runtime.h 27.9 KB
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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
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef V8_RUNTIME_H_
#define V8_RUNTIME_H_

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#include "allocation.h"
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#include "zone.h"

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namespace v8 {
namespace internal {
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// The interface to C++ runtime functions.

// ----------------------------------------------------------------------------
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// RUNTIME_FUNCTION_LIST_ALWAYS defines runtime calls available in both
// release and debug mode.
// 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
// MSVC Intellisense to crash.  It was broken into two macros to work around
// this problem. Please avoid large recursive macros whenever possible.
#define RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
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  /* Property access */ \
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  F(GetProperty, 2, 1) \
  F(KeyedGetProperty, 2, 1) \
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  F(DeleteProperty, 3, 1) \
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  F(HasLocalProperty, 2, 1) \
  F(HasProperty, 2, 1) \
  F(HasElement, 2, 1) \
  F(IsPropertyEnumerable, 2, 1) \
  F(GetPropertyNames, 1, 1) \
  F(GetPropertyNamesFast, 1, 1) \
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  F(GetLocalPropertyNames, 2, 1) \
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  F(GetLocalElementNames, 1, 1) \
  F(GetInterceptorInfo, 1, 1) \
  F(GetNamedInterceptorPropertyNames, 1, 1) \
  F(GetIndexedInterceptorElementNames, 1, 1) \
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  F(GetArgumentsProperty, 1, 1) \
  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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  F(GetOwnProperty, 2, 1) \
  \
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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) \
  F(GetConstructorDelegate, 1, 1) \
  F(NewArgumentsFast, 3, 1) \
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  F(NewStrictArgumentsFast, 3, 1) \
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  F(CompileUnoptimized, 1, 1) \
  F(CompileOptimized, 2, 1) \
  F(TryInstallOptimizedCode, 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, 1, 1) \
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  F(SetAllocationTimeout, -1 /* 2 || 3 */, 1) \
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  F(AllocateInNewSpace, 1, 1) \
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  F(AllocateInTargetSpace, 2, 1) \
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  F(SetNativeFlag, 1, 1) \
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  F(SetInlineBuiltinFlag, 1, 1) \
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  F(StoreArrayLiteralElement, 5, 1) \
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  F(DebugCallbackSupportsStepping, 1, 1) \
  F(DebugPrepareStepInIfStepping, 1, 1) \
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  F(FlattenString, 1, 1) \
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  F(TryMigrateInstance, 1, 1) \
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  F(NotifyContextDisposed, 0, 1) \
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  F(MaxSmi, 0, 1) \
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  \
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  /* Array join support */ \
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  F(PushIfAbsent, 2, 1) \
  F(ArrayConcat, 1, 1) \
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  \
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  /* Conversions */ \
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  F(ToBool, 1, 1) \
  F(Typeof, 1, 1) \
  \
  F(StringToNumber, 1, 1) \
  F(StringParseInt, 2, 1) \
  F(StringParseFloat, 1, 1) \
  F(StringToLowerCase, 1, 1) \
  F(StringToUpperCase, 1, 1) \
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  F(StringSplit, 3, 1) \
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  F(CharFromCode, 1, 1) \
  F(URIEscape, 1, 1) \
  F(URIUnescape, 1, 1) \
  \
  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) \
  F(NumberToJSInt32, 1, 1) \
  F(NumberToSmi, 1, 1) \
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  F(AllocateHeapNumber, 0, 1) \
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  \
  /* Arithmetic operations */ \
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  F(NumberAdd, 2, 1) \
  F(NumberSub, 2, 1) \
  F(NumberMul, 2, 1) \
  F(NumberDiv, 2, 1) \
  F(NumberMod, 2, 1) \
  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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  \
  /* Bit operations */ \
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  F(NumberOr, 2, 1) \
  F(NumberAnd, 2, 1) \
  F(NumberXor, 2, 1) \
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  \
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  F(NumberShl, 2, 1) \
  F(NumberShr, 2, 1) \
  F(NumberSar, 2, 1) \
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  \
  /* Comparisons */ \
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  F(NumberEquals, 2, 1) \
  F(StringEquals, 2, 1) \
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  \
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  F(NumberCompare, 3, 1) \
  F(SmiLexicographicCompare, 2, 1) \
  F(StringCompare, 2, 1) \
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  \
