Alexander Markov
da8cb470cc
Size of a large application:
Before: 26628600
After: 21480120 (-19.3%)
Size of snapshots:
isolate_snapshot_framework.bin
Before: 9322496
After: 6782976 (-27.2%)
isolate_snapshot_product_framework.bin
Before: 9166848
After: 6602752 (-27.9%)
Regressions in tests:
1) Test language_2/type_alias_equality_test/04 fails similarly to default mode, as VM
does not implement comparison of function types according to the specification.
Previously this test was passing as function types were canonicalized in bytecode,
which was not always correct. This CL fixes the problem with canonicalization of
function types in bytecode and the test starts failing again.
2) Tests standalone_2/entrypoints_verification_test, standalone_2/io/test_extension_test,
standalone_2/io/test_extension_fail_test fail as native extensions are not supported
in bytecode yet. These tests start passing after df5e7aac17,
which switched bytecode tests to kernel service (on x64), because kernel service doesn't
drop ASTs. This CL switches from reading AST library declarations to bytecode even if
AST is not removed, so tests fail again.
Change-Id: I8b7ba44bfa49d0b1599b2509553ff7c831a4e244
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/104700
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
717 lines
45 KiB
C++
717 lines
45 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_SYMBOLS_H_
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#define RUNTIME_VM_SYMBOLS_H_
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#include "vm/growable_array.h"
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#include "vm/object.h"
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#include "vm/snapshot_ids.h"
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namespace dart {
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// Forward declarations.
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class Isolate;
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class ObjectPointerVisitor;
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// One-character symbols are added implicitly.
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#define PREDEFINED_SYMBOLS_LIST(V) \
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V(AbstractClassInstantiationError, "AbstractClassInstantiationError") \
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V(AllocateInvocationMirror, "_allocateInvocationMirror") \
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V(AllocateInvocationMirrorForClosure, "_allocateInvocationMirrorForClosure") \
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V(AnonymousClosure, "<anonymous closure>") \
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V(AnonymousSignature, "<anonymous signature>") \
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V(ApiError, "ApiError") \
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V(ArgDescVar, ":arg_desc") \
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V(ArgumentError, "ArgumentError") \
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V(AssertionError, "_AssertionError") \
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V(AssignIndexToken, "[]=") \
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V(AsyncCompleter, ":async_completer") \
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V(AsyncOperation, ":async_op") \
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V(AsyncStackTraceVar, ":async_stack_trace") \
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V(AsyncStarMoveNextHelper, "_asyncStarMoveNextHelper") \
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V(AwaitContextVar, ":await_ctx_var") \
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V(AwaitJumpVar, ":await_jump_var") \
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V(Bool, "bool") \
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V(BooleanExpression, "boolean expression") \
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V(BoundsCheckForPartialInstantiation, "_boundsCheckForPartialInstantiation") \
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V(ByteData, "ByteData") \
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V(ByteDataDot, "ByteData.") \
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V(ByteDataDot_view, "ByteData._view") \
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V(Bytecode, "Bytecode") \
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V(Call, "call") \
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V(Cancel, "cancel") \
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V(CastError, "_CastError") \
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V(Class, "Class") \
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V(ClassID, "ClassID") \
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V(ClearAsyncThreadStackTrace, "_clearAsyncThreadStackTrace") \
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V(ClosureData, "ClosureData") \
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V(ClosureParameter, ":closure") \
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V(Code, "Code") \
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V(CodeSourceMap, "CodeSourceMap") \
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V(ColonMatcher, ":matcher") \
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V(CommaSpace, ", ") \
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V(Completer, "Completer") \
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V(CompleterFuture, "future") \
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V(CompleterGetFuture, "get:future") \
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V(CompleterSyncConstructor, "Completer.sync") \
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V(ConstructorStacktracePrefix, "new ") \
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V(Context, "Context") \
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V(ContextScope, "ContextScope") \
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V(ControllerStream, ":controller_stream") \
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V(Current, "current") \
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V(CurrentContextVar, ":current_context_var") \
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V(CyclicInitializationError, "CyclicInitializationError") \
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V(DartCollection, "dart:collection") \
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V(DartCore, "dart:core") \
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V(DartDeveloper, "dart:developer") \
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V(DartDeveloperCausalAsyncStacks, "dart.developer.causal_async_stacks") \
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V(DartDeveloperTimeline, "dart.developer.timeline") \
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V(DartExtensionScheme, "dart-ext:") \
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V(DartFfi, "dart:ffi") \
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V(DartFfiLibName, "ffi") \
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V(DartIOLibName, "dart.io") \
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V(DartInternal, "dart:_internal") \
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V(DartIsVM, "dart.isVM") \
