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// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_RUNTIME_H_
#define V8_RUNTIME_H_
#include "zone.h"
namespace v8 {
namespace internal {
// The interface to C++ runtime functions.
// ----------------------------------------------------------------------------
// RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both
// release and debug mode.
// This macro should only be used by the macro RUNTIME_FUNCTION_LIST.
// WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused
// MSVC Intellisense to crash. It was broken into two macros to work around
// this problem. Please avoid large recursive macros whenever possible.
#define RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
/* Property access */ \
F(GetProperty, 2, 1) \
F(KeyedGetProperty, 2, 1) \
F(DeleteProperty, 3, 1) \
F(HasLocalProperty, 2, 1) \
F(HasProperty, 2, 1) \
F(HasElement, 2, 1) \
F(IsPropertyEnumerable, 2, 1) \
F(GetPropertyNames, 1, 1) \
F(GetPropertyNamesFast, 1, 1) \
F(GetLocalPropertyNames, 1, 1) \
F(GetLocalElementNames, 1, 1) \
F(GetInterceptorInfo, 1, 1) \
F(GetNamedInterceptorPropertyNames, 1, 1) \
F(GetIndexedInterceptorElementNames, 1, 1) \
F(GetArgumentsProperty, 1, 1) \
F(ToFastProperties, 1, 1) \
F(ToSlowProperties, 1, 1) \
F(FinishArrayPrototypeSetup, 1, 1) \
F(SpecialArrayFunctions, 1, 1) \
F(GetGlobalReceiver, 0, 1) \
\
F(IsInPrototypeChain, 2, 1) \
F(SetHiddenPrototype, 2, 1) \
\
F(IsConstructCall, 0, 1) \
\
F(GetOwnProperty, 2, 1) \
\
F(IsExtensible, 1, 1) \
F(PreventExtensions, 1, 1)\
\
/* Utilities */ \
F(GetFunctionDelegate, 1, 1) \
F(GetConstructorDelegate, 1, 1) \
F(NewArgumentsFast, 3, 1) \
F(LazyCompile, 1, 1) \
F(LazyRecompile, 1, 1) \
F(NotifyDeoptimized, 1, 1) \
F(NotifyOSR, 0, 1) \
F(DeoptimizeFunction, 1, 1) \
F(OptimizeFunctionOnNextCall, 1, 1) \
F(CompileForOnStackReplacement, 1, 1) \
F(SetNewFunctionAttributes, 1, 1) \
F(AllocateInNewSpace, 1, 1) \
\
/* Array join support */ \
F(PushIfAbsent, 2, 1) \
F(ArrayConcat, 1, 1) \
\
/* Conversions */ \
F(ToBool, 1, 1) \
F(Typeof, 1, 1) \
\
F(StringToNumber, 1, 1) \
F(StringFromCharCodeArray, 1, 1) \
F(StringParseInt, 2, 1) \
F(StringParseFloat, 1, 1) \
F(StringToLowerCase, 1, 1) \
F(StringToUpperCase, 1, 1) \
F(StringSplit, 3, 1) \
F(CharFromCode, 1, 1) \
F(URIEscape, 1, 1) \
F(URIUnescape, 1, 1) \
F(QuoteJSONString, 1, 1) \
F(QuoteJSONStringComma, 1, 1) \
\
F(NumberToString, 1, 1) \
F(NumberToStringSkipCache, 1, 1) \
F(NumberToInteger, 1, 1) \
F(NumberToIntegerMapMinusZero, 1, 1) \
F(NumberToJSUint32, 1, 1) \
F(NumberToJSInt32, 1, 1) \
F(NumberToSmi, 1, 1) \
F(AllocateHeapNumber, 0, 1) \
\
/* Arithmetic operations */ \
F(NumberAdd, 2, 1) \
F(NumberSub, 2, 1) \
F(NumberMul, 2, 1) \
F(NumberDiv, 2, 1) \
F(NumberMod, 2, 1) \
F(NumberUnaryMinus, 1, 1) \
F(NumberAlloc, 0, 1) \
\
F(StringAdd, 2, 1) \
F(StringBuilderConcat, 3, 1) \
F(StringBuilderJoin, 3, 1) \
\
/* Bit operations */ \
F(NumberOr, 2, 1) \
