#include <runtime/JSGlobalObject.h>
#include <runtime/ObjectPrototype.h>
#include <runtime/Identifier.h>
+#include <wtf/text/StringHash.h>
+#include <wtf/unicode/UTF8.h>
+using namespace std;
using namespace JSC;
+using namespace WTF::Unicode;
const JSClassDefinition kJSClassDefinitionEmpty = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+static inline UString tryCreateStringFromUTF8(const char* string)
+{
+ if (!string)
+ return UString();
+
+ size_t length = strlen(string);
+ Vector<UChar, 1024> buffer(length);
+ UChar* p = buffer.data();
+ if (conversionOK != convertUTF8ToUTF16(&string, string + length, &p, p + length))
+ return UString();
+
+ return UString(buffer.data(), p - buffer.data());
+}
+
OpaqueJSClass::OpaqueJSClass(const JSClassDefinition* definition, OpaqueJSClass* protoClass)
: parentClass(definition->parentClass)
, prototypeClass(0)
, callAsConstructor(definition->callAsConstructor)
, hasInstance(definition->hasInstance)
, convertToType(definition->convertToType)
- , m_className(UString::Rep::createFromUTF8(definition->className))
+ , m_className(tryCreateStringFromUTF8(definition->className))
, m_staticValues(0)
, m_staticFunctions(0)
{
if (const JSStaticValue* staticValue = definition->staticValues) {
m_staticValues = new OpaqueJSClassStaticValuesTable();
while (staticValue->name) {
- m_staticValues->add(UString::Rep::createFromUTF8(staticValue->name),
- new StaticValueEntry(staticValue->getProperty, staticValue->setProperty, staticValue->attributes));
+ UString valueName = tryCreateStringFromUTF8(staticValue->name);
+ if (!valueName.isNull()) {
+ // Use a local variable here to sidestep an RVCT compiler bug.
+ StaticValueEntry* entry = new StaticValueEntry(staticValue->getProperty, staticValue->setProperty, staticValue->attributes);
+ StringImpl* impl = valueName.impl();
+ StaticValueEntry* existingEntry = m_staticValues->get(impl);
+ m_staticValues->set(impl, entry);
+ delete existingEntry;
+ }
++staticValue;
}
}
if (const JSStaticFunction* staticFunction = definition->staticFunctions) {
m_staticFunctions = new OpaqueJSClassStaticFunctionsTable();
while (staticFunction->name) {
- m_staticFunctions->add(UString::Rep::createFromUTF8(staticFunction->name),
- new StaticFunctionEntry(staticFunction->callAsFunction, staticFunction->attributes));
+ UString functionName = tryCreateStringFromUTF8(staticFunction->name);
+ if (!functionName.isNull()) {
+ // Use a local variable here to sidestep an RVCT compiler bug.
+ StaticFunctionEntry* entry = new StaticFunctionEntry(staticFunction->callAsFunction, staticFunction->attributes);
+ StringImpl* impl = functionName.impl();
+ StaticFunctionEntry* existingEntry = m_staticFunctions->get(impl);
+ m_staticFunctions->set(impl, entry);
+ delete existingEntry;
+ }
++staticFunction;
}
}
OpaqueJSClass::~OpaqueJSClass()
{
- ASSERT(!m_className.rep()->identifierTable());
+ // The empty string is shared across threads & is an identifier, in all other cases we should have done a deep copy in className(), below.
+ ASSERT(!m_className.length() || !m_className.impl()->isIdentifier());
if (m_staticValues) {
OpaqueJSClassStaticValuesTable::const_iterator end = m_staticValues->end();
for (OpaqueJSClassStaticValuesTable::const_iterator it = m_staticValues->begin(); it != end; ++it) {
- ASSERT(!it->first->identifierTable());
+ ASSERT(!it->first->isIdentifier());
delete it->second;
}
delete m_staticValues;
if (m_staticFunctions) {
OpaqueJSClassStaticFunctionsTable::const_iterator end = m_staticFunctions->end();
for (OpaqueJSClassStaticFunctionsTable::const_iterator it = m_staticFunctions->begin(); it != end; ++it) {
- ASSERT(!it->first->identifierTable());
+ ASSERT(!it->first->isIdentifier());
delete it->second;
}
delete m_staticFunctions;
return adoptRef(new OpaqueJSClass(definition, 0));
}
-static void clearReferenceToPrototype(JSObjectRef prototype)
-{
- OpaqueJSClassContextData* jsClassData = static_cast<OpaqueJSClassContextData*>(JSObjectGetPrivate(prototype));
- ASSERT(jsClassData);
- jsClassData->cachedPrototype = 0;
-}
-
-PassRefPtr<OpaqueJSClass> OpaqueJSClass::create(const JSClassDefinition* definition)
+PassRefPtr<OpaqueJSClass> OpaqueJSClass::create(const JSClassDefinition* clientDefinition)
{
- if (const JSStaticFunction* staticFunctions = definition->staticFunctions) {
- // copy functions into a prototype class
- JSClassDefinition protoDefinition = kJSClassDefinitionEmpty;
- protoDefinition.staticFunctions = staticFunctions;
- protoDefinition.finalize = clearReferenceToPrototype;
-
- // We are supposed to use JSClassRetain/Release but since we know that we currently have
- // the only reference to this class object we cheat and use a RefPtr instead.
