Zebediah Figura : vkd3d-shader: Implement logical operators in #if directives.
Alexandre Julliard
julliard at winehq.org
Fri Jan 22 15:48:01 CST 2021
Module: vkd3d
Branch: master
Commit: 338399d5636ae3c2e6204c815821413292902bc6
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=338399d5636ae3c2e6204c815821413292902bc6
Author: Zebediah Figura <zfigura at codeweavers.com>
Date: Thu Jan 21 16:10:45 2021 -0600
vkd3d-shader: Implement logical operators in #if directives.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
libs/vkd3d-shader/preproc.l | 4 ++--
libs/vkd3d-shader/preproc.y | 30 ++++++++++++++++++++++++++++--
2 files changed, 30 insertions(+), 4 deletions(-)
diff --git a/libs/vkd3d-shader/preproc.l b/libs/vkd3d-shader/preproc.l
index 4c82bab..37acc5e 100644
--- a/libs/vkd3d-shader/preproc.l
+++ b/libs/vkd3d-shader/preproc.l
@@ -82,6 +82,8 @@ IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
<INITIAL>">=" {return T_GE;}
<INITIAL>"==" {return T_EQ;}
<INITIAL>"!=" {return T_NE;}
+<INITIAL>"&&" {return T_AND;}
+<INITIAL>"||" {return T_OR;}
/* We have no use for floats, but shouldn't parse them as integers. */
@@ -95,8 +97,6 @@ IDENTIFIER [A-Za-z_][A-Za-z0-9_]*
<INITIAL>## {return T_CONCAT;}
-<INITIAL>"&&" {return T_TEXT;}
-<INITIAL>"||" {return T_TEXT;}
<INITIAL>"++" {return T_TEXT;}
<INITIAL>"--" {return T_TEXT;}
<INITIAL>"<<"=? {return T_TEXT;}
diff --git a/libs/vkd3d-shader/preproc.y b/libs/vkd3d-shader/preproc.y
index fa5e5cc..051f94b 100644
--- a/libs/vkd3d-shader/preproc.y
+++ b/libs/vkd3d-shader/preproc.y
@@ -336,6 +336,8 @@ static void free_parse_arg_names(struct parse_arg_names *args)
%token T_GE ">="
%token T_EQ "=="
%token T_NE "!="
+%token T_AND "&&"
+%token T_OR "||"
%token T_DEFINED "defined"
%type <integer> primary_expr
@@ -347,6 +349,8 @@ static void free_parse_arg_names(struct parse_arg_names *args)
%type <integer> bitand_expr
%type <integer> bitxor_expr
%type <integer> bitor_expr
+%type <integer> logicand_expr
+%type <integer> logicor_expr
%type <string> body_token
%type <const_string> body_token_const
%type <string_buffer> body_text
@@ -499,6 +503,14 @@ body_token_const
{
$$ = "!=";
}
+ | T_AND
+ {
+ $$ = "&&";
+ }
+ | T_OR
+ {
+ $$ = "||";
+ }
| T_DEFINED
{
$$ = "defined";
@@ -536,7 +548,7 @@ directive
}
vkd3d_free($2);
}
- | T_IF bitor_expr T_NEWLINE
+ | T_IF logicor_expr T_NEWLINE
{
if (!preproc_push_if(ctx, !!$2))
YYABORT;
@@ -551,7 +563,7 @@ directive
preproc_push_if(ctx, !preproc_find_macro(ctx, $2));
vkd3d_free($2);
}
- | T_ELIF bitor_expr T_NEWLINE
+ | T_ELIF logicor_expr T_NEWLINE
{
const struct preproc_file *file = preproc_get_top_file(ctx);
@@ -765,3 +777,17 @@ bitor_expr
{
$$ = $1 | $3;
}
+
+logicand_expr
+ : bitor_expr
+ | logicand_expr T_AND bitor_expr
+ {
+ $$ = $1 && $3;
+ }
+
+logicor_expr
+ : logicand_expr
+ | logicor_expr T_OR logicand_expr
+ {
+ $$ = $1 || $3;
+ }
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