#pragma once
#include "CallFrame.h"
#include "ConstructData.h"
#include "JSCell.h"
namespace WTF {
class PrintStream;
};
namespace JSC {
class HeapSnapshotBuilder;
class JSArrayBufferView;
class Snippet;
struct HashTable;
struct MethodTable {
using DestroyFunctionPtr = void (*)(JSCell*);
DestroyFunctionPtr destroy;
using VisitChildrenFunctionPtr = void (*)(JSCell*, SlotVisitor&);
VisitChildrenFunctionPtr visitChildren;
using GetCallDataFunctionPtr = CallType (*)(JSCell*, CallData&);
GetCallDataFunctionPtr getCallData;
using GetConstructDataFunctionPtr = ConstructType (*)(JSCell*, ConstructData&);
GetConstructDataFunctionPtr getConstructData;
using PutFunctionPtr = bool (*)(JSCell*, ExecState*, PropertyName propertyName, JSValue, PutPropertySlot&);
PutFunctionPtr put;
using PutByIndexFunctionPtr = bool (*)(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
PutByIndexFunctionPtr putByIndex;
using DeletePropertyFunctionPtr = bool (*)(JSCell*, ExecState*, PropertyName);
DeletePropertyFunctionPtr deleteProperty;
using DeletePropertyByIndexFunctionPtr = bool (*)(JSCell*, ExecState*, unsigned);
DeletePropertyByIndexFunctionPtr deletePropertyByIndex;
using GetOwnPropertySlotFunctionPtr = bool (*)(JSObject*, ExecState*, PropertyName, PropertySlot&);
GetOwnPropertySlotFunctionPtr getOwnPropertySlot;
using GetOwnPropertySlotByIndexFunctionPtr = bool (*)(JSObject*, ExecState*, unsigned, PropertySlot&);
GetOwnPropertySlotByIndexFunctionPtr getOwnPropertySlotByIndex;
using ToThisFunctionPtr = JSValue (*)(JSCell*, ExecState*, ECMAMode);
ToThisFunctionPtr toThis;
using DefaultValueFunctionPtr = JSValue (*)(const JSObject*, ExecState*, PreferredPrimitiveType);
DefaultValueFunctionPtr defaultValue;
using GetOwnPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetOwnPropertyNamesFunctionPtr getOwnPropertyNames;
using GetOwnNonIndexPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetOwnNonIndexPropertyNamesFunctionPtr getOwnNonIndexPropertyNames;
using GetPropertyNamesFunctionPtr = void (*)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetPropertyNamesFunctionPtr getPropertyNames;
using GetEnumerableLengthFunctionPtr = uint32_t (*)(ExecState*, JSObject*);
GetEnumerableLengthFunctionPtr getEnumerableLength;
GetPropertyNamesFunctionPtr getStructurePropertyNames;
GetPropertyNamesFunctionPtr getGenericPropertyNames;
using ClassNameFunctionPtr = String (*)(const JSObject*);
ClassNameFunctionPtr className;
using ToStringNameFunctionPtr = String (*)(const JSObject*, ExecState*);
ToStringNameFunctionPtr toStringName;
using CustomHasInstanceFunctionPtr = bool (*)(JSObject*, ExecState*, JSValue);
CustomHasInstanceFunctionPtr customHasInstance;
using DefineOwnPropertyFunctionPtr = bool (*)(JSObject*, ExecState*, PropertyName, const PropertyDescriptor&, bool);
DefineOwnPropertyFunctionPtr defineOwnProperty;
using SlowDownAndWasteMemory = ArrayBuffer* (*)(JSArrayBufferView*);
SlowDownAndWasteMemory slowDownAndWasteMemory;
using GetTypedArrayImpl = RefPtr<ArrayBufferView> (*)(JSArrayBufferView*);
GetTypedArrayImpl getTypedArrayImpl;
using PreventExtensionsFunctionPtr = bool (*)(JSObject*, ExecState*);
PreventExtensionsFunctionPtr preventExtensions;
using IsExtensibleFunctionPtr = bool (*)(JSObject*, ExecState*);
IsExtensibleFunctionPtr isExtensible;
using SetPrototypeFunctionPtr = bool (*)(JSObject*, ExecState*, JSValue, bool shouldThrowIfCantSet);
SetPrototypeFunctionPtr setPrototype;
using GetPrototypeFunctionPtr = JSValue (*)(JSObject*, ExecState*);
GetPrototypeFunctionPtr getPrototype;
using DumpToStreamFunctionPtr = void (*)(const JSCell*, PrintStream&);
DumpToStreamFunctionPtr dumpToStream;
using HeapSnapshotFunctionPtr = void (*)(JSCell*, HeapSnapshotBuilder&);
HeapSnapshotFunctionPtr heapSnapshot;
using EstimatedSizeFunctionPtr = size_t (*)(JSCell*);
EstimatedSizeFunctionPtr estimatedSize;
using VisitOutputConstraintsPtr = void (*)(JSCell*, SlotVisitor&);
VisitOutputConstraintsPtr visitOutputConstraints;
using ReifyPropertyNameIfNeededPtr = PropertyReificationResult (*)(JSCell*, ExecState*, PropertyName&);
ReifyPropertyNameIfNeededPtr 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 {
const char* className;
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;
};
}