From bea3963f59fb8da0687c3e3fbc6f15de8be7fddb Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 30 Aug 2010 11:58:04 -0700
Subject: glsl2: Parse #pragma lines

All pragmas are currently ignored.  Also, the error messages when a
pragma is used incorrectly (i.e., '#pragma debug(on)' inside a
function) are crap, but I think this is sufficient for now.

Fixes piglit test cases pragma-0[1-8].(vert|frag).
---
 src/glsl/glsl_parser.ypp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/glsl/glsl_parser.ypp')

diff --git a/src/glsl/glsl_parser.ypp b/src/glsl/glsl_parser.ypp
index 4b6d9fe7ea..6d99c52503 100644
--- a/src/glsl/glsl_parser.ypp
+++ b/src/glsl/glsl_parser.ypp
@@ -103,7 +103,9 @@
 %token INVARIANT
 %token LOWP MEDIUMP HIGHP SUPERP PRECISION
 
-%token VERSION EXTENSION LINE PRAGMA COLON EOL INTERFACE OUTPUT
+%token VERSION EXTENSION LINE COLON EOL INTERFACE OUTPUT
+%token PRAGMA_DEBUG_ON PRAGMA_DEBUG_OFF
+%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF
 %token LAYOUT_TOK
 
    /* Reserved words that are not actually used in the grammar.
@@ -236,6 +238,13 @@ version_statement:
 	}
 	;
 
+pragma_statement:
+	PRAGMA_DEBUG_ON EOL
+	| PRAGMA_DEBUG_OFF EOL
+	| PRAGMA_OPTIMIZE_ON EOL
+	| PRAGMA_OPTIMIZE_OFF EOL
+	;
+
 extension_statement_list:
 
 	| extension_statement_list extension_statement
@@ -1496,6 +1505,7 @@ jump_statement:
 external_declaration:
 	function_definition	{ $$ = $1; }
 	| declaration		{ $$ = $1; }
+	| pragma_statement	{ $$ = NULL; }
 	;
 
 function_definition:
-- 
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