  /* Math */ \
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  F(Math_acos, 1, 1) \
  F(Math_asin, 1, 1) \
  F(Math_atan, 1, 1) \
  F(Math_atan2, 2, 1) \
  F(Math_exp, 1, 1) \
  F(Math_floor, 1, 1) \
  F(Math_log, 1, 1) \
  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_sqrt, 1, 1) \
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  \
  /* Regular expressions */ \
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  F(RegExpCompile, 3, 1) \
  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 */ \
  F(ParseJson, 1, 1) \
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  F(BasicJSONStringify, 1, 1) \
  F(QuoteJSONString, 1, 1) \
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  \
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  /* Strings */ \
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  F(StringCharCodeAt, 2, 1) \
  F(StringIndexOf, 3, 1) \
  F(StringLastIndexOf, 3, 1) \
  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) \
  F(TruncateString, 2, 1) \
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  \
  /* Numbers */ \
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  F(NumberToRadixString, 2, 1) \
  F(NumberToFixed, 2, 1) \
  F(NumberToExponential, 2, 1) \
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  F(NumberToPrecision, 2, 1) \
  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) \
  F(FunctionSetLength, 2, 1) \
  F(FunctionSetPrototype, 2, 1) \
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  F(FunctionSetReadOnlyPrototype, 1, 1) \
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  F(FunctionGetName, 1, 1) \
  F(FunctionSetName, 2, 1) \
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  F(FunctionNameShouldPrintAsAnonymous, 1, 1) \
  F(FunctionMarkNameShouldPrintAsAnonymous, 1, 1) \
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  F(FunctionIsGenerator, 1, 1) \
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  F(FunctionBindArguments, 4, 1) \
  F(BoundFunctionGetBindings, 1, 1) \
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  F(FunctionRemovePrototype, 1, 1) \
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  F(FunctionGetSourceCode, 1, 1) \
  F(FunctionGetScript, 1, 1) \
  F(FunctionGetScriptSourcePosition, 1, 1) \
  F(FunctionGetPositionForOffset, 2, 1) \
  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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  \
  F(ClassOf, 1, 1) \
  F(SetCode, 2, 1) \
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  F(SetExpectedNumberOfProperties, 2, 1) \
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  \
  F(CreateApiFunction, 1, 1) \
  F(IsTemplate, 1, 1) \
  F(GetTemplateField, 2, 1) \
  F(DisableAccessChecks, 1, 1) \
  F(EnableAccessChecks, 1, 1) \
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  F(SetAccessorProperty, 6, 1) \
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  \
  /* Dates */ \
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  F(DateCurrentTime, 0, 1) \
  F(DateParseString, 2, 1) \
  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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  \
  /* Numbers */ \
  \
  /* Globals */ \
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  F(CompileString, 2, 1) \
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  F(GlobalPrint, 1, 1) \
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  \
  /* Eval */ \
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  F(GlobalReceiver, 1, 1) \
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  F(IsAttachedGlobal, 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) \
  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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  \
  /* Arrays */ \
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  F(RemoveArrayHoles, 2, 1) \
  F(GetArrayKeys, 2, 1) \
  F(MoveArrayContents, 2, 1) \
  F(EstimateNumberOfElements, 1, 1) \
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  F(ArrayConstructor, -1, 1) \
  F(InternalArrayConstructor, -1, 1) \
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  \
  /* Getters and Setters */ \
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  F(LookupAccessor, 3, 1) \
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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, 4, 1) \
  F(CreateArrayLiteralStubBailout, 3, 1) \
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  \
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  /* Harmony generators */ \
  F(CreateJSGeneratorObject, 0, 1) \
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  F(SuspendJSGeneratorObject, 1, 1) \
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  F(ResumeJSGeneratorObject, 3, 1) \
  F(ThrowGeneratorStateError, 1, 1) \
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  \
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  /* ES5 */ \
  F(ObjectFreeze, 1, 1) \
  \
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  /* Harmony Microtasks */ \
  F(GetMicrotaskState, 0, 1) \
  \
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  /* Harmony modules */ \
  F(IsJSModule, 1, 1) \
  \
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  /* Harmony symbols */ \
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  F(CreateSymbol, 1, 1) \
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  F(CreatePrivateSymbol, 1, 1) \
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  F(SymbolName, 1, 1) \
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  F(SymbolIsPrivate, 1, 1) \
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  \
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  /* Harmony proxies */ \