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V(DartIsolate, "dart:isolate") \
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V(DartLibrary, "dart.library.") \
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V(DartLibraryFfi, "dart.library.ffi") \
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V(DartLibraryMirrors, "dart.library.mirrors") \
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V(DartMirrors, "dart:mirrors") \
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V(DartNativeWrappers, "dart:nativewrappers") \
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V(DartNativeWrappersLibName, "nativewrappers") \
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V(DartScheme, "dart:") \
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V(DartSchemePrivate, "dart:_") \
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V(DartTypedData, "dart:typed_data") \
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V(DartVMProduct, "dart.vm.product") \
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V(DartVMServiceIO, "dart:vmservice_io") \
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V(DartVMService, "dart:_vmservice") \
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V(DebugClassName, "#DebugClass") \
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V(DebugProcedureName, ":Eval") \
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V(Default, "Default") \
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V(DefaultLabel, ":L") \
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V(DotCreate, "._create") \
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V(DotRange, ".range") \
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V(DotValue, ".value") \
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V(DotWithType, "._withType") \
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V(Double, "double") \
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V(Dynamic, "dynamic") \
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V(DynamicPrefix, "dyn:") \
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V(EntryPointsTemp, ":entry_points_temp") \
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V(EqualOperator, "==") \
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V(Error, "Error") \
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V(EvalSourceUri, "evaluate:source") \
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V(EvaluateAssertion, "_evaluateAssertion") \
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V(ExceptionHandlers, "ExceptionHandlers") \
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V(ExceptionParameter, ":exception") \
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V(ExceptionVar, ":exception_var") \
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V(ExprTemp, ":expr_temp") \
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V(ExternalName, "ExternalName") \
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V(ExternalOneByteString, "_ExternalOneByteString") \
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V(ExternalTwoByteString, "_ExternalTwoByteString") \
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V(FactoryResult, "factory result") \
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V(FallThroughError, "FallThroughError") \
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V(FfiDouble, "Double") \
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V(FfiDynamicLibrary, "DynamicLibrary") \
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V(FfiFloat, "Float") \
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V(FfiInt16, "Int16") \
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V(FfiInt32, "Int32") \
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V(FfiInt64, "Int64") \
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V(FfiInt8, "Int8") \
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V(FfiIntPtr, "IntPtr") \
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V(FfiNativeFunction, "NativeFunction") \
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V(FfiNativeType, "NativeType") \
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V(FfiPointer, "Pointer") \
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V(FfiTrampolineData, "FfiTrampolineData") \
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V(FfiUint16, "Uint16") \
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V(FfiUint32, "Uint32") \
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V(FfiUint64, "Uint64") \
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V(FfiUint8, "Uint8") \
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V(FfiVoid, "Void") \
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V(Field, "Field") \
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V(FinallyRetVal, ":finally_ret_val") \
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V(Float32List, "Float32List") \
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V(Float32x4, "Float32x4") \
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V(Float32x4List, "Float32x4List") \
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V(Float64List, "Float64List") \
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V(Float64x2, "Float64x2") \
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V(Float64x2List, "Float64x2List") \
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V(FormatException, "FormatException") \
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V(ForwardingCorpse, "ForwardingCorpse") \
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V(FreeListElement, "FreeListElement") \
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V(Function, "Function") \
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V(FunctionResult, "function result") \
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V(FunctionTypeArgumentsVar, ":function_type_arguments_var") \
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V(Future, "Future") \
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V(FutureCatchError, "catchError") \
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V(FutureImpl, "_Future") \
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V(FutureMicrotask, "Future.microtask") \
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V(FutureOr, "FutureOr") \
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V(FutureThen, "then") \
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V(FutureValue, "Future.value") \
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V(Get, "get") \
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V(GetCall, "get:call") \
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V(GetRuntimeType, "get:runtimeType") \
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V(GetterPrefix, "get:") \
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V(GreaterEqualOperator, ">=") \
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V(GrowRegExpStack, "_growRegExpStack") \
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V(HandleExposedException, "_handleExposedException") \
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V(HaveSameRuntimeType, "_haveSameRuntimeType") \
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V(ICData, "ICData") \
