| // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file | 
 | // for details. All rights reserved. Use of this source code is governed by a | 
 | // BSD-style license that can be found in the LICENSE file. | 
 |  | 
 | #ifndef RUNTIME_VM_SYMBOLS_H_ | 
 | #define RUNTIME_VM_SYMBOLS_H_ | 
 |  | 
 | #include "vm/growable_array.h" | 
 | #include "vm/object.h" | 
 | #include "vm/snapshot_ids.h" | 
 |  | 
 | namespace dart { | 
 |  | 
 | // Forward declarations. | 
 | class Isolate; | 
 | class ObjectPointerVisitor; | 
 |  | 
 | // One-character symbols are added implicitly. | 
 | #define PREDEFINED_SYMBOLS_LIST(V)                                             \ | 
 |   V(AbstractClassInstantiationError, "AbstractClassInstantiationError")        \ | 
 |   V(AllocateInvocationMirror, "_allocateInvocationMirror")                     \ | 
 |   V(AllocateInvocationMirrorForClosure, "_allocateInvocationMirrorForClosure") \ | 
 |   V(AnonymousClosure, "<anonymous closure>")                                   \ | 
 |   V(AnonymousSignature, "<anonymous signature>")                               \ | 
 |   V(ApiError, "ApiError")                                                      \ | 
 |   V(ArgDescVar, ":arg_desc")                                                   \ | 
 |   V(ArgumentError, "ArgumentError")                                            \ | 
 |   V(AsFunctionInternal, "_asFunctionInternal")                                 \ | 
 |   V(AssertionError, "_AssertionError")                                         \ | 
 |   V(AssignIndexToken, "[]=")                                                   \ | 
 |   V(AsyncFuture, ":async_future")                                              \ | 
 |   V(AsyncOperation, ":async_op")                                               \ | 
 |   V(AsyncStarMoveNextHelper, "_asyncStarMoveNextHelper")                       \ | 
 |   V(AwaitContextVar, ":await_ctx_var")                                         \ | 
 |   V(AwaitJumpVar, ":await_jump_var")                                           \ | 
 |   V(Bool, "bool")                                                              \ | 
 |   V(BooleanExpression, "boolean expression")                                   \ | 
 |   V(BoundsCheckForPartialInstantiation, "_boundsCheckForPartialInstantiation") \ | 
 |   V(ByteData, "ByteData")                                                      \ | 
 |   V(ByteDataDot, "ByteData.")                                                  \ | 
 |   V(ByteDataDot_view, "ByteData._view")                                        \ | 
 |   V(Call, "call")                                                              \ | 
 |   V(Cancel, "cancel")                                                          \ | 
 |   V(CastError, "_CastError")                                                   \ | 
 |   V(CheckLoaded, "_checkLoaded")                                               \ | 
 |   V(Class, "Class")                                                            \ | 
 |   V(ClassID, "ClassID")                                                        \ | 
 |   V(ClosureData, "ClosureData")                                                \ | 
 |   V(ClosureParameter, ":closure")                                              \ | 
 |   V(Code, "Code")                                                              \ | 
 |   V(CodeSourceMap, "CodeSourceMap")                                            \ | 
 |   V(ColonMatcher, ":matcher")                                                  \ | 
 |   V(CommaSpace, ", ")                                                          \ | 
 |   V(Completer, "Completer")                                                    \ | 
 |   V(CompleterFuture, "future")                                                 \ | 
 |   V(CompleterGetFuture, "get:future")                                          \ | 
 |   V(CompleterSyncConstructor, "Completer.sync")                                \ | 
 |   V(CompressedStackMaps, "CompressedStackMaps")                                \ | 
 |   V(ConstructorStacktracePrefix, "new ")                                       \ | 
 |   V(Context, "Context")                                                        \ | 
 |   V(ContextScope, "ContextScope")                                              \ | 
 |   V(Controller, ":controller")                                                 \ | 
 |   V(ControllerStream, ":controller_stream")                                    \ | 
 |   V(Current, "current")                                                        \ | 
 |   V(CurrentContextVar, ":current_context_var")                                 \ | 
 |   V(CyclicInitializationError, "CyclicInitializationError")                    \ | 
 |   V(DartAsync, "dart:async")                                                   \ | 
 |   V(DartCollection, "dart:collection")                                         \ | 
 |   V(DartCore, "dart:core")                                                     \ | 
 |   V(DartDeveloper, "dart:developer")                                           \ | 
 |   V(DartDeveloperTimeline, "dart.developer.timeline")                          \ | 
 |   V(DartExtensionScheme, "dart-ext:")                                          \ | 
 |   V(DartFfi, "dart:ffi")                                                       \ | 
 |   V(DartFfiLibName, "ffi")                                                     \ | 
 |   V(DartIOLibName, "dart.io")                                                  \ | 
 |   V(DartInternal, "dart:_internal")                                            \ | 
 |   V(DartIsVM, "dart.isVM")                                                     \ | 
 |   V(DartIsolate, "dart:isolate")                                               \ | 
 |   V(DartLibrary, "dart.library.")                                              \ | 
 |   V(DartLibraryFfi, "dart.library.ffi")                                        \ | 
 |   V(DartLibraryMirrors, "dart.library.mirrors")                                \ | 
 |   V(DartMirrors, "dart:mirrors")                                               \ | 
 |   V(DartNativeWrappers, "dart:nativewrappers")                                 \ | 
 |   V(DartNativeWrappersLibName, "nativewrappers")                               \ | 
 |   V(DartScheme, "dart:")                                                       \ | 
 |   V(DartSchemePrivate, "dart:_")                                               \ | 
 |   V(DartTypedData, "dart:typed_data")                                          \ | 
 |   V(DartVMProduct, "dart.vm.product")                                          \ | 
 |   V(DartVMService, "dart:_vmservice")                                          \ | 
