text: // Copyright 2012 the V8 project authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef V8_RUNTIME_RUNTIME_H_
  #define V8_RUNTIME_RUNTIME_H_
  
  #include <memory>
  
  #include "src/allocation.h"
  #include "src/base/platform/time.h"
  #include "src/elements-kind.h"
  #include "src/globals.h"
  #include "src/unicode.h"
  #include "src/zone/zone.h"
  
  namespace v8 {
  namespace internal {
  
  // * Each intrinsic is consistently exposed in JavaScript via 2 names:
  //    * %#name, which is always a runtime call.
  //    * %_#name, which can be inlined or just a runtime call, the compiler in
  //      question decides.
  //
  // * IntrinsicTypes are Runtime::RUNTIME and Runtime::INLINE, respectively.
  //
  // * IDs are Runtime::k##name and Runtime::kInline##name, respectively.
  //
  // * All intrinsics have a C++ implementation Runtime_##name.
  //
  // * Each compiler has an explicit list of intrisics it supports, falling back
  //   to a simple runtime call if necessary.
  
  
  // Entries have the form F(name, number of arguments, number of values):
  // A variable number of arguments is specified by a -1, additional restrictions
  // are specified by inline comments
  
  #define FOR_EACH_INTRINSIC_ARRAY(F) \
    F(ArrayIncludes_Slow, 3, 1)       \
    F(ArrayIndexOf, 3, 1)             \
    F(ArrayIsArray, 1, 1)             \
    F(ArraySpeciesConstructor, 1, 1)  \
    F(EstimateNumberOfElements, 1, 1) \
    F(GetArrayKeys, 2, 1)             \
    F(GrowArrayElements, 2, 1)        \
    F(HasComplexElements, 1, 1)       \
    F(IsArray, 1, 1)                  \
    F(MoveArrayContents, 2, 1)        \
    F(NewArray, -1 /* >= 3 */, 1)     \
    F(NormalizeElements, 1, 1)        \
    F(RemoveArrayHoles, 2, 1)         \
    F(CopyFromPrototype, 2, 1)        \
    F(TransitionElementsKind, 2, 1)   \
    F(TrySliceSimpleNonFastElements, 3, 1)
  
  #define FOR_EACH_INTRINSIC_ATOMICS(F)  \
    F(AtomicsAdd, 3, 1)                  \
    F(AtomicsAnd, 3, 1)                  \
    F(AtomicsCompareExchange, 4, 1)      \
    F(AtomicsExchange, 3, 1)             \
    F(AtomicsNumWaitersForTesting, 2, 1) \
    F(AtomicsOr, 3, 1)                   \
    F(AtomicsSub, 3, 1)                  \
    F(AtomicsXor, 3, 1)                  \
    F(SetAllowAtomicsWait, 1, 1)
  
  #define FOR_EACH_INTRINSIC_BIGINT(F) \
    F(BigIntBinaryOp, 3, 1)            \
    F(BigIntCompareToBigInt, 3, 1)     \
    F(BigIntCompareToNumber, 3, 1)     \
    F(BigIntCompareToString, 3, 1)     \
    F(BigIntEqualToBigInt, 2, 1)       \
    F(BigIntEqualToNumber, 2, 1)       \
    F(BigIntEqualToString, 2, 1)       \
    F(BigIntToBoolean, 1, 1)           \
    F(BigIntToNumber, 1, 1)            \
    F(BigIntUnaryOp, 2, 1)             \
    F(ToBigInt, 1, 1)
  
  #define FOR_EACH_INTRINSIC_CLASSES(F)       \
    F(DefineClass, -1 /* >= 3 */, 1)          \
    F(GetSuperConstructor, 1, 1)              \
    F(HomeObjectSymbol, 0, 1)                 \
    F(LoadFromSuper, 3, 1)                    \
    F(LoadKeyedFromSuper, 3, 1)               \
    F(StoreKeyedToSuper_Sloppy, 4, 1)         \
    F(StoreKeyedToSuper_Strict, 4, 1)         \
    F(StoreToSuper_Sloppy, 4, 1)              \
    F(StoreToSuper_Strict, 4, 1)              \
    F(ThrowConstructorNonCallableError, 1, 1) \
    F(ThrowNotSuperConstructor, 2, 1)         \
    F(ThrowStaticPrototypeError, 0, 1)        \
    F(ThrowSuperAlreadyCalledError, 0, 1)     \
    F(ThrowSuperNotCalled, 0, 1)              \
    F(ThrowUnsupportedSuperError, 0, 1)
  
  #define FOR_EACH_INTRINSIC_COLLECTIONS(F) \
    F(GetWeakMapEntries, 2, 1)              \
    F(GetWeakSetValues, 2, 1)               \
    F(IsJSMap, 1, 1)                        \
    F(IsJSSet, 1, 1)                        \
    F(IsJSWeakMap, 1, 1)                    \
    F(IsJSWeakSet, 1, 1)                    \
    F(MapGrow, 1, 1)                        \
    F(MapIteratorClone, 1, 1)               \
    F(MapShrink, 1, 1)                      \
    F(SetGrow, 1, 1)                        \
    F(SetIteratorClone, 1, 1)               \
    F(SetShrink, 1, 1)                      \
    F(TheHole, 0, 1)                        \
    F(WeakCollectionDelete, 3, 1)           \
    F(WeakCollectionSet, 4, 1)
  