  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) \
  F(GetConstructTrap, 1, 1) \
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  F(Fix, 1, 1) \
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  \
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  /* Harmony sets */ \
  F(SetInitialize, 1, 1) \
  F(SetAdd, 2, 1) \
  F(SetHas, 2, 1) \
  F(SetDelete, 2, 1) \
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  F(SetGetSize, 1, 1) \
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  \
  /* Harmony maps */ \
  F(MapInitialize, 1, 1) \
  F(MapGet, 2, 1) \
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  F(MapHas, 2, 1) \
  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 */ \
  F(WeakCollectionInitialize, 1, 1) \
  F(WeakCollectionGet, 2, 1) \
  F(WeakCollectionHas, 2, 1) \
  F(WeakCollectionDelete, 2, 1) \
  F(WeakCollectionSet, 3, 1) \
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  \
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  /* Harmony events */ \
  F(SetMicrotaskPending, 1, 1) \
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  F(RunMicrotasks, 0, 1) \
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  \
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  /* Harmony observe */ \
  F(IsObserved, 1, 1) \
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  F(SetIsObserved, 1, 1) \
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  F(GetObservationState, 0, 1) \
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  F(ObservationWeakMapCreate, 0, 1) \
  F(UnwrapGlobalProxy, 1, 1) \
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  F(IsAccessAllowedForObserver, 3, 1) \
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  \
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  /* Harmony typed arrays */ \
  F(ArrayBufferInitialize, 2, 1)\
  F(ArrayBufferGetByteLength, 1, 1)\
  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) \
  F(TypedArrayGetByteLength, 1, 1) \
  F(TypedArrayGetByteOffset, 1, 1) \
  F(TypedArrayGetLength, 1, 1) \
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  F(TypedArraySetFastCases, 3, 1) \
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  \
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  F(DataViewInitialize, 4, 1) \
  F(DataViewGetBuffer, 1, 1) \
  F(DataViewGetByteLength, 1, 1) \
  F(DataViewGetByteOffset, 1, 1) \
  F(DataViewGetInt8, 3, 1) \
  F(DataViewGetUint8, 3, 1) \
  F(DataViewGetInt16, 3, 1) \
  F(DataViewGetUint16, 3, 1) \
  F(DataViewGetInt32, 3, 1) \
  F(DataViewGetUint32, 3, 1) \
  F(DataViewGetFloat32, 3, 1) \
  F(DataViewGetFloat64, 3, 1) \
  \
  F(DataViewSetInt8, 4, 1) \
  F(DataViewSetUint8, 4, 1) \
  F(DataViewSetInt16, 4, 1) \
  F(DataViewSetUint16, 4, 1) \
  F(DataViewSetInt32, 4, 1) \
  F(DataViewSetUint32, 4, 1) \
  F(DataViewSetFloat32, 4, 1) \
  F(DataViewSetFloat64, 4, 1) \
  \
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  /* Statements */ \
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  F(NewClosure, 3, 1) \
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  F(NewClosureFromStubFailure, 1, 1) \
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  F(NewObject, 1, 1) \
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  F(NewObjectFromBound, 1, 1) \
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  F(FinalizeInstanceSize, 1, 1) \
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  F(Throw, 1, 1) \
  F(ReThrow, 1, 1) \
  F(ThrowReferenceError, 1, 1) \
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  F(ThrowNotDateError, 0, 1) \
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  F(ThrowMessage, 1, 1) \
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  F(StackGuard, 0, 1) \
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  F(Interrupt, 0, 1) \
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  F(PromoteScheduledException, 0, 1) \
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  \
  /* Contexts */ \
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  F(NewGlobalContext, 2, 1) \
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  F(NewFunctionContext, 1, 1) \
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  F(PushWithContext, 2, 1) \
  F(PushCatchContext, 3, 1) \
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  F(PushBlockContext, 2, 1) \
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  F(PushModuleContext, 2, 1) \
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  F(DeleteContextSlot, 2, 1) \
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  F(LoadContextSlot, 2, 2) \
  F(LoadContextSlotNoReferenceError, 2, 2) \
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  F(StoreContextSlot, 4, 1) \
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  \
  /* Declarations and initialization */ \
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  F(DeclareGlobals, 3, 1) \
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  F(DeclareModules, 1, 1) \
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  F(DeclareContextSlot, 4, 1) \
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  F(InitializeVarGlobal, -1 /* 2 or 3 */, 1) \
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  F(InitializeConstGlobal, 2, 1) \
  F(InitializeConstContextSlot, 3, 1) \
  F(OptimizeObjectForAddingMultipleProperties, 2, 1) \
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  \
  /* Debugging */ \
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  F(DebugPrint, 1, 1) \
  F(DebugTrace, 0, 1) \
  F(TraceEnter, 0, 1) \
  F(TraceExit, 1, 1) \
  F(Abort, 2, 1) \
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  F(AbortJS, 1, 1) \