 |   V(DartVMServiceIO, "dart:vmservice_io")                                      \ | 
 |   V(DebugClassName, "#DebugClass")                                             \ | 
 |   V(DebugProcedureName, ":Eval")                                               \ | 
 |   V(Default, "Default")                                                        \ | 
 |   V(DefaultLabel, ":L")                                                        \ | 
 |   V(DotCreate, "._create")                                                     \ | 
 |   V(DotFieldNI, ".fieldNI")                                                    \ | 
 |   V(DotFieldADI, ".fieldADI")                                                  \ | 
 |   V(DotRange, ".range")                                                        \ | 
 |   V(DotUnder, "._")                                                            \ | 
 |   V(DotValue, ".value")                                                        \ | 
 |   V(DotWithType, "._withType")                                                 \ | 
 |   V(Double, "double")                                                          \ | 
 |   V(Dynamic, "dynamic")                                                        \ | 
 |   V(DynamicCall, "dyn:call")                                                   \ | 
 |   V(DynamicCallCurrentNumProcessedVar, ":dyn_call_current_num_processed")      \ | 
 |   V(DynamicCallCurrentFunctionVar, ":dyn_call_current_function")               \ | 
 |   V(DynamicCallCurrentParamIndexVar, ":dyn_call_current_param_index")          \ | 
 |   V(DynamicCallFunctionTypeArgsVar, ":dyn_call_function_type_args")            \ | 
 |   V(DynamicPrefix, "dyn:")                                                     \ | 
 |   V(EntryPointsTemp, ":entry_points_temp")                                     \ | 
 |   V(EqualOperator, "==")                                                       \ | 
 |   V(Error, "Error")                                                            \ | 
 |   V(EvalSourceUri, "evaluate:source")                                          \ | 
 |   V(EvaluateAssertion, "_evaluateAssertion")                                   \ | 
 |   V(ExceptionHandlers, "ExceptionHandlers")                                    \ | 
 |   V(ExceptionParameter, ":exception")                                          \ | 
 |   V(ExceptionVar, ":exception_var")                                            \ | 
 |   V(ExprTemp, ":expr_temp")                                                    \ | 
 |   V(ExternalName, "ExternalName")                                              \ | 
 |   V(ExternalOneByteString, "_ExternalOneByteString")                           \ | 
 |   V(ExternalTwoByteString, "_ExternalTwoByteString")                           \ | 
 |   V(FactoryResult, "factory result")                                           \ | 
 |   V(FallThroughError, "FallThroughError")                                      \ | 
 |   V(FfiCallback, "_FfiCallback")                                               \ | 
 |   V(FfiDouble, "Double")                                                       \ | 
 |   V(FfiDynamicLibrary, "DynamicLibrary")                                       \ | 
 |   V(FfiFloat, "Float")                                                         \ | 
 |   V(FfiInt16, "Int16")                                                         \ | 
 |   V(FfiInt32, "Int32")                                                         \ | 
 |   V(FfiInt64, "Int64")                                                         \ | 
 |   V(FfiInt8, "Int8")                                                           \ | 
 |   V(FfiIntPtr, "IntPtr")                                                       \ | 
 |   V(FfiNativeFunction, "NativeFunction")                                       \ | 
 |   V(FfiNativeType, "NativeType")                                               \ | 
 |   V(FfiPointer, "Pointer")                                                     \ | 
 |   V(FfiTrampolineData, "FfiTrampolineData")                                    \ | 
 |   V(FfiUint16, "Uint16")                                                       \ | 
 |   V(FfiUint32, "Uint32")                                                       \ | 
 |   V(FfiUint64, "Uint64")                                                       \ | 
 |   V(FfiUint8, "Uint8")                                                         \ | 
 |   V(FfiVoid, "Void")                                                           \ | 
 |   V(FfiHandle, "Handle")                                                       \ | 
 |   V(Field, "Field")                                                            \ | 
 |   V(FinallyRetVal, ":finally_ret_val")                                         \ | 
 |   V(FirstArg, "x")                                                             \ | 
 |   V(Float32List, "Float32List")                                                \ | 
 |   V(Float32x4, "Float32x4")                                                    \ | 
 |   V(Float32x4List, "Float32x4List")                                            \ | 
 |   V(Float64List, "Float64List")                                                \ | 
 |   V(Float64x2, "Float64x2")                                                    \ | 
 |   V(Float64x2List, "Float64x2List")                                            \ | 
 |   V(FormatException, "FormatException")                                        \ | 
 |   V(ForwardingCorpse, "ForwardingCorpse")                                      \ | 
 |   V(FreeListElement, "FreeListElement")                                        \ | 
 |   V(Function, "Function")                                                      \ | 
 |   V(FunctionResult, "function result")                                         \ | 
 |   V(FunctionTypeArgumentsVar, ":function_type_arguments_var")                  \ | 
 |   V(Future, "Future")                                                          \ | 
 |   V(FutureCatchError, "catchError")                                            \ | 
 |   V(FutureImpl, "_Future")                                                     \ | 
 |   V(FutureMicrotask, "Future.microtask")                                       \ | 
 |   V(FutureOr, "FutureOr")                                                      \ | 
 |   V(FutureThen, "then")                                                        \ | 
 |   V(FutureValue, "Future.value")                                               \ | 
 |   V(Get, "get")                                                                \ | 
 |   V(GetCall, "get:call")                                                       \ | 
 |   V(GetLength, "get:length")                                                   \ | 
 |   V(GetRuntimeType, "get:runtimeType")                                         \ | 
 |   V(GetterPrefix, "get:")                                                      \ | 
 |   V(GreaterEqualOperator, ">=")                                                \ | 
 |   V(GrowRegExpStack, "_growRegExpStack")                                       \ | 
 |   V(HandleExposedException, "_handleExposedException")                         \ | 
 |   V(HaveSameRuntimeType, "_haveSameRuntimeType")                               \ | 
 |   V(ICData, "ICData")                                                          \ | 
 |   V(Identical, "identical")                                                    \ | 
 |   V(ImmutableMap, "_ImmutableMap")                                             \ | 
 |   V(ImmutableMapConstructor, "_ImmutableMap._create")                          \ | 
 |   V(InTypeCast, " in type cast")                                               \ | 
 |   V(Index, "index")                                                            \ | 
 |   V(IndexToken, "[]")                                                          \ | 
 |   V(InitPrefix, "init:")                                                       \ | 
 |   V(Instructions, "Instructions")                                              \ | 
 |   V(InstructionsSection, "InstructionsSection")                                \ | 
 |   V(Int, "int")                                                                \ | 
 |   V(Int16List, "Int16List")                                                    \ | 
 |   V(Int32List, "Int32List")                                                    \ | 
 |   V(Int32x4, "Int32x4")                                                        \ | 
 |   V(Int32x4List, "Int32x4List")                                                \ | 
 |   V(Int64List, "Int64List")                                                    \ | 
 |   V(Int8List, "Int8List")                                                      \ | 
 |   V(IntegerDivisionByZeroException, "IntegerDivisionByZeroException")          \ | 
 |   V(Interpolate, "_interpolate")                                               \ | 
 |   V(InterpolateSingle, "_interpolateSingle")                                   \ | 
 |   V(InvocationMirror, "_InvocationMirror")                                     \ | 
 |   V(IsolateSpawnException, "IsolateSpawnException")                            \ | 
 |   V(Iterator, "iterator")                                                      \ | 
 |   V(IteratorParameter, ":iterator")                                            \ | 
 |   V(KernelProgramInfo, "KernelProgramInfo")                                    \ | 
 |   V(LanguageError, "LanguageError")                                            \ | 
 |   V(LateError, "LateError")                                                    \ | 
 |   V(LeftShiftOperator, "<<")                                                   \ | 
 |   V(Length, "length")                                                          \ | 
 |   V(LessEqualOperator, "<=")                                                   \ | 
 |   V(LibraryClass, "Library")                                                   \ | 
 |   V(LibraryPrefix, "LibraryPrefix")                                            \ | 
 |   V(List, "List")                                                              \ | 
 |   V(ListFactory, "List.")                                                      \ | 
 |   V(ListFilledFactory, "List.filled")                                          \ | 
 |   V(ListLiteralFactory, "List._fromLiteral")                                   \ | 
 |   V(LoadLibrary, "_loadLibrary")                                               \ | 
 |   V(LocalVarDescriptors, "LocalVarDescriptors")                                \ | 
 |   V(Map, "Map")                                                                \ | 
 |   V(MapLiteralFactory, "Map._fromLiteral")                                     \ | 
 |   V(MegamorphicCache, "MegamorphicCache")                                      \ | 
 |   V(MonomorphicSmiableCall, "MonomorphicSmiableCall")                          \ | 
 |   V(MoveNext, "moveNext")                                                      \ | 
 |   V(Namespace, "Namespace")                                                    \ | 
 |   V(Native, "native")                                                          \ | 
 |   V(Never, "Never")                                                            \ | 
 |   V(NoSuchMethod, "noSuchMethod")                                              \ | 
 |   V(NoSuchMethodError, "NoSuchMethodError")                                    \ | 
 |   V(NotInitialized, "<not initialized>")                                       \ | 
 |   V(NotNamed, "<not named>")                                                   \ | 
 |   V(Null, "Null")                                                              \ | 
 |   V(NullThrownError, "NullThrownError")                                        \ | 
 |   V(Number, "num")                                                             \ | 
 |   V(Object, "Object")                                                          \ | 
 |   V(ObjectPool, "ObjectPool")                                                  \ | 
 |   V(OneByteString, "_OneByteString")                                           \ | 
 |   V(OptimizedOut, "<optimized out>")                                           \ | 
 |   V(OriginalParam, ":original:")                                               \ | 
 |   V(Other, "other")                                                            \ | 
 |   V(OutOfMemoryError, "OutOfMemoryError")                                      \ | 
 |   V(PackageScheme, "package:")                                                 \ | 
 |   V(Patch, "patch")                                                            \ | 
 |   V(PatchClass, "PatchClass")                                                  \ | 
 |   V(PcDescriptors, "PcDescriptors")                                            \ | 
 |   V(Pragma, "pragma")                                                          \ | 
 |   V(PrependTypeArguments, "_prependTypeArguments")                             \ | 
 |   V(QuoteIsNotASubtypeOf, "' is not a subtype of ")                            \ | 
 |   V(RParenArrow, ") => ")                                                      \ | 
 |   V(RangeError, "RangeError")                                                  \ | 
 |   V(RegExp, "RegExp")                                                          \ | 
 |   V(RightShiftOperator, ">>")                                                  \ | 
 |   V(SavedTryContextVar, ":saved_try_context_var")                              \ | 
 |   V(Script, "Script")                                                          \ | 
 |   V(SecondArg, "y")                                                            \ | 
 |   V(Set, "set")                                                                \ | 
 |   V(SetterPrefix, "set:")                                                      \ | 
 |   V(SignatureData, "SignatureData")                                            \ | 
 |   V(SingleTargetCache, "SingleTargetCache")                                    \ | 
 |   V(SizeOfStructField, "#sizeOf")                                              \ | 
 |   V(SpaceExtendsSpace, " extends ")                                            \ | 
 |   V(SpaceIsFromSpace, " is from ")                                             \ | 
 |   V(SpaceOfSpace, " of ")                                                      \ | 
 |   V(SpaceWhereNewLine, " where\n")                                             \ | 
 |   V(StackOverflowError, "StackOverflowError")                                  \ | 
 |   V(StackTraceParameter, ":stack_trace")                                       \ | 
 |   V(Stream, "stream")                                                          \ | 
 |   V(StreamController, "StreamController")                                      \ | 
 |   V(StreamIterator, "StreamIterator")                                          \ | 
 |   V(StreamIteratorConstructor, "StreamIterator.")                              \ | 
 |   V(StringBase, "_StringBase")                                                 \ | 
 |   V(Struct, "Struct")                                                          \ | 
 |   V(StructFromPointer, "#fromPointer")                                         \ | 
 |   V(SubtypeTestCache, "SubtypeTestCache")                                      \ | 
 |   V(LoadingUnit, "LoadingUnit")                                                \ | 
 |   V(SwitchExpr, ":switch_expr")                                                \ | 
 |   V(Symbol, "Symbol")                                                          \ | 
 |   V(SymbolCtor, "Symbol.")                                                     \ | 
 |   V(ThrowNew, "_throwNew")                                                     \ | 
 |   V(ThrowNewInvocation, "_throwNewInvocation")                                 \ | 
 |   V(ThrowNewNullAssertion, "_throwNewNullAssertion")                           \ | 
 |   V(TopLevel, "::")                                                            \ | 
 |   V(TransferableTypedData, "TransferableTypedData")                            \ | 
 |   V(TruncDivOperator, "~/")                                                    \ | 
 |   V(TryFinallyReturnValue, ":try_finally_return_value")                        \ | 
 |   V(TwoByteString, "_TwoByteString")                                           \ | 
 |   V(TwoSpaces, "  ")                                                           \ | 
 |   V(Type, "Type")                                                              \ | 
 |   V(TypeArguments, "TypeArguments")                                            \ | 
 |   V(TypeArgumentsParameter, ":type_arguments")                                 \ | 
 |   V(TypeError, "_TypeError")                                                   \ | 
 |   V(TypeQuote, "type '")                                                       \ | 
 |   V(Uint16List, "Uint16List")                                                  \ | 
 |   V(Uint32List, "Uint32List")                                                  \ | 
 |   V(Uint64List, "Uint64List")                                                  \ | 
 |   V(Uint8ClampedList, "Uint8ClampedList")                                      \ | 
 |   V(Uint8List, "Uint8List")                                                    \ | 
 |   V(UnaryMinus, "unary-")                                                      \ | 
 |   V(UnhandledException, "UnhandledException")                                  \ | 
 |   V(UnlinkedCall, "UnlinkedCall")                                              \ | 
 |   V(UnsafeCast, "unsafeCast")                                                  \ | 
 |   V(UnsupportedError, "UnsupportedError")                                      \ | 
 |   V(UnwindError, "UnwindError")                                                \ | 
 |   V(Value, "value")                                                            \ | 
 |   V(Values, "values")                                                          \ | 
 |   V(YieldKw, "yield")                                                          \ | 
 |   V(_AsyncAwaitStart, "start")                                                 \ | 
 |   V(_AsyncStarStreamController, "_AsyncStarStreamController")                  \ | 
 |   V(_AsyncStarStreamControllerConstructor, "_AsyncStarStreamController.")      \ | 
 |   V(_AsyncStreamController, "_AsyncStreamController")                          \ | 
 |   V(_Awaiter, "_awaiter")                                                      \ | 
 |   V(_BufferingStreamSubscription, "_BufferingStreamSubscription")              \ | 
 |   V(_ByteBuffer, "_ByteBuffer")                                                \ | 
 |   V(_ByteBufferDot_New, "_ByteBuffer._New")                                    \ | 
 |   V(_ByteDataView, "_ByteDataView")                                            \ | 
 |   V(_CapabilityImpl, "_CapabilityImpl")                                        \ | 
 |   V(_ClassMirror, "_ClassMirror")                                              \ | 
 |   V(_Closure, "_Closure")                                                      \ | 
 |   V(_ClosureCall, "_Closure.call")                                             \ | 
 |   V(_CombinatorMirror, "_CombinatorMirror")                                    \ | 
 |   V(_CompileTimeError, "_CompileTimeError")                                    \ | 
 |   V(_CompleteOnAsyncReturn, "_completeOnAsyncReturn")                          \ | 
 |   V(_ControllerSubscription, "_ControllerSubscription")                        \ | 
 |   V(_CompleteOnAsyncError, "_completeOnAsyncError")                            \ | 
 |   V(_DeletedEnumPrefix, "Deleted enum value from ")                            \ | 
 |   V(_DeletedEnumSentinel, "_deleted_enum_sentinel")                            \ | 
 |   V(_Double, "_Double")                                                        \ | 
 |   V(_ExternalFloat32Array, "_ExternalFloat32Array")                            \ | 
 |   V(_ExternalFloat32x4Array, "_ExternalFloat32x4Array")                        \ | 
