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vkd3d-shader: Implement inequality operators in #if directives.

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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
2021-01-19 11:18:21 -06:00
committed by Alexandre Julliard
parent 76383b244b
commit eecfe9c2a2
2 changed files with 46 additions and 4 deletions
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43
libs/vkd3d-shader/preproc.y
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@@ -331,12 +331,16 @@ static void free_parse_arg_names(struct parse_arg_names *args)
%token T_UNDEF "#undef"
%token T_CONCAT "##"
%token T_LE "<="
%token T_GE ">="
%token T_DEFINED "defined"
%type <integer> primary_expr
%type <integer> unary_expr
%type <integer> mul_expr
%type <integer> add_expr
%type <integer> ineq_expr
%type <string> body_token
%type <const_string> body_token_const
%type <string_buffer> body_text
@@ -449,10 +453,26 @@ body_token_const
{
$$ = "/";
}
| '<'
{
$$ = "<";
}
| '>'
{
$$ = ">";
}
| T_CONCAT
{
$$ = "##";
}
| T_LE
{
$$ = "<=";
}
| T_GE
{
$$ = ">=";
}
| T_DEFINED
{
$$ = "defined";
@@ -490,7 +510,7 @@ directive
}
vkd3d_free($2);
}
| T_IF add_expr T_NEWLINE
| T_IF ineq_expr T_NEWLINE
{
if (!preproc_push_if(ctx, !!$2))
YYABORT;
@@ -505,7 +525,7 @@ directive
preproc_push_if(ctx, !preproc_find_macro(ctx, $2));
vkd3d_free($2);
}
| T_ELIF add_expr T_NEWLINE
| T_ELIF ineq_expr T_NEWLINE
{
const struct preproc_file *file = preproc_get_top_file(ctx);
@@ -668,3 +688,22 @@ add_expr
{
$$ = $1 - $3;
}
ineq_expr
: add_expr
| ineq_expr '<' add_expr
{
$$ = $1 < $3;
}
| ineq_expr '>' add_expr
{
$$ = $1 > $3;
}
| ineq_expr T_LE add_expr
{
$$ = $1 <= $3;
}
| ineq_expr T_GE add_expr
{
$$ = $1 >= $3;
}