* NEWS: Instead of %union, you can define and use your own union type

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index 1f3bbcaaa8e5a38f3086f958855ac5e4618e6116..534d82af08f1d6d44e6d85c5e763af841a838cd2 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -1,7 +1,7 @@
 /* Output the generated parsing program for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -20,7 +20,7 @@
    Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.  */
 
-
+#include <config.h>
 #include "system.h"
 
 #include <error.h>
@@ -36,6 +36,7 @@
 #include "muscle_tab.h"
 #include "output.h"
 #include "reader.h"
+#include "scan-code.h"    /* max_left_semantic_context */
 #include "scan-skel.h"
 #include "symtab.h"
 #include "tables.h"
@@ -43,9 +44,6 @@
 
 static struct obstack format_obstack;
 
-bool error_verbose = false;
-
-
 
 /*-------------------------------------------------------------------.
 | Create a function NAME which associates to the muscle NAME the     |
@@ -239,8 +237,7 @@ prepare_rules (void)
       /* Merger-function index (GLR).  */
       merger[r] = rules[r].merger;
     }
-  if (i != nritems)
-    abort ();
+  assert (i == nritems);
 
   muscle_insert_item_number_table ("rhs", rhs, ritem[0], 1, nritems);
   muscle_insert_unsigned_int_table ("prhs", prhs, 0, 0, nrules);
@@ -351,8 +348,7 @@ token_definitions_output (FILE *out)
       /* At this stage, if there are literal aliases, they are part of
         SYMBOLS, so we should not find symbols which are the aliases
         here.  */
-      if (number == USER_NUMBER_ALIAS)
-       abort ();
+      assert (number != USER_NUMBER_ALIAS);
 
       /* Skip error token.  */
       if (sym == errtoken)
@@ -452,7 +448,7 @@ static void
 prepare_actions (void)
 {
   /* Figure out the actions for the specified state, indexed by
-     look-ahead token type.  */
+     lookahead token type.  */
 
   muscle_insert_rule_number_table ("defact", yydefact,
                                   yydefact[0], 1, nstates);
@@ -515,7 +511,6 @@ output_skeleton (void)
      cheap sanity check is worthwhile.  */
   char const m4sugar[] = "m4sugar/m4sugar.m4";
   char *full_m4sugar;
-  char *full_cm4;
   char *full_skeleton;
   char const *p;
   char const *m4 = (p = getenv ("M4")) ? p : M4;
@@ -531,28 +526,25 @@ output_skeleton (void)
   full_skeleton[pkgdatadirlen] = '/';
   strcpy (full_skeleton + pkgdatadirlen + 1, m4sugar);
   full_m4sugar = xstrdup (full_skeleton);
-  strcpy (full_skeleton + pkgdatadirlen + 1, "c.m4");
-  full_cm4 = xstrdup (full_skeleton);
   strcpy (full_skeleton + pkgdatadirlen + 1, skeleton);
   xfclose (xfopen (full_m4sugar, "r"));
 
   /* Create an m4 subprocess connected to us via two pipes.  */
 
   if (trace_flag & trace_tools)
-    fprintf (stderr, "running: %s %s - %s %s\n",
-            m4, full_m4sugar, full_cm4, full_skeleton);
+    fprintf (stderr, "running: %s %s - %s\n",
+            m4, full_m4sugar, full_skeleton);
 
   argv[0] = m4;
   argv[1] = full_m4sugar;
   argv[2] = "-";
-  argv[3] = full_cm4;
-  argv[4] = full_skeleton;
+  argv[3] = full_skeleton;
+  argv[4] = trace_flag & trace_m4 ? "-dV" : NULL;
   argv[5] = NULL;
 
   init_subpipe ();
   pid = create_subpipe (argv, filter_fd);
   free (full_m4sugar);
-  free (full_cm4);
   free (full_skeleton);
 
   out = fdopen (filter_fd[0], "w");
@@ -592,12 +584,14 @@ static void
 prepare (void)
 {
   /* Flags. */
-  MUSCLE_INSERT_BOOL ("debug", debug_flag);
+  MUSCLE_INSERT_BOOL ("debug_flag", debug_flag);
   MUSCLE_INSERT_BOOL ("defines_flag", defines_flag);
-  MUSCLE_INSERT_BOOL ("error_verbose", error_verbose);
+  MUSCLE_INSERT_BOOL ("error_verbose_flag", error_verbose);
   MUSCLE_INSERT_BOOL ("locations_flag", locations_flag);
-  MUSCLE_INSERT_BOOL ("pure", pure_parser);
+  MUSCLE_INSERT_BOOL ("pure_flag", pure_parser);
   MUSCLE_INSERT_BOOL ("synclines_flag", !no_lines_flag);
+  MUSCLE_INSERT_BOOL ("tag_seen_flag", tag_seen);
+  MUSCLE_INSERT_BOOL ("yacc_flag", yacc_flag);
 
   /* File names.  */
   MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy");