deps/v8/src/runtime/runtime.h

   1 // Copyright 2012 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef V8_RUNTIME_RUNTIME_H_
   6 #define V8_RUNTIME_RUNTIME_H_
   7
   8 #include "src/allocation.h"
   9 #include "src/objects.h"
  10 #include "src/zone.h"
  11
  12 namespace v8 {
  13 namespace internal {
  14
  15 // The interface to C++ runtime functions.
  16
  17 // ----------------------------------------------------------------------------
  18 // WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused
  19 // MSVC Intellisense to crash.  It was broken into two macros to work around
  20 // this problem. Please avoid large recursive macros whenever possible.
  21 #define RUNTIME_FUNCTION_LIST_ALWAYS_1(F)      \
  22   /* Property access */                        \
  23   F(GetProperty, 2, 1)                         \
  24   F(KeyedGetProperty, 2, 1)                    \
  25   F(DeleteProperty, 3, 1)                      \
  26   F(HasOwnProperty, 2, 1)                      \
  27   F(HasProperty, 2, 1)                         \
  28   F(HasElement, 2, 1)                          \
  29   F(IsPropertyEnumerable, 2, 1)                \
  30   F(GetPropertyNames, 1, 1)                    \
  31   F(GetPropertyNamesFast, 1, 1)                \
  32   F(GetOwnPropertyNames, 2, 1)                 \
  33   F(GetOwnElementNames, 1, 1)                  \
  34   F(GetInterceptorInfo, 1, 1)                  \
  35   F(GetNamedInterceptorPropertyNames, 1, 1)    \
  36   F(GetIndexedInterceptorElementNames, 1, 1)   \
  37   F(GetArgumentsProperty, 1, 1)                \
  38   F(ToFastProperties, 1, 1)                    \
  39   F(FinishArrayPrototypeSetup, 1, 1)           \
  40   F(SpecialArrayFunctions, 0, 1)               \
  41   F(IsSloppyModeFunction, 1, 1)                \
  42   F(GetDefaultReceiver, 1, 1)                  \
  43                                                \
  44   F(SetPrototype, 2, 1)                        \
  45   F(InternalSetPrototype, 2, 1)                \
  46   F(IsInPrototypeChain, 2, 1)                  \
  47                                                \
  48   F(GetOwnProperty, 2, 1)                      \
  49                                                \
  50   F(IsExtensible, 1, 1)                        \
  51   F(PreventExtensions, 1, 1)                   \
  52                                                \
  53   /* Utilities */                              \
  54   F(CheckIsBootstrapping, 0, 1)                \
  55   F(GetRootNaN, 0, 1)                          \
  56   F(Call, -1 /* >= 2 */, 1)                    \
  57   F(Apply, 5, 1)                               \
  58   F(GetFunctionDelegate, 1, 1)                 \
  59   F(GetConstructorDelegate, 1, 1)              \
  60   F(DeoptimizeFunction, 1, 1)                  \
  61   F(DeoptimizeNow, 0, 1)                       \
  62   F(ClearFunctionTypeFeedback, 1, 1)           \
  63   F(RunningInSimulator, 0, 1)                  \
  64   F(IsConcurrentRecompilationSupported, 0, 1)  \
  65   F(OptimizeFunctionOnNextCall, -1, 1)         \
  66   F(OptimizeOsr, -1, 1)                        \
  67   F(NeverOptimizeFunction, 1, 1)               \
  68   F(GetOptimizationStatus, -1, 1)              \
  69   F(GetOptimizationCount, 1, 1)                \
  70   F(UnblockConcurrentRecompilation, 0, 1)      \
  71   F(CompileForOnStackReplacement, 1, 1)        \
  72   F(SetAllocationTimeout, -1 /* 2 || 3 */, 1)  \
  73   F(SetNativeFlag, 1, 1)                       \
  74   F(IsConstructor, 1, 1)                       \
  75   F(SetInlineBuiltinFlag, 1, 1)                \
  76   F(StoreArrayLiteralElement, 5, 1)            \
  77   F(DebugPrepareStepInIfStepping, 1, 1)        \
  78   F(DebugPushPromise, 2, 1)                    \
  79   F(DebugPopPromise, 0, 1)                     \
  80   F(DebugPromiseEvent, 1, 1)                   \
  81   F(DebugAsyncTaskEvent, 1, 1)                 \
  82   F(PromiseRejectEvent, 3, 1)                  \
  83   F(PromiseRevokeReject, 1, 1)                 \
  84   F(PromiseHasHandlerSymbol, 0, 1)             \
  85   F(FlattenString, 1, 1)                       \
  86   F(LoadMutableDouble, 2, 1)                   \
  87   F(TryMigrateInstance, 1, 1)                  \
  88   F(NotifyContextDisposed, 0, 1)               \
  89   F(ThrowIteratorResultNotAnObject, 1, 1)      \
  90   F(IncrementStatsCounter, 1, 1)               \
  91                                                \
  92   /* Array join support */                     \
  93   F(PushIfAbsent, 2, 1)                        \
  94   F(ArrayConcat, 1, 1)                         \
  95                                                \
  96   /* Conversions */                            \
  97   F(ToBool, 1, 1)                              \
  98   F(Typeof, 1, 1)                              \
  99                                                \
 100   F(StringToNumber, 1, 1)                      \
 101   F(StringParseInt, 2, 1)                      \
 102   F(StringParseFloat, 1, 1)                    \
 103   F(StringToLowerCase, 1, 1)                   \
 104   F(StringToUpperCase, 1, 1)                   \
 105   F(StringSplit, 3, 1)                         \
 106   F(CharFromCode, 1, 1)                        \
 107   F(URIEscape, 1, 1)                           \
 108   F(URIUnescape, 1, 1)                         \
 109                                                \
 110   F(NumberToInteger, 1, 1)                     \
 111   F(NumberToIntegerMapMinusZero, 1, 1)         \
 112   F(NumberToJSUint32, 1, 1)                    \
 113   F(NumberToJSInt32, 1, 1)                     \
 114                                                \
 115   /* Arithmetic operations */                  \
 116   F(NumberAdd, 2, 1)                           \
 117   F(NumberSub, 2, 1)                           \
 118   F(NumberMul, 2, 1)                           \
 119   F(NumberDiv, 2, 1)                           \
 120   F(NumberMod, 2, 1)                           \
 121   F(NumberUnaryMinus, 1, 1)                    \
 122   F(NumberImul, 2, 1)                          \
 123                                                \
 124   F(StringBuilderConcat, 3, 1)                 \
 125   F(StringBuilderJoin, 3, 1)                   \
 126   F(SparseJoinWithSeparator, 3, 1)             \
 127                                                \
 128   /* Bit operations */                         \
 129   F(NumberOr, 2, 1)                            \
 130   F(NumberAnd, 2, 1)                           \
 131   F(NumberXor, 2, 1)                           \
 132                                                \
 133   F(NumberShl, 2, 1)                           \
 134   F(NumberShr, 2, 1)                           \
 135   F(NumberSar, 2, 1)                           \
 136                                                \
 137   /* Comparisons */                            \
 138   F(NumberEquals, 2, 1)                        \
 139   F(StringEquals, 2, 1)                        \
 140                                                \
 141   F(NumberCompare, 3, 1)                       \
 142   F(SmiLexicographicCompare, 2, 1)             \
 143                                                \
 144   /* Math */                                   \
 145   F(MathAcos, 1, 1)                            \
 146   F(MathAsin, 1, 1)                            \
 147   F(MathAtan, 1, 1)                            \
 148   F(MathAtan2, 2, 1)                           \
 149   F(MathExpRT, 1, 1)                           \
 150   F(RoundNumber, 1, 1)                         \
 151   F(MathFround, 1, 1)                          \
 152   F(RemPiO2, 2, 1)                             \
 153                                                \
 154   /* Regular expressions */                    \
 155   F(RegExpInitializeAndCompile, 3, 1)          \
 156   F(RegExpExecMultiple, 4, 1)                  \
 157   F(RegExpExecReThrow, 4, 1)                   \
 158                                                \
 159   /* JSON */                                   \
 160   F(ParseJson, 1, 1)                           \
 161   F(BasicJSONStringify, 1, 1)                  \
 162   F(QuoteJSONString, 1, 1)                     \
 163                                                \
 164   /* Strings */                                \
 165   F(StringIndexOf, 3, 1)                       \
 166   F(StringLastIndexOf, 3, 1)                   \
 167   F(StringLocaleCompare, 2, 1)                 \
 168   F(StringReplaceGlobalRegExpWithString, 4, 1) \
 169   F(StringReplaceOneCharWithString, 3, 1)      \
 170   F(StringMatch, 3, 1)                         \
 171   F(StringTrim, 3, 1)                          \
 172   F(StringToArray, 2, 1)                       \
 173   F(NewStringWrapper, 1, 1)                    \
 174   F(NewString, 2, 1)                           \
 175   F(NewConsString, 4, 1)                       \
 176   F(TruncateString, 2, 1)                      \
 177                                                \
 178   /* Numbers */                                \
 179   F(NumberToRadixString, 2, 1)                 \
 180   F(NumberToFixed, 2, 1)                       \
 181   F(NumberToExponential, 2, 1)                 \
 182   F(NumberToPrecision, 2, 1)                   \
 183   F(IsValidSmi, 1, 1)                          \
 184                                                \
 185   /* Classes support */                        \
 186   F(ClassGetSourceCode, 1, 1)                  \
 187   F(DefineClass, 6, 1)                         \
 188   F(DefineClassMethod, 3, 1)                   \
 189   F(HandleStepInForDerivedConstructors, 1, 1)  \
 190   F(HomeObjectSymbol, 0, 1)                    \
 191   F(LoadFromSuper, 3, 1)                       \
 192   F(LoadKeyedFromSuper, 3, 1)                  \
 193   F(StoreKeyedToSuper_Sloppy, 4, 1)            \
 194   F(StoreKeyedToSuper_Strict, 4, 1)            \
 195   F(StoreToSuper_Sloppy, 4, 1)                 \
 196   F(StoreToSuper_Strict, 4, 1)                 \
 197   F(ThrowArrayNotSubclassableError, 0, 1)      \
 198   F(ThrowConstructorNonCallableError, 0, 1)    \
 199   F(ThrowIfStaticPrototype, 1, 1)              \
 200   F(ThrowNonMethodError, 0, 1)                 \
 201   F(ThrowStaticPrototypeError, 0, 1)           \
 202   F(ThrowUnsupportedSuperError, 0, 1)          \
 203   F(ToMethod, 2, 1)
 204
 205
 206 #define RUNTIME_FUNCTION_LIST_ALWAYS_2(F)              \
 207   /* Reflection */                                     \
 208   F(FunctionSetInstanceClassName, 2, 1)                \
 209   F(FunctionSetLength, 2, 1)                           \
 210   F(FunctionSetPrototype, 2, 1)                        \
 211   F(FunctionGetName, 1, 1)                             \
 212   F(FunctionSetName, 2, 1)                             \
 213   F(FunctionNameShouldPrintAsAnonymous, 1, 1)          \
 214   F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1)      \
 215   F(FunctionIsGenerator, 1, 1)                         \
 216   F(FunctionIsArrow, 1, 1)                             \
 217   F(FunctionIsConciseMethod, 1, 1)                     \
 218   F(FunctionBindArguments, 4, 1)                       \
 219   F(BoundFunctionGetBindings, 1, 1)                    \
 220   F(FunctionRemovePrototype, 1, 1)                     \
 221   F(FunctionGetSourceCode, 1, 1)                       \
 222   F(FunctionGetScript, 1, 1)                           \
 223   F(FunctionGetScriptSourcePosition, 1, 1)             \
 224   F(FunctionGetPositionForOffset, 2, 1)                \
 225   F(FunctionIsAPIFunction, 1, 1)                       \
 226   F(FunctionIsBuiltin, 1, 1)                           \
 227   F(GetScript, 1, 1)                                   \
 228   F(CollectStackTrace, 2, 1)                           \
 229   F(GetV8Version, 0, 1)                                \
 230   F(GeneratorGetFunction, 1, 1)                        \
