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main_repo / deps / v8 / src / runtime.h @ f230a1cf
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// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_RUNTIME_H_
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#define V8_RUNTIME_H_
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#include "allocation.h" |
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#include "zone.h" |
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namespace v8 {
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namespace internal {
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// The interface to C++ runtime functions.
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// ----------------------------------------------------------------------------
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// RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both
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// release and debug mode.
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// This macro should only be used by the macro RUNTIME_FUNCTION_LIST.
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// WARNING: RUNTIME_FUNCTION_LIST_ALWAYS_* is a very large macro that caused
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// MSVC Intellisense to crash. It was broken into two macros to work around
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// this problem. Please avoid large recursive macros whenever possible.
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#define RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
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/* Property access */ \
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F(GetProperty, 2, 1) \ |
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F(KeyedGetProperty, 2, 1) \ |
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F(DeleteProperty, 3, 1) \ |
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F(HasLocalProperty, 2, 1) \ |
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F(HasProperty, 2, 1) \ |
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F(HasElement, 2, 1) \ |
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F(IsPropertyEnumerable, 2, 1) \ |
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F(GetPropertyNames, 1, 1) \ |
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F(GetPropertyNamesFast, 1, 1) \ |
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F(GetLocalPropertyNames, 2, 1) \ |
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F(GetLocalElementNames, 1, 1) \ |
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F(GetInterceptorInfo, 1, 1) \ |
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F(GetNamedInterceptorPropertyNames, 1, 1) \ |
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F(GetIndexedInterceptorElementNames, 1, 1) \ |
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F(GetArgumentsProperty, 1, 1) \ |
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F(ToFastProperties, 1, 1) \ |
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F(FinishArrayPrototypeSetup, 1, 1) \ |
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F(SpecialArrayFunctions, 1, 1) \ |
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F(IsClassicModeFunction, 1, 1) \ |
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F(GetDefaultReceiver, 1, 1) \ |
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\ |
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F(GetPrototype, 1, 1) \ |
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F(SetPrototype, 2, 1) \ |
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F(IsInPrototypeChain, 2, 1) \ |
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\ |
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F(GetOwnProperty, 2, 1) \ |
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\ |
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F(IsExtensible, 1, 1) \ |
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F(PreventExtensions, 1, 1)\ |
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\ |
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/* Utilities */ \
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F(CheckIsBootstrapping, 0, 1) \ |
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F(GetRootNaN, 0, 1) \ |
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F(Call, -1 /* >= 2 */, 1) \ |
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F(Apply, 5, 1) \ |
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F(GetFunctionDelegate, 1, 1) \ |
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F(GetConstructorDelegate, 1, 1) \ |
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F(NewArgumentsFast, 3, 1) \ |
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F(NewStrictArgumentsFast, 3, 1) \ |
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F(LazyCompile, 1, 1) \ |
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F(LazyRecompile, 1, 1) \ |
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F(ConcurrentRecompile, 1, 1) \ |
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F(TryInstallRecompiledCode, 1, 1) \ |
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F(NotifyDeoptimized, 1, 1) \ |
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F(NotifyStubFailure, 0, 1) \ |
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F(DeoptimizeFunction, 1, 1) \ |
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F(ClearFunctionTypeFeedback, 1, 1) \ |
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F(RunningInSimulator, 0, 1) \ |
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F(IsConcurrentRecompilationSupported, 0, 1) \ |
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F(OptimizeFunctionOnNextCall, -1, 1) \ |
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F(NeverOptimizeFunction, 1, 1) \ |
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F(GetOptimizationStatus, -1, 1) \ |
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F(GetOptimizationCount, 1, 1) \ |
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F(UnblockConcurrentRecompilation, 0, 1) \ |
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F(CompileForOnStackReplacement, 2, 1) \ |
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F(SetAllocationTimeout, 2, 1) \ |
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F(AllocateInNewSpace, 1, 1) \ |
