Re: [PATCH 0/1] MR2559: widl: Add support for inherited runtime classes.

[Rémi Bernon]

Rémi Bernon (@rbernon) commented about tools/widl/parser.y:
> runtimeclass: tRUNTIMECLASS typename		{ $$ = type_runtimeclass_declare($2, current_namespace); }
>   ;
>
> -runtimeclass_def: attributes runtimeclass '{' class_interfaces '}' semicolon_opt
> -						{ $$ = type_runtimeclass_define($2, $1, $4); }
> +base
> +	: %empty				{ $$ = NULL; }
> +	| tRUNTIMECLASS runtimeclass		{ $$ = $2; }
> +	;
> +
> +runtimeclass_def: attributes runtimeclass inherit base '{' class_interfaces '}' semicolon_opt
> +						{ $$ = type_runtimeclass_define($2, $1, $6); }
runtimeclass_def: attributes runtimeclass inherit '{' class_interfaces '}' semicolon_opt
						{ if (type_get_type($3) != TYPE_RUNTIMECLASS) error_loc("%s is not a runtimeclass\n", $3->name);
						  $$ = type_runtimeclass_define($2, $1, $5); }

Assuming base isn't needed.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2559#note_28624