 231   F(GeneratorGetContext, 1, 1)                         \
 232   F(GeneratorGetReceiver, 1, 1)                        \
 233   F(GeneratorGetContinuation, 1, 1)                    \
 234   F(GeneratorGetSourcePosition, 1, 1)                  \
 235                                                        \
 236   F(SetCode, 2, 1)                                     \
 237                                                        \
 238   F(DisableAccessChecks, 1, 1)                         \
 239   F(EnableAccessChecks, 1, 1)                          \
 240                                                        \
 241   /* Dates */                                          \
 242   F(DateCurrentTime, 0, 1)                             \
 243   F(DateParseString, 2, 1)                             \
 244   F(DateLocalTimezone, 1, 1)                           \
 245   F(DateToUTC, 1, 1)                                   \
 246   F(DateMakeDay, 2, 1)                                 \
 247   F(DateSetValue, 3, 1)                                \
 248   F(DateCacheVersion, 0, 1)                            \
 249                                                        \
 250   /* Globals */                                        \
 251   F(CompileString, 3, 1)                               \
 252                                                        \
 253   /* Eval */                                           \
 254   F(GlobalProxy, 1, 1)                                 \
 255                                                        \
 256   F(AddNamedProperty, 4, 1)                            \
 257   F(SetProperty, 4, 1)                                 \
 258   F(AddElement, 4, 1)                                  \
 259   F(DefineDataPropertyUnchecked, 4, 1)                 \
 260   F(DefineAccessorPropertyUnchecked, 5, 1)             \
 261   F(GetDataProperty, 2, 1)                             \
 262   F(DefineGetterPropertyUnchecked, 4, 1)               \
 263   F(DefineSetterPropertyUnchecked, 4, 1)               \
 264                                                        \
 265   /* Arrays */                                         \
 266   F(RemoveArrayHoles, 2, 1)                            \
 267   F(GetArrayKeys, 2, 1)                                \
 268   F(MoveArrayContents, 2, 1)                           \
 269   F(EstimateNumberOfElements, 1, 1)                    \
 270   F(NormalizeElements, 1, 1)                           \
 271   F(HasComplexElements, 1, 1)                          \
 272                                                        \
 273   /* Getters and Setters */                            \
 274   F(LookupAccessor, 3, 1)                              \
 275                                                        \
 276   /* ES5 */                                            \
 277   F(ObjectSeal, 1, 1)                                  \
 278   F(ObjectFreeze, 1, 1)                                \
 279                                                        \
 280   /* Harmony modules */                                \
 281   F(IsJSModule, 1, 1)                                  \
 282                                                        \
 283   /* Harmony symbols */                                \
 284   F(CreateSymbol, 1, 1)                                \
 285   F(CreatePrivateSymbol, 1, 1)                         \
 286   F(CreateGlobalPrivateOwnSymbol, 1, 1)                \
 287   F(CreatePrivateOwnSymbol, 1, 1)                      \
 288   F(NewSymbolWrapper, 1, 1)                            \
 289   F(SymbolDescription, 1, 1)                           \
 290   F(SymbolRegistry, 0, 1)                              \
 291   F(SymbolIsPrivate, 1, 1)                             \
 292                                                        \
 293   /* Harmony proxies */                                \
 294   F(CreateJSProxy, 2, 1)                               \
 295   F(CreateJSFunctionProxy, 4, 1)                       \
 296   F(IsJSFunctionProxy, 1, 1)                           \
 297   F(GetHandler, 1, 1)                                  \
 298   F(GetCallTrap, 1, 1)                                 \
 299   F(GetConstructTrap, 1, 1)                            \
 300   F(Fix, 1, 1)                                         \
 301                                                        \
 302   /* ES6 collection iterators */                       \
 303   F(SetIteratorInitialize, 3, 1)                       \
 304   F(SetIteratorClone, 1, 1)                            \
 305   F(SetIteratorNext, 2, 1)                             \
 306   F(SetIteratorDetails, 1, 1)                          \
 307   F(MapIteratorInitialize, 3, 1)                       \
 308   F(MapIteratorClone, 1, 1)                            \
 309   F(MapIteratorNext, 2, 1)                             \
 310   F(MapIteratorDetails, 1, 1)                          \
 311                                                        \
 312   /* Harmony weak maps and sets */                     \
 313   F(WeakCollectionInitialize, 1, 1)                    \
 314   F(WeakCollectionGet, 2, 1)                           \
 315   F(WeakCollectionHas, 2, 1)                           \
 316   F(WeakCollectionDelete, 2, 1)                        \
 317   F(WeakCollectionSet, 3, 1)                           \
 318                                                        \
 319   F(GetWeakMapEntries, 2, 1)                           \
 320   F(GetWeakSetValues, 2, 1)                            \
 321                                                        \
 322   /* Harmony events */                                 \
 323   F(EnqueueMicrotask, 1, 1)                            \
 324   F(RunMicrotasks, 0, 1)                               \
 325                                                        \
 326   /* Harmony observe */                                \
 327   F(IsObserved, 1, 1)                                  \
 328   F(SetIsObserved, 1, 1)                               \