 |   V(_ExternalFloat64Array, "_ExternalFloat64Array")                            \ | 
 |   V(_ExternalFloat64x2Array, "_ExternalFloat64x2Array")                        \ | 
 |   V(_ExternalInt16Array, "_ExternalInt16Array")                                \ | 
 |   V(_ExternalInt32Array, "_ExternalInt32Array")                                \ | 
 |   V(_ExternalInt32x4Array, "_ExternalInt32x4Array")                            \ | 
 |   V(_ExternalInt64Array, "_ExternalInt64Array")                                \ | 
 |   V(_ExternalInt8Array, "_ExternalInt8Array")                                  \ | 
 |   V(_ExternalUint16Array, "_ExternalUint16Array")                              \ | 
 |   V(_ExternalUint32Array, "_ExternalUint32Array")                              \ | 
 |   V(_ExternalUint64Array, "_ExternalUint64Array")                              \ | 
 |   V(_ExternalUint8Array, "_ExternalUint8Array")                                \ | 
 |   V(_ExternalUint8ClampedArray, "_ExternalUint8ClampedArray")                  \ | 
 |   V(_Float32ArrayFactory, "Float32List.")                                      \ | 
 |   V(_Float32ArrayView, "_Float32ArrayView")                                    \ | 
 |   V(_Float32List, "_Float32List")                                              \ | 
 |   V(_Float32x4, "_Float32x4")                                                  \ | 
 |   V(_Float32x4ArrayFactory, "Float32x4List.")                                  \ | 
 |   V(_Float32x4ArrayView, "_Float32x4ArrayView")                                \ | 
 |   V(_Float32x4List, "_Float32x4List")                                          \ | 
 |   V(_Float64ArrayFactory, "Float64List.")                                      \ | 
 |   V(_Float64ArrayView, "_Float64ArrayView")                                    \ | 
 |   V(_Float64List, "_Float64List")                                              \ | 
 |   V(_Float64x2, "_Float64x2")                                                  \ | 
 |   V(_Float64x2ArrayFactory, "Float64x2List.")                                  \ | 
 |   V(_Float64x2ArrayView, "_Float64x2ArrayView")                                \ | 
 |   V(_Float64x2List, "_Float64x2List")                                          \ | 
 |   V(_FunctionTypeMirror, "_FunctionTypeMirror")                                \ | 
 |   V(_FutureListener, "_FutureListener")                                        \ | 
 |   V(_GrowableList, "_GrowableList")                                            \ | 
 |   V(_GrowableListFactory, "_GrowableList.")                                    \ | 
 |   V(_GrowableListFilledFactory, "_GrowableList.filled")                        \ | 
 |   V(_GrowableListGenerateFactory, "_GrowableList.generate")                    \ | 
 |   V(_GrowableListWithData, "_GrowableList._withData")                          \ | 
 |   V(_ImmutableList, "_ImmutableList")                                          \ | 
 |   V(_Int16ArrayFactory, "Int16List.")                                          \ | 
 |   V(_Int16ArrayView, "_Int16ArrayView")                                        \ | 
 |   V(_Int16List, "_Int16List")                                                  \ | 
 |   V(_Int32ArrayFactory, "Int32List.")                                          \ | 
 |   V(_Int32ArrayView, "_Int32ArrayView")                                        \ | 
 |   V(_Int32List, "_Int32List")                                                  \ | 
 |   V(_Int32x4, "_Int32x4")                                                      \ | 
 |   V(_Int32x4ArrayFactory, "Int32x4List.")                                      \ | 
 |   V(_Int32x4ArrayView, "_Int32x4ArrayView")                                    \ | 
 |   V(_Int32x4List, "_Int32x4List")                                              \ | 
 |   V(_Int64ArrayFactory, "Int64List.")                                          \ | 
 |   V(_Int64ArrayView, "_Int64ArrayView")                                        \ | 
 |   V(_Int64List, "_Int64List")                                                  \ | 
 |   V(_Int8ArrayFactory, "Int8List.")                                            \ | 
 |   V(_Int8ArrayView, "_Int8ArrayView")                                          \ | 
 |   V(_Int8List, "_Int8List")                                                    \ | 
 |   V(_IntegerImplementation, "_IntegerImplementation")                          \ | 
 |   V(_IsolateMirror, "_IsolateMirror")                                          \ | 
 |   V(_LibraryDependencyMirror, "_LibraryDependencyMirror")                      \ | 
 |   V(_LibraryMirror, "_LibraryMirror")                                          \ | 
 |   V(_LibraryPrefix, "_LibraryPrefix")                                          \ | 
 |   V(_LinkedHashMap, "_InternalLinkedHashMap")                                  \ | 
 |   V(_LinkedHashSet, "_CompactLinkedHashSet")                                   \ | 
 |   V(_List, "_List")                                                            \ | 
 |   V(_ListFactory, "_List.")                                                    \ | 
 |   V(_ListFilledFactory, "_List.filled")                                        \ | 
 |   V(_ListGenerateFactory, "_List.generate")                                    \ | 
 |   V(_MethodMirror, "_MethodMirror")                                            \ | 
 |   V(_Mint, "_Mint")                                                            \ | 
 |   V(_MirrorReference, "_MirrorReference")                                      \ | 
 |   V(_MirrorSystem, "_MirrorSystem")                                            \ | 
 |   V(_ParameterMirror, "_ParameterMirror")                                      \ | 
 |   V(_Random, "_Random")                                                        \ | 
 |   V(_RawReceivePortImpl, "_RawReceivePortImpl")                                \ | 
 |   V(_RegExp, "_RegExp")                                                        \ | 
 |   V(_SendPortImpl, "_SendPortImpl")                                            \ | 
 |   V(_Smi, "_Smi")                                                              \ | 
 |   V(_SourceLocation, "_SourceLocation")                                        \ | 
 |   V(_SpecialTypeMirror, "_SpecialTypeMirror")                                  \ | 
 |   V(_StackTrace, "_StackTrace")                                                \ | 
 |   V(_StreamController, "_StreamController")                                    \ | 
 |   V(_StreamImpl, "_StreamImpl")                                                \ | 
 |   V(_StreamIterator, "_StreamIterator")                                        \ | 
