corda/src/processor.h

142 lines
2.9 KiB
C++

#ifndef PROCESSOR_H
#define PROCESSOR_H
#include "common.h"
#include "system.h"
#include "heap.h"
namespace vm {
class Processor {
public:
class StackWalker;
class StackVisitor {
public:
virtual ~StackVisitor() { }
virtual bool visit(StackWalker* walker) = 0;
};
class StackWalker {
public:
virtual ~StackWalker() { }
virtual void walk(StackVisitor* v) = 0;
virtual object method() = 0;
virtual int ip() = 0;
virtual unsigned count() = 0;
};
virtual ~Processor() { }
virtual Thread*
makeThread(Machine* m, object javaThread, Thread* parent) = 0;
virtual object
makeMethod(Thread* t,
uint8_t vmFlags,
uint8_t returnCode,
uint8_t parameterCount,
uint8_t parameterFootprint,
uint16_t flags,
uint16_t offset,
object name,
object spec,
object class_,
object code) = 0;
virtual object
makeClass(Thread* t,
uint16_t flags,
uint8_t vmFlags,
uint8_t arrayDimensions,
uint16_t fixedSize,
uint16_t arrayElementSize,
object objectMask,
object name,
object super,
object interfaceTable,
object virtualTable,
object fieldTable,
object methodTable,
object staticTable,
object loader,
unsigned vtableLength) = 0;
virtual void
initVtable(Thread* t, object c) = 0;
virtual void
initClass(Thread* t, object c) = 0;
virtual void
visitObjects(Thread* t, Heap::Visitor* v) = 0;
virtual void
walkStack(Thread* t, StackVisitor* v) = 0;
virtual int
lineNumber(Thread* t, object method, int ip) = 0;
virtual object*
makeLocalReference(Thread* t, object o) = 0;
virtual void
disposeLocalReference(Thread* t, object* r) = 0;
virtual object
invokeArray(Thread* t, object method, object this_, object arguments) = 0;
virtual object
invokeList(Thread* t, object method, object this_, bool indirectObjects,
va_list arguments) = 0;
virtual object
invokeList(Thread* t, const char* className, const char* methodName,
const char* methodSpec, object this_, va_list arguments) = 0;
virtual void
dispose(Thread* t) = 0;
virtual void
dispose() = 0;
object
invoke(Thread* t, object method, object this_, ...)
{
va_list a;
va_start(a, this_);
object r = invokeList(t, method, this_, false, a);
va_end(a);
return r;
}
object
invoke(Thread* t, const char* className, const char* methodName,
const char* methodSpec, object this_, ...)
{
va_list a;
va_start(a, this_);
object r = invokeList(t, className, methodName, methodSpec, this_, a);
va_end(a);
return r;
}
};
Processor*
makeProcessor(System* system, Allocator* allocator);
} // namespace vm
#endif//PROCESSOR_H