  #define FOR_EACH_INTRINSIC_COMPILER(F)    \
    F(CompileForOnStackReplacement, 1, 1)   \
    F(CompileLazy, 1, 1)                    \
    F(CompileOptimized_Concurrent, 1, 1)    \
    F(CompileOptimized_NotConcurrent, 1, 1) \
    F(EvictOptimizedCodeSlot, 1, 1)         \
    F(FunctionFirstExecution, 1, 1)         \
    F(InstantiateAsmJs, 4, 1)               \
    F(NotifyDeoptimized, 0, 1)              \
    F(ResolvePossiblyDirectEval, 6, 1)
  
  #define FOR_EACH_INTRINSIC_DATE(F) \
    F(DateCurrentTime, 0, 1)         \
    F(IsDate, 1, 1)
  
  #define FOR_EACH_INTRINSIC_DEBUG(F)             \
    F(ChangeBreakOnException, 2, 1)               \
    F(CheckExecutionState, 1, 1)                  \
    F(ClearStepping, 0, 1)                        \
    F(CollectGarbage, 1, 1)                       \
    F(DebugApplyInstrumentation, 1, 1)            \
    F(DebugAsyncFunctionPromiseCreated, 1, 1)     \
    F(DebugBreakAtEntry, 1, 1)                    \
    F(DebugCollectCoverage, 0, 1)                 \
    F(DebugConstructedBy, 2, 1)                   \
    F(DebugEvaluate, 5, 1)                        \
    F(DebugEvaluateGlobal, 2, 1)                  \
    F(DebugGetInternalProperties, 1, 1)           \
    F(DebugGetLoadedScripts, 0, 1)                \
    F(DebugGetProperty, 2, 1)                     \
    F(DebugGetPropertyDetails, 2, 1)              \
    F(DebugGetPrototype, 1, 1)                    \
    F(DebugIsActive, 0, 1)                        \
    F(DebugOnFunctionCall, 2, 1)                  \
    F(DebugPopPromise, 0, 1)                      \
    F(DebugPrepareStepInSuspendedGenerator, 0, 1) \
    F(DebugPropertyAttributesFromDetails, 1, 1)   \
    F(DebugPropertyKindFromDetails, 1, 1)         \
    F(DebugPushPromise, 1, 1)                     \
    F(DebugReferencedBy, 3, 1)                    \
    F(DebugSetScriptSource, 2, 1)                 \
    F(DebugToggleBlockCoverage, 1, 1)             \
    F(DebugTogglePreciseCoverage, 1, 1)           \
    F(FunctionGetDebugName, 1, 1)                 \
    F(FunctionGetInferredName, 1, 1)              \
    F(GetAllScopesDetails, 4, 1)                  \
    F(GetBreakLocations, 1, 1)                    \
    F(GetDebugContext, 0, 1)                      \
    F(GetFrameCount, 1, 1)                        \
    F(GetFrameDetails, 2, 1)                      \
    F(GetFunctionScopeCount, 1, 1)                \
    F(GetFunctionScopeDetails, 2, 1)              \
    F(GetGeneratorScopeCount, 1, 1)               \
    F(GetGeneratorScopeDetails, 2, 1)             \
    F(GetHeapUsage, 0, 1)                         \
    F(GetScopeCount, 2, 1)                        \
    F(GetScopeDetails, 4, 1)                      \
    F(GetScript, 1, 1)                            \
    F(HandleDebuggerStatement, 0, 1)              \
    F(IncBlockCounter, 2, 1)                      \
    F(IsBreakOnException, 1, 1)                   \
    F(PrepareStep, 2, 1)                          \
    F(ScheduleBreak, 0, 1)                        \
    F(ScriptLineCount, 1, 1)                      \
    F(ScriptLocationFromLine2, 4, 1)              \
    F(ScriptLocationFromLine, 4, 1)               \
    F(ScriptPositionInfo2, 3, 1)                  \
    F(ScriptPositionInfo, 3, 1)                   \
    F(SetScopeVariableValue, 6, 1)
  
  #define FOR_EACH_INTRINSIC_ERROR(F) F(ErrorToString, 1, 1)
  
  #define FOR_EACH_INTRINSIC_FORIN(F) \
    F(ForInEnumerate, 1, 1)           \
    F(ForInHasProperty, 2, 1)
  
  #ifdef V8_TRACE_IGNITION
  #define FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F) \
    F(InterpreterTraceBytecodeEntry, 3, 1)        \
    F(InterpreterTraceBytecodeExit, 3, 1)
  #else
  #define FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F)
  #endif
  
  #ifdef V8_TRACE_FEEDBACK_UPDATES
  #define FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F) \
    F(InterpreterTraceUpdateFeedback, 3, 1)
  #else
  #define FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F)
  #endif
  
  #define FOR_EACH_INTRINSIC_INTERPRETER(F)          \
    FOR_EACH_INTRINSIC_INTERPRETER_TRACE(F)          \
    FOR_EACH_INTRINSIC_INTERPRETER_TRACE_FEEDBACK(F) \
    F(InterpreterDeserializeLazy, 2, 1)
  
