| // Copyright 2011 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 "allocation.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(GetDefaultReceiver, 1, 1) \ |
| \ |
| F(GetPrototype, 1, 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(NewStrictArgumentsFast, 3, 1) \ |
| F(LazyCompile, 1, 1) \ |
| F(LazyRecompile, 1, 1) \ |
| F(NotifyDeoptimized, 1, 1) \ |
| F(NotifyOSR, 0, 1) \ |
| F(DeoptimizeFunction, 1, 1) \ |
| F(RunningInSimulator, 0, 1) \ |
| F(OptimizeFunctionOnNextCall, 1, 1) \ |
| F(GetOptimizationStatus, 1, 1) \ |
| F(GetOptimizationCount, 1, 1) \ |
| F(CompileForOnStackReplacement, 1, 1) \ |
| F(SetNewFunctionAttributes, 1, 1) \ |
| F(AllocateInNewSpace, 1, 1) \ |
| F(SetNativeFlag, 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(QuoteJSONStringArray, 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) \ |
| F(SparseJoinWithSeparator, 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(BoundFunctionSetLength, 2, 1) \ |
| F(FunctionSetPrototype, 2, 1) \ |
| F(FunctionSetReadOnlyPrototype, 1, 1) \ |
| F(FunctionGetName, 1, 1) \ |
| F(FunctionSetName, 2, 1) \ |
| F(FunctionNameShouldPrintAsAnonymous, 1, 1) \ |
| F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \ |
| F(FunctionSetBound, 1, 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) \ |
| \ |
| /* Harmony proxies */ \ |
| F(CreateJSProxy, 2, 1) \ |
| F(IsJSProxy, 1, 1) \ |
| F(GetHandler, 1, 1) \ |
| F(Fix, 1, 1) \ |
| \ |
| /* Harmony weakmaps */ \ |
| F(WeakMapInitialize, 1, 1) \ |
| F(WeakMapGet, 2, 1) \ |
| F(WeakMapSet, 3, 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(NewFunctionContext, 1, 1) \ |
| F(PushWithContext, 2, 1) \ |
| F(PushCatchContext, 3, 1) \ |
| F(PushBlockContext, 2, 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) \ |
| \ |
| /* expose boolean functions from objects-inl.h */ \ |
| F(HasFastElements, 1, 1) \ |
| F(HasFastDoubleElements, 1, 1) \ |
| F(HasDictionaryElements, 1, 1) \ |
| F(HasExternalPixelElements, 1, 1) \ |
| F(HasExternalArrayElements, 1, 1) \ |
| F(HasExternalByteElements, 1, 1) \ |
| F(HasExternalUnsignedByteElements, 1, 1) \ |
| F(HasExternalShortElements, 1, 1) \ |
| F(HasExternalUnsignedShortElements, 1, 1) \ |
| F(HasExternalIntElements, 1, 1) \ |
| F(HasExternalUnsignedIntElements, 1, 1) \ |
| F(HasExternalFloatElements, 1, 1) \ |
| F(HasExternalDoubleElements, 1, 1) \ |
| /* profiler */ \ |
| F(ProfilerResume, 0, 1) \ |
| F(ProfilerPause, 0, 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, 4, 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, 6, 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 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) |
| |
| // ---------------------------------------------------------------------------- |
| // 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_; |
| } |
| |
| 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_; |
| |
| 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<JSReceiver> 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_ |
