84277a8b4d
BUG= R=yangguo@chromium.org Review URL: https://codereview.chromium.org/256803010 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21021 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
142 lines
5.7 KiB
C++
142 lines
5.7 KiB
C++
// 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_ACCESSORS_H_
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#define V8_ACCESSORS_H_
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#include "allocation.h"
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#include "v8globals.h"
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namespace v8 {
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namespace internal {
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// The list of accessor descriptors. This is a second-order macro
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// taking a macro to be applied to all accessor descriptor names.
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#define ACCESSOR_DESCRIPTOR_LIST(V) \
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V(ArrayLength)
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#define ACCESSOR_INFO_LIST(V) \
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V(FunctionArguments) \
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V(FunctionCaller) \
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V(FunctionName) \
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V(FunctionLength) \
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V(FunctionPrototype) \
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V(ScriptColumnOffset) \
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V(ScriptCompilationType) \
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V(ScriptContextData) \
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V(ScriptEvalFromScript) \
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V(ScriptEvalFromScriptPosition) \
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V(ScriptEvalFromFunctionName) \
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V(ScriptId) \
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V(ScriptLineEnds) \
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V(ScriptLineOffset) \
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V(ScriptName) \
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V(ScriptSource) \
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V(ScriptType) \
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V(StringLength)
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// Accessors contains all predefined proxy accessors.
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class Accessors : public AllStatic {
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public:
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// Accessor descriptors.
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#define ACCESSOR_DESCRIPTOR_DECLARATION(name) \
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static const AccessorDescriptor name;
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ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION)
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#undef ACCESSOR_DESCRIPTOR_DECLARATION
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#define ACCESSOR_INFO_DECLARATION(name) \
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static void name##Getter( \
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v8::Local<v8::String> name, \
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const v8::PropertyCallbackInfo<v8::Value>& info); \
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static void name##Setter( \
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v8::Local<v8::String> name, \
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v8::Local<v8::Value> value, \
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const v8::PropertyCallbackInfo<void>& info); \
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static Handle<AccessorInfo> name##Info( \
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Isolate* isolate, \
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PropertyAttributes attributes);
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ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
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#undef ACCESSOR_INFO_DECLARATION
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enum DescriptorId {
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#define ACCESSOR_DESCRIPTOR_DECLARATION(name) \
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k##name,
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ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION)
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#undef ACCESSOR_DESCRIPTOR_DECLARATION
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#define ACCESSOR_INFO_DECLARATION(name) \
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k##name##Getter, \
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k##name##Setter,
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ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
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#undef ACCESSOR_INFO_DECLARATION
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descriptorCount
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};
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// Accessor functions called directly from the runtime system.
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static Handle<Object> FunctionSetPrototype(Handle<JSFunction> object,
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Handle<Object> value);
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static Handle<Object> FunctionGetPrototype(Handle<JSFunction> object);
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static Handle<Object> FunctionGetArguments(Handle<JSFunction> object);
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// Accessor infos.
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static Handle<AccessorInfo> MakeModuleExport(
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Handle<String> name, int index, PropertyAttributes attributes);
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// Returns true for properties that are accessors to object fields.
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// If true, *object_offset contains offset of object field.
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template <class T>
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static bool IsJSObjectFieldAccessor(typename T::TypeHandle type,
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Handle<String> name,
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int* object_offset);
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private:
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static Object* FunctionGetCaller(Isolate* isolate,
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Object* object,
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void*);
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static Object* ArraySetLength(Isolate* isolate,
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JSObject* object,
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Object*,
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void*);
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static Object* ArrayGetLength(Isolate* isolate, Object* object, void*);
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// Helper functions.
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static Handle<Object> FlattenNumber(Isolate* isolate, Handle<Object> value);
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static Object* IllegalSetter(Isolate* isolate,
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JSObject*,
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Object*,
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void*);
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static Object* IllegalGetAccessor(Isolate* isolate, Object* object, void*);
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static Object* ReadOnlySetAccessor(Isolate* isolate,
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JSObject*,
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Object* value,
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void*);
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};
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} } // namespace v8::internal
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#endif // V8_ACCESSORS_H_
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