X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e7cb57c0b8ec971a6b0f8419455d2ea9341c8601..0ced3098fd97e1483b4ac938bdce99bfc7942539:/src/muscle_tab.c

diff --git a/src/muscle_tab.c b/src/muscle_tab.c
index abac4a12..84c707aa 100644
--- a/src/muscle_tab.c
+++ b/src/muscle_tab.c
@@ -1,4 +1,5 @@
-/* Muscle table manager for Bison,
+/* Muscle table manager for Bison.
+
    Copyright (C) 2001, 2002 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -19,11 +20,19 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "system.h"
-#include "hash.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;
@@ -36,15 +45,15 @@ 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;
-  return strcmp (m1->key, m2->key) ? FALSE : TRUE;
+  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)
 {
-  const muscle_entry_t *m = x;
+  muscle_entry const *m = x;
   return hash_string (m->key, tablesize);
 }
 
@@ -64,13 +73,7 @@ muscle_init (void)
 
   /* Version and input file.  */
   MUSCLE_INSERT_STRING ("version", VERSION);
-  MUSCLE_INSERT_STRING ("filename", infile);
-
-  /* FIXME: there should probably be no default here, only in the
-     skeletons.  */
-
-  /* Default #line formatting.  */
-  MUSCLE_INSERT_STRING ("linef", "#line %d %s\n");
+  MUSCLE_INSERT_C_STRING ("filename", grammar_file);
 }
 
 
@@ -95,8 +98,8 @@ 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 = NULL;
 
   probe.key = key;
   entry = hash_lookup (muscle_table, &probe);
@@ -104,7 +107,7 @@ muscle_insert (const char *key, char *value)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry_t, 1);
+      MALLOC (entry, 1);
       entry->key = key;
       hash_insert (muscle_table, entry);
     }
@@ -121,8 +124,8 @@ muscle_insert (const char *key, char *value)
 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);
@@ -130,7 +133,7 @@ muscle_grow (const char *key, const char *val, const char *separator)
   if (!entry)
     {
       /* First insertion in the hash. */
-      entry = XMALLOC (muscle_entry_t, 1);
+      MALLOC (entry, 1);
       entry->key = key;
       hash_insert (muscle_table, entry);
       entry->value = xstrdup (val);
@@ -151,6 +154,26 @@ 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* |
@@ -176,8 +199,8 @@ void muscle_pair_list_grow (const char *muscle,
 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);
@@ -189,12 +212,18 @@ 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);
 }
 
 
@@ -206,7 +235,5 @@ 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);
 }