From: Akim Demaille <akim@epita.fr>
Date: Fri, 11 Nov 2005 10:39:35 +0000 (+0000)
Subject: * data/glr.c: Comment changes.
X-Git-Tag: v2.3b~579
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/1989d9476c59f9e3356ea28cb1690e6684943afd

* data/glr.c: Comment changes.
---

diff --git a/ChangeLog b/ChangeLog
index 56c3e997..edc8bcf8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
-2005-11-11  Akim  <akim@epita.fr>
+2005-11-11  Akim Demaille  <akim@epita.fr>
+
+	* data/glr.c: Comment changes.
+
+2005-11-11  Akim Demaille  <akim@epita.fr>
 
 	When yydebug, report semantic and location values for reductions.
 	* data/glr.c (yy_reduce_print): Report the semantic values and the
diff --git a/data/glr.c b/data/glr.c
index 5fdff28a..1f4b7a8f 100644
--- a/data/glr.c
+++ b/data/glr.c
@@ -36,8 +36,10 @@ m4_define_default([b4_stack_depth_init],  [200])
 
 # b4_user_formals
 # ---------------
-# This is specific to GLR because it relies on ISO C formal argument
-# declarations.
+# The possible parse-params formal arguments preceded by a comma.
+#
+# This is not shared with yacc.c in c.m4 because  GLR relies on ISO C
+# formal argument declarations.
 m4_define([b4_user_formals],
 [m4_ifset([b4_parse_param], [, b4_c_ansi_formals(b4_parse_param)])])
 
@@ -54,7 +56,8 @@ m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
 
 # b4_yyerror_args
 # ---------------
-# Arguments passed to yyerror: user args plus yylloc.
+# Optional effective arguments passed to yyerror: user args plus yylloc, and
+# a trailing comma.
 m4_define([b4_yyerror_args],
 [b4_pure_if([b4_location_if([yylocp, ])])dnl
 m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
@@ -70,18 +73,11 @@ m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
 
 # b4_pure_args
 # ------------
-# Arguments needed by yyerror: user args plus yylloc.
+# Same as b4_yyerror_args, but with a leading comma.
 m4_define([b4_pure_args],
 [b4_pure_if([b4_location_if([, yylocp])])[]b4_user_args])
 
 
-# b4_pure_formals
-# ---------------
-# Arguments passed to yyerror: user formals plus yyllocp.
-m4_define([b4_pure_formals],
-[b4_pure_if([b4_location_if([, YYLTYPE *yylocp])])[]b4_user_formals])
-
-
 # b4_lpure_args
 # -------------
 # Same as above, but on the look-ahead, hence yyllocp instead of yylocp.
@@ -89,6 +85,13 @@ m4_define([b4_lpure_args],
 [b4_pure_if([b4_location_if([, yyllocp])])[]b4_user_args])
 
 
+# b4_pure_formals
+# ---------------
+# Arguments passed to yyerror: user formals plus yyllocp.
+m4_define([b4_pure_formals],
+[b4_pure_if([b4_location_if([, YYLTYPE *yylocp])])[]b4_user_formals])
+
+
 # b4_lpure_formals
 # ----------------
 # Same as above, but on the look-ahead, hence yyllocp instead of yylocp.