e4b41d64e5
Review URL: https://codereview.chromium.org/1600353003 Cr-Commit-Position: refs/heads/master@{#33364}
112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_ACCESSORS_H_
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#define V8_ACCESSORS_H_
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#include "include/v8.h"
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#include "src/allocation.h"
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#include "src/globals.h"
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#include "src/handles.h"
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#include "src/property-details.h"
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namespace v8 {
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namespace internal {
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// Forward declarations.
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class AccessorInfo;
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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_INFO_LIST(V) \
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V(ArgumentsIterator) \
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V(ArrayLength) \
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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(ScriptSourceUrl) \
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V(ScriptSourceMappingUrl) \
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V(ScriptIsEmbedderDebugScript) \
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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_INFO_DECLARATION(name) \
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static void name##Getter( \
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v8::Local<v8::Name> 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::Name> 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_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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MUST_USE_RESULT static MaybeHandle<Object> FunctionSetPrototype(
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Handle<JSFunction> object, Handle<Object> value);
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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(Handle<Map> map, Handle<Name> name,
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int* object_offset);
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// Returns true for properties that are accessors to ArrayBufferView and
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// derived classes fields. If true, *object_offset contains offset of
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// object field. The caller still has to check whether the underlying
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// buffer was neutered.
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static bool IsJSArrayBufferViewFieldAccessor(Handle<Map> map,
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Handle<Name> name,
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int* object_offset);
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static Handle<AccessorInfo> MakeAccessor(
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Isolate* isolate,
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Handle<Name> name,
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AccessorNameGetterCallback getter,
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AccessorNameSetterCallback setter,
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PropertyAttributes attributes);
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static Handle<AccessorInfo> CloneAccessor(Isolate* isolate,
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Handle<AccessorInfo> accessor);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_ACCESSORS_H_
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