentifier(); + + valueMarker = markerCreate(); + if (match('<')) { + typeParameters = parseTypeParameterDeclaration(); + } + expect('('); + tmp = parseFunctionTypeParams(); + params = tmp.params; + rest = tmp.rest; + expect(')'); + + expect(':'); + returnType = parseType(); + + value = markerApply(valueMarker, delegate.createFunctionTypeAnnotation( + params, + returnType, + rest, + typeParameters + )); + + id.typeAnnotation = markerApply(valueMarker, delegate.createTypeAnnotation( + value + )); + markerApply(idMarker, id); + + consumeSemicolon(); + + return markerApply(marker, delegate.createDeclareFunction( + id + )); + } + + function parseDeclareVariable() { + var id, marker = markerCreate(); + expectContextualKeyword('declare'); + expectKeyword('var'); + id = parseTypeAnnotatableIdentifier(); + + consumeSemicolon(); + + return markerApply(marker, delegate.createDeclareVariable( + id + )); + } + + function parseDeclareModule() { + var body = [], bodyMarker, id, idMarker, marker = markerCreate(), token; + expectContextualKeyword('declare'); + expectContextualKeyword('module'); + + if (lookahead.type === Token.StringLiteral) { + if (strict && lookahead.octal) { + throwErrorTolerant(lookahead, Messages.StrictOctalLiteral); + } + idMarker = markerCreate(); + id = markerApply(idMarker, delegate.createLiteral(lex())); + } else { + id = parseVariableIdentifier(); + } + + bodyMarker = markerCreate(); + expect('{'); + while (index < length && !match('}')) { + token = lookahead2(); + switch (token.value) { + case 'class': + body.push(parseDeclareClass()); + break; + case 'function': + body.push(parseDeclareFunction()); + break; + case 'var': + body.push(parseDeclareVariable()); + break; + default: + throwUnexpected(lookahead); + } + } + expect('}'); + + return markerApply(marker, delegate.createDeclareModule( + id, + markerApply(bodyMarker, delegate.createBlockStatement(body)) + )); + } + + function collectToken() { + var loc, token, range, value, entry; + + /* istanbul ignore else */ + if (!state.inJSXChild) { + skipComment(); + } + + loc = { + start: { + line: lineNumber, + column: index - lineStart + } + }; + + token = extra.advance(); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + + if (token.type !== Token.EOF) { + range = [token.range[0], token.range[1]]; + value = source.slice(token.range[0], token.range[1]); + entry = { + type: TokenName[token.type], + value: value, + range: range, + loc: loc + }; + if (token.regex) { + entry.regex = { + pattern: token.regex.pattern, + flags: token.regex.flags + }; + } + extra.tokens.push(entry); + } + + return token; + } + + function collectRegex() { + var pos, loc, regex, token; + + skipComment(); + + pos = index; + loc = { + start: { + line: lineNumber, + column: index - lineStart + } + }; + + regex = extra.scanRegExp(); + loc.end = { + line: lineNumber, + column: index - lineStart + }; + + if (!extra.tokenize) { + /* istanbul ignore next */ + // Pop the previous token, which is likely '/' or '/=' + if (extra.tokens.length > 0) { + token = extra.tokens[extra.tokens.length - 1]; + if (token.range[0] === pos && token.type === 'Punctuator') { + if (token.value === '/' || token.value === '/=') { + extra.tokens.pop(); + } + } + } + + extra.tokens.push({ + type: 'RegularExpression', + value: regex.literal, + regex: regex.regex, + range: [pos, index], + loc: loc + }); + } + + return regex; + } + + function filterTokenLocation() { + var i, entry, token, tokens = []; + + for (i = 0; i < extra.tokens.length; ++i) { + entry = extra.tokens[i]; + token = { + type: entry.type, + value: entry.value + }; + if (entry.regex) { + token.regex = { + pattern: entry.regex.pattern, + flags: entry.regex.flags + }; + } + if (extra.range) { + token.range = entry.range; + } + if (extra.loc) { + token.loc = entry.loc; + } + tokens.push(token); + } + + extra.tokens = tokens; + } + + function patch() { + if (typeof extra.tokens !== 'undefined') { + extra.advance = advance; + extra.scanRegExp = scanRegExp; + + advance = collectToken; + scanRegExp = collectRegex; + } + } + + function unpatch() { + if (typeof extra.scanRegExp === 'function') { + advance = extra.advance; + scanRegExp = extra.scanRegExp; + } + } + + // This is used to modify the delegate. + + function extend(object, properties) { + var entry, result = {}; + + for (entry in object) { + /* istanbul ignore else */ + if (object.hasOwnProperty(entry)) { + result[entry] = object[entry]; + } + } + + for (entry in properties) { + /* istanbul ignore else */ + if (properties.hasOwnProperty(entry)) { + result[entry] = properties[entry]; + } + } + + return result; + } + + function tokenize(code, options) { + var toString, + token, + tokens; + + toString = String; + if (typeof code !== 'string' && !(code instanceof String)) { + code = toString(code); + } + + delegate = SyntaxTreeDelegate; + source = code; + index = 0; + lineNumber = (source.length > 0) ? 1 : 0; + lineStart = 0; + length = source.length; + lookahead = null; + state = { + allowKeyword: true, + allowIn: true, + labelSet: new StringMap(), + inFunctionBody: false, + inIteration: false, + inSwitch: false, + lastCommentStart: -1 + }; + + extra = {}; + + // Options matching. + options = options || {}; + + // Of course we collect tokens here. + options.tokens = true; + extra.tokens = []; + extra.tokenize = true; + // The following two fields are necessary to compute the Regex tokens. + extra.openParenToken = -1; + extra.openCurlyToken = -1; + + extra.range = (typeof options.range === 'boolean') && options.range; + extra.loc = (typeof options.loc === 'boolean') && options.loc; + + if (typeof options.comment === 'boolean' && options.comment) { + extra.comments = []; + } + if (typeof options.tolerant === 'boolean' && options.tolerant) { + extra.errors = []; + } + + patch(); + + try { + peek(); + if (lookahead.type === Token.EOF) { + return extra.tokens; + } + + token = lex(); + while (lookahead.type !== Token.EOF) { + try { + token = lex(); + } catch (lexError) { + token = lookahead; + if (extra.errors) { + extra.errors.push(lexError); + // We have to break on the first error + // to avoid infinite loops. + break; + } else { + throw lexError; + } + } + } + + filterTokenLocation(); + tokens = extra.tokens; + if (typeof extra.comments !== 'undefined') { + tokens.comments = extra.comments; + } + if (typeof extra.errors !== 'undefined') { + tokens.errors = extra.errors; + } + } catch (e) { + throw e; + } finally { + unpatch(); + extra = {}; + } + return tokens; + } + + function parse(code, options) { + var program, toString; + + toString = String; + if (typeof code !== 'string' && !(code instanceof String)) { + code = toString(code); + } + + delegate = SyntaxTreeDelegate; + source = code; + index = 0; + lineNumber = (source.length > 0) ? 1 : 0; + lineStart = 0; + length = source.length; + lookahead = null; + state = { + allowKeyword: false, + allowIn: true, + labelSet: new StringMap(), + parenthesizedCount: 0, + inFunctionBody: false, + inIteration: false, + inSwitch: false, + inJSXChild: false, + inJSXTag: false, + inType: false, + lastCommentStart: -1, + yieldAllowed: false, + awaitAllowed: false + }; + + extra = {}; + if (typeof options !== 'undefined') { + extra.range = (typeof options.range === 'boolean') && options.range; + extra.loc = (typeof options.loc === 'boolean') && options.loc; + extra.attachComment = (typeof options.attachComment === 'boolean') && options.attachComment; + + if (extra.loc && options.source !== null && options.source !== undefined) { + delegate = extend(delegate, { + 'postProcess': function (node) { + node.loc.source = toString(options.source); + return node; + } + }); + } + + extra.sourceType = options.sourceType; + if (typeof options.tokens === 'boolean' && options.tokens) { + extra.tokens = []; + } + if (typeof options.comment === 'boolean' && options.comment) { + extra.comments = []; + } + if (typeof options.tolerant === 'boolean' && options.tolerant) { + extra.errors = []; + } + if (extra.attachComment) { + extra.range = true; + extra.comments = []; + extra.bottomRightStack = []; + extra.trailingComments = []; + extra.leadingComments = []; + } + } + + patch(); + try { + program = parseProgram(); + if (typeof extra.comments !== 'undefined') { + program.comments = extra.comments; + } + if (typeof extra.tokens !== 'undefined') { + filterTokenLocation(); + program.tokens = extra.tokens; + } + if (typeof extra.errors !== 'undefined') { + program.errors = extra.errors; + } + } catch (e) { + throw e; + } finally { + unpatch(); + extra = {}; + } + + return program; + } + + // Sync with *.json manifests. + exports.version = '13001.1001.0-dev-harmony-fb'; + + exports.tokenize = tokenize; + + exports.parse = parse; + + // Deep copy. + /* istanbul ignore next */ + exports.Syntax = (function () { + var name, types = {}; + + if (typeof Object.create === 'function') { + types = Object.create(null); + } + + for (name in Syntax) { + if (Syntax.hasOwnProperty(name)) { + types[name] = Syntax[name]; + } + } + + if (typeof Object.freeze === 'function') { + Object.freeze(types); + } + + return types; + }()); + +})); +/* vim: set sw=4 ts=4 et tw=80 : */ + +},{}],10:[function(_dereq_,module,exports){ +var Base62 = (function (my) { + my.chars = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"] + + my.encode = function(i){ + if (i === 0) {return '0'} + var s = '' + while (i > 0) { + s = this.chars[i % 62] + s + i = Math.floor(i/62) + } + return s + }; + my.decode = function(a,b,c,d){ + for ( + b = c = ( + a === (/\W|_|^$/.test(a += "") || a) + ) - 1; + d = a.charCodeAt(c++); + ) + b = b * 62 + d - [, 48, 29, 87][d >> 5]; + return b + }; + + return my; +}({})); + +module.exports = Base62 +},{}],11:[function(_dereq_,module,exports){ +/* + * Copyright 2009-2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE.txt or: + * http://opensource.org/licenses/BSD-3-Clause + */ +exports.SourceMapGenerator = _dereq_('./source-map/source-map-generator').SourceMapGenerator; +exports.SourceMapConsumer = _dereq_('./source-map/source-map-consumer').SourceMapConsumer; +exports.SourceNode = _dereq_('./source-map/source-node').SourceNode; + +},{"./source-map/source-map-consumer":16,"./source-map/source-map-generator":17,"./source-map/source-node":18}],12:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var util = _dereq_('./util'); + + /** + * A data structure which is a combination of an array and a set. Adding a new + * member is O(1), testing for membership is O(1), and finding the index of an + * element is O(1). Removing elements from the set is not supported. Only + * strings are supported for membership. + */ + function ArraySet() { + this._array = []; + this._set = {}; + } + + /** + * Static method for creating ArraySet instances from an existing array. + */ + ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) { + var set = new ArraySet(); + for (var i = 0, len = aArray.length; i < len; i++) { + set.add(aArray[i], aAllowDuplicates); + } + return set; + }; + + /** + * Add the given string to this set. + * + * @param String aStr + */ + ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) { + var isDuplicate = this.has(aStr); + var idx = this._array.length; + if (!isDuplicate || aAllowDuplicates) { + this._array.push(aStr); + } + if (!isDuplicate) { + this._set[util.toSetString(aStr)] = idx; + } + }; + + /** + * Is the given string a member of this set? + * + * @param String aStr + */ + ArraySet.prototype.has = function ArraySet_has(aStr) { + return Object.prototype.hasOwnProperty.call(this._set, + util.toSetString(aStr)); + }; + + /** + * What is the index of the given string in the array? + * + * @param String aStr + */ + ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) { + if (this.has(aStr)) { + return this._set[util.toSetString(aStr)]; + } + throw new Error('"' + aStr + '" is not in the set.'); + }; + + /** + * What is the element at the given index? + * + * @param Number aIdx + */ + ArraySet.prototype.at = function ArraySet_at(aIdx) { + if (aIdx >= 0 && aIdx < this._array.length) { + return this._array[aIdx]; + } + throw new Error('No element indexed by ' + aIdx); + }; + + /** + * Returns the array representation of this set (which has the proper indices + * indicated by indexOf). Note that this is a copy of the internal array used + * for storing the members so that no one can mess with internal state. + */ + ArraySet.prototype.toArray = function ArraySet_toArray() { + return this._array.slice(); + }; + + exports.ArraySet = ArraySet; + +}); + +},{"./util":19,"amdefine":20}],13:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + * + * Based on the Base 64 VLQ implementation in Closure Compiler: + * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java + * + * Copyright 2011 The Closure Compiler Authors. All rights reserved. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var base64 = _dereq_('./base64'); + + // A single base 64 digit can contain 6 bits of data. For the base 64 variable + // length quantities we use in the source map spec, the first bit is the sign, + // the next four bits are the actual value, and the 6th bit is the + // continuation bit. The continuation bit tells us whether there are more + // digits in this value following this digit. + // + // Continuation + // | Sign + // | | + // V V + // 101011 + + var VLQ_BASE_SHIFT = 5; + + // binary: 100000 + var VLQ_BASE = 1 << VLQ_BASE_SHIFT; + + // binary: 011111 + var VLQ_BASE_MASK = VLQ_BASE - 1; + + // binary: 100000 + var VLQ_CONTINUATION_BIT = VLQ_BASE; + + /** + * Converts from a two-complement value to a value where the sign bit is + * is placed in the least significant bit. For example, as decimals: + * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) + * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) + */ + function toVLQSigned(aValue) { + return aValue < 0 + ? ((-aValue) << 1) + 1 + : (aValue << 1) + 0; + } + + /** + * Converts to a two-complement value from a value where the sign bit is + * is placed in the least significant bit. For example, as decimals: + * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 + * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 + */ + function fromVLQSigned(aValue) { + var isNegative = (aValue & 1) === 1; + var shifted = aValue >> 1; + return isNegative + ? -shifted + : shifted; + } + + /** + * Returns the base 64 VLQ encoded value. + */ + exports.encode = function base64VLQ_encode(aValue) { + var encoded = ""; + var digit; + + var vlq = toVLQSigned(aValue); + + do { + digit = vlq & VLQ_BASE_MASK; + vlq >>>= VLQ_BASE_SHIFT; + if (vlq > 0) { + // There are still more digits in this value, so we must make sure the + // continuation bit is marked. + digit |= VLQ_CONTINUATION_BIT; + } + encoded += base64.encode(digit); + } while (vlq > 0); + + return encoded; + }; + + /** + * Decodes the next base 64 VLQ value from the given string and returns the + * value and the rest of the string. + */ + exports.decode = function base64VLQ_decode(aStr) { + var i = 0; + var strLen = aStr.length; + var result = 0; + var shift = 0; + var continuation, digit; + + do { + if (i >= strLen) { + throw new Error("Expected more digits in base 64 VLQ value."); + } + digit = base64.decode(aStr.charAt(i++)); + continuation = !!(digit & VLQ_CONTINUATION_BIT); + digit &= VLQ_BASE_MASK; + result = result + (digit << shift); + shift += VLQ_BASE_SHIFT; + } while (continuation); + + return { + value: fromVLQSigned(result), + rest: aStr.slice(i) + }; + }; + +}); + +},{"./base64":14,"amdefine":20}],14:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var charToIntMap = {}; + var intToCharMap = {}; + + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/' + .split('') + .forEach(function (ch, index) { + charToIntMap[ch] = index; + intToCharMap[index] = ch; + }); + + /** + * Encode an integer in the range of 0 to 63 to a single base 64 digit. + */ + exports.encode = function base64_encode(aNumber) { + if (aNumber in intToCharMap) { + return intToCharMap[aNumber]; + } + throw new TypeError("Must be between 0 and 63: " + aNumber); + }; + + /** + * Decode a single base 64 digit to an integer. + */ + exports.decode = function base64_decode(aChar) { + if (aChar in charToIntMap) { + return charToIntMap[aChar]; + } + throw new TypeError("Not a valid base 64 digit: " + aChar); + }; + +}); + +},{"amdefine":20}],15:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + /** + * Recursive implementation of binary search. + * + * @param aLow Indices here and lower do not contain the needle. + * @param aHigh Indices here and higher do not contain the needle. + * @param aNeedle The element being searched for. + * @param aHaystack The non-empty array being searched. + * @param aCompare Function which takes two elements and returns -1, 0, or 1. + */ + function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) { + // This function terminates when one of the following is true: + // + // 1. We find the exact element we are looking for. + // + // 2. We did not find the exact element, but we can return the next + // closest element that is less than that element. + // + // 3. We did not find the exact element, and there is no next-closest + // element which is less than the one we are searching for, so we + // return null. + var mid = Math.floor((aHigh - aLow) / 2) + aLow; + var cmp = aCompare(aNeedle, aHaystack[mid], true); + if (cmp === 0) { + // Found the element we are looking for. + return aHaystack[mid]; + } + else if (cmp > 0) { + // aHaystack[mid] is greater than our needle. + if (aHigh - mid > 1) { + // The element is in the upper half. + return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare); + } + // We did not find an exact match, return the next closest one + // (termination case 2). + return aHaystack[mid]; + } + else { + // aHaystack[mid] is less than our needle. + if (mid - aLow > 1) { + // The element is in the lower half. + return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare); + } + // The exact needle element was not found in this haystack. Determine if + // we are in termination case (2) or (3) and return the appropriate thing. + return aLow < 0 + ? null + : aHaystack[aLow]; + } + } + + /** + * This is an implementation of binary search which will always try and return + * the next lowest value checked if there is no exact hit. This is because + * mappings between original and generated line/col pairs are single points, + * and there is an implicit region between each of them, so a miss just means + * that you aren't on the very start of a region. + * + * @param aNeedle The element you are looking for. + * @param aHaystack The array that is being searched. + * @param aCompare A function which takes the needle and an element in the + * array and returns -1, 0, or 1 depending on whether the needle is less + * than, equal to, or greater than the element, respectively. + */ + exports.search = function search(aNeedle, aHaystack, aCompare) { + return aHaystack.length > 0 + ? recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare) + : null; + }; + +}); + +},{"amdefine":20}],16:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var util = _dereq_('./util'); + var binarySearch = _dereq_('./binary-search'); + var ArraySet = _dereq_('./array-set').ArraySet; + var base64VLQ = _dereq_('./base64-vlq'); + + /** + * A SourceMapConsumer instance represents a parsed source map which we can + * query for information about the original file positions by giving it a file + * position in the generated source. + * + * The only parameter is the raw source map (either as a JSON string, or + * already parsed to an object). According to the spec, source maps have the + * following attributes: + * + * - version: Which version of the source map spec this map is following. + * - sources: An array of URLs to the original source files. + * - names: An array of identifiers which can be referrenced by individual mappings. + * - sourceRoot: Optional. The URL root from which all sources are relative. + * - sourcesContent: Optional. An array of contents of the original source files. + * - mappings: A string of base64 VLQs which contain the actual mappings. + * - file: The generated file this source map is associated with. + * + * Here is an example source map, taken from the source map spec[0]: + * + * { + * version : 3, + * file: "out.js", + * sourceRoot : "", + * sources: ["foo.js", "bar.js"], + * names: ["src", "maps", "are", "fun"], + * mappings: "AA,AB;;ABCDE;" + * } + * + * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# + */ + function SourceMapConsumer(aSourceMap) { + var sourceMap = aSourceMap; + if (typeof aSourceMap === 'string') { + sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, '')); + } + + var version = util.getArg(sourceMap, 'version'); + var sources = util.getArg(sourceMap, 'sources'); + // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which + // requires the array) to play nice here. + var names = util.getArg(sourceMap, 'names', []); + var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null); + var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null); + var mappings = util.getArg(sourceMap, 'mappings'); + var file = util.getArg(sourceMap, 'file', null); + + // Once again, Sass deviates from the spec and supplies the version as a + // string rather than a number, so we use loose equality checking here. + if (version != this._version) { + throw new Error('Unsupported version: ' + version); + } + + // Pass `true` below to allow duplicate names and sources. While source maps + // are intended to be compressed and deduplicated, the TypeScript compiler + // sometimes generates source maps with duplicates in them. See Github issue + // #72 and bugzil.la/889492. + this._names = ArraySet.fromArray(names, true); + this._sources = ArraySet.fromArray(sources, true); + + this.sourceRoot = sourceRoot; + this.sourcesContent = sourcesContent; + this._mappings = mappings; + this.file = file; + } + + /** + * Create a SourceMapConsumer from a SourceMapGenerator. + * + * @param SourceMapGenerator aSourceMap + * The source map that will be consumed. + * @returns SourceMapConsumer + */ + SourceMapConsumer.fromSourceMap = + function SourceMapConsumer_fromSourceMap(aSourceMap) { + var smc = Object.create(SourceMapConsumer.prototype); + + smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true); + smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true); + smc.sourceRoot = aSourceMap._sourceRoot; + smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(), + smc.sourceRoot); + smc.file = aSourceMap._file; + + smc.