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-rw-r--r--Source/JavaScriptCore/runtime/ClassInfo.h101
1 files changed, 54 insertions, 47 deletions
diff --git a/Source/JavaScriptCore/runtime/ClassInfo.h b/Source/JavaScriptCore/runtime/ClassInfo.h
index 8ff75f4eb..480aea220 100644
--- a/Source/JavaScriptCore/runtime/ClassInfo.h
+++ b/Source/JavaScriptCore/runtime/ClassInfo.h
@@ -1,7 +1,7 @@
/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2003-2017 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
@@ -20,17 +20,15 @@
*
*/
-#ifndef ClassInfo_h
-#define ClassInfo_h
+#pragma once
#include "CallFrame.h"
#include "ConstructData.h"
-#include "CopyToken.h"
#include "JSCell.h"
namespace JSC {
-class HashEntry;
+class HeapSnapshotBuilder;
class JSArrayBufferView;
struct HashTable;
@@ -40,20 +38,17 @@ struct MethodTable {
typedef void (*VisitChildrenFunctionPtr)(JSCell*, SlotVisitor&);
VisitChildrenFunctionPtr visitChildren;
-
- typedef void (*CopyBackingStoreFunctionPtr)(JSCell*, CopyVisitor&, CopyToken);
- CopyBackingStoreFunctionPtr copyBackingStore;
-
+
typedef CallType (*GetCallDataFunctionPtr)(JSCell*, CallData&);
GetCallDataFunctionPtr getCallData;
typedef ConstructType (*GetConstructDataFunctionPtr)(JSCell*, ConstructData&);
GetConstructDataFunctionPtr getConstructData;
- typedef void (*PutFunctionPtr)(JSCell*, ExecState*, PropertyName propertyName, JSValue, PutPropertySlot&);
+ typedef bool (*PutFunctionPtr)(JSCell*, ExecState*, PropertyName propertyName, JSValue, PutPropertySlot&);
PutFunctionPtr put;
- typedef void (*PutByIndexFunctionPtr)(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
+ typedef bool (*PutByIndexFunctionPtr)(JSCell*, ExecState*, unsigned propertyName, JSValue, bool shouldThrow);
PutByIndexFunctionPtr putByIndex;
typedef bool (*DeletePropertyFunctionPtr)(JSCell*, ExecState*, PropertyName);
@@ -83,9 +78,18 @@ struct MethodTable {
typedef void (*GetPropertyNamesFunctionPtr)(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
GetPropertyNamesFunctionPtr getPropertyNames;
+ typedef uint32_t (*GetEnumerableLengthFunctionPtr)(ExecState*, JSObject*);
+ GetEnumerableLengthFunctionPtr getEnumerableLength;
+
+ GetPropertyNamesFunctionPtr getStructurePropertyNames;
+ GetPropertyNamesFunctionPtr getGenericPropertyNames;
+
typedef String (*ClassNameFunctionPtr)(const JSObject*);
ClassNameFunctionPtr className;
+ typedef String (*ToStringNameFunctionPtr)(const JSObject*, ExecState*);
+ ToStringNameFunctionPtr toStringName;
+
typedef bool (*CustomHasInstanceFunctionPtr)(JSObject*, ExecState*, JSValue);
CustomHasInstanceFunctionPtr customHasInstance;
@@ -95,8 +99,32 @@ struct MethodTable {
typedef ArrayBuffer* (*SlowDownAndWasteMemory)(JSArrayBufferView*);
SlowDownAndWasteMemory slowDownAndWasteMemory;
- typedef PassRefPtr<ArrayBufferView> (*GetTypedArrayImpl)(JSArrayBufferView*);
+ typedef RefPtr<ArrayBufferView> (*GetTypedArrayImpl)(JSArrayBufferView*);
GetTypedArrayImpl getTypedArrayImpl;
+
+ typedef bool (*PreventExtensionsFunctionPtr)(JSObject*, ExecState*);
