// Copyright 2012 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, 2, 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(FinishArrayPrototypeSetup, 1, 1) \
F(SpecialArrayFunctions, 1, 1) \
F(IsCallable, 1, 1) \
F(IsClassicModeFunction, 1, 1) \
F(GetDefaultReceiver, 1, 1) \
\
F(GetPrototype, 1, 1) \
F(SetPrototype, 2, 1) \
F(IsInPrototypeChain, 2, 1) \
\
F(GetOwnProperty, 2, 1) \
\
F(IsExtensible, 1, 1) \
F(PreventExtensions, 1, 1)\
\
/* Utilities */ \
F(CheckIsBootstrapping, 0, 1) \
F(GetRootNaN, 0, 1) \
F(Call, -1 /* >= 2 */, 1) \
F(Apply, 5, 1) \
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(ConcurrentRecompile, 1, 1) \
F(TryInstallRecompiledCode, 1, 1) \
F(NotifyDeoptimized, 1, 1) \
F(NotifyStubFailure, 0, 1) \
F(DeoptimizeFunction, 1, 1) \
F(ClearFunctionTypeFeedback, 1, 1) \
F(RunningInSimulator, 0, 1) \
F(IsConcurrentRecompilationSupported, 0, 1) \
F(OptimizeFunctionOnNextCall, -1, 1) \
F(NeverOptimizeFunction, 1, 1) \
F(GetOptimizationStatus, -1, 1) \
F(GetOptimizationCount, 1, 1) \
F(UnblockConcurrentRecompilation, 0, 1) \
F(CompileForOnStackReplacement, 2, 1) \
F(SetAllocationTimeout, 2, 1) \
F(AllocateInNewSpace, 1, 1) \
F(AllocateInTargetSpace, 2, 1) \
F(SetNativeFlag, 1, 1) \
F(SetInlineBuiltinFlag, 1, 1) \
F(StoreArrayLiteralElement, 5, 1) \
F(DebugCallbackSupportsStepping, 1, 1) \
F(DebugPrepareStepInIfStepping, 1, 1) \
F(FlattenString, 1, 1) \
F(MigrateInstance, 1, 1) \
F(NotifyContextDisposed, 0, 1) \
F(MaxSmi, 0, 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(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(NumberToString, 1, 1) \
F(NumberToStringSkipCache, 1, 1) \
F(NumberToInteger, 1, 1) \
F(NumberToPositiveInteger, 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(NumberImul, 2, 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(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_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) \
F(BasicJSONStringify, 1, 1) \
F(QuoteJSONString, 1, 1) \
\
/* Strings */ \
F(StringCharCodeAt, 2, 1) \
F(StringIndexOf, 3, 1) \
F(StringLastIndexOf, 3, 1) \
F(StringLocaleCompare, 2, 1) \
F(SubString, 3, 1) \
F(StringReplaceGlobalRegExpWithString, 4, 1) \
F(StringReplaceOneCharWithString, 3, 1) \
F(StringMatch, 3, 1) \
F(StringTrim, 3, 1) \
F(StringToArray, 2, 1) \
F(NewStringWrapper, 1, 1) \
F(NewString, 2, 1) \
F(TruncateString, 2, 1) \
\
/* Numbers */ \
F(NumberToRadixString, 2, 1) \
F(NumberToFixed, 2, 1) \
F(NumberToExponential, 2, 1) \
F(NumberToPrecision, 2, 1) \
F(IsValidSmi, 1, 1)
#define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
/* Reflection */ \
F(FunctionSetInstanceClassName, 2, 1) \
F(FunctionSetLength, 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(FunctionIsGenerator, 1, 1) \
F(FunctionBindArguments, 4, 1) \
F(BoundFunctionGetBindings, 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, 3, 1) \
F(GetAndClearOverflowedStackTrace, 1, 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) \
F(SetAccessorProperty, 6, 1) \
\
/* Dates */ \
F(DateCurrentTime, 0, 1) \
F(DateParseString, 2, 1) \
F(DateLocalTimezone, 1, 1) \
F(DateToUTC, 1, 1) \
F(DateMakeDay, 2, 1) \
F(DateSetValue, 3, 1) \
\
/* Numbers */ \
\
/* Globals */ \
F(CompileString, 2, 1) \
F(GlobalPrint, 1, 1) \
\
/* Eval */ \
F(GlobalReceiver, 1, 1) \
F(IsAttachedGlobal, 1, 1) \
F(ResolvePossiblyDirectEval, 5, 2) \
\
F(SetProperty, -1 /* 4 or 5 */, 1) \
F(DefineOrRedefineDataProperty, 4, 1) \
F(DefineOrRedefineAccessorProperty, 5, 1) \
F(IgnoreAttributesAndSetProperty, -1 /* 3 or 4 */, 1) \
F(GetDataProperty, 2, 1) \
\
/* Arrays */ \
F(RemoveArrayHoles, 2, 1) \
F(GetArrayKeys, 2, 1) \
F(MoveArrayContents, 2, 1) \
F(EstimateNumberOfElements, 1, 1) \
F(ArrayConstructor, -1, 1) \
F(InternalArrayConstructor, -1, 1) \
\
/* Getters and Setters */ \
F(LookupAccessor, 3, 1) \
\
/* Literals */ \
F(MaterializeRegExpLiteral, 4, 1)\
F(CreateObjectLiteral, 4, 1) \
F(CreateArrayLiteral, 4, 1) \
F(CreateArrayLiteralStubBailout, 3, 1) \
\
/* Harmony generators */ \
F(CreateJSGeneratorObject, 0, 1) \
F(SuspendJSGeneratorObject, 1, 1) \
F(ResumeJSGeneratorObject, 3, 1) \
F(ThrowGeneratorStateError, 1, 1) \
\
/* ES5 */ \
F(ObjectFreeze, 1, 1) \
\
/* Harmony modules */ \
F(IsJSModule, 1, 1) \
\
/* Harmony symbols */ \
F(CreateSymbol, 1, 1) \
F(CreatePrivateSymbol, 1, 1) \
F(SymbolName, 1, 1) \
F(SymbolIsPrivate, 1, 1) \
\
/* Harmony proxies */ \
F(CreateJSProxy, 2, 1) \
F(CreateJSFunctionProxy, 4, 1) \
F(IsJSProxy, 1, 1) \
F(IsJSFunctionProxy, 1, 1) \
F(GetHandler, 1, 1) \
F(GetCallTrap, 1, 1) \
F(GetConstructTrap, 1, 1) \
F(Fix, 1, 1) \
\
/* Harmony sets */ \
F(SetInitialize, 1, 1) \
F(SetAdd, 2, 1) \
F(SetHas, 2, 1) \
F(SetDelete, 2, 1) \
F(SetGetSize, 1, 1) \
\
/* Harmony maps */ \
F(MapInitialize, 1, 1) \
F(MapGet, 2, 1) \
F(MapHas, 2, 1) \
F(MapDelete, 2, 1) \
F(MapSet, 3, 1) \
F(MapGetSize, 1, 1) \
\
/* Harmony weak maps and sets */ \
F(WeakCollectionInitialize, 1, 1) \
F(WeakCollectionGet, 2, 1) \
F(WeakCollectionHas, 2, 1) \
F(WeakCollectionDelete, 2, 1) \
F(WeakCollectionSet, 3, 1) \
\
/* Harmony events */ \
F(SetMicrotaskPending, 1, 1) \
\
/* Harmony observe */ \
F(IsObserved, 1, 1) \
F(SetIsObserved, 1, 1) \
F(GetObservationState, 0, 1) \
F(ObservationWeakMapCreate, 0, 1) \
F(UnwrapGlobalProxy, 1, 1) \
F(IsAccessAllowedForObserver, 3, 1) \
\
/* Harmony typed arrays */ \
F(ArrayBufferInitialize, 2, 1)\
F(ArrayBufferGetByteLength, 1, 1)\
F(ArrayBufferSliceImpl, 3, 1) \
F(ArrayBufferIsView, 1, 1) \
\
F(TypedArrayInitialize, 5, 1) \
F(TypedArrayInitializeFromArrayLike, 4, 1) \
F(TypedArrayGetBuffer, 1, 1) \
F(TypedArrayGetByteLength, 1, 1) \
F(TypedArrayGetByteOffset, 1, 1) \
F(TypedArrayGetLength, 1, 1) \
F(TypedArraySetFastCases, 3, 1) \
\
F(DataViewInitialize, 4, 1) \
F(DataViewGetBuffer, 1, 1) \
F(DataViewGetByteLength, 1, 1) \
F(DataViewGetByteOffset, 1, 1) \
F(DataViewGetInt8, 3, 1) \
F(DataViewGetUint8, 3, 1) \
F(DataViewGetInt16, 3, 1) \
F(DataViewGetUint16, 3, 1) \
F(DataViewGetInt32, 3, 1) \
F(DataViewGetUint32, 3, 1) \
F(DataViewGetFloat32, 3, 1) \
F(DataViewGetFloat64, 3, 1) \
\
F(DataViewSetInt8, 4, 1) \
F(DataViewSetUint8, 4, 1) \
F(DataViewSetInt16, 4, 1) \
F(DataViewSetUint16, 4, 1) \
F(DataViewSetInt32, 4, 1) \
F(DataViewSetUint32, 4, 1) \
F(DataViewSetFloat32, 4, 1) \
F(DataViewSetFloat64, 4, 1) \
\
/* Statements */ \
F(NewClosure, 3, 1) \
F(NewClosureFromStubFailure, 1, 1) \
F(NewObject, 1, 1) \
F(NewObjectFromBound, 1, 1) \
F(FinalizeInstanceSize, 1, 1) \
F(Throw, 1, 1) \
F(ReThrow, 1, 1) \
F(ThrowReferenceError, 1, 1) \
F(ThrowNotDateError, 0, 1) \
F(ThrowMessage, 1, 1) \
F(StackGuard, 0, 1) \
F(Interrupt, 0, 1) \
F(PromoteScheduledException, 0, 1) \
\
/* Contexts */ \
F(NewGlobalContext, 2, 1) \
F(NewFunctionContext, 1, 1) \
F(PushWithContext, 2, 1) \
F(PushCatchContext, 3, 1) \
F(PushBlockContext, 2, 1) \
F(PushModuleContext, 2, 1) \
F(DeleteContextSlot, 2, 1) \
F(LoadContextSlot, 2, 2) \
F(LoadContextSlotNoReferenceError, 2, 2) \
F(StoreContextSlot, 4, 1) \
\
/* Declarations and initialization */ \
