/*
* Copyright (C) 1999-2000,2003 Harri Porten (porten@kde.org)
- * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#include "config.h"
#include "NumberConstructor.h"
+#include "Lookup.h"
#include "NumberObject.h"
#include "NumberPrototype.h"
+#include "JSCInlines.h"
+#include "JSGlobalObjectFunctions.h"
namespace JSC {
-ASSERT_CLASS_FITS_IN_CELL(NumberConstructor);
-
-static JSValuePtr numberConstructorNaNValue(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr numberConstructorNegInfinity(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr numberConstructorPosInfinity(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr numberConstructorMaxValue(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr numberConstructorMinValue(ExecState*, const Identifier&, const PropertySlot&);
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsFinite(ExecState*);
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsInteger(ExecState*);
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsNaN(ExecState*);
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsSafeInteger(ExecState*);
} // namespace JSC
-#include "NumberConstructor.lut.h"
-
namespace JSC {
-const ClassInfo NumberConstructor::info = { "Function", &InternalFunction::info, 0, ExecState::numberTable };
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(NumberConstructor);
-/* Source for NumberConstructor.lut.h
-@begin numberTable
- NaN numberConstructorNaNValue DontEnum|DontDelete|ReadOnly
- NEGATIVE_INFINITY numberConstructorNegInfinity DontEnum|DontDelete|ReadOnly
- POSITIVE_INFINITY numberConstructorPosInfinity DontEnum|DontDelete|ReadOnly
- MAX_VALUE numberConstructorMaxValue DontEnum|DontDelete|ReadOnly
- MIN_VALUE numberConstructorMinValue DontEnum|DontDelete|ReadOnly
-@end
-*/
+const ClassInfo NumberConstructor::s_info = { "Function", &InternalFunction::s_info, 0, CREATE_METHOD_TABLE(NumberConstructor) };
-NumberConstructor::NumberConstructor(ExecState* exec, PassRefPtr<Structure> structure, NumberPrototype* numberPrototype)
- : InternalFunction(&exec->globalData(), structure, Identifier(exec, numberPrototype->info.className))
+NumberConstructor::NumberConstructor(VM& vm, Structure* structure)
+ : InternalFunction(vm, structure)
{
- // Number.Prototype
- putDirectWithoutTransition(exec->propertyNames().prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
-
- // no. of arguments for constructor
- putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete);
}
-bool NumberConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+void NumberConstructor::finishCreation(VM& vm, NumberPrototype* numberPrototype)
{
- return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, slot);
-}
+ Base::finishCreation(vm, NumberPrototype::info()->className);
+ ASSERT(inherits(info()));
-JSValuePtr numberConstructorNaNValue(ExecState* exec, const Identifier&, const PropertySlot&)
-{
- return jsNaN(exec);
+ // Number.Prototype
+ putDirectWithoutTransition(vm, vm.propertyNames->prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
+
+ // no. of arguments for constructor
+ putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
+
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "EPSILON"), jsDoubleNumber(std::numeric_limits<double>::epsilon()), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MAX_VALUE"), jsDoubleNumber(1.7976931348623157E+308), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MIN_VALUE"), jsDoubleNumber(5E-324), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MAX_SAFE_INTEGER"), jsDoubleNumber(9007199254740991.0), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MIN_SAFE_INTEGER"), jsDoubleNumber(-9007199254740991.0), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "NEGATIVE_INFINITY"), jsDoubleNumber(-std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "POSITIVE_INFINITY"), jsDoubleNumber(std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "NaN"), jsNaN(), DontDelete | DontEnum | ReadOnly);
+
+ putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier::fromString(&vm, "isFinite"), 1, numberConstructorFuncIsFinite, NoIntrinsic, DontEnum | Function);
+ putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier::fromString(&vm, "isInteger"), 1, numberConstructorFuncIsInteger, NoIntrinsic, DontEnum | Function);
+ putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier::fromString(&vm, "isNaN"), 1, numberConstructorFuncIsNaN, NoIntrinsic, DontEnum | Function);
+ putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier::fromString(&vm, "isSafeInteger"), 1, numberConstructorFuncIsSafeInteger, NoIntrinsic, DontEnum | Function);
+ putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier::fromString(&vm, "parseFloat"), 1, globalFuncParseFloat, NoIntrinsic, DontEnum | Function);
+ putDirectWithoutTransition(vm, Identifier::fromString(&vm, "parseInt"), numberPrototype->globalObject()->parseIntFunction(), DontEnum | Function);
}
-JSValuePtr numberConstructorNegInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
+// ECMA 15.7.1
+static EncodedJSValue JSC_HOST_CALL constructWithNumberConstructor(ExecState* exec)
{
- return jsNumber(exec, -Inf);
+ NumberObject* object = NumberObject::create(exec->vm(), asInternalFunction(exec->callee())->globalObject()->numberObjectStructure());
+ double n = exec->argumentCount() ? exec->uncheckedArgument(0).toNumber(exec) : 0;
+ object->setInternalValue(exec->vm(), jsNumber(n));
+ return JSValue::encode(object);
}
-JSValuePtr numberConstructorPosInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
+ConstructType NumberConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
- return jsNumber(exec, Inf);
+ constructData.native.function = constructWithNumberConstructor;
+ return ConstructTypeHost;
}
-JSValuePtr numberConstructorMaxValue(ExecState* exec, const Identifier&, const PropertySlot&)
+// ECMA 15.7.2
+static EncodedJSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec)
{
- return jsNumber(exec, 1.7976931348623157E+308);
+ return JSValue::encode(jsNumber(!exec->argumentCount() ? 0 : exec->uncheckedArgument(0).toNumber(exec)));
}
-JSValuePtr numberConstructorMinValue(ExecState* exec, const Identifier&, const PropertySlot&)
+CallType NumberConstructor::getCallData(JSCell*, CallData& callData)
{
- return jsNumber(exec, 5E-324);
+ callData.native.function = callNumberConstructor;
+ return CallTypeHost;
}
-// ECMA 15.7.1
-static JSObject* constructWithNumberConstructor(ExecState* exec, JSObject*, const ArgList& args)
+// ECMA-262 20.1.2.2
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsFinite(ExecState* exec)
{
- NumberObject* object = new (exec) NumberObject(exec->lexicalGlobalObject()->numberObjectStructure());
- double n = args.isEmpty() ? 0 : args.at(exec, 0).toNumber(exec);
- object->setInternalValue(jsNumber(exec, n));
- return object;
+ JSValue argument = exec->argument(0);
+ return JSValue::encode(jsBoolean(argument.isNumber() && (argument.isInt32() || std::isfinite(argument.asDouble()))));
}
-ConstructType NumberConstructor::getConstructData(ConstructData& constructData)
+// ECMA-262 20.1.2.3
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsInteger(ExecState* exec)
{
- constructData.native.function = constructWithNumberConstructor;
- return ConstructTypeHost;
+ JSValue argument = exec->argument(0);
+ bool isInteger;
+ if (argument.isInt32())
+ isInteger = true;
+ else if (!argument.isDouble())
+ isInteger = false;
+ else {
+ double number = argument.asDouble();
+ isInteger = std::isfinite(number) && trunc(number) == number;
+ }
+ return JSValue::encode(jsBoolean(isInteger));
}
-// ECMA 15.7.2
-static JSValuePtr callNumberConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args)
+// ECMA-262 20.1.2.4
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsNaN(ExecState* exec)
{
- return jsNumber(exec, args.isEmpty() ? 0 : args.at(exec, 0).toNumber(exec));
+ JSValue argument = exec->argument(0);
+ return JSValue::encode(jsBoolean(argument.isDouble() && std::isnan(argument.asDouble())));
}
-CallType NumberConstructor::getCallData(CallData& callData)
+// ECMA-262 20.1.2.5
+static EncodedJSValue JSC_HOST_CALL numberConstructorFuncIsSafeInteger(ExecState* exec)
{
- callData.native.function = callNumberConstructor;
- return CallTypeHost;
+ JSValue argument = exec->argument(0);
+ bool isInteger;
+ if (argument.isInt32())
+ isInteger = true;
+ else if (!argument.isDouble())
+ isInteger = false;
+ else {
+ double number = argument.asDouble();
+ isInteger = trunc(number) == number && std::abs(number) <= 9007199254740991.0;
+ }
+ return JSValue::encode(jsBoolean(isInteger));
}
} // namespace JSC
projects / apple / javascriptcore.git / blobdiff