blob: 687bd9ae9ceff3065128c1d4739a4ceb7f2aab0b [file] [log] [blame]
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2003-2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "CallFrame.h"
#include "ConstructData.h"
#include "JSCast.h"
namespace WTF {
class PrintStream;
};
namespace JSC {
class HeapSnapshotBuilder;
class JSArrayBufferView;
class Snippet;
struct HashTable;
struct MethodTable {
using DestroyFunctionPtr = void (*)(JSCell*);
DestroyFunctionPtr WTF_METHOD_TABLE_ENTRY(destroy);
using VisitChildrenFunctionPtr = void (*)(JSCell*, SlotVisitor&);
VisitChildrenFunctionPtr WTF_METHOD_TABLE_ENTRY(visitChildren);
using GetCallDataFunctionPtr = CallType (*)(JSCell*, CallData&);
GetCallDataFunctionPtr WTF_METHOD_TABLE_ENTRY(getCallData);
using GetConstructDataFunctionPtr = ConstructType (*)(JSCell*, ConstructData&);
GetConstructDataFunctionPtr WTF_METHOD_TABLE_ENTRY(getConstructData);
using PutFunctionPtr = bool (*)(JSCell*, ExecState*, PropertyName propertyName, JSValue, PutPropertySlot&);
PutFunctionPtr WTF_METHOD_TABLE_ENTRY(put);
using PutByIndexFunctionPtr = bool (*)(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
PutByIndexFunctionPtr WTF_METHOD_TABLE_ENTRY(putByIndex);
using DeletePropertyFunctionPtr = bool (*)(JSCell*, ExecState*, PropertyName);
DeletePropertyFunctionPtr WTF_METHOD_TABLE_ENTRY(deleteProperty);
using DeletePropertyByIndexFunctionPtr = bool (*)(JSCell*, ExecState*, unsigned);
DeletePropertyByIndexFunctionPtr WTF_METHOD_TABLE_ENTRY(deletePropertyByIndex);
using GetOwnPropertySlotFunctionPtr = bool (*)(JSObject*, ExecState*, PropertyName, PropertySlot&);
GetOwnPropertySlotFunctionPtr WTF_METHOD_TABLE_ENTRY(getOwnPropertySlot);
using GetOwnPropertySlotByIndexFunctionPtr = bool (*)(JSObject*, ExecState*, unsigned, PropertySlot&);
GetOwnPropertySlotByIndexFunctionPtr WTF_METHOD_TABLE_ENTRY(getOwnPropertySlotByIndex);
using ToThisFunctionPtr = JSValue (*)(JSCell*, ExecState*, ECMAMode);
ToThisFunctionPtr WTF_METHOD_TABLE_ENTRY(toThis);
using DefaultValueFunctionPtr = JSValue (*)(const JSObject*, ExecState*, PreferredPrimitiveType);
DefaultValueFunctionPtr WTF_METHOD_TABLE_ENTRY(defaultValue);
using GetOwnPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetOwnPropertyNamesFunctionPtr WTF_METHOD_TABLE_ENTRY(getOwnPropertyNames);
using GetOwnNonIndexPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetOwnNonIndexPropertyNamesFunctionPtr WTF_METHOD_TABLE_ENTRY(getOwnNonIndexPropertyNames);
using GetPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetPropertyNamesFunctionPtr WTF_METHOD_TABLE_ENTRY(getPropertyNames);
using GetEnumerableLengthFunctionPtr = uint32_t (*)(ExecState*, JSObject*);
GetEnumerableLengthFunctionPtr WTF_METHOD_TABLE_ENTRY(getEnumerableLength);
GetPropertyNamesFunctionPtr WTF_METHOD_TABLE_ENTRY(getStructurePropertyNames);
GetPropertyNamesFunctionPtr WTF_METHOD_TABLE_ENTRY(getGenericPropertyNames);
using ClassNameFunctionPtr = String (*)(const JSObject*);
ClassNameFunctionPtr WTF_METHOD_TABLE_ENTRY(className);
using ToStringNameFunctionPtr = String (*)(const JSObject*, ExecState*);
ToStringNameFunctionPtr WTF_METHOD_TABLE_ENTRY(toStringName);
using CustomHasInstanceFunctionPtr = bool (*)(JSObject*, ExecState*, JSValue);
CustomHasInstanceFunctionPtr WTF_METHOD_TABLE_ENTRY(customHasInstance);
using DefineOwnPropertyFunctionPtr = bool (*)(JSObject*, ExecState*, PropertyName, const PropertyDescriptor&, bool);
DefineOwnPropertyFunctionPtr WTF_METHOD_TABLE_ENTRY(defineOwnProperty);
using SlowDownAndWasteMemory = ArrayBuffer* (*)(JSArrayBufferView*);
SlowDownAndWasteMemory WTF_METHOD_TABLE_ENTRY(slowDownAndWasteMemory);
using GetTypedArrayImpl = RefPtr<ArrayBufferView> (*)(JSArrayBufferView*);
GetTypedArrayImpl WTF_METHOD_TABLE_ENTRY(getTypedArrayImpl);
