From f0440388e9b85171b4f6ea3ecf95dc82799fffc1 Mon Sep 17 00:00:00 2001
From: Marc Autret <autret_m@epita.fr>
Date: Sun, 16 Dec 2001 01:26:25 +0000
Subject: [PATCH] * src/bison.simple: Remove a useless #line directive. s/#line
 %%line %%skeleton/#line %%line "%%parser-file-name"/'. * src/output.c
 (get_lines_number): New. (output_parser): Adjust, now takes care about the
 lines of a output muscles. Fix line numbering. (actions_output): Computes the
 number of lines taken by actions. (output_master_parser): Insert new skeleton
 which is the name of the output parser file name.

---
 ChangeLog        | 12 ++++++++++++
 src/bison.simple |  8 ++++----
 src/output.c     | 34 ++++++++++++++++++++++++++++++----
 3 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5c475cc2..ed88b5cb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2001-12-16  Marc Autret  <autret_m@epita.fr>
+
+	* src/bison.simple: Remove a useless #line directive.
+	s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
+	* src/output.c (get_lines_number): New.
+	(output_parser): Adjust, now takes care about the lines of a 
+	output muscles.
+	Fix line numbering.
+	(actions_output): Computes the number of lines taken by actions.
+	(output_master_parser): Insert new skeleton which is the name of
+	the output parser file name.
+
 2001-12-15  Marc Autret  <autret_m@epita.fr>
 
 	* src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
diff --git a/src/bison.simple b/src/bison.simple
index 0e121d22..7b6c079f 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -82,7 +82,8 @@ typedef struct yyltype
 /* Copy the user declarations.  */
 %%prologue
 
-#line %%line "%%skeleton"
+/* Line 85 of bison.simple.  */
+#line %%line "%%parser-file-name"
 
 #include <stdio.h>
 
@@ -511,8 +512,6 @@ yystpcpy (yydest, yysrc)
 
 
 
-#line %%line "%%skeleton"
-
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
    It should actually point to an object.
@@ -897,7 +896,8 @@ yyreduce:
     {
 %%actions
     }
-#line %%line "%%skeleton"
+  /* Line 902 of bison.simple.  */
+#line %%line "%%parser-file-name"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/src/output.c b/src/output.c
index 0396234d..4de58e9e 100644
--- a/src/output.c
+++ b/src/output.c
@@ -125,6 +125,23 @@ struct obstack output_obstack;
 
 int error_verbose = 0;
 
+/* Returns the number of lines of S.  */
+static size_t
+get_lines_number (const char *s)
+{
+  size_t lines = 0;
+  
+  size_t i;
+  for (i = 0; s[i]; ++i)
+    {
+      if (s[i] == '\n')
+	++lines;
+    }   
+  
+  return lines;
+}
+
+
 /* FIXME. */
 
 static inline void
@@ -519,7 +536,7 @@ token_actions (void)
 `-----------------------------*/
 
 static void
-actions_output (FILE *out)
+actions_output (FILE *out, size_t *line)
 {
   int rule;
   for (rule = 1; rule < nrules + 1; ++rule)
@@ -538,6 +555,11 @@ actions_output (FILE *out)
 	fprintf (out, "{ %s%s }\n    break;\n\n",
 		 rule_table[rule].action,
 		 yacc_flag ? ";" : "");
+
+	/* We always output 5 '\n' per action.  */
+	*line += 5;
+	/* Get the number of lines written by the user.  */
+	*line += get_lines_number (rule_table[rule].action);
       }
 }
 
@@ -962,11 +984,14 @@ output_parser (const char *skel_filename, FILE *out)
 	  muscle_key = obstack_finish (&muscle_obstack);
 	  muscle_value = muscle_find (muscle_key);
 	  if (!strcmp (muscle_key, "actions"))
-	    actions_output (out);
+	    actions_output (out, &line);
 	  else if (!strcmp (muscle_key, "line"))
-	    fprintf (out, "%d", line + 1);
+	    fprintf (out, "%d", line);
 	  else if (muscle_value)
-	    fputs (muscle_value, out);
+	    {
+	      fputs (muscle_value, out);
+	      line += get_lines_number (muscle_value);
+	    }	  
 	  else
 	    {
 	      fputs ("%%", out);
@@ -997,6 +1022,7 @@ output_master_parser (void)
 	skeleton = skeleton_find ("BISON_SIMPLE", BISON_SIMPLE);
     }
   muscle_insert ("skeleton", skeleton);
+  muscle_insert ("parser-file-name", parser_file_name);
 
   output_parser (skeleton, parser);
   xfclose (parser);
-- 
2.45.2