bindings: Reduces the binary size by reducing # of callback functions.

Source/bindings/templates/interface_base.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by {{code_generator}}. DO NOT MODIFY!
 
 #include "config.h"
 {% filter conditional(conditional_string) %}
 #include "{{v8_class_or_partial}}.h"
 
 {% for filename in cpp_includes if filename != '%s.h' % cpp_class_or_partial %}
 #include "{{filename}}"
 {% endfor %}
 
 namespace blink {
 {% set to_active_dom_object = '%s::toActiveDOMObject' % v8_class
                               if is_active_dom_object else '0' %}
 {% set visit_dom_wrapper = '%s::visitDOMWrapper' % v8_class
                            if has_visit_dom_wrapper else '0' %}
 {% set parent_wrapper_type_info = '&V8%s::wrapperTypeInfo' % parent_interface
                                   if parent_interface else '0' %}
 {% set wrapper_type_prototype = 'WrapperTypeExceptionPrototype' if is_exception else
                                 'WrapperTypeObjectPrototype' %}
 {% set dom_template = '%s::domTemplate' % v8_class if not is_array_buffer_or_view else '0' %}
 
 {% set wrapper_type_info_const = '' if has_partial_interface else 'const ' %}
 {% if not is_partial %}
-{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::trace, {{to_active_dom_object}}, {{visit_dom_wrapper}}, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
+{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::trace, {{to_active_dom_object}}, {{visit_dom_wrapper}}, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, "{{interface_name}}", {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
 
 // This static member must be declared by DEFINE_WRAPPERTYPEINFO in {{cpp_class}}.h.
 // For details, see the comment of DEFINE_WRAPPERTYPEINFO in
 // bindings/core/v8/ScriptWrappable.h.
 {% if is_typed_array_type %}
 template<>
 {% endif %}
 const WrapperTypeInfo& {{cpp_class}}::s_wrapperTypeInfo = {{v8_class}}::wrapperTypeInfo;
 
 {% endif %}
@@ skipping 23 matching lines @@
     ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
     if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
         exceptionState.throwIfNeeded();
         return;
     }
     {% endif %}
     ASSERT(info.This()->IsObject());
     v8::Local<v8::Object>::Cast(info.This())->ForceSet(name, v8Value);
 }
 
+{% if has_constructor_attributes %}
+static void {{cpp_class}}ConstructorAttributeSetterCallback(v8::Local<v8::Name>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
+{
+    TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
+    do {
+        v8::Local<v8::Value> data = info.Data();
+        ASSERT(data->IsExternal());
+        V8PerContextData* perContextData = V8PerContextData::from(info.Holder()->CreationContext());
+        if (!perContextData)
+            break;
+        const WrapperTypeInfo* wrapperTypeInfo = WrapperTypeInfo::unwrap(data);
+        if (!wrapperTypeInfo)
+            break;
+        {{cpp_class}}ForceSetAttributeOnThis(v8String(info.GetIsolate(), wrapperTypeInfo->interfaceName), v8Value, info);
+    } while (false); // do ... while (false) just for use of break
+    TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
+}
+
+{% endif %}
 {% endif %}
 {% endblock %}
 {##############################################################################}
 {% from 'attributes.cpp' import constructor_getter_callback,
        attribute_getter, attribute_getter_callback,
        attribute_setter, attribute_setter_callback,
        attribute_getter_implemented_in_private_script,
        attribute_setter_implemented_in_private_script
        with context %}
 {% for attribute in attributes if attribute.should_be_exposed_to_script %}
 {% for world_suffix in attribute.world_suffixes %}
 {% if not attribute.constructor_type %}
 {% if not attribute.has_custom_getter %}
 {{attribute_getter(attribute, world_suffix)}}
 {% endif %}
 {{attribute_getter_callback(attribute, world_suffix)}}
 {% endif %}
 {% if attribute.has_setter %}
-{% if not attribute.has_custom_setter %}
+{% if not (attribute.has_custom_setter or

[haraken, 2015/03/17 08:48:07]

not (A or (B and not C)) => not A and (not B or C) ?

[Yuki, 2015/03/17 09:10:05]

Done.

+           (attribute.constructor_type and not attribute.needs_constructor_setter_callback)) %}
 {{attribute_setter(attribute, world_suffix)}}
 {% endif %}
+{% if not (attribute.constructor_type and not attribute.needs_constructor_setter_callback) %}

[haraken, 2015/03/17 08:48:08]

not (B and not C) => not B or C ?

[Yuki, 2015/03/17 09:10:05]

Done.

 {{attribute_setter_callback(attribute, world_suffix)}}
 {% endif %}
+{% endif %}
 {% endfor %}
 {% endfor %}
 {##############################################################################}
 {% for attribute in attributes if attribute.needs_constructor_getter_callback %}
 {% for world_suffix in attribute.world_suffixes %}
 {{constructor_getter_callback(attribute, world_suffix)}}
 {% endfor %}
 {% endfor %}
 {##############################################################################}
 {% block security_check_functions %}
@@ skipping 372 matching lines @@
 {% endfor %}
 {% for attribute in attributes if attribute.is_implemented_in_private_script %}
 {{attribute_getter_implemented_in_private_script(attribute)}}
 {% if attribute.has_setter %}
 {{attribute_setter_implemented_in_private_script(attribute)}}
 {% endif %}
 {% endfor %}
 {% block partial_interface %}{% endblock %}
 } // namespace blink
 {% endfilter %}