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84 lines
2.4 KiB
C++
84 lines
2.4 KiB
C++
// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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//
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// The contents of this file are subject to the Netscape Public
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// License Version 1.1 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of
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// the License at http://www.mozilla.org/NPL/
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//
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// Software distributed under the License is distributed on an "AS
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// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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//
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// The Original Code is the JavaScript 2 Prototype.
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//
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// The Initial Developer of the Original Code is Netscape
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// Communications Corporation. Portions created by Netscape are
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// Copyright (C) 2000 Netscape Communications Corporation. All
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// Rights Reserved.
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#ifndef interpreter_h
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#define interpreter_h
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#include "utilities.h"
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#include "jstypes.h"
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#include "icodegenerator.h"
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#include "gc_allocator.h"
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namespace JavaScript {
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namespace Interpreter {
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using namespace ICG;
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using namespace JSTypes;
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struct Linkage;
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class Context : public gc_base {
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public:
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explicit Context(World& world, JSNamespace* aGlobal)
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: mWorld(world), mGlobal(aGlobal), mLinkage(0)
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{
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}
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JSNamespace* getGlobalObject() { return mGlobal; }
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JSNamespace* setGlobalObject(JSNamespace* aGlobal)
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{
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JSNamespace* t = mGlobal;
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mGlobal = aGlobal;
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return t;
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}
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class Listener {
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public:
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virtual void listen(Context* context, InstructionIterator pc, JSValues* registers, ICodeModule* iCode) = 0;
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};
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void addListener(Listener* listener);
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void removeListener(Listener* listener);
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class Frame {
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public:
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virtual Frame* getNext() = 0;
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virtual void getState(InstructionIterator& pc, JSValues*& registers, ICodeModule*& iCode) = 0;
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};
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Frame* getFrames();
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JSValue interpret(ICodeModule* iCode, const JSValues& args);
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private:
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void broadcast(InstructionIterator pc, JSValues* registers, ICodeModule* iCode);
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private:
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World& mWorld;
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JSNamespace* mGlobal;
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Linkage* mLinkage;
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std::vector<Listener*> mListeners;
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}; /* class Context */
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} /* namespace Interpreter */
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} /* namespace JavaScript */
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#endif /* interpreter_h */
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