  #define FOR_EACH_INTRINSIC_FUNCTION(F)     \
    F(Call, -1 /* >= 2 */, 1)                \
    F(FunctionGetContextData, 1, 1)          \
    F(FunctionGetName, 1, 1)                 \
    F(FunctionGetScript, 1, 1)               \
    F(FunctionGetScriptId, 1, 1)             \
    F(FunctionGetScriptSourcePosition, 1, 1) \
    F(FunctionGetSourceCode, 1, 1)           \
    F(FunctionIsAPIFunction, 1, 1)           \
    F(FunctionToString, 1, 1)                \
    F(IsConstructor, 1, 1)                   \
    F(IsFunction, 1, 1)                      \
    F(SetCode, 2, 1)                         \
    F(SetNativeFlag, 1, 1)
  
  #define FOR_EACH_INTRINSIC_GENERATOR(F)       \
    F(AsyncFunctionAwaitCaught, 3, 1)           \
    F(AsyncFunctionAwaitUncaught, 3, 1)         \
    F(AsyncGeneratorAwaitCaught, 2, 1)          \
    F(AsyncGeneratorAwaitUncaught, 2, 1)        \
    F(AsyncGeneratorHasCatchHandlerForPC, 1, 1) \
    F(AsyncGeneratorReject, 2, 1)               \
    F(AsyncGeneratorResolve, 3, 1)              \
    F(AsyncGeneratorYield, 3, 1)                \
    F(CreateJSGeneratorObject, 2, 1)            \
    F(GeneratorClose, 1, 1)                     \
    F(GeneratorGetContinuation, 1, 1)           \
    F(GeneratorGetFunction, 1, 1)               \
    F(GeneratorGetInputOrDebugPos, 1, 1)        \
    F(GeneratorGetReceiver, 1, 1)               \
    F(GeneratorGetResumeMode, 1, 1)             \
    F(GeneratorGetSourcePosition, 1, 1)
  
  #ifdef V8_INTL_SUPPORT
  #define FOR_EACH_INTRINSIC_INTL(F)           \
    F(AvailableLocalesOf, 1, 1)                \
    F(BreakIteratorAdoptText, 2, 1)            \
    F(BreakIteratorBreakType, 1, 1)            \
    F(BreakIteratorCurrent, 1, 1)              \
    F(BreakIteratorFirst, 1, 1)                \
    F(BreakIteratorNext, 1, 1)                 \
    F(CanonicalizeLanguageTag, 1, 1)           \
    F(CreateBreakIterator, 3, 1)               \
    F(CreateCollator, 3, 1)                    \
    F(CreateDateTimeFormat, 3, 1)              \
    F(CreateNumberFormat, 3, 1)                \
    F(CreatePluralRules, 3, 1)                 \
    F(CurrencyDigits, 1, 1)                    \
    F(DateCacheVersion, 0, 1)                  \
    F(GetDefaultICULocale, 0, 1)               \
    F(InternalCompare, 3, 1)                   \
    F(InternalDateFormat, 2, 1)                \
    F(InternalNumberFormat, 2, 1)              \
    F(IsInitializedIntlObject, 1, 1)           \
    F(IsInitializedIntlObjectOfType, 2, 1)     \
    F(MarkAsInitializedIntlObjectOfType, 2, 1) \
    F(PluralRulesSelect, 2, 1)                 \
    F(StringLocaleConvertCase, 3, 1)           \
    F(StringToLowerCaseIntl, 1, 1)             \
    F(StringToUpperCaseIntl, 1, 1)
  #else
  #define FOR_EACH_INTRINSIC_INTL(F)
  #endif
  
  #define FOR_EACH_INTRINSIC_INTERNAL(F)                               \
    F(AllocateInNewSpace, 1, 1)                                        \
    F(AllocateInTargetSpace, 2, 1)                                     \
    F(AllocateSeqOneByteString, 1, 1)                                  \
    F(AllocateSeqTwoByteString, 1, 1)                                  \
    F(AllowDynamicFunction, 1, 1)                                      \
    F(CheckIsBootstrapping, 0, 1)                                      \
    F(CreateAsyncFromSyncIterator, 1, 1)                               \
    F(CreateListFromArrayLike, 1, 1)                                   \
    F(CreateTemplateObject, 1, 1)                                      \
    F(DeserializeLazy, 1, 1)                                           \
    F(ExportFromRuntime, 1, 1)                                         \
    F(GetAndResetRuntimeCallStats, -1 /* <= 2 */, 1)                   \
    F(IncrementUseCounter, 1, 1)                                       \
    F(IncrementUseCounterConstructorReturnNonUndefinedPrimitive, 0, 1) \
    F(InstallToContext, 1, 1)                                          \
    F(Interrupt, 0, 1)                                                 \
    F(IS_VAR, 1, 1)                                                    \
    F(NewReferenceError, 2, 1)                                         \
    F(NewSyntaxError, 2, 1)                                            \
    F(NewTypeError, 2, 1)                                              \
    F(OrdinaryHasInstance, 2, 1)                                       \
    F(PromoteScheduledException, 0, 1)                                 \
    F(ReportMessage, 1, 1)                                             \
    F(ReThrow, 1, 1)                                                   \
    F(RunMicrotaskCallback, 2, 1)                                      \
    F(RunMicrotasks, 0, 1)                                             \
    F(StackGuard, 0, 1)                                                \
    F(Throw, 1, 1)                                                     \
    F(ThrowApplyNonFunction, 1, 1)                                     \
    F(ThrowCalledNonCallable, 1, 1)                                    \
    F(ThrowConstructedNonConstructable, 1, 1)                          \
    F(ThrowConstructorReturnedNonObject, 0, 1)                         \
    F(ThrowInvalidStringLength, 0, 1)                                  \
    F(ThrowInvalidTypedArrayAlignment, 2, 1)                           \
    F(ThrowIteratorResultNotAnObject, 1, 1)                            \
    F(ThrowNotConstructor, 1, 1)                                       \
    F(ThrowRangeError, -1 /* >= 1 */, 1)                               \
    F(ThrowReferenceError, 1, 1)                                       \
    F(ThrowStackOverflow, 0, 1)                                        \
    F(ThrowSymbolAsyncIteratorInvalid, 0, 1)                           \
    F(ThrowSymbolIteratorInvalid, 0, 1)                                \
    F(ThrowThrowMethodMissing, 0, 1)                                   \
    F(ThrowTypeError, -1 /* >= 1 */, 1)                                \
    F(Typeof, 1, 1)                                                    \
    F(UnwindAndFindExceptionHandler, 0, 1)
  
