1e8413e188
properties. For these closures we would like to be able to use constant functions and for that we need the closures allocated in old space. Review URL: http://codereview.chromium.org/5220007 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5866 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
545 lines
18 KiB
C++
545 lines
18 KiB
C++
// Copyright 2010 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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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, 2, 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, 1, 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(ToSlowProperties, 1, 1) \
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F(FinishArrayPrototypeSetup, 1, 1) \
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F(SpecialArrayFunctions, 1, 1) \
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F(GetGlobalReceiver, 0, 1) \
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\
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F(IsInPrototypeChain, 2, 1) \
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F(SetHiddenPrototype, 2, 1) \
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\
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F(IsConstructCall, 0, 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(GetFunctionDelegate, 1, 1) \
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F(GetConstructorDelegate, 1, 1) \
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F(NewArgumentsFast, 3, 1) \
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F(LazyCompile, 1, 1) \
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F(SetNewFunctionAttributes, 1, 1) \
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F(AllocateInNewSpace, 1, 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(StringFromCharCodeArray, 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(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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\
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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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\
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F(StringAdd, 2, 1) \
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F(StringBuilderConcat, 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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F(NumberNot, 1, 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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\
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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(StringReplaceRegExpWithString, 4, 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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\
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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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#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(FunctionGetName, 1, 1) \
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F(FunctionSetName, 2, 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, 2, 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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\
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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(DateLocalTimeOffset, 0, 1) \
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F(DateDaylightSavingsOffset, 1, 1) \
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F(DateMakeDay, 3, 1) \
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F(DateYMDFromTime, 2, 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, 1, 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, 3, 2) \
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F(ResolvePossiblyDirectEvalNoLookup, 3, 2) \
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\
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F(SetProperty, -1 /* 3 or 4 */, 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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\
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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(SwapElements, 3, 1) \
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\
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/* Getters and Setters */ \
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F(DefineAccessor, -1 /* 4 or 5 */, 1) \
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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(CreateArrayLiteralBoilerplate, 3, 1) \
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F(CloneLiteralBoilerplate, 1, 1) \
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F(CloneShallowLiteralBoilerplate, 1, 1) \
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F(CreateObjectLiteral, 4, 1) \
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F(CreateObjectLiteralShallow, 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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/* Catch context extension objects */ \
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F(CreateCatchExtensionObject, 2, 1) \
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\
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/* Statements */ \
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F(NewClosure, 3, 1) \
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F(NewObject, 1, 1) \
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F(NewObjectFromBound, 2, 1) \
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F(FinalizeInstanceSize, 1, 1) \
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F(Throw, 1, 1) \
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F(ReThrow, 1, 1) \
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F(ThrowReferenceError, 1, 1) \
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F(StackGuard, 0, 1) \
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F(PromoteScheduledException, 0, 1) \
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\
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/* Contexts */ \
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F(NewContext, 1, 1) \
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F(PushContext, 1, 1) \
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F(PushCatchContext, 1, 1) \
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F(LookupContext, 2, 1) \
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F(LoadContextSlot, 2, 2) \
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F(LoadContextSlotNoReferenceError, 2, 2) \
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F(StoreContextSlot, 3, 1) \
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\
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/* Declarations and initialization */ \
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F(DeclareGlobals, 3, 1) \
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F(DeclareContextSlot, 4, 1) \
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F(InitializeVarGlobal, -1 /* 1 or 2 */, 1) \
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F(InitializeConstGlobal, 2, 1) \
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F(InitializeConstContextSlot, 3, 1) \
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F(OptimizeObjectForAddingMultipleProperties, 2, 1) \
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\
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/* Debugging */ \
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F(DebugPrint, 1, 1) \
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F(DebugTrace, 0, 1) \
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F(TraceEnter, 0, 1) \
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F(TraceExit, 1, 1) \
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F(Abort, 2, 1) \
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/* Logging */ \
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F(Log, 2, 1) \
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/* ES5 */ \
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F(LocalKeys, 1, 1) \
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/* Cache suport */ \
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F(GetFromCache, 2, 1) \
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\
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/* Pseudo functions - handled as macros by parser */ \
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F(IS_VAR, 1, 1)
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#ifdef ENABLE_DEBUGGER_SUPPORT
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#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
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/* Debugger support*/ \
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F(DebugBreak, 0, 1) \
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F(SetDebugEventListener, 2, 1) \
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F(Break, 0, 1) \
