bindings: Makes runtime-enabled attributes on prototype chains compilable.

Source/bindings/core/v8/V8DOMConfiguration.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 50 matching lines @@
         v8::AccessorSetterCallback setter;
         v8::AccessorGetterCallback getterForMainWorld;
         v8::AccessorSetterCallback setterForMainWorld;
         const WrapperTypeInfo* data;
         v8::AccessControl settings;
         v8::PropertyAttribute attribute;
         ExposeConfiguration exposeConfiguration;
         InstanceOrPrototypeConfiguration instanceOrPrototypeConfiguration;
     };
 
+    static void installAttributes(v8::Isolate*, v8::Handle<v8::ObjectTemplate> instanceTemplate, v8::Handle<v8::ObjectTemplate> prototype, const AttributeConfiguration*, size_t attributeCount);
+
+    static void installAttribute(v8::Isolate*, v8::Handle<v8::ObjectTemplate> instanceTemplate, v8::Handle<v8::ObjectTemplate> prototype, const AttributeConfiguration&);
+
+    static void installAttribute(v8::Isolate*, v8::Handle<v8::Object> instanceTemplate, v8::Handle<v8::Object> prototype, const AttributeConfiguration&);
+
     // AccessorConfiguration translates into calls to SetAccessorProperty()
     // on prototype ObjectTemplate.
     struct AccessorConfiguration {
         const char* const name;
         v8::FunctionCallback getter;
         v8::FunctionCallback setter;
         v8::FunctionCallback getterForMainWorld;
         v8::FunctionCallback setterForMainWorld;
         const WrapperTypeInfo* data;
         v8::AccessControl settings;
         v8::PropertyAttribute attribute;
         ExposeConfiguration exposeConfiguration;
     };
 
-    static void installAttributes(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::ObjectTemplate>, const AttributeConfiguration*, size_t attributeCount);
+    static void installAccessors(v8::Isolate*, v8::Handle<v8::ObjectTemplate> prototype, v8::Handle<v8::Signature>, const AccessorConfiguration*, size_t accessorCount);
 
-    template<class ObjectOrTemplate>
-    static inline void installAttribute(v8::Handle<ObjectOrTemplate> instanceTemplate, v8::Handle<ObjectOrTemplate> prototype, const AttributeConfiguration& attribute, v8::Isolate* isolate)
-    {
-        DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
-        if (attribute.exposeConfiguration == OnlyExposedToPrivateScript && !world.isPrivateScriptIsolatedWorld())
-            return;
-
-        v8::AccessorGetterCallback getter = attribute.getter;
-        v8::AccessorSetterCallback setter = attribute.setter;
-        if (world.isMainWorld()) {
-            if (attribute.getterForMainWorld)
-                getter = attribute.getterForMainWorld;
-            if (attribute.setterForMainWorld)
-                setter = attribute.setterForMainWorld;
-        }
-        (attribute.instanceOrPrototypeConfiguration == OnPrototype ? prototype : instanceTemplate)->SetAccessor(v8AtomicString(isolate, attribute.name),
-            getter,
-            setter,
-            v8::External::New(isolate, const_cast<WrapperTypeInfo*>(attribute.data)),
-            attribute.settings,
-            attribute.attribute);
-    }
+    static void installAccessor(v8::Isolate*, v8::Handle<v8::ObjectTemplate> prototype, v8::Handle<v8::Signature>, const AccessorConfiguration&);
 
     enum ConstantType {
         ConstantTypeShort,
         ConstantTypeLong,
         ConstantTypeUnsignedShort,
         ConstantTypeUnsignedLong,
         ConstantTypeFloat,
         ConstantTypeDouble,
         ConstantTypeString
     };
 
     // ConstantConfiguration translates into calls to Set() for setting up an
     // object's constants. It sets the constant on both the FunctionTemplate and
     // the ObjectTemplate. PropertyAttributes is always ReadOnly.
     struct ConstantConfiguration {
         const char* const name;
         int ivalue;
         double dvalue;
         const char* const svalue;
         ConstantType type;
     };
 
