Change @dircategory from "GNU programming tools" to "Software development".

[bison.git] / src / tables.c

diff --git a/src/tables.c b/src/tables.c
index b7f773f5fc05e4bfdf998bbae3801941943a7789..fc4cfad2417b360bb5bd31afe48c3baea9cecbb4 100644 (file)
--- a/src/tables.c
+++ b/src/tables.c
@@ -1,5 +1,6 @@
 /* Output the generated parsing program for Bison.
 /* Output the generated parsing program for Bison.

-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004

    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -41,11 +42,19 @@
 
    Of course vector_number_t ought to be wide enough to contain
    state_number and symbol_number.  */
 
    Of course vector_number_t ought to be wide enough to contain
    state_number and symbol_number.  */

-typedef short vector_number;
-#define state_number_to_vector_number(State) \
-   ((vector_number) State)
-#define symbol_number_to_vector_number(Symbol) \
-   ((vector_number) (state_number_as_int (nstates) + Symbol - ntokens))
+typedef int vector_number;
+
+static inline vector_number
+state_number_to_vector_number (state_number s)
+{
+  return s;
+}
+
+static inline vector_number
+symbol_number_to_vector_number (symbol_number sym)
+{
+  return state_number_as_int (nstates) + sym - ntokens;
+}

 
 int nvectors;
 
 
 int nvectors;
 


@@ -72,11 +81,11 @@ int nvectors;
 #define BASE_MAXIMUM INT_MAX
 #define BASE_MINIMUM INT_MIN
 
 #define BASE_MAXIMUM INT_MAX
 #define BASE_MINIMUM INT_MIN
 

-static base_number **froms = NULL;
-static base_number **tos = NULL;
-static unsigned int **conflict_tos = NULL;
-static short *tally = NULL;
-static base_number *width = NULL;
+static base_number **froms;
+static base_number **tos;
+static unsigned int **conflict_tos;
+static int *tally;
+static base_number *width;

 
 
 /* For a given state, N = ACTROW[SYMBOL]:
 
 
 /* For a given state, N = ACTROW[SYMBOL]:


@@ -85,15 +94,15 @@ static base_number *width = NULL;
    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'.  */
    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 action_number;
-#define ACTION_NUMBER_MINIMUM SHRT_MIN
+typedef int action_number;
+#define ACTION_NUMBER_MINIMUM INT_MIN

 
 

-static action_number *actrow = NULL;
+static action_number *actrow;

 
 /* FROMS and TOS are reordered to be compressed.  ORDER[VECTOR] is the
    new vector number of VECTOR.  We skip `empty' vectors (i.e.,
    TALLY[VECTOR] = 0), and call these `entries'.  */
 
 /* FROMS and TOS are reordered to be compressed.  ORDER[VECTOR] is the
    new vector number of VECTOR.  We skip `empty' vectors (i.e.,
    TALLY[VECTOR] = 0), and call these `entries'.  */

-static vector_number *order = NULL;
+static vector_number *order;

 static int nentries;
 
 base_number *base = NULL;
 static int nentries;
 
 base_number *base = NULL;


@@ -103,18 +112,18 @@ base_number *base = NULL;
 base_number base_ninf = 0;
 static base_number *pos = NULL;
 
 base_number base_ninf = 0;
 static base_number *pos = NULL;
 

-static unsigned int *conflrow = NULL;
-unsigned int *conflict_table = NULL;
-unsigned int *conflict_list = NULL;
+static unsigned int *conflrow;
+unsigned int *conflict_table;
+unsigned int *conflict_list;

 int conflict_list_cnt;
 static int conflict_list_free;
 
 /* TABLE_SIZE is the allocated size of both TABLE and CHECK.  We start
    with more or less the original hard-coded value (which was
    SHRT_MAX).  */
 int conflict_list_cnt;
 static int conflict_list_free;
 
 /* TABLE_SIZE is the allocated size of both TABLE and CHECK.  We start
    with more or less the original hard-coded value (which was
    SHRT_MAX).  */

-static size_t table_size = 32768;
-base_number *table = NULL;
-base_number *check = NULL;
+static int table_size = 32768;
+base_number *table;
+base_number *check;