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F(DebugGetPropertyDetails, 2, 1) \
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F(DebugGetProperty, 2, 1) \
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F(DebugPropertyTypeFromDetails, 1, 1) \
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F(DebugPropertyAttributesFromDetails, 1, 1) \
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F(DebugPropertyIndexFromDetails, 1, 1) \
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F(DebugNamedInterceptorPropertyValue, 2, 1) \
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F(DebugIndexedInterceptorElementValue, 2, 1) \
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F(CheckExecutionState, 1, 1) \
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F(GetFrameCount, 1, 1) \
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F(GetFrameDetails, 2, 1) \
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F(GetScopeCount, 2, 1) \
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F(GetScopeDetails, 3, 1) \
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F(DebugPrintScopes, 0, 1) \
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F(GetThreadCount, 1, 1) \
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F(GetThreadDetails, 2, 1) \
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F(SetDisableBreak, 1, 1) \
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F(GetBreakLocations, 1, 1) \
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F(SetFunctionBreakPoint, 3, 1) \
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F(SetScriptBreakPoint, 3, 1) \
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F(ClearBreakPoint, 1, 1) \
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F(ChangeBreakOnException, 2, 1) \
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F(IsBreakOnException, 1, 1) \
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F(PrepareStep, 3, 1) \
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F(ClearStepping, 0, 1) \
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F(DebugEvaluate, 4, 1) \
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F(DebugEvaluateGlobal, 3, 1) \
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F(DebugGetLoadedScripts, 0, 1) \
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F(DebugReferencedBy, 3, 1) \
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F(DebugConstructedBy, 2, 1) \
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F(DebugGetPrototype, 1, 1) \
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F(SystemBreak, 0, 1) \
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F(DebugDisassembleFunction, 1, 1) \
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F(DebugDisassembleConstructor, 1, 1) \
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F(FunctionGetInferredName, 1, 1) \
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F(LiveEditFindSharedFunctionInfosForScript, 1, 1) \
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F(LiveEditGatherCompileInfo, 2, 1) \
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F(LiveEditReplaceScript, 3, 1) \
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F(LiveEditReplaceFunctionCode, 2, 1) \
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F(LiveEditFunctionSetScript, 2, 1) \
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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(LiveEditCompareStringsLinewise, 2, 1) \
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F(GetFunctionCodePositionFromSource, 2, 1) \
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F(ExecuteInDebugContext, 2, 1)
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#else
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#define RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F)
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#endif
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#ifdef ENABLE_LOGGING_AND_PROFILING
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#define RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F) \
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F(ProfilerResume, 2, 1) \
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F(ProfilerPause, 2, 1)
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#else
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#define RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F)
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#endif
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#ifdef DEBUG
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#define RUNTIME_FUNCTION_LIST_DEBUG(F) \
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/* Testing */ \
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F(ListNatives, 0, 1)
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#else
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#define RUNTIME_FUNCTION_LIST_DEBUG(F)
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#endif
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// ----------------------------------------------------------------------------
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// RUNTIME_FUNCTION_LIST defines all runtime functions accessed
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// either directly by id (via the code generator), or indirectly
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// via a native call by name (from within JS code).
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#define RUNTIME_FUNCTION_LIST(F) \
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RUNTIME_FUNCTION_LIST_ALWAYS_1(F) \
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RUNTIME_FUNCTION_LIST_ALWAYS_2(F) \
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RUNTIME_FUNCTION_LIST_DEBUG(F) \
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RUNTIME_FUNCTION_LIST_DEBUGGER_SUPPORT(F) \
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RUNTIME_FUNCTION_LIST_PROFILER_SUPPORT(F)
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// ----------------------------------------------------------------------------
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// INLINE_FUNCTION_LIST defines all inlined functions accessed
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// with a native call of the form %_name from within JS code.
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// Entries have the form F(name, number of arguments, number of return values).
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#define INLINE_FUNCTION_LIST(F) \
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F(IsSmi, 1, 1) \
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F(IsNonNegativeSmi, 1, 1) \
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F(IsArray, 1, 1) \
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F(IsRegExp, 1, 1) \
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F(CallFunction, -1 /* receiver + n args + function */, 1) \
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F(ArgumentsLength, 0, 1) \
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F(Arguments, 1, 1) \
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F(ValueOf, 1, 1) \
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F(SetValueOf, 2, 1) \
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F(StringCharFromCode, 1, 1) \
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F(StringCharAt, 2, 1) \
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F(ObjectEquals, 2, 1) \
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F(RandomHeapNumber, 0, 1) \
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F(IsObject, 1, 1) \
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F(IsFunction, 1, 1) \
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F(IsUndetectableObject, 1, 1) \
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F(IsSpecObject, 1, 1) \
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F(IsStringWrapperSafeForDefaultValueOf, 1, 1) \
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F(MathPow, 2, 1) \
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F(MathSin, 1, 1) \
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F(MathCos, 1, 1) \
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F(MathSqrt, 1, 1) \
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F(IsRegExpEquivalent, 2, 1) \
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F(HasCachedArrayIndex, 1, 1) \
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F(GetCachedArrayIndex, 1, 1) \
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F(FastAsciiArrayJoin, 2, 1)
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// ----------------------------------------------------------------------------
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// INLINE_AND_RUNTIME_FUNCTION_LIST defines all inlined functions accessed
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// with a native call of the form %_name from within JS code that also have
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// 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).