-    static void installConstants(v8::Isolate*, v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::ObjectTemplate>, const ConstantConfiguration*, size_t constantCount);
-    static void installConstant(v8::Isolate*, v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::ObjectTemplate>, const char* name, v8::AccessorGetterCallback);
+    // Constant installation
+    //
+    // installConstants and installConstant are used for simple constants. They
+    // install constants using v8::Template::Set(), which results in a property
+    // that is much faster to access from scripts.
+    // installConstantWithGetter is used when some C++ code needs to be executed
+    // when the constant is accessed, e.g. to handle deprecation or measuring
+    // usage. The property appears the same to scripts, but is slower to access.
+    static void installConstants(v8::Isolate*, v8::Handle<v8::FunctionTemplate> functionDescriptor, v8::Handle<v8::ObjectTemplate> prototype, const ConstantConfiguration*, size_t constantCount);
+
+    static void installConstant(v8::Isolate*, v8::Handle<v8::FunctionTemplate> functionDescriptor, v8::Handle<v8::ObjectTemplate> prototype, const ConstantConfiguration&);
+
+    static void installConstantWithGetter(v8::Isolate*, v8::Handle<v8::FunctionTemplate> functionDescriptor, v8::Handle<v8::ObjectTemplate> prototype, const char* name, v8::AccessorGetterCallback);
 
     // MethodConfiguration translates into calls to Set() for setting up an
     // object's callbacks. It sets the method on both the FunctionTemplate or
     // the ObjectTemplate.
     struct MethodConfiguration {
         v8::Local<v8::Name> methodName(v8::Isolate* isolate) const { return v8AtomicString(isolate, name); }
         v8::FunctionCallback callbackForWorld(const DOMWrapperWorld& world) const
         {
             return world.isMainWorld() && callbackForMainWorld ? callbackForMainWorld : callback;
         }
@@ skipping 12 matching lines @@
             return callback;
         }
 
         v8::Local<v8::Symbol> (*getSymbol)(v8::Isolate*);
         v8::FunctionCallback callback;
         // SymbolKeyedMethodConfiguration doesn't support per-world bindings.
         int length;
         ExposeConfiguration exposeConfiguration;
     };
 
-    static void installMethods(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration*, size_t callbackCount);
+    static void installMethods(v8::Isolate*, v8::Handle<v8::ObjectTemplate> prototype, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration*, size_t callbackCount);
 
-    template <class ObjectOrTemplate, class Configuration>
-    static void installMethod(v8::Handle<ObjectOrTemplate> objectOrTemplate, v8::Handle<v8::Signature> signature, v8::PropertyAttribute attribute, const Configuration& callback, v8::Isolate* isolate)
-    {
-        DOMWrapperWorld& world = DOMWrapperWorld::current(isolate);
-        if (callback.exposeConfiguration == OnlyExposedToPrivateScript && !world.isPrivateScriptIsolatedWorld())
-            return;
+    static void installMethod(v8::Isolate*, v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration&);
 
-        v8::Local<v8::FunctionTemplate> functionTemplate = functionTemplateForCallback(isolate, signature, callback.callbackForWorld(world), callback.length);
-        setMethod(objectOrTemplate, callback.methodName(isolate), functionTemplate, attribute);
-    }
+    static void installMethod(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration&);
 
-    static void installAccessors(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, const AccessorConfiguration*, size_t accessorCount);
+    static void installMethod(v8::Isolate*, v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const SymbolKeyedMethodConfiguration&);
 
     static v8::Local<v8::Signature> installDOMClassTemplate(v8::Isolate*, v8::Local<v8::FunctionTemplate>, const char* interfaceName, v8::Handle<v8::FunctionTemplate> parentClass, size_t fieldCount,
         const AttributeConfiguration*, size_t attributeCount,
         const AccessorConfiguration*, size_t accessorCount,
         const MethodConfiguration*, size_t callbackCount);
 
     static v8::Handle<v8::FunctionTemplate> domClassTemplate(v8::Isolate*, WrapperTypeInfo*, void (*)(v8::Local<v8::FunctionTemplate>, v8::Isolate*));
-
-private:
-    static void setMethod(v8::Handle<v8::Object> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
-    {
-        target->Set(name, functionTemplate->GetFunction());
-    }
-    static void setMethod(v8::Handle<v8::FunctionTemplate> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
-    {
-        target->Set(name, functionTemplate, attribute);
-    }
-    static void setMethod(v8::Handle<v8::ObjectTemplate> target, v8::Handle<v8::Name> name, v8::Handle<v8::FunctionTemplate> functionTemplate, v8::PropertyAttribute attribute)
-    {
-        target->Set(name, functionTemplate, attribute);
-    }
-
-    static v8::Handle<v8::FunctionTemplate> functionTemplateForCallback(v8::Isolate*, v8::Handle<v8::Signature>, v8::FunctionCallback, int length);
 };
 
 } // namespace blink
 
 #endif // V8DOMConfiguration_h