* src/getargs.c (usage): Back out yesterday's modification of the

[bison.git] / src / muscle_tab.c

diff --git a/src/muscle_tab.c b/src/muscle_tab.c
index 979604f1d07a91c4be34aa60612056cdddcddc5e..2d71085ebe2f71d13886c79f1d91deed09e06977 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.
 
@@ -15,16 +17,24 @@
 
    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 <config.h>
 #include "system.h"
-#include "hash.h"
-#include "quotearg.h"
+
+#include <hash.h>
+#include <quotearg.h>
+
 #include "files.h"
 #include "muscle_tab.h"
 #include "getargs.h"
 
+typedef struct
+{
+  const char *key;
+  char *value;
+} muscle_entry;
 
 /* An obstack used to create some entries.  */
 struct obstack muscle_obstack;
@@ -32,20 +42,20 @@ 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)
 {
-  const muscle_entry_t *m1 = x;
-  const muscle_entry_t *m2 = y;
+  muscle_entry const *m1 = x;
+  muscle_entry const *m2 = 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)
 {
-  const muscle_entry_t *m = x;
+  muscle_entry const *m = x;
   return hash_string (m->key, tablesize);
 }
 
@@ -65,7 +75,7 @@ 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);
 }
 
 
@@ -90,8 +100,8 @@ muscle_free (void)
 void
 muscle_insert (const char *key, char *value)
 {
-  muscle_entry_t probe;
-  muscle_entry_t *entry = NULL;
+  muscle_entry probe;
+  muscle_entry *entry;
 
   probe.key = key;
   entry = hash_lookup (muscle_table, &probe);
@@ -99,7 +109,7 @@ muscle_insert (const char *key, char *value)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry_t, 1);
+      entry = xmalloc (sizeof *entry);
       entry->key = key;
       hash_insert (muscle_table, entry);
     }
@@ -108,16 +118,16 @@ muscle_insert (const char *key, char *value)
 
 
 /*-------------------------------------------------------------------.
-| Insert (KEY, VALUE).  If KEY already existed, overwrite the        |
-| previous value.  Uses MUSCLE_OBSTACK.  De-allocates the previously |
-| associated value.  VALUE and SEPARATOR are copied.                 |
+| Append VALUE to the current value of KEY.  If KEY did not already  |
+| exist, create it.  Use MUSCLE_OBSTACK.  De-allocate the previously |
+| associated value.  Copy VALUE and SEPARATOR.                       |
 `-------------------------------------------------------------------*/
 
 void
 muscle_grow (const char *key, const char *val, const char *separator)
 {
-  muscle_entry_t probe;
-  muscle_entry_t *entry = NULL;
+  muscle_entry probe;
+  muscle_entry *entry = NULL;
 
   probe.key = key;
   entry = hash_lookup (muscle_table, &probe);
@@ -125,7 +135,7 @@ muscle_grow (const char *key, const char *val, const char *separator)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry_t, 1);
+      entry = xmalloc (sizeof *entry);
       entry->key = key;
       hash_insert (muscle_table, entry);
       entry->value = xstrdup (val);
@@ -146,6 +156,26 @@ 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* |
@@ -168,11 +198,11 @@ void muscle_pair_list_grow (const char *muscle,
 | Find the value of muscle KEY.  |
 `-------------------------------*/
 
-char*
+char *
 muscle_find (const char *key)
 {
-  muscle_entry_t probe;
-  muscle_entry_t *result = NULL;
+  muscle_entry probe;
+  muscle_entry *result = NULL;
 
   probe.key = key;
   result = hash_lookup (muscle_table, &probe);
@@ -184,12 +214,18 @@ muscle_find (const char *key)
 | Output the definition of ENTRY as a m4_define.  |
 `------------------------------------------------*/
 
-static int
-muscle_m4_output (muscle_entry_t *entry, FILE *out)
+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);
 }
 
 
@@ -201,7 +237,5 @@ muscle_m4_output (muscle_entry_t *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);
 }