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#define INLINE_RUNTIME_FUNCTION_LIST(F) \
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F(IsConstructCall, 0, 1) \
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F(ClassOf, 1, 1) \
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F(StringCharCodeAt, 2, 1) \
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F(Log, 3, 1) \
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F(StringAdd, 2, 1) \
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F(SubString, 3, 1) \
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F(StringCompare, 2, 1) \
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F(RegExpExec, 4, 1) \
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F(RegExpConstructResult, 3, 1) \
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F(GetFromCache, 2, 1) \
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F(NumberToString, 1, 1) \
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F(SwapElements, 3, 1)
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//---------------------------------------------------------------------------
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// Runtime provides access to all C++ runtime functions.
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class Runtime : public AllStatic {
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public:
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enum FunctionId {
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#define F(name, nargs, ressize) k##name,
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RUNTIME_FUNCTION_LIST(F)
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#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
|
|
};
|
|
|
|
// Intrinsic function descriptor.
|
|
struct Function {
|
|
FunctionId function_id;
|
|
IntrinsicType intrinsic_type;
|
|
// The JS name of the function.
|
|
const char* name;
|
|
|
|
// The C++ (native) entry point. NULL if the function is inlined.
|
|
byte* entry;
|
|
|
|
// The number of arguments expected. nargs is -1 if the function takes
|
|
// a variable number of arguments.
|
|
int nargs;
|
|
// Size of result. Most functions return a single pointer, size 1.
|
|
int result_size;
|
|
};
|
|
|
|
static const int kNotFound = -1;
|
|
|
|
// Add symbols for all the intrinsic function names to a StringDictionary.
|
|
// 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.
|
|
MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames(
|
|
Object* dictionary);
|
|
|
|
// Get the intrinsic function with the given name, which must be a symbol.
|
|
static Function* FunctionForSymbol(Handle<String> name);
|
|
|
|
// Get the intrinsic function with the given FunctionId.
|
|
static Function* FunctionForId(FunctionId id);
|
|
|
|
// General-purpose helper functions for runtime system.
|
|
static int StringMatch(Handle<String> sub, Handle<String> pat, int index);
|
|
|
|
static bool IsUpperCaseChar(uint16_t ch);
|
|
|
|
// TODO(1240886): The following three methods are *not* handle safe,
|
|
// but accept handle arguments. This seems fragile.
|
|
|
|
// Support getting the characters in a string using [] notation as
|
|
// in Firefox/SpiderMonkey, Safari and Opera.
|
|
MUST_USE_RESULT static MaybeObject* GetElementOrCharAt(Handle<Object> object,
|
|
uint32_t index);
|
|
MUST_USE_RESULT static MaybeObject* GetElement(Handle<Object> object,
|
|
uint32_t index);
|
|
|
|
MUST_USE_RESULT static MaybeObject* SetObjectProperty(
|
|
Handle<Object> object,
|
|
Handle<Object> key,
|
|
Handle<Object> value,
|
|
PropertyAttributes attr);
|
|
|
|
MUST_USE_RESULT static MaybeObject* ForceSetObjectProperty(
|
|
Handle<JSObject> object,
|
|
Handle<Object> key,
|
|
Handle<Object> value,
|
|
PropertyAttributes attr);
|
|
|
|
MUST_USE_RESULT static MaybeObject* ForceDeleteObjectProperty(
|
|
Handle<JSObject> object,
|
|
Handle<Object> key);
|
|
|
|
MUST_USE_RESULT static MaybeObject* GetObjectProperty(Handle<Object> object,
|
|
Handle<Object> key);
|
|
|
|
// This function is used in FunctionNameUsing* tests.
|
|
static Object* FindSharedFunctionInfoInScript(Handle<Script> script,
|
|
int position);
|
|
|
|
// Helper functions used stubs.
|
|
static void PerformGC(Object* result);
|
|
};
|
|
|
|
|
|
} } // namespace v8::internal
|
|
|
|
#endif // V8_RUNTIME_H_
|