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F(AllocateInOldPointerSpace, 1, 1) \ |
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F(AllocateInOldDataSpace, 1, 1) \ |
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F(SetNativeFlag, 1, 1) \ |
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F(StoreArrayLiteralElement, 5, 1) \ |
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F(DebugCallbackSupportsStepping, 1, 1) \ |
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F(DebugPrepareStepInIfStepping, 1, 1) \ |
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F(FlattenString, 1, 1) \ |
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F(MigrateInstance, 1, 1) \ |
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F(NotifyContextDisposed, 0, 1) \ |
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\ |
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/* Array join support */ \
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F(PushIfAbsent, 2, 1) \ |
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F(ArrayConcat, 1, 1) \ |
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\ |
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/* Conversions */ \
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F(ToBool, 1, 1) \ |
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F(Typeof, 1, 1) \ |
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\ |
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F(StringToNumber, 1, 1) \ |
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F(StringParseInt, 2, 1) \ |
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F(StringParseFloat, 1, 1) \ |
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F(StringToLowerCase, 1, 1) \ |
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F(StringToUpperCase, 1, 1) \ |
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F(StringSplit, 3, 1) \ |
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F(CharFromCode, 1, 1) \ |
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F(URIEscape, 1, 1) \ |
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F(URIUnescape, 1, 1) \ |
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\ |
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F(NumberToString, 1, 1) \ |
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F(NumberToStringSkipCache, 1, 1) \ |
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F(NumberToInteger, 1, 1) \ |
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F(NumberToPositiveInteger, 1, 1) \ |
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F(NumberToIntegerMapMinusZero, 1, 1) \ |
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F(NumberToJSUint32, 1, 1) \ |
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F(NumberToJSInt32, 1, 1) \ |
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F(NumberToSmi, 1, 1) \ |
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F(AllocateHeapNumber, 0, 1) \ |
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\ |
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/* Arithmetic operations */ \
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F(NumberAdd, 2, 1) \ |
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F(NumberSub, 2, 1) \ |
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F(NumberMul, 2, 1) \ |
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F(NumberDiv, 2, 1) \ |
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F(NumberMod, 2, 1) \ |
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F(NumberUnaryMinus, 1, 1) \ |
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F(NumberAlloc, 0, 1) \ |
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F(NumberImul, 2, 1) \ |
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\ |
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F(StringAdd, 2, 1) \ |
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F(StringBuilderConcat, 3, 1) \ |
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F(StringBuilderJoin, 3, 1) \ |
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F(SparseJoinWithSeparator, 3, 1) \ |
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\ |
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/* Bit operations */ \
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F(NumberOr, 2, 1) \ |
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F(NumberAnd, 2, 1) \ |
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F(NumberXor, 2, 1) \ |
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\ |
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F(NumberShl, 2, 1) \ |
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F(NumberShr, 2, 1) \ |
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F(NumberSar, 2, 1) \ |
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\ |
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/* Comparisons */ \
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F(NumberEquals, 2, 1) \ |
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F(StringEquals, 2, 1) \ |
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\ |
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F(NumberCompare, 3, 1) \ |
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F(SmiLexicographicCompare, 2, 1) \ |
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F(StringCompare, 2, 1) \ |
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\ |
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/* Math */ \
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F(Math_acos, 1, 1) \ |
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F(Math_asin, 1, 1) \ |
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F(Math_atan, 1, 1) \ |
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F(Math_atan2, 2, 1) \ |
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F(Math_ceil, 1, 1) \ |
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F(Math_cos, 1, 1) \ |
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F(Math_exp, 1, 1) \ |
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F(Math_floor, 1, 1) \ |
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F(Math_log, 1, 1) \ |
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F(Math_pow, 2, 1) \ |
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F(Math_pow_cfunction, 2, 1) \ |
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F(RoundNumber, 1, 1) \ |