__generatedMappings = aSourceMap._mappings.slice() + .sort(util.compareByGeneratedPositions); + smc.__originalMappings = aSourceMap._mappings.slice() + .sort(util.compareByOriginalPositions); + + return smc; + }; + + /** + * The version of the source mapping spec that we are consuming. + */ + SourceMapConsumer.prototype._version = 3; + + /** + * The list of original sources. + */ + Object.defineProperty(SourceMapConsumer.prototype, 'sources', { + get: function () { + return this._sources.toArray().map(function (s) { + return this.sourceRoot ? util.join(this.sourceRoot, s) : s; + }, this); + } + }); + + // `__generatedMappings` and `__originalMappings` are arrays that hold the + // parsed mapping coordinates from the source map's "mappings" attribute. They + // are lazily instantiated, accessed via the `_generatedMappings` and + // `_originalMappings` getters respectively, and we only parse the mappings + // and create these arrays once queried for a source location. We jump through + // these hoops because there can be many thousands of mappings, and parsing + // them is expensive, so we only want to do it if we must. + // + // Each object in the arrays is of the form: + // + // { + // generatedLine: The line number in the generated code, + // generatedColumn: The column number in the generated code, + // source: The path to the original source file that generated this + // chunk of code, + // originalLine: The line number in the original source that + // corresponds to this chunk of generated code, + // originalColumn: The column number in the original source that + // corresponds to this chunk of generated code, + // name: The name of the original symbol which generated this chunk of + // code. + // } + // + // All properties except for `generatedLine` and `generatedColumn` can be + // `null`. + // + // `_generatedMappings` is ordered by the generated positions. + // + // `_originalMappings` is ordered by the original positions. + + SourceMapConsumer.prototype.__generatedMappings = null; + Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', { + get: function () { + if (!this.__generatedMappings) { + this.__generatedMappings = []; + this.__originalMappings = []; + this._parseMappings(this._mappings, this.sourceRoot); + } + + return this.__generatedMappings; + } + }); + + SourceMapConsumer.prototype.__originalMappings = null; + Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', { + get: function () { + if (!this.__originalMappings) { + this.__generatedMappings = []; + this.__originalMappings = []; + this._parseMappings(this._mappings, this.sourceRoot); + } + + return this.__originalMappings; + } + }); + + /** + * Parse the mappings in a string in to a data structure which we can easily + * query (the ordered arrays in the `this.__generatedMappings` and + * `this.__originalMappings` properties). + */ + SourceMapConsumer.prototype._parseMappings = + function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { + var generatedLine = 1; + var previousGeneratedColumn = 0; + var previousOriginalLine = 0; + var previousOriginalColumn = 0; + var previousSource = 0; + var previousName = 0; + var mappingSeparator = /^[,;]/; + var str = aStr; + var mapping; + var temp; + + while (str.length > 0) { + if (str.charAt(0) === ';') { + generatedLine++; + str = str.slice(1); + previousGeneratedColumn = 0; + } + else if (str.charAt(0) === ',') { + str = str.slice(1); + } + else { + mapping = {}; + mapping.generatedLine = generatedLine; + + // Generated column. + temp = base64VLQ.decode(str); + mapping.generatedColumn = previousGeneratedColumn + temp.value; + previousGeneratedColumn = mapping.generatedColumn; + str = temp.rest; + + if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) { + // Original source. + temp = base64VLQ.decode(str); + mapping.source = this._sources.at(previousSource + temp.value); + previousSource += temp.value; + str = temp.rest; + if (str.length === 0 || mappingSeparator.test(str.charAt(0))) { + throw new Error('Found a source, but no line and column'); + } + + // Original line. + temp = base64VLQ.decode(str); + mapping.originalLine = previousOriginalLine + temp.value; + previousOriginalLine = mapping.originalLine; + // Lines are stored 0-based + mapping.originalLine += 1; + str = temp.rest; + if (str.length === 0 || mappingSeparator.test(str.charAt(0))) { + throw new Error('Found a source and line, but no column'); + } + + // Original column. + temp = base64VLQ.decode(str); + mapping.originalColumn = previousOriginalColumn + temp.value; + previousOriginalColumn = mapping.originalColumn; + str = temp.rest; + + if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) { + // Original name. + temp = base64VLQ.decode(str); + mapping.name = this._names.at(previousName + temp.value); + previousName += temp.value; + str = temp.rest; + } + } + + this.__generatedMappings.push(mapping); + if (typeof mapping.originalLine === 'number') { + this.__originalMappings.push(mapping); + } + } + } + + this.__originalMappings.sort(util.compareByOriginalPositions); + }; + + /** + * Find the mapping that best matches the hypothetical "needle" mapping that + * we are searching for in the given "haystack" of mappings. + */ + SourceMapConsumer.prototype._findMapping = + function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName, + aColumnName, aComparator) { + // To return the position we are searching for, we must first find the + // mapping for the given position and then return the opposite position it + // points to. Because the mappings are sorted, we can use binary search to + // find the best mapping. + + if (aNeedle[aLineName] <= 0) { + throw new TypeError('Line must be greater than or equal to 1, got ' + + aNeedle[aLineName]); + } + if (aNeedle[aColumnName] < 0) { + throw new TypeError('Column must be greater than or equal to 0, got ' + + aNeedle[aColumnName]); + } + + return binarySearch.search(aNeedle, aMappings, aComparator); + }; + + /** + * Returns the original source, line, and column information for the generated + * source's line and column positions provided. The only argument is an object + * with the following properties: + * + * - line: The line number in the generated source. + * - column: The column number in the generated source. + * + * and an object is returned with the following properties: + * + * - source: The original source file, or null. + * - line: The line number in the original source, or null. + * - column: The column number in the original source, or null. + * - name: The original identifier, or null. + */ + SourceMapConsumer.prototype.originalPositionFor = + function SourceMapConsumer_originalPositionFor(aArgs) { + var needle = { + generatedLine: util.getArg(aArgs, 'line'), + generatedColumn: util.getArg(aArgs, 'column') + }; + + var mapping = this._findMapping(needle, + this._generatedMappings, + "generatedLine", + "generatedColumn", + util.compareByGeneratedPositions); + + if (mapping) { + var source = util.getArg(mapping, 'source', null); + if (source && this.sourceRoot) { + source = util.join(this.sourceRoot, source); + } + return { + source: source, + line: util.getArg(mapping, 'originalLine', null), + column: util.getArg(mapping, 'originalColumn', null), + name: util.getArg(mapping, 'name', null) + }; + } + + return { + source: null, + line: null, + column: null, + name: null + }; + }; + + /** + * Returns the original source content. The only argument is the url of the + * original source file. Returns null if no original source content is + * availible. + */ + SourceMapConsumer.prototype.sourceContentFor = + function SourceMapConsumer_sourceContentFor(aSource) { + if (!this.sourcesContent) { + return null; + } + + if (this.sourceRoot) { + aSource = util.relative(this.sourceRoot, aSource); + } + + if (this._sources.has(aSource)) { + return this.sourcesContent[this._sources.indexOf(aSource)]; + } + + var url; + if (this.sourceRoot + && (url = util.urlParse(this.sourceRoot))) { + // XXX: file:// URIs and absolute paths lead to unexpected behavior for + // many users. We can help them out when they expect file:// URIs to + // behave like it would if they were running a local HTTP server. See + // https://bugzilla.mozilla.org/show_bug.cgi?id=885597. + var fileUriAbsPath = aSource.replace(/^file:\/\//, ""); + if (url.scheme == "file" + && this._sources.has(fileUriAbsPath)) { + return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)] + } + + if ((!url.path || url.path == "/") + && this._sources.has("/" + aSource)) { + return this.sourcesContent[this._sources.indexOf("/" + aSource)]; + } + } + + throw new Error('"' + aSource + '" is not in the SourceMap.'); + }; + + /** + * Returns the generated line and column information for the original source, + * line, and column positions provided. The only argument is an object with + * the following properties: + * + * - source: The filename of the original source. + * - line: The line number in the original source. + * - column: The column number in the original source. + * + * and an object is returned with the following properties: + * + * - line: The line number in the generated source, or null. + * - column: The column number in the generated source, or null. + */ + SourceMapConsumer.prototype.generatedPositionFor = + function SourceMapConsumer_generatedPositionFor(aArgs) { + var needle = { + source: util.getArg(aArgs, 'source'), + originalLine: util.getArg(aArgs, 'line'), + originalColumn: util.getArg(aArgs, 'column') + }; + + if (this.sourceRoot) { + needle.source = util.relative(this.sourceRoot, needle.source); + } + + var mapping = this._findMapping(needle, + this._originalMappings, + "originalLine", + "originalColumn", + util.compareByOriginalPositions); + + if (mapping) { + return { + line: util.getArg(mapping, 'generatedLine', null), + column: util.getArg(mapping, 'generatedColumn', null) + }; + } + + return { + line: null, + column: null + }; + }; + + SourceMapConsumer.GENERATED_ORDER = 1; + SourceMapConsumer.ORIGINAL_ORDER = 2; + + /** + * Iterate over each mapping between an original source/line/column and a + * generated line/column in this source map. + * + * @param Function aCallback + * The function that is called with each mapping. + * @param Object aContext + * Optional. If specified, this object will be the value of `this` every + * time that `aCallback` is called. + * @param aOrder + * Either `SourceMapConsumer.GENERATED_ORDER` or + * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to + * iterate over the mappings sorted by the generated file's line/column + * order or the original's source/line/column order, respectively. Defaults to + * `SourceMapConsumer.GENERATED_ORDER`. + */ + SourceMapConsumer.prototype.eachMapping = + function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) { + var context = aContext || null; + var order = aOrder || SourceMapConsumer.GENERATED_ORDER; + + var mappings; + switch (order) { + case SourceMapConsumer.GENERATED_ORDER: + mappings = this._generatedMappings; + break; + case SourceMapConsumer.ORIGINAL_ORDER: + mappings = this._originalMappings; + break; + default: + throw new Error("Unknown order of iteration."); + } + + var sourceRoot = this.sourceRoot; + mappings.map(function (mapping) { + var source = mapping.source; + if (source && sourceRoot) { + source = util.join(sourceRoot, source); + } + return { + source: source, + generatedLine: mapping.generatedLine, + generatedColumn: mapping.generatedColumn, + originalLine: mapping.originalLine, + originalColumn: mapping.originalColumn, + name: mapping.name + }; + }).forEach(aCallback, context); + }; + + exports.SourceMapConsumer = SourceMapConsumer; + +}); + +},{"./array-set":12,"./base64-vlq":13,"./binary-search":15,"./util":19,"amdefine":20}],17:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var base64VLQ = _dereq_('./base64-vlq'); + var util = _dereq_('./util'); + var ArraySet = _dereq_('./array-set').ArraySet; + + /** + * An instance of the SourceMapGenerator represents a source map which is + * being built incrementally. To create a new one, you must pass an object + * with the following properties: + * + * - file: The filename of the generated source. + * - sourceRoot: An optional root for all URLs in this source map. + */ + function SourceMapGenerator(aArgs) { + this._file = util.getArg(aArgs, 'file'); + this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null); + this._sources = new ArraySet(); + this._names = new ArraySet(); + this._mappings = []; + this._sourcesContents = null; + } + + SourceMapGenerator.prototype._version = 3; + + /** + * Creates a new SourceMapGenerator based on a SourceMapConsumer + * + * @param aSourceMapConsumer The SourceMap. + */ + SourceMapGenerator.fromSourceMap = + function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) { + var sourceRoot = aSourceMapConsumer.sourceRoot; + var generator = new SourceMapGenerator({ + file: aSourceMapConsumer.file, + sourceRoot: sourceRoot + }); + aSourceMapConsumer.eachMapping(function (mapping) { + var newMapping = { + generated: { + line: mapping.generatedLine, + column: mapping.generatedColumn + } + }; + + if (mapping.source) { + newMapping.source = mapping.source; + if (sourceRoot) { + newMapping.source = util.relative(sourceRoot, newMapping.source); + } + + newMapping.original = { + line: mapping.originalLine, + column: mapping.originalColumn + }; + + if (mapping.name) { + newMapping.name = mapping.name; + } + } + + generator.addMapping(newMapping); + }); + aSourceMapConsumer.sources.forEach(function (sourceFile) { + var content = aSourceMapConsumer.sourceContentFor(sourceFile); + if (content) { + generator.setSourceContent(sourceFile, content); + } + }); + return generator; + }; + + /** + * Add a single mapping from original source line and column to the generated + * source's line and column for this source map being created. The mapping + * object should have the following properties: + * + * - generated: An object with the generated line and column positions. + * - original: An object with the original line and column positions. + * - source: The original source file (relative to the sourceRoot). + * - name: An optional original token name for this mapping. + */ + SourceMapGenerator.prototype.addMapping = + function SourceMapGenerator_addMapping(aArgs) { + var generated = util.getArg(aArgs, 'generated'); + var original = util.getArg(aArgs, 'original', null); + var source = util.getArg(aArgs, 'source', null); + var name = util.getArg(aArgs, 'name', null); + + this._validateMapping(generated, original, source, name); + + if (source && !this._sources.has(source)) { + this._sources.add(source); + } + + if (name && !this._names.has(name)) { + this._names.add(name); + } + + this._mappings.push({ + generatedLine: generated.line, + generatedColumn: generated.column, + originalLine: original != null && original.line, + originalColumn: original != null && original.column, + source: source, + name: name + }); + }; + + /** + * Set the source content for a source file. + */ + SourceMapGenerator.prototype.setSourceContent = + function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) { + var source = aSourceFile; + if (this._sourceRoot) { + source = util.relative(this._sourceRoot, source); + } + + if (aSourceContent !== null) { + // Add the source content to the _sourcesContents map. + // Create a new _sourcesContents map if the property is null. + if (!this._sourcesContents) { + this._sourcesContents = {}; + } + this._sourcesContents[util.toSetString(source)] = aSourceContent; + } else { + // Remove the source file from the _sourcesContents map. + // If the _sourcesContents map is empty, set the property to null. + delete this._sourcesContents[util.toSetString(source)]; + if (Object.keys(this._sourcesContents).length === 0) { + this._sourcesContents = null; + } + } + }; + + /** + * Applies the mappings of a sub-source-map for a specific source file to the + * source map being generated. Each mapping to the supplied source file is + * rewritten using the supplied source map. Note: The resolution for the + * resulting mappings is the minimium of this map and the supplied map. + * + * @param aSourceMapConsumer The source map to be applied. + * @param aSourceFile Optional. The filename of the source file. + * If omitted, SourceMapConsumer's file property will be used. + */ + SourceMapGenerator.prototype.applySourceMap = + function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile) { + // If aSourceFile is omitted, we will use the file property of the SourceMap + if (!aSourceFile) { + aSourceFile = aSourceMapConsumer.file; + } + var sourceRoot = this._sourceRoot; + // Make "aSourceFile" relative if an absolute Url is passed. + if (sourceRoot) { + aSourceFile = util.relative(sourceRoot, aSourceFile); + } + // Applying the SourceMap can add and remove items from the sources and + // the names array. + var newSources = new ArraySet(); + var newNames = new ArraySet(); + + // Find mappings for the "aSourceFile" + this._mappings.forEach(function (mapping) { + if (mapping.source === aSourceFile && mapping.originalLine) { + // Check if it can be mapped by the source map, then update the mapping. + var original = aSourceMapConsumer.originalPositionFor({ + line: mapping.originalLine, + column: mapping.originalColumn + }); + if (original.source !== null) { + // Copy mapping + if (sourceRoot) { + mapping.source = util.relative(sourceRoot, original.source); + } else { + mapping.source = original.source; + } + mapping.originalLine = original.line; + mapping.originalColumn = original.column; + if (original.name !== null && mapping.name !== null) { + // Only use the identifier name if it's an identifier + // in both SourceMaps + mapping.name = original.name; + } + } + } + + var source = mapping.source; + if (source && !newSources.has(source)) { + newSources.add(source); + } + + var name = mapping.name; + if (name && !newNames.has(name)) { + newNames.add(name); + } + + }, this); + this._sources = newSources; + this._names = newNames; + + // Copy sourcesContents of applied map. + aSourceMapConsumer.sources.forEach(function (sourceFile) { + var content = aSourceMapConsumer.sourceContentFor(sourceFile); + if (content) { + if (sourceRoot) { + sourceFile = util.relative(sourceRoot, sourceFile); + } + this.setSourceContent(sourceFile, content); + } + }, this); + }; + + /** + * A mapping can have one of the three levels of data: + * + * 1. Just the generated position. + * 2. The Generated position, original position, and original source. + * 3. Generated and original position, original source, as well as a name + * token. + * + * To maintain consistency, we validate that any new mapping being added falls + * in to one of these categories. + */ + SourceMapGenerator.prototype._validateMapping = + function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource, + aName) { + if (aGenerated && 'line' in aGenerated && 'column' in aGenerated + && aGenerated.line > 0 && aGenerated.column >= 0 + && !aOriginal && !aSource && !aName) { + // Case 1. + return; + } + else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated + && aOriginal && 'line' in aOriginal && 'column' in aOriginal + && aGenerated.line > 0 && aGenerated.column >= 0 + && aOriginal.line > 0 && aOriginal.column >= 0 + && aSource) { + // Cases 2 and 3. + return; + } + else { + throw new Error('Invalid mapping: ' + JSON.stringify({ + generated: aGenerated, + source: aSource, + orginal: aOriginal, + name: aName + })); + } + }; + + /** + * Serialize the accumulated mappings in to the stream of base 64 VLQs + * specified by the source map format. + */ + SourceMapGenerator.prototype._serializeMappings = + function SourceMapGenerator_serializeMappings() { + var previousGeneratedColumn = 0; + var previousGeneratedLine = 1; + var previousOriginalColumn = 0; + var previousOriginalLine = 0; + var previousName = 0; + var previousSource = 0; + var result = ''; + var mapping; + + // The mappings must be guaranteed to be in sorted order before we start + // serializing them or else the generated line numbers (which are defined + // via the ';' separators) will be all messed up. Note: it might be more + // performant to maintain the sorting as we insert them, rather than as we + // serialize them, but the big O is the same either way. + this._mappings.sort(util.compareByGeneratedPositions); + + for (var i = 0, len = this._mappings.length; i < len; i++) { + mapping = this._mappings[i]; + + if (mapping.generatedLine !