 329   F(GetObservationState, 0, 1)                         \
 330   F(ObservationWeakMapCreate, 0, 1)                    \
 331   F(ObserverObjectAndRecordHaveSameOrigin, 3, 1)       \
 332   F(ObjectWasCreatedInCurrentOrigin, 1, 1)             \
 333   F(GetObjectContextObjectObserve, 1, 1)               \
 334   F(GetObjectContextObjectGetNotifier, 1, 1)           \
 335   F(GetObjectContextNotifierPerformChange, 1, 1)       \
 336   F(DeliverObservationChangeRecords, 2, 1)             \
 337                                                        \
 338   /* Harmony typed arrays */                           \
 339   F(ArrayBufferInitialize, 2, 1)                       \
 340   F(ArrayBufferSliceImpl, 3, 1)                        \
 341   F(ArrayBufferIsView, 1, 1)                           \
 342   F(ArrayBufferNeuter, 1, 1)                           \
 343                                                        \
 344   F(IsTypedArray, 1, 1)                                \
 345   F(TypedArrayInitializeFromArrayLike, 4, 1)           \
 346   F(TypedArrayGetBuffer, 1, 1)                         \
 347   F(TypedArraySetFastCases, 3, 1)                      \
 348                                                        \
 349   F(DataViewGetBuffer, 1, 1)                           \
 350   F(DataViewGetInt8, 3, 1)                             \
 351   F(DataViewGetUint8, 3, 1)                            \
 352   F(DataViewGetInt16, 3, 1)                            \
 353   F(DataViewGetUint16, 3, 1)                           \
 354   F(DataViewGetInt32, 3, 1)                            \
 355   F(DataViewGetUint32, 3, 1)                           \
 356   F(DataViewGetFloat32, 3, 1)                          \
 357   F(DataViewGetFloat64, 3, 1)                          \
 358                                                        \
 359   F(DataViewSetInt8, 4, 1)                             \
 360   F(DataViewSetUint8, 4, 1)                            \
 361   F(DataViewSetInt16, 4, 1)                            \
 362   F(DataViewSetUint16, 4, 1)                           \
 363   F(DataViewSetInt32, 4, 1)                            \
 364   F(DataViewSetUint32, 4, 1)                           \
 365   F(DataViewSetFloat32, 4, 1)                          \
 366   F(DataViewSetFloat64, 4, 1)                          \
 367                                                        \
 368   /* Statements */                                     \
 369   F(NewObjectFromBound, 1, 1)                          \
 370                                                        \
 371   /* Declarations and initialization */                \
 372   F(InitializeVarGlobal, 3, 1)                         \
 373   F(OptimizeObjectForAddingMultipleProperties, 2, 1)   \
 374                                                        \
 375   /* Debugging */                                      \
 376   F(DebugPrint, 1, 1)                                  \
 377   F(GlobalPrint, 1, 1)                                 \
 378   F(DebugTrace, 0, 1)                                  \
 379   F(TraceEnter, 0, 1)                                  \
 380   F(TraceExit, 1, 1)                                   \
 381   F(Abort, 1, 1)                                       \
 382   F(AbortJS, 1, 1)                                     \
 383   F(NativeScriptsCount, 0, 1)                          \
 384   F(RenderCallSite, 0, 1)                              \
 385   /* ES5 */                                            \
 386   F(OwnKeys, 1, 1)                                     \
 387                                                        \
 388   /* Message objects */                                \
 389   F(MessageGetStartPosition, 1, 1)                     \
 390   F(MessageGetScript, 1, 1)                            \
 391                                                        \
 392   /* Pseudo functions - handled as macros by parser */ \
 393   F(IS_VAR, 1, 1)                                      \
 394                                                        \
 395   /* expose boolean functions from objects-inl.h */    \
 396   F(HasFastSmiElements, 1, 1)                          \
 397   F(HasFastSmiOrObjectElements, 1, 1)                  \
 398   F(HasFastObjectElements, 1, 1)                       \
 399   F(HasFastDoubleElements, 1, 1)                       \
 400   F(HasFastHoleyElements, 1, 1)                        \
 401   F(HasDictionaryElements, 1, 1)                       \
 402   F(HasSloppyArgumentsElements, 1, 1)                  \
 403   F(HasExternalUint8ClampedElements, 1, 1)             \
 404   F(HasExternalArrayElements, 1, 1)                    \
 405   F(HasExternalInt8Elements, 1, 1)                     \
 406   F(HasExternalUint8Elements, 1, 1)                    \
 407   F(HasExternalInt16Elements, 1, 1)                    \
 408   F(HasExternalUint16Elements, 1, 1)                   \
 409   F(HasExternalInt32Elements, 1, 1)                    \
 410   F(HasExternalUint32Elements, 1, 1)                   \
 411   F(HasExternalFloat32Elements, 1, 1)                  \
 412   F(HasExternalFloat64Elements, 1, 1)                  \
 413   F(HasFixedUint8ClampedElements, 1, 1)                \
 414   F(HasFixedInt8Elements, 1, 1)                        \
 415   F(HasFixedUint8Elements, 1, 1)                       \
 416   F(HasFixedInt16Elements, 1, 1)                       \
 417   F(HasFixedUint16Elements, 1, 1)                      \
 418   F(HasFixedInt32Elements, 1, 1)                       \
 419   F(HasFixedUint32Elements, 1, 1)                      \
 420   F(HasFixedFloat32Elements, 1, 1)                     \
 421   F(HasFixedFloat64Elements, 1, 1)                     \
 422   F(HasFastProperties, 1, 1)                           \
 423   F(TransitionElementsKind, 2, 1)                      \
 424   F(HaveSameMap, 2, 1)                                 \
 425   F(DisassembleFunction, 1, 1)                         \
 426   F(IsJSGlobalProxy, 1, 1)                             \