F(NumberAnd, 2, 1) \
F(NumberXor, 2, 1) \
F(NumberNot, 1, 1) \
\
F(NumberShl, 2, 1) \
F(NumberShr, 2, 1) \
F(NumberSar, 2, 1) \
\
/* Comparisons */ \
F(NumberEquals, 2, 1) \
F(StringEquals, 2, 1) \
\
F(NumberCompare, 3, 1) \
F(SmiLexicographicCompare, 2, 1) \
F(StringCompare, 2, 1) \
\
/* Math */ \
F(Math_acos, 1, 1) \
F(Math_asin, 1, 1) \
F(Math_atan, 1, 1) \
F(Math_atan2, 2, 1) \
F(Math_ceil, 1, 1) \
F(Math_cos, 1, 1) \
F(Math_exp, 1, 1) \
F(Math_floor, 1, 1) \
F(Math_log, 1, 1) \
F(Math_pow, 2, 1) \
F(Math_pow_cfunction, 2, 1) \
F(RoundNumber, 1, 1) \
F(Math_sin, 1, 1) \
F(Math_sqrt, 1, 1) \
F(Math_tan, 1, 1) \
\
/* Regular expressions */ \
F(RegExpCompile, 3, 1) \
F(RegExpExec, 4, 1) \
F(RegExpExecMultiple, 4, 1) \
F(RegExpInitializeObject, 5, 1) \
F(RegExpConstructResult, 3, 1) \
\
/* JSON */ \
F(ParseJson, 1, 1) \
\
/* Strings */ \
F(StringCharCodeAt, 2, 1) \
F(StringIndexOf, 3, 1) \
F(StringLastIndexOf, 3, 1) \
F(StringLocaleCompare, 2, 1) \
F(SubString, 3, 1) \
F(StringReplaceRegExpWithString, 4, 1) \
F(StringMatch, 3, 1) \
F(StringTrim, 3, 1) \
F(StringToArray, 2, 1) \
F(NewStringWrapper, 1, 1) \
\
/* Numbers */ \
F(NumberToRadixString, 2, 1) \
F(NumberToFixed, 2, 1) \
F(NumberToExponential, 2, 1) \
F(NumberToPrecision, 2, 1)
#define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
/* Reflection */ \
F(FunctionSetInstanceClassName, 2, 1) \
F(FunctionSetLength, 2, 1) \
F(FunctionSetPrototype, 2, 1) \
F(FunctionGetName, 1, 1) \
F(FunctionSetName, 2, 1) \
F(FunctionRemovePrototype, 1, 1) \
F(FunctionGetSourceCode, 1, 1) \
F(FunctionGetScript, 1, 1) \
F(FunctionGetScriptSourcePosition, 1, 1) \
F(FunctionGetPositionForOffset, 2, 1) \
F(FunctionIsAPIFunction, 1, 1) \
F(FunctionIsBuiltin, 1, 1) \
F(GetScript, 1, 1) \
F(CollectStackTrace, 2, 1) \
F(GetV8Version, 0, 1) \
\
F(ClassOf, 1, 1) \
F(SetCode, 2, 1) \
F(SetExpectedNumberOfProperties, 2, 1) \
\
F(CreateApiFunction, 1, 1) \
F(IsTemplate, 1, 1) \
F(GetTemplateField, 2, 1) \
F(DisableAccessChecks, 1, 1) \
F(EnableAccessChecks, 1, 1) \
\
/* Dates */ \
F(DateCurrentTime, 0, 1) \
F(DateParseString, 2, 1) \
F(DateLocalTimezone, 1, 1) \
F(DateLocalTimeOffset, 0, 1) \
F(DateDaylightSavingsOffset, 1, 1) \
F(DateMakeDay, 3, 1) \
F(DateYMDFromTime, 2, 1) \
\
/* Numbers */ \
\
/* Globals */ \
F(CompileString, 1, 1) \
F(GlobalPrint, 1, 1) \
\
/* Eval */ \
F(GlobalReceiver, 1, 1) \
F(ResolvePossiblyDirectEval, 4, 2) \
F(ResolvePossiblyDirectEvalNoLookup, 4, 2) \
\
F(SetProperty, -1 /* 4 or 5 */, 1) \
F(DefineOrRedefineDataProperty, 4, 1) \
F(DefineOrRedefineAccessorProperty, 5, 1) \
F(IgnoreAttributesAndSetProperty, -1 /* 3 or 4 */, 1) \
\
/* Arrays */ \
F(RemoveArrayHoles, 2, 1) \
F(GetArrayKeys, 2, 1) \
F(MoveArrayContents, 2, 1) \
F(EstimateNumberOfElements, 1, 1) \
F(SwapElements, 3, 1) \
\
/* Getters and Setters */ \
F(DefineAccessor, -1 /* 4 or 5 */, 1) \
F(LookupAccessor, 3, 1) \
\
/* Literals */ \
F(MaterializeRegExpLiteral, 4, 1)\