  #define FOR_EACH_INTRINSIC_LITERALS(F) \
    F(CreateArrayLiteral, 4, 1)          \
    F(CreateObjectLiteral, 4, 1)         \
    F(CreateRegExpLiteral, 4, 1)
  
  #define FOR_EACH_INTRINSIC_LIVEEDIT(F)              \
    F(LiveEditCheckAndDropActivations, 3, 1)          \
    F(LiveEditCompareStrings, 2, 1)                   \
    F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
    F(LiveEditFixupScript, 2, 1)                      \
    F(LiveEditFunctionSetScript, 2, 1)                \
    F(LiveEditFunctionSourceUpdated, 2, 1)            \
    F(LiveEditGatherCompileInfo, 2, 1)                \
    F(LiveEditPatchFunctionPositions, 2, 1)           \
    F(LiveEditReplaceFunctionCode, 2, 1)              \
    F(LiveEditReplaceRefToNestedFunction, 3, 1)       \
    F(LiveEditReplaceScript, 3, 1)                    \
    F(LiveEditRestartFrame, 2, 1)
  
  #define FOR_EACH_INTRINSIC_MATHS(F) F(GenerateRandomNumbers, 0, 1)
  
  #define FOR_EACH_INTRINSIC_MODULE(F) \
    F(DynamicImportCall, 2, 1)         \
    F(GetImportMetaObject, 0, 1)       \
    F(GetModuleNamespace, 1, 1)
  
  #define FOR_EACH_INTRINSIC_NUMBERS(F) \
    F(GetHoleNaNLower, 0, 1)            \
    F(GetHoleNaNUpper, 0, 1)            \
    F(IsSmi, 1, 1)                      \
    F(IsValidSmi, 1, 1)                 \
    F(MaxSmi, 0, 1)                     \
    F(NumberToStringSkipCache, 1, 1)    \
    F(SmiLexicographicCompare, 2, 1)    \
    F(StringParseFloat, 1, 1)           \
    F(StringParseInt, 2, 1)             \
    F(StringToNumber, 1, 1)
  
  #define FOR_EACH_INTRINSIC_OBJECT(F)                            \
    F(AddDictionaryProperty, 3, 1)                                \
    F(AddElement, 3, 1)                                           \
    F(AddNamedProperty, 4, 1)                                     \
    F(AddPrivateField, 3, 1)                                      \
    F(AllocateHeapNumber, 0, 1)                                   \
    F(ClassOf, 1, 1)                                              \
    F(CollectTypeProfile, 3, 1)                                   \
    F(CompleteInobjectSlackTrackingForMap, 1, 1)                  \
    F(CopyDataProperties, 2, 1)                                   \
    F(CopyDataPropertiesWithExcludedProperties, -1 /* >= 1 */, 1) \
    F(CreateDataProperty, 3, 1)                                   \
    F(CreateIterResultObject, 2, 1)                               \
    F(DefineAccessorPropertyUnchecked, 5, 1)                      \
    F(DefineDataPropertyInLiteral, 6, 1)                          \
    F(DefineGetterPropertyUnchecked, 4, 1)                        \
    F(DefineMethodsInternal, 3, 1)                                \
    F(DefineSetterPropertyUnchecked, 4, 1)                        \
    F(DeleteProperty, 3, 1)                                       \
    F(GetFunctionName, 1, 1)                                      \
    F(GetInterceptorInfo, 1, 1)                                   \
    F(GetOwnPropertyDescriptor, 2, 1)                             \
    F(GetOwnPropertyKeys, 2, 1)                                   \
    F(GetProperty, 2, 1)                                          \
    F(GetPrototype, 1, 1)                                         \
    F(HasFastPackedElements, 1, 1)                                \
    F(HasInPrototypeChain, 2, 1)                                  \
    F(HasProperty, 2, 1)                                          \
    F(InternalSetPrototype, 2, 1)                                 \
    F(IsJSReceiver, 1, 1)                                         \
    F(IterableToListCanBeElided, 1, 1)                            \
    F(KeyedGetProperty, 2, 1)                                     \
    F(NewObject, 2, 1)                                            \
    F(ObjectCreate, 2, 1)                                         \
    F(ObjectEntries, 1, 1)                                        \
    F(ObjectEntriesSkipFastPath, 1, 1)                            \
    F(ObjectHasOwnProperty, 2, 1)                                 \
    F(ObjectKeys, 1, 1)                                           \
    F(ObjectValues, 1, 1)                                         \
    F(ObjectValuesSkipFastPath, 1, 1)                             \
    F(OptimizeObjectForAddingMultipleProperties, 2, 1)            \
    F(SameValue, 2, 1)                                            \
    F(SameValueZero, 2, 1)                                        \
    F(SetDataProperties, 2, 1)                                    \
    F(SetProperty, 4, 1)                                          \
    F(ShrinkPropertyDictionary, 1, 1)                             \
    F(ToFastProperties, 1, 1)                                     \
    F(ToInteger, 1, 1)                                            \
    F(ToLength, 1, 1)                                             \
    F(ToName, 1, 1)                                               \
    F(ToNumber, 1, 1)                                             \
    F(ToNumeric, 1, 1)                                            \
    F(ToObject, 1, 1)                                             \
    F(ToPrimitive, 1, 1)                                          \
    F(ToPrimitive_Number, 1, 1)                                   \
    F(ToString, 1, 1)                                             \
    F(TryMigrateInstance, 1, 1)                                   \
    F(ValueOf, 1, 1)
  
