--- parser3/src/classes/reflection.C 2025/05/26 00:52:15 1.98 +++ parser3/src/classes/reflection.C 2025/10/04 15:51:54 1.99 @@ -11,7 +11,7 @@ #include "pa_varray.h" #include "pa_vobject.h" -volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.98 2025/05/26 00:52:15 moko Exp $"; +volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.99 2025/10/04 15:51:54 moko Exp $"; static const String class_type_methoded("methoded"); @@ -161,7 +161,7 @@ static void _class_name(Request& r, Meth } static void _class_by_name(Request& r, MethodParams& params) { - const String& class_name=params.as_string(0, "class_name must be string"); + const String& class_name=params.as_string(0, "class name must be string"); r.write(r.get_class_ref(class_name)); } @@ -538,6 +538,41 @@ static void _mixin(Request& r, MethodPar } } +static void _override(Request& r, MethodParams& params) { + Junction *j=params[0].get_junction(); + const Method* method=j ? j->method : 0; + if(!method) + throw Exception(PARSER_RUNTIME, 0, "param must be method junction"); + + const String *name=method->name; + Value* vtarget=0; + if(params.count()>1) + if(HashStringValue* options=params.as_hash(1, "override options")) { + int valid_options=0; + for(HashStringValue::Iterator i(*options); i; i.next() ){ + if(i.key() == "to") { + vtarget=i.value(); + valid_options++; + } else if(i.key() == "name") { + name=&i.value()->as_string(); + valid_options++; + } + } + if(valid_options!=options->count()) + throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); + } + + if(!vtarget) + vtarget=&r.get_method_frame()->caller()->self(); + + VClass* target=dynamic_cast(vtarget->get_class()); + + if(!target) + throw Exception(PARSER_RUNTIME, 0, "destination must be parser object or class"); + + target->set_method(*name, new Method(*method)); +} + String::Language get_untaint_lang(const String& lang_name); // op.C static void _tainting(Request& r, MethodParams& params) { @@ -745,6 +780,9 @@ MReflection::MReflection(): Methoded("re // ^reflection:mixin[object or class or junction;options] add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2); + // ^reflection:override[method junction[;$.to[class] $.name[another_name]]] + add_native_method("override", Method::CT_STATIC, _override, 1, 2); + // ^reflection:tainting[[language or 'tainted' or 'optimized';]string] add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2);