== previousGeneratedLine) { + previousGeneratedColumn = 0; + while (mapping.generatedLine !== previousGeneratedLine) { + result += ';'; + previousGeneratedLine++; + } + } + else { + if (i > 0) { + if (!util.compareByGeneratedPositions(mapping, this._mappings[i - 1])) { + continue; + } + result += ','; + } + } + + result += base64VLQ.encode(mapping.generatedColumn + - previousGeneratedColumn); + previousGeneratedColumn = mapping.generatedColumn; + + if (mapping.source) { + result += base64VLQ.encode(this._sources.indexOf(mapping.source) + - previousSource); + previousSource = this._sources.indexOf(mapping.source); + + // lines are stored 0-based in SourceMap spec version 3 + result += base64VLQ.encode(mapping.originalLine - 1 + - previousOriginalLine); + previousOriginalLine = mapping.originalLine - 1; + + result += base64VLQ.encode(mapping.originalColumn + - previousOriginalColumn); + previousOriginalColumn = mapping.originalColumn; + + if (mapping.name) { + result += base64VLQ.encode(this._names.indexOf(mapping.name) + - previousName); + previousName = this._names.indexOf(mapping.name); + } + } + } + + return result; + }; + + SourceMapGenerator.prototype._generateSourcesContent = + function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) { + return aSources.map(function (source) { + if (!this._sourcesContents) { + return null; + } + if (aSourceRoot) { + source = util.relative(aSourceRoot, source); + } + var key = util.toSetString(source); + return Object.prototype.hasOwnProperty.call(this._sourcesContents, + key) + ? this._sourcesContents[key] + : null; + }, this); + }; + + /** + * Externalize the source map. + */ + SourceMapGenerator.prototype.toJSON = + function SourceMapGenerator_toJSON() { + var map = { + version: this._version, + file: this._file, + sources: this._sources.toArray(), + names: this._names.toArray(), + mappings: this._serializeMappings() + }; + if (this._sourceRoot) { + map.sourceRoot = this._sourceRoot; + } + if (this._sourcesContents) { + map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot); + } + + return map; + }; + + /** + * Render the source map being generated to a string. + */ + SourceMapGenerator.prototype.toString = + function SourceMapGenerator_toString() { + return JSON.stringify(this); + }; + + exports.SourceMapGenerator = SourceMapGenerator; + +}); + +},{"./array-set":12,"./base64-vlq":13,"./util":19,"amdefine":20}],18:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + var SourceMapGenerator = _dereq_('./source-map-generator').SourceMapGenerator; + var util = _dereq_('./util'); + + /** + * SourceNodes provide a way to abstract over interpolating/concatenating + * snippets of generated JavaScript source code while maintaining the line and + * column information associated with the original source code. + * + * @param aLine The original line number. + * @param aColumn The original column number. + * @param aSource The original source's filename. + * @param aChunks Optional. An array of strings which are snippets of + * generated JS, or other SourceNodes. + * @param aName The original identifier. + */ + function SourceNode(aLine, aColumn, aSource, aChunks, aName) { + this.children = []; + this.sourceContents = {}; + this.line = aLine === undefined ? null : aLine; + this.column = aColumn === undefined ? null : aColumn; + this.source = aSource === undefined ? null : aSource; + this.name = aName === undefined ? null : aName; + if (aChunks != null) this.add(aChunks); + } + + /** + * Creates a SourceNode from generated code and a SourceMapConsumer. + * + * @param aGeneratedCode The generated code + * @param aSourceMapConsumer The SourceMap for the generated code + */ + SourceNode.fromStringWithSourceMap = + function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer) { + // The SourceNode we want to fill with the generated code + // and the SourceMap + var node = new SourceNode(); + + // The generated code + // Processed fragments are removed from this array. + var remainingLines = aGeneratedCode.split('\n'); + + // We need to remember the position of "remainingLines" + var lastGeneratedLine = 1, lastGeneratedColumn = 0; + + // The generate SourceNodes we need a code range. + // To extract it current and last mapping is used. + // Here we store the last mapping. + var lastMapping = null; + + aSourceMapConsumer.eachMapping(function (mapping) { + if (lastMapping === null) { + // We add the generated code until the first mapping + // to the SourceNode without any mapping. + // Each line is added as separate string. + while (lastGeneratedLine < mapping.generatedLine) { + node.add(remainingLines.shift() + "\n"); + lastGeneratedLine++; + } + if (lastGeneratedColumn < mapping.generatedColumn) { + var nextLine = remainingLines[0]; + node.add(nextLine.substr(0, mapping.generatedColumn)); + remainingLines[0] = nextLine.substr(mapping.generatedColumn); + lastGeneratedColumn = mapping.generatedColumn; + } + } else { + // We add the code from "lastMapping" to "mapping": + // First check if there is a new line in between. + if (lastGeneratedLine < mapping.generatedLine) { + var code = ""; + // Associate full lines with "lastMapping" + do { + code += remainingLines.shift() + "\n"; + lastGeneratedLine++; + lastGeneratedColumn = 0; + } while (lastGeneratedLine < mapping.generatedLine); + // When we reached the correct line, we add code until we + // reach the correct column too. + if (lastGeneratedColumn < mapping.generatedColumn) { + var nextLine = remainingLines[0]; + code += nextLine.substr(0, mapping.generatedColumn); + remainingLines[0] = nextLine.substr(mapping.generatedColumn); + lastGeneratedColumn = mapping.generatedColumn; + } + // Create the SourceNode. + addMappingWithCode(lastMapping, code); + } else { + // There is no new line in between. + // Associate the code between "lastGeneratedColumn" and + // "mapping.generatedColumn" with "lastMapping" + var nextLine = remainingLines[0]; + var code = nextLine.substr(0, mapping.generatedColumn - + lastGeneratedColumn); + remainingLines[0] = nextLine.substr(mapping.generatedColumn - + lastGeneratedColumn); + lastGeneratedColumn = mapping.generatedColumn; + addMappingWithCode(lastMapping, code); + } + } + lastMapping = mapping; + }, this); + // We have processed all mappings. + // Associate the remaining code in the current line with "lastMapping" + // and add the remaining lines without any mapping + addMappingWithCode(lastMapping, remainingLines.join("\n")); + + // Copy sourcesContent into SourceNode + aSourceMapConsumer.sources.forEach(function (sourceFile) { + var content = aSourceMapConsumer.sourceContentFor(sourceFile); + if (content) { + node.setSourceContent(sourceFile, content); + } + }); + + return node; + + function addMappingWithCode(mapping, code) { + if (mapping === null || mapping.source === undefined) { + node.add(code); + } else { + node.add(new SourceNode(mapping.originalLine, + mapping.originalColumn, + mapping.source, + code, + mapping.name)); + } + } + }; + + /** + * Add a chunk of generated JS to this source node. + * + * @param aChunk A string snippet of generated JS code, another instance of + * SourceNode, or an array where each member is one of those things. + */ + SourceNode.prototype.add = function SourceNode_add(aChunk) { + if (Array.isArray(aChunk)) { + aChunk.forEach(function (chunk) { + this.add(chunk); + }, this); + } + else if (aChunk instanceof SourceNode || typeof aChunk === "string") { + if (aChunk) { + this.children.push(aChunk); + } + } + else { + throw new TypeError( + "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk + ); + } + return this; + }; + + /** + * Add a chunk of generated JS to the beginning of this source node. + * + * @param aChunk A string snippet of generated JS code, another instance of + * SourceNode, or an array where each member is one of those things. + */ + SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) { + if (Array.isArray(aChunk)) { + for (var i = aChunk.length-1; i >= 0; i--) { + this.prepend(aChunk[i]); + } + } + else if (aChunk instanceof SourceNode || typeof aChunk === "string") { + this.children.unshift(aChunk); + } + else { + throw new TypeError( + "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk + ); + } + return this; + }; + + /** + * Walk over the tree of JS snippets in this node and its children. The + * walking function is called once for each snippet of JS and is passed that + * snippet and the its original associated source's line/column location. + * + * @param aFn The traversal function. + */ + SourceNode.prototype.walk = function SourceNode_walk(aFn) { + var chunk; + for (var i = 0, len = this.children.length; i < len; i++) { + chunk = this.children[i]; + if (chunk instanceof SourceNode) { + chunk.walk(aFn); + } + else { + if (chunk !== '') { + aFn(chunk, { source: this.source, + line: this.line, + column: this.column, + name: this.name }); + } + } + } + }; + + /** + * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between + * each of `this.children`. + * + * @param aSep The separator. + */ + SourceNode.prototype.join = function SourceNode_join(aSep) { + var newChildren; + var i; + var len = this.children.length; + if (len > 0) { + newChildren = []; + for (i = 0; i < len-1; i++) { + newChildren.push(this.children[i]); + newChildren.push(aSep); + } + newChildren.push(this.children[i]); + this.children = newChildren; + } + return this; + }; + + /** + * Call String.prototype.replace on the very right-most source snippet. Useful + * for trimming whitespace from the end of a source node, etc. + * + * @param aPattern The pattern to replace. + * @param aReplacement The thing to replace the pattern with. + */ + SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) { + var lastChild = this.children[this.children.length - 1]; + if (lastChild instanceof SourceNode) { + lastChild.replaceRight(aPattern, aReplacement); + } + else if (typeof lastChild === 'string') { + this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement); + } + else { + this.children.push(''.replace(aPattern, aReplacement)); + } + return this; + }; + + /** + * Set the source content for a source file. This will be added to the SourceMapGenerator + * in the sourcesContent field. + * + * @param aSourceFile The filename of the source file + * @param aSourceContent The content of the source file + */ + SourceNode.prototype.setSourceContent = + function SourceNode_setSourceContent(aSourceFile, aSourceContent) { + this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent; + }; + + /** + * Walk over the tree of SourceNodes. The walking function is called for each + * source file content and is passed the filename and source content. + * + * @param aFn The traversal function. + */ + SourceNode.prototype.walkSourceContents = + function SourceNode_walkSourceContents(aFn) { + for (var i = 0, len = this.children.length; i < len; i++) { + if (this.children[i] instanceof SourceNode) { + this.children[i].walkSourceContents(aFn); + } + } + + var sources = Object.keys(this.sourceContents); + for (var i = 0, len = sources.length; i < len; i++) { + aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]); + } + }; + + /** + * Return the string representation of this source node. Walks over the tree + * and concatenates all the various snippets together to one string. + */ + SourceNode.prototype.toString = function SourceNode_toString() { + var str = ""; + this.walk(function (chunk) { + str += chunk; + }); + return str; + }; + + /** + * Returns the string representation of this source node along with a source + * map. + */ + SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) { + var generated = { + code: "", + line: 1, + column: 0 + }; + var map = new SourceMapGenerator(aArgs); + var sourceMappingActive = false; + var lastOriginalSource = null; + var lastOriginalLine = null; + var lastOriginalColumn = null; + var lastOriginalName = null; + this.walk(function (chunk, original) { + generated.code += chunk; + if (original.source !== null + && original.line !== null + && original.column !== null) { + if(lastOriginalSource !== original.source + || lastOriginalLine !== original.line + || lastOriginalColumn !== original.column + || lastOriginalName !== original.name) { + map.addMapping({ + source: original.source, + original: { + line: original.line, + column: original.column + }, + generated: { + line: generated.line, + column: generated.column + }, + name: original.name + }); + } + lastOriginalSource = original.source; + lastOriginalLine = original.line; + lastOriginalColumn = original.column; + lastOriginalName = original.name; + sourceMappingActive = true; + } else if (sourceMappingActive) { + map.addMapping({ + generated: { + line: generated.line, + column: generated.column + } + }); + lastOriginalSource = null; + sourceMappingActive = false; + } + chunk.split('').forEach(function (ch) { + if (ch === '\n') { + generated.line++; + generated.column = 0; + } else { + generated.column++; + } + }); + }); + this.walkSourceContents(function (sourceFile, sourceContent) { + map.setSourceContent(sourceFile, sourceContent); + }); + + return { code: generated.code, map: map }; + }; + + exports.SourceNode = SourceNode; + +}); + +},{"./source-map-generator":17,"./util":19,"amdefine":20}],19:[function(_dereq_,module,exports){ +/* -*- Mode: js; js-indent-level: 2; -*- */ +/* + * Copyright 2011 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE or: + * http://opensource.org/licenses/BSD-3-Clause + */ +if (typeof define !== 'function') { + var define = _dereq_('amdefine')(module, _dereq_); +} +define(function (_dereq_, exports, module) { + + /** + * This is a helper function for getting values from parameter/options + * objects. + * + * @param args The object we are extracting values from + * @param name The name of the property we are getting. + * @param defaultValue An optional value to return if the property is missing + * from the object. If this is not specified and the property is missing, an + * error will be thrown. + */ + function getArg(aArgs, aName, aDefaultValue) { + if (aName in aArgs) { + return aArgs[aName]; + } else if (arguments.length === 3) { + return aDefaultValue; + } else { + throw new Error('"' + aName + '" is a required argument.'); + } + } + exports.getArg = getArg; + + var urlRegexp = /([\w+\-.]+):\/\/((\w+:\w+)@)?([\w.]+)?(:(\d+))?(\S+)?/; + var dataUrlRegexp = /^data:.+\,.+/; + + function urlParse(aUrl) { + var match = aUrl.match(urlRegexp); + if (!match) { + return null; + } + return { + scheme: match[1], + auth: match[3], + host: match[4], + port: match[6], + path: match[7] + }; + } + exports.urlParse = urlParse; + + function urlGenerate(aParsedUrl) { + var url = aParsedUrl.scheme + "://"; + if (aParsedUrl.auth) { + url += aParsedUrl.auth + "@" + } + if (aParsedUrl.host) { + url += aParsedUrl.host; + } + if (aParsedUrl.port) { + url += ":" + aParsedUrl.port + } + if (aParsedUrl.path) { + url += aParsedUrl.path; + } + return url; + } + exports.urlGenerate = urlGenerate; + + function join(aRoot, aPath) { + var url; + + if (aPath.match(urlRegexp) || aPath.match(dataUrlRegexp)) { + return aPath; + } + + if (aPath.charAt(0) === '/' && (url = urlParse(aRoot))) { + url.path = aPath; + return urlGenerate(url); + } + + return aRoot.replace(/\/$/, '') + '/' + aPath; + } + exports.join = join; + + /** + * Because behavior goes wacky when you set `__proto__` on objects, we + * have to prefix all the strings in our set with an arbitrary character. + * + * See https://github.com/mozilla/source-map/pull/31 and + * https://github.com/mozilla/source-map/issues/30 + * + * @param String aStr + */ + function toSetString(aStr) { + return '$' + aStr; + } + exports.toSetString = toSetString; + + function fromSetString(aStr) { + return aStr.substr(1); + } + exports.fromSetString = fromSetString; + + function relative(aRoot, aPath) { + aRoot = aRoot.replace(/\/$/, ''); + + var url = urlParse(aRoot); + if (aPath.charAt(0) == "/" && url && url.path == "/") { + return aPath.slice(1); + } + + return aPath.indexOf(aRoot + '/') === 0 + ? aPath.substr(aRoot.length + 1) + : aPath; + } + exports.relative = relative; + + function strcmp(aStr1, aStr2) { + var s1 = aStr1 || ""; + var s2 = aStr2 || ""; + return (s1 > s2) - (s1 < s2); + } + + /** + * Comparator between two mappings where the original positions are compared. + * + * Optionally pass in `true` as `onlyCompareGenerated` to consider two + * mappings with the same original source/line/column, but different generated + * line and column the same. Useful when searching for a mapping with a + * stubbed out mapping. + */ + function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) { + var cmp; + + cmp = strcmp(mappingA.source, mappingB.source); + if (cmp) { + return cmp; + } + + cmp = mappingA.originalLine - mappingB.originalLine; + if (cmp) { + return cmp; + } + + cmp = mappingA.originalColumn - mappingB.originalColumn; + if (cmp || onlyCompareOriginal) { + return cmp; + } + + cmp = strcmp(mappingA.name, mappingB.name); + if (cmp) { + return cmp; + } + + cmp = mappingA.generatedLine - mappingB.generatedLine; + if (cmp) { + return cmp; + } + + return mappingA.generatedColumn - mappingB.generatedColumn; + }; + exports.compareByOriginalPositions = compareByOriginalPositions; + + /** + * Comparator between two mappings where the generated positions are + * compared. + * + * Optionally pass in `true` as `onlyCompareGenerated` to consider two + * mappings with the same generated line and column, but different + * source/name/original line and column the same. Useful when searching for a + * mapping with a stubbed out mapping. + */ + function compareByGeneratedPositions(mappingA, mappingB, onlyCompareGenerated) { + var cmp; + + cmp = mappingA.generatedLine - mappingB.generatedLine; + if (cmp) { + return cmp; + } + + cmp = mappingA.generatedColumn - mappingB.generatedColumn; + if (cmp || onlyCompareGenerated) { + return cmp; + } + + cmp = strcmp(mappingA.source, mappingB.source); + if (cmp) { + return cmp; + } + + cmp = mappingA.originalLine - mappingB.originalLine; + if (cmp) { + return cmp; + } + + cmp = mappingA.originalColumn - mappingB.originalColumn; + if (cmp) { + return cmp; + } + + return strcmp(mappingA.name, mappingB.name); + }; + exports.compareByGeneratedPositions = compareByGeneratedPositions; + +}); + +},{"amdefine":20}],20:[function(_dereq_,module,exports){ +(function (process,__filename){ +/** vim: et:ts=4:sw=4:sts=4 + * @license amdefine 0.1.0 Copyright (c) 2011, The Dojo Foundation All Rights Reserved. + * Available via the MIT or new BSD license. + * see: http://github.com/jrburke/amdefine for details + */ + +/*jslint node: true */ +/*global module, process */ +'use strict'; + +/** + * Creates a define for node. + * @param {Object} module the "module" object that is defined by Node for the + * current module. + * @param {Function} [requireFn]. Node's require function for the current module. + * It only needs to be passed in Node versions before 0.5, when module.require + * did not exist. + * @returns {Function} a define function that is usable for the current node + * module. + */ +function amdefine(module, requireFn) { + 'use strict'; + var defineCache = {}, + loaderCache = {}, + alreadyCalled = false, + path = _dereq_('path'), + makeRequire, stringRequire; + + /** + * Trims the . and .. from an array of path segments. + * It will keep a leading path segment if a .. will become + * the first path segment, to help with module name lookups, + * which act like paths, but can be remapped. But the end result, + * all paths that use this function should look normalized. + * NOTE: this method MODIFIES the input array. + * @param {Array} ary the array of path segments. + */ + function trimDots(ary) { + var i, part; + for (i = 0; ary[i]; i+= 1) { + part = ary[i]; + if (part === '.') { + ary.splice(i, 1); + i -= 1; + } else if (part === '..') { + if (i === 1 && (ary[2] === '..' || ary[0] === '..')) { + //End of the line. Keep at least one non-dot + //path segment at the front so it can be mapped + //correctly to disk. Otherwise, there is likely + //no path mapping for a path starting with '..'