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F(Math_sin, 1, 1) \ |
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F(Math_sqrt, 1, 1) \ |
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F(Math_tan, 1, 1) \ |
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\ |
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/* Regular expressions */ \
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F(RegExpCompile, 3, 1) \ |
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F(RegExpExec, 4, 1) \ |
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F(RegExpExecMultiple, 4, 1) \ |
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F(RegExpInitializeObject, 5, 1) \ |
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F(RegExpConstructResult, 3, 1) \ |
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\ |
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/* JSON */ \
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F(ParseJson, 1, 1) \ |
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F(BasicJSONStringify, 1, 1) \ |
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F(QuoteJSONString, 1, 1) \ |
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\ |
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/* Strings */ \
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F(StringCharCodeAt, 2, 1) \ |
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F(StringIndexOf, 3, 1) \ |
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F(StringLastIndexOf, 3, 1) \ |
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F(StringLocaleCompare, 2, 1) \ |
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F(SubString, 3, 1) \ |
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F(StringReplaceGlobalRegExpWithString, 4, 1) \ |
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F(StringReplaceOneCharWithString, 3, 1) \ |
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F(StringMatch, 3, 1) \ |
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F(StringTrim, 3, 1) \ |
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F(StringToArray, 2, 1) \ |
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F(NewStringWrapper, 1, 1) \ |
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F(NewString, 2, 1) \ |
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F(TruncateString, 2, 1) \ |
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\ |
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/* Numbers */ \
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F(NumberToRadixString, 2, 1) \ |
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F(NumberToFixed, 2, 1) \ |
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F(NumberToExponential, 2, 1) \ |
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F(NumberToPrecision, 2, 1) \ |
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F(IsValidSmi, 1, 1) |
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#define RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
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/* Reflection */ \
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F(FunctionSetInstanceClassName, 2, 1) \ |
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F(FunctionSetLength, 2, 1) \ |
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F(FunctionSetPrototype, 2, 1) \ |
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F(FunctionSetReadOnlyPrototype, 1, 1) \ |
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F(FunctionGetName, 1, 1) \ |
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F(FunctionSetName, 2, 1) \ |
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F(FunctionNameShouldPrintAsAnonymous, 1, 1) \ |
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F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \ |
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F(FunctionIsGenerator, 1, 1) \ |
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F(FunctionBindArguments, 4, 1) \ |
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F(BoundFunctionGetBindings, 1, 1) \ |
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F(FunctionRemovePrototype, 1, 1) \ |
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F(FunctionGetSourceCode, 1, 1) \ |
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F(FunctionGetScript, 1, 1) \ |
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F(FunctionGetScriptSourcePosition, 1, 1) \ |
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F(FunctionGetPositionForOffset, 2, 1) \ |
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F(FunctionIsAPIFunction, 1, 1) \ |
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F(FunctionIsBuiltin, 1, 1) \ |
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F(GetScript, 1, 1) \ |
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F(CollectStackTrace, 3, 1) \ |
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F(GetAndClearOverflowedStackTrace, 1, 1) \ |
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F(GetV8Version, 0, 1) \ |
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\ |
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F(ClassOf, 1, 1) \ |
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F(SetCode, 2, 1) \ |
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F(SetExpectedNumberOfProperties, 2, 1) \ |
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\ |
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F(CreateApiFunction, 1, 1) \ |
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F(IsTemplate, 1, 1) \ |
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F(GetTemplateField, 2, 1) \ |
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F(DisableAccessChecks, 1, 1) \ |
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F(EnableAccessChecks, 1, 1) \ |
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F(SetAccessorProperty, 6, 1) \ |
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\ |
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/* Dates */ \
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F(DateCurrentTime, 0, 1) \ |
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F(DateParseString, 2, 1) \ |
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F(DateLocalTimezone, 1, 1) \ |
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F(DateToUTC, 1, 1) \ |
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F(DateMakeDay, 2, 1) \ |