 |   V(_String, "String")                                                         \ | 
 |   V(_SyncIterable, "_SyncIterable")                                            \ | 
 |   V(_SyncIterableConstructor, "_SyncIterable.")                                \ | 
 |   V(_SyncIterator, "_SyncIterator")                                            \ | 
 |   V(_TransferableTypedDataImpl, "_TransferableTypedDataImpl")                  \ | 
 |   V(_Type, "_Type")                                                            \ | 
 |   V(_TypeParameter, "_TypeParameter")                                          \ | 
 |   V(_TypeRef, "_TypeRef")                                                      \ | 
 |   V(_TypeVariableMirror, "_TypeVariableMirror")                                \ | 
 |   V(_TypedefMirror, "_TypedefMirror")                                          \ | 
 |   V(_Uint16ArrayFactory, "Uint16List.")                                        \ | 
 |   V(_Uint16ArrayView, "_Uint16ArrayView")                                      \ | 
 |   V(_Uint16List, "_Uint16List")                                                \ | 
 |   V(_Uint32ArrayFactory, "Uint32List.")                                        \ | 
 |   V(_Uint32ArrayView, "_Uint32ArrayView")                                      \ | 
 |   V(_Uint32List, "_Uint32List")                                                \ | 
 |   V(_Uint64ArrayFactory, "Uint64List.")                                        \ | 
 |   V(_Uint64ArrayView, "_Uint64ArrayView")                                      \ | 
 |   V(_Uint64List, "_Uint64List")                                                \ | 
 |   V(_Uint8ArrayFactory, "Uint8List.")                                          \ | 
 |   V(_Uint8ArrayView, "_Uint8ArrayView")                                        \ | 
 |   V(_Uint8ClampedArrayFactory, "Uint8ClampedList.")                            \ | 
 |   V(_Uint8ClampedArrayView, "_Uint8ClampedArrayView")                          \ | 
 |   V(_Uint8ClampedList, "_Uint8ClampedList")                                    \ | 
 |   V(_Uint8List, "_Uint8List")                                                  \ | 
 |   V(_UserTag, "_UserTag")                                                      \ | 
 |   V(_Utf8Decoder, "_Utf8Decoder")                                              \ | 
 |   V(_VariableMirror, "_VariableMirror")                                        \ | 
 |   V(_WeakProperty, "_WeakProperty")                                            \ | 
 |   V(_classRangeCheck, "_classRangeCheck")                                      \ | 
 |   V(_current, "_current")                                                      \ | 
 |   V(_ensureScheduleImmediate, "_ensureScheduleImmediate")                      \ | 
 |   V(_future, "_future")                                                        \ | 
 |   V(_get, "_get")                                                              \ | 
 |   V(_handleMessage, "_handleMessage")                                          \ | 
 |   V(_instanceOf, "_instanceOf")                                                \ | 
 |   V(_lookupHandler, "_lookupHandler")                                          \ | 
 |   V(_lookupOpenPorts, "_lookupOpenPorts")                                      \ | 
 |   V(_name, "_name")                                                            \ | 
 |   V(_onData, "_onData")                                                        \ | 
 |   V(_rehashObjects, "_rehashObjects")                                          \ | 
 |   V(_resultOrListeners, "_resultOrListeners")                                  \ | 
 |   V(_runExtension, "_runExtension")                                            \ | 
 |   V(_runPendingImmediateCallback, "_runPendingImmediateCallback")              \ | 
 |   V(_scanFlags, "_scanFlags")                                                  \ | 
 |   V(_setLength, "_setLength")                                                  \ | 
 |   V(_simpleInstanceOf, "_simpleInstanceOf")                                    \ | 
 |   V(_simpleInstanceOfFalse, "_simpleInstanceOfFalse")                          \ | 
 |   V(_simpleInstanceOfTrue, "_simpleInstanceOfTrue")                            \ | 
 |   V(_stackTrace, "_stackTrace")                                                \ | 
 |   V(_state, "_state")                                                          \ | 
 |   V(_stateData, "_stateData")                                                  \ | 
 |   V(_varData, "_varData")                                                      \ | 
 |   V(_wordCharacterMap, "_wordCharacterMap")                                    \ | 
 |   V(add, "add")                                                                \ | 
 |   V(callback, "callback")                                                      \ | 
 |   V(capture_length, ":capture_length")                                         \ | 
 |   V(capture_start_index, ":capture_start_index")                               \ | 
 |   V(char_in_capture, ":char_in_capture")                                       \ | 
 |   V(char_in_match, ":char_in_match")                                           \ | 
 |   V(clear, "clear")                                                            \ | 
 |   V(controller, "controller")                                                  \ | 
 |   V(current_character, ":current_character")                                   \ | 
 |   V(current_position, ":current_position")                                     \ | 
 |   V(dynamic_assert_assignable_stc_check,                                       \ | 
 |     ":dynamic_assert_assignable_stc_check")                                    \ | 
 |   V(getID, "getID")                                                            \ | 
 |   V(hashCode, "get:hashCode")                                                  \ | 
 |   V(identityHashCode, "identityHashCode")                                      \ | 
 |   V(index_temp, ":index_temp")                                                 \ | 
 |   V(is_sync, ":is_sync")                                                       \ | 
 |   V(isPaused, "isPaused")                                                      \ | 
 |   V(isSync, "isSync")                                                          \ | 
 |   V(last, "last")                                                              \ | 
 |   V(match_end_index, ":match_end_index")                                       \ | 
 |   V(match_start_index, ":match_start_index")                                   \ | 
 |   V(name, "name")                                                              \ | 
 |   V(null, "null")                                                              \ | 