. + //This can still fail, but catches the most reasonable + //uses of .. + break; + } else if (i > 0) { + ary.splice(i - 1, 2); + i -= 2; + } + } + } + } + + function normalize(name, baseName) { + var baseParts; + + //Adjust any relative paths. + if (name && name.charAt(0) === '.') { + //If have a base name, try to normalize against it, + //otherwise, assume it is a top-level require that will + //be relative to baseUrl in the end. + if (baseName) { + baseParts = baseName.split('/'); + baseParts = baseParts.slice(0, baseParts.length - 1); + baseParts = baseParts.concat(name.split('/')); + trimDots(baseParts); + name = baseParts.join('/'); + } + } + + return name; + } + + /** + * Create the normalize() function passed to a loader plugin's + * normalize method. + */ + function makeNormalize(relName) { + return function (name) { + return normalize(name, relName); + }; + } + + function makeLoad(id) { + function load(value) { + loaderCache[id] = value; + } + + load.fromText = function (id, text) { + //This one is difficult because the text can/probably uses + //define, and any relative paths and requires should be relative + //to that id was it would be found on disk. But this would require + //bootstrapping a module/require fairly deeply from node core. + //Not sure how best to go about that yet. + throw new Error('amdefine does not implement load.fromText'); + }; + + return load; + } + + makeRequire = function (systemRequire, exports, module, relId) { + function amdRequire(deps, callback) { + if (typeof deps === 'string') { + //Synchronous, single module require('') + return stringRequire(systemRequire, exports, module, deps, relId); + } else { + //Array of dependencies with a callback. + + //Convert the dependencies to modules. + deps = deps.map(function (depName) { + return stringRequire(systemRequire, exports, module, depName, relId); + }); + + //Wait for next tick to call back the require call. + process.nextTick(function () { + callback.apply(null, deps); + }); + } + } + + amdRequire.toUrl = function (filePath) { + if (filePath.indexOf('.') === 0) { + return normalize(filePath, path.dirname(module.filename)); + } else { + return filePath; + } + }; + + return amdRequire; + }; + + //Favor explicit value, passed in if the module wants to support Node 0.4. + requireFn = requireFn || function req() { + return module.require.apply(module, arguments); + }; + + function runFactory(id, deps, factory) { + var r, e, m, result; + + if (id) { + e = loaderCache[id] = {}; + m = { + id: id, + uri: __filename, + exports: e + }; + r = makeRequire(requireFn, e, m, id); + } else { + //Only support one define call per file + if (alreadyCalled) { + throw new Error('amdefine with no module ID cannot be called more than once per file.'); + } + alreadyCalled = true; + + //Use the real variables from node + //Use module.exports for exports, since + //the exports in here is amdefine exports. + e = module.exports; + m = module; + r = makeRequire(requireFn, e, m, module.id); + } + + //If there are dependencies, they are strings, so need + //to convert them to dependency values. + if (deps) { + deps = deps.map(function (depName) { + return r(depName); + }); + } + + //Call the factory with the right dependencies. + if (typeof factory === 'function') { + result = factory.apply(m.exports, deps); + } else { + result = factory; + } + + if (result !== undefined) { + m.exports = result; + if (id) { + loaderCache[id] = m.exports; + } + } + } + + stringRequire = function (systemRequire, exports, module, id, relId) { + //Split the ID by a ! so that + var index = id.indexOf('!'), + originalId = id, + prefix, plugin; + + if (index === -1) { + id = normalize(id, relId); + + //Straight module lookup. If it is one of the special dependencies, + //deal with it, otherwise, delegate to node. + if (id === 'require') { + return makeRequire(systemRequire, exports, module, relId); + } else if (id === 'exports') { + return exports; + } else if (id === 'module') { + return module; + } else if (loaderCache.hasOwnProperty(id)) { + return loaderCache[id]; + } else if (defineCache[id]) { + runFactory.apply(null, defineCache[id]); + return loaderCache[id]; + } else { + if(systemRequire) { + return systemRequire(originalId); + } else { + throw new Error('No module with ID: ' + id); + } + } + } else { + //There is a plugin in play. + prefix = id.substring(0, index); + id = id.substring(index + 1, id.length); + + plugin = stringRequire(systemRequire, exports, module, prefix, relId); + + if (plugin.normalize) { + id = plugin.normalize(id, makeNormalize(relId)); + } else { + //Normalize the ID normally. + id = normalize(id, relId); + } + + if (loaderCache[id]) { + return loaderCache[id]; + } else { + plugin.load(id, makeRequire(systemRequire, exports, module, relId), makeLoad(id), {}); + + return loaderCache[id]; + } + } + }; + + //Create a define function specific to the module asking for amdefine. + function define(id, deps, factory) { + if (Array.isArray(id)) { + factory = deps; + deps = id; + id = undefined; + } else if (typeof id !== 'string') { + factory = id; + id = deps = undefined; + } + + if (deps && !Array.isArray(deps)) { + factory = deps; + deps = undefined; + } + + if (!deps) { + deps = ['require', 'exports', 'module']; + } + + //Set up properties for this module. If an ID, then use + //internal cache. If no ID, then use the external variables + //for this node module. + if (id) { + //Put the module in deep freeze until there is a + //require call for it. + defineCache[id] = [id, deps, factory]; + } else { + runFactory(id, deps, factory); + } + } + + //define.require, which has access to all the values in the + //cache. Useful for AMD modules that all have IDs in the file, + //but need to finally export a value to node based on one of those + //IDs. + define.require = function (id) { + if (loaderCache[id]) { + return loaderCache[id]; + } + + if (defineCache[id]) { + runFactory.apply(null, defineCache[id]); + return loaderCache[id]; + } + }; + + define.amd = {}; + + return define; +} + +module.exports = amdefine; + +}).call(this,_dereq_('_process'),"/node_modules/jstransform/node_modules/source-map/node_modules/amdefine/amdefine.js") +},{"_process":8,"path":7}],21:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var docblockRe = /^\s*(\/\*\*(.|\r?\n)*?\*\/)/; +var ltrimRe = /^\s*/; +/** + * @param {String} contents + * @return {String} + */ +function extract(contents) { + var match = contents.match(docblockRe); + if (match) { + return match[0].replace(ltrimRe, '') || ''; + } + return ''; +} + + +var commentStartRe = /^\/\*\*?/; +var commentEndRe = /\*+\/$/; +var wsRe = /[\t ]+/g; +var stringStartRe = /(\r?\n|^) *\*/g; +var multilineRe = /(?:^|\r?\n) *(@[^\r\n]*?) *\r?\n *([^@\r\n\s][^@\r\n]+?) *\r?\n/g; +var propertyRe = /(?:^|\r?\n) *@(\S+) *([^\r\n]*)/g; + +/** + * @param {String} contents + * @return {Array} + */ +function parse(docblock) { + docblock = docblock + .replace(commentStartRe, '') + .replace(commentEndRe, '') + .replace(wsRe, ' ') + .replace(stringStartRe, '$1'); + + // Normalize multi-line directives + var prev = ''; + while (prev != docblock) { + prev = docblock; + docblock = docblock.replace(multilineRe, "\n$1 $2\n"); + } + docblock = docblock.trim(); + + var result = []; + var match; + while (match = propertyRe.exec(docblock)) { + result.push([match[1], match[2]]); + } + + return result; +} + +/** + * Same as parse but returns an object of prop: value instead of array of paris + * If a property appers more than once the last one will be returned + * + * @param {String} contents + * @return {Object} + */ +function parseAsObject(docblock) { + var pairs = parse(docblock); + var result = {}; + for (var i = 0; i < pairs.length; i++) { + result[pairs[i][0]] = pairs[i][1]; + } + return result; +} + + +exports.extract = extract; +exports.parse = parse; +exports.parseAsObject = parseAsObject; + +},{}],22:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +/*jslint node: true*/ +"use strict"; + +var esprima = _dereq_('esprima-fb'); +var utils = _dereq_('./utils'); + +var getBoundaryNode = utils.getBoundaryNode; +var declareIdentInScope = utils.declareIdentInLocalScope; +var initScopeMetadata = utils.initScopeMetadata; +var Syntax = esprima.Syntax; + +/** + * @param {object} node + * @param {object} parentNode + * @return {boolean} + */ +function _nodeIsClosureScopeBoundary(node, parentNode) { + if (node.type === Syntax.Program) { + return true; + } + + var parentIsFunction = + parentNode.type === Syntax.FunctionDeclaration + || parentNode.type === Syntax.FunctionExpression + || parentNode.type === Syntax.ArrowFunctionExpression; + + var parentIsCurlylessArrowFunc = + parentNode.type === Syntax.ArrowFunctionExpression + && node === parentNode.body; + + return parentIsFunction + && (node.type === Syntax.BlockStatement || parentIsCurlylessArrowFunc); +} + +function _nodeIsBlockScopeBoundary(node, parentNode) { + if (node.type === Syntax.Program) { + return false; + } + + return node.type === Syntax.BlockStatement + && parentNode.type === Syntax.CatchClause; +} + +/** + * @param {object} node + * @param {array} path + * @param {object} state + */ +function traverse(node, path, state) { + /*jshint -W004*/ + // Create a scope stack entry if this is the first node we've encountered in + // its local scope + var startIndex = null; + var parentNode = path[0]; + if (!Array.isArray(node) && state.localScope.parentNode !== parentNode) { + if (_nodeIsClosureScopeBoundary(node, parentNode)) { + var scopeIsStrict = state.scopeIsStrict; + if (!scopeIsStrict + && (node.type === Syntax.BlockStatement + || node.type === Syntax.Program)) { + scopeIsStrict = + node.body.length > 0 + && node.body[0].type === Syntax.ExpressionStatement + && node.body[0].expression.type === Syntax.Literal + && node.body[0].expression.value === 'use strict'; + } + + if (node.type === Syntax.Program) { + startIndex = state.g.buffer.length; + state = utils.updateState(state, { + scopeIsStrict: scopeIsStrict + }); + } else { + startIndex = state.g.buffer.length + 1; + state = utils.updateState(state, { + localScope: { + parentNode: parentNode, + parentScope: state.localScope, + identifiers: {}, + tempVarIndex: 0, + tempVars: [] + }, + scopeIsStrict: scopeIsStrict + }); + + // All functions have an implicit 'arguments' object in scope + declareIdentInScope('arguments', initScopeMetadata(node), state); + + // Include function arg identifiers in the scope boundaries of the + // function + if (parentNode.params.length > 0) { + var param; + var metadata = initScopeMetadata(parentNode, path.slice(1), path[0]); + for (var i = 0; i < parentNode.params.length; i++) { + param = parentNode.params[i]; + if (param.type === Syntax.Identifier) { + declareIdentInScope(param.name, metadata, state); + } + } + } + + // Include rest arg identifiers in the scope boundaries of their + // functions + if (parentNode.rest) { + var metadata = initScopeMetadata( + parentNode, + path.slice(1), + path[0] + ); + declareIdentInScope(parentNode.rest.name, metadata, state); + } + + // Named FunctionExpressions scope their name within the body block of + // themselves only + if (parentNode.type === Syntax.FunctionExpression && parentNode.id) { + var metaData = + initScopeMetadata(parentNode, path.parentNodeslice, parentNode); + declareIdentInScope(parentNode.id.name, metaData, state); + } + } + + // Traverse and find all local identifiers in this closure first to + // account for function/variable declaration hoisting + collectClosureIdentsAndTraverse(node, path, state); + } + + if (_nodeIsBlockScopeBoundary(node, parentNode)) { + startIndex = state.g.buffer.length; + state = utils.updateState(state, { + localScope: { + parentNode: parentNode, + parentScope: state.localScope, + identifiers: {}, + tempVarIndex: 0, + tempVars: [] + } + }); + + if (parentNode.type === Syntax.CatchClause) { + var metadata = initScopeMetadata( + parentNode, + path.slice(1), + parentNode + ); + declareIdentInScope(parentNode.param.name, metadata, state); + } + collectBlockIdentsAndTraverse(node, path, state); + } + } + + // Only catchup() before and after traversing a child node + function traverser(node, path, state) { + node.range && utils.catchup(node.range[0], state); + traverse(node, path, state); + node.range && utils.catchup(node.range[1], state); + } + + utils.analyzeAndTraverse(walker, traverser, node, path, state); + + // Inject temp variables into the scope. + if (startIndex !== null) { + utils.injectTempVarDeclarations(state, startIndex); + } +} + +function collectClosureIdentsAndTraverse(node, path, state) { + utils.analyzeAndTraverse( + visitLocalClosureIdentifiers, + collectClosureIdentsAndTraverse, + node, + path, + state + ); +} + +function collectBlockIdentsAndTraverse(node, path, state) { + utils.analyzeAndTraverse( + visitLocalBlockIdentifiers, + collectBlockIdentsAndTraverse, + node, + path, + state + ); +} + +function visitLocalClosureIdentifiers(node, path, state) { + var metaData; + switch (node.type) { + case Syntax.ArrowFunctionExpression: + case Syntax.FunctionExpression: + // Function expressions don't get their names (if there is one) added to + // the closure scope they're defined in + return false; + case Syntax.ClassDeclaration: + case Syntax.ClassExpression: + case Syntax.FunctionDeclaration: + if (node.id) { + metaData = initScopeMetadata(getBoundaryNode(path), path.slice(), node); + declareIdentInScope(node.id.name, metaData, state); + } + return false; + case Syntax.VariableDeclarator: + // Variables have function-local scope + if (path[0].kind === 'var') { + metaData = initScopeMetadata(getBoundaryNode(path), path.slice(), node); + declareIdentInScope(node.id.name, metaData, state); + } + break; + } +} + +function visitLocalBlockIdentifiers(node, path, state) { + // TODO: Support 'let' here...maybe...one day...or something... + if (node.type === Syntax.CatchClause) { + return false; + } +} + +function walker(node, path, state) { + var visitors = state.g.visitors; + for (var i = 0; i < visitors.length; i++) { + if (visitors[i].test(node, path, state)) { + return visitors[i](traverse, node, path, state); + } + } +} + +var _astCache = {}; + +function getAstForSource(source, options) { + if (_astCache[source] && !options.disableAstCache) { + return _astCache[source]; + } + var ast = esprima.parse(source, { + comment: true, + loc: true, + range: true, + sourceType: options.sourceType + }); + if (!options.disableAstCache) { + _astCache[source] = ast; + } + return ast; +} + +/** + * Applies all available transformations to the source + * @param {array} visitors + * @param {string} source + * @param {?object} options + * @return {object} + */ +function transform(visitors, source, options) { + options = options || {}; + var ast; + try { + ast = getAstForSource(source, options); + } catch (e) { + e.message = 'Parse Error: ' + e.message; + throw e; + } + var state = utils.createState(source, ast, options); + state.g.visitors = visitors; + + if (options.sourceMap) { + var SourceMapGenerator = _dereq_('source-map').SourceMapGenerator; + state.g.sourceMap = new SourceMapGenerator({file: options.filename || 'transformed.js'}); + } + + traverse(ast, [], state); + utils.catchup(source.length, state); + + var ret = {code: state.g.buffer, extra: state.g.extra}; + if (options.sourceMap) { + ret.sourceMap = state.g.sourceMap; + ret.sourceMapFilename = options.filename || 'source.js'; + } + return ret; +} + +exports.transform = transform; +exports.Syntax = Syntax; + +},{"./utils":23,"esprima-fb":9,"source-map":11}],23:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +/*jslint node: true*/ +var Syntax = _dereq_('esprima-fb').Syntax; +var leadingIndentRegexp = /(^|\n)( {2}|\t)/g; +var nonWhiteRegexp = /(\S)/g; + +/** + * A `state` object represents the state of the parser. It has "local" and + * "global" parts. Global contains parser position, source, etc. Local contains + * scope based properties like current class name. State should contain all the + * info required for transformation. It's the only mandatory object that is + * being passed to every function in transform chain. + * + * @param {string} source + * @param {object} transformOptions + * @return {object} + */ +function createState(source, rootNode, transformOptions) { + return { + /** + * A tree representing the current local scope (and its lexical scope chain) + * Useful for tracking identifiers from parent scopes, etc. + * @type {Object} + */ + localScope: { + parentNode: rootNode, + parentScope: null, + identifiers: {}, + tempVarIndex: 0, + tempVars: [] + }, + /** + * The name (and, if applicable, expression) of the super class + * @type {Object} + */ + superClass: null, + /** + * The namespace to use when munging identifiers + * @type {String} + */ + mungeNamespace: '', + /** + * Ref to the node for the current MethodDefinition + * @type {Object} + */ + methodNode: null, + /** + * Ref to the node for the FunctionExpression of the enclosing + * MethodDefinition + * @type {Object} + */ + methodFuncNode: null, + /** + * Name of the enclosing class + * @type {String} + */ + className: null, + /** + * Whether we're currently within a `strict` scope + * @type {Bool} + */ + scopeIsStrict: null, + /** + * Indentation offset + * @type {Number} + */ + indentBy: 0, + /** + * Global state (not affected by updateState) + * @type {Object} + */ + g: { + /** + * A set of general options that transformations can consider while doing + * a transformation: + * + * - minify + * Specifies that transformation steps should do their best to minify + * the output source when possible. This is useful for places where + * minification optimizations are possible with higher-level context + * info than what jsxmin can provide. + * + * For example, the ES6 class transform will minify munged private + * variables if this flag is set. + */ + opts: transformOptions, + /** + * Current position in the source code + * @type {Number} + */ + position: 0, + /** + * Auxiliary data to be returned by transforms + * @type {Object} + */ + extra: {}, + /** + * Buffer containing the result + * @type {String} + */ + buffer: '', + /** + * Source that is being transformed + * @type {String} + */ + source: source, + + /** + * Cached parsed docblock (see getDocblock) + * @type {object} + */ + docblock: null, + + /** + * Whether the thing was used + * @type {Boolean} + */ + tagNamespaceUsed: false, + + /** + * If using bolt xjs transformation + * @type {Boolean} + */ + isBolt: undefined, + + /** + * Whether to record source map (expensive) or not + * @type {SourceMapGenerator|null} + */ + sourceMap: null, + + /** + * Filename of the file being processed. Will be returned as a source + * attribute in the source map + */ + sourceMapFilename: 'source.js', + + /** + * Only when source map is used: last line in the source for which + * source map was generated + * @type {Number} + */ + sourceLine: 1, + + /** + * Only when source map is used: last line in the buffer for which + * source map was generated + * @type {Number} + */ + bufferLine: 1, + + /** + * The top-level Program AST for the original file. + */ + originalProgramAST: null, + + sourceColumn: 0, + bufferColumn: 0 + } + }; +} + +/** + * Updates a copy of a given state with "update" and returns an updated state. + * + * @param {object} state + * @param {object} update + * @return {object} + */ +function updateState(state, update) { + var ret = Object.create(state); + Object.keys(update).forEach(function(updatedKey) { + ret[updatedKey] = update[updatedKey]; + }); + return ret; +} + +/** + * Given a state fill the resulting buffer from the original source up to + * the end + * + * @param {number} end + * @param {object} state + * @param {?function} contentTransformer Optional callback to transform newly + * added content. + */ +function catchup(end, state, contentTransformer) { + if (end < state.g.position) { + // cannot move backwards + return; + } + var source = state.g.source.substring(state.g.position, end); + var transformed = updateIndent(source, state); + if (state.g.sourceMap && transformed) { + // record where we are + state.g.sourceMap.addMapping({ + generated: { line: state.g.bufferLine, column: state.g.bufferColumn }, + original: { line: state.g.sourceLine, column: state.g.sourceColumn }, + source: state.g.sourceMapFilename + }); + + // record line breaks in transformed source + var sourceLines = source.split('\n'); + var transformedLines = transformed.split('\n'); + // Add line break mappings between last known mapping and the end of the + // added piece. So for the code piece + // (foo, bar); + // > var x = 2; + // > var b = 3; + // var c = + // only add lines marked with ">": 2, 3. + for (var i = 1; i < sourceLines.length - 1; i++) { + state.g.sourceMap.addMapping({ + generated: { line: state.g.bufferLine, column: 0 }, + original: { line: state.g.sourceLine, column: 0 }, + source: state.g.sourceMapFilename + }); + state.g.sourceLine++; + state.g.bufferLine++; + } + // offset for the last piece + if (sourceLines.length > 1) { + state.g.sourceLine++; + state.g.bufferLine++; + state.g.sourceColumn = 0; + state.g.bufferColumn = 0; + } + state.g.sourceColumn += sourceLines[sourceLines.length - 1].length; + state.g.bufferColumn += + transformedLines[transformedLines.length - 1].length; + } + state.g.buffer += + contentTransformer ? contentTransformer(transformed) : transformed; + state.g.position = end; +} + +/** + * Returns original source for an AST node. + * @param {object} node + * @param {object} state + * @return {string} + */ +function getNodeSourceText(node, state) { + return state.g.source.substring(node.range[0], node.range[1]); +} + +function _replaceNonWhite(value) { + return value.replace(nonWhiteRegexp, ' '); +} + +/** + * Removes all non-whitespace characters + */ +function _stripNonWhite(value) { + return value.replace(nonWhiteRegexp, ''); +} + +/** + * Finds the position of the next instance of the specified syntactic char in + * the pending source. + * + * NOTE: This will skip instances of the specified char if they sit inside a + * comment body. + * + * NOTE: This function also assumes that the buffer's current position is not + * already within a comment or a string. This is rarely the case since all + * of the buffer-advancement utility methods tend to be used on syntactic + * nodes' range values -- but it's a small gotcha that's worth mentioning. + */ +function getNextSyntacticCharOffset(char, state) { + var pendingSource = state.g.source.substring(state.g.position); + var pendingSourceLines = pendingSource.split('\n'); + + var charOffset = 0; + var line; + var withinBlockComment = false; + var withinString = false; + lineLoop: while ((line = pendingSourceLines.shift()) !