vkd3d-shader: Implement #ifdef.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-01-07 11:48:07 -06:00 committed by Alexandre Julliard
parent 9a1317ff0f
commit b0dbb35ec7
2 changed files with 10 additions and 0 deletions

View File

@ -110,6 +110,8 @@ IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
return T_ENDIF;
if (!strcmp(p, "if"))
return T_IF;
if (!strcmp(p, "ifdef"))
return T_IFDEF;
preproc_warning(ctx, yyget_lloc(yyscanner), VKD3D_SHADER_WARNING_PP_UNKNOWN_DIRECTIVE,
"Ignoring unknown directive \"%s\".", yytext);
@ -199,6 +201,7 @@ int yylex(YYSTYPE *lval, YYLTYPE *lloc, yyscan_t scanner)
case T_ELSE:
case T_ENDIF:
case T_IF:
case T_IFDEF:
ctx->current_directive = token;
break;
@ -218,6 +221,7 @@ int yylex(YYSTYPE *lval, YYLTYPE *lloc, yyscan_t scanner)
case T_ELSE:
case T_ENDIF:
case T_IF:
case T_IFDEF:
break;
default:

View File

@ -183,6 +183,7 @@ static uint32_t preproc_parse_integer(const char *s)
%token T_ELSE "#else"
%token T_ENDIF "#endif"
%token T_IF "#if"
%token T_IFDEF "#ifdef"
%type <integer> expr
%type <string> body_token
@ -219,6 +220,11 @@ directive
if (!preproc_push_if(ctx, !!$2))
YYABORT;
}
| T_IFDEF T_IDENTIFIER T_NEWLINE
{
preproc_push_if(ctx, !!preproc_find_macro(ctx, $2));
vkd3d_free($2);
}
| T_ELIF expr T_NEWLINE
{
if (ctx->if_count)