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F(DateSetValue, 3, 1) \ |
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\ |
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/* Numbers */ \
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\ |
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/* Globals */ \
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F(CompileString, 2, 1) \ |
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F(GlobalPrint, 1, 1) \ |
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\ |
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/* Eval */ \
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F(GlobalReceiver, 1, 1) \ |
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F(ResolvePossiblyDirectEval, 5, 2) \ |
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\ |
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F(SetProperty, -1 /* 4 or 5 */, 1) \ |
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F(DefineOrRedefineDataProperty, 4, 1) \ |
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F(DefineOrRedefineAccessorProperty, 5, 1) \ |
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F(IgnoreAttributesAndSetProperty, -1 /* 3 or 4 */, 1) \ |
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F(GetDataProperty, 2, 1) \ |
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\ |
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/* Arrays */ \
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F(RemoveArrayHoles, 2, 1) \ |
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F(GetArrayKeys, 2, 1) \ |
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F(MoveArrayContents, 2, 1) \ |
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F(EstimateNumberOfElements, 1, 1) \ |
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F(ArrayConstructor, -1, 1) \ |
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F(InternalArrayConstructor, -1, 1) \ |
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\ |
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/* Getters and Setters */ \
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F(LookupAccessor, 3, 1) \ |
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\ |
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/* Literals */ \
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F(MaterializeRegExpLiteral, 4, 1)\ |
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F(CreateObjectLiteral, 4, 1) \ |
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F(CreateArrayLiteral, 3, 1) \ |
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F(CreateArrayLiteralShallow, 3, 1) \ |
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\ |
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/* Harmony generators */ \
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F(CreateJSGeneratorObject, 0, 1) \ |
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F(SuspendJSGeneratorObject, 1, 1) \ |
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F(ResumeJSGeneratorObject, 3, 1) \ |
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F(ThrowGeneratorStateError, 1, 1) \ |
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\ |
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/* ES5 */ \
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F(ObjectFreeze, 1, 1) \ |
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\ |
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/* Harmony modules */ \
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F(IsJSModule, 1, 1) \ |
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\ |
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/* Harmony symbols */ \
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F(CreateSymbol, 1, 1) \ |
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F(SymbolName, 1, 1) \ |
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\ |
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/* Harmony proxies */ \
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F(CreateJSProxy, 2, 1) \ |
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F(CreateJSFunctionProxy, 4, 1) \ |
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F(IsJSProxy, 1, 1) \ |
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F(IsJSFunctionProxy, 1, 1) \ |
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F(GetHandler, 1, 1) \ |
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F(GetCallTrap, 1, 1) \ |
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F(GetConstructTrap, 1, 1) \ |
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F(Fix, 1, 1) \ |
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\ |
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/* Harmony sets */ \
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F(SetInitialize, 1, 1) \ |
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F(SetAdd, 2, 1) \ |
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F(SetHas, 2, 1) \ |
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F(SetDelete, 2, 1) \ |
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F(SetGetSize, 1, 1) \ |
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\ |
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/* Harmony maps */ \
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F(MapInitialize, 1, 1) \ |
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F(MapGet, 2, 1) \ |
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F(MapHas, 2, 1) \ |
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F(MapDelete, 2, 1) \ |
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F(MapSet, 3, 1) \ |
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F(MapGetSize, 1, 1) \ |
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\ |
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/* Harmony weak maps and sets */ \
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F(WeakCollectionInitialize, 1, 1) \ |
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F(WeakCollectionGet, 2, 1) \ |
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F(WeakCollectionHas, 2, 1) \ |
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F(WeakCollectionDelete, 2, 1) \ |
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F(WeakCollectionSet, 3, 1) \ |
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\ |
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/* Harmony observe */ \
