Add IsCallable method for Object in the API

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 91946417719a56490131ce34e77346d1fbbb05f0..761f7083dd16b9369296be2e15c22f1ef9418fd4 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -3255,6 +3255,18 @@ int v8::Object::GetIndexedPropertiesExternalArrayDataLength() {
 }
 
 
+bool v8::Object::IsCallable() {
+  i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
+  ON_BAILOUT(isolate, "v8::Object::IsCallable()", return false);
+  ENTER_V8(isolate);
+  i::HandleScope scope(isolate);
+  i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
+  if (obj->IsJSFunction())

[Mads Ager (chromium), 2011/05/09 11:38:52]

Either make this a one-liner or use braces.

+      return true;

[Mads Ager (chromium), 2011/05/09 11:38:52]

Two-space indent please.

+  return i::Execution::GetFunctionDelegate(obj)->IsJSFunction();
+}
+
+
 Local<v8::Value> Object::CallAsFunction(v8::Handle<v8::Object> recv, int argc,
                                         v8::Handle<v8::Value> argv[]) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();