== undefined) { + var lineEndPos = charOffset + line.length; + charLoop: for (; charOffset < lineEndPos; charOffset++) { + var currChar = pendingSource[charOffset]; + if (currChar === '"' || currChar === '\'') { + withinString = !withinString; + continue charLoop; + } else if (withinString) { + continue charLoop; + } else if (charOffset + 1 < lineEndPos) { + var nextTwoChars = currChar + line[charOffset + 1]; + if (nextTwoChars === '//') { + charOffset = lineEndPos + 1; + continue lineLoop; + } else if (nextTwoChars === '/*') { + withinBlockComment = true; + charOffset += 1; + continue charLoop; + } else if (nextTwoChars === '*/') { + withinBlockComment = false; + charOffset += 1; + continue charLoop; + } + } + + if (!withinBlockComment && currChar === char) { + return charOffset + state.g.position; + } + } + + // Account for '\n' + charOffset++; + withinString = false; + } + + throw new Error('`' + char + '` not found!'); +} + +/** + * Catches up as `catchup` but replaces non-whitespace chars with spaces. + */ +function catchupWhiteOut(end, state) { + catchup(end, state, _replaceNonWhite); +} + +/** + * Catches up as `catchup` but removes all non-whitespace characters. + */ +function catchupWhiteSpace(end, state) { + catchup(end, state, _stripNonWhite); +} + +/** + * Removes all non-newline characters + */ +var reNonNewline = /[^\n]/g; +function stripNonNewline(value) { + return value.replace(reNonNewline, function() { + return ''; + }); +} + +/** + * Catches up as `catchup` but removes all non-newline characters. + * + * Equivalent to appending as many newlines as there are in the original source + * between the current position and `end`. + */ +function catchupNewlines(end, state) { + catchup(end, state, stripNonNewline); +} + + +/** + * Same as catchup but does not touch the buffer + * + * @param {number} end + * @param {object} state + */ +function move(end, state) { + // move the internal cursors + if (state.g.sourceMap) { + if (end < state.g.position) { + state.g.position = 0; + state.g.sourceLine = 1; + state.g.sourceColumn = 0; + } + + var source = state.g.source.substring(state.g.position, end); + var sourceLines = source.split('\n'); + if (sourceLines.length > 1) { + state.g.sourceLine += sourceLines.length - 1; + state.g.sourceColumn = 0; + } + state.g.sourceColumn += sourceLines[sourceLines.length - 1].length; + } + state.g.position = end; +} + +/** + * Appends a string of text to the buffer + * + * @param {string} str + * @param {object} state + */ +function append(str, state) { + if (state.g.sourceMap && str) { + state.g.sourceMap.addMapping({ + generated: { line: state.g.bufferLine, column: state.g.bufferColumn }, + original: { line: state.g.sourceLine, column: state.g.sourceColumn }, + source: state.g.sourceMapFilename + }); + var transformedLines = str.split('\n'); + if (transformedLines.length > 1) { + state.g.bufferLine += transformedLines.length - 1; + state.g.bufferColumn = 0; + } + state.g.bufferColumn += + transformedLines[transformedLines.length - 1].length; + } + state.g.buffer += str; +} + +/** + * Update indent using state.indentBy property. Indent is measured in + * double spaces. Updates a single line only. + * + * @param {string} str + * @param {object} state + * @return {string} + */ +function updateIndent(str, state) { + /*jshint -W004*/ + var indentBy = state.indentBy; + if (indentBy < 0) { + for (var i = 0; i < -indentBy; i++) { + str = str.replace(leadingIndentRegexp, '$1'); + } + } else { + for (var i = 0; i < indentBy; i++) { + str = str.replace(leadingIndentRegexp, '$1$2$2'); + } + } + return str; +} + +/** + * Calculates indent from the beginning of the line until "start" or the first + * character before start. + * @example + * " foo.bar()" + * ^ + * start + * indent will be " " + * + * @param {number} start + * @param {object} state + * @return {string} + */ +function indentBefore(start, state) { + var end = start; + start = start - 1; + + while (start > 0 && state.g.source[start] != '\n') { + if (!state.g.source[start].match(/[ \t]/)) { + end = start; + } + start--; + } + return state.g.source.substring(start + 1, end); +} + +function getDocblock(state) { + if (!state.g.docblock) { + var docblock = _dereq_('./docblock'); + state.g.docblock = + docblock.parseAsObject(docblock.extract(state.g.source)); + } + return state.g.docblock; +} + +function identWithinLexicalScope(identName, state, stopBeforeNode) { + var currScope = state.localScope; + while (currScope) { + if (currScope.identifiers[identName] !== undefined) { + return true; + } + + if (stopBeforeNode && currScope.parentNode === stopBeforeNode) { + break; + } + + currScope = currScope.parentScope; + } + return false; +} + +function identInLocalScope(identName, state) { + return state.localScope.identifiers[identName] !== undefined; +} + +/** + * @param {object} boundaryNode + * @param {?array} path + * @return {?object} node + */ +function initScopeMetadata(boundaryNode, path, node) { + return { + boundaryNode: boundaryNode, + bindingPath: path, + bindingNode: node + }; +} + +function declareIdentInLocalScope(identName, metaData, state) { + state.localScope.identifiers[identName] = { + boundaryNode: metaData.boundaryNode, + path: metaData.bindingPath, + node: metaData.bindingNode, + state: Object.create(state) + }; +} + +function getLexicalBindingMetadata(identName, state) { + var currScope = state.localScope; + while (currScope) { + if (currScope.identifiers[identName] !== undefined) { + return currScope.identifiers[identName]; + } + + currScope = currScope.parentScope; + } +} + +function getLocalBindingMetadata(identName, state) { + return state.localScope.identifiers[identName]; +} + +/** + * Apply the given analyzer function to the current node. If the analyzer + * doesn't return false, traverse each child of the current node using the given + * traverser function. + * + * @param {function} analyzer + * @param {function} traverser + * @param {object} node + * @param {array} path + * @param {object} state + */ +function analyzeAndTraverse(analyzer, traverser, node, path, state) { + if (node.type) { + if (analyzer(node, path, state) === false) { + return; + } + path.unshift(node); + } + + getOrderedChildren(node).forEach(function(child) { + traverser(child, path, state); + }); + + node.type && path.shift(); +} + +/** + * It is crucial that we traverse in order, or else catchup() on a later + * node that is processed out of order can move the buffer past a node + * that we haven't handled yet, preventing us from modifying that node. + * + * This can happen when a node has multiple properties containing children. + * For example, XJSElement nodes have `openingElement`, `closingElement` and + * `children`. If we traverse `openingElement`, then `closingElement`, then + * when we get to `children`, the buffer has already caught up to the end of + * the closing element, after the children. + * + * This is basically a Schwartzian transform. Collects an array of children, + * each one represented as [child, startIndex]; sorts the array by start + * index; then traverses the children in that order. + */ +function getOrderedChildren(node) { + var queue = []; + for (var key in node) { + if (node.hasOwnProperty(key)) { + enqueueNodeWithStartIndex(queue, node[key]); + } + } + queue.sort(function(a, b) { return a[1] - b[1]; }); + return queue.map(function(pair) { return pair[0]; }); +} + +/** + * Helper function for analyzeAndTraverse which queues up all of the children + * of the given node. + * + * Children can also be found in arrays, so we basically want to merge all of + * those arrays together so we can sort them and then traverse the children + * in order. + * + * One example is the Program node. It contains `body` and `comments`, both + * arrays. Lexographically, comments are interspersed throughout the body + * nodes, but esprima's AST groups them together. + */ +function enqueueNodeWithStartIndex(queue, node) { + if (typeof node !== 'object' || node === null) { + return; + } + if (node.range) { + queue.push([node, node.range[0]]); + } else if (Array.isArray(node)) { + for (var ii = 0; ii < node.length; ii++) { + enqueueNodeWithStartIndex(queue, node[ii]); + } + } +} + +/** + * Checks whether a node or any of its sub-nodes contains + * a syntactic construct of the passed type. + * @param {object} node - AST node to test. + * @param {string} type - node type to lookup. + */ +function containsChildOfType(node, type) { + return containsChildMatching(node, function(node) { + return node.type === type; + }); +} + +function containsChildMatching(node, matcher) { + var foundMatchingChild = false; + function nodeTypeAnalyzer(node) { + if (matcher(node) === true) { + foundMatchingChild = true; + return false; + } + } + function nodeTypeTraverser(child, path, state) { + if (!foundMatchingChild) { + foundMatchingChild = containsChildMatching(child, matcher); + } + } + analyzeAndTraverse( + nodeTypeAnalyzer, + nodeTypeTraverser, + node, + [] + ); + return foundMatchingChild; +} + +var scopeTypes = {}; +scopeTypes[Syntax.ArrowFunctionExpression] = true; +scopeTypes[Syntax.FunctionExpression] = true; +scopeTypes[Syntax.FunctionDeclaration] = true; +scopeTypes[Syntax.Program] = true; + +function getBoundaryNode(path) { + for (var ii = 0; ii < path.length; ++ii) { + if (scopeTypes[path[ii].type]) { + return path[ii]; + } + } + throw new Error( + 'Expected to find a node with one of the following types in path:\n' + + JSON.stringify(Object.keys(scopeTypes)) + ); +} + +function getTempVar(tempVarIndex) { + return '$__' + tempVarIndex; +} + +function injectTempVar(state) { + var tempVar = '$__' + (state.localScope.tempVarIndex++); + state.localScope.tempVars.push(tempVar); + return tempVar; +} + +function injectTempVarDeclarations(state, index) { + if (state.localScope.tempVars.length) { + state.g.buffer = + state.g.buffer.slice(0, index) + + 'var ' + state.localScope.tempVars.join(', ') + ';' + + state.g.buffer.slice(index); + state.localScope.tempVars = []; + } +} + +exports.analyzeAndTraverse = analyzeAndTraverse; +exports.append = append; +exports.catchup = catchup; +exports.catchupNewlines = catchupNewlines; +exports.catchupWhiteOut = catchupWhiteOut; +exports.catchupWhiteSpace = catchupWhiteSpace; +exports.containsChildMatching = containsChildMatching; +exports.containsChildOfType = containsChildOfType; +exports.createState = createState; +exports.declareIdentInLocalScope = declareIdentInLocalScope; +exports.getBoundaryNode = getBoundaryNode; +exports.getDocblock = getDocblock; +exports.getLexicalBindingMetadata = getLexicalBindingMetadata; +exports.getLocalBindingMetadata = getLocalBindingMetadata; +exports.getNextSyntacticCharOffset = getNextSyntacticCharOffset; +exports.getNodeSourceText = getNodeSourceText; +exports.getOrderedChildren = getOrderedChildren; +exports.getTempVar = getTempVar; +exports.identInLocalScope = identInLocalScope; +exports.identWithinLexicalScope = identWithinLexicalScope; +exports.indentBefore = indentBefore; +exports.initScopeMetadata = initScopeMetadata; +exports.injectTempVar = injectTempVar; +exports.injectTempVarDeclarations = injectTempVarDeclarations; +exports.move = move; +exports.scopeTypes = scopeTypes; +exports.updateIndent = updateIndent; +exports.updateState = updateState; + +},{"./docblock":21,"esprima-fb":9}],24:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*global exports:true*/ + +/** + * Desugars ES6 Arrow functions to ES3 function expressions. + * If the function contains `this` expression -- automatically + * binds the function to current value of `this`. + * + * Single parameter, simple expression: + * + * [1, 2, 3].map(x => x * x); + * + * [1, 2, 3].map(function(x) { return x * x; }); + * + * Several parameters, complex block: + * + * this.users.forEach((user, idx) => { + * return this.isActive(idx) && this.send(user); + * }); + * + * this.users.forEach(function(user, idx) { + * return this.isActive(idx) && this.send(user); + * }.bind(this)); + * + */ +var restParamVisitors = _dereq_('./es6-rest-param-visitors'); +var destructuringVisitors = _dereq_('./es6-destructuring-visitors'); + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +/** + * @public + */ +function visitArrowFunction(traverse, node, path, state) { + var notInExpression = (path[0].type === Syntax.ExpressionStatement); + + // Wrap a function into a grouping operator, if it's not + // in the expression position. + if (notInExpression) { + utils.append('(', state); + } + + utils.append('function', state); + renderParams(traverse, node, path, state); + + // Skip arrow. + utils.catchupWhiteSpace(node.body.range[0], state); + + var renderBody = node.body.type == Syntax.BlockStatement + ? renderStatementBody + : renderExpressionBody; + + path.unshift(node); + renderBody(traverse, node, path, state); + path.shift(); + + // Bind the function only if `this` value is used + // inside it or inside any sub-expression. + var containsBindingSyntax = + utils.containsChildMatching(node.body, function(node) { + return node.type === Syntax.ThisExpression + || (node.type === Syntax.Identifier + && node.name === "super"); + }); + + if (containsBindingSyntax) { + utils.append('.bind(this)', state); + } + + utils.catchupWhiteSpace(node.range[1], state); + + // Close wrapper if not in the expression. + if (notInExpression) { + utils.append(')', state); + } + + return false; +} + +function renderParams(traverse, node, path, state) { + // To preserve inline typechecking directives, we + // distinguish between parens-free and paranthesized single param. + if (isParensFreeSingleParam(node, state) || !node.params.length) { + utils.append('(', state); + } + if (node.params.length !== 0) { + path.unshift(node); + traverse(node.params, path, state); + path.unshift(); + } + utils.append(')', state); +} + +function isParensFreeSingleParam(node, state) { + return node.params.length === 1 && + state.g.source[state.g.position] !== '('; +} + +function renderExpressionBody(traverse, node, path, state) { + // Wrap simple expression bodies into a block + // with explicit return statement. + utils.append('{', state); + + // Special handling of rest param. + if (node.rest) { + utils.append( + restParamVisitors.renderRestParamSetup(node, state), + state + ); + } + + // Special handling of destructured params. + destructuringVisitors.renderDestructuredComponents( + node, + utils.updateState(state, { + localScope: { + parentNode: state.parentNode, + parentScope: state.parentScope, + identifiers: state.identifiers, + tempVarIndex: 0 + } + }) + ); + + utils.append('return ', state); + renderStatementBody(traverse, node, path, state); + utils.append(';}', state); +} + +function renderStatementBody(traverse, node, path, state) { + traverse(node.body, path, state); + utils.catchup(node.body.range[1], state); +} + +visitArrowFunction.test = function(node, path, state) { + return node.type === Syntax.ArrowFunctionExpression; +}; + +exports.visitorList = [ + visitArrowFunction +]; + + +},{"../src/utils":23,"./es6-destructuring-visitors":27,"./es6-rest-param-visitors":30,"esprima-fb":9}],25:[function(_dereq_,module,exports){ +/** + * Copyright 2004-present Facebook. All Rights Reserved. + */ +/*global exports:true*/ + +/** + * Implements ES6 call spread. + * + * instance.method(a, b, c, ...d) + * + * instance.method.apply(instance, [a, b, c].concat(d)) + * + */ + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +function process(traverse, node, path, state) { + utils.move(node.range[0], state); + traverse(node, path, state); + utils.catchup(node.range[1], state); +} + +function visitCallSpread(traverse, node, path, state) { + utils.catchup(node.range[0], state); + + if (node.type === Syntax.NewExpression) { + // Input = new Set(1, 2, ...list) + // Output = new (Function.prototype.bind.apply(Set, [null, 1, 2].concat(list))) + utils.append('new (Function.prototype.bind.apply(', state); + process(traverse, node.callee, path, state); + } else if (node.callee.type === Syntax.MemberExpression) { + // Input = get().fn(1, 2, ...more) + // Output = (_ = get()).fn.apply(_, [1, 2].apply(more)) + var tempVar = utils.injectTempVar(state); + utils.append('(' + tempVar + ' = ', state); + process(traverse, node.callee.object, path, state); + utils.append(')', state); + if (node.callee.property.type === Syntax.Identifier) { + utils.append('.', state); + process(traverse, node.callee.property, path, state); + } else { + utils.append('[', state); + process(traverse, node.callee.property, path, state); + utils.append(']', state); + } + utils.append('.apply(' + tempVar, state); + } else { + // Input = max(1, 2, ...list) + // Output = max.apply(null, [1, 2].concat(list)) + var needsToBeWrappedInParenthesis = + node.callee.type === Syntax.FunctionDeclaration || + node.callee.type === Syntax.FunctionExpression; + if (needsToBeWrappedInParenthesis) { + utils.append('(', state); + } + process(traverse, node.callee, path, state); + if (needsToBeWrappedInParenthesis) { + utils.append(')', state); + } + utils.append('.apply(null', state); + } + utils.append(', ', state); + + var args = node.arguments.slice(); + var spread = args.pop(); + if (args.length || node.type === Syntax.NewExpression) { + utils.append('[', state); + if (node.type === Syntax.NewExpression) { + utils.append('null' + (args.length ? ', ' : ''), state); + } + while (args.length) { + var arg = args.shift(); + utils.move(arg.range[0], state); + traverse(arg, path, state); + if (args.length) { + utils.catchup(args[0].range[0], state); + } else { + utils.catchup(arg.range[1], state); + } + } + utils.append('].concat(', state); + process(traverse, spread.argument, path, state); + utils.append(')', state); + } else { + process(traverse, spread.argument, path, state); + } + utils.append(node.type === Syntax.NewExpression ? '))' : ')', state); + + utils.move(node.range[1], state); + return false; +} + +visitCallSpread.test = function(node, path, state) { + return ( + ( + node.type === Syntax.CallExpression || + node.type === Syntax.NewExpression + ) && + node.arguments.length > 0 && + node.arguments[node.arguments.length - 1].type === Syntax.SpreadElement + ); +}; + +exports.visitorList = [ + visitCallSpread +]; + +},{"../src/utils":23,"esprima-fb":9}],26:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node:true*/ + +/** + * @typechecks + */ +'use strict'; + +var base62 = _dereq_('base62'); +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); +var reservedWordsHelper = _dereq_('./reserved-words-helper'); + +var declareIdentInLocalScope = utils.declareIdentInLocalScope; +var initScopeMetadata = utils.initScopeMetadata; + +var SUPER_PROTO_IDENT_PREFIX = '____SuperProtoOf'; + +var _anonClassUUIDCounter = 0; +var _mungedSymbolMaps = {}; + +function resetSymbols() { + _anonClassUUIDCounter = 0; + _mungedSymbolMaps = {}; +} + +/** + * Used to generate a unique class for use with code-gens for anonymous class + * expressions. + * + * @param {object} state + * @return {string} + */ +function _generateAnonymousClassName(state) { + var mungeNamespace = state.mungeNamespace || ''; + return '____Class' + mungeNamespace + base62.encode(_anonClassUUIDCounter++); +} + +/** + * Given an identifier name, munge it using the current state's mungeNamespace. + * + * @param {string} identName + * @param {object} state + * @return {string} + */ +function _getMungedName(identName, state) { + var mungeNamespace = state.mungeNamespace; + var shouldMinify = state.g.opts.minify; + + if (shouldMinify) { + if (!