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  /* Logging */ \
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  F(Log, 2, 1) \
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  /* ES5 */ \
  F(LocalKeys, 1, 1) \
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  /* Cache suport */ \
  F(GetFromCache, 2, 1) \
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  \
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  /* Message objects */ \
  F(MessageGetStartPosition, 1, 1) \
  F(MessageGetScript, 1, 1) \
  \
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  /* Pseudo functions - handled as macros by parser */ \
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  F(IS_VAR, 1, 1) \
  \
  /* expose boolean functions from objects-inl.h */ \
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  F(HasFastSmiElements, 1, 1) \
  F(HasFastSmiOrObjectElements, 1, 1) \
  F(HasFastObjectElements, 1, 1) \
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  F(HasFastDoubleElements, 1, 1) \
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  F(HasFastHoleyElements, 1, 1) \
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  F(HasDictionaryElements, 1, 1) \
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  F(HasNonStrictArgumentsElements, 1, 1) \
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  F(HasExternalUint8ClampedElements, 1, 1) \
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  F(HasExternalArrayElements, 1, 1) \
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  F(HasExternalInt8Elements, 1, 1) \
  F(HasExternalUint8Elements, 1, 1) \
  F(HasExternalInt16Elements, 1, 1) \
  F(HasExternalUint16Elements, 1, 1) \
  F(HasExternalInt32Elements, 1, 1) \
  F(HasExternalUint32Elements, 1, 1) \
  F(HasExternalFloat32Elements, 1, 1) \
  F(HasExternalFloat64Elements, 1, 1) \
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  F(HasFastProperties, 1, 1) \
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  F(TransitionElementsKind, 2, 1) \
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  F(HaveSameMap, 2, 1) \
  F(IsAccessCheckNeeded, 1, 1)
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#ifdef ENABLE_DEBUGGER_SUPPORT
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
  /* Debugger support*/ \
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  F(DebugBreak, 0, 1) \
  F(SetDebugEventListener, 2, 1) \
  F(Break, 0, 1) \
  F(DebugGetPropertyDetails, 2, 1) \
  F(DebugGetProperty, 2, 1) \
  F(DebugPropertyTypeFromDetails, 1, 1) \
  F(DebugPropertyAttributesFromDetails, 1, 1) \
  F(DebugPropertyIndexFromDetails, 1, 1) \
  F(DebugNamedInterceptorPropertyValue, 2, 1) \
  F(DebugIndexedInterceptorElementValue, 2, 1) \
  F(CheckExecutionState, 1, 1) \
  F(GetFrameCount, 1, 1) \
  F(GetFrameDetails, 2, 1) \
  F(GetScopeCount, 2, 1) \
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  F(GetStepInPositions, 2, 1) \
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  F(GetScopeDetails, 4, 1) \
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  F(GetFunctionScopeCount, 1, 1) \
  F(GetFunctionScopeDetails, 2, 1) \
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  F(SetScopeVariableValue, 6, 1) \
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  F(DebugPrintScopes, 0, 1) \
  F(GetThreadCount, 1, 1) \
  F(GetThreadDetails, 2, 1) \
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  F(SetDisableBreak, 1, 1) \
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  F(GetBreakLocations, 2, 1) \
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  F(SetFunctionBreakPoint, 3, 1) \
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  F(SetScriptBreakPoint, 4, 1) \
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  F(ClearBreakPoint, 1, 1) \
  F(ChangeBreakOnException, 2, 1) \
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  F(IsBreakOnException, 1, 1) \
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  F(PrepareStep, 4, 1) \
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  F(ClearStepping, 0, 1) \
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  F(DebugEvaluate, 6, 1) \
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  F(DebugEvaluateGlobal, 4, 1) \
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  F(DebugGetLoadedScripts, 0, 1) \
  F(DebugReferencedBy, 3, 1) \
  F(DebugConstructedBy, 2, 1) \
  F(DebugGetPrototype, 1, 1) \
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  F(DebugSetScriptSource, 2, 1) \
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  F(SystemBreak, 0, 1) \
  F(DebugDisassembleFunction, 1, 1) \
  F(DebugDisassembleConstructor, 1, 1) \
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  F(FunctionGetInferredName, 1, 1) \
  F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
  F(LiveEditGatherCompileInfo, 2, 1) \
  F(LiveEditReplaceScript, 3, 1) \
  F(LiveEditReplaceFunctionCode, 2, 1) \
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  F(LiveEditFunctionSourceUpdated, 1, 1) \
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  F(LiveEditFunctionSetScript, 2, 1) \
  F(LiveEditReplaceRefToNestedFunction, 3, 1) \
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  F(LiveEditPatchFunctionPositions, 2, 1) \
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  F(LiveEditCheckAndDropActivations, 2, 1) \
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  F(LiveEditCompareStrings, 2, 1) \
539
  F(LiveEditRestartFrame, 2, 1) \
540
  F(GetFunctionCodePositionFromSource, 2, 1) \
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  F(ExecuteInDebugContext, 2, 1) \
  \
  F(SetFlags, 1, 1) \
  F(CollectGarbage, 1, 1) \
545
  F(GetHeapUsage, 0, 1) \
546

