[PATCH vkd3d v3 3/8] vkd3d-shader/hlsl: Concatenate nested initializers.

[Zebediah Figura (she/her)]

On 3/2/22 12:31, Francisco Casas wrote:
> Signed-off-by: Francisco Casas <fcasas at codeweavers.com>
> 
> ---
> v3:
> - It seemed right to bring this patch forward before
>    applying the braces flag.
> 
> Signed-off-by: Francisco Casas <fcasas at codeweavers.com>
> ---
>   libs/vkd3d-shader/hlsl.y | 18 ++++++++++++++++--
>   1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/libs/vkd3d-shader/hlsl.y b/libs/vkd3d-shader/hlsl.y
> index 459ad03b..7678cf3c 100644
> --- a/libs/vkd3d-shader/hlsl.y
> +++ b/libs/vkd3d-shader/hlsl.y
> @@ -2310,6 +2310,7 @@ static bool add_method_call(struct hlsl_ctx *ctx, struct list *instrs, struct hl
>   %type <function> func_prototype
>   
>   %type <initializer> complex_initializer
> +%type <initializer> complex_initializer_list
>   %type <initializer> func_arguments
>   %type <initializer> initializer_expr_list
>   
> @@ -3114,15 +3115,28 @@ complex_initializer:
>               $$.args[0] = node_from_list($1);
>               $$.instrs = $1;
>           }
> -    | '{' initializer_expr_list '}'
> +    | '{' complex_initializer_list '}'
>           {
>               $$ = $2;
>           }
> -    | '{' initializer_expr_list ',' '}'
> +    | '{' complex_initializer_list ',' '}'
>           {
>               $$ = $2;
>           }
>   
> +complex_initializer_list:
> +      complex_initializer
> +    | complex_initializer_list ',' complex_initializer
> +        {
> +            $$ = $1;
> +            if (!($$.args = hlsl_realloc(ctx, $$.args, ($$.args_count + $3.args_count) * sizeof(*$$.args))))
> +                YYABORT;

This leaks $1 and $3.

> +            for (unsigned int i = 0; i < $3.args_count; i++)
> +                $$.args[$$.args_count++] = $3.args[i];
> +            list_move_tail($$.instrs, $3.instrs);
> +            free_parse_initializer(&$3);
> +        }
> +
>   initializer_expr:
>         assignment_expr
>