F(CreateArrayLiteralBoilerplate, 3, 1) \
F(CloneLiteralBoilerplate, 1, 1) \
F(CloneShallowLiteralBoilerplate, 1, 1) \
F(CreateObjectLiteral, 4, 1) \
F(CreateObjectLiteralShallow, 4, 1) \
F(CreateArrayLiteral, 3, 1) \
F(CreateArrayLiteralShallow, 3, 1) \
\
/* Catch context extension objects */ \
F(CreateCatchExtensionObject, 2, 1) \
\
/* Statements */ \
F(NewClosure, 3, 1) \
F(NewObject, 1, 1) \
F(NewObjectFromBound, 2, 1) \
F(FinalizeInstanceSize, 1, 1) \
F(Throw, 1, 1) \
F(ReThrow, 1, 1) \
F(ThrowReferenceError, 1, 1) \
F(StackGuard, 0, 1) \
F(PromoteScheduledException, 0, 1) \
\
/* Contexts */ \
F(NewContext, 1, 1) \
F(PushContext, 1, 1) \
F(PushCatchContext, 1, 1) \
F(DeleteContextSlot, 2, 1) \
F(LoadContextSlot, 2, 2) \
F(LoadContextSlotNoReferenceError, 2, 2) \
F(StoreContextSlot, 4, 1) \
\
/* Declarations and initialization */ \
F(DeclareGlobals, 4, 1) \
F(DeclareContextSlot, 4, 1) \
F(InitializeVarGlobal, -1 /* 2 or 3 */, 1) \
F(InitializeConstGlobal, 2, 1) \
F(InitializeConstContextSlot, 3, 1) \
F(OptimizeObjectForAddingMultipleProperties, 2, 1) \
\
/* Debugging */ \
F(DebugPrint, 1, 1) \
F(DebugTrace, 0, 1) \
F(TraceEnter, 0, 1) \
F(TraceExit, 1, 1) \
F(Abort, 2, 1) \
/* Logging */ \
F(Log, 2, 1) \
/* ES5 */ \
F(LocalKeys, 1, 1) \
/* Cache suport */ \
F(GetFromCache, 2, 1) \
\
/* Message objects */ \
F(NewMessageObject, 2, 1) \
F(MessageGetType, 1, 1) \
F(MessageGetArguments, 1, 1) \
F(MessageGetStartPosition, 1, 1) \
F(MessageGetScript, 1, 1) \
\
/* Pseudo functions - handled as macros by parser */ \
F(IS_VAR, 1, 1)
#ifdef ENABLE_DEBUGGER_SUPPORT
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
/* Debugger support*/ \
F(DebugBreak, 0, 1) \
F(SetDebugEventListener, 2, 1) \
F(Break, 0, 1) \
F(DebugGetPropertyDetails, 2, 1) \
F(DebugGetProperty, 2, 1) \
F(DebugPropertyTypeFromDetails, 1, 1) \
F(DebugPropertyAttributesFromDetails, 1, 1) \
F(DebugPropertyIndexFromDetails, 1, 1) \
F(DebugNamedInterceptorPropertyValue, 2, 1) \
F(DebugIndexedInterceptorElementValue, 2, 1) \
F(CheckExecutionState, 1, 1) \
F(GetFrameCount, 1, 1) \
F(GetFrameDetails, 2, 1) \
F(GetScopeCount, 2, 1) \
F(GetScopeDetails, 3, 1) \
F(DebugPrintScopes, 0, 1) \
F(GetThreadCount, 1, 1) \
F(GetThreadDetails, 2, 1) \
F(SetDisableBreak, 1, 1) \
F(GetBreakLocations, 1, 1) \
F(SetFunctionBreakPoint, 3, 1) \
F(SetScriptBreakPoint, 3, 1) \
F(ClearBreakPoint, 1, 1) \
F(ChangeBreakOnException, 2, 1) \
F(IsBreakOnException, 1, 1) \
F(PrepareStep, 3, 1) \
F(ClearStepping, 0, 1) \
F(DebugEvaluate, 5, 1) \
F(DebugEvaluateGlobal, 4, 1) \
F(DebugGetLoadedScripts, 0, 1) \
F(DebugReferencedBy, 3, 1) \
F(DebugConstructedBy, 2, 1) \
F(DebugGetPrototype, 1, 1) \
F(SystemBreak, 0, 1) \
F(DebugDisassembleFunction, 1, 1) \
F(DebugDisassembleConstructor, 1, 1) \
F(FunctionGetInferredName, 1, 1) \
F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
F(LiveEditGatherCompileInfo, 2, 1) \
F(LiveEditReplaceScript, 3, 1) \
F(LiveEditReplaceFunctionCode, 2, 1) \