 |   V(options, "options")                                                        \ | 
 |   V(position_registers, ":position_registers")                                 \ | 
 |   V(print, "print")                                                            \ | 
 |   V(removeLast, "removeLast")                                                  \ | 
 |   V(c_result, ":result")                                                       \ | 
 |   V(result, "result")                                                          \ | 
 |   V(stack, ":stack")                                                           \ | 
 |   V(stack_pointer, ":stack_pointer")                                           \ | 
 |   V(start_index_param, ":start_index_param")                                   \ | 
 |   V(state, "state")                                                            \ | 
 |   V(string_param, ":string_param")                                             \ | 
 |   V(string_param_length, ":string_param_length")                               \ | 
 |   V(toString, "toString")                                                      \ | 
 |   V(vm_prefer_inline, "vm:prefer-inline")                                      \ | 
 |   V(vm_entry_point, "vm:entry-point")                                          \ | 
 |   V(vm_exact_result_type, "vm:exact-result-type")                              \ | 
 |   V(vm_inferred_type_metadata, "vm.inferred-type.metadata")                    \ | 
 |   V(vm_never_inline, "vm:never-inline")                                        \ | 
 |   V(vm_non_nullable_result_type, "vm:non-nullable-result-type")                \ | 
 |   V(vm_recognized, "vm:recognized")                                            \ | 
 |   V(vm_trace_entrypoints, "vm:testing.unsafe.trace-entrypoints-fn")            \ | 
 |   V(vm_procedure_attributes_metadata, "vm.procedure-attributes.metadata")      \ | 
 |   V(vm_ffi_struct_fields, "vm:ffi:struct-fields") | 
 |  | 
 | // Contains a list of frequently used strings in a canonicalized form. This | 
 | // list is kept in the vm_isolate in order to share the copy across isolates | 
 | // without having to maintain copies in each isolate. | 
 | class Symbols : public AllStatic { | 
 |  public: | 
 |   enum { kMaxOneCharCodeSymbol = 0xFF }; | 
 |  | 
 |   // List of strings that are pre created in the vm isolate. | 
 |   enum SymbolId { | 
 |     // clang-format off | 
 |     kIllegal = 0, | 
 |  | 
 | #define DEFINE_SYMBOL_INDEX(symbol, literal) k##symbol##Id, | 
 |     PREDEFINED_SYMBOLS_LIST(DEFINE_SYMBOL_INDEX) | 
 | #undef DEFINE_SYMBOL_INDEX | 
 |  | 
 |     kTokenTableStart,  // First token at kTokenTableStart + 1. | 
 |  | 
 | #define DEFINE_TOKEN_SYMBOL_INDEX(t, s, p, a) t##Id, | 
 |     DART_TOKEN_LIST(DEFINE_TOKEN_SYMBOL_INDEX) DART_KEYWORD_LIST( | 
 |         DEFINE_TOKEN_SYMBOL_INDEX) | 
 | #undef DEFINE_TOKEN_SYMBOL_INDEX | 
 |  | 
 |     kNullCharId,  // One char code symbol starts here and takes up 256 entries. | 
 |     kMaxPredefinedId = kNullCharId + kMaxOneCharCodeSymbol + 1, | 
 |     // clang-format on | 
 |   }; | 
 |  | 
 |   // Number of one character symbols being predefined in the predefined_ array. | 
 |   static const int kNumberOfOneCharCodeSymbols = | 
 |       (kMaxPredefinedId - kNullCharId); | 
 |  | 
 |   // Offset of Null character which is the predefined character symbol. | 
 |   static const int kNullCharCodeSymbolOffset = 0; | 
 |  | 
 |   static const String& Symbol(intptr_t index) { | 
 |     ASSERT((index > kIllegal) && (index < kMaxPredefinedId)); | 
 |     return *(symbol_handles_[index]); | 
 |   } | 
 |  | 
 |   // Access methods for one byte character symbols stored in the vm isolate. | 
 |   static const String& Dot() { return *(symbol_handles_[kNullCharId + '.']); } | 
 |   static const String& Equals() { | 
 |     return *(symbol_handles_[kNullCharId + '=']); | 
 |   } | 
 |   static const String& Plus() { return *(symbol_handles_[kNullCharId + '+']); } | 
 |   static const String& Minus() { return *(symbol_handles_[kNullCharId + '-']); } | 
 |   static const String& BitOr() { return *(symbol_handles_[kNullCharId + '|']); } | 
 |   static const String& BitAnd() { | 
 |     return *(symbol_handles_[kNullCharId + '&']); | 
 |   } | 
 |   static const String& LAngleBracket() { | 
 |     return *(symbol_handles_[kNullCharId + '<']); | 
 |   } | 
 |   static const String& RAngleBracket() { | 
 |     return *(symbol_handles_[kNullCharId + '>']); | 
 |   } | 
 |   static const String& LParen() { | 
 |     return *(symbol_handles_[kNullCharId + '(']); | 
 |   } | 
 |   static const String& RParen() { | 
 |     return *(symbol_handles_[kNullCharId + ')']); | 
 |   } | 
 |   static const String& LBracket() { | 
 |     return *(symbol_handles_[kNullCharId + '[']); | 
 |   } | 
 |   static const String& RBracket() { | 
 |     return *(symbol_handles_[kNullCharId + ']']); | 
 |   } | 
 |   static const String& LBrace() { | 
 |     return *(symbol_handles_[kNullCharId + '{']); | 
 |   } | 
 |   static const String& RBrace() { | 
 |     return *(symbol_handles_[kNullCharId + '}']); | 
 |   } | 
 |   static const String& Blank() { return *(symbol_handles_[kNullCharId + ' ']); } | 
 |   static const String& Dollar() { | 
 |     return *(symbol_handles_[kNullCharId + '$']); | 
 |   } | 
 |   static const String& NewLine() { | 
 |     return *(symbol_handles_[kNullCharId + '\n']); | 
 |   } | 
 |   static const String& DoubleQuote() { | 
 |     return *(symbol_handles_[kNullCharId + '"']); | 
 |   } | 
 |   static const String& SingleQuote() { | 
 |     return *(symbol_handles_[kNullCharId + '\'']); | 
 |   } | 
 |   static const String& LowercaseR() { | 
 |     return *(symbol_handles_[kNullCharId + 'r']); | 
 |   } | 
 |   static const String& Dash() { return *(symbol_handles_[kNullCharId + '-']); } | 
 |   static const String& Ampersand() { | 
 |     return *(symbol_handles_[kNullCharId + '&']); | 
 |   } | 
 |   static const String& Backtick() { | 
 |     return *(symbol_handles_[kNullCharId + '`']); | 
 |   } | 
 |   static const String& Slash() { return *(symbol_handles_[kNullCharId + '/']); } | 
 |   static const String& At() { return *(symbol_handles_[kNullCharId + '@']); } | 
 |   static const String& HashMark() { | 
 |     return *(symbol_handles_[kNullCharId + '#']); | 
 |   } | 
 |   static const String& Semicolon() { | 
 |     return *(symbol_handles_[kNullCharId + ';']); | 
 |   } | 
 |   static const String& Star() { return *(symbol_handles_[kNullCharId + '*']); } | 
 |   static const String& Percent() { | 
 |     return *(symbol_handles_[kNullCharId + '%']); | 
 |   } | 
 |   static const String& QuestionMark() { | 
