proceed with debugging

components/script/dom/bindings/codegen/CodegenRust.py

@@ -4750,13 +4750,22 @@ def __init__(self, descriptor, name):
     def define(self):
         # Our first argument is the id we're getting.
         argName = self.arguments[0].identifier.name
-        return ("println!(\"==========-o-o-o1 {:?}\", id);\n"
-                "match "
+        return ("println!(\"===DEBUG-o-o-o-7 {:?}\", jsid_to_string(cx, id) );\n"
+                "if jsid_to_string(cx, id).is_none() {\n"
+                "    return false\n"
+                "}\n"
                 "let %s = string_jsid_to_string(cx, id);\n"
                 "let this = UnwrapProxy(proxy);\n"
                 "let this = &*this;\n" % argName +
                 CGProxySpecialOperation.define(self))
 
+# "//let mut this;\n"
+# "//let mut %s;\n"
+# "//match jsid_to_string(cx, id) {\n"
+# "//   None => return false,\n"
+# "//   Some(str_name) => {\n"
+# "    },\n"
+# "//}\n" % argName +
 
 class CGProxyNamedGetter(CGProxyNamedOperation):
     """
@@ -5724,6 +5733,7 @@ def generate_imports(config, cgthings, descriptors, callbacks=None, dictionaries
         'dom::bindings::conversions::root_from_handlevalue',
         'dom::bindings::conversions::root_from_object',
         'dom::bindings::conversions::string_jsid_to_string',
+        'dom::bindings::conversions::jsid_to_string',
         'dom::bindings::codegen::PrototypeList',
         'dom::bindings::codegen::RegisterBindings',
         'dom::bindings::codegen::UnionTypes',

components/script/dom/bindings/conversions.rs

@@ -141,6 +141,8 @@ impl <T: FromJSValConvertible + JSTraceable> FromJSValConvertible for RootedTrac
 /// Panics if `id` is not string-valued.
 pub fn string_jsid_to_string(cx: *mut JSContext, id: HandleId) -> DOMString {
     unsafe {
+        println!("===DEBUG-o-o-o-1 {:?}", jsid_to_string(cx, id) );
+        println!("===DEBUG-o-o-o-2 {:?}", jsid_to_string(cx, id).is_some() );
         assert!(RUST_JSID_IS_STRING(id));
         jsstring_to_str(cx, RUST_JSID_TO_STRING(id))
     }