F(DeclareGlobals, 3, 1) \
F(DeclareModules, 1, 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) \
F(AbortJS, 1, 1) \
/* Logging */ \
F(Log, 2, 1) \
/* ES5 */ \
F(LocalKeys, 1, 1) \
/* Cache suport */ \
F(GetFromCache, 2, 1) \
\
/* Message objects */ \
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(HasFastSmiElements, 1, 1) \
F(HasFastSmiOrObjectElements, 1, 1) \
F(HasFastObjectElements, 1, 1) \
F(HasFastDoubleElements, 1, 1) \
F(HasFastHoleyElements, 1, 1) \
F(HasDictionaryElements, 1, 1) \
F(HasNonStrictArgumentsElements, 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) \
F(HasFastProperties, 1, 1) \
F(TransitionElementsKind, 2, 1) \
F(HaveSameMap, 2, 1) \
F(IsAccessCheckNeeded, 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(GetStepInPositions, 2, 1) \
F(GetScopeDetails, 4, 1) \
F(GetFunctionScopeCount, 1, 1) \
F(GetFunctionScopeDetails, 2, 1) \
F(SetScopeVariableValue, 6, 1) \
F(DebugPrintScopes, 0, 1) \
F(GetThreadCount, 1, 1) \
F(GetThreadDetails, 2, 1) \
F(SetDisableBreak, 1, 1) \
F(GetBreakLocations, 2, 1) \
F(SetFunctionBreakPoint, 3, 1) \
F(SetScriptBreakPoint, 4, 1) \
F(ClearBreakPoint, 1, 1) \
F(ChangeBreakOnException, 2, 1) \
F(IsBreakOnException, 1, 1) \
F(PrepareStep, 4, 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(DebugSetScriptSource, 2, 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(LiveEditRestartFrame, 2, 1) \
F(GetFunctionCodePositionFromSource, 2, 1) \
F(ExecuteInDebugContext, 2, 1) \
\
F(SetFlags, 1, 1) \
F(CollectGarbage, 1, 1) \
F(GetHeapUsage, 0, 1) \
#else
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
#endif
#ifdef V8_I18N_SUPPORT
#define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
/* i18n support */ \
/* Standalone, helper methods. */ \
F(CanonicalizeLanguageTag, 1, 1) \
F(AvailableLocalesOf, 1, 1) \
F(GetDefaultICULocale, 0, 1) \
F(GetLanguageTagVariants, 1, 1) \
\
/* Date format and parse. */ \
F(CreateDateTimeFormat, 3, 1) \
F(InternalDateFormat, 2, 1) \
F(InternalDateParse, 2, 1) \
\
/* Number format and parse. */ \
F(CreateNumberFormat, 3, 1) \
F(InternalNumberFormat, 2, 1) \
F(InternalNumberParse, 2, 1) \
\
/* Collator. */ \
F(CreateCollator, 3, 1) \
F(InternalCompare, 3, 1) \
\
/* Break iterator. */ \
F(CreateBreakIterator, 3, 1) \
F(BreakIteratorAdoptText, 2, 1) \
F(BreakIteratorFirst, 1, 1) \
F(BreakIteratorNext, 1, 1) \
F(BreakIteratorCurrent, 1, 1) \
F(BreakIteratorBreakType, 1, 1) \
#else
#define RUNTIME_FUNCTION_LIST_I18N_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_I18N_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(IsConstructCall, 0, 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(DateField, 2 /* date object, field index */, 1) \
F(StringCharFromCode, 1, 1) \
F(StringCharAt, 2, 1) \
F(OneByteSeqStringSetChar, 3, 1) \
F(TwoByteSeqStringSetChar, 3, 1) \
F(ObjectEquals, 2, 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(MathSqrt, 1, 1) \
F(MathLog, 1, 1) \
F(IsMinusZero, 1, 1) \
F(IsRegExpEquivalent, 2, 1) \
F(HasCachedArrayIndex, 1, 1) \
F(GetCachedArrayIndex, 1, 1) \
F(FastAsciiArrayJoin, 2, 1) \
F(GeneratorNext, 2, 1) \
F(GeneratorThrow, 2, 1) \
F(DebugBreakInOptimizedCode, 0, 1)
// ----------------------------------------------------------------------------
// INLINE_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(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)
//---------------------------------------------------------------------------
// Runtime provides access to all C++ runtime functions.
