JavaScriptCore-521.tar.gz

[apple/javascriptcore.git] / API / JSClassRef.cpp

diff --git a/API/JSClassRef.cpp b/API/JSClassRef.cpp
index 98aaaf5290350574b200c388c4de05d25ea11f5b..afde7ce1a201efbdcd122e1aeed8537c0f0a52e9 100644 (file)
--- a/API/JSClassRef.cpp
+++ b/API/JSClassRef.cpp
@@ -1,4 +1,3 @@
-// -*- mode: c++; c-basic-offset: 4 -*-

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  *
 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  *


@@ -30,21 +29,18 @@
 #include "APICast.h"
 #include "JSCallbackObject.h"
 #include "JSObjectRef.h"
 #include "APICast.h"
 #include "JSCallbackObject.h"
 #include "JSObjectRef.h"

-#include <kjs/JSGlobalObject.h>
-#include <kjs/identifier.h>
-#include <kjs/object_object.h>
+#include <runtime/InitializeThreading.h>
+#include <runtime/JSGlobalObject.h>
+#include <runtime/ObjectPrototype.h>
+#include <runtime/Identifier.h>

 
 

-using namespace KJS;
+using namespace JSC;

 
 const JSClassDefinition kJSClassDefinitionEmpty = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 
 OpaqueJSClass::OpaqueJSClass(const JSClassDefinition* definition, OpaqueJSClass* protoClass) 
 
 const JSClassDefinition kJSClassDefinitionEmpty = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 
 OpaqueJSClass::OpaqueJSClass(const JSClassDefinition* definition, OpaqueJSClass* protoClass) 

-    // FIXME: <rdar://problem/4949018>
-    : className(definition->className)
-    , parentClass(definition->parentClass)
+    : parentClass(definition->parentClass)

     , prototypeClass(0)
     , prototypeClass(0)

-    , staticValues(0)
-    , staticFunctions(0)

     , initialize(definition->initialize)
     , finalize(definition->finalize)
     , hasProperty(definition->hasProperty)
     , initialize(definition->initialize)
     , finalize(definition->finalize)
     , hasProperty(definition->hasProperty)


@@ -56,23 +52,25 @@ OpaqueJSClass::OpaqueJSClass(const JSClassDefinition* definition, OpaqueJSClass*
     , callAsConstructor(definition->callAsConstructor)
     , hasInstance(definition->hasInstance)
     , convertToType(definition->convertToType)
     , callAsConstructor(definition->callAsConstructor)
     , hasInstance(definition->hasInstance)
     , convertToType(definition->convertToType)

-    , cachedPrototype(0)
+    , m_className(UString::Rep::createFromUTF8(definition->className))
+    , m_staticValues(0)
+    , m_staticFunctions(0)

 {
 {

+    initializeThreading();
+

     if (const JSStaticValue* staticValue = definition->staticValues) {
     if (const JSStaticValue* staticValue = definition->staticValues) {

-        staticValues = new StaticValuesTable();
+        m_staticValues = new OpaqueJSClassStaticValuesTable();

         while (staticValue->name) {
         while (staticValue->name) {

-            // FIXME: <rdar://problem/4949018>
-            staticValues->add(Identifier(staticValue->name).ustring().rep(), 
+            m_staticValues->add(UString::Rep::createFromUTF8(staticValue->name),

                               new StaticValueEntry(staticValue->getProperty, staticValue->setProperty, staticValue->attributes));
             ++staticValue;
         }
     }
                               new StaticValueEntry(staticValue->getProperty, staticValue->setProperty, staticValue->attributes));
             ++staticValue;
         }
     }

-    
+

     if (const JSStaticFunction* staticFunction = definition->staticFunctions) {
     if (const JSStaticFunction* staticFunction = definition->staticFunctions) {

-        staticFunctions = new StaticFunctionsTable();
+        m_staticFunctions = new OpaqueJSClassStaticFunctionsTable();

         while (staticFunction->name) {
         while (staticFunction->name) {

-            // FIXME: <rdar://problem/4949018>
-            staticFunctions->add(Identifier(staticFunction->name).ustring().rep(), 
+            m_staticFunctions->add(UString::Rep::createFromUTF8(staticFunction->name),

                                  new StaticFunctionEntry(staticFunction->callAsFunction, staticFunction->attributes));
             ++staticFunction;
         }
                                  new StaticFunctionEntry(staticFunction->callAsFunction, staticFunction->attributes));
             ++staticFunction;
         }


@@ -84,48 +82,131 @@ OpaqueJSClass::OpaqueJSClass(const JSClassDefinition* definition, OpaqueJSClass*
 
 OpaqueJSClass::~OpaqueJSClass()
 {
 
 OpaqueJSClass::~OpaqueJSClass()
 {

-    if (staticValues) {
-        deleteAllValues(*staticValues);
-        delete staticValues;
+    ASSERT(!m_className.rep()->identifierTable());
+
+    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());
+            delete it->second;
+        }
+        delete m_staticValues;

     }
 
     }
 

-    if (staticFunctions) {
-        deleteAllValues(*staticFunctions);
-        delete staticFunctions;
+    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());
+            delete it->second;
+        }
+        delete m_staticFunctions;

     }
     
     if (prototypeClass)
         JSClassRelease(prototypeClass);
 }
 
     }
     
     if (prototypeClass)
         JSClassRelease(prototypeClass);
 }
 

-JSClassRef OpaqueJSClass::createNoAutomaticPrototype(const JSClassDefinition* definition)
+PassRefPtr<OpaqueJSClass> OpaqueJSClass::createNoAutomaticPrototype(const JSClassDefinition* definition)

 {
 {

-    return new OpaqueJSClass(definition, 0);
+    return adoptRef(new OpaqueJSClass(definition, 0));