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#else
#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
#endif
550

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#ifdef V8_I18N_SUPPORT
#define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F) \
  /* i18n support */ \
  /* Standalone, helper methods. */ \
  F(CanonicalizeLanguageTag, 1, 1) \
  F(AvailableLocalesOf, 1, 1) \
  F(GetDefaultICULocale, 0, 1) \
  F(GetLanguageTagVariants, 1, 1) \
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  \
  /* Date format and parse. */ \
  F(CreateDateTimeFormat, 3, 1) \
  F(InternalDateFormat, 2, 1) \
  F(InternalDateParse, 2, 1) \
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  \
  /* Number format and parse. */ \
  F(CreateNumberFormat, 3, 1) \
  F(InternalNumberFormat, 2, 1) \
  F(InternalNumberParse, 2, 1) \
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  \
  /* Collator. */ \
  F(CreateCollator, 3, 1) \
  F(InternalCompare, 3, 1) \
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  \
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  /* String.prototype.normalize. */ \
  F(StringNormalize, 2, 1) \
  \
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  /* Break iterator. */ \
  F(CreateBreakIterator, 3, 1) \
  F(BreakIteratorAdoptText, 2, 1) \
  F(BreakIteratorFirst, 1, 1) \
  F(BreakIteratorNext, 1, 1) \
  F(BreakIteratorCurrent, 1, 1) \
  F(BreakIteratorBreakType, 1, 1) \
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#else
#define RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
#endif


