jsglobalobject.cpp

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    d()->booleanPrototype = new (exec) BooleanPrototype(exec, BooleanPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->booleanObjectStructure = BooleanObject::createStructure(d()->booleanPrototype);

    d()->numberPrototype = new (exec) NumberPrototype(exec, NumberPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->numberObjectStructure = NumberObject::createStructure(d()->numberPrototype);

    d()->datePrototype = new (exec) DatePrototype(exec, DatePrototype::createStructure(d()->objectPrototype));
    d()->dateStructure = DateInstance::createStructure(d()->datePrototype);

    d()->regExpPrototype = new (exec) RegExpPrototype(exec, RegExpPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->regExpStructure = RegExpObject::createStructure(d()->regExpPrototype);

    ErrorPrototype* errorPrototype = new (exec) ErrorPrototype(exec, ErrorPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->errorStructure = ErrorInstance::createStructure(errorPrototype);

    RefPtr<Structure> nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(errorPrototype);

    NativeErrorPrototype* evalErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "EvalError", "EvalError");
    NativeErrorPrototype* rangeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "RangeError", "RangeError");
    NativeErrorPrototype* referenceErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "ReferenceError", "ReferenceError");
    NativeErrorPrototype* syntaxErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "SyntaxError", "SyntaxError");
    NativeErrorPrototype* typeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "TypeError", "TypeError");
    NativeErrorPrototype* URIErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "URIError", "URIError");

    // Constructors

    JSValuePtr objectConstructor = new (exec) ObjectConstructor(exec, ObjectConstructor::createStructure(d()->functionPrototype), d()->objectPrototype);
    JSValuePtr functionConstructor = new (exec) FunctionConstructor(exec, FunctionConstructor::createStructure(d()->functionPrototype), d()->functionPrototype);
    JSValuePtr arrayConstructor = new (exec) ArrayConstructor(exec, ArrayConstructor::createStructure(d()->functionPrototype), d()->arrayPrototype);
    JSValuePtr stringConstructor = new (exec) StringConstructor(exec, StringConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->stringPrototype);
    JSValuePtr booleanConstructor = new (exec) BooleanConstructor(exec, BooleanConstructor::createStructure(d()->functionPrototype), d()->booleanPrototype);
    JSValuePtr numberConstructor = new (exec) NumberConstructor(exec, NumberConstructor::createStructure(d()->functionPrototype), d()->numberPrototype);
    JSValuePtr dateConstructor = new (exec) DateConstructor(exec, DateConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->datePrototype);

    d()->regExpConstructor = new (exec) RegExpConstructor(exec, RegExpConstructor::createStructure(d()->functionPrototype), d()->regExpPrototype);

    d()->errorConstructor = new (exec) ErrorConstructor(exec, ErrorConstructor::createStructure(d()->functionPrototype), errorPrototype);

    RefPtr<Structure> nativeErrorStructure = NativeErrorConstructor::createStructure(d()->functionPrototype);

    d()->evalErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, evalErrorPrototype);
    d()->rangeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, rangeErrorPrototype);
    d()->referenceErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, referenceErrorPrototype);
    d()->syntaxErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, syntaxErrorPrototype);
    d()->typeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, typeErrorPrototype);
    d()->URIErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, URIErrorPrototype);

    d()->objectPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, objectConstructor, DontEnum);
    d()->functionPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, functionConstructor, DontEnum);
    d()->arrayPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, arrayConstructor, DontEnum);
    d()->booleanPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, booleanConstructor, DontEnum);
    d()->stringPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, stringConstructor, DontEnum);
    d()->numberPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, numberConstructor, DontEnum);
    d()->datePrototype->putDirectWithoutTransition(exec->propertyNames().constructor, dateConstructor, DontEnum);
    d()->regExpPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, d()->regExpConstructor, DontEnum);
    errorPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, d()->errorConstructor, DontEnum);

    evalErrorPrototype->putDirect(exec->propertyNames().constructor, d()->evalErrorConstructor, DontEnum);
    rangeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->rangeErrorConstructor, DontEnum);
    referenceErrorPrototype->putDirect(exec->propertyNames().constructor, d()->referenceErrorConstructor, DontEnum);
    syntaxErrorPrototype->putDirect(exec->propertyNames().constructor, d()->syntaxErrorConstructor, DontEnum);
    typeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->typeErrorConstructor, DontEnum);
    URIErrorPrototype->putDirect(exec->propertyNames().constructor, d()->URIErrorConstructor, DontEnum);

    // Set global constructors

    // FIXME: These properties could be handled by a static hash table.

    putDirectWithoutTransition(Identifier(exec, "Object"), objectConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Function"), functionConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Array"), arrayConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Boolean"), booleanConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "String"), stringConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Number"), numberConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Date"), dateConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "RegExp"), d()->regExpConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "Error"), d()->errorConstructor, DontEnum);
    putDirectWithoutTransition(Identifier(exec, "EvalError"), d()->evalErrorConstructor);
    putDirectWithoutTransition(Identifier(exec, "RangeError"), d()->rangeErrorConstructor);
    putDirectWithoutTransition(Identifier(exec, "ReferenceError"), d()->referenceErrorConstructor);
    putDirectWithoutTransition(Identifier(exec, "SyntaxError"), d()->syntaxErrorConstructor);
    putDirectWithoutTransition(Identifier(exec, "TypeError"), d()->typeErrorConstructor);
    putDirectWithoutTransition(Identifier(exec, "URIError"), d()->URIErrorConstructor);