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V(Identical, "identical") \
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V(ImmutableMap, "_ImmutableMap") \
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V(ImmutableMapConstructor, "_ImmutableMap._create") \
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V(InTypeCast, " in type cast") \
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V(Index, "index") \
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V(IndexToken, "[]") \
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V(InitPrefix, "init:") \
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V(Instructions, "Instructions") \
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V(Int, "int") \
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V(Int16List, "Int16List") \
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V(Int32List, "Int32List") \
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V(Int32x4, "Int32x4") \
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V(Int32x4List, "Int32x4List") \
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V(Int64List, "Int64List") \
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V(Int8List, "Int8List") \
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V(IntegerDivisionByZeroException, "IntegerDivisionByZeroException") \
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V(Interpolate, "_interpolate") \
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V(InterpolateSingle, "_interpolateSingle") \
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V(InvocationMirror, "_InvocationMirror") \
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V(IsolateSpawnException, "IsolateSpawnException") \
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V(Iterator, "iterator") \
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V(IteratorParameter, ":iterator") \
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V(KernelProgramInfo, "KernelProgramInfo") \
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V(LanguageError, "LanguageError") \
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V(LeftShiftOperator, "<<") \
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V(Length, "length") \
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V(GetLength, "get:length") \
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V(LessEqualOperator, "<=") \
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V(LibraryClass, "Library") \
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V(LibraryPrefix, "LibraryPrefix") \
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V(List, "List") \
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V(ListFactory, "List.") \
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V(ListLiteralFactory, "List._fromLiteral") \
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V(LoadLibrary, "loadLibrary") \
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V(LocalVarDescriptors, "LocalVarDescriptors") \
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V(Map, "Map") \
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V(MapLiteralFactory, "Map._fromLiteral") \
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V(MegamorphicCache, "MegamorphicCache") \
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V(MegamorphicMiss, "megamorphic_miss") \
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V(MoveNext, "moveNext") \
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V(Namespace, "Namespace") \
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V(Native, "native") \
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V(NoSuchMethod, "noSuchMethod") \
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V(NoSuchMethodError, "NoSuchMethodError") \
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V(NotInitialized, "<not initialized>") \
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V(NotNamed, "<not named>") \
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V(Null, "Null") \
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V(NullThrownError, "NullThrownError") \
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V(Number, "num") \
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V(Object, "Object") \
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V(ObjectPool, "ObjectPool") \
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V(OneByteString, "_OneByteString") \
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V(OptimizedOut, "<optimized out>") \
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V(OriginalParam, ":original:") \
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V(Other, "other") \
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V(OutOfMemoryError, "OutOfMemoryError") \
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V(PackageScheme, "package:") \
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V(ParameterTypeCheck, "ParameterTypeCheck") \
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V(Patch, "patch") \
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V(PatchClass, "PatchClass") \
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V(PcDescriptors, "PcDescriptors") \
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V(Pragma, "pragma") \
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V(PrependTypeArguments, "_prependTypeArguments") \
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V(QuoteIsNotASubtypeOf, "' is not a subtype of ") \
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V(RParenArrow, ") => ") \
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V(RangeError, "RangeError") \
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V(RedirectionData, "RedirectionData") \
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V(RegExp, "RegExp") \
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V(RightShiftOperator, ">>") \
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V(SavedTryContextVar, ":saved_try_context_var") \
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V(Script, "Script") \
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V(Set, "set") \
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V(SetAsyncThreadStackTrace, "_setAsyncThreadStackTrace") \
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V(SetterPrefix, "set:") \
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V(SignatureData, "SignatureData") \
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V(SingleTargetCache, "SingleTargetCache") \
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V(SpaceExtendsSpace, " extends ") \
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V(SpaceIsFromSpace, " is from ") \
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V(SpaceOfSpace, " of ") \
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V(SpaceWhereNewLine, " where\n") \
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V(StackMap, "StackMap") \
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V(StackOverflowError, "StackOverflowError") \
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V(StackTraceParameter, ":stack_trace") \
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V(StackTraceVar, ":stack_trace_var") \
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V(Stream, "stream") \
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V(StreamIterator, "StreamIterator") \