  #define FOR_EACH_INTRINSIC_OPERATORS(F) \
    F(Add, 2, 1)                          \
    F(Equal, 2, 1)                        \
    F(GreaterThan, 2, 1)                  \
    F(GreaterThanOrEqual, 2, 1)           \
    F(LessThan, 2, 1)                     \
    F(LessThanOrEqual, 2, 1)              \
    F(NotEqual, 2, 1)                     \
    F(StrictEqual, 2, 1)                  \
    F(StrictNotEqual, 2, 1)
  
  #define FOR_EACH_INTRINSIC_PROMISE(F)  \
    F(EnqueueMicrotask, 1, 1)            \
    F(PromiseHookAfter, 1, 1)            \
    F(PromiseHookBefore, 1, 1)           \
    F(PromiseHookInit, 2, 1)             \
    F(PromiseMarkAsHandled, 1, 1)        \
    F(PromiseRejectEventFromStack, 2, 1) \
    F(PromiseResult, 1, 1)               \
    F(PromiseRevokeReject, 1, 1)         \
    F(PromiseStatus, 1, 1)               \
    F(RejectPromise, 3, 1)               \
    F(ResolvePromise, 2, 1)
  
  #define FOR_EACH_INTRINSIC_PROXY(F)   \
    F(CheckProxyGetSetTrapResult, 2, 1) \
    F(CheckProxyHasTrap, 2, 1)          \
    F(GetPropertyWithReceiver, 2, 1)    \
    F(IsJSProxy, 1, 1)                  \
    F(JSProxyGetHandler, 1, 1)          \
    F(JSProxyGetTarget, 1, 1)           \
    F(SetPropertyWithReceiver, 5, 1)
  
  #define FOR_EACH_INTRINSIC_REGEXP(F)                \
    F(IsRegExp, 1, 1)                                 \
    F(RegExpExec, 4, 1)                               \
    F(RegExpExecMultiple, 4, 1)                       \
    F(RegExpInitializeAndCompile, 3, 1)               \
    F(RegExpInternalReplace, 3, 1)                    \
    F(RegExpReplace, 3, 1)                            \
    F(RegExpSplit, 3, 1)                              \
    F(StringReplaceNonGlobalRegExpWithFunction, 3, 1) \
    F(StringSplit, 3, 1)
  
  #define FOR_EACH_INTRINSIC_SCOPES(F)      \
    F(DeclareEvalFunction, 2, 1)            \
    F(DeclareEvalVar, 1, 1)                 \
    F(DeclareGlobals, 3, 1)                 \
    F(DeleteLookupSlot, 1, 1)               \
    F(LoadLookupSlot, 1, 1)                 \
    F(LoadLookupSlotInsideTypeof, 1, 1)     \
    F(NewArgumentsElements, 3, 1)           \
                                            \
    F(NewClosure, 2, 1)                     \
    F(NewClosure_Tenured, 2, 1)             \
    F(NewFunctionContext, 1, 1)             \
    F(NewRestParameter, 1, 1)               \
    F(NewScriptContext, 1, 1)               \
    F(NewSloppyArguments, 3, 1)             \
    F(NewSloppyArguments_Generic, 1, 1)     \
    F(NewStrictArguments, 1, 1)             \
    F(PushBlockContext, 1, 1)               \
    F(PushCatchContext, 2, 1)               \
    F(PushModuleContext, 2, 1)              \
    F(PushWithContext, 2, 1)                \
    F(StoreLookupSlot_Sloppy, 2, 1)         \
    F(StoreLookupSlot_SloppyHoisting, 2, 1) \
    F(StoreLookupSlot_Strict, 2, 1)         \
    F(ThrowConstAssignError, 0, 1)
  
