[Mesa-dev] [PATCH 3/4] glcpp: Clean up most empty mid-rule actions left by previous commit.

[Kenneth Graunke]

I didn't want to pollute the previous patch with all the $4 -> $3
changes.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/compiler/glsl/glcpp/glcpp-parse.y | 36 +++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/compiler/glsl/glcpp/glcpp-parse.y b/src/compiler/glsl/glcpp/glcpp-parse.y
index a93a138..1f416a1 100644
--- a/src/compiler/glsl/glcpp/glcpp-parse.y
+++ b/src/compiler/glsl/glcpp/glcpp-parse.y
@@ -266,13 +266,13 @@ control_line:
 		ralloc_asprintf_rewrite_tail (&parser->output, &parser->output_length, "\n");
 	}
 |	control_line_error
-|	HASH_TOKEN LINE { } pp_tokens NEWLINE {
+|	HASH_TOKEN LINE pp_tokens NEWLINE {
 
 		if (parser->skip_stack == NULL ||
 		    parser->skip_stack->type == SKIP_NO_SKIP)
 		{
 			_glcpp_parser_expand_and_lex_from (parser,
-							   LINE_EXPANDED, $4,
+							   LINE_EXPANDED, $3,
 							   EXPANSION_MODE_IGNORE_DEFINED);
 		}
 	}
@@ -280,23 +280,23 @@ control_line:
 
 control_line_success:
 	HASH_TOKEN DEFINE_TOKEN { } define
-|	HASH_TOKEN UNDEF { } IDENTIFIER NEWLINE {
+|	HASH_TOKEN UNDEF IDENTIFIER NEWLINE {
 		macro_t *macro;
-		if (strcmp("__LINE__", $4) == 0
-		    || strcmp("__FILE__", $4) == 0
-		    || strcmp("__VERSION__", $4) == 0
-		    || strncmp("GL_", $4, 3) == 0)
+		if (strcmp("__LINE__", $3) == 0
+		    || strcmp("__FILE__", $3) == 0
+		    || strcmp("__VERSION__", $3) == 0
+		    || strncmp("GL_", $3, 3) == 0)
 			glcpp_error(& @1, parser, "Built-in (pre-defined)"
 				    " macro names cannot be undefined.");
 
-		macro = hash_table_find (parser->defines, $4);
+		macro = hash_table_find (parser->defines, $3);
 		if (macro) {
-			hash_table_remove (parser->defines, $4);
+			hash_table_remove (parser->defines, $3);
 			ralloc_free (macro);
 		}
-		ralloc_free ($4);
+		ralloc_free ($3);
 	}
-|	HASH_TOKEN IF { } pp_tokens NEWLINE {
+|	HASH_TOKEN IF pp_tokens NEWLINE {
 		/* Be careful to only evaluate the 'if' expression if
 		 * we are not skipping. When we are skipping, we
 		 * simply push a new 0-valued 'if' onto the skip
@@ -308,7 +308,7 @@ control_line_success:
 		    parser->skip_stack->type == SKIP_NO_SKIP)
 		{
 			_glcpp_parser_expand_and_lex_from (parser,
-							   IF_EXPANDED, $4,
+							   IF_EXPANDED, $3,
 							   EXPANSION_MODE_EVALUATE_DEFINED);
 		}	
 		else
@@ -327,14 +327,14 @@ control_line_success:
 		}	
 		_glcpp_parser_skip_stack_push_if (parser, & @1, 0);
 	}
-|	HASH_TOKEN IFDEF { } IDENTIFIER junk NEWLINE {
-		macro_t *macro = hash_table_find (parser->defines, $4);
-		ralloc_free ($4);
+|	HASH_TOKEN IFDEF IDENTIFIER junk NEWLINE {
+		macro_t *macro = hash_table_find (parser->defines, $3);
+		ralloc_free ($3);
 		_glcpp_parser_skip_stack_push_if (parser, & @1, macro != NULL);
 	}
-|	HASH_TOKEN IFNDEF { } IDENTIFIER junk NEWLINE {
-		macro_t *macro = hash_table_find (parser->defines, $4);
-		ralloc_free ($4);
+|	HASH_TOKEN IFNDEF IDENTIFIER junk NEWLINE {
+		macro_t *macro = hash_table_find (parser->defines, $3);
+		ralloc_free ($3);
 		_glcpp_parser_skip_stack_push_if (parser, & @3, macro == NULL);
 	}
 |	HASH_TOKEN ELIF pp_tokens NEWLINE {
-- 
2.7.2