 427   F(ForInCacheArrayLength, 2, 1) /* TODO(turbofan): Only temporary */
 428
 429
 430 #define RUNTIME_FUNCTION_LIST_ALWAYS_3(F)                    \
 431   /* String and Regexp */                                    \
 432   F(NumberToStringRT, 1, 1)                                  \
 433   F(RegExpConstructResultRT, 3, 1)                           \
 434   F(StringAddRT, 2, 1)                                       \
 435   F(SubStringRT, 3, 1)                                       \
 436   F(InternalizeString, 1, 1)                                 \
 437   F(StringCompareRT, 2, 1)                                   \
 438   F(StringCharCodeAtRT, 2, 1)                                \
 439   F(GetFromCacheRT, 2, 1)                                    \
 440                                                              \
 441   /* Compilation */                                          \
 442   F(CompileLazy, 1, 1)                                       \
 443   F(CompileOptimized, 2, 1)                                  \
 444   F(TryInstallOptimizedCode, 1, 1)                           \
 445   F(NotifyDeoptimized, 1, 1)                                 \
 446   F(NotifyStubFailure, 0, 1)                                 \
 447                                                              \
 448   /* Utilities */                                            \
 449   F(AllocateInNewSpace, 1, 1)                                \
 450   F(AllocateInTargetSpace, 2, 1)                             \
 451   F(AllocateHeapNumber, 0, 1)                                \
 452   F(NumberToSmi, 1, 1)                                       \
 453   F(NumberToStringSkipCache, 1, 1)                           \
 454                                                              \
 455   F(NewArguments, 1, 1) /* TODO(turbofan): Only temporary */ \
 456   F(NewSloppyArguments, 3, 1)                                \
 457   F(NewStrictArguments, 3, 1)                                \
 458   F(NewRestParam, 3, 1)                                      \
 459   F(NewRestParamSlow, 1, 1)                                  \
 460                                                              \
 461   /* Harmony generators */                                   \
 462   F(CreateJSGeneratorObject, 0, 1)                           \
 463   F(SuspendJSGeneratorObject, -1, 1)                         \
 464   F(ResumeJSGeneratorObject, 3, 1)                           \
 465   F(GeneratorClose, 1, 1)                                    \
 466                                                              \
 467   /* Arrays */                                               \
 468   F(ArrayConstructor, -1, 1)                                 \
 469   F(ArrayConstructorWithSubclassing, -1, 1)                  \
 470   F(InternalArrayConstructor, -1, 1)                         \
 471                                                              \
 472   /* Literals */                                             \
 473   F(MaterializeRegExpLiteral, 4, 1)                          \
 474   F(CreateObjectLiteral, 4, 1)                               \
 475   F(CreateArrayLiteral, 4, 1)                                \
 476   F(CreateArrayLiteralStubBailout, 3, 1)                     \
 477                                                              \
 478   /* Statements */                                           \
 479   F(NewClosure, 3, 1)                                        \
 480   F(NewClosureFromStubFailure, 1, 1)                         \
 481   F(NewObject, 2, 1)                                         \
 482   F(NewObjectWithAllocationSite, 3, 1)                       \
 483   F(FinalizeInstanceSize, 1, 1)                              \
 484   F(Throw, 1, 1)                                             \
 485   F(ReThrow, 1, 1)                                           \
 486   F(ThrowReferenceError, 1, 1)                               \
 487   F(ThrowNotDateError, 0, 1)                                 \
 488   F(ThrowConstAssignError, 0, 1)                             \
 489   F(StackGuard, 0, 1)                                        \
 490   F(Interrupt, 0, 1)                                         \
 491   F(FindExceptionHandler, 0, 1)                              \
 492   F(PromoteScheduledException, 0, 1)                         \
 493                                                              \
 494   /* Contexts */                                             \
 495   F(NewScriptContext, 2, 1)                                  \
 496   F(NewFunctionContext, 1, 1)                                \
 497   F(PushWithContext, 2, 1)                                   \
 498   F(PushCatchContext, 3, 1)                                  \
 499   F(PushBlockContext, 2, 1)                                  \
 500   F(PushModuleContext, 2, 1)                                 \
 501   F(DeleteLookupSlot, 2, 1)                                  \
 502   F(StoreLookupSlot, 4, 1)                                   \
 503                                                              \
 504   /* Declarations and initialization */                      \
 505   F(DeclareGlobals, 3, 1)                                    \
 506   F(DeclareModules, 1, 1)                                    \
 507   F(DeclareLookupSlot, 4, 1)                                 \
 508   F(InitializeConstGlobal, 2, 1)                             \
 509   F(InitializeLegacyConstLookupSlot, 3, 1)                   \
 510                                                              \
 511   /* Maths */                                                \
 512   F(MathPowSlow, 2, 1)                                       \
 513   F(MathPowRT, 2, 1)
 514
 515
 516 #define FOR_EACH_INTRINSIC_RETURN_PAIR(F)                 \
 517   F(LoadLookupSlot, 2, 2)                                 \
 518   F(LoadLookupSlotNoReferenceError, 2, 2)                 \
 519   F(ResolvePossiblyDirectEval, 6, 2)                      \