 /* The value used in TABLE to denote explicit syntax errors
    (%nonassoc), a negative infinite.  First defaults to ACTION_NUMBER_MININUM,
    but in order to keep small tables, renumbered as TABLE_ERROR, which
 /* The value used in TABLE to denote explicit syntax errors
    (%nonassoc), a negative infinite.  First defaults to ACTION_NUMBER_MININUM,
    but in order to keep small tables, renumbered as TABLE_ERROR, which


@@ -133,9 +142,9 @@ rule_number *yydefact;
 `----------------------------------------------------------------*/
 
 static void
 `----------------------------------------------------------------*/
 
 static void

-table_grow (size_t desired)
+table_grow (int desired)

 {
 {

-  size_t old_size = table_size;
+  int old_size = table_size;

 
   while (table_size <= desired)
     table_size *= 2;
 
   while (table_size <= desired)
     table_size *= 2;


@@ -144,13 +153,15 @@ table_grow (size_t desired)
     fprintf (stderr, "growing table and check from: %d to %d\n",
             old_size, table_size);
 
     fprintf (stderr, "growing table and check from: %d to %d\n",
             old_size, table_size);
 

-  table = XREALLOC (table, base_number, table_size);
-  check = XREALLOC (check, base_number, table_size);
-  conflict_table = XREALLOC (conflict_table, unsigned int, table_size);
+  table = xnrealloc (table, table_size, sizeof *table);
+  conflict_table = xnrealloc (conflict_table, table_size,
+                             sizeof *conflict_table);
+  check = xnrealloc (check, table_size, sizeof *check);

 
   for (/* Nothing. */; old_size < table_size; ++old_size)
     {
       table[old_size] = 0;
 
   for (/* Nothing. */; old_size < table_size; ++old_size)
     {
       table[old_size] = 0;

+      conflict_table[old_size] = 0;

       check[old_size] = -1;
     }
 }
       check[old_size] = -1;
     }
 }


@@ -174,7 +185,7 @@ conflict_row (state *s)
   int i, j;
   reductions *reds = s->reductions;
 
   int i, j;
   reductions *reds = s->reductions;
 

-  if (! glr_parser)
+  if (!nondeterministic_parser)

     return;
 
   for (j = 0; j < ntokens; j += 1)
     return;
 
   for (j = 0; j < ntokens; j += 1)


@@ -185,7 +196,7 @@ conflict_row (state *s)
        /* Find all reductions for token J, and record all that do not
           match ACTROW[J].  */
        for (i = 0; i < reds->num; i += 1)
        /* Find all reductions for token J, and record all that do not
           match ACTROW[J].  */
        for (i = 0; i < reds->num; i += 1)

-         if (bitset_test (reds->lookaheads[i], j)
+         if (bitset_test (reds->look_ahead_tokens[i], j)

              && (actrow[j]
                  != rule_number_as_item_number (reds->rules[i]->number)))
            {
              && (actrow[j]
                  != rule_number_as_item_number (reds->rules[i]->number)))
            {


@@ -199,6 +210,7 @@ conflict_row (state *s)
        /* Leave a 0 at the end.  */
        if (conflict_list_free <= 0)
          abort ();
        /* Leave a 0 at the end.  */
        if (conflict_list_free <= 0)
          abort ();

+       conflict_list[conflict_list_cnt] = 0;

        conflict_list_cnt += 1;
        conflict_list_free -= 1;
       }
        conflict_list_cnt += 1;
        conflict_list_free -= 1;
       }


@@ -206,8 +218,8 @@ conflict_row (state *s)
 
 
 /*------------------------------------------------------------------.
 
 
 /*------------------------------------------------------------------.