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#ifdef DEBUG
#define RUNTIME_FUNCTION_LIST_DEBUG(F) \
  /* Testing */ \
594
  F(ListNatives, 0, 1)
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#else
#define RUNTIME_FUNCTION_LIST_DEBUG(F)
#endif

// ----------------------------------------------------------------------------
// RUNTIME_FUNCTION_LIST defines all runtime functions accessed
// either directly by id (via the code generator), or indirectly
// via a native call by name (from within JS code).

#define RUNTIME_FUNCTION_LIST(F) \
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  RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
  RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
607
  RUNTIME_FUNCTION_LIST_DEBUG(F) \
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  RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
  RUNTIME_FUNCTION_LIST_I18N_SUPPORT(F)
610

611
// ----------------------------------------------------------------------------
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// INLINE_FUNCTION_LIST defines all inlined functions accessed
// with a native call of the form %_name from within JS code.
// Entries have the form F(name, number of arguments, number of return values).
#define INLINE_FUNCTION_LIST(F) \
  F(IsSmi, 1, 1)                                                             \
  F(IsNonNegativeSmi, 1, 1)                                                  \
  F(IsArray, 1, 1)                                                           \
  F(IsRegExp, 1, 1)                                                          \
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  F(IsConstructCall, 0, 1)                                                   \
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  F(CallFunction, -1 /* receiver + n args + function */, 1)                  \
  F(ArgumentsLength, 0, 1)                                                   \
  F(Arguments, 1, 1)                                                         \
  F(ValueOf, 1, 1)                                                           \
  F(SetValueOf, 2, 1)                                                        \
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  F(DateField, 2 /* date object, field index */, 1)                          \
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  F(StringCharFromCode, 1, 1)                                                \
  F(StringCharAt, 2, 1)                                                      \
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  F(OneByteSeqStringSetChar, 3, 1)                                           \
  F(TwoByteSeqStringSetChar, 3, 1)                                           \
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  F(ObjectEquals, 2, 1)                                                      \
  F(IsObject, 1, 1)                                                          \
  F(IsFunction, 1, 1)                                                        \
  F(IsUndetectableObject, 1, 1)                                              \
  F(IsSpecObject, 1, 1)                                                      \
  F(IsStringWrapperSafeForDefaultValueOf, 1, 1)                              \
  F(MathPow, 2, 1)                                                           \
  F(MathSqrt, 1, 1)                                                          \
639
  F(MathLog, 1, 1)                                                           \
640
  F(IsMinusZero, 1, 1)                                                       \
641
  F(HasCachedArrayIndex, 1, 1)                                               \
642
  F(GetCachedArrayIndex, 1, 1)                                               \
643
  F(FastAsciiArrayJoin, 2, 1)                                                \
644
  F(GeneratorNext, 2, 1)                                                     \
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  F(GeneratorThrow, 2, 1)                                                    \
  F(DebugBreakInOptimizedCode, 0, 1)
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// ----------------------------------------------------------------------------
650
// INLINE_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
651
// with a native call of the form %_name from within JS code that also have
652
// a corresponding runtime function, that is called for slow cases.
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// Entries have the form F(name, number of arguments, number of return values).
#define INLINE_RUNTIME_FUNCTION_LIST(F) \
  F(ClassOf, 1, 1)                                                           \
  F(StringCharCodeAt, 2, 1)                                                  \
  F(Log, 3, 1)                                                               \
  F(StringAdd, 2, 1)                                                         \
  F(SubString, 3, 1)                                                         \
  F(StringCompare, 2, 1)                                                     \
  F(RegExpExec, 4, 1)                                                        \
  F(RegExpConstructResult, 3, 1)                                             \
  F(GetFromCache, 2, 1)                                                      \
664
  F(NumberToString, 1, 1)
665 666 667


//---------------------------------------------------------------------------
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// Runtime provides access to all C++ runtime functions.