 520   F(ForInInit, 2, 2) /* TODO(turbofan): Only temporary */ \
 521   F(ForInNext, 4, 2) /* TODO(turbofan): Only temporary */
 522
 523
 524 #define RUNTIME_FUNCTION_LIST_DEBUGGER(F)           \
 525   /* Debugger support*/                             \
 526   F(DebugBreak, 0, 1)                               \
 527   F(SetDebugEventListener, 2, 1)                    \
 528   F(ScheduleBreak, 0, 1)                            \
 529   F(DebugGetPropertyDetails, 2, 1)                  \
 530   F(DebugGetProperty, 2, 1)                         \
 531   F(DebugPropertyTypeFromDetails, 1, 1)             \
 532   F(DebugPropertyAttributesFromDetails, 1, 1)       \
 533   F(DebugPropertyIndexFromDetails, 1, 1)            \
 534   F(DebugNamedInterceptorPropertyValue, 2, 1)       \
 535   F(DebugIndexedInterceptorElementValue, 2, 1)      \
 536   F(CheckExecutionState, 1, 1)                      \
 537   F(GetFrameCount, 1, 1)                            \
 538   F(GetFrameDetails, 2, 1)                          \
 539   F(GetScopeCount, 2, 1)                            \
 540   F(GetStepInPositions, 2, 1)                       \
 541   F(GetScopeDetails, 4, 1)                          \
 542   F(GetAllScopesDetails, 4, 1)                      \
 543   F(GetFunctionScopeCount, 1, 1)                    \
 544   F(GetFunctionScopeDetails, 2, 1)                  \
 545   F(SetScopeVariableValue, 6, 1)                    \
 546   F(DebugPrintScopes, 0, 1)                         \
 547   F(GetThreadCount, 1, 1)                           \
 548   F(GetThreadDetails, 2, 1)                         \
 549   F(SetDisableBreak, 1, 1)                          \
 550   F(GetBreakLocations, 2, 1)                        \
 551   F(SetFunctionBreakPoint, 3, 1)                    \
 552   F(SetScriptBreakPoint, 4, 1)                      \
 553   F(ClearBreakPoint, 1, 1)                          \
 554   F(ChangeBreakOnException, 2, 1)                   \
 555   F(IsBreakOnException, 1, 1)                       \
 556   F(PrepareStep, 4, 1)                              \
 557   F(ClearStepping, 0, 1)                            \
 558   F(DebugEvaluate, 6, 1)                            \
 559   F(DebugEvaluateGlobal, 4, 1)                      \
 560   F(DebugGetLoadedScripts, 0, 1)                    \
 561   F(DebugReferencedBy, 3, 1)                        \
 562   F(DebugConstructedBy, 2, 1)                       \
 563   F(DebugGetPrototype, 1, 1)                        \
 564   F(DebugSetScriptSource, 2, 1)                     \
 565   F(DebugCallbackSupportsStepping, 1, 1)            \
 566   F(SystemBreak, 0, 1)                              \
 567   F(FunctionGetInferredName, 1, 1)                  \
 568   F(FunctionGetDebugName, 1, 1)                     \
 569   F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
 570   F(LiveEditGatherCompileInfo, 2, 1)                \
 571   F(LiveEditReplaceScript, 3, 1)                    \
 572   F(LiveEditReplaceFunctionCode, 2, 1)              \
 573   F(LiveEditFunctionSourceUpdated, 1, 1)            \
 574   F(LiveEditFunctionSetScript, 2, 1)                \
 575   F(LiveEditReplaceRefToNestedFunction, 3, 1)       \
 576   F(LiveEditPatchFunctionPositions, 2, 1)           \
 577   F(LiveEditCheckAndDropActivations, 2, 1)          \
 578   F(LiveEditCompareStrings, 2, 1)                   \
 579   F(LiveEditRestartFrame, 2, 1)                     \
 580   F(GetFunctionCodePositionFromSource, 2, 1)        \
 581   F(ExecuteInDebugContext, 1, 1)                    \
 582   F(GetDebugContext, 0, 1)                          \
 583   F(SetFlags, 1, 1)                                 \
 584   F(CollectGarbage, 1, 1)                           \
 585   F(GetHeapUsage, 0, 1)
 586
 587
 588 #ifdef V8_I18N_SUPPORT
 589 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
 590   /* i18n support */                          \
 591   /* Standalone, helper methods. */           \
 592   F(CanonicalizeLanguageTag, 1, 1)            \
 593   F(AvailableLocalesOf, 1, 1)                 \
 594   F(GetDefaultICULocale, 0, 1)                \
 595   F(GetLanguageTagVariants, 1, 1)             \
 596   F(IsInitializedIntlObject, 1, 1)            \
 597   F(IsInitializedIntlObjectOfType, 2, 1)      \
 598   F(MarkAsInitializedIntlObjectOfType, 3, 1)  \
 599   F(GetImplFromInitializedIntlObject, 1, 1)   \
 600                                               \
 601   /* Date format and parse. */                \
 602   F(CreateDateTimeFormat, 3, 1)               \
 603   F(InternalDateFormat, 2, 1)                 \
 604   F(InternalDateParse, 2, 1)                  \
 605                                               \
 606   /* Number format and parse. */              \
 607   F(CreateNumberFormat, 3, 1)                 \
 608   F(InternalNumberFormat, 2, 1)               \
 609   F(InternalNumberParse, 2, 1)                \
 610                                               \
 611   /* Collator. */                             \
 612   F(CreateCollator, 3, 1)                     \
 613   F(InternalCompare, 3, 1)                    \
 614                                               \
 615   /* String.prototype.normalize. */           \
 616   F(StringNormalize, 2, 1)                    \
 617                                               \
 618   /* Break iterator. */                       \
 619   F(CreateBreakIterator, 3, 1)                \
 620   F(BreakIteratorAdoptText, 2, 1)             \
 621   F(BreakIteratorFirst, 1, 1)                 \
 622   F(BreakIteratorNext, 1, 1)                  \
 623   F(BreakIteratorCurrent, 1, 1)               \
 624   F(BreakIteratorBreakType, 1, 1)
 625
 626 #else
 627 #define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
 628 #endif
 629
 630
 631 // ----------------------------------------------------------------------------
 632 // INLINE_FUNCTION_LIST defines the intrinsics typically handled specially by
 633 // the various compilers.
 634 // Entries have the form F(name, number of arguments, number of return values).