+ PreventExtensionsFunctionPtr preventExtensions;
+
+ typedef bool (*IsExtensibleFunctionPtr)(JSObject*, ExecState*);
+ IsExtensibleFunctionPtr isExtensible;
+
+ typedef bool (*SetPrototypeFunctionPtr)(JSObject*, ExecState*, JSValue, bool shouldThrowIfCantSet);
+ SetPrototypeFunctionPtr setPrototype;
+
+ typedef JSValue (*GetPrototypeFunctionPtr)(JSObject*, ExecState*);
+ GetPrototypeFunctionPtr getPrototype;
+
+ typedef void (*DumpToStreamFunctionPtr)(const JSCell*, PrintStream&);
+ DumpToStreamFunctionPtr dumpToStream;
+
+ typedef void (*HeapSnapshotFunctionPtr)(JSCell*, HeapSnapshotBuilder&);
+ HeapSnapshotFunctionPtr heapSnapshot;
+
+ typedef size_t (*EstimatedSizeFunctionPtr)(JSCell*);
+ EstimatedSizeFunctionPtr estimatedSize;
+
+ typedef void (*VisitOutputConstraintsPtr)(JSCell*, SlotVisitor&);
+ VisitOutputConstraintsPtr visitOutputConstraints;
};
#define CREATE_MEMBER_CHECKER(member) \
@@ -121,7 +149,6 @@ struct MethodTable {
#define CREATE_METHOD_TABLE(ClassName) { \
&ClassName::destroy, \
&ClassName::visitChildren, \
- &ClassName::copyBackingStore, \
&ClassName::getCallData, \
&ClassName::getConstructData, \
&ClassName::put, \
@@ -135,11 +162,23 @@ struct MethodTable {
&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::getTypedArrayImpl, \
+ &ClassName::preventExtensions, \
+ &ClassName::isExtensible, \
+ &ClassName::setPrototype, \
+ &ClassName::getPrototype, \
+ &ClassName::dumpToStream, \
+ &ClassName::heapSnapshot, \
+ &ClassName::estimatedSize, \
+ &ClassName::visitOutputConstraints \
}, \
ClassName::TypedArrayStorageType
@@ -151,25 +190,6 @@ struct ClassInfo {
// nullptrif there is none.
const ClassInfo* parentClass;
- // Static hash-table of properties.
- // For classes that can be used from multiple threads, it is accessed via a getter function
- // that would typically return a pointer to a thread-specific value.
- const HashTable* propHashTable(ExecState* exec) const
- {
- if (classPropHashTableGetterFunction)
- return &classPropHashTableGetterFunction(exec->vm());
-
- return staticPropHashTable;
- }
-
- const HashTable* propHashTable(VM& vm) const
- {
- if (classPropHashTableGetterFunction)
- return &classPropHashTableGetterFunction(vm);
-
- return staticPropHashTable;
- }
-
bool isSubClassOf(const ClassInfo* other) const
{
for (const ClassInfo* ci = this; ci; ci = ci->parentClass) {
@@ -179,20 +199,9 @@ struct ClassInfo {
return false;
}
- bool hasStaticProperties() const
- {
- for (const ClassInfo* ci = this; ci; ci = ci->parentClass) {
- if (ci->staticPropHashTable || ci->classPropHashTableGetterFunction)
- return true;
- }
- return false;
- }
-
- bool hasStaticSetterOrReadonlyProperties(VM&) const;
+ JS_EXPORT_PRIVATE bool hasStaticSetterOrReadonlyProperties() const;
const HashTable* staticPropHashTable;
- typedef const HashTable& (*ClassPropHashTableGetterFunction)(VM&);
- const ClassPropHashTableGetterFunction classPropHashTableGetterFunction;
MethodTable methodTable;
@@ -200,5 +209,3 @@ struct ClassInfo {
};
} // namespace JSC
-
-#endif // ClassInfo_h