670 671
class RuntimeState {
 public:
672 673
  StaticResource<ConsStringIteratorOp>* string_iterator() {
    return &string_iterator_;
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  }
  unibrow::Mapping<unibrow::ToUppercase, 128>* to_upper_mapping() {
    return &to_upper_mapping_;
  }
  unibrow::Mapping<unibrow::ToLowercase, 128>* to_lower_mapping() {
    return &to_lower_mapping_;
  }
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  ConsStringIteratorOp* string_iterator_compare_x() {
    return &string_iterator_compare_x_;
683
  }
684 685
  ConsStringIteratorOp* string_iterator_compare_y() {
    return &string_iterator_compare_y_;
686
  }
687 688
  ConsStringIteratorOp* string_locale_compare_it1() {
    return &string_locale_compare_it1_;
689
  }
690 691
  ConsStringIteratorOp* string_locale_compare_it2() {
    return &string_locale_compare_it2_;
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  }

 private:
  RuntimeState() {}
  // Non-reentrant string buffer for efficient general use in the runtime.
697
  StaticResource<ConsStringIteratorOp> string_iterator_;
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  unibrow::Mapping<unibrow::ToUppercase, 128> to_upper_mapping_;
  unibrow::Mapping<unibrow::ToLowercase, 128> to_lower_mapping_;
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  ConsStringIteratorOp string_iterator_compare_x_;
  ConsStringIteratorOp string_iterator_compare_y_;
  ConsStringIteratorOp string_locale_compare_it1_;
  ConsStringIteratorOp string_locale_compare_it2_;
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  friend class Isolate;
  friend class Runtime;

  DISALLOW_COPY_AND_ASSIGN(RuntimeState);
};


712 713 714
class Runtime : public AllStatic {
 public:
  enum FunctionId {
715
#define F(name, nargs, ressize) k##name,
716 717
    RUNTIME_FUNCTION_LIST(F)
#undef F
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#define F(name, nargs, ressize) kInline##name,
    INLINE_FUNCTION_LIST(F)
    INLINE_RUNTIME_FUNCTION_LIST(F)
#undef F
    kNumFunctions,
    kFirstInlineFunction = kInlineIsSmi
  };

  enum IntrinsicType {
    RUNTIME,
    INLINE
729 730
  };

731
  // Intrinsic function descriptor.
732
  struct Function {
733 734
    FunctionId function_id;
    IntrinsicType intrinsic_type;
735 736 737
    // The JS name of the function.
    const char* name;

738
    // The C++ (native) entry point.  NULL if the function is inlined.
739 740
    byte* entry;

741 742
    // The number of arguments expected. nargs is -1 if the function takes
    // a variable number of arguments.
743
    int nargs;
744
    // Size of result.  Most functions return a single pointer, size 1.
745
    int result_size;
746 747
  };

748 749
  static const int kNotFound = -1;

750 751
  // Add internalized strings for all the intrinsic function names to a
  // StringDictionary.
752 753 754
  // Returns failure if an allocation fails.  In this case, it must be
  // retried with a new, empty StringDictionary, not with the same one.
  // Alternatively, heap initialization can be completely restarted.
755
  MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames(
756
      Heap* heap, Object* dictionary);
757

758 759
  // Get the intrinsic function with the given name, which must be internalized.
  static const Function* FunctionForName(Handle<String> name);
760

761
  // Get the intrinsic function with the given FunctionId.
762
  static const Function* FunctionForId(FunctionId id);
763

764
  // General-purpose helper functions for runtime system.
765 766 767 768
  static int StringMatch(Isolate* isolate,
                         Handle<String> sub,
                         Handle<String> pat,
                         int index);
769

770
  static bool IsUpperCaseChar(RuntimeState* runtime_state, uint16_t ch);
771

772 773
  // TODO(1240886): Some of the following methods are *not* handle safe, but
  // accept handle arguments. This seems fragile.
774 775 776