 |     return *(symbol_handles_[kNullCharId + '?']); | 
 |   } | 
 |   static const String& Caret() { return *(symbol_handles_[kNullCharId + '^']); } | 
 |   static const String& Tilde() { return *(symbol_handles_[kNullCharId + '~']); } | 
 |  | 
 |   static const String& Empty() { return *(symbol_handles_[kTokenTableStart]); } | 
 |   static const String& False() { return *(symbol_handles_[kFALSEId]); } | 
 |   static const String& Library() { return *(symbol_handles_[kLIBRARYId]); } | 
 |   static const String& Super() { return *(symbol_handles_[kSUPERId]); } | 
 |   static const String& This() { return *(symbol_handles_[kTHISId]); } | 
 |   static const String& True() { return *(symbol_handles_[kTRUEId]); } | 
 |   static const String& Void() { return *(symbol_handles_[kVOIDId]); } | 
 |  | 
 | // Access methods for symbol handles stored in the vm isolate for predefined | 
 | // symbols. | 
 | #define DEFINE_SYMBOL_HANDLE_ACCESSOR(symbol, literal)                         \ | 
 |   static const String& symbol() { return *(symbol_handles_[k##symbol##Id]); } | 
 |   PREDEFINED_SYMBOLS_LIST(DEFINE_SYMBOL_HANDLE_ACCESSOR) | 
 | #undef DEFINE_SYMBOL_HANDLE_ACCESSOR | 
 |  | 
 | // Access methods for symbol handles stored in the vm isolate for keywords. | 
 | #define DEFINE_SYMBOL_HANDLE_ACCESSOR(t, s, p, a)                              \ | 
 |   static const String& t() { return *(symbol_handles_[t##Id]); } | 
 |   DART_TOKEN_LIST(DEFINE_SYMBOL_HANDLE_ACCESSOR) | 
 |   DART_KEYWORD_LIST(DEFINE_SYMBOL_HANDLE_ACCESSOR) | 
 | #undef DEFINE_SYMBOL_HANDLE_ACCESSOR | 
 |  | 
 |   // Get symbol for scanner token. | 
 |   static const String& Token(Token::Kind token); | 
 |  | 
 |   // Initialize frequently used symbols in the vm isolate. | 
 |   static void Init(Isolate* isolate); | 
 |   static void InitFromSnapshot(Isolate* isolate); | 
 |  | 
 |   // Initialize and setup a symbol table for the isolate. | 
 |   static void SetupSymbolTable(Isolate* isolate); | 
 |  | 
 |   // Creates a Symbol given a C string that is assumed to contain | 
 |   // UTF-8 encoded characters and '\0' is considered a termination character. | 
 |   // TODO(7123) - Rename this to FromCString(....). | 
 |   static StringPtr New(Thread* thread, const char* cstr) { | 
 |     return New(thread, cstr, strlen(cstr)); | 
 |   } | 
 |   static StringPtr New(Thread* thread, const char* cstr, intptr_t length); | 
 |  | 
 |   // Creates a new Symbol from an array of UTF-8 encoded characters. | 
 |   static StringPtr FromUTF8(Thread* thread, | 
 |                             const uint8_t* utf8_array, | 
 |                             intptr_t len); | 
 |  | 
 |   // Creates a new Symbol from an array of Latin-1 encoded characters. | 
 |   static StringPtr FromLatin1(Thread* thread, | 
 |                               const uint8_t* latin1_array, | 
 |                               intptr_t len); | 
 |  | 
 |   // Creates a new Symbol from an array of UTF-16 encoded characters. | 
 |   static StringPtr FromUTF16(Thread* thread, | 
 |                              const uint16_t* utf16_array, | 
 |                              intptr_t len); | 
 |  | 
 |   static StringPtr New(Thread* thread, const String& str); | 
 |   static StringPtr New(Thread* thread, | 
 |                        const String& str, | 
 |                        intptr_t begin_index, | 
 |                        intptr_t length); | 
 |  | 
 |   static StringPtr NewFormatted(Thread* thread, const char* format, ...) | 
 |       PRINTF_ATTRIBUTE(2, 3); | 
 |   static StringPtr NewFormattedV(Thread* thread, | 
 |                                  const char* format, | 
 |                                  va_list args); | 
 |  | 
 |   static StringPtr FromConcat(Thread* thread, | 
 |                               const String& str1, | 
 |                               const String& str2); | 
 |  | 
 |   static StringPtr FromConcatAll( | 
 |       Thread* thread, | 
 |       const GrowableHandlePtrArray<const String>& strs); | 
 |  | 
 |   static StringPtr FromGet(Thread* thread, const String& str); | 
 |   static StringPtr FromSet(Thread* thread, const String& str); | 
 |   static StringPtr FromDot(Thread* thread, const String& str); | 
 |  | 
 |   // Returns char* of predefined symbol. | 
 |   static const char* Name(SymbolId symbol); | 
 |  | 
 |   static StringPtr FromCharCode(Thread* thread, uint16_t char_code); | 
 |  | 
 |   static StringPtr* PredefinedAddress() { | 
 |     return reinterpret_cast<StringPtr*>(&predefined_); | 
 |   } | 
 |  | 
 |   static void DumpStats(Isolate* isolate); | 
 |   static void DumpTable(Isolate* isolate); | 
 |  | 
 |   // Returns Symbol::Null if no symbol is found. | 
 |   template <typename StringType> | 
 |   static StringPtr Lookup(Thread* thread, const StringType& str); | 
 |  | 
 |   // Returns Symbol::Null if no symbol is found. | 
 |   static StringPtr LookupFromConcat(Thread* thread, | 
 |                                     const String& str1, | 
 |                                     const String& str2); | 
 |  | 
 |   static StringPtr LookupFromGet(Thread* thread, const String& str); | 
 |   static StringPtr LookupFromSet(Thread* thread, const String& str); | 
 |   static StringPtr LookupFromDot(Thread* thread, const String& str); | 
 |  | 
 |   static void GetStats(Isolate* isolate, intptr_t* size, intptr_t* capacity); | 
 |  | 
 |  private: | 
 |   enum { kInitialVMIsolateSymtabSize = 1024, kInitialSymtabSize = 2048 }; | 
 |  | 
 |   template <typename StringType> | 
 |   static StringPtr NewSymbol(Thread* thread, const StringType& str); | 
 |  | 
 |   static intptr_t LookupPredefinedSymbol(ObjectPtr obj); | 
 |   static ObjectPtr GetPredefinedSymbol(intptr_t object_id); | 
 |   static bool IsPredefinedSymbolId(intptr_t object_id) { | 
 |     return (object_id >= kMaxPredefinedObjectIds && | 
 |             object_id < (kMaxPredefinedObjectIds + kMaxPredefinedId)); | 
 |   } | 
 |  | 
 |   // List of Latin1 characters stored in the vm isolate as symbols | 
 |   // in order to make Symbols::FromCharCode fast. This structure is | 
 |   // used in generated dart code for direct access to these objects. | 
 |   static StringPtr predefined_[kNumberOfOneCharCodeSymbols]; | 
 |  | 
 |   // List of handles for predefined symbols. | 
 |   static String* symbol_handles_[kMaxPredefinedId]; | 
 |  | 
 |   friend class Dart; | 
 |   friend class String; | 
 |   friend class SnapshotReader; | 
 |   friend class SnapshotWriter; | 
 |   friend class Serializer; | 
 |   friend class Deserializer; | 
 |   friend class ApiMessageReader; | 
 |  | 
 |   DISALLOW_COPY_AND_ASSIGN(Symbols); | 
 | }; | 
 |  | 
 | }  // namespace dart | 
 |  | 
 | #endif  // RUNTIME_VM_SYMBOLS_H_ |