Generalize the display of semantic values and locations in traces.

[bison.git] / src / muscle_tab.c

diff --git a/src/muscle_tab.c b/src/muscle_tab.c
index 743bf2c780beb3bbe04ddf6f8cd3ff1dd5f4201d..3e0fb289decf4c55aa375a324fc0194783f6bd31 100644 (file)
--- a/src/muscle_tab.c
+++ b/src/muscle_tab.c
@@ -1,5 +1,7 @@
-/* Muscle table manager for Bison,
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+/* Muscle table manager for Bison.
+
+   Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software
+   Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -15,8 +17,8 @@
 
    You should have received a copy of the GNU General Public License
    along with Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "system.h"
 
@@ -39,7 +41,7 @@ struct obstack muscle_obstack;
 /* Initial capacity of muscles hash table.  */
 #define HT_INITIAL_CAPACITY 257
 
-struct hash_table *muscle_table = NULL;
+static struct hash_table *muscle_table = NULL;
 
 static bool
 hash_compare_muscles (void const *x, void const *y)
@@ -49,8 +51,8 @@ hash_compare_muscles (void const *x, void const *y)
   return strcmp (m1->key, m2->key) == 0;
 }
 
-static unsigned int
-hash_muscle (const void *x, unsigned int tablesize)
+static size_t
+hash_muscle (const void *x, size_t tablesize)
 {
   muscle_entry const *m = x;
   return hash_string (m->key, tablesize);
@@ -72,7 +74,7 @@ muscle_init (void)
 
   /* Version and input file.  */
   MUSCLE_INSERT_STRING ("version", VERSION);
-  MUSCLE_INSERT_C_STRING ("filename", grammar_file);
+  MUSCLE_INSERT_C_STRING ("file_name", grammar_file);
 }
 
 
@@ -98,7 +100,7 @@ void
 muscle_insert (const char *key, char *value)
 {
   muscle_entry probe;
-  muscle_entry *entry = NULL;
+  muscle_entry *entry;
 
   probe.key = key;
   entry = hash_lookup (muscle_table, &probe);
@@ -106,7 +108,7 @@ muscle_insert (const char *key, char *value)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry, 1);
+      entry = xmalloc (sizeof *entry);
       entry->key = key;
       hash_insert (muscle_table, entry);
     }
@@ -132,7 +134,7 @@ muscle_grow (const char *key, const char *val, const char *separator)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry, 1);
+      entry = xmalloc (sizeof *entry);
       entry->key = key;
       hash_insert (muscle_table, entry);
       entry->value = xstrdup (val);
@@ -153,6 +155,26 @@ muscle_grow (const char *key, const char *val, const char *separator)
 }
 
 
+/*------------------------------------------------------------------.
+| Append VALUE to the current value of KEY, using muscle_grow.  But |
+| in addition, issue a synchronization line for the location LOC.   |
+`------------------------------------------------------------------*/
+
+void
+muscle_code_grow (const char *key, const char *val, location loc)
+{
+  char *extension = NULL;
+  obstack_fgrow1 (&muscle_obstack, "]b4_syncline(%d, [[", loc.start.line);
+  MUSCLE_OBSTACK_SGROW (&muscle_obstack,
+                       quotearg_style (c_quoting_style, loc.start.file));
+  obstack_sgrow (&muscle_obstack, "]])[\n");
+  obstack_sgrow (&muscle_obstack, val);
+  obstack_1grow (&muscle_obstack, 0);
+  extension = obstack_finish (&muscle_obstack);
+  muscle_grow (key, extension, "");
+}
+
+
 /*-------------------------------------------------------------------.
 | MUSCLE is an M4 list of pairs.  Create or extend it with the pair  |
 | (A1, A2).  Note that because the muscle values are output *double* |
@@ -191,12 +213,18 @@ muscle_find (const char *key)
 | Output the definition of ENTRY as a m4_define.  |
 `------------------------------------------------*/
 
-static int
+static inline bool
 muscle_m4_output (muscle_entry *entry, FILE *out)
 {
   fprintf (out, "m4_define([b4_%s],\n", entry->key);
   fprintf (out, "[[%s]])\n\n\n", entry->value);
-  return 1;
+  return true;
+}
+
+static bool
+muscle_m4_output_processor (void *entry, void *out)
+{
+  return muscle_m4_output (entry, out);
 }
 
 
@@ -208,7 +236,5 @@ muscle_m4_output (muscle_entry *entry, FILE *out)
 void
 muscles_m4_output (FILE *out)
 {
-  hash_do_for_each (muscle_table,
-                   (Hash_processor) muscle_m4_output,
-                   out);
+  hash_do_for_each (muscle_table, muscle_m4_output_processor, out);
 }