+
+static bool property_attribute_equal(const attribute_property_argument_t *prop1,
+ const attribute_property_argument_t *prop2)
+{
+ return prop1->put_symbol == prop2->put_symbol
+ && prop1->get_symbol == prop2->get_symbol;
+}
+
+static bool attribute_argument_equal(const attribute_argument_t *arg1,
+ const attribute_argument_t *arg2)
+{
+ if (arg1->kind != arg2->kind)
+ return false;
+
+ switch (arg1->kind) {
+ case ATTRIBUTE_ARGUMENT_SYMBOL:
+ return arg1->v.symbol == arg2->v.symbol;
+ case ATTRIBUTE_ARGUMENT_EXPRESSION:
+ /* TODO */
+ return false;
+ }
+ panic("Unknown argument type found");
+}
+
+static bool attribute_arguments_equal(const attribute_argument_t *args1,
+ const attribute_argument_t *args2)
+{
+ for ( ; args1 != NULL && args2 != NULL;
+ args1 = args1->next, args2 = args2->next) {
+ if (!attribute_argument_equal(args1, args2))
+ return false;
+ }
+ /* both should be NULL now */
+ return args1 == args2;
+}
+
+bool attributes_equal(const attribute_t *attr1, const attribute_t *attr2)
+{
+ if (attr1->kind != attr2->kind)
+ return false;
+
+ switch (attr1->kind) {
+ case ATTRIBUTE_MS_PROPERTY:
+ return property_attribute_equal(attr1->a.property, attr2->a.property);
+ default:
+ return attribute_arguments_equal(attr1->a.arguments,
+ attr2->a.arguments);
+ }
+}