    // Set global values.
    GlobalPropertyInfo staticGlobals[] = {
        GlobalPropertyInfo(Identifier(exec, "Math"), new (exec) MathObject(exec, MathObject::createStructure(d()->objectPrototype)), DontEnum | DontDelete),
        GlobalPropertyInfo(Identifier(exec, "NaN"), jsNaN(exec), DontEnum | DontDelete),
        GlobalPropertyInfo(Identifier(exec, "Infinity"), jsNumber(exec, Inf), DontEnum | DontDelete),
        GlobalPropertyInfo(Identifier(exec, "undefined"), jsUndefined(), DontEnum | DontDelete)
    };

    addStaticGlobals(staticGlobals, sizeof(staticGlobals) / sizeof(GlobalPropertyInfo));

    // Set global functions.

    d()->evalFunction = new (exec) GlobalEvalFunction(exec, GlobalEvalFunction::createStructure(d()->functionPrototype), 1, exec->propertyNames().eval, globalFuncEval, this);
    putDirectFunctionWithoutTransition(exec, d()->evalFunction, DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 2, Identifier(exec, "parseInt"), globalFuncParseInt), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "parseFloat"), globalFuncParseFloat), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "isNaN"), globalFuncIsNaN), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "isFinite"), globalFuncIsFinite), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "escape"), globalFuncEscape), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "unescape"), globalFuncUnescape), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "decodeURI"), globalFuncDecodeURI), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "decodeURIComponent"), globalFuncDecodeURIComponent), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "encodeURI"), globalFuncEncodeURI), DontEnum);
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "encodeURIComponent"), globalFuncEncodeURIComponent), DontEnum);
#ifndef NDEBUG
    putDirectFunctionWithoutTransition(exec, new (exec) PrototypeFunction(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "jscprint"), globalFuncJSCPrint), DontEnum);
#endif

    resetPrototype(prototype);
}

// Set prototype, and also insert the object prototype at the end of the chain.
void JSGlobalObject::resetPrototype(JSValuePtr prototype)
{
    setPrototype(prototype);
    lastInPrototypeChain(this)->setPrototype(d()->objectPrototype);
}

void JSGlobalObject::mark()
{
    JSVariableObject::mark();
    
    HashSet<ProgramCodeBlock*>::const_iterator end = codeBlocks().end();
    for (HashSet<ProgramCodeBlock*>::const_iterator it = codeBlocks().begin(); it != end; ++it)
        (*it)->mark();

    RegisterFile& registerFile = globalData()->interpreter->registerFile();
    if (registerFile.globalObject() == this)
        registerFile.markGlobals(&globalData()->heap);

    markIfNeeded(d()->regExpConstructor);
    markIfNeeded(d()->errorConstructor);
    markIfNeeded(d()->evalErrorConstructor);
    markIfNeeded(d()->rangeErrorConstructor);
    markIfNeeded(d()->referenceErrorConstructor);
    markIfNeeded(d()->syntaxErrorConstructor);
    markIfNeeded(d()->typeErrorConstructor);
    markIfNeeded(d()->URIErrorConstructor);

    markIfNeeded(d()->evalFunction);

    markIfNeeded(d()->objectPrototype);
    markIfNeeded(d()->functionPrototype);
    markIfNeeded(d()->arrayPrototype);
    markIfNeeded(d()->booleanPrototype);
    markIfNeeded(d()->stringPrototype);
    markIfNeeded(d()->numberPrototype);
    markIfNeeded(d()->datePrototype);
    markIfNeeded(d()->regExpPrototype);

    markIfNeeded(d()->errorStructure);

    // No need to mark the other structures, because their prototypes are all
    // guaranteed to be referenced elsewhere.

    Register* registerArray = d()->registerArray.get();
    if (!registerArray)
        return;

    size_t size = d()->registerArraySize;
    for (size_t i = 0; i < size; ++i) {
        Register& r = registerArray[i];
        if (!r.marked())
            r.mark();
    }
}

ExecState* JSGlobalObject::globalExec()
{
    return CallFrame::create(d()->globalCallFrame + RegisterFile::CallFrameHeaderSize);
}

bool JSGlobalObject::isDynamicScope() const
{
    return true;
}

void JSGlobalObject::copyGlobalsFrom(RegisterFile& registerFile)
{
    ASSERT(!d()->registerArray);
    ASSERT(!d()->registerArraySize);

    int numGlobals = registerFile.numGlobals();
    if (!numGlobals) {
        d()->registers = 0;
        return;
    }
    
    Register* registerArray = copyRegisterArray(registerFile.lastGlobal(), numGlobals);
    setRegisters(registerArray + numGlobals, registerArray, numGlobals);
}

void JSGlobalObject::copyGlobalsTo(RegisterFile& registerFile)
{
    JSGlobalObject* lastGlobalObject = registerFile.globalObject();
    if (lastGlobalObject && lastGlobalObject != this)
        lastGlobalObject->copyGlobalsFrom(registerFile);

    registerFile.setGlobalObject(this);
    registerFile.setNumGlobals(symbolTable().size());

    if (d()->registerArray) {
        memcpy(registerFile.start() - d()->registerArraySize, d()->registerArray.get(), d()->registerArraySize * sizeof(Register));
        setRegisters(registerFile.start(), 0, 0);
    }
}

void* JSGlobalObject::operator new(size_t size, JSGlobalData* globalData)
{
#ifdef JAVASCRIPTCORE_BUILDING_ALL_IN_ONE_FILE
    return globalData->heap.inlineAllocate(size);
#else
    return globalData->heap.allocate(size);
#endif
}

} // namespace JSC