  #define FOR_EACH_INTRINSIC_STRINGS(F)     \
    F(FlattenString, 1, 1)                  \
    F(GetSubstitution, 5, 1)                \
    F(InternalizeString, 1, 1)              \
    F(SparseJoinWithSeparator, 3, 1)        \
    F(StringAdd, 2, 1)                      \
    F(StringBuilderConcat, 3, 1)            \
    F(StringBuilderJoin, 3, 1)              \
    F(StringCharCodeAt, 2, 1)               \
    F(StringCharFromCode, 1, 1)             \
    F(StringEqual, 2, 1)                    \
    F(StringGreaterThan, 2, 1)              \
    F(StringGreaterThanOrEqual, 2, 1)       \
    F(StringIncludes, 3, 1)                 \
    F(StringIndexOf, 3, 1)                  \
    F(StringIndexOfUnchecked, 3, 1)         \
    F(StringLastIndexOf, 2, 1)              \
    F(StringLessThan, 2, 1)                 \
    F(StringLessThanOrEqual, 2, 1)          \
    F(StringMaxLength, 0, 1)                \
    F(StringNotEqual, 2, 1)                 \
    F(StringReplaceOneCharWithString, 3, 1) \
    F(StringSubstring, 3, 1)                \
    F(StringToArray, 2, 1)                  \
    F(StringTrim, 2, 1)
  
  #define FOR_EACH_INTRINSIC_SYMBOL(F)       \
    F(CreatePrivateFieldSymbol, 0, 1)        \
    F(CreatePrivateSymbol, -1 /* <= 1 */, 1) \
    F(SymbolDescription, 1, 1)               \
    F(SymbolDescriptiveString, 1, 1)         \
    F(SymbolIsPrivate, 1, 1)
  
  #define FOR_EACH_INTRINSIC_TEST(F)            \
    F(Abort, 1, 1)                              \
    F(AbortJS, 1, 1)                            \
    F(ClearFunctionFeedback, 1, 1)              \
    F(CompleteInobjectSlackTracking, 1, 1)      \
    F(ConstructConsString, 2, 1)                \
    F(ConstructDouble, 2, 1)                    \
    F(DebugPrint, 1, 1)                         \
    F(DebugTrace, 0, 1)                         \
    F(DebugTrackRetainingPath, -1, 1)           \
    F(DeoptimizeFunction, 1, 1)                 \
    F(DeoptimizeNow, 0, 1)                      \
    F(DeserializeWasmModule, 2, 1)              \
    F(DisallowCodegenFromStrings, 1, 1)         \
    F(DisallowWasmCodegen, 1, 1)                \
    F(DisassembleFunction, 1, 1)                \
    F(FreezeWasmLazyCompilation, 1, 1)          \
    F(GetCallable, 0, 1)                        \
    F(GetDeoptCount, 1, 1)                      \
    F(GetOptimizationStatus, -1, 1)             \
    F(GetUndetectable, 0, 1)                    \
    F(GetWasmRecoveredTrapCount, 0, 1)          \
    F(GlobalPrint, 1, 1)                        \
    F(HasDictionaryElements, 1, 1)              \
    F(HasDoubleElements, 1, 1)                  \
    F(HasFastElements, 1, 1)                    \
    F(HasFastProperties, 1, 1)                  \
    F(HasFixedBigInt64Elements, 1, 1)           \
    F(HasFixedBigUint64Elements, 1, 1)          \
    F(HasFixedFloat32Elements, 1, 1)            \
    F(HasFixedFloat64Elements, 1, 1)            \
    F(HasFixedInt16Elements, 1, 1)              \
    F(HasFixedInt32Elements, 1, 1)              \
    F(HasFixedInt8Elements, 1, 1)               \
    F(HasFixedUint16Elements, 1, 1)             \
    F(HasFixedUint32Elements, 1, 1)             \
    F(HasFixedUint8ClampedElements, 1, 1)       \
    F(HasFixedUint8Elements, 1, 1)              \
    F(HasHoleyElements, 1, 1)                   \
    F(HasObjectElements, 1, 1)                  \
    F(HasSloppyArgumentsElements, 1, 1)         \
    F(HasSmiElements, 1, 1)                     \
    F(HasSmiOrObjectElements, 1, 1)             \
    F(HaveSameMap, 2, 1)                        \
    F(HeapObjectVerify, 1, 1)                   \
    F(InNewSpace, 1, 1)                         \
    F(IsAsmWasmCode, 1, 1)                      \
    F(IsConcurrentRecompilationSupported, 0, 1) \
    F(IsJSError, 1, 1)                          \
    F(IsJSGeneratorObject, 1, 1)                \
    F(IsJSMapIterator, 1, 1)                    \
    F(IsJSSetIterator, 1, 1)                    \
    F(IsLiftoffFunction, 1, 1)                  \
    F(IsScriptWrapper, 1, 1)                    \
    F(IsWasmCode, 1, 1)                         \
    F(IsWasmTrapHandlerEnabled, 0, 1)           \
    F(NativeScriptsCount, 0, 1)                 \
    F(NeverOptimizeFunction, 1, 1)              \
    F(NotifyContextDisposed, 0, 1)              \
    F(OptimizeFunctionOnNextCall, -1, 1)        \
    F(OptimizeOsr, -1, 1)                       \
    F(PrintWithNameForAssert, 2, 1)             \
    F(RedirectToWasmInterpreter, 2, 1)          \
    F(RunningInSimulator, 0, 1)                 \
    F(SerializeWasmModule, 1, 1)                \
    F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \
    F(SetFlags, 1, 1)                           \
    F(SetForceSlowPath, 1, 1)                   \
    F(SetWasmCompileControls, 2, 1)             \
    F(SetWasmInstantiateControls, 0, 1)         \
    F(ArraySpeciesProtector, 0, 1)              \
    F(TypedArraySpeciesProtector, 0, 1)         \
    F(PromiseSpeciesProtector, 0, 1)            \
    F(SystemBreak, 0, 1)                        \
    F(TraceEnter, 0, 1)                         \
    F(TraceExit, 1, 1)                          \
    F(UnblockConcurrentRecompilation, 0, 1)     \
    F(ValidateWasmInstancesChain, 2, 1)         \
    F(ValidateWasmModuleState, 1, 1)            \
    F(WasmNumInterpretedCalls, 1, 1)            \
    F(WasmTraceMemory, 1, 1)
  
