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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_ACCESSORS_H_
#define V8_ACCESSORS_H_
#include "include/v8.h"
#include "src/allocation.h"
#include "src/globals.h"
#include "src/handles.h"
#include "src/property-details.h"
namespace v8 {
namespace internal {
// Forward declarations.
class ExecutableAccessorInfo;
// The list of accessor descriptors. This is a second-order macro
// taking a macro to be applied to all accessor descriptor names.
#define ACCESSOR_INFO_LIST(V) \
V(ArgumentsIterator) \
V(ArrayLength) \
V(FunctionArguments) \
V(FunctionCaller) \
V(FunctionName) \
V(FunctionLength) \
V(FunctionPrototype) \
V(ScriptColumnOffset) \
V(ScriptCompilationType) \
V(ScriptContextData) \
V(ScriptEvalFromScript) \
V(ScriptEvalFromScriptPosition) \
V(ScriptEvalFromFunctionName) \
V(ScriptId) \
V(ScriptLineEnds) \
V(ScriptLineOffset) \
V(ScriptName) \
V(ScriptSource) \
V(ScriptType) \
V(ScriptSourceUrl) \
V(ScriptSourceMappingUrl) \
V(ScriptIsEmbedderDebugScript) \
V(StringLength)
// Accessors contains all predefined proxy accessors.
class Accessors : public AllStatic {
public:
// Accessor descriptors.
#define ACCESSOR_INFO_DECLARATION(name) \
static void name##Getter( \
v8::Local<v8::Name> name, \
const v8::PropertyCallbackInfo<v8::Value>& info); \
static void name##Setter( \
v8::Local<v8::Name> name, \
v8::Local<v8::Value> value, \
const v8::PropertyCallbackInfo<void>& info); \
static Handle<AccessorInfo> name##Info( \
Isolate* isolate, \
PropertyAttributes attributes);
ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
#undef ACCESSOR_INFO_DECLARATION
enum DescriptorId {
#define ACCESSOR_INFO_DECLARATION(name) \
k##name##Getter, \
k##name##Setter,
ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION)
#undef ACCESSOR_INFO_DECLARATION
descriptorCount
};
// Accessor functions called directly from the runtime system.
MUST_USE_RESULT static MaybeHandle<Object> FunctionSetPrototype(
Handle<JSFunction> object, Handle<Object> value);
static Handle<Object> FunctionGetArguments(Handle<JSFunction> object);
// Accessor infos.
static Handle<AccessorInfo> MakeModuleExport(
Handle<String> name, int index, PropertyAttributes attributes);
// Returns true for properties that are accessors to object fields.
// If true, *object_offset contains offset of object field.
static bool IsJSObjectFieldAccessor(Handle<Map> map, Handle<Name> name,
int* object_offset);
// Returns true for properties that are accessors to ArrayBufferView and
// derived classes fields. If true, *object_offset contains offset of
// object field. The caller still has to check whether the underlying
// buffer was neutered.
static bool IsJSArrayBufferViewFieldAccessor(Handle<Map> map,
Handle<Name> name,
int* object_offset);
static Handle<AccessorInfo> MakeAccessor(
Isolate* isolate,
Handle<Name> name,
AccessorNameGetterCallback getter,
AccessorNameSetterCallback setter,
PropertyAttributes attributes);
static Handle<ExecutableAccessorInfo> CloneAccessor(
Isolate* isolate,
Handle<ExecutableAccessorInfo> accessor);
};
} } // namespace v8::internal
#endif // V8_ACCESSORS_H_
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