mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-02 10:00:54 +00:00
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
//
|
|
// The contents of this file are subject to the Netscape Public
|
|
// License Version 1.1 (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.mozilla.org/NPL/
|
|
//
|
|
// Software distributed under the License is distributed on an "AS
|
|
// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
|
|
// implied. See the License for the specific language governing
|
|
// rights and limitations under the License.
|
|
//
|
|
// The Original Code is the JavaScript 2 Prototype.
|
|
//
|
|
// The Initial Developer of the Original Code is Netscape
|
|
// Communications Corporation. Portions created by Netscape are
|
|
// Copyright (C) 2000 Netscape Communications Corporation. All
|
|
// Rights Reserved.
|
|
|
|
#ifndef interpreter_h
|
|
#define interpreter_h
|
|
|
|
#include "utilities.h"
|
|
#include "jstypes.h"
|
|
#include "vmtypes.h"
|
|
#include "icodegenerator.h"
|
|
#include "gc_allocator.h"
|
|
|
|
namespace JavaScript {
|
|
namespace Interpreter {
|
|
|
|
using namespace ICG;
|
|
using namespace JSTypes;
|
|
|
|
struct Activation;
|
|
|
|
struct Linkage;
|
|
|
|
class Context : public gc_base {
|
|
void initContext();
|
|
public:
|
|
explicit Context(World& world, JSScope* aGlobal)
|
|
: mWorld(world), mGlobal(aGlobal), mLinkage(0), mActivation(0), mHasOperatorsPackageLoaded(false) { initContext(); }
|
|
|
|
World& getWorld() { return mWorld; }
|
|
JSScope* getGlobalObject() { return mGlobal; }
|
|
InstructionIterator getPC() { return mPC; }
|
|
|
|
JSValues& getRegisters();
|
|
ICodeModule* getICode();
|
|
|
|
enum Event {
|
|
EV_NONE = 0x0000,
|
|
EV_STEP = 0x0001,
|
|
EV_THROW = 0x0002,
|
|
EV_DEBUG = 0x0004,
|
|
EV_ALL = 0xffff
|
|
};
|
|
|
|
class Listener {
|
|
public:
|
|
virtual void listen(Context *context, Event event) = 0;
|
|
};
|
|
|
|
void addListener(Listener* listener);
|
|
void removeListener(Listener* listener);
|
|
|
|
class Frame {
|
|
public:
|
|
virtual Frame* getNext() = 0;
|
|
virtual void getState(InstructionIterator& pc, JSValues*& registers,
|
|
ICodeModule*& iCode) = 0;
|
|
};
|
|
|
|
Frame* getFrames();
|
|
|
|
JSValue interpret(ICodeModule* iCode, const JSValues& args);
|
|
void doCall(JSFunction *target, Instruction *pc);
|
|
|
|
ICodeModule* compileFunction(const String &source);
|
|
ICodeModule* genCode(StmtNode *p, const String &fileName);
|
|
JSValue readEvalFile(FILE* in, const String& fileName);
|
|
|
|
void addBinaryOperator(BinaryOperator::BinaryOp op, BinaryOperator *fn) { mBinaryOperators[op].push_back(fn); }
|
|
const JSValue findBinaryOverride(JSValue &operand1, JSValue &operand2, BinaryOperator::BinaryOp op);
|
|
|
|
|
|
bool hasOperatorsPackageLoaded() { return mHasOperatorsPackageLoaded; }
|
|
|
|
private:
|
|
void broadcast(Event event);
|
|
void initOperatorsPackage();
|
|
|
|
private:
|
|
World& mWorld;
|
|
JSScope* mGlobal;
|
|
Linkage* mLinkage;
|
|
typedef std::vector<Listener*, gc_allocator<Listener*> > ListenerList;
|
|
typedef ListenerList::iterator ListenerIterator;
|
|
ListenerList mListeners;
|
|
Activation* mActivation;
|
|
bool mHasOperatorsPackageLoaded;
|
|
|
|
InstructionIterator mPC;
|
|
|
|
BinaryOperatorList mBinaryOperators[BinaryOperator::BinaryOperatorCount];
|
|
|
|
}; /* class Context */
|
|
|
|
} /* namespace Interpreter */
|
|
} /* namespace JavaScript */
|
|
|
|
#endif /* interpreter_h */
|