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F(IsObserved, 1, 1) \ |
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F(SetIsObserved, 1, 1) \ |
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F(SetObserverDeliveryPending, 0, 1) \ |
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F(GetObservationState, 0, 1) \ |
| 358 |
F(ObservationWeakMapCreate, 0, 1) \ |
| 359 |
F(UnwrapGlobalProxy, 1, 1) \ |
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F(IsAccessAllowedForObserver, 3, 1) \ |
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\ |
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/* Harmony typed arrays */ \
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F(ArrayBufferInitialize, 2, 1)\ |
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F(ArrayBufferGetByteLength, 1, 1)\ |
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F(ArrayBufferSliceImpl, 3, 1) \ |
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F(ArrayBufferIsView, 1, 1) \ |
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\ |
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F(TypedArrayInitialize, 5, 1) \ |
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F(TypedArrayInitializeFromArrayLike, 4, 1) \ |
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F(TypedArrayGetBuffer, 1, 1) \ |
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F(TypedArrayGetByteLength, 1, 1) \ |
| 372 |
F(TypedArrayGetByteOffset, 1, 1) \ |
| 373 |
F(TypedArrayGetLength, 1, 1) \ |
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F(TypedArraySetFastCases, 3, 1) \ |
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\ |
| 376 |
F(DataViewInitialize, 4, 1) \ |
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F(DataViewGetBuffer, 1, 1) \ |
| 378 |
F(DataViewGetByteLength, 1, 1) \ |
| 379 |
F(DataViewGetByteOffset, 1, 1) \ |
| 380 |
F(DataViewGetInt8, 3, 1) \ |
| 381 |
F(DataViewGetUint8, 3, 1) \ |
| 382 |
F(DataViewGetInt16, 3, 1) \ |
| 383 |
F(DataViewGetUint16, 3, 1) \ |
| 384 |
F(DataViewGetInt32, 3, 1) \ |
| 385 |
F(DataViewGetUint32, 3, 1) \ |
| 386 |
F(DataViewGetFloat32, 3, 1) \ |
| 387 |
F(DataViewGetFloat64, 3, 1) \ |
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\ |
| 389 |
F(DataViewSetInt8, 4, 1) \ |
| 390 |
F(DataViewSetUint8, 4, 1) \ |
| 391 |
F(DataViewSetInt16, 4, 1) \ |
| 392 |
F(DataViewSetUint16, 4, 1) \ |
| 393 |
F(DataViewSetInt32, 4, 1) \ |
| 394 |
F(DataViewSetUint32, 4, 1) \ |
| 395 |
F(DataViewSetFloat32, 4, 1) \ |
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F(DataViewSetFloat64, 4, 1) \ |
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\ |
| 398 |
/* Statements */ \
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| 399 |
F(NewClosure, 3, 1) \ |
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F(NewClosureFromStubFailure, 1, 1) \ |
| 401 |
F(NewObject, 1, 1) \ |
| 402 |
F(NewObjectFromBound, 1, 1) \ |
| 403 |
F(FinalizeInstanceSize, 1, 1) \ |
| 404 |
F(Throw, 1, 1) \ |
| 405 |
F(ReThrow, 1, 1) \ |
| 406 |
F(ThrowReferenceError, 1, 1) \ |
| 407 |
F(ThrowNotDateError, 0, 1) \ |
| 408 |
F(StackGuard, 0, 1) \ |
| 409 |
F(Interrupt, 0, 1) \ |
| 410 |
F(PromoteScheduledException, 0, 1) \ |
| 411 |
\ |
| 412 |
/* Contexts */ \
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| 413 |
F(NewGlobalContext, 2, 1) \ |
| 414 |
F(NewFunctionContext, 1, 1) \ |
| 415 |
F(PushWithContext, 2, 1) \ |
| 416 |
F(PushCatchContext, 3, 1) \ |
| 417 |
F(PushBlockContext, 2, 1) \ |
| 418 |
F(PushModuleContext, 2, 1) \ |
| 419 |
F(DeleteContextSlot, 2, 1) \ |
| 420 |
F(LoadContextSlot, 2, 2) \ |
| 421 |
F(LoadContextSlotNoReferenceError, 2, 2) \ |
| 422 |
F(StoreContextSlot, 4, 1) \ |
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\ |
| 424 |
/* Declarations and initialization */ \
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| 425 |
F(DeclareGlobals, 3, 1) \ |
| 426 |
F(DeclareModules, 1, 1) \ |
| 427 |
F(DeclareContextSlot, 4, 1) \ |
| 428 |
F(InitializeVarGlobal, -1 /* 2 or 3 */, 1) \ |
| 429 |
F(InitializeConstGlobal, 2, 1) \ |
| 430 |
F(InitializeConstContextSlot, 3, 1) \ |
| 431 |
F(OptimizeObjectForAddingMultipleProperties, 2, 1) \ |
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\ |
| 433 |
/* Debugging */ \
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| 434 |
F(DebugPrint, 1, 1) \ |
| 435 |
F(DebugTrace, 0, 1) \ |
| 436 |
F(TraceEnter, 0, 1) \ |
| 437 |
F(TraceExit, 1, 1) \ |
| 438 |
F(Abort, 2, 1) \ |
| 439 |
/* Logging */ \
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| 440 |
F(Log, 2, 1) \ |
| 441 |
/* ES5 */ \
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| 442 |
F(LocalKeys, 1, 1) \ |
| 443 |
/* Cache suport */ \
|
| 444 |
F(GetFromCache, 2, 1) \ |
| 445 |
\ |
| 446 |
/* Message objects */ \
|
| 447 |
F(MessageGetStartPosition, 1, 1) \ |
| 448 |
F(MessageGetScript, 1, 1) \ |
| 449 |
\ |
| 450 |
/* Pseudo functions - handled as macros by parser */ \
|
| 451 |
F(IS_VAR, 1, 1) \ |
| 452 |
\ |
| 453 |
/* expose boolean functions from objects-inl.h */ \
|
| 454 |
F(HasFastSmiElements, 1, 1) \ |
| 455 |
F(HasFastSmiOrObjectElements, 1, 1) \ |
| 456 |
F(HasFastObjectElements, 1, 1) \ |
| 457 |
F(HasFastDoubleElements, 1, 1) \ |
| 458 |
F(HasFastHoleyElements, 1, 1) \ |
| 459 |
F(HasDictionaryElements, 1, 1) \ |
| 460 |
F(HasNonStrictArgumentsElements, 1, 1) \ |
| 461 |
F(HasExternalPixelElements, 1, 1) \ |
| 462 |
F(HasExternalArrayElements, 1, 1) \ |
| 463 |
F(HasExternalByteElements, 1, 1) \ |
| 464 |
F(HasExternalUnsignedByteElements, 1, 1) \ |
| 465 |
F(HasExternalShortElements, 1, 1) \ |
| 466 |
F(HasExternalUnsignedShortElements, 1, 1) \ |
| 467 |
F(HasExternalIntElements, 1, 1) \ |
| 468 |
F(HasExternalUnsignedIntElements, 1, 1) \ |
| 469 |
F(HasExternalFloatElements, 1, 1) \ |
| 470 |
F(HasExternalDoubleElements, 1, 1) \ |
| 471 |
F(HasFastProperties, 1, 1) \ |
| 472 |
F(TransitionElementsKind, 2, 1) \ |
| 473 |
F(HaveSameMap, 2, 1) \ |
| 474 |
F(IsAccessCheckNeeded, 1, 1) |
| 475 |
|
| 476 |
|
| 477 |
#ifdef ENABLE_DEBUGGER_SUPPORT
|
| 478 |
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
|
| 479 |
/* Debugger support*/ \
|
| 480 |
F(DebugBreak, 0, 1) \ |
| 481 |
F(SetDebugEventListener, 2, 1) \ |
| 482 |
F(Break, 0, 1) \ |
| 483 |
F(DebugGetPropertyDetails, 2, 1) \ |
| 484 |
F(DebugGetProperty, 2, 1) \ |
| 485 |
F(DebugPropertyTypeFromDetails, 1, 1) \ |
| 486 |
F(DebugPropertyAttributesFromDetails, 1, 1) \ |
| 487 |
F(DebugPropertyIndexFromDetails, 1, 1) \ |
