Generate binding code for VoidCallback.idl with code generator in python

Source/bindings/templates/callback.cpp

Index: Source/bindings/templates/callback.cpp
diff --git a/Source/bindings/templates/callback.cpp b/Source/bindings/templates/callback.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..24c10f40b54aead0e1f2215aa57e24cdaa4cb095
--- /dev/null
+++ b/Source/bindings/templates/callback.cpp
@@ -0,0 +1,87 @@
+/*
+    This file is part of the Blink open source project.
+    This file has been auto-generated by CodeGeneratorV8.pm. DO NOT MODIFY!
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+    Boston, MA 02111-1307, USA.
+*/
+
+#include "config.h"
+{% if conditional_string %}
+#if {{conditional_string}}
+{% endif %}
+#include "{{v8_class_name}}.h"
+
+{% for filename in includes %}
+#include "{{filename}}"
+{% endfor %}
+namespace WebCore {
+
+{{v8_class_name}}::{{v8_class_name}}(v8::Handle<v8::Object> callback, ScriptExecutionContext* context)
+    : ActiveDOMCallback(context)
+    , m_callback(callback)
+    , m_world(DOMWrapperWorld::current())
+{
+}
+
+{{v8_class_name}}::~{{v8_class_name}}()
+{
+}
+
+// Functions
+
+{% for function in functions %}
+{{function["return_type"]}} {{v8_class_name}}::{{function["name"]}}({{function["parameter_declaration"]}})
+{
+    if (!canInvokeCallback())
+        return true;
+
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    v8::HandleScope handleScope(isolate);
+
+    v8::Handle<v8::Context> v8Context = toV8Context(scriptExecutionContext(), m_world.get());
+    if (v8Context.IsEmpty())
+        return true;
+
+    v8::Context::Scope scope(v8Context);
+
+{% for parameter in function["parameters"] %}
+    {{parameter["native_to_js_value_statement"] | indent(4)}}
+    if ({{parameter["name"]}}Handle.IsEmpty()) {
+        if (!isScriptControllerTerminating())
+            CRASH();
+        return true;
+    }
+{% endfor %}
+
+{% if function["parameters"] | length > 0 %}
+    v8::Handle<v8::Value> argv[] = {
+        {{function["handles"] | indent(8)}}
+    };
+{% else %}
+    v8::Handle<v8::Value> *argv = 0;
+{% endif %}
+
+    bool callbackReturnValue = false;
+    return !invokeCallback(m_callback.newLocal(isolate), {{function["parameters"]|length}}, argv, callbackReturnValue, scriptExecutionContext());
+}
+
+{% endfor %}
+} // namespace WebCore
+
+{% if conditional_string %}
+#endif // {{conditional_string}}
+{% endif %}
+