- RefPtr<OpaqueJSClass> protoClass = adoptRef(new OpaqueJSClass(&protoDefinition, 0));
-
- // remove functions from the original class
- JSClassDefinition objectDefinition = *definition;
- objectDefinition.staticFunctions = 0;
-
- return adoptRef(new OpaqueJSClass(&objectDefinition, protoClass.get()));
- }
+ JSClassDefinition definition = *clientDefinition; // Avoid modifying client copy.
- return adoptRef(new OpaqueJSClass(definition, 0));
+ JSClassDefinition protoDefinition = kJSClassDefinitionEmpty;
+ protoDefinition.finalize = 0;
+ swap(definition.staticFunctions, protoDefinition.staticFunctions); // Move static functions to the prototype.
+
+ // We are supposed to use JSClassRetain/Release but since we know that we currently have
+ // the only reference to this class object we cheat and use a RefPtr instead.
+ RefPtr<OpaqueJSClass> protoClass = adoptRef(new OpaqueJSClass(&protoDefinition, 0));
+ return adoptRef(new OpaqueJSClass(&definition, protoClass.get()));
}
-OpaqueJSClassContextData::OpaqueJSClassContextData(OpaqueJSClass* jsClass)
+OpaqueJSClassContextData::OpaqueJSClassContextData(JSC::JSGlobalData&, OpaqueJSClass* jsClass)
: m_class(jsClass)
- , cachedPrototype(0)
{
if (jsClass->m_staticValues) {
staticValues = new OpaqueJSClassStaticValuesTable;
OpaqueJSClassStaticValuesTable::const_iterator end = jsClass->m_staticValues->end();
for (OpaqueJSClassStaticValuesTable::const_iterator it = jsClass->m_staticValues->begin(); it != end; ++it) {
- ASSERT(!it->first->identifierTable());
- staticValues->add(UString::Rep::createCopying(it->first->data(), it->first->size()),
- new StaticValueEntry(it->second->getProperty, it->second->setProperty, it->second->attributes));
+ ASSERT(!it->first->isIdentifier());
+ // Use a local variable here to sidestep an RVCT compiler bug.
+ StaticValueEntry* entry = new StaticValueEntry(it->second->getProperty, it->second->setProperty, it->second->attributes);
+ staticValues->add(StringImpl::create(it->first->characters(), it->first->length()), entry);
}
-
} else
staticValues = 0;
-
if (jsClass->m_staticFunctions) {
staticFunctions = new OpaqueJSClassStaticFunctionsTable;
OpaqueJSClassStaticFunctionsTable::const_iterator end = jsClass->m_staticFunctions->end();
for (OpaqueJSClassStaticFunctionsTable::const_iterator it = jsClass->m_staticFunctions->begin(); it != end; ++it) {
- ASSERT(!it->first->identifierTable());
- staticFunctions->add(UString::Rep::createCopying(it->first->data(), it->first->size()),
- new StaticFunctionEntry(it->second->callAsFunction, it->second->attributes));
+ ASSERT(!it->first->isIdentifier());
+ // Use a local variable here to sidestep an RVCT compiler bug.
+ StaticFunctionEntry* entry = new StaticFunctionEntry(it->second->callAsFunction, it->second->attributes);
+ staticFunctions->add(StringImpl::create(it->first->characters(), it->first->length()), entry);
}
} else
{
OpaqueJSClassContextData*& contextData = exec->globalData().opaqueJSClassData.add(this, 0).first->second;
if (!contextData)
- contextData = new OpaqueJSClassContextData(this);
+ contextData = new OpaqueJSClassContextData(exec->globalData(), this);
return *contextData;
}
UString OpaqueJSClass::className()
{
// Make a deep copy, so that the caller has no chance to put the original into IdentifierTable.
- return UString(m_className.data(), m_className.size());
+ return UString(m_className.characters(), m_className.length());
}
OpaqueJSClassStaticValuesTable* OpaqueJSClass::staticValues(JSC::ExecState* exec)
if (!jsClassData.cachedPrototype) {
// Recursive, but should be good enough for our purposes
- jsClassData.cachedPrototype = new (exec) JSCallbackObject<JSObject>(exec, exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData); // set jsClassData as the object's private data, so it can clear our reference on destruction
+ jsClassData.cachedPrototype.set(exec->globalData(), new (exec) JSCallbackObject<JSObjectWithGlobalObject>(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData), 0); // set jsClassData as the object's private data, so it can clear our reference on destruction
if (parentClass) {
if (JSObject* prototype = parentClass->prototype(exec))
- jsClassData.cachedPrototype->setPrototype(prototype);
+ jsClassData.cachedPrototype->setPrototype(exec->globalData(), prototype);
}
}
- return jsClassData.cachedPrototype;
+ return jsClassData.cachedPrototype.get();
}