| 488 |
F(DebugNamedInterceptorPropertyValue, 2, 1) \ |
| 489 |
F(DebugIndexedInterceptorElementValue, 2, 1) \ |
| 490 |
F(CheckExecutionState, 1, 1) \ |
| 491 |
F(GetFrameCount, 1, 1) \ |
| 492 |
F(GetFrameDetails, 2, 1) \ |
| 493 |
F(GetScopeCount, 2, 1) \ |
| 494 |
F(GetStepInPositions, 2, 1) \ |
| 495 |
F(GetScopeDetails, 4, 1) \ |
| 496 |
F(GetFunctionScopeCount, 1, 1) \ |
| 497 |
F(GetFunctionScopeDetails, 2, 1) \ |
| 498 |
F(SetScopeVariableValue, 6, 1) \ |
| 499 |
F(DebugPrintScopes, 0, 1) \ |
| 500 |
F(GetThreadCount, 1, 1) \ |
| 501 |
F(GetThreadDetails, 2, 1) \ |
| 502 |
F(SetDisableBreak, 1, 1) \ |
| 503 |
F(GetBreakLocations, 2, 1) \ |
| 504 |
F(SetFunctionBreakPoint, 3, 1) \ |
| 505 |
F(SetScriptBreakPoint, 4, 1) \ |
| 506 |
F(ClearBreakPoint, 1, 1) \ |
| 507 |
F(ChangeBreakOnException, 2, 1) \ |
| 508 |
F(IsBreakOnException, 1, 1) \ |
| 509 |
F(PrepareStep, 4, 1) \ |
| 510 |
F(ClearStepping, 0, 1) \ |
| 511 |
F(DebugEvaluate, 6, 1) \ |
| 512 |
F(DebugEvaluateGlobal, 4, 1) \ |
| 513 |
F(DebugGetLoadedScripts, 0, 1) \ |
| 514 |
F(DebugReferencedBy, 3, 1) \ |
| 515 |
F(DebugConstructedBy, 2, 1) \ |
| 516 |
F(DebugGetPrototype, 1, 1) \ |
| 517 |
F(DebugSetScriptSource, 2, 1) \ |
| 518 |
F(SystemBreak, 0, 1) \ |
| 519 |
F(DebugDisassembleFunction, 1, 1) \ |
| 520 |
F(DebugDisassembleConstructor, 1, 1) \ |
| 521 |
F(FunctionGetInferredName, 1, 1) \ |
| 522 |
F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \ |
| 523 |
F(LiveEditGatherCompileInfo, 2, 1) \ |
| 524 |
F(LiveEditReplaceScript, 3, 1) \ |
| 525 |
F(LiveEditReplaceFunctionCode, 2, 1) \ |
| 526 |
F(LiveEditFunctionSourceUpdated, 1, 1) \ |
| 527 |
F(LiveEditFunctionSetScript, 2, 1) \ |
| 528 |
F(LiveEditReplaceRefToNestedFunction, 3, 1) \ |
| 529 |
F(LiveEditPatchFunctionPositions, 2, 1) \ |
| 530 |
F(LiveEditCheckAndDropActivations, 2, 1) \ |
| 531 |
F(LiveEditCompareStrings, 2, 1) \ |
| 532 |
F(LiveEditRestartFrame, 2, 1) \ |
| 533 |
F(GetFunctionCodePositionFromSource, 2, 1) \ |
| 534 |
F(ExecuteInDebugContext, 2, 1) \ |
| 535 |
\ |
| 536 |
F(SetFlags, 1, 1) \ |
| 537 |
F(CollectGarbage, 1, 1) \ |
| 538 |
F(GetHeapUsage, 0, 1) \ |
| 539 |
|
| 540 |
#else
|
| 541 |
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
|
| 542 |
#endif
|
| 543 |
|
| 544 |
|
| 545 |
#ifdef V8_I18N_SUPPORT
|
| 546 |
#define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
|
| 547 |
/* i18n support */ \
|
| 548 |
/* Standalone, helper methods. */ \
|
| 549 |
F(CanonicalizeLanguageTag, 1, 1) \ |
| 550 |
F(AvailableLocalesOf, 1, 1) \ |
| 551 |
F(GetDefaultICULocale, 0, 1) \ |
| 552 |
F(GetLanguageTagVariants, 1, 1) \ |
| 553 |
\ |
| 554 |
/* Date format and parse. */ \
|
| 555 |
F(CreateDateTimeFormat, 3, 1) \ |
| 556 |
F(InternalDateFormat, 2, 1) \ |
| 557 |
F(InternalDateParse, 2, 1) \ |
| 558 |
\ |
| 559 |
/* Number format and parse. */ \
|
| 560 |
F(CreateNumberFormat, 3, 1) \ |
| 561 |
F(InternalNumberFormat, 2, 1) \ |
| 562 |
F(InternalNumberParse, 2, 1) \ |
| 563 |
\ |
| 564 |
/* Collator. */ \
|
| 565 |
F(CreateCollator, 3, 1) \ |
| 566 |
F(InternalCompare, 3, 1) \ |
| 567 |
\ |
| 568 |
/* Break iterator. */ \
|
| 569 |
F(CreateBreakIterator, 3, 1) \ |
| 570 |
F(BreakIteratorAdoptText, 2, 1) \ |
| 571 |
F(BreakIteratorFirst, 1, 1) \ |
| 572 |
F(BreakIteratorNext, 1, 1) \ |
| 573 |
F(BreakIteratorCurrent, 1, 1) \ |
| 574 |
F(BreakIteratorBreakType, 1, 1) \ |
| 575 |
|
| 576 |
#else
|
| 577 |
#define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
|
| 578 |
#endif
|
| 579 |
|
| 580 |
|
| 581 |
#ifdef DEBUG
|
| 582 |
#define RUNTIME_FUNCTION_LIST_DEBUG(F) \
|
| 583 |
/* Testing */ \
|
| 584 |
F(ListNatives, 0, 1) |
| 585 |
#else
|
| 586 |
#define RUNTIME_FUNCTION_LIST_DEBUG(F)
|
| 587 |
#endif
|
| 588 |
|
| 589 |
// ----------------------------------------------------------------------------
|
| 590 |
// RUNTIME_FUNCTION_LIST defines all runtime functions accessed
|
| 591 |
// either directly by id (via the code generator), or indirectly
|
| 592 |
// via a native call by name (from within JS code).
|
| 593 |
|
| 594 |
#define RUNTIME_FUNCTION_LIST(F) \
|
| 595 |
RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \ |
| 596 |
RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \ |
| 597 |
RUNTIME_FUNCTION_LIST_DEBUG(F) \ |
| 598 |
RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \ |
| 599 |
RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) |
| 600 |
|
| 601 |
// ----------------------------------------------------------------------------
|
| 602 |
// INLINE_FUNCTION_LIST defines all inlined functions accessed
|
| 603 |
// with a native call of the form %_name from within JS code.
|
| 604 |
// Entries have the form F(name, number of arguments, number of return values).
|
| 605 |
#define INLINE_FUNCTION_LIST(F) \
|
| 606 |
F(IsSmi, 1, 1) \ |
| 607 |
F(IsNonNegativeSmi, 1, 1) \ |
| 608 |
F(IsArray, 1, 1) \ |
| 609 |
F(IsRegExp, 1, 1) \ |
| 610 |
F(IsConstructCall, 0, 1) \ |
| 611 |
F(CallFunction, -1 /* receiver + n args + function */, 1) \ |
| 612 |
F(ArgumentsLength, 0, 1) \ |
| 613 |
F(Arguments, 1, 1) \ |
| 614 |
F(ValueOf, 1, 1) \ |
| 615 |
F(SetValueOf, 2, 1) \ |
| 616 |
F(DateField, 2 /* date object, field index */, 1) \ |
| 617 |
F(StringCharFromCode, 1, 1) \ |
| 618 |
F(StringCharAt, 2, 1) \ |
| 619 |
F(OneByteSeqStringSetChar, 3, 1) \ |
| 620 |
F(TwoByteSeqStringSetChar, 3, 1) \ |
| 621 |
F(ObjectEquals, 2, 1) \ |
| 622 |
F(RandomHeapNumber, 0, 1) \ |
| 623 |
F(IsObject, 1, 1) \ |
| 624 |
F(IsFunction, 1, 1) \ |
| 625 |
F(IsUndetectableObject, 1, 1) \ |
| 626 |
F(IsSpecObject, 1, 1) \ |
| 627 |
F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \ |
| 628 |
F(MathPow, 2, 1) \ |
| 629 |
F(MathSin, 1, 1) \ |
| 630 |
F(MathCos, 1, 1) \ |
| 631 |
F(MathTan, 1, 1) \ |
| 632 |
F(MathSqrt, 1, 1) \ |
| 633 |
F(MathLog, 1, 1) \ |
| 634 |
F(IsRegExpEquivalent, 2, 1) \ |
| 635 |
F(HasCachedArrayIndex, 1, 1) \ |
| 636 |
F(GetCachedArrayIndex, 1, 1) \ |
| 637 |
F(FastAsciiArrayJoin, 2, 1) \ |
| 638 |
F(GeneratorNext, 2, 1) \ |
| 639 |
F(GeneratorThrow, 2, 1) \ |
| 640 |
F(DebugBreakInOptimizedCode, 0, 1) |
| 641 |
|
| 642 |
|
| 643 |
// ----------------------------------------------------------------------------
|
| 644 |
// INLINE_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
|
| 645 |
// with a native call of the form %_name from within JS code that also have
|
| 646 |
// a corresponding runtime function, that is called for slow cases.