F(LiveEditFunctionSourceUpdated, 1, 1) \
F(LiveEditFunctionSetScript, 2, 1) \
F(LiveEditReplaceRefToNestedFunction, 3, 1) \
F(LiveEditPatchFunctionPositions, 2, 1) \
F(LiveEditCheckAndDropActivations, 2, 1) \
F(LiveEditCompareStrings, 2, 1) \
F(GetFunctionCodePositionFromSource, 2, 1) \
F(ExecuteInDebugContext, 2, 1) \
\
F(SetFlags, 1, 1) \
F(CollectGarbage, 1, 1) \
F(GetHeapUsage, 0, 1) \
\
/* LiveObjectList support*/ \
F(HasLOLEnabled, 0, 1) \
F(CaptureLOL, 0, 1) \
F(DeleteLOL, 1, 1) \
F(DumpLOL, 5, 1) \
F(GetLOLObj, 1, 1) \
F(GetLOLObjId, 1, 1) \
F(GetLOLObjRetainers, 6, 1) \
F(GetLOLPath, 3, 1) \
F(InfoLOL, 2, 1) \
F(PrintLOLObj, 1, 1) \
F(ResetLOL, 0, 1) \
F(SummarizeLOL, 3, 1)
#else
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
#endif
#ifdef ENABLE_LOGGING_AND_PROFILING
#define RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F) \
F(ProfilerResume, 2, 1) \
F(ProfilerPause, 2, 1)
#else
#define RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F)
#endif
#ifdef DEBUG
#define RUNTIME_FUNCTION_LIST_DEBUG(F) \
/* Testing */ \
F(ListNatives, 0, 1)
#else
#define RUNTIME_FUNCTION_LIST_DEBUG(F)
#endif
// ----------------------------------------------------------------------------
// RUNTIME_FUNCTION_LIST defines all runtime functions accessed
// either directly by id (via the code generator), or indirectly
// via a native call by name (from within JS code).
#define RUNTIME_FUNCTION_LIST(F) \
RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
RUNTIME_FUNCTION_LIST_DEBUG(F) \
RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F)
// ----------------------------------------------------------------------------
// INLINE_FUNCTION_LIST defines all inlined functions accessed
// with a native call of the form %_name from within JS code.
// Entries have the form F(name, number of arguments, number of return values).
#define INLINE_FUNCTION_LIST(F) \
F(IsSmi, 1, 1) \
F(IsNonNegativeSmi, 1, 1) \
F(IsArray, 1, 1) \
F(IsRegExp, 1, 1) \
F(CallFunction, -1 /* receiver + n args + function */, 1) \
F(ArgumentsLength, 0, 1) \
F(Arguments, 1, 1) \
F(ValueOf, 1, 1) \
F(SetValueOf, 2, 1) \
F(StringCharFromCode, 1, 1) \
F(StringCharAt, 2, 1) \
F(ObjectEquals, 2, 1) \
F(RandomHeapNumber, 0, 1) \
F(IsObject, 1, 1) \
F(IsFunction, 1, 1) \
F(IsUndetectableObject, 1, 1) \
F(IsSpecObject, 1, 1) \
F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \
F(MathPow, 2, 1) \
F(MathSin, 1, 1) \
F(MathCos, 1, 1) \
F(MathSqrt, 1, 1) \
F(MathLog, 1, 1) \
F(IsRegExpEquivalent, 2, 1) \
F(HasCachedArrayIndex, 1, 1) \
F(GetCachedArrayIndex, 1, 1) \
F(FastAsciiArrayJoin, 2, 1)
// ----------------------------------------------------------------------------
// INLINE_AND_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
// with a native call of the form %_name from within JS code that also have
// a corresponding runtime function, that is called for slow cases.
// Entries have the form F(name, number of arguments, number of return values).