_mungedSymbolMaps[mungeNamespace]) { + _mungedSymbolMaps[mungeNamespace] = { + symbolMap: {}, + identUUIDCounter: 0 + }; + } + + var symbolMap = _mungedSymbolMaps[mungeNamespace].symbolMap; + if (!symbolMap[identName]) { + symbolMap[identName] = + base62.encode(_mungedSymbolMaps[mungeNamespace].identUUIDCounter++); + } + identName = symbolMap[identName]; + } + return '$' + mungeNamespace + identName; +} + +/** + * Extracts super class information from a class node. + * + * Information includes name of the super class and/or the expression string + * (if extending from an expression) + * + * @param {object} node + * @param {object} state + * @return {object} + */ +function _getSuperClassInfo(node, state) { + var ret = { + name: null, + expression: null + }; + if (node.superClass) { + if (node.superClass.type === Syntax.Identifier) { + ret.name = node.superClass.name; + } else { + // Extension from an expression + ret.name = _generateAnonymousClassName(state); + ret.expression = state.g.source.substring( + node.superClass.range[0], + node.superClass.range[1] + ); + } + } + return ret; +} + +/** + * Used with .filter() to find the constructor method in a list of + * MethodDefinition nodes. + * + * @param {object} classElement + * @return {boolean} + */ +function _isConstructorMethod(classElement) { + return classElement.type === Syntax.MethodDefinition && + classElement.key.type === Syntax.Identifier && + classElement.key.name === 'constructor'; +} + +/** + * @param {object} node + * @param {object} state + * @return {boolean} + */ +function _shouldMungeIdentifier(node, state) { + return ( + !!state.methodFuncNode && + !utils.getDocblock(state).hasOwnProperty('preventMunge') && + /^_(?!_)/.test(node.name) + ); +} + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitClassMethod(traverse, node, path, state) { + if (!state.g.opts.es5 && (node.kind === 'get' || node.kind === 'set')) { + throw new Error( + 'This transform does not support ' + node.kind + 'ter methods for ES6 ' + + 'classes. (line: ' + node.loc.start.line + ', col: ' + + node.loc.start.column + ')' + ); + } + state = utils.updateState(state, { + methodNode: node + }); + utils.catchup(node.range[0], state); + path.unshift(node); + traverse(node.value, path, state); + path.shift(); + return false; +} +visitClassMethod.test = function(node, path, state) { + return node.type === Syntax.MethodDefinition; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitClassFunctionExpression(traverse, node, path, state) { + var methodNode = path[0]; + var isGetter = methodNode.kind === 'get'; + var isSetter = methodNode.kind === 'set'; + + state = utils.updateState(state, { + methodFuncNode: node + }); + + if (methodNode.key.name === 'constructor') { + utils.append('function ' + state.className, state); + } else { + var methodAccessorComputed = false; + var methodAccessor; + var prototypeOrStatic = methodNode["static"] ? '' : '.prototype'; + var objectAccessor = state.className + prototypeOrStatic; + + if (methodNode.key.type === Syntax.Identifier) { + // foo() {} + methodAccessor = methodNode.key.name; + if (_shouldMungeIdentifier(methodNode.key, state)) { + methodAccessor = _getMungedName(methodAccessor, state); + } + if (isGetter || isSetter) { + methodAccessor = JSON.stringify(methodAccessor); + } else if (reservedWordsHelper.isReservedWord(methodAccessor)) { + methodAccessorComputed = true; + methodAccessor = JSON.stringify(methodAccessor); + } + } else if (methodNode.key.type === Syntax.Literal) { + // 'foo bar'() {} | get 'foo bar'() {} | set 'foo bar'() {} + methodAccessor = JSON.stringify(methodNode.key.value); + methodAccessorComputed = true; + } + + if (isSetter || isGetter) { + utils.append( + 'Object.defineProperty(' + + objectAccessor + ',' + + methodAccessor + ',' + + '{configurable:true,' + + methodNode.kind + ':function', + state + ); + } else { + if (state.g.opts.es3) { + if (methodAccessorComputed) { + methodAccessor = '[' + methodAccessor + ']'; + } else { + methodAccessor = '.' + methodAccessor; + } + utils.append( + objectAccessor + + methodAccessor + '=function' + (node.generator ? '*' : ''), + state + ); + } else { + if (!methodAccessorComputed) { + methodAccessor = JSON.stringify(methodAccessor); + } + utils.append( + 'Object.defineProperty(' + + objectAccessor + ',' + + methodAccessor + ',' + + '{writable:true,configurable:true,' + + 'value:function' + (node.generator ? '*' : ''), + state + ); + } + } + } + utils.move(methodNode.key.range[1], state); + utils.append('(', state); + + var params = node.params; + if (params.length > 0) { + utils.catchupNewlines(params[0].range[0], state); + for (var i = 0; i < params.length; i++) { + utils.catchup(node.params[i].range[0], state); + path.unshift(node); + traverse(params[i], path, state); + path.shift(); + } + } + + var closingParenPosition = utils.getNextSyntacticCharOffset(')', state); + utils.catchupWhiteSpace(closingParenPosition, state); + + var openingBracketPosition = utils.getNextSyntacticCharOffset('{', state); + utils.catchup(openingBracketPosition + 1, state); + + if (!state.scopeIsStrict) { + utils.append('"use strict";', state); + state = utils.updateState(state, { + scopeIsStrict: true + }); + } + utils.move(node.body.range[0] + '{'.length, state); + + path.unshift(node); + traverse(node.body, path, state); + path.shift(); + utils.catchup(node.body.range[1], state); + + if (methodNode.key.name !== 'constructor') { + if (isGetter || isSetter || !state.g.opts.es3) { + utils.append('})', state); + } + utils.append(';', state); + } + return false; +} +visitClassFunctionExpression.test = function(node, path, state) { + return node.type === Syntax.FunctionExpression + && path[0].type === Syntax.MethodDefinition; +}; + +function visitClassMethodParam(traverse, node, path, state) { + var paramName = node.name; + if (_shouldMungeIdentifier(node, state)) { + paramName = _getMungedName(node.name, state); + } + utils.append(paramName, state); + utils.move(node.range[1], state); +} +visitClassMethodParam.test = function(node, path, state) { + if (!path[0] || !path[1]) { + return; + } + + var parentFuncExpr = path[0]; + var parentClassMethod = path[1]; + + return parentFuncExpr.type === Syntax.FunctionExpression + && parentClassMethod.type === Syntax.MethodDefinition + && node.type === Syntax.Identifier; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function _renderClassBody(traverse, node, path, state) { + var className = state.className; + var superClass = state.superClass; + + // Set up prototype of constructor on same line as `extends` for line-number + // preservation. This relies on function-hoisting if a constructor function is + // defined in the class body. + if (superClass.name) { + // If the super class is an expression, we need to memoize the output of the + // expression into the generated class name variable and use that to refer + // to the super class going forward. Example: + // + // class Foo extends mixin(Bar, Baz) {} + // --transforms to-- + // function Foo() {} var ____Class0Blah = mixin(Bar, Baz); + if (superClass.expression !== null) { + utils.append( + 'var ' + superClass.name + '=' + superClass.expression + ';', + state + ); + } + + var keyName = superClass.name + '____Key'; + var keyNameDeclarator = ''; + if (!utils.identWithinLexicalScope(keyName, state)) { + keyNameDeclarator = 'var '; + declareIdentInLocalScope(keyName, initScopeMetadata(node), state); + } + utils.append( + 'for(' + keyNameDeclarator + keyName + ' in ' + superClass.name + '){' + + 'if(' + superClass.name + '.hasOwnProperty(' + keyName + ')){' + + className + '[' + keyName + ']=' + + superClass.name + '[' + keyName + '];' + + '}' + + '}', + state + ); + + var superProtoIdentStr = SUPER_PROTO_IDENT_PREFIX + superClass.name; + if (!utils.identWithinLexicalScope(superProtoIdentStr, state)) { + utils.append( + 'var ' + superProtoIdentStr + '=' + superClass.name + '===null?' + + 'null:' + superClass.name + '.prototype;', + state + ); + declareIdentInLocalScope(superProtoIdentStr, initScopeMetadata(node), state); + } + + utils.append( + className + '.prototype=Object.create(' + superProtoIdentStr + ');', + state + ); + utils.append( + className + '.prototype.constructor=' + className + ';', + state + ); + utils.append( + className + '.__superConstructor__=' + superClass.name + ';', + state + ); + } + + // If there's no constructor method specified in the class body, create an + // empty constructor function at the top (same line as the class keyword) + if (!node.body.body.filter(_isConstructorMethod).pop()) { + utils.append('function ' + className + '(){', state); + if (!state.scopeIsStrict) { + utils.append('"use strict";', state); + } + if (superClass.name) { + utils.append( + 'if(' + superClass.name + '!==null){' + + superClass.name + '.apply(this,arguments);}', + state + ); + } + utils.append('}', state); + } + + utils.move(node.body.range[0] + '{'.length, state); + traverse(node.body, path, state); + utils.catchupWhiteSpace(node.range[1], state); +} + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitClassDeclaration(traverse, node, path, state) { + var className = node.id.name; + var superClass = _getSuperClassInfo(node, state); + + state = utils.updateState(state, { + mungeNamespace: className, + className: className, + superClass: superClass + }); + + _renderClassBody(traverse, node, path, state); + + return false; +} +visitClassDeclaration.test = function(node, path, state) { + return node.type === Syntax.ClassDeclaration; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitClassExpression(traverse, node, path, state) { + var className = node.id && node.id.name || _generateAnonymousClassName(state); + var superClass = _getSuperClassInfo(node, state); + + utils.append('(function(){', state); + + state = utils.updateState(state, { + mungeNamespace: className, + className: className, + superClass: superClass + }); + + _renderClassBody(traverse, node, path, state); + + utils.append('return ' + className + ';})()', state); + return false; +} +visitClassExpression.test = function(node, path, state) { + return node.type === Syntax.ClassExpression; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitPrivateIdentifier(traverse, node, path, state) { + utils.append(_getMungedName(node.name, state), state); + utils.move(node.range[1], state); +} +visitPrivateIdentifier.test = function(node, path, state) { + if (node.type === Syntax.Identifier && _shouldMungeIdentifier(node, state)) { + // Always munge non-computed properties of MemberExpressions + // (a la preventing access of properties of unowned objects) + if (path[0].type === Syntax.MemberExpression && path[0].object !== node + && path[0].computed === false) { + return true; + } + + // Always munge identifiers that were declared within the method function + // scope + if (utils.identWithinLexicalScope(node.name, state, state.methodFuncNode)) { + return true; + } + + // Always munge private keys on object literals defined within a method's + // scope. + if (path[0].type === Syntax.Property + && path[1].type === Syntax.ObjectExpression) { + return true; + } + + // Always munge function parameters + if (path[0].type === Syntax.FunctionExpression + || path[0].type === Syntax.FunctionDeclaration + || path[0].type === Syntax.ArrowFunctionExpression) { + for (var i = 0; i < path[0].params.length; i++) { + if (path[0].params[i] === node) { + return true; + } + } + } + } + return false; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitSuperCallExpression(traverse, node, path, state) { + var superClassName = state.superClass.name; + + if (node.callee.type === Syntax.Identifier) { + if (_isConstructorMethod(state.methodNode)) { + utils.append(superClassName + '.call(', state); + } else { + var protoProp = SUPER_PROTO_IDENT_PREFIX + superClassName; + if (state.methodNode.key.type === Syntax.Identifier) { + protoProp += '.' + state.methodNode.key.name; + } else if (state.methodNode.key.type === Syntax.Literal) { + protoProp += '[' + JSON.stringify(state.methodNode.key.value) + ']'; + } + utils.append(protoProp + ".call(", state); + } + utils.move(node.callee.range[1], state); + } else if (node.callee.type === Syntax.MemberExpression) { + utils.append(SUPER_PROTO_IDENT_PREFIX + superClassName, state); + utils.move(node.callee.object.range[1], state); + + if (node.callee.computed) { + // ["a" + "b"] + utils.catchup(node.callee.property.range[1] + ']'.length, state); + } else { + // .ab + utils.append('.' + node.callee.property.name, state); + } + + utils.append('.call(', state); + utils.move(node.callee.range[1], state); + } + + utils.append('this', state); + if (node.arguments.length > 0) { + utils.append(',', state); + utils.catchupWhiteSpace(node.arguments[0].range[0], state); + traverse(node.arguments, path, state); + } + + utils.catchupWhiteSpace(node.range[1], state); + utils.append(')', state); + return false; +} +visitSuperCallExpression.test = function(node, path, state) { + if (state.superClass && node.type === Syntax.CallExpression) { + var callee = node.callee; + if (callee.type === Syntax.Identifier && callee.name === 'super' + || callee.type == Syntax.MemberExpression + && callee.object.name === 'super') { + return true; + } + } + return false; +}; + +/** + * @param {function} traverse + * @param {object} node + * @param {array} path + * @param {object} state + */ +function visitSuperMemberExpression(traverse, node, path, state) { + var superClassName = state.superClass.name; + + utils.append(SUPER_PROTO_IDENT_PREFIX + superClassName, state); + utils.move(node.object.range[1], state); +} +visitSuperMemberExpression.test = function(node, path, state) { + return state.superClass + && node.type === Syntax.MemberExpression + && node.object.type === Syntax.Identifier + && node.object.name === 'super'; +}; + +exports.resetSymbols = resetSymbols; + +exports.visitorList = [ + visitClassDeclaration, + visitClassExpression, + visitClassFunctionExpression, + visitClassMethod, + visitClassMethodParam, + visitPrivateIdentifier, + visitSuperCallExpression, + visitSuperMemberExpression +]; + +},{"../src/utils":23,"./reserved-words-helper":34,"base62":10,"esprima-fb":9}],27:[function(_dereq_,module,exports){ +/** + * Copyright 2014 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/*global exports:true*/ + +/** + * Implements ES6 destructuring assignment and pattern matchng. + * + * function init({port, ip, coords: [x, y]}) { + * return (x && y) ? {id, port} : {ip}; + * }; + * + * function init($__0) { + * var + * port = $__0.port, + * ip = $__0.ip, + * $__1 = $__0.coords, + * x = $__1[0], + * y = $__1[1]; + * return (x && y) ? {id, port} : {ip}; + * } + * + * var x, {ip, port} = init({ip, port}); + * + * var x, $__0 = init({ip, port}), ip = $__0.ip, port = $__0.port; + * + */ +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +var reservedWordsHelper = _dereq_('./reserved-words-helper'); +var restParamVisitors = _dereq_('./es6-rest-param-visitors'); +var restPropertyHelpers = _dereq_('./es7-rest-property-helpers'); + +// ------------------------------------------------------- +// 1. Structured variable declarations. +// +// var [a, b] = [b, a]; +// var {x, y} = {y, x}; +// ------------------------------------------------------- + +function visitStructuredVariable(traverse, node, path, state) { + // Allocate new temp for the pattern. + utils.append(utils.getTempVar(state.localScope.tempVarIndex) + '=', state); + // Skip the pattern and assign the init to the temp. + utils.catchupWhiteSpace(node.init.range[0], state); + traverse(node.init, path, state); + utils.catchup(node.init.range[1], state); + // Render the destructured data. + utils.append(',' + getDestructuredComponents(node.id, state), state); + state.localScope.tempVarIndex++; + return false; +} + +visitStructuredVariable.test = function(node, path, state) { + return node.type === Syntax.VariableDeclarator && + isStructuredPattern(node.id); +}; + +function isStructuredPattern(node) { + return node.type === Syntax.ObjectPattern || + node.type === Syntax.ArrayPattern; +} + +// Main function which does actual recursive destructuring +// of nested complex structures. +function getDestructuredComponents(node, state) { + var tmpIndex = state.localScope.tempVarIndex; + var components = []; + var patternItems = getPatternItems(node); + + for (var idx = 0; idx < patternItems.length; idx++) { + var item = patternItems[idx]; + if (!item) { + continue; + } + + if (item.type === Syntax.SpreadElement) { + // Spread/rest of an array. + // TODO(dmitrys): support spread in the middle of a pattern + // and also for function param patterns: [x, ...xs, y] + components.push(item.argument.name + + '=Array.prototype.slice.call(' + + utils.getTempVar(tmpIndex) + ',' + idx + ')' + ); + continue; + } + + if (item.type === Syntax.SpreadProperty) { + var restExpression = restPropertyHelpers.renderRestExpression( + utils.getTempVar(tmpIndex), + patternItems + ); + components.push(item.argument.name + '=' + restExpression); + continue; + } + + // Depending on pattern type (Array or Object), we get + // corresponding pattern item parts. + var accessor = getPatternItemAccessor(node, item, tmpIndex, idx); + var value = getPatternItemValue(node, item); + + // TODO(dmitrys): implement default values: {x, y=5} + if (value.type === Syntax.Identifier) { + // Simple pattern item. + components.push(value.name + '=' + accessor); + } else { + // Complex sub-structure. + components.push( + utils.getTempVar(++state.localScope.tempVarIndex) + '=' + accessor + + ',' + getDestructuredComponents(value, state) + ); + } + } + + return components.join(','); +} + +function getPatternItems(node) { + return node.properties || node.elements; +} + +function getPatternItemAccessor(node, patternItem, tmpIndex, idx) { + var tmpName = utils.getTempVar(tmpIndex); + if (node.type === Syntax.ObjectPattern) { + if (reservedWordsHelper.isReservedWord(patternItem.key.name)) { + return tmpName + '["' + patternItem.key.name + '"]'; + } else if (patternItem.key.type === Syntax.Literal) { + return tmpName + '[' + JSON.stringify(patternItem.key.value) + ']'; + } else if (patternItem.key.type === Syntax.Identifier) { + return tmpName + '.' + patternItem.key.name; + } + } else if (node.type === Syntax.ArrayPattern) { + return tmpName + '[' + idx + ']'; + } +} + +function getPatternItemValue(node, patternItem) { + return node.type === Syntax.ObjectPattern + ? patternItem.value + : patternItem; +} + +// ------------------------------------------------------- +// 2. Assignment expression. +// +// [a, b] = [b, a]; +// ({x, y} = {y, x}); +// ------------------------------------------------------- + +function visitStructuredAssignment(traverse, node, path, state) { + var exprNode = node.expression; + utils.append('var ' + utils.getTempVar(state.localScope.tempVarIndex) + '=', state); + + utils.catchupWhiteSpace(exprNode.right.range[0], state); + traverse(exprNode.right, path, state); + utils.catchup(exprNode.right.range[1], state); + + utils.append( + ';' + getDestructuredComponents(exprNode.left, state) + ';', + state + ); + + utils.catchupWhiteSpace(node.range[1], state); + state.localScope.tempVarIndex++; + return false; +} + +visitStructuredAssignment.test = function(node, path, state) { + // We consider the expression statement rather than just assignment + // expression to cover case with object patters which should be + // wrapped in grouping operator: ({x, y} = {y, x}); + return node.type === Syntax.ExpressionStatement && + node.expression.type === Syntax.AssignmentExpression && + isStructuredPattern(node.expression.left); +}; + +// ------------------------------------------------------- +// 3. Structured parameter. +// +// function foo({x, y}) { ... } +// ------------------------------------------------------- + +function visitStructuredParameter(traverse, node, path, state) { + utils.append(utils.getTempVar(getParamIndex(node, path)), state); + utils.catchupWhiteSpace(node.range[1], state); + return true; +} + +function getParamIndex(paramNode, path) { + var funcNode = path[0]; + var tmpIndex = 0; + for (var k = 0; k < funcNode.params.length; k++) { + var param = funcNode.params[k]; + if (param === paramNode) { + break; + } + if (isStructuredPattern(param)) { + tmpIndex++; + } + } + return tmpIndex; +} + +visitStructuredParameter.test = function(node, path, state) { + return isStructuredPattern(node) && isFunctionNode(path[0]); +}; + +function isFunctionNode(node) { + return (node.type == Syntax.FunctionDeclaration || + node.type == Syntax.FunctionExpression || + node.type == Syntax.MethodDefinition || + node.type == Syntax.ArrowFunctionExpression); +} + +// ------------------------------------------------------- +// 4. Function body for structured parameters. +// +// function foo({x, y}) { x; y; } +// ------------------------------------------------------- + +function visitFunctionBodyForStructuredParameter(traverse, node, path, state) { + var funcNode = path[0]; + + utils.catchup(funcNode.body.range[0] + 1, state); + renderDestructuredComponents(funcNode, state); + + if (funcNode.rest) { + utils.append( + restParamVisitors.renderRestParamSetup(funcNode, state), + state + ); + } + + return true; +} + +function renderDestructuredComponents(funcNode, state) { + var destructuredComponents = []; + + for (var k = 0; k < funcNode.params.length; k++) { + var param = funcNode.params[k]; + if (isStructuredPattern(param)) { + destructuredComponents.push( + getDestructuredComponents(param, state) + ); + state.localScope.tempVarIndex++; + } + } + + if (destructuredComponents.length) { + utils.append('var ' + destructuredComponents.join(',') + ';', state); + } +} + +visitFunctionBodyForStructuredParameter.test = function(node, path, state) { + return node.type === Syntax.BlockStatement && isFunctionNode(path[0]); +}; + +exports.visitorList = [ + visitStructuredVariable, + visitStructuredAssignment, + visitStructuredParameter, + visitFunctionBodyForStructuredParameter +]; + +exports.renderDestructuredComponents = renderDestructuredComponents; + + +},{"../src/utils":23,"./es6-rest-param-visitors":30,"./es7-rest-property-helpers":32,"./reserved-words-helper":34,"esprima-fb":9}],28:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node:true*/ + +/** + * Desugars concise methods of objects to function expressions. + * + * var foo = { + * method(x, y) { ... } + * }; + * + * var foo = { + * method: function(x, y) { ... } + * }; + * + */ + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); +var reservedWordsHelper = _dereq_('./reserved-words-helper'); + +function visitObjectConciseMethod(traverse, node, path, state) { + var isGenerator = node.value.generator; + if (isGenerator) { + utils.catchupWhiteSpace(node.range[0] + 1, state); + } + if (node.computed) { // []() { ...