|
| 647 |
// Entries have the form F(name, number of arguments, number of return values).
|
| 648 |
#define INLINE_RUNTIME_FUNCTION_LIST(F) \
|
| 649 |
F(ClassOf, 1, 1) \ |
| 650 |
F(StringCharCodeAt, 2, 1) \ |
| 651 |
F(Log, 3, 1) \ |
| 652 |
F(StringAdd, 2, 1) \ |
| 653 |
F(SubString, 3, 1) \ |
| 654 |
F(StringCompare, 2, 1) \ |
| 655 |
F(RegExpExec, 4, 1) \ |
| 656 |
F(RegExpConstructResult, 3, 1) \ |
| 657 |
F(GetFromCache, 2, 1) \ |
| 658 |
F(NumberToString, 1, 1) |
| 659 |
|
| 660 |
|
| 661 |
//---------------------------------------------------------------------------
|
| 662 |
// Runtime provides access to all C++ runtime functions.
|
| 663 |
|
| 664 |
class RuntimeState {
|
| 665 |
public:
|
| 666 |
StaticResource<ConsStringIteratorOp>* string_iterator() {
|
| 667 |
return &string_iterator_;
|
| 668 |
} |
| 669 |
unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
|
| 670 |
return &to_upper_mapping_;
|
| 671 |
} |
| 672 |
unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
|
| 673 |
return &to_lower_mapping_;
|
| 674 |
} |
| 675 |
ConsStringIteratorOp* string_iterator_compare_x() {
|
| 676 |
return &string_iterator_compare_x_;
|
| 677 |
} |
| 678 |
ConsStringIteratorOp* string_iterator_compare_y() {
|
| 679 |
return &string_iterator_compare_y_;
|
| 680 |
} |
| 681 |
ConsStringIteratorOp* string_locale_compare_it1() {
|
| 682 |
return &string_locale_compare_it1_;
|
| 683 |
} |
| 684 |
ConsStringIteratorOp* string_locale_compare_it2() {
|
| 685 |
return &string_locale_compare_it2_;
|
| 686 |
} |
| 687 |
|
| 688 |
private:
|
| 689 |
RuntimeState() {}
|
| 690 |
// Non-reentrant string buffer for efficient general use in the runtime.
|
| 691 |
StaticResource<ConsStringIteratorOp> string_iterator_; |
| 692 |
unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
|
| 693 |
unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
|
| 694 |
ConsStringIteratorOp string_iterator_compare_x_; |
| 695 |
ConsStringIteratorOp string_iterator_compare_y_; |
| 696 |
ConsStringIteratorOp string_locale_compare_it1_; |
| 697 |
ConsStringIteratorOp string_locale_compare_it2_; |
| 698 |
|
| 699 |
friend class Isolate; |
| 700 |
friend class Runtime; |
| 701 |
|
| 702 |
DISALLOW_COPY_AND_ASSIGN(RuntimeState); |
| 703 |
}; |
| 704 |
|
| 705 |
|
| 706 |
class Runtime : public AllStatic {
|
| 707 |
public:
|
| 708 |
enum FunctionId {
|
| 709 |
#define F(name, nargs, ressize) k##name, |
| 710 |
RUNTIME_FUNCTION_LIST(F) |
| 711 |
#undef F
|
| 712 |
#define F(name, nargs, ressize) kInline##name, |
| 713 |
INLINE_FUNCTION_LIST(F) |
| 714 |
INLINE_RUNTIME_FUNCTION_LIST(F) |
| 715 |
#undef F
|
| 716 |
kNumFunctions, |
| 717 |
kFirstInlineFunction = kInlineIsSmi |
| 718 |
}; |
| 719 |
|
| 720 |
enum IntrinsicType {
|
| 721 |
RUNTIME, |
| 722 |
INLINE |
| 723 |
}; |
| 724 |
|
| 725 |
// Intrinsic function descriptor.
|
| 726 |
struct Function {
|
| 727 |
FunctionId function_id; |
| 728 |
IntrinsicType intrinsic_type; |
| 729 |
// The JS name of the function.
|
| 730 |
const char* name; |
| 731 |
|
| 732 |
// The C++ (native) entry point. NULL if the function is inlined.
|
| 733 |
byte* entry; |
| 734 |
|
| 735 |
// The number of arguments expected. nargs is -1 if the function takes
|
| 736 |
// a variable number of arguments.
|
| 737 |
int nargs;
|
| 738 |
// Size of result. Most functions return a single pointer, size 1.
|
| 739 |
int result_size;
|
| 740 |
}; |
| 741 |
|
| 742 |
static const int kNotFound = -1; |
| 743 |
|
| 744 |
// Add internalized strings for all the intrinsic function names to a
|
| 745 |
// StringDictionary.
|
| 746 |
// Returns failure if an allocation fails. In this case, it must be
|
| 747 |
// retried with a new, empty StringDictionary, not with the same one.
