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main_repo / deps / v8 / src / accessors.h @ f230a1cf
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// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_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(FunctionPrototype) \ |
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V(FunctionLength) \ |
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V(FunctionName) \ |
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V(FunctionArguments) \ |
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V(FunctionCaller) \ |
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V(ArrayLength) \ |
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V(StringLength) \ |
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V(ScriptSource) \ |
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V(ScriptName) \ |
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V(ScriptId) \ |
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V(ScriptLineOffset) \ |
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V(ScriptColumnOffset) \ |
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V(ScriptData) \ |
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V(ScriptType) \ |
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V(ScriptCompilationType) \ |
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V(ScriptLineEnds) \ |
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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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// 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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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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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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static bool IsJSObjectFieldAccessor( |
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Handle<Map> map, Handle<String> name, |
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int* object_offset);
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private:
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// Accessor functions only used through the descriptor.
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static MaybeObject* FunctionSetPrototype(Isolate* isolate,
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JSObject* object, |
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Object*, |
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void*);
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static MaybeObject* FunctionGetPrototype(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* FunctionGetLength(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* FunctionGetName(Isolate* isolate, Object* object, void*); |
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static MaybeObject* FunctionGetArguments(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* FunctionGetCaller(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ArraySetLength(Isolate* isolate,
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JSObject* object, |
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Object*, |
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void*);
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static MaybeObject* ArrayGetLength(Isolate* isolate, Object* object, void*); |
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static MaybeObject* StringGetLength(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetName(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetId(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetSource(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetLineOffset(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetColumnOffset(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetData(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetType(Isolate* isolate, Object* object, void*); |
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static MaybeObject* ScriptGetCompilationType(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetLineEnds(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetContextData(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetEvalFromScript(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetEvalFromScriptPosition(Isolate* isolate,
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Object* object, |
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void*);
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static MaybeObject* ScriptGetEvalFromFunctionName(Isolate* isolate,
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Object* object, |
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void*);
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// Helper functions.
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static Object* FlattenNumber(Isolate* isolate, Object* value);
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static MaybeObject* 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 MaybeObject* 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_ |