#define INLINE_RUNTIME_FUNCTION_LIST(F) \
F(IsConstructCall, 0, 1) \
F(ClassOf, 1, 1) \
F(StringCharCodeAt, 2, 1) \
F(Log, 3, 1) \
F(StringAdd, 2, 1) \
F(SubString, 3, 1) \
F(StringCompare, 2, 1) \
F(RegExpExec, 4, 1) \
F(RegExpConstructResult, 3, 1) \
F(GetFromCache, 2, 1) \
F(NumberToString, 1, 1) \
F(SwapElements, 3, 1)
//---------------------------------------------------------------------------
// Runtime provides access to all C++ runtime functions.
class RuntimeState {
public:
StaticResource<StringInputBuffer>* string_input_buffer() {
return &string_input_buffer_;
}
unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
return &to_upper_mapping_;
}
unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
return &to_lower_mapping_;
}
StringInputBuffer* string_input_buffer_compare_bufx() {
return &string_input_buffer_compare_bufx_;
}
StringInputBuffer* string_input_buffer_compare_bufy() {
return &string_input_buffer_compare_bufy_;
}
StringInputBuffer* string_locale_compare_buf1() {
return &string_locale_compare_buf1_;
}
StringInputBuffer* string_locale_compare_buf2() {
return &string_locale_compare_buf2_;
}
int* smi_lexicographic_compare_x_elms() {
return smi_lexicographic_compare_x_elms_;
}
int* smi_lexicographic_compare_y_elms() {
return smi_lexicographic_compare_y_elms_;
}
private:
RuntimeState() {}
// Non-reentrant string buffer for efficient general use in the runtime.
StaticResource<StringInputBuffer> string_input_buffer_;
unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
StringInputBuffer string_input_buffer_compare_bufx_;
StringInputBuffer string_input_buffer_compare_bufy_;
StringInputBuffer string_locale_compare_buf1_;
StringInputBuffer string_locale_compare_buf2_;
int smi_lexicographic_compare_x_elms_[10];
int smi_lexicographic_compare_y_elms_[10];
friend class Isolate;
friend class Runtime;
DISALLOW_COPY_AND_ASSIGN(RuntimeState);
};
class Runtime : public AllStatic {
public:
enum FunctionId {
#define F(name, nargs, ressize) k##name,
RUNTIME_FUNCTION_LIST(F)
#undef F
#define F(name, nargs, ressize) kInline##name,
INLINE_FUNCTION_LIST(F)
INLINE_RUNTIME_FUNCTION_LIST(F)
#undef F
kNumFunctions,
kFirstInlineFunction = kInlineIsSmi
};
enum IntrinsicType {
RUNTIME,
INLINE
};
// Intrinsic function descriptor.
struct Function {
FunctionId function_id;
IntrinsicType intrinsic_type;
// The JS name of the function.
const char* name;
// The C++ (native) entry point. NULL if the function is inlined.
byte* entry;
// The number of arguments expected. nargs is -1 if the function takes
// a variable number of arguments.
int nargs;
// Size of result. Most functions return a single pointer, size 1.
int result_size;
};
static const int kNotFound = -1;
// Add symbols for all the intrinsic function names to a StringDictionary.
// Returns failure if an allocation fails. In this case, it must be
// retried with a new, empty StringDictionary, not with the same one.
// Alternatively, heap initialization can be completely restarted.
MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames(
Heap* heap, Object* dictionary);
// Get the intrinsic function with the given name, which must be a symbol.
static const Function* FunctionForSymbol(Handle<String> name);
// Get the intrinsic function with the given FunctionId.
static const Function* FunctionForId(FunctionId id);
// General-purpose helper functions for runtime system.
static int StringMatch(Isolate* isolate,
Handle<String> sub,
Handle<String> pat,
int index);
static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch);
// TODO(1240886): The following three methods are *not* handle safe,
// but accept handle arguments. This seems fragile.
// Support getting the characters in a string using [] notation as
// in Firefox/SpiderMonkey, Safari and Opera.
MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Isolate* isolate,
Handle<Object> object,
uint32_t index);
MUST_USE_RESULT static MaybeObject* GetElement(Handle<Object> object,
uint32_t index);
MUST_USE_RESULT static MaybeObject* SetObjectProperty(
Isolate* isolate,
Handle<Object> object,
Handle<Object> key,
Handle<Object> value,
PropertyAttributes attr,
StrictModeFlag strict_mode);
MUST_USE_RESULT static MaybeObject* ForceSetObjectProperty(
Isolate* isolate,
Handle<JSObject> object,
Handle<Object> key,
Handle<Object> value,
PropertyAttributes attr);
MUST_USE_RESULT static MaybeObject* ForceDeleteObjectProperty(
Isolate* isolate,
Handle<JSObject> object,
Handle<Object> key);
MUST_USE_RESULT static MaybeObject* GetObjectProperty(
Isolate* isolate,
Handle<Object> object,
Handle<Object> key);
// This function is used in FunctionNameUsing* tests.
static Object* FindSharedFunctionInfoInScript(Isolate* isolate,
Handle<Script> script,
int position);
// Helper functions used stubs.
static void PerformGC(Object* result);
};
} } // namespace v8::internal
#endif // V8_RUNTIME_H_