} + utils.catchup(node.key.range[1] + 1, state); + } else if (reservedWordsHelper.isReservedWord(node.key.name)) { + utils.catchup(node.key.range[0], state); + utils.append('"', state); + utils.catchup(node.key.range[1], state); + utils.append('"', state); + } + + utils.catchup(node.key.range[1], state); + utils.append( + ':function' + (isGenerator ? '*' : ''), + state + ); + path.unshift(node); + traverse(node.value, path, state); + path.shift(); + return false; +} + +visitObjectConciseMethod.test = function(node, path, state) { + return node.type === Syntax.Property && + node.value.type === Syntax.FunctionExpression && + node.method === true; +}; + +exports.visitorList = [ + visitObjectConciseMethod +]; + +},{"../src/utils":23,"./reserved-words-helper":34,"esprima-fb":9}],29:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node: true*/ + +/** + * Desugars ES6 Object Literal short notations into ES3 full notation. + * + * // Easier return values. + * function foo(x, y) { + * return {x, y}; // {x: x, y: y} + * }; + * + * // Destructuring. + * function init({port, ip, coords: {x, y}}) { ... } + * + */ +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +/** + * @public + */ +function visitObjectLiteralShortNotation(traverse, node, path, state) { + utils.catchup(node.key.range[1], state); + utils.append(':' + node.key.name, state); + return false; +} + +visitObjectLiteralShortNotation.test = function(node, path, state) { + return node.type === Syntax.Property && + node.kind === 'init' && + node.shorthand === true && + path[0].type !== Syntax.ObjectPattern; +}; + +exports.visitorList = [ + visitObjectLiteralShortNotation +]; + + +},{"../src/utils":23,"esprima-fb":9}],30:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node:true*/ + +/** + * Desugars ES6 rest parameters into an ES3 arguments array. + * + * function printf(template, ...args) { + * args.forEach(...); + * } + * + * We could use `Array.prototype.slice.call`, but that usage of arguments causes + * functions to be deoptimized in V8, so instead we use a for-loop. + * + * function printf(template) { + * for (var args = [], $__0 = 1, $__1 = arguments.length; $__0 < $__1; $__0++) + * args.push(arguments[$__0]); + * args.forEach(...); + * } + * + */ +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + + + +function _nodeIsFunctionWithRestParam(node) { + return (node.type === Syntax.FunctionDeclaration + || node.type === Syntax.FunctionExpression + || node.type === Syntax.ArrowFunctionExpression) + && node.rest; +} + +function visitFunctionParamsWithRestParam(traverse, node, path, state) { + if (node.parametricType) { + utils.catchup(node.parametricType.range[0], state); + path.unshift(node); + traverse(node.parametricType, path, state); + path.shift(); + } + + // Render params. + if (node.params.length) { + path.unshift(node); + traverse(node.params, path, state); + path.shift(); + } else { + // -3 is for ... of the rest. + utils.catchup(node.rest.range[0] - 3, state); + } + utils.catchupWhiteSpace(node.rest.range[1], state); + + path.unshift(node); + traverse(node.body, path, state); + path.shift(); + + return false; +} + +visitFunctionParamsWithRestParam.test = function(node, path, state) { + return _nodeIsFunctionWithRestParam(node); +}; + +function renderRestParamSetup(functionNode, state) { + var idx = state.localScope.tempVarIndex++; + var len = state.localScope.tempVarIndex++; + + return 'for (var ' + functionNode.rest.name + '=[],' + + utils.getTempVar(idx) + '=' + functionNode.params.length + ',' + + utils.getTempVar(len) + '=arguments.length;' + + utils.getTempVar(idx) + '<' + utils.getTempVar(len) + ';' + + utils.getTempVar(idx) + '++) ' + + functionNode.rest.name + '.push(arguments[' + utils.getTempVar(idx) + ']);'; +} + +function visitFunctionBodyWithRestParam(traverse, node, path, state) { + utils.catchup(node.range[0] + 1, state); + var parentNode = path[0]; + utils.append(renderRestParamSetup(parentNode, state), state); + return true; +} + +visitFunctionBodyWithRestParam.test = function(node, path, state) { + return node.type === Syntax.BlockStatement + && _nodeIsFunctionWithRestParam(path[0]); +}; + +exports.renderRestParamSetup = renderRestParamSetup; +exports.visitorList = [ + visitFunctionParamsWithRestParam, + visitFunctionBodyWithRestParam +]; + +},{"../src/utils":23,"esprima-fb":9}],31:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node:true*/ + +/** + * @typechecks + */ +'use strict'; + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +/** + * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-12.1.9 + */ +function visitTemplateLiteral(traverse, node, path, state) { + var templateElements = node.quasis; + + utils.append('(', state); + for (var ii = 0; ii < templateElements.length; ii++) { + var templateElement = templateElements[ii]; + if (templateElement.value.raw !== '') { + utils.append(getCookedValue(templateElement), state); + if (!templateElement.tail) { + // + between element and substitution + utils.append(' + ', state); + } + // maintain line numbers + utils.move(templateElement.range[0], state); + utils.catchupNewlines(templateElement.range[1], state); + } else { // templateElement.value.raw === '' + // Concatenat adjacent substitutions, e.g. `${x}${y}`. Empty templates + // appear before the first and after the last element - nothing to add in + // those cases. + if (ii > 0 && !templateElement.tail) { + // + between substitution and substitution + utils.append(' + ', state); + } + } + + utils.move(templateElement.range[1], state); + if (!templateElement.tail) { + var substitution = node.expressions[ii]; + if (substitution.type === Syntax.Identifier || + substitution.type === Syntax.MemberExpression || + substitution.type === Syntax.CallExpression) { + utils.catchup(substitution.range[1], state); + } else { + utils.append('(', state); + traverse(substitution, path, state); + utils.catchup(substitution.range[1], state); + utils.append(')', state); + } + // if next templateElement isn't empty... + if (templateElements[ii + 1].value.cooked !== '') { + utils.append(' + ', state); + } + } + } + utils.move(node.range[1], state); + utils.append(')', state); + return false; +} + +visitTemplateLiteral.test = function(node, path, state) { + return node.type === Syntax.TemplateLiteral; +}; + +/** + * http://people.mozilla.org/~jorendorff/es6-draft.html#sec-12.2.6 + */ +function visitTaggedTemplateExpression(traverse, node, path, state) { + var template = node.quasi; + var numQuasis = template.quasis.length; + + // print the tag + utils.move(node.tag.range[0], state); + traverse(node.tag, path, state); + utils.catchup(node.tag.range[1], state); + + // print array of template elements + utils.append('(function() { var siteObj = [', state); + for (var ii = 0; ii < numQuasis; ii++) { + utils.append(getCookedValue(template.quasis[ii]), state); + if (ii !== numQuasis - 1) { + utils.append(', ', state); + } + } + utils.append(']; siteObj.raw = [', state); + for (ii = 0; ii < numQuasis; ii++) { + utils.append(getRawValue(template.quasis[ii]), state); + if (ii !== numQuasis - 1) { + utils.append(', ', state); + } + } + utils.append( + ']; Object.freeze(siteObj.raw); Object.freeze(siteObj); return siteObj; }()', + state + ); + + // print substitutions + if (numQuasis > 1) { + for (ii = 0; ii < template.expressions.length; ii++) { + var expression = template.expressions[ii]; + utils.append(', ', state); + + // maintain line numbers by calling catchupWhiteSpace over the whole + // previous TemplateElement + utils.move(template.quasis[ii].range[0], state); + utils.catchupNewlines(template.quasis[ii].range[1], state); + + utils.move(expression.range[0], state); + traverse(expression, path, state); + utils.catchup(expression.range[1], state); + } + } + + // print blank lines to push the closing ) down to account for the final + // TemplateElement. + utils.catchupNewlines(node.range[1], state); + + utils.append(')', state); + + return false; +} + +visitTaggedTemplateExpression.test = function(node, path, state) { + return node.type === Syntax.TaggedTemplateExpression; +}; + +function getCookedValue(templateElement) { + return JSON.stringify(templateElement.value.cooked); +} + +function getRawValue(templateElement) { + return JSON.stringify(templateElement.value.raw); +} + +exports.visitorList = [ + visitTemplateLiteral, + visitTaggedTemplateExpression +]; + +},{"../src/utils":23,"esprima-fb":9}],32:[function(_dereq_,module,exports){ +/** + * Copyright 2013 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/*jslint node:true*/ + +/** + * Desugars ES7 rest properties into ES5 object iteration. + */ + +var Syntax = _dereq_('esprima-fb').Syntax; + +// TODO: This is a pretty massive helper, it should only be defined once, in the +// transform's runtime environment. We don't currently have a runtime though. +var restFunction = + '(function(source, exclusion) {' + + 'var rest = {};' + + 'var hasOwn = Object.prototype.hasOwnProperty;' + + 'if (source == null) {' + + 'throw new TypeError();' + + '}' + + 'for (var key in source) {' + + 'if (hasOwn.call(source, key) && !hasOwn.call(exclusion, key)) {' + + 'rest[key] = source[key];' + + '}' + + '}' + + 'return rest;' + + '})'; + +function getPropertyNames(properties) { + var names = []; + for (var i = 0; i < properties.length; i++) { + var property = properties[i]; + if (property.type === Syntax.SpreadProperty) { + continue; + } + if (property.type === Syntax.Identifier) { + names.push(property.name); + } else { + names.push(property.key.name); + } + } + return names; +} + +function getRestFunctionCall(source, exclusion) { + return restFunction + '(' + source + ',' + exclusion + ')'; +} + +function getSimpleShallowCopy(accessorExpression) { + // This could be faster with 'Object.assign({}, ' + accessorExpression + ')' + // but to unify code paths and avoid a ES6 dependency we use the same + // helper as for the exclusion case. + return getRestFunctionCall(accessorExpression, '{}'); +} + +function renderRestExpression(accessorExpression, excludedProperties) { + var excludedNames = getPropertyNames(excludedProperties); + if (!excludedNames.length) { + return getSimpleShallowCopy(accessorExpression); + } + return getRestFunctionCall( + accessorExpression, + '{' + excludedNames.join(':1,') + ':1}' + ); +} + +exports.renderRestExpression = renderRestExpression; + +},{"esprima-fb":9}],33:[function(_dereq_,module,exports){ +/** + * Copyright 2004-present Facebook. All Rights Reserved. + */ +/*global exports:true*/ + +/** + * Implements ES7 object spread property. + * https://gist.github.com/sebmarkbage/aa849c7973cb4452c547 + * + * { ...a, x: 1 } + * + * Object.assign({}, a, {x: 1 }) + * + */ + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); + +function visitObjectLiteralSpread(traverse, node, path, state) { + utils.catchup(node.range[0], state); + + utils.append('Object.assign({', state); + + // Skip the original { + utils.move(node.range[0] + 1, state); + + var previousWasSpread = false; + + for (var i = 0; i < node.properties.length; i++) { + var property = node.properties[i]; + if (property.type === Syntax.SpreadProperty) { + + // Close the previous object or initial object + if (!previousWasSpread) { + utils.append('}', state); + } + + if (i === 0) { + // Normally there will be a comma when we catch up, but not before + // the first property. + utils.append(',', state); + } + + utils.catchup(property.range[0], state); + + // skip ... + utils.move(property.range[0] + 3, state); + + traverse(property.argument, path, state); + + utils.catchup(property.range[1], state); + + previousWasSpread = true; + + } else { + + utils.catchup(property.range[0], state); + + if (previousWasSpread) { + utils.append('{', state); + } + + traverse(property, path, state); + + utils.catchup(property.range[1], state); + + previousWasSpread = false; + + } + } + + // Strip any non-whitespace between the last item and the end. + // We only catch up on whitespace so that we ignore any trailing commas which + // are stripped out for IE8 support. Unfortunately, this also strips out any + // trailing comments. + utils.catchupWhiteSpace(node.range[1] - 1, state); + + // Skip the trailing } + utils.move(node.range[1], state); + + if (!previousWasSpread) { + utils.append('}', state); + } + + utils.append(')', state); + return false; +} + +visitObjectLiteralSpread.test = function(node, path, state) { + if (node.type !== Syntax.ObjectExpression) { + return false; + } + // Tight loop optimization + var hasAtLeastOneSpreadProperty = false; + for (var i = 0; i < node.properties.length; i++) { + var property = node.properties[i]; + if (property.type === Syntax.SpreadProperty) { + hasAtLeastOneSpreadProperty = true; + } else if (property.kind !== 'init') { + return false; + } + } + return hasAtLeastOneSpreadProperty; +}; + +exports.visitorList = [ + visitObjectLiteralSpread +]; + +},{"../src/utils":23,"esprima-fb":9}],34:[function(_dereq_,module,exports){ +/** + * Copyright 2014 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var KEYWORDS = [ + 'break', 'do', 'in', 'typeof', 'case', 'else', 'instanceof', 'var', 'catch', + 'export', 'new', 'void', 'class', 'extends', 'return', 'while', 'const', + 'finally', 'super', 'with', 'continue', 'for', 'switch', 'yield', 'debugger', + 'function', 'this', 'default', 'if', 'throw', 'delete', 'import', 'try' +]; + +var FUTURE_RESERVED_WORDS = [ + 'enum', 'await', 'implements', 'package', 'protected', 'static', 'interface', + 'private', 'public' +]; + +var LITERALS = [ + 'null', + 'true', + 'false' +]; + +// https://people.mozilla.org/~jorendorff/es6-draft.html#sec-reserved-words +var RESERVED_WORDS = [].concat( + KEYWORDS, + FUTURE_RESERVED_WORDS, + LITERALS +); + +var reservedWordsMap = Object.create(null); +RESERVED_WORDS.forEach(function(k) { + reservedWordsMap[k] = true; +}); + +/** + * This list should not grow as new reserved words are introdued. This list is + * of words that need to be quoted because ES3-ish browsers do not allow their + * use as identifier names. + */ +var ES3_FUTURE_RESERVED_WORDS = [ + 'enum', 'implements', 'package', 'protected', 'static', 'interface', + 'private', 'public' +]; + +var ES3_RESERVED_WORDS = [].concat( + KEYWORDS, + ES3_FUTURE_RESERVED_WORDS, + LITERALS +); + +var es3ReservedWordsMap = Object.create(null); +ES3_RESERVED_WORDS.forEach(function(k) { + es3ReservedWordsMap[k] = true; +}); + +exports.isReservedWord = function(word) { + return !!reservedWordsMap[word]; +}; + +exports.isES3ReservedWord = function(word) { + return !!es3ReservedWordsMap[word]; +}; + +},{}],35:[function(_dereq_,module,exports){ +/** + * Copyright 2014 Facebook, Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ +/*global exports:true*/ + +var Syntax = _dereq_('esprima-fb').Syntax; +var utils = _dereq_('../src/utils'); +var reserverdWordsHelper = _dereq_('./reserved-words-helper'); + +/** + * Code adapted from https://github.com/spicyj/es3ify + * The MIT License (MIT) + * Copyright (c) 2014 Ben Alpert + */ + +function visitProperty(traverse, node, path, state) { + utils.catchup(node.key.range[0], state); + utils.append('"', state); + utils.catchup(node.key.range[1], state); + utils.append('"', state); + utils.catchup(node.value.range[0], state); + traverse(node.value, path, state); + return false; +} + +visitProperty.test = function(node) { + return node.type === Syntax.Property && + node.key.type === Syntax.Identifier && + !node.method && + !node.shorthand && + !node.computed && + reserverdWordsHelper.isES3ReservedWord(node.key.name); +}; + +function visitMemberExpression(traverse, node, path, state) { + traverse(node.object, path, state); + utils.catchup(node.property.range[0] - 1, state); + utils.append('[', state); + utils.catchupWhiteSpace(node.property.range[0], state); + utils.append('"', state); + utils.catchup(node.property.range[1], state); + utils.append('"]', state); + return false; +} + +visitMemberExpression.test = function(node) { + return node.type === Syntax.MemberExpression && + node.property.type === Syntax.Identifier && + reserverdWordsHelper.isES3ReservedWord(node.property.name); +}; + +exports.visitorList = [ + visitProperty, + visitMemberExpression +]; + +},{"../src/utils":23,"./reserved-words-helper":34,"esprima-fb":9}],36:[function(_dereq_,module,exports){ +var esprima = _dereq_('esprima-fb'); +var utils = _dereq_('../src/utils'); + +var Syntax = esprima.Syntax; + +function _isFunctionNode(node) { + return node.type === Syntax.FunctionDeclaration + || node.type === Syntax.FunctionExpression + || node.type === Syntax.ArrowFunctionExpression; +} + +function visitClassProperty(traverse, node, path, state) { + utils.catchup(node.range[0], state); + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitClassProperty.test = function(node, path, state) { + return node.type === Syntax.ClassProperty; +}; + +function visitTypeAlias(traverse, node, path, state) { + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitTypeAlias.test = function(node, path, state) { + return node.type === Syntax.TypeAlias; +}; + +function visitTypeCast(traverse, node, path, state) { + path.unshift(node); + traverse(node.expression, path, state); + path.shift(); + + utils.catchup(node.typeAnnotation.range[0], state); + utils.catchupWhiteOut(node.typeAnnotation.range[1], state); + return false; +} +visitTypeCast.test = function(node, path, state) { + return node.type === Syntax.TypeCastExpression; +}; + +function visitInterfaceDeclaration(traverse, node, path, state) { + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitInterfaceDeclaration.test = function(node, path, state) { + return node.type === Syntax.InterfaceDeclaration; +}; + +function visitDeclare(traverse, node, path, state) { + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitDeclare.test = function(node, path, state) { + switch (node.type) { + case Syntax.DeclareVariable: + case Syntax.DeclareFunction: + case Syntax.DeclareClass: + case Syntax.DeclareModule: + return true; + } + return false; +}; + +function visitFunctionParametricAnnotation(traverse, node, path, state) { + utils.catchup(node.range[0], state); + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitFunctionParametricAnnotation.test = function(node, path, state) { + return node.type === Syntax.TypeParameterDeclaration + && path[0] + && _isFunctionNode(path[0]) + && node === path[0].typeParameters; +}; + +function visitFunctionReturnAnnotation(traverse, node, path, state) { + utils.catchup(node.range[0], state); + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitFunctionReturnAnnotation.test = function(node, path, state) { + return path[0] && _isFunctionNode(path[0]) && node === path[0].returnType; +}; + +function visitOptionalFunctionParameterAnnotation(traverse, node, path, state) { + utils.catchup(node.range[0] + node.name.length, state); + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitOptionalFunctionParameterAnnotation.test = function(node, path, state) { + return node.type === Syntax.Identifier + && node.optional + && path[0] + && _isFunctionNode(path[0]); +}; + +function visitTypeAnnotatedIdentifier(traverse, node, path, state) { + utils.catchup(node.typeAnnotation.range[0], state); + utils.catchupWhiteOut(node.typeAnnotation.range[1], state); + return false; +} +visitTypeAnnotatedIdentifier.test = function(node, path, state) { + return