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vkd3d-shader: Implement the ternary operator in #if directives.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-01-21 16:10:46 -06:00 committed by Alexandre Julliard
parent 338399d563
commit e15b884e1a
2 changed files with 19 additions and 3 deletions
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2
libs/vkd3d-shader/preproc.l
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@ -162,7 +162,7 @@ IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
}
<INITIAL>{WS}+ {}
<INITIAL>[-()\[\]{},+!*/<>&|^] {return yytext[0];}
<INITIAL>[-()\[\]{},+!*/<>&|^?:] {return yytext[0];}
<INITIAL>. {return T_TEXT;}
%%

20
libs/vkd3d-shader/preproc.y
View File

@ -351,6 +351,7 @@ static void free_parse_arg_names(struct parse_arg_names *args)
%type <integer> bitor_expr
%type <integer> logicand_expr
%type <integer> logicor_expr
%type <integer> expr
%type <string> body_token
%type <const_string> body_token_const
%type <string_buffer> body_text
@ -483,6 +484,14 @@ body_token_const
{
$$ = "^";
}
| '?'
{
$$ = "?";
}
| ':'
{
$$ = ":";
}
| T_CONCAT
{
$$ = "##";
@ -548,7 +557,7 @@ directive
}
vkd3d_free($2);
}
| T_IF logicor_expr T_NEWLINE
| T_IF expr T_NEWLINE
{
if (!preproc_push_if(ctx, !!$2))
YYABORT;
@ -563,7 +572,7 @@ directive
preproc_push_if(ctx, !preproc_find_macro(ctx, $2));
vkd3d_free($2);
}
| T_ELIF logicor_expr T_NEWLINE
| T_ELIF expr T_NEWLINE
{
const struct preproc_file *file = preproc_get_top_file(ctx);
@ -791,3 +800,10 @@ logicor_expr
{
$$ = $1 || $3;
}
expr
: logicor_expr
| expr '?' logicor_expr ':' logicor_expr
{
$$ = $1 ? $3 : $5;
}