 635 #define INLINE_FUNCTION_LIST(F)                             \
 636   F(IsSmi, 1, 1)                                            \
 637   F(IsNonNegativeSmi, 1, 1)                                 \
 638   F(IsArray, 1, 1)                                          \
 639   F(IsRegExp, 1, 1)                                         \
 640   F(IsJSProxy, 1, 1)                                        \
 641   F(IsConstructCall, 0, 1)                                  \
 642   F(CallFunction, -1 /* receiver + n args + function */, 1) \
 643   F(DefaultConstructorCallSuper, 0, 1)                      \
 644   F(ArgumentsLength, 0, 1)                                  \
 645   F(Arguments, 1, 1)                                        \
 646   F(ValueOf, 1, 1)                                          \
 647   F(SetValueOf, 2, 1)                                       \
 648   F(DateField, 2 /* date object, field index */, 1)         \
 649   F(StringCharFromCode, 1, 1)                               \
 650   F(StringCharAt, 2, 1)                                     \
 651   F(OneByteSeqStringGetChar, 2, 1)                          \
 652   F(OneByteSeqStringSetChar, 3, 1)                          \
 653   F(TwoByteSeqStringGetChar, 2, 1)                          \
 654   F(TwoByteSeqStringSetChar, 3, 1)                          \
 655   F(ObjectEquals, 2, 1)                                     \
 656   F(IsObject, 1, 1)                                         \
 657   F(IsFunction, 1, 1)                                       \
 658   F(IsUndetectableObject, 1, 1)                             \
 659   F(IsSpecObject, 1, 1)                                     \
 660   F(IsStringWrapperSafeForDefaultValueOf, 1, 1)             \
 661   F(MathPow, 2, 1)                                          \
 662   F(IsMinusZero, 1, 1)                                      \
 663   F(HasCachedArrayIndex, 1, 1)                              \
 664   F(GetCachedArrayIndex, 1, 1)                              \
 665   F(FastOneByteArrayJoin, 2, 1)                             \
 666   F(GeneratorNext, 2, 1)                                    \
 667   F(GeneratorThrow, 2, 1)                                   \
 668   F(DebugBreakInOptimizedCode, 0, 1)                        \
 669   F(ClassOf, 1, 1)                                          \
 670   F(StringCharCodeAt, 2, 1)                                 \
 671   F(StringAdd, 2, 1)                                        \
 672   F(SubString, 3, 1)                                        \
 673   F(StringCompare, 2, 1)                                    \
 674   F(RegExpExec, 4, 1)                                       \
 675   F(RegExpConstructResult, 3, 1)                            \
 676   F(GetFromCache, 2, 1)                                     \
 677   F(NumberToString, 1, 1)                                   \
 678   F(DebugIsActive, 0, 1)
 679
 680
 681 // ----------------------------------------------------------------------------
 682 // INLINE_OPTIMIZED_FUNCTION_LIST defines the intrinsics typically handled
 683 // specially by Crankshaft.
 684 // Entries have the form F(name, number of arguments, number of return values).
 685 #define INLINE_OPTIMIZED_FUNCTION_LIST(F) \
 686   /* Typed Arrays */                      \
 687   F(TypedArrayInitialize, 5, 1)           \
 688   F(DataViewInitialize, 4, 1)             \
 689   F(MaxSmi, 0, 1)                         \
 690   F(TypedArrayMaxSizeInHeap, 0, 1)        \
 691   F(ArrayBufferViewGetByteLength, 1, 1)   \
 692   F(ArrayBufferViewGetByteOffset, 1, 1)   \
 693   F(TypedArrayGetLength, 1, 1)            \
 694   /* ArrayBuffer */                       \
 695   F(ArrayBufferGetByteLength, 1, 1)       \
 696   /* Maths */                             \
 697   F(ConstructDouble, 2, 1)                \
 698   F(DoubleHi, 1, 1)                       \
 699   F(DoubleLo, 1, 1)                       \
 700   F(MathClz32, 1, 1)                      \
 701   F(MathFloor, 1, 1)                      \
 702   F(MathSqrt, 1, 1)                       \
 703   F(MathLogRT, 1, 1)                      \
 704   /* ES6 Collections */                   \
 705   F(MapClear, 1, 1)                       \
 706   F(MapDelete, 2, 1)                      \
 707   F(MapGet, 2, 1)                         \
 708   F(MapGetSize, 1, 1)                     \
 709   F(MapHas, 2, 1)                         \
 710   F(MapInitialize, 1, 1)                  \
 711   F(MapSet, 3, 1)                         \
 712   F(SetAdd, 2, 1)                         \
 713   F(SetClear, 1, 1)                       \
 714   F(SetDelete, 2, 1)                      \
 715   F(SetGetSize, 1, 1)                     \
 716   F(SetHas, 2, 1)                         \
 717   F(SetInitialize, 1, 1)                  \
 718   /* Arrays */                            \
 719   F(HasFastPackedElements, 1, 1)          \
 720   F(GetPrototype, 1, 1)                   \
 721   /* Strings */                           \
 722   F(StringGetLength, 1, 1)                \
 723   /* JSValue */                           \
 724   F(JSValueGetValue, 1, 1)                \
 725   /* HeapObject */                        \
 726   F(HeapObjectGetMap, 1, 1)               \
 727   /* Map */                               \
 728   F(MapGetInstanceType, 1, 1)
 729
 730
 731 #define FOR_EACH_INTRINSIC_RETURN_OBJECT(F) \
 732   RUNTIME_FUNCTION_LIST_ALWAYS_1(F)         \
 733   RUNTIME_FUNCTION_LIST_ALWAYS_2(F)         \
 734   RUNTIME_FUNCTION_LIST_ALWAYS_3(F)         \
 735   RUNTIME_FUNCTION_LIST_DEBUGGER(F)         \
 736   RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)     \
 737   INLINE_FUNCTION_LIST(F)                   \
 738   INLINE_OPTIMIZED_FUNCTION_LIST(F)
 739
 740
 741 // FOR_EACH_INTRINSIC defines the list of all intrinsics, coming in 2 flavors,
 742 // either returning an object or a pair.
 743 // Entries have the form F(name, number of arguments, number of values).
 744 #define FOR_EACH_INTRINSIC(F)       \
 745   FOR_EACH_INTRINSIC_RETURN_PAIR(F) \
 746   FOR_EACH_INTRINSIC_RETURN_OBJECT(F)
 747
 748
 749 //---------------------------------------------------------------------------
 750 // Runtime provides access to all C++ runtime functions.
 751
 752 class RuntimeState {
 753  public:
 754   unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
 755     return &to_upper_mapping_;
 756   }
 757   unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
 758     return &to_lower_mapping_;
 759   }
 760
 761  private:
 762   RuntimeState() {}
 763   unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
 764   unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
 765
 766   friend class Isolate;
 767   friend class Runtime;
 768
 769   DISALLOW_COPY_AND_ASSIGN(RuntimeState);
 770 };
 771
 772
 773 class JavaScriptFrameIterator;  // Forward declaration.