  #define FOR_EACH_INTRINSIC_TYPEDARRAY(F) \
    F(ArrayBufferNeuter, 1, 1)             \
    F(ArrayBufferViewWasNeutered, 1, 1)    \
    F(IsTypedArray, 1, 1)                  \
    F(TypedArrayCopyElements, 3, 1)        \
    F(TypedArrayGetBuffer, 1, 1)           \
    F(TypedArrayGetLength, 1, 1)           \
    F(TypedArraySet, 2, 1)                 \
    F(TypedArraySortFast, 1, 1)
  
  #define FOR_EACH_INTRINSIC_WASM(F)   \
    F(ThrowWasmError, 1, 1)            \
    F(ThrowWasmStackOverflow, 0, 1)    \
    F(WasmExceptionGetElement, 1, 1)   \
    F(WasmExceptionSetElement, 2, 1)   \
    F(WasmGetExceptionRuntimeId, 0, 1) \
    F(WasmGrowMemory, 1, 1)            \
    F(WasmRunInterpreter, 2, 1)        \
    F(WasmStackGuard, 0, 1)            \
    F(WasmThrow, 0, 1)                 \
    F(WasmThrowCreate, 2, 1)           \
    F(WasmThrowTypeError, 0, 1)
  
  #define FOR_EACH_INTRINSIC_RETURN_PAIR(F) \
    F(WasmCompileLazy, 1, 2)                \
    F(DebugBreakOnBytecode, 1, 2)           \
    F(LoadLookupSlotForCall, 1, 2)
  
  // Most intrinsics are implemented in the runtime/ directory, but ICs are
  // implemented in ic.cc for now.
  #define FOR_EACH_INTRINSIC_IC(F)             \
    F(ElementsTransitionAndStoreIC_Miss, 6, 1) \
    F(KeyedLoadIC_Miss, 4, 1)                  \
    F(KeyedStoreIC_Miss, 5, 1)                 \
    F(KeyedStoreIC_Slow, 5, 1)                 \
    F(LoadElementWithInterceptor, 2, 1)        \
    F(LoadGlobalIC_Miss, 3, 1)                 \
    F(LoadGlobalIC_Slow, 3, 1)                 \
    F(LoadIC_Miss, 4, 1)                       \
    F(LoadPropertyWithInterceptor, 5, 1)       \
    F(StoreCallbackProperty, 6, 1)             \
    F(StoreGlobalIC_Miss, 4, 1)                \
    F(StoreGlobalIC_Slow, 5, 1)                \
    F(StoreIC_Miss, 5, 1)                      \
    F(StoreInArrayLiteralIC_Slow, 5, 1)        \
    F(StorePropertyWithInterceptor, 5, 1)
  
  #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \
    FOR_EACH_INTRINSIC_ARRAY(F)               \
    FOR_EACH_INTRINSIC_ATOMICS(F)             \
    FOR_EACH_INTRINSIC_BIGINT(F)              \
    FOR_EACH_INTRINSIC_CLASSES(F)             \
    FOR_EACH_INTRINSIC_COLLECTIONS(F)         \
    FOR_EACH_INTRINSIC_COMPILER(F)            \
    FOR_EACH_INTRINSIC_DATE(F)                \
    FOR_EACH_INTRINSIC_DEBUG(F)               \
    FOR_EACH_INTRINSIC_ERROR(F)               \
    FOR_EACH_INTRINSIC_FORIN(F)               \
    FOR_EACH_INTRINSIC_FUNCTION(F)            \
    FOR_EACH_INTRINSIC_GENERATOR(F)           \
    FOR_EACH_INTRINSIC_IC(F)                  \
    FOR_EACH_INTRINSIC_INTERNAL(F)            \
    FOR_EACH_INTRINSIC_INTERPRETER(F)         \
    FOR_EACH_INTRINSIC_INTL(F)                \
    FOR_EACH_INTRINSIC_LITERALS(F)            \
    FOR_EACH_INTRINSIC_LIVEEDIT(F)            \
    FOR_EACH_INTRINSIC_MATHS(F)               \
    FOR_EACH_INTRINSIC_MODULE(F)              \
    FOR_EACH_INTRINSIC_NUMBERS(F)             \
    FOR_EACH_INTRINSIC_OBJECT(F)              \
    FOR_EACH_INTRINSIC_OPERATORS(F)           \
    FOR_EACH_INTRINSIC_PROMISE(F)             \
    FOR_EACH_INTRINSIC_PROXY(F)               \
    FOR_EACH_INTRINSIC_REGEXP(F)              \
    FOR_EACH_INTRINSIC_SCOPES(F)              \
    FOR_EACH_INTRINSIC_STRINGS(F)             \
    FOR_EACH_INTRINSIC_SYMBOL(F)              \
    FOR_EACH_INTRINSIC_TEST(F)                \
    FOR_EACH_INTRINSIC_TYPEDARRAY(F)          \
    FOR_EACH_INTRINSIC_WASM(F)
  
