pjs/js/js2/interpreter.h

// -*- 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) 1998 Netscape Communications Corporation. All
// Rights Reserved.

#ifndef interpreter_h
#define interpreter_h

#include "icodegenerator.h"

#ifdef XP_MAC
#include "gc_allocator.h"
#else
// for platforms w/o a working gc_allocator.
#include <memory>
#define gc_allocator std::allocator
#endif

namespace JavaScript {
    /**
     * Opaque type for JavaScript objects.
     */
    class JSObject;
    class JSArray;
    
    /**
     * All JavaScript data types.
     */
    union JSValue {
        int8 i8;
        uint8 u8;
        int16 i16;
        uint16 u16;
        int32 i32;
        uint32 u32;
        int64 i64;
        uint64 u64;
        float32 f32;
        float64 f64;
        JSObject* object;
        JSArray* array;
        ICodeModule *icm;

        JSValue() : f64(0.0) {}

        explicit JSValue(float64 f64) : f64(f64) {}
        JSValue(ICodeModule *fn) : icm(fn) {}
    };
	
    /**
     * GC-scannable array of values.
     */
    typedef std::vector<JSValue, gc_allocator<JSValue> > JSValues;

    JSValue interpret(ICodeModule* iCode, const JSValues& args);

    void addGlobalProperty(String name, JSValue value);

}

#endif /* interpreter_h */