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break each Class, Field, and Method into separate classes

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In order to facilitate making the VM compatible with multiple class
libraries, it's useful to separate the VM-specific representation of
these classes from the library implementations.  This commit
introduces VMClass, VMField, and VMMethod for that purpose.
This commit is contained in:
Joel Dice
2010-09-01 10:13:52 -06:00
parent 4273ff834c
commit 17c1a552d5
21 changed files with 547 additions and 348 deletions
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34
classpath/java/lang/reflect/Proxy.java
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@ -45,12 +45,14 @@ public class Proxy {
private static final int getfield = 0xb4;
private static final int iload = 0x15;
private static final int invokeinterface = 0xb9;
private static final int invokespecial = 0xb7;
private static final int invokestatic = 0xb8;
private static final int invokevirtual = 0xb6;
private static final int ireturn = 0xac;
private static final int ldc_w = 0x13;
private static final int lload = 0x16;
private static final int lreturn = 0xad;
private static final int new_ = 0xbb;
private static final int pop = 0x57;
private static final int putfield = 0xb5;
private static final int return_ = 0xb1;
@ -172,15 +174,26 @@ public class Proxy {
write1(out, aload_0);
write1(out, new_);
write2(out, poolAddClass(pool, "java/lang/reflect/Method") + 1);
write1(out, dup);
write1(out, ldc_w);
write2(out, poolAddClass(pool, className) + 1);
write1(out, getfield);
write2(out, poolAddFieldRef
(pool, "java/lang/Class",
"methodTable", "[Ljava/lang/reflect/Method;") + 1);
"vmClass", "Lavian/VMClass;") + 1);
write1(out, getfield);
write2(out, poolAddFieldRef
(pool, "avian/VMClass",
"methodTable", "[Lavian/VMMethod;") + 1);
write1(out, ldc_w);
write2(out, poolAddInteger(pool, index) + 1);
write1(out, aaload);
write1(out, invokespecial);
write2(out, poolAddMethodRef
(pool, "java/lang/reflect/Method",
"<init>", "(Lavian/VMMethod;)V") + 1);
write1(out, ldc_w);
write2(out, poolAddInteger(pool, parameterCount) + 1);
@ -434,22 +447,22 @@ public class Proxy {
interfaceIndexes[i] = poolAddClass(pool, interfaces[i].getName());
}
Map<String,Method> virtualMap = new HashMap();
Map<String,avian.VMMethod> virtualMap = new HashMap();
for (Class c: interfaces) {
Method[] ivtable = c.virtualTable;
avian.VMMethod[] ivtable = c.vmClass.virtualTable;
if (ivtable != null) {
for (Method m: ivtable) {
virtualMap.put(m.getName() + m.getSpec(), m);
for (avian.VMMethod m: ivtable) {
virtualMap.put(Method.getName(m) + Method.getSpec(m), m);
}
}
}
MethodData[] methodTable = new MethodData[virtualMap.size() + 1];
{ int i = 0;
for (Method m: virtualMap.values()) {
for (avian.VMMethod m: virtualMap.values()) {
methodTable[i] = new MethodData
(poolAddUtf8(pool, m.getName()),
poolAddUtf8(pool, m.getSpec()),
(poolAddUtf8(pool, Method.getName(m)),
poolAddUtf8(pool, Method.getSpec(m)),
makeInvokeCode(pool, name, m.spec, m.parameterCount,
m.parameterFootprint, i));
++ i;
@ -501,8 +514,9 @@ public class Proxy {
write2(out, 0); // attribute count
byte[] classData = out.toByteArray();
return avian.SystemClassLoader.defineClass
(loader, classData, 0, classData.length);
return avian.SystemClassLoader.getClass
(avian.SystemClassLoader.defineVMClass
(loader, classData, 0, classData.length));
}
public static Object newProxyInstance(ClassLoader loader,