  // FOR_EACH_INTRINSIC defines the list of all intrinsics, coming in 2 flavors,
  // either returning an object or a pair.
  #define FOR_EACH_INTRINSIC(F)         \
    FOR_EACH_INTRINSIC_RETURN_PAIR(F)   \
    FOR_EACH_INTRINSIC_RETURN_OBJECT(F)
  
  
  #define F(name, nargs, ressize)                                 \
    Object* Runtime_##name(int args_length, Object** args_object, \
                           Isolate* isolate);
  FOR_EACH_INTRINSIC_RETURN_OBJECT(F)
  #undef F
  
  //---------------------------------------------------------------------------
  // Runtime provides access to all C++ runtime functions.
  
  class Runtime : public AllStatic {
   public:
    enum FunctionId : int32_t {
  #define F(name, nargs, ressize) k##name,
  #define I(name, nargs, ressize) kInline##name,
      FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC(I)
  #undef I
  #undef F
          kNumFunctions,
    };
  
    enum IntrinsicType { RUNTIME, INLINE };
  
    // Intrinsic function descriptor.
    struct Function {
      FunctionId function_id;
      IntrinsicType intrinsic_type;
      // The JS name of the function.
      const char* name;
  
      // For RUNTIME functions, this is the C++ entry point.
      // For INLINE functions this is the C++ entry point of the fall back.
      Address entry;
  
      // The number of arguments expected. nargs is -1 if the function takes
      // a variable number of arguments.
      int8_t nargs;
      // Size of result.  Most functions return a single pointer, size 1.
      int8_t result_size;
    };
  
    static const int kNotFound = -1;
  
    // Checks whether the runtime function with the given {id} never returns
    // to it's caller normally, i.e. whether it'll always raise an exception.
    // More specifically: The C++ implementation returns the Heap::exception
    // sentinel, always.
    static bool IsNonReturning(FunctionId id);
  
    // Get the intrinsic function with the given name.
    static const Function* FunctionForName(const unsigned char* name, int length);
  
    // Get the intrinsic function with the given FunctionId.
    V8_EXPORT_PRIVATE static const Function* FunctionForId(FunctionId id);
  
    // Get the intrinsic function with the given function entry address.
    static const Function* FunctionForEntry(Address ref);
  
    // Get the runtime intrinsic function table.
    static const Function* RuntimeFunctionTable(Isolate* isolate);
  
    V8_WARN_UNUSED_RESULT static Maybe<bool> DeleteObjectProperty(
        Isolate* isolate, Handle<JSReceiver> receiver, Handle<Object> key,
        LanguageMode language_mode);
  
    V8_WARN_UNUSED_RESULT static MaybeHandle<Object> SetObjectProperty(
        Isolate* isolate, Handle<Object> object, Handle<Object> key,
        Handle<Object> value, LanguageMode language_mode);
  
    V8_WARN_UNUSED_RESULT static MaybeHandle<Object> GetObjectProperty(
        Isolate* isolate, Handle<Object> object, Handle<Object> key,
        bool* is_found_out = nullptr);
  
    V8_WARN_UNUSED_RESULT static MaybeHandle<JSArray> GetInternalProperties(
        Isolate* isolate, Handle<Object>);
  
    V8_WARN_UNUSED_RESULT static MaybeHandle<Object> ThrowIteratorError(
        Isolate* isolate, Handle<Object> object);
  };
  
  
  class RuntimeState {
   public:
  #ifndef V8_INTL_SUPPORT
    unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
      return &to_upper_mapping_;
    }
    unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
      return &to_lower_mapping_;
    }
  #endif
  
    Runtime::Function* redirected_intrinsic_functions() {
      return redirected_intrinsic_functions_.get();
    }
  
    void set_redirected_intrinsic_functions(
        Runtime::Function* redirected_intrinsic_functions) {
      redirected_intrinsic_functions_.reset(redirected_intrinsic_functions);
    }
  
   private:
    RuntimeState() {}
  #ifndef V8_INTL_SUPPORT
    unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
    unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
  #endif
  
    std::unique_ptr<Runtime::Function[]> redirected_intrinsic_functions_;
  
    friend class Isolate;
    friend class Runtime;
  
    DISALLOW_COPY_AND_ASSIGN(RuntimeState);
  };
  
  V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, Runtime::FunctionId);
  
  //---------------------------------------------------------------------------
  // 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> {};
  
  // A set of bits returned by Runtime_GetOptimizationStatus.
  // These bits must be in sync with bits defined in test/mjsunit/mjsunit.js
  enum class OptimizationStatus {
    kIsFunction = 1 << 0,
    kNeverOptimize = 1 << 1,
    kAlwaysOptimize = 1 << 2,
    kMaybeDeopted = 1 << 3,
    kOptimized = 1 << 4,
    kTurboFanned = 1 << 5,
    kInterpreted = 1 << 6,
    kMarkedForOptimization = 1 << 7,
    kMarkedForConcurrentOptimization = 1 << 8,
    kOptimizingConcurrently = 1 << 9,
    kIsExecuting = 1 << 10,
    kTopmostFrameIsTurboFanned = 1 << 11,
  };
  
  }  // namespace internal
  }  // namespace v8
  
  #endif  // V8_RUNTIME_RUNTIME_H_
  