  // Support getting the characters in a string using [] notation as
  // in Firefox/SpiderMonkey, Safari and Opera.
777 778
  MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Isolate* isolate,
                                                         Handle<Object> object,
779 780
                                                         uint32_t index);

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  MUST_USE_RESULT static MaybeObject* GetElementOrCharAtOrFail(
      Isolate* isolate,
      Handle<Object> object,
      uint32_t index);

786
  static Handle<Object> SetObjectProperty(
787 788 789 790 791 792 793
      Isolate* isolate,
      Handle<Object> object,
      Handle<Object> key,
      Handle<Object> value,
      PropertyAttributes attr,
      StrictModeFlag strict_mode);

794
  static Handle<Object> ForceSetObjectProperty(
795
      Isolate* isolate,
796 797 798 799 800
      Handle<JSObject> object,
      Handle<Object> key,
      Handle<Object> value,
      PropertyAttributes attr);

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  MUST_USE_RESULT static MaybeObject* DeleteObjectProperty(
      Isolate* isolate,
      Handle<JSReceiver> object,
      Handle<Object> key,
      JSReceiver::DeleteMode mode);

  MUST_USE_RESULT static MaybeObject* HasObjectProperty(
808
      Isolate* isolate,
809
      Handle<JSReceiver> object,
810 811
      Handle<Object> key);

812 813 814 815
  MUST_USE_RESULT static MaybeObject* GetObjectProperty(
      Isolate* isolate,
      Handle<Object> object,
      Handle<Object> key);
816

817 818 819 820 821
  MUST_USE_RESULT static MaybeObject* GetObjectPropertyOrFail(
      Isolate* isolate,
      Handle<Object> object,
      Handle<Object> key);

822
  static void SetupArrayBuffer(Isolate* isolate,
823
                               Handle<JSArrayBuffer> array_buffer,
824
                               bool is_external,
825 826 827 828 829 830
                               void* data,
                               size_t allocated_length);

  static bool SetupArrayBufferAllocatingData(
      Isolate* isolate,
      Handle<JSArrayBuffer> array_buffer,
831 832
      size_t allocated_length,
      bool initialize = true);
833

834 835 836 837
  static void FreeArrayBuffer(
      Isolate* isolate,
      JSArrayBuffer* phantom_array_buffer);

838 839 840 841 842 843 844 845 846 847
  enum TypedArrayId {
    // arrayIds below should be synchromized with typedarray.js natives.
    ARRAY_ID_UINT8 = 1,
    ARRAY_ID_INT8 = 2,
    ARRAY_ID_UINT16 = 3,
    ARRAY_ID_INT16 = 4,
    ARRAY_ID_UINT32 = 5,
    ARRAY_ID_INT32 = 6,
    ARRAY_ID_FLOAT32 = 7,
    ARRAY_ID_FLOAT64 = 8,
848
    ARRAY_ID_UINT8_CLAMPED = 9
849 850 851 852 853
  };

  static void ArrayIdToTypeAndSize(int array_id,
      ExternalArrayType *type, size_t *element_size);

854
  // Helper functions used stubs.
855
  static void PerformGC(Object* result, Isolate* isolate);
856 857 858 859 860 861

  // Used in runtime.cc and hydrogen's VisitArrayLiteral.
  static Handle<Object> CreateArrayLiteralBoilerplate(
      Isolate* isolate,
      Handle<FixedArray> literals,
      Handle<FixedArray> elements);
862 863
};

864 865 866 867

//---------------------------------------------------------------------------
// Constants used by interface to runtime functions.

868 869 870
class AllocateDoubleAlignFlag:    public BitField<bool,            0, 1> {};
class AllocateTargetSpace:        public BitField<AllocationSpace, 1, 3> {};

871 872 873
class DeclareGlobalsEvalFlag:     public BitField<bool,         0, 1> {};
class DeclareGlobalsNativeFlag:   public BitField<bool,         1, 1> {};
class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {};
874

875 876 877
} }  // namespace v8::internal

#endif  // V8_RUNTIME_H_