* data/glr.c (yyreportTree): Make room in yystates for the state

[bison.git] / src / tables.c

diff --git a/src/tables.c b/src/tables.c
index ba2c7a0e91fabe73c9efa86913ef4cd3bbe8dd84..c938139b2b564592530576c4422ce3eac59e7c59 100644 (file)
--- a/src/tables.c
+++ b/src/tables.c
@@ -1,7 +1,7 @@
 /* Output the generated parsing program for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004
-   Free Software Foundation, Inc.
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
+   2005 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -17,10 +17,10 @@
 
    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.  */
-
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
+#include <config.h>
 #include "system.h"
 
 #include <bitsetv.h>
@@ -42,13 +42,15 @@
 
    Of course vector_number_t ought to be wide enough to contain
    state_number and symbol_number.  */
-typedef short int vector_number;
+typedef int vector_number;
 
+#if 0 /* Not currently used.  */
 static inline vector_number
 state_number_to_vector_number (state_number s)
 {
   return s;
 }
+#endif
 
 static inline vector_number
 symbol_number_to_vector_number (symbol_number sym)
@@ -84,7 +86,7 @@ int nvectors;
 static base_number **froms;
 static base_number **tos;
 static unsigned int **conflict_tos;
-static short int *tally;
+static int *tally;
 static base_number *width;
 
 
@@ -94,8 +96,8 @@ static base_number *width;
    If N = MIN, stands for `raise a syntax error'.
    If N > 0, stands for `shift SYMBOL and go to n'.
    If N < 0, stands for `reduce -N'.  */
-typedef short int action_number;
-#define ACTION_NUMBER_MINIMUM SHRT_MIN
+typedef int action_number;
+#define ACTION_NUMBER_MINIMUM INT_MIN
 
 static action_number *actrow;
 
@@ -171,7 +173,7 @@ table_grow (int desired)
 
 /*-------------------------------------------------------------------.
 | For GLR parsers, for each conflicted token in S, as indicated      |
-| by non-zero entries in CONFLROW, create a list of possible        |
+| by non-zero entries in CONFLROW, create a list of possible        |
 | reductions that are alternatives to the shift or reduction        |
 | currently recorded for that token in S.  Store the alternative     |
 | reductions followed by a 0 in CONFLICT_LIST, updating                     |
@@ -200,16 +202,14 @@ conflict_row (state *s)
              && (actrow[j]
                  != rule_number_as_item_number (reds->rules[i]->number)))
            {
-             if (conflict_list_free <= 0)
-               abort ();
+             assert (0 < conflict_list_free);
              conflict_list[conflict_list_cnt] = reds->rules[i]->number + 1;
              conflict_list_cnt += 1;
              conflict_list_free -= 1;
            }
 
        /* Leave a 0 at the end.  */
-       if (conflict_list_free <= 0)
-         abort ();
+       assert (0 < conflict_list_free);
        conflict_list[conflict_list_cnt] = 0;
        conflict_list_cnt += 1;
        conflict_list_free -= 1;
@@ -516,14 +516,14 @@ save_column (symbol_number sym, state_number default_state)
 `-------------------------------------------------------------*/
 
 static state_number
-default_goto (symbol_number sym, short int state_count[])
+default_goto (symbol_number sym, size_t state_count[])
 {
   state_number s;
   goto_number i;
   goto_number m = goto_map[sym - ntokens];
   goto_number n = goto_map[sym - ntokens + 1];
   state_number default_state = -1;
-  int max = 0;
+  size_t max = 0;
 
   if (m == n)
     return -1;
@@ -558,7 +558,7 @@ static void
 goto_actions (void)
 {
   symbol_number i;
-  short int *state_count = xnmalloc (nstates, sizeof *state_count);
+  size_t *state_count = xnmalloc (nstates, sizeof *state_count);
   yydefgoto = xnmalloc (nvars, sizeof *yydefgoto);
 
   /* For a given nterm I, STATE_COUNT[S] is the number of times there
@@ -673,16 +673,14 @@ pack_vector (vector_number vector)
   base_number *to = tos[i];
   unsigned int *conflict_to = conflict_tos[i];
 
-  if (!t)
-    abort ();
+  assert (t);
 
   for (j = lowzero - from[0]; ; j++)
     {
       int k;
       bool ok = true;
 
-      if (table_size <= j)
-       abort ();
+      assert (j < table_size);
 
       for (k = 0; ok && k < t; k++)
        {
@@ -715,8 +713,7 @@ pack_vector (vector_number vector)
          if (loc > high)
            high = loc;
 
-         if (! (BASE_MINIMUM <= j && j <= BASE_MAXIMUM))
-           abort ();
+         assert (BASE_MINIMUM <= j && j <= BASE_MAXIMUM);
          return j;
        }
     }
@@ -808,9 +805,8 @@ tables_generate (void)
   /* This is a poor way to make sure the sizes are properly
      correlated.  In particular the signedness is not taken into
      account.  But it's not useless.  */
-  verify (sizes_are_properly_correlated,
-         (sizeof nstates <= sizeof nvectors
-          && sizeof nvars <= sizeof nvectors));
+  verify (sizeof nstates <= sizeof nvectors
+         && sizeof nvars <= sizeof nvectors);
 
   nvectors = state_number_as_int (nstates) + nvars;