[PATCH 1/7] widl: Generate helper macros for WinRT implementation.

[Jacek Caban]

Hi Rémi,

On 22.02.2021 10:02, Rémi Bernon wrote:
> +static void write_widl_using_method_macros(FILE *header, const type_t *iface, const type_t *top_iface)
> +{
> +    const statement_t *stmt;
> +    const char *name = top_iface->short_name ? top_iface->short_name : top_iface->name;
> +
> +    if (type_iface_get_inherit(iface)) write_widl_using_method_macros(header, type_iface_get_inherit(iface), top_iface);
> +
> +    STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface))
> +    {
> +        const var_t *func = stmt->u.var;
> +        const char *func_name;
> +
> +        if (is_override_method(iface, top_iface, func)) continue;
> +        if (is_callas(func->attrs)) continue;
> +
> +        func_name = get_name(func);
> +        fprintf(header, "#define %s_%s %s_%s\n", name, func_name, top_iface->c_name, func_name);
> +    }
> +}
> +
> +static char *format_widl_using_macro(const type_t *type)
> +{
> +    char *name = format_namespace(type->namespace, "WIDL_USING_", "_", "", NULL);
> +    int i = strlen(name);
> +    if (i) name[i - 1] = 0; /* remove trailing underscore */


Not a big deal, but maybe the helper should take care of that instead? 
For example NULL suffix could case the separator not to be appended.


> diff --git a/tools/widl/widltypes.h b/tools/widl/widltypes.h
> index 81646cae1d1..bedba40d903 100644
> --- a/tools/widl/widltypes.h
> +++ b/tools/widl/widltypes.h
> @@ -504,6 +504,7 @@ struct _type_t {
>     const char *c_name;
>     const char *signature;
>     const char *qualified_name;
> +  const char *short_name;
>     unsigned int typestring_offset;
>     unsigned int ptrdesc;           /* used for complex structs */
>     int typelib_idx;


Do you expect it to use useful outside void write_widl_using_macros()? 
It looks like something specific to that, so maybe we could just 
generate it there, when needed.


Thanks,

Jacek