|
| 748 |
// Alternatively, heap initialization can be completely restarted.
|
| 749 |
MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames(
|
| 750 |
Heap* heap, Object* dictionary); |
| 751 |
|
| 752 |
// Get the intrinsic function with the given name, which must be internalized.
|
| 753 |
static const Function* FunctionForName(Handle<String> name); |
| 754 |
|
| 755 |
// Get the intrinsic function with the given FunctionId.
|
| 756 |
static const Function* FunctionForId(FunctionId id); |
| 757 |
|
| 758 |
// General-purpose helper functions for runtime system.
|
| 759 |
static int StringMatch(Isolate* isolate, |
| 760 |
Handle<String> sub, |
| 761 |
Handle<String> pat, |
| 762 |
int index);
|
| 763 |
|
| 764 |
static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch); |
| 765 |
|
| 766 |
// TODO(1240886): Some of the following methods are *not* handle safe, but
|
| 767 |
// accept handle arguments. This seems fragile.
|
| 768 |
|
| 769 |
// Support getting the characters in a string using [] notation as
|
| 770 |
// in Firefox/SpiderMonkey, Safari and Opera.
|
| 771 |
MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Isolate* isolate,
|
| 772 |
Handle<Object> object, |
| 773 |
uint32_t index); |
| 774 |
|
| 775 |
MUST_USE_RESULT static MaybeObject* GetElementOrCharAtOrFail(
|
| 776 |
Isolate* isolate, |
| 777 |
Handle<Object> object, |
| 778 |
uint32_t index); |
| 779 |
|
| 780 |
MUST_USE_RESULT static MaybeObject* SetObjectProperty(
|
| 781 |
Isolate* isolate, |
| 782 |
Handle<Object> object, |
| 783 |
Handle<Object> key, |
| 784 |
Handle<Object> value, |
| 785 |
PropertyAttributes attr, |
| 786 |
StrictModeFlag strict_mode); |
| 787 |
|
| 788 |
MUST_USE_RESULT static MaybeObject* SetObjectPropertyOrFail(
|
| 789 |
Isolate* isolate, |
| 790 |
Handle<Object> object, |
| 791 |
Handle<Object> key, |
| 792 |
Handle<Object> value, |
| 793 |
PropertyAttributes attr, |
| 794 |
StrictModeFlag strict_mode); |
| 795 |
|
| 796 |
MUST_USE_RESULT static MaybeObject* ForceSetObjectProperty(
|
| 797 |
Isolate* isolate, |
| 798 |
Handle<JSObject> object, |
| 799 |
Handle<Object> key, |
| 800 |
Handle<Object> value, |
| 801 |
PropertyAttributes attr); |
| 802 |
|
| 803 |
MUST_USE_RESULT static MaybeObject* DeleteObjectProperty(
|
| 804 |
Isolate* isolate, |
| 805 |
Handle<JSReceiver> object, |
| 806 |
Handle<Object> key, |
| 807 |
JSReceiver::DeleteMode mode); |
| 808 |
|
| 809 |
MUST_USE_RESULT static MaybeObject* HasObjectProperty(
|
| 810 |
Isolate* isolate, |
| 811 |
Handle<JSReceiver> object, |
| 812 |
Handle<Object> key); |
| 813 |
|
| 814 |
MUST_USE_RESULT static MaybeObject* GetObjectProperty(
|
| 815 |
Isolate* isolate, |
| 816 |
Handle<Object> object, |
| 817 |
Handle<Object> key); |
| 818 |
|
| 819 |
MUST_USE_RESULT static MaybeObject* GetObjectPropertyOrFail(
|
| 820 |
Isolate* isolate, |
| 821 |
Handle<Object> object, |
| 822 |
Handle<Object> key); |
| 823 |
|
| 824 |
static void SetupArrayBuffer(Isolate* isolate, |
| 825 |
Handle<JSArrayBuffer> array_buffer, |
| 826 |
bool is_external,
|
| 827 |
void* data,
|
| 828 |
size_t allocated_length); |
| 829 |
|
| 830 |
static bool SetupArrayBufferAllocatingData( |
| 831 |
Isolate* isolate, |
| 832 |
Handle<JSArrayBuffer> array_buffer, |
| 833 |
size_t allocated_length, |
| 834 |
bool initialize = true); |
| 835 |
|
| 836 |
static void FreeArrayBuffer( |
| 837 |
Isolate* isolate, |
| 838 |
JSArrayBuffer* phantom_array_buffer); |
| 839 |
|
| 840 |
// Helper functions used stubs.
|
| 841 |
static void PerformGC(Object* result, Isolate* isolate); |
| 842 |
|
| 843 |
// Used in runtime.cc and hydrogen's VisitArrayLiteral.
|
| 844 |
static Handle<Object> CreateArrayLiteralBoilerplate(
|
| 845 |
Isolate* isolate, |
| 846 |
Handle<FixedArray> literals, |
| 847 |
Handle<FixedArray> elements); |
| 848 |
}; |
| 849 |
|
| 850 |
|
| 851 |
//---------------------------------------------------------------------------
|
| 852 |
// Constants used by interface to runtime functions.
|
| 853 |
|
| 854 |
class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {}; |
| 855 |
class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {}; |
| 856 |
class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {}; |
| 857 |
|
| 858 |
} } // namespace v8::internal
|
| 859 |
|
| 860 |
#endif // V8_RUNTIME_H_ |