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V(StreamIteratorConstructor, "StreamIterator.") \
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V(StringBase, "_StringBase") \
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V(SubtypeTestCache, "SubtypeTestCache") \
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V(SwitchExpr, ":switch_expr") \
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V(Symbol, "Symbol") \
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V(SymbolCtor, "Symbol.") \
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V(ThrowNew, "_throwNew") \
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V(ThrowNewInvocation, "_throwNewInvocation") \
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V(TopLevel, "::") \
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V(TruncDivOperator, "~/") \
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V(TransferableTypedData, "TransferableTypedData") \
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V(TryFinallyReturnValue, ":try_finally_return_value") \
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V(TwoByteString, "_TwoByteString") \
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V(TwoSpaces, " ") \
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V(Type, "Type") \
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V(TypeArguments, "TypeArguments") \
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V(TypeArgumentsParameter, ":type_arguments") \
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V(TypeError, "_TypeError") \
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V(TypeQuote, "type '") \
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V(Uint16List, "Uint16List") \
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V(Uint32List, "Uint32List") \
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V(Uint64List, "Uint64List") \
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V(Uint8ClampedList, "Uint8ClampedList") \
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V(Uint8List, "Uint8List") \
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V(UnaryMinus, "unary-") \
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V(UnhandledException, "UnhandledException") \
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V(UnlinkedCall, "UnlinkedCall") \
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V(UnsafeCast, "unsafeCast") \
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V(UnsupportedError, "UnsupportedError") \
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V(UnwindError, "UnwindError") \
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V(Value, "value") \
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V(Values, "values") \
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V(YieldKw, "yield") \
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V(_AsyncAwaitCompleter, "_AsyncAwaitCompleter") \
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V(_AsyncAwaitCompleterConstructor, "_AsyncAwaitCompleter.") \
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V(_AsyncAwaitCompleterStart, "_AsyncAwaitCompleter.start") \
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V(_AsyncAwaitStart, "start") \
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V(_AsyncStarListenHelper, "_asyncStarListenHelper") \
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V(_AsyncStarStreamController, "_AsyncStarStreamController") \
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V(_AsyncStarStreamControllerConstructor, "_AsyncStarStreamController.") \
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V(_Awaiter, "_awaiter") \
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V(_ByteBuffer, "_ByteBuffer") \
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V(_ByteBufferDot_New, "_ByteBuffer._New") \
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V(_ByteDataView, "_ByteDataView") \
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V(_CapabilityImpl, "_CapabilityImpl") \
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V(_Closure, "_Closure") \
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V(_ClosureCall, "_Closure.call") \
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V(_CompileTimeError, "_CompileTimeError") \
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V(_CompleteOnAsyncReturn, "_completeOnAsyncReturn") \
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V(_DeletedEnumPrefix, "Deleted enum value from ") \
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V(_DeletedEnumSentinel, "_deleted_enum_sentinel") \
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V(_Double, "_Double") \
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V(_ExternalFloat32Array, "_ExternalFloat32Array") \
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V(_ExternalFloat32x4Array, "_ExternalFloat32x4Array") \
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V(_ExternalFloat64Array, "_ExternalFloat64Array") \
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V(_ExternalFloat64x2Array, "_ExternalFloat64x2Array") \
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V(_ExternalInt16Array, "_ExternalInt16Array") \
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V(_ExternalInt32Array, "_ExternalInt32Array") \
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V(_ExternalInt32x4Array, "_ExternalInt32x4Array") \
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V(_ExternalInt64Array, "_ExternalInt64Array") \
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V(_ExternalInt8Array, "_ExternalInt8Array") \
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V(_ExternalUint16Array, "_ExternalUint16Array") \
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V(_ExternalUint32Array, "_ExternalUint32Array") \
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V(_ExternalUint64Array, "_ExternalUint64Array") \
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V(_ExternalUint8Array, "_ExternalUint8Array") \
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V(_ExternalUint8ClampedArray, "_ExternalUint8ClampedArray") \
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V(_Float32ArrayFactory, "Float32List.") \
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V(_Float32ArrayView, "_Float32ArrayView") \
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V(_Float32List, "_Float32List") \
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V(_Float32x4, "_Float32x4") \
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V(_Float32x4ArrayFactory, "Float32x4List.") \
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V(_Float32x4ArrayView, "_Float32x4ArrayView") \
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V(_Float32x4List, "_Float32x4List") \
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V(_Float64ArrayFactory, "Float64List.") \
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V(_Float64ArrayView, "_Float64ArrayView") \
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V(_Float64List, "_Float64List") \
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V(_Float64x2, "_Float64x2") \
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V(_Float64x2ArrayFactory, "Float64x2List.") \
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V(_Float64x2ArrayView, "_Float64x2ArrayView") \