node.type === Syntax.Identifier && node.typeAnnotation; +}; + +function visitTypeAnnotatedObjectOrArrayPattern(traverse, node, path, state) { + utils.catchup(node.typeAnnotation.range[0], state); + utils.catchupWhiteOut(node.typeAnnotation.range[1], state); + return false; +} +visitTypeAnnotatedObjectOrArrayPattern.test = function(node, path, state) { + var rightType = node.type === Syntax.ObjectPattern + || node.type === Syntax.ArrayPattern; + return rightType && node.typeAnnotation; +}; + +/** + * Methods cause trouble, since esprima parses them as a key/value pair, where + * the location of the value starts at the method body. For example + * { bar(x:number,...y:Array):number {} } + * is parsed as + * { bar: function(x: number, ...y:Array): number {} } + * except that the location of the FunctionExpression value is 40-something, + * which is the location of the function body. This means that by the time we + * visit the params, rest param, and return type organically, we've already + * catchup()'d passed them. + */ +function visitMethod(traverse, node, path, state) { + path.unshift(node); + traverse(node.key, path, state); + + path.unshift(node.value); + traverse(node.value.params, path, state); + node.value.rest && traverse(node.value.rest, path, state); + node.value.returnType && traverse(node.value.returnType, path, state); + traverse(node.value.body, path, state); + + path.shift(); + + path.shift(); + return false; +} + +visitMethod.test = function(node, path, state) { + return (node.type === "Property" && (node.method || node.kind === "set" || node.kind === "get")) + || (node.type === "MethodDefinition"); +}; + +function visitImportType(traverse, node, path, state) { + utils.catchupWhiteOut(node.range[1], state); + return false; +} +visitImportType.test = function(node, path, state) { + return node.type === 'ImportDeclaration' + && node.isType; +}; + +exports.visitorList = [ + visitClassProperty, + visitDeclare, + visitImportType, + visitInterfaceDeclaration, + visitFunctionParametricAnnotation, + visitFunctionReturnAnnotation, + visitMethod, + visitOptionalFunctionParameterAnnotation, + visitTypeAlias, + visitTypeCast, + visitTypeAnnotatedIdentifier, + visitTypeAnnotatedObjectOrArrayPattern +]; + +},{"../src/utils":23,"esprima-fb":9}],37:[function(_dereq_,module,exports){ +/** + * Copyright 2013-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ +/*global exports:true*/ +'use strict'; +var Syntax = _dereq_('jstransform').Syntax; +var utils = _dereq_('jstransform/src/utils'); + +function renderJSXLiteral(object, isLast, state, start, end) { + var lines = object.value.split(/\r\n|\n|\r/); + + if (start) { + utils.append(start, state); + } + + var lastNonEmptyLine = 0; + + lines.forEach(function(line, index) { + if (line.match(/[^ \t]/)) { + lastNonEmptyLine = index; + } + }); + + lines.forEach(function(line, index) { + var isFirstLine = index === 0; + var isLastLine = index === lines.length - 1; + var isLastNonEmptyLine = index === lastNonEmptyLine; + + // replace rendered whitespace tabs with spaces + var trimmedLine = line.replace(/\t/g, ' '); + + // trim whitespace touching a newline + if (!isFirstLine) { + trimmedLine = trimmedLine.replace(/^[ ]+/, ''); + } + if (!isLastLine) { + trimmedLine = trimmedLine.replace(/[ ]+$/, ''); + } + + if (!isFirstLine) { + utils.append(line.match(/^[ \t]*/)[0], state); + } + + if (trimmedLine || isLastNonEmptyLine) { + utils.append( + JSON.stringify(trimmedLine) + + (!isLastNonEmptyLine ? ' + \' \' +' : ''), + state); + + if (isLastNonEmptyLine) { + if (end) { + utils.append(end, state); + } + if (!isLast) { + utils.append(', ', state); + } + } + + // only restore tail whitespace if line had literals + if (trimmedLine && !isLastLine) { + utils.append(line.match(/[ \t]*$/)[0], state); + } + } + + if (!isLastLine) { + utils.append('\n', state); + } + }); + + utils.move(object.range[1], state); +} + +function renderJSXExpressionContainer(traverse, object, isLast, path, state) { + // Plus 1 to skip `{`. + utils.move(object.range[0] + 1, state); + utils.catchup(object.expression.range[0], state); + traverse(object.expression, path, state); + + if (!isLast && object.expression.type !== Syntax.JSXEmptyExpression) { + // If we need to append a comma, make sure to do so after the expression. + utils.catchup(object.expression.range[1], state, trimLeft); + utils.append(', ', state); + } + + // Minus 1 to skip `}`. + utils.catchup(object.range[1] - 1, state, trimLeft); + utils.move(object.range[1], state); + return false; +} + +function quoteAttrName(attr) { + // Quote invalid JS identifiers. + if (!/^[a-z_$][a-z\d_$]*$/i.test(attr)) { + return '"' + attr + '"'; + } + return attr; +} + +function trimLeft(value) { + return value.replace(/^[ ]+/, ''); +} + +exports.renderJSXExpressionContainer = renderJSXExpressionContainer; +exports.renderJSXLiteral = renderJSXLiteral; +exports.quoteAttrName = quoteAttrName; +exports.trimLeft = trimLeft; + +},{"jstransform":22,"jstransform/src/utils":23}],38:[function(_dereq_,module,exports){ +/** + * Copyright 2013-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ +/*global exports:true*/ +'use strict'; + +var Syntax = _dereq_('jstransform').Syntax; +var utils = _dereq_('jstransform/src/utils'); + +var renderJSXExpressionContainer = + _dereq_('./jsx').renderJSXExpressionContainer; +var renderJSXLiteral = _dereq_('./jsx').renderJSXLiteral; +var quoteAttrName = _dereq_('./jsx').quoteAttrName; + +var trimLeft = _dereq_('./jsx').trimLeft; + +/** + * Customized desugar processor for React JSX. Currently: + * + * => React.createElement(X, null) + * => React.createElement(X, {prop: '1'}, null) + * => React.createElement(X, {prop:'2'}, + * React.createElement(Y, null) + * ) + *
=> React.createElement("div", null) + */ + +/** + * Removes all non-whitespace/parenthesis characters + */ +var reNonWhiteParen = /([^\s\(\)])/g; +function stripNonWhiteParen(value) { + return value.replace(reNonWhiteParen, ''); +} + +var tagConvention = /^[a-z]|\-/; +function isTagName(name) { + return tagConvention.test(name); +} + +function visitReactTag(traverse, object, path, state) { + var openingElement = object.openingElement; + var nameObject = openingElement.name; + var attributesObject = openingElement.attributes; + + utils.catchup(openingElement.range[0], state, trimLeft); + + if (nameObject.type === Syntax.JSXNamespacedName && nameObject.namespace) { + throw new Error('Namespace tags are not supported. ReactJSX is not XML.'); + } + + // We assume that the React runtime is already in scope + utils.append('React.createElement(', state); + + if (nameObject.type === Syntax.JSXIdentifier && isTagName(nameObject.name)) { + utils.append('"' + nameObject.name + '"', state); + utils.move(nameObject.range[1], state); + } else { + // Use utils.catchup in this case so we can easily handle + // JSXMemberExpressions which look like Foo.Bar.Baz. This also handles + // JSXIdentifiers that aren't fallback tags. + utils.move(nameObject.range[0], state); + utils.catchup(nameObject.range[1], state); + } + + utils.append(', ', state); + + var hasAttributes = attributesObject.length; + + var hasAtLeastOneSpreadProperty = attributesObject.some(function(attr) { + return attr.type === Syntax.JSXSpreadAttribute; + }); + + // if we don't have any attributes, pass in null + if (hasAtLeastOneSpreadProperty) { + utils.append('React.__spread({', state); + } else if (hasAttributes) { + utils.append('{', state); + } else { + utils.append('null', state); + } + + // keep track of if the previous attribute was a spread attribute + var previousWasSpread = false; + + // write attributes + attributesObject.forEach(function(attr, index) { + var isLast = index === attributesObject.length - 1; + + if (attr.type === Syntax.JSXSpreadAttribute) { + // Close the previous object or initial object + if (!previousWasSpread) { + utils.append('}, ', state); + } + + // Move to the expression start, ignoring everything except parenthesis + // and whitespace. + utils.catchup(attr.range[0], state, stripNonWhiteParen); + // Plus 1 to skip `{`. + utils.move(attr.range[0] + 1, state); + utils.catchup(attr.argument.range[0], state, stripNonWhiteParen); + + traverse(attr.argument, path, state); + + utils.catchup(attr.argument.range[1], state); + + // Move to the end, ignoring parenthesis and the closing `}` + utils.catchup(attr.range[1] - 1, state, stripNonWhiteParen); + + if (!isLast) { + utils.append(', ', state); + } + + utils.move(attr.range[1], state); + + previousWasSpread = true; + + return; + } + + // If the next attribute is a spread, we're effective last in this object + if (!isLast) { + isLast = attributesObject[index + 1].type === Syntax.JSXSpreadAttribute; + } + + if (attr.name.namespace) { + throw new Error( + 'Namespace attributes are not supported. ReactJSX is not XML.'); + } + var name = attr.name.name; + + utils.catchup(attr.range[0], state, trimLeft); + + if (previousWasSpread) { + utils.append('{', state); + } + + utils.append(quoteAttrName(name), state); + utils.append(': ', state); + + if (!attr.value) { + state.g.buffer += 'true'; + state.g.position = attr.name.range[1]; + if (!isLast) { + utils.append(', ', state); + } + } else { + utils.move(attr.name.range[1], state); + // Use catchupNewlines to skip over the '=' in the attribute + utils.catchupNewlines(attr.value.range[0], state); + if (attr.value.type === Syntax.Literal) { + renderJSXLiteral(attr.value, isLast, state); + } else { + renderJSXExpressionContainer(traverse, attr.value, isLast, path, state); + } + } + + utils.catchup(attr.range[1], state, trimLeft); + + previousWasSpread = false; + + }); + + if (!openingElement.selfClosing) { + utils.catchup(openingElement.range[1] - 1, state, trimLeft); + utils.move(openingElement.range[1], state); + } + + if (hasAttributes && !previousWasSpread) { + utils.append('}', state); + } + + if (hasAtLeastOneSpreadProperty) { + utils.append(')', state); + } + + // filter out whitespace + var childrenToRender = object.children.filter(function(child) { + return !(child.type === Syntax.Literal + && typeof child.value === 'string' + && child.value.match(/^[ \t]*[\r\n][ \t\r\n]*$/)); + }); + if (childrenToRender.length > 0) { + var lastRenderableIndex; + + childrenToRender.forEach(function(child, index) { + if (child.type !== Syntax.JSXExpressionContainer || + child.expression.type !== Syntax.JSXEmptyExpression) { + lastRenderableIndex = index; + } + }); + + if (lastRenderableIndex !== undefined) { + utils.append(', ', state); + } + + childrenToRender.forEach(function(child, index) { + utils.catchup(child.range[0], state, trimLeft); + + var isLast = index >= lastRenderableIndex; + + if (child.type === Syntax.Literal) { + renderJSXLiteral(child, isLast, state); + } else if (child.type === Syntax.JSXExpressionContainer) { + renderJSXExpressionContainer(traverse, child, isLast, path, state); + } else { + traverse(child, path, state); + if (!isLast) { + utils.append(', ', state); + } + } + + utils.catchup(child.range[1], state, trimLeft); + }); + } + + if (openingElement.selfClosing) { + // everything up to /> + utils.catchup(openingElement.range[1] - 2, state, trimLeft); + utils.move(openingElement.range[1], state); + } else { + // everything up to + utils.catchup(object.closingElement.range[0], state, trimLeft); + utils.move(object.closingElement.range[1], state); + } + + utils.append(')', state); + return false; +} + +visitReactTag.test = function(object, path, state) { + return object.type === Syntax.JSXElement; +}; + +exports.visitorList = [ + visitReactTag +]; + +},{"./jsx":37,"jstransform":22,"jstransform/src/utils":23}],39:[function(_dereq_,module,exports){ +/** + * Copyright 2013-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ +/*global exports:true*/ +'use strict'; + +var Syntax = _dereq_('jstransform').Syntax; +var utils = _dereq_('jstransform/src/utils'); + +function addDisplayName(displayName, object, state) { + if (object && + object.type === Syntax.CallExpression && + object.callee.type === Syntax.MemberExpression && + object.callee.object.type === Syntax.Identifier && + object.callee.object.name === 'React' && + object.callee.property.type === Syntax.Identifier && + object.callee.property.name === 'createClass' && + object.arguments.length === 1 && + object.arguments[0].type === Syntax.ObjectExpression) { + // Verify that the displayName property isn't already set + var properties = object.arguments[0].properties; + var safe = properties.every(function(property) { + var value = property.key.type === Syntax.Identifier ? + property.key.name : + property.key.value; + return value !== 'displayName'; + }); + + if (safe) { + utils.catchup(object.arguments[0].range[0] + 1, state); + utils.append('displayName: "' + displayName + '",', state); + } + } +} + +/** + * Transforms the following: + * + * var MyComponent = React.createClass({ + * render: ... + * }); + * + * into: + * + * var MyComponent = React.createClass({ + * displayName: 'MyComponent', + * render: ... + * }); + * + * Also catches: + * + * MyComponent = React.createClass(...); + * exports.MyComponent = React.createClass(...); + * module.exports = {MyComponent: React.createClass(...)}; + */ +function visitReactDisplayName(traverse, object, path, state) { + var left, right; + + if (object.type === Syntax.AssignmentExpression) { + left = object.left; + right = object.right; + } else if (object.type === Syntax.Property) { + left = object.key; + right = object.value; + } else if (object.type === Syntax.VariableDeclarator) { + left = object.id; + right = object.init; + } + + if (left && left.type === Syntax.MemberExpression) { + left = left.property; + } + if (left && left.type === Syntax.Identifier) { + addDisplayName(left.name, right, state); + } +} + +visitReactDisplayName.test = function(object, path, state) { + return ( + object.type === Syntax.AssignmentExpression || + object.type === Syntax.Property || + object.type === Syntax.VariableDeclarator + ); +}; + +exports.visitorList = [ + visitReactDisplayName +]; + +},{"jstransform":22,"jstransform/src/utils":23}],40:[function(_dereq_,module,exports){ +/*global exports:true*/ + +'use strict'; + +var es6ArrowFunctions = + _dereq_('jstransform/visitors/es6-arrow-function-visitors'); +var es6Classes = _dereq_('jstransform/visitors/es6-class-visitors'); +var es6Destructuring = + _dereq_('jstransform/visitors/es6-destructuring-visitors'); +var es6ObjectConciseMethod = + _dereq_('jstransform/visitors/es6-object-concise-method-visitors'); +var es6ObjectShortNotation = + _dereq_('jstransform/visitors/es6-object-short-notation-visitors'); +var es6RestParameters = _dereq_('jstransform/visitors/es6-rest-param-visitors'); +var es6Templates = _dereq_('jstransform/visitors/es6-template-visitors'); +var es6CallSpread = + _dereq_('jstransform/visitors/es6-call-spread-visitors'); +var es7SpreadProperty = + _dereq_('jstransform/visitors/es7-spread-property-visitors'); +var react = _dereq_('./transforms/react'); +var reactDisplayName = _dereq_('./transforms/reactDisplayName'); +var reservedWords = _dereq_('jstransform/visitors/reserved-words-visitors'); + +/** + * Map from transformName => orderedListOfVisitors. + */ +var transformVisitors = { + 'es6-arrow-functions': es6ArrowFunctions.visitorList, + 'es6-classes': es6Classes.visitorList, + 'es6-destructuring': es6Destructuring.visitorList, + 'es6-object-concise-method': es6ObjectConciseMethod.visitorList, + 'es6-object-short-notation': es6ObjectShortNotation.visitorList, + 'es6-rest-params': es6RestParameters.visitorList, + 'es6-templates': es6Templates.visitorList, + 'es6-call-spread': es6CallSpread.visitorList, + 'es7-spread-property': es7SpreadProperty.visitorList, + 'react': react.visitorList.concat(reactDisplayName.visitorList), + 'reserved-words': reservedWords.visitorList +}; + +var transformSets = { + 'harmony': [ + 'es6-arrow-functions', + 'es6-object-concise-method', + 'es6-object-short-notation', + 'es6-classes', + 'es6-rest-params', + 'es6-templates', + 'es6-destructuring', + 'es6-call-spread', + 'es7-spread-property' + ], + 'es3': [ + 'reserved-words' + ], + 'react': [ + 'react' + ] +}; + +/** + * Specifies the order in which each transform should run. + */ +var transformRunOrder = [ + 'reserved-words', + 'es6-arrow-functions', + 'es6-object-concise-method', + 'es6-object-short-notation', + 'es6-classes', + 'es6-rest-params', + 'es6-templates', + 'es6-destructuring', + 'es6-call-spread', + 'es7-spread-property', + 'react' +]; + +/** + * Given a list of transform names, return the ordered list of visitors to be + * passed to the transform() function. + * + * @param {array?} excludes + * @return {array} + */ +function getAllVisitors(excludes) { + var ret = []; + for (var i = 0, il = transformRunOrder.length; i < il; i++) { + if (!excludes || excludes.indexOf(transformRunOrder[i]) === -1) { + ret = ret.concat(transformVisitors[transformRunOrder[i]]); + } + } + return ret; +} + +/** + * Given a list of visitor set names, return the ordered list of visitors to be + * passed to jstransform. + * + * @param {array} + * @return {array} + */ +function getVisitorsBySet(sets) { + var visitorsToInclude = sets.reduce(function(visitors, set) { + if (!transformSets.hasOwnProperty(set)) { + throw new Error('Unknown visitor set: ' + set); + } + transformSets[set].forEach(function(visitor) { + visitors[visitor] = true; + }); + return visitors; + }, {}); + + var visitorList = []; + for (var i = 0; i < transformRunOrder.length; i++) { + if (visitorsToInclude.hasOwnProperty(transformRunOrder[i])) { + visitorList = visitorList.concat(transformVisitors[transformRunOrder[i]]); + } + } + + return visitorList; +} + +exports.getVisitorsBySet = getVisitorsBySet; +exports.getAllVisitors = getAllVisitors; +exports.transformVisitors = transformVisitors; + +},{"./transforms/react":38,"./transforms/reactDisplayName":39,"jstransform/visitors/es6-arrow-function-visitors":24,"jstransform/visitors/es6-call-spread-visitors":25,"jstransform/visitors/es6-class-visitors":26,"jstransform/visitors/es6-destructuring-visitors":27,"jstransform/visitors/es6-object-concise-method-visitors":28,"jstransform/visitors/es6-object-short-notation-visitors":29,"jstransform/visitors/es6-rest-param-visitors":30,"jstransform/visitors/es6-template-visitors":31,"jstransform/visitors/es7-spread-property-visitors":33,"jstransform/visitors/reserved-words-visitors":35}],41:[function(_dereq_,module,exports){ +/** + * Copyright 2013-2015, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + */ + +'use strict'; +/*eslint-disable no-undef*/ +var Buffer = _dereq_('buffer').Buffer; + +function inlineSourceMap(sourceMap, sourceCode, sourceFilename) { + // This can be used with a sourcemap that has already has toJSON called on it. + // Check first. + var json = sourceMap; + if (typeof sourceMap.toJSON === 'function') { + json = sourceMap.toJSON(); + } + json.sources = [sourceFilename]; + json.sourcesContent = [sourceCode]; + var base64 = Buffer(JSON.stringify(json)).toString('base64'); + return '//# sourceMappingURL=data:application/json;base64,' + base64; +} + +module.exports = inlineSourceMap; + +},{"buffer":3}]},{},[1])(1) +}); \ No newline at end of file diff --git a/ui/ZeroTierNode.jsx b/ui/ZeroTierNode.jsx new file mode 100644 index 000000000..5d2af33f5 --- /dev/null +++ b/ui/ZeroTierNode.jsx @@ -0,0 +1,51 @@ +var ZeroTierNode = React.createClass({ + getInitialState: function() { + return { + address: '----------', + online: false, + version: '_._._' + }; + }, + + updateAll: function() { + Ajax.call({ + url: 'status?auth='+this.props.authToken, + cache: false, + type: 'GET', + success: function(data) { + if (data) + this.setState(JSON.parse(data)); + }.bind(this), + error: function() { + this.setState(this.getInitialState()); + }.bind(this) + }) + }, + + componentDidMount: function() { + this.updateAll(); +// this.updateIntervalId = setInterval(this.updateAll,2500); + }, + componentWillUnmount: function() { +// clearInterval(this.updateIntervalId); + }, + render: function() { + return ( +
+
+
+
+
+ {this.state.address} + {this.state.online ? 'ONLINE' : 'OFFLINE'}  {this.state.version} +
+
+
+ +
+
+
+
+ ); + } +}); diff --git a/ui/bootstrap-theme.min.css b/ui/bootstrap-theme.min.css new file mode 100644 index 000000000..cefa3d1ae --- /dev/null +++ b/ui/bootstrap-theme.min.css @@ -0,0 +1,5 @@ +/*! + * Bootstrap v3.3.4 (http://getbootstrap.com) + * Copyright 2011-2015 Twitter, Inc. + * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) + */.btn-danger,.btn-default,.btn-info,.btn-primary,.btn-success,.btn-warning{text-shadow:0 -1px 0 rgba(0,0,0,.2);-webkit-box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 1px 1px rgba(0,0,0,.075)}.btn-danger.active,.btn-danger:active,.btn-default.active,.btn-default:active,.btn-info.active,.btn-info:active,.btn-primary.active,.btn-primary:active,.btn-success.active,.btn-success:active,.btn-warning.active,.btn-warning:active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}.btn-danger .badge,.btn-default 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