class RuntimeState {
public:
StaticResource<ConsStringIteratorOp>* string_iterator() {
return &string_iterator_;
}
unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
return &to_upper_mapping_;
}
unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
return &to_lower_mapping_;
}
ConsStringIteratorOp* string_iterator_compare_x() {
return &string_iterator_compare_x_;
}
ConsStringIteratorOp* string_iterator_compare_y() {
return &string_iterator_compare_y_;
}
ConsStringIteratorOp* string_locale_compare_it1() {
return &string_locale_compare_it1_;
}
ConsStringIteratorOp* string_locale_compare_it2() {
return &string_locale_compare_it2_;
}
private:
RuntimeState() {}
// Non-reentrant string buffer for efficient general use in the runtime.
StaticResource<ConsStringIteratorOp> string_iterator_;
unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
ConsStringIteratorOp string_iterator_compare_x_;
ConsStringIteratorOp string_iterator_compare_y_;
ConsStringIteratorOp string_locale_compare_it1_;
ConsStringIteratorOp string_locale_compare_it2_;
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 internalized strings 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 internalized.
static const Function* FunctionForName(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): Some of the following 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* GetElementOrCharAtOrFail(
Isolate* isolate,
Handle<Object> object,
uint32_t index);
static Handle<Object> SetObjectProperty(
Isolate* isolate,
Handle<Object> object,
Handle<Object> key,
Handle<Object> value,
PropertyAttributes attr,
StrictModeFlag strict_mode);
static Handle<Object> ForceSetObjectProperty(
Isolate* isolate,
Handle<JSObject> object,
Handle<Object> key,
Handle<Object> value,
PropertyAttributes attr);
MUST_USE_RESULT static MaybeObject* DeleteObjectProperty(
Isolate* isolate,
Handle<JSReceiver> object,
Handle<Object> key,
JSReceiver::DeleteMode mode);
MUST_USE_RESULT static MaybeObject* HasObjectProperty(
Isolate* isolate,
Handle<JSReceiver> object,
Handle<Object> key);
MUST_USE_RESULT static MaybeObject* GetObjectProperty(
Isolate* isolate,
Handle<Object> object,
Handle<Object> key);
MUST_USE_RESULT static MaybeObject* GetObjectPropertyOrFail(
Isolate* isolate,
Handle<Object> object,
Handle<Object> key);
static void SetupArrayBuffer(Isolate* isolate,
Handle<JSArrayBuffer> array_buffer,
bool is_external,
void* data,
size_t allocated_length);
static bool SetupArrayBufferAllocatingData(
Isolate* isolate,
Handle<JSArrayBuffer> array_buffer,
size_t allocated_length,
bool initialize = true);
static void FreeArrayBuffer(
Isolate* isolate,
JSArrayBuffer* phantom_array_buffer);
enum TypedArrayId {
// arrayIds below should be synchromized with typedarray.js natives.
ARRAY_ID_UINT8 = 1,
ARRAY_ID_INT8 = 2,
ARRAY_ID_UINT16 = 3,
ARRAY_ID_INT16 = 4,
ARRAY_ID_UINT32 = 5,
ARRAY_ID_INT32 = 6,
ARRAY_ID_FLOAT32 = 7,
ARRAY_ID_FLOAT64 = 8,
ARRAY_ID_UINT8C = 9
};
static void ArrayIdToTypeAndSize(int array_id,
ExternalArrayType *type, size_t *element_size);
// Helper functions used stubs.
static void PerformGC(Object* result, Isolate* isolate);
// Used in runtime.cc and hydrogen's VisitArrayLiteral.
static Handle<Object> CreateArrayLiteralBoilerplate(
Isolate* isolate,
Handle<FixedArray> literals,
Handle<FixedArray> elements);
};
//---------------------------------------------------------------------------
// Constants used by interface to runtime functions.
class AllocateDoubleAlignFlag: public BitField<bool, 0, 1> {};
class AllocateTargetSpace: public BitField<AllocationSpace, 1, 3> {};
class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {};
class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {};
class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {};
} } // namespace v8::internal
#endif // V8_RUNTIME_H_