X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/14957cd040308e3eeec43d26bae5d76da13fcd85..81345200c95645a1b0d2635520f96ad55dfde63f:/runtime/StringConstructor.cpp diff --git a/runtime/StringConstructor.cpp b/runtime/StringConstructor.cpp index ea6e128..f8221d7 100644 --- a/runtime/StringConstructor.cpp +++ b/runtime/StringConstructor.cpp @@ -25,6 +25,7 @@ #include "JITCode.h" #include "JSFunction.h" #include "JSGlobalObject.h" +#include "JSCInlines.h" #include "StringPrototype.h" namespace JSC { @@ -37,7 +38,7 @@ static EncodedJSValue JSC_HOST_CALL stringFromCharCode(ExecState*); namespace JSC { -const ClassInfo StringConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::stringConstructorTable }; +const ClassInfo StringConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::stringConstructorTable, CREATE_METHOD_TABLE(StringConstructor) }; /* Source for StringConstructor.lut.h @begin stringConstructorTable @@ -45,23 +46,23 @@ const ClassInfo StringConstructor::s_info = { "Function", &InternalFunction::s_i @end */ -ASSERT_CLASS_FITS_IN_CELL(StringConstructor); +STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(StringConstructor); -StringConstructor::StringConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, StringPrototype* stringPrototype) - : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, stringPrototype->classInfo()->className)) +StringConstructor::StringConstructor(VM& vm, Structure* structure) + : InternalFunction(vm, structure) { - putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, stringPrototype, ReadOnly | DontEnum | DontDelete); - putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), ReadOnly | DontEnum | DontDelete); } -bool StringConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot &slot) +void StringConstructor::finishCreation(VM& vm, StringPrototype* stringPrototype) { - return getStaticFunctionSlot(exec, ExecState::stringConstructorTable(exec), this, propertyName, slot); + Base::finishCreation(vm, stringPrototype->classInfo()->className); + putDirectWithoutTransition(vm, vm.propertyNames->prototype, stringPrototype, ReadOnly | DontEnum | DontDelete); + putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete); } -bool StringConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +bool StringConstructor::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot &slot) { - return getStaticFunctionDescriptor(exec, ExecState::stringConstructorTable(exec), this, propertyName, descriptor); + return getStaticFunctionSlot(exec, ExecState::stringConstructorTable(exec->vm()), jsCast(object), propertyName, slot); } // ------------------------------ Functions -------------------------------- @@ -72,26 +73,34 @@ static NEVER_INLINE JSValue stringFromCharCodeSlowCase(ExecState* exec) UChar* buf; PassRefPtr impl = StringImpl::createUninitialized(length, buf); for (unsigned i = 0; i < length; ++i) - buf[i] = static_cast(exec->argument(i).toUInt32(exec)); + buf[i] = static_cast(exec->uncheckedArgument(i).toUInt32(exec)); return jsString(exec, impl); } static EncodedJSValue JSC_HOST_CALL stringFromCharCode(ExecState* exec) { if (LIKELY(exec->argumentCount() == 1)) - return JSValue::encode(jsSingleCharacterString(exec, exec->argument(0).toUInt32(exec))); + return JSValue::encode(jsSingleCharacterString(exec, exec->uncheckedArgument(0).toUInt32(exec))); return JSValue::encode(stringFromCharCodeSlowCase(exec)); } +JSCell* JSC_HOST_CALL stringFromCharCode(ExecState* exec, int32_t arg) +{ + return jsSingleCharacterString(exec, arg); +} + static EncodedJSValue JSC_HOST_CALL constructWithStringConstructor(ExecState* exec) { JSGlobalObject* globalObject = asInternalFunction(exec->callee())->globalObject(); + VM& vm = exec->vm(); + if (!exec->argumentCount()) - return JSValue::encode(new (exec) StringObject(exec, globalObject->stringObjectStructure())); - return JSValue::encode(new (exec) StringObject(exec, globalObject->stringObjectStructure(), exec->argument(0).toString(exec))); + return JSValue::encode(StringObject::create(vm, globalObject->stringObjectStructure())); + + return JSValue::encode(StringObject::create(vm, globalObject->stringObjectStructure(), exec->uncheckedArgument(0).toString(exec))); } -ConstructType StringConstructor::getConstructData(ConstructData& constructData) +ConstructType StringConstructor::getConstructData(JSCell*, ConstructData& constructData) { constructData.native.function = constructWithStringConstructor; return ConstructTypeHost; @@ -101,10 +110,10 @@ static EncodedJSValue JSC_HOST_CALL callStringConstructor(ExecState* exec) { if (!exec->argumentCount()) return JSValue::encode(jsEmptyString(exec)); - return JSValue::encode(jsString(exec, exec->argument(0).toString(exec))); + return JSValue::encode(exec->uncheckedArgument(0).toString(exec)); } -CallType StringConstructor::getCallData(CallData& callData) +CallType StringConstructor::getCallData(JSCell*, CallData& callData) { callData.native.function = callStringConstructor; return CallTypeHost;