 774
 775
 776 class Runtime : public AllStatic {
 777  public:
 778   enum FunctionId {
 779 #define F(name, nargs, ressize) k##name,
 780 #define I(name, nargs, ressize) kInline##name,
 781     FOR_EACH_INTRINSIC(F) FOR_EACH_INTRINSIC(I)
 782 #undef I
 783 #undef F
 784         kNumFunctions,
 785   };
 786
 787   enum IntrinsicType { RUNTIME, INLINE };
 788
 789   // Intrinsic function descriptor.
 790   struct Function {
 791     FunctionId function_id;
 792     IntrinsicType intrinsic_type;
 793     // The JS name of the function.
 794     const char* name;
 795
 796     // The C++ (native) entry point.  NULL if the function is inlined.
 797     byte* entry;
 798
 799     // The number of arguments expected. nargs is -1 if the function takes
 800     // a variable number of arguments.
 801     int nargs;
 802     // Size of result.  Most functions return a single pointer, size 1.
 803     int result_size;
 804   };
 805
 806   static const int kNotFound = -1;
 807
 808   // Add internalized strings for all the intrinsic function names to a
 809   // StringDictionary.
 810   static void InitializeIntrinsicFunctionNames(Isolate* isolate,
 811                                                Handle<NameDictionary> dict);
 812
 813   // Get the intrinsic function with the given name, which must be internalized.
 814   static const Function* FunctionForName(Handle<String> name);
 815
 816   // Get the intrinsic function with the given FunctionId.
 817   static const Function* FunctionForId(FunctionId id);
 818
 819   // Get the intrinsic function with the given function entry address.
 820   static const Function* FunctionForEntry(Address ref);
 821
 822   // TODO(1240886): Some of the following methods are *not* handle safe, but
 823   // accept handle arguments. This seems fragile.
 824
 825   // Support getting the characters in a string using [] notation as
 826   // in Firefox/SpiderMonkey, Safari and Opera.
 827   MUST_USE_RESULT static MaybeHandle<Object> GetElementOrCharAt(
 828       Isolate* isolate, Handle<Object> object, uint32_t index);
 829
 830   MUST_USE_RESULT static MaybeHandle<Object> SetObjectProperty(
 831       Isolate* isolate, Handle<Object> object, Handle<Object> key,
 832       Handle<Object> value, LanguageMode language_mode);
 833
 834   MUST_USE_RESULT static MaybeHandle<Object> DefineObjectProperty(
 835       Handle<JSObject> object, Handle<Object> key, Handle<Object> value,
 836       PropertyAttributes attr);
 837
 838   MUST_USE_RESULT static MaybeHandle<Object> GetObjectProperty(
 839       Isolate* isolate, Handle<Object> object, Handle<Object> key);
 840
 841   MUST_USE_RESULT static MaybeHandle<Object> GetPrototype(
 842       Isolate* isolate, Handle<Object> object);
 843
 844   MUST_USE_RESULT static MaybeHandle<Name> ToName(Isolate* isolate,
 845                                                   Handle<Object> key);
 846
 847   static void SetupArrayBuffer(Isolate* isolate,
 848                                Handle<JSArrayBuffer> array_buffer,
 849                                bool is_external, void* data,
 850                                size_t allocated_length);
 851
 852   static bool SetupArrayBufferAllocatingData(Isolate* isolate,
 853                                              Handle<JSArrayBuffer> array_buffer,
 854                                              size_t allocated_length,
 855                                              bool initialize = true);
 856
 857   static void NeuterArrayBuffer(Handle<JSArrayBuffer> array_buffer);
 858
 859   static void FreeArrayBuffer(Isolate* isolate,
 860                               JSArrayBuffer* phantom_array_buffer);
 861
 862   static int FindIndexedNonNativeFrame(JavaScriptFrameIterator* it, int index);
 863
 864   enum TypedArrayId {
 865     // arrayIds below should be synchromized with typedarray.js natives.
 866     ARRAY_ID_UINT8 = 1,
 867     ARRAY_ID_INT8 = 2,
 868     ARRAY_ID_UINT16 = 3,
 869     ARRAY_ID_INT16 = 4,
 870     ARRAY_ID_UINT32 = 5,
 871     ARRAY_ID_INT32 = 6,
 872     ARRAY_ID_FLOAT32 = 7,
 873     ARRAY_ID_FLOAT64 = 8,
 874     ARRAY_ID_UINT8_CLAMPED = 9,
 875     ARRAY_ID_FIRST = ARRAY_ID_UINT8,
 876     ARRAY_ID_LAST = ARRAY_ID_UINT8_CLAMPED
 877   };
 878
 879   static void ArrayIdToTypeAndSize(int array_id, ExternalArrayType* type,
 880                                    ElementsKind* external_elements_kind,
 881                                    ElementsKind* fixed_elements_kind,
 882                                    size_t* element_size);
 883
 884   // Used in runtime.cc and hydrogen's VisitArrayLiteral.
 885   MUST_USE_RESULT static MaybeHandle<Object> CreateArrayLiteralBoilerplate(
 886       Isolate* isolate, Handle<FixedArray> literals,
 887       Handle<FixedArray> elements);
 888
 889   static void WeakCollectionInitialize(
 890       Isolate* isolate, Handle<JSWeakCollection> weak_collection);
 891   static void WeakCollectionSet(Handle<JSWeakCollection> weak_collection,
 892                                 Handle<Object> key, Handle<Object> value);
 893   static bool WeakCollectionDelete(Handle<JSWeakCollection> weak_collection,
 894                                    Handle<Object> key);
 895 };
 896
 897
 898 std::ostream& operator<<(std::ostream&, Runtime::FunctionId);
 899
 900 //---------------------------------------------------------------------------
 901 // Constants used by interface to runtime functions.
 902
 903 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {};
 904 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 905
 906 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 907 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 908 STATIC_ASSERT(LANGUAGE_END == 3);
 909 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {};
 910
 911 }  // namespace internal
 912 }  // namespace v8
 913
 914 #endif  // V8_RUNTIME_RUNTIME_H_