using PreventExtensionsFunctionPtr = bool (*)(JSObject*, ExecState*);
PreventExtensionsFunctionPtr WTF_METHOD_TABLE_ENTRY(preventExtensions);
using IsExtensibleFunctionPtr = bool (*)(JSObject*, ExecState*);
IsExtensibleFunctionPtr WTF_METHOD_TABLE_ENTRY(isExtensible);
using SetPrototypeFunctionPtr = bool (*)(JSObject*, ExecState*, JSValue, bool shouldThrowIfCantSet);
SetPrototypeFunctionPtr WTF_METHOD_TABLE_ENTRY(setPrototype);
using GetPrototypeFunctionPtr = JSValue (*)(JSObject*, ExecState*);
GetPrototypeFunctionPtr WTF_METHOD_TABLE_ENTRY(getPrototype);
using DumpToStreamFunctionPtr = void (*)(const JSCell*, PrintStream&);
DumpToStreamFunctionPtr WTF_METHOD_TABLE_ENTRY(dumpToStream);
using HeapSnapshotFunctionPtr = void (*)(JSCell*, HeapSnapshotBuilder&);
HeapSnapshotFunctionPtr WTF_METHOD_TABLE_ENTRY(heapSnapshot);
using EstimatedSizeFunctionPtr = size_t (*)(JSCell*);
EstimatedSizeFunctionPtr WTF_METHOD_TABLE_ENTRY(estimatedSize);
using VisitOutputConstraintsPtr = void (*)(JSCell*, SlotVisitor&);
VisitOutputConstraintsPtr WTF_METHOD_TABLE_ENTRY(visitOutputConstraints);
using ReifyPropertyNameIfNeededPtr = PropertyReificationResult (*)(JSCell*, ExecState*, PropertyName&);
ReifyPropertyNameIfNeededPtr WTF_METHOD_TABLE_ENTRY(reifyPropertyNameIfNeeded);
};
#define CREATE_MEMBER_CHECKER(member) \
template <typename T> \
struct MemberCheck##member { \
struct Fallback { \
void member(...); \
}; \
struct Derived : T, Fallback { }; \
template <typename U, U> struct Check; \
typedef char Yes[2]; \
typedef char No[1]; \
template <typename U> \
static No &func(Check<void (Fallback::*)(...), &U::member>*); \
template <typename U> \
static Yes &func(...); \
enum { has = sizeof(func<Derived>(0)) == sizeof(Yes) }; \
}
#define HAS_MEMBER_NAMED(klass, name) (MemberCheck##name<klass>::has)
#define CREATE_METHOD_TABLE(ClassName) { \
&ClassName::destroy, \
&ClassName::visitChildren, \
&ClassName::getCallData, \
&ClassName::getConstructData, \
&ClassName::put, \
&ClassName::putByIndex, \
&ClassName::deleteProperty, \
&ClassName::deletePropertyByIndex, \
&ClassName::getOwnPropertySlot, \
&ClassName::getOwnPropertySlotByIndex, \
&ClassName::toThis, \
&ClassName::defaultValue, \
&ClassName::getOwnPropertyNames, \
&ClassName::getOwnNonIndexPropertyNames, \
&ClassName::getPropertyNames, \
&ClassName::getEnumerableLength, \
&ClassName::getStructurePropertyNames, \
&ClassName::getGenericPropertyNames, \
&ClassName::className, \
&ClassName::toStringName, \
&ClassName::customHasInstance, \
&ClassName::defineOwnProperty, \
&ClassName::slowDownAndWasteMemory, \
&ClassName::getTypedArrayImpl, \
&ClassName::preventExtensions, \
&ClassName::isExtensible, \
&ClassName::setPrototype, \
&ClassName::getPrototype, \
&ClassName::dumpToStream, \
&ClassName::heapSnapshot, \
&ClassName::estimatedSize, \
&ClassName::visitOutputConstraints, \
&ClassName::reifyPropertyNameIfNeeded, \
}, \
ClassName::TypedArrayStorageType
struct ClassInfo {
// A string denoting the class name. Example: "Window".
const char* className;
// Pointer to the class information of the base class.
// nullptrif there is none.
const ClassInfo* parentClass;
static ptrdiff_t offsetOfParentClass()
{
return OBJECT_OFFSETOF(ClassInfo, parentClass);
}
bool isSubClassOf(const ClassInfo* other) const
{
for (const ClassInfo* ci = this; ci; ci = ci->parentClass) {
if (ci == other)
return true;
}
return false;
}
JS_EXPORT_PRIVATE void dump(PrintStream&) const;
JS_EXPORT_PRIVATE bool hasStaticSetterOrReadonlyProperties() const;
const HashTable* staticPropHashTable;
using CheckSubClassSnippetFunctionPtr = Ref<Snippet> (*)(void);
CheckSubClassSnippetFunctionPtr checkSubClassSnippet;
MethodTable methodTable;
TypedArrayType typedArrayStorageType;
};
} // namespace JSC