 }
 
 }
 

-void clearReferenceToPrototype(JSObjectRef prototype)
+static void clearReferenceToPrototype(JSObjectRef prototype)

 {
 {

-    OpaqueJSClass* jsClass = static_cast<OpaqueJSClass*>(JSObjectGetPrivate(prototype));
-    ASSERT(jsClass);
-    jsClass->cachedPrototype = 0;
+    OpaqueJSClassContextData* jsClassData = static_cast<OpaqueJSClassContextData*>(JSObjectGetPrivate(prototype));
+    ASSERT(jsClassData);
+    jsClassData->cachedPrototype = 0;

 }
 
 }
 

-JSClassRef OpaqueJSClass::create(const JSClassDefinition* definition)
+PassRefPtr<OpaqueJSClass> OpaqueJSClass::create(const JSClassDefinition* definition)

 {
     if (const JSStaticFunction* staticFunctions = definition->staticFunctions) {
         // copy functions into a prototype class
         JSClassDefinition protoDefinition = kJSClassDefinitionEmpty;
         protoDefinition.staticFunctions = staticFunctions;
         protoDefinition.finalize = clearReferenceToPrototype;
 {
     if (const JSStaticFunction* staticFunctions = definition->staticFunctions) {
         // copy functions into a prototype class
         JSClassDefinition protoDefinition = kJSClassDefinitionEmpty;
         protoDefinition.staticFunctions = staticFunctions;
         protoDefinition.finalize = clearReferenceToPrototype;

-        OpaqueJSClass* protoClass = new OpaqueJSClass(&protoDefinition, 0);
+        
+        // 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;
 
         // remove functions from the original class
         JSClassDefinition objectDefinition = *definition;
         objectDefinition.staticFunctions = 0;

-        return new OpaqueJSClass(&objectDefinition, protoClass);
+
+        return adoptRef(new OpaqueJSClass(&objectDefinition, protoClass.get()));
+    }
+
+    return adoptRef(new OpaqueJSClass(definition, 0));
+}
+
+OpaqueJSClassContextData::OpaqueJSClassContextData(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));
+        }
+            
+    } 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));
+        }
+            
+    } else
+        staticFunctions = 0;
+}
+
+OpaqueJSClassContextData::~OpaqueJSClassContextData()
+{
+    if (staticValues) {
+        deleteAllValues(*staticValues);
+        delete staticValues;

     }
 
     }
 

-    return new OpaqueJSClass(definition, 0);
+    if (staticFunctions) {
+        deleteAllValues(*staticFunctions);
+        delete staticFunctions;
+    }
+}
+
+OpaqueJSClassContextData& OpaqueJSClass::contextData(ExecState* exec)
+{
+    OpaqueJSClassContextData*& contextData = exec->globalData().opaqueJSClassData.add(this, 0).first->second;
+    if (!contextData)
+        contextData = new OpaqueJSClassContextData(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());
+}
+
+OpaqueJSClassStaticValuesTable* OpaqueJSClass::staticValues(JSC::ExecState* exec)
+{
+    OpaqueJSClassContextData& jsClassData = contextData(exec);
+    return jsClassData.staticValues;
+}
+
+OpaqueJSClassStaticFunctionsTable* OpaqueJSClass::staticFunctions(JSC::ExecState* exec)
+{
+    OpaqueJSClassContextData& jsClassData = contextData(exec);
+    return jsClassData.staticFunctions;

 }
 
 /*!
 }
 
 /*!


@@ -136,7 +217,7 @@ JSClassRef OpaqueJSClass::create(const JSClassDefinition* definition)
  @param jsClass A JSClass whose prototype you want to get.
  @result The JSObject prototype that was automatically generated for jsClass, or NULL if no prototype was automatically generated. This is the prototype that will be used when constructing an object using jsClass.
 */
  @param jsClass A JSClass whose prototype you want to get.
  @result The JSObject prototype that was automatically generated for jsClass, or NULL if no prototype was automatically generated. This is the prototype that will be used when constructing an object using jsClass.
 */

-JSObject* OpaqueJSClass::prototype(JSContextRef ctx)
+JSObject* OpaqueJSClass::prototype(ExecState* exec)

 {
     /* Class (C++) and prototype (JS) inheritance are parallel, so:
      *     (C++)      |        (JS)
 {
     /* Class (C++) and prototype (JS) inheritance are parallel, so:
      *     (C++)      |        (JS)


@@ -148,17 +229,16 @@ JSObject* OpaqueJSClass::prototype(JSContextRef ctx)
     
     if (!prototypeClass)
         return 0;
     
     if (!prototypeClass)
         return 0;

-    
-    ExecState* exec = toJS(ctx);
-    
-    if (!cachedPrototype) {
+
+    OpaqueJSClassContextData& jsClassData = contextData(exec);
+
+    if (!jsClassData.cachedPrototype) {

         // Recursive, but should be good enough for our purposes
         // Recursive, but should be good enough for our purposes

-        JSObject* parentPrototype = 0;
-        if (parentClass)
-            parentPrototype = parentClass->prototype(ctx); // can be null
-        if (!parentPrototype)
-            parentPrototype = exec->dynamicGlobalObject()->objectPrototype();
-        cachedPrototype = new JSCallbackObject<JSObject>(exec, prototypeClass, parentPrototype, this); // set ourself as the object's private data, so it can clear our reference on destruction
+        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
+        if (parentClass) {
+            if (JSObject* prototype = parentClass->prototype(exec))
+                jsClassData.cachedPrototype->setPrototype(prototype);
+        }

     }
     }

-    return cachedPrototype;
+    return jsClassData.cachedPrototype;

 }
 }