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V(_Float64x2List, "_Float64x2List") \
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V(_GrowableList, "_GrowableList") \
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V(_GrowableListFactory, "_GrowableList.") \
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V(_GrowableListWithData, "_GrowableList.withData") \
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V(_ImmutableList, "_ImmutableList") \
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V(_Int16ArrayFactory, "Int16List.") \
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V(_Int16ArrayView, "_Int16ArrayView") \
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V(_Int16List, "_Int16List") \
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V(_Int32ArrayFactory, "Int32List.") \
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V(_Int32ArrayView, "_Int32ArrayView") \
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V(_Int32List, "_Int32List") \
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V(_Int32x4, "_Int32x4") \
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V(_Int32x4ArrayFactory, "Int32x4List.") \
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V(_Int32x4ArrayView, "_Int32x4ArrayView") \
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V(_Int32x4List, "_Int32x4List") \
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V(_Int64ArrayFactory, "Int64List.") \
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V(_Int64ArrayView, "_Int64ArrayView") \
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V(_Int64List, "_Int64List") \
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V(_Int8ArrayFactory, "Int8List.") \
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V(_Int8ArrayView, "_Int8ArrayView") \
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V(_Int8List, "_Int8List") \
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V(_IntegerImplementation, "_IntegerImplementation") \
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V(_LibraryPrefix, "_LibraryPrefix") \
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V(_LinkedHashMap, "_InternalLinkedHashMap") \
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V(_LinkedHashSet, "_CompactLinkedHashSet") \
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V(_List, "_List") \
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V(_ListFactory, "_List.") \
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V(_LocalClassMirror, "_LocalClassMirror") \
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V(_LocalCombinatorMirror, "_LocalCombinatorMirror") \
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V(_LocalFunctionTypeMirror, "_LocalFunctionTypeMirror") \
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V(_LocalIsolateMirror, "_LocalIsolateMirror") \
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V(_LocalLibraryDependencyMirror, "_LocalLibraryDependencyMirror") \
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V(_LocalLibraryMirror, "_LocalLibraryMirror") \
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V(_LocalMethodMirror, "_LocalMethodMirror") \
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V(_LocalMirrorSystem, "_LocalMirrorSystem") \
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V(_LocalParameterMirror, "_LocalParameterMirror") \
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V(_LocalTypeVariableMirror, "_LocalTypeVariableMirror") \
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V(_LocalTypedefMirror, "_LocalTypedefMirror") \
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V(_LocalVariableMirror, "_LocalVariableMirror") \
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V(_Mint, "_Mint") \
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V(_MirrorReference, "_MirrorReference") \
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V(_Random, "_Random") \
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V(_RawReceivePortImpl, "_RawReceivePortImpl") \
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V(_RegExp, "_RegExp") \
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V(_SendPortImpl, "_SendPortImpl") \
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V(_TransferableTypedDataImpl, "_TransferableTypedDataImpl") \
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V(_Smi, "_Smi") \
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V(_SourceLocation, "_SourceLocation") \
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V(_SpecialTypeMirror, "_SpecialTypeMirror") \
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V(_StackTrace, "_StackTrace") \
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V(_StreamImpl, "_StreamImpl") \
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V(_String, "String") \
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V(_SyncIterable, "_SyncIterable") \
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V(_SyncIterableConstructor, "_SyncIterable.") \
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V(_SyncIterator, "_SyncIterator") \
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V(_Type, "_Type") \
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V(_TypeParameter, "_TypeParameter") \
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V(_TypeRef, "_TypeRef") \
|
|
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(_WeakProperty, "_WeakProperty") \
|
|
V(_classRangeCheck, "_classRangeCheck") \
|
|
V(_classRangeCheckNegative, "_classRangeCheckNegative") \
|
|
V(_current, "_current") \
|
|
V(_ensureScheduleImmediate, "_ensureScheduleImmediate") \
|
|
V(_get, "_get") \
|
|
V(_handleMessage, "_handleMessage") \
|
|
V(_instanceOf, "_instanceOf") \
|
|
V(_lookupHandler, "_lookupHandler") \
|
|
V(_name, "_name") \
|
|
V(_rehashObjects, "_rehashObjects") \
|
|
V(_runExtension, "_runExtension") \
|
|
V(_runPendingImmediateCallback, "_runPendingImmediateCallback") \
|
|
V(_setLength, "_setLength") \
|
|
V(_simpleInstanceOf, "_simpleInstanceOf") \
|
|
V(_simpleInstanceOfFalse, "_simpleInstanceOfFalse") \
|
|
V(_simpleInstanceOfTrue, "_simpleInstanceOfTrue") \
|
|
V(_stackTrace, "_stackTrace") \
|
|
V(_state, "_state") \
|
|
V(_wordCharacterMap, "_wordCharacterMap") \
|
|
V(add, "add") \
|
|
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(current_character, ":current_character") \
|
|
V(current_position, ":current_position") \
|
|
V(getID, "getID") \
|
|
V(hashCode, "get:hashCode") \
|
|
V(identityHashCode, "identityHashCode") \
|
|
V(index_temp, ":index_temp") \
|
|
V(isPaused, "isPaused") \
|
|
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(result, ":result") \
|
|
V(stack, ":stack") \
|
|
V(stack_pointer, ":stack_pointer") \
|
|
V(start_index_param, ":start_index_param") \
|
|
V(string_param, ":string_param") \
|
|
V(string_param_length, ":string_param_length") \
|
|
V(toString, "toString") \
|
|
V(vm_entry_point, "vm:entry-point") \
|
|
V(vm_exact_result_type, "vm:exact-result-type") \
|
|
V(vm_non_nullable_result_type, "vm:non-nullable-result-type") \
|
|
V(vm_trace_entrypoints, "vm:testing.unsafe.trace-entrypoints-fn")
|
|
|
|
// 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& 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);
|
|
|
|
// Treat the symbol table as weak and collect garbage.
