X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/ba379fdc102753d6be2c4d937058fe40257329fe..14957cd040308e3eeec43d26bae5d76da13fcd85:/runtime/ArrayConstructor.cpp diff --git a/runtime/ArrayConstructor.cpp b/runtime/ArrayConstructor.cpp index e96bdfc..a4df411 100644 --- a/runtime/ArrayConstructor.cpp +++ b/runtime/ArrayConstructor.cpp @@ -1,6 +1,6 @@ /* * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) - * Copyright (C) 2003, 2007, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2003, 2007, 2008, 2011 Apple Inc. All rights reserved. * Copyright (C) 2003 Peter Kelly (pmk@post.com) * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com) * @@ -25,56 +25,85 @@ #include "ArrayConstructor.h" #include "ArrayPrototype.h" +#include "Error.h" +#include "ExceptionHelpers.h" #include "JSArray.h" #include "JSFunction.h" #include "Lookup.h" namespace JSC { +static EncodedJSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*); + +} + +#include "ArrayConstructor.lut.h" + +namespace JSC { + +const ClassInfo ArrayConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::arrayConstructorTable }; + +/* Source for ArrayConstructor.lut.h +@begin arrayConstructorTable + isArray arrayConstructorIsArray DontEnum|Function 1 +@end +*/ + ASSERT_CLASS_FITS_IN_CELL(ArrayConstructor); -ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr structure, ArrayPrototype* arrayPrototype) - : InternalFunction(&exec->globalData(), structure, Identifier(exec, arrayPrototype->classInfo()->className)) +ArrayConstructor::ArrayConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, ArrayPrototype* arrayPrototype) + : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, arrayPrototype->classInfo()->className)) +{ + putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, arrayPrototype, DontEnum | DontDelete | ReadOnly); + putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), ReadOnly | DontEnum | DontDelete); +} + +bool ArrayConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot) { - // ECMA 15.4.3.1 Array.prototype - putDirectWithoutTransition(exec->propertyNames().prototype, arrayPrototype, DontEnum | DontDelete | ReadOnly); + return getStaticFunctionSlot(exec, ExecState::arrayConstructorTable(exec), this, propertyName, slot); +} - // no. of arguments for constructor - putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete); +bool ArrayConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +{ + return getStaticFunctionDescriptor(exec, ExecState::arrayConstructorTable(exec), this, propertyName, descriptor); } -static JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args) +// ------------------------------ Functions --------------------------- + +static inline JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args) { + JSGlobalObject* globalObject = asInternalFunction(exec->callee())->globalObject(); + // a single numeric argument denotes the array size (!) if (args.size() == 1 && args.at(0).isNumber()) { uint32_t n = args.at(0).toUInt32(exec); if (n != args.at(0).toNumber(exec)) - return throwError(exec, RangeError, "Array size is not a small enough positive integer."); - return new (exec) JSArray(exec->lexicalGlobalObject()->arrayStructure(), n); + return throwError(exec, createRangeError(exec, "Array size is not a small enough positive integer.")); + return new (exec) JSArray(exec->globalData(), globalObject->arrayStructure(), n, CreateInitialized); } // otherwise the array is constructed with the arguments in it - return new (exec) JSArray(exec->lexicalGlobalObject()->arrayStructure(), args); + return new (exec) JSArray(exec->globalData(), globalObject->arrayStructure(), args); } -static JSObject* constructWithArrayConstructor(ExecState* exec, JSObject*, const ArgList& args) +static EncodedJSValue JSC_HOST_CALL constructWithArrayConstructor(ExecState* exec) { - return constructArrayWithSizeQuirk(exec, args); + ArgList args(exec); + return JSValue::encode(constructArrayWithSizeQuirk(exec, args)); } -// ECMA 15.4.2 ConstructType ArrayConstructor::getConstructData(ConstructData& constructData) { constructData.native.function = constructWithArrayConstructor; return ConstructTypeHost; } -static JSValue JSC_HOST_CALL callArrayConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args) +static EncodedJSValue JSC_HOST_CALL callArrayConstructor(ExecState* exec) { - return constructArrayWithSizeQuirk(exec, args); + ArgList args(exec); + return JSValue::encode(constructArrayWithSizeQuirk(exec, args)); } -// ECMA 15.6.1 CallType ArrayConstructor::getCallData(CallData& callData) { // equivalent to 'new Array(....)' @@ -82,4 +111,9 @@ CallType ArrayConstructor::getCallData(CallData& callData) return CallTypeHost; } +EncodedJSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState* exec) +{ + return JSValue::encode(jsBoolean(exec->argument(0).inherits(&JSArray::s_info))); +} + } // namespace JSC