|
|
static void Compact();
|
|
|
|
// 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 RawString* New(Thread* thread, const char* cstr) {
|
|
return New(thread, cstr, strlen(cstr));
|
|
}
|
|
static RawString* New(Thread* thread, const char* cstr, intptr_t length);
|
|
|
|
// Creates a new Symbol from an array of UTF-8 encoded characters.
|
|
static RawString* FromUTF8(Thread* thread,
|
|
const uint8_t* utf8_array,
|
|
intptr_t len);
|
|
|
|
// Creates a new Symbol from an array of Latin-1 encoded characters.
|
|
static RawString* FromLatin1(Thread* thread,
|
|
const uint8_t* latin1_array,
|
|
intptr_t len);
|
|
|
|
// Creates a new Symbol from an array of UTF-16 encoded characters.
|
|
static RawString* FromUTF16(Thread* thread,
|
|
const uint16_t* utf16_array,
|
|
intptr_t len);
|
|
|
|
// Creates a new Symbol from an array of UTF-32 encoded characters.
|
|
static RawString* FromUTF32(Thread* thread,
|
|
const int32_t* utf32_array,
|
|
intptr_t len);
|
|
|
|
static RawString* New(Thread* thread, const String& str);
|
|
static RawString* New(Thread* thread,
|
|
const String& str,
|
|
intptr_t begin_index,
|
|
intptr_t length);
|
|
|
|
static RawString* NewFormatted(Thread* thread, const char* format, ...)
|
|
PRINTF_ATTRIBUTE(2, 3);
|
|
static RawString* NewFormattedV(Thread* thread,
|
|
const char* format,
|
|
va_list args);
|
|
|
|
static RawString* FromConcat(Thread* thread,
|
|
const String& str1,
|
|
const String& str2);
|
|
|
|
static RawString* FromConcatAll(
|
|
Thread* thread,
|
|
const GrowableHandlePtrArray<const String>& strs);
|
|
|
|
static RawString* FromGet(Thread* thread, const String& str);
|
|
static RawString* FromSet(Thread* thread, const String& str);
|
|
static RawString* FromDot(Thread* thread, const String& str);
|
|
|
|
// Returns char* of predefined symbol.
|
|
static const char* Name(SymbolId symbol);
|
|
|
|
static RawString* FromCharCode(Thread* thread, int32_t char_code);
|
|
|
|
static RawString** PredefinedAddress() {
|
|
return reinterpret_cast<RawString**>(&predefined_);
|
|
}
|
|
|
|
static void DumpStats(Isolate* isolate);
|
|
static void DumpTable(Isolate* isolate);
|
|
|
|
// Returns Symbol::Null if no symbol is found.
|
|
template <typename StringType>
|
|
static RawString* Lookup(Thread* thread, const StringType& str);
|
|
|
|
// Returns Symbol::Null if no symbol is found.
|
|
static RawString* LookupFromConcat(Thread* thread,
|
|
const String& str1,
|
|
const String& str2);
|
|
|
|
static RawString* LookupFromGet(Thread* thread, const String& str);
|
|
static RawString* LookupFromSet(Thread* thread, const String& str);
|
|
static RawString* 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 RawString* NewSymbol(Thread* thread, const StringType& str);
|
|
|
|
static intptr_t LookupPredefinedSymbol(RawObject* obj);
|
|
static RawObject* 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 RawString* 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_
|