-| Decide what to do for each type of token if seen as the lookahead |
-| token in specified state.  The value returned is used as the      |
+| Decide what to do for each type of token if seen as the           |
+| look-ahead in specified state.  The value returned is used as the |

 | default action (yydefact) for the state.  In addition, ACTROW is  |
 | filled with what to do for each kind of token, index by symbol    |
 | number, with zero meaning do the default action.  The value       |
 | default action (yydefact) for the state.  In addition, ACTROW is  |
 | filled with what to do for each kind of token, index by symbol    |
 | number, with zero meaning do the default action.  The value       |


@@ -215,7 +227,7 @@ conflict_row (state *s)
 | situation is an error.  The parser recognizes this value         |
 | specially.                                                       |
 |                                                                   |
 | situation is an error.  The parser recognizes this value         |
 | specially.                                                       |
 |                                                                   |

-| This is where conflicts are resolved.  The loop over lookahead    |
+| This is where conflicts are resolved.  The loop over look-ahead   |

 | rules considered lower-numbered rules last, and the last rule     |
 | considered that likes a token gets to handle it.                  |
 |                                                                   |
 | rules considered lower-numbered rules last, and the last rule     |
 | considered that likes a token gets to handle it.                  |
 |                                                                   |


@@ -234,28 +246,31 @@ action_row (state *s)
   transitions *trans = s->transitions;
   errs *errp = s->errs;
   /* Set to nonzero to inhibit having any default reduction.  */
   transitions *trans = s->transitions;
   errs *errp = s->errs;
   /* Set to nonzero to inhibit having any default reduction.  */

-  int nodefault = 0;
-  int conflicted = 0;
+  bool nodefault = false;
+  bool conflicted = false;

 
   for (i = 0; i < ntokens; i++)
     actrow[i] = conflrow[i] = 0;
 
 
   for (i = 0; i < ntokens; i++)
     actrow[i] = conflrow[i] = 0;
 

-  if (reds->lookaheads)
+  if (reds->look_ahead_tokens)

     {
       int j;
       bitset_iterator biter;
       /* loop over all the rules available here which require
     {
       int j;
       bitset_iterator biter;
       /* loop over all the rules available here which require

-        lookahead (in reverse order to give precedence to the first
+        look-ahead (in reverse order to give precedence to the first

         rule) */
       for (i = reds->num - 1; i >= 0; --i)
        /* and find each token which the rule finds acceptable
           to come next */
         rule) */
       for (i = reds->num - 1; i >= 0; --i)
        /* and find each token which the rule finds acceptable
           to come next */

-       BITSET_FOR_EACH (biter, reds->lookaheads[i], j, 0)
+       BITSET_FOR_EACH (biter, reds->look_ahead_tokens[i], j, 0)

        {
          /* and record this rule as the rule to use if that
             token follows.  */
          if (actrow[j] != 0)
        {
          /* and record this rule as the rule to use if that
             token follows.  */
          if (actrow[j] != 0)

-           conflicted = conflrow[j] = 1;
+           {
+             conflicted = true;
+             conflrow[j] = 1;
+           }

          actrow[j] = rule_number_as_item_number (reds->rules[i]->number);
        }
     }
          actrow[j] = rule_number_as_item_number (reds->rules[i]->number);
        }
     }


@@ -269,13 +284,16 @@ action_row (state *s)
       state *shift_state = trans->states[i];
 
       if (actrow[sym] != 0)
       state *shift_state = trans->states[i];
 
       if (actrow[sym] != 0)

-       conflicted = conflrow[sym] = 1;
+       {
+         conflicted = true;
+         conflrow[sym] = 1;
+       }

       actrow[sym] = state_number_as_int (shift_state->number);
 
       /* Do not use any default reduction if there is a shift for
         error */
       if (sym == errtoken->number)
       actrow[sym] = state_number_as_int (shift_state->number);
 
       /* Do not use any default reduction if there is a shift for
         error */
       if (sym == errtoken->number)

-       nodefault = 1;
+       nodefault = true;

     }
 
   /* See which tokens are an explicit error in this state (due to
     }
 
   /* See which tokens are an explicit error in this state (due to


@@ -325,7 +343,7 @@ action_row (state *s)
              int j;
              for (j = 0; j < ntokens; j++)
                if (actrow[j] == rule_number_as_item_number (default_rule->number)
              int j;
              for (j = 0; j < ntokens; j++)
                if (actrow[j] == rule_number_as_item_number (default_rule->number)

-                   && ! (glr_parser && conflrow[j]))
+                   && ! (nondeterministic_parser && conflrow[j]))

                  actrow[j] = 0;
            }
        }
                  actrow[j] = 0;
            }
        }


@@ -355,10 +373,10 @@ save_row (state_number s)
 {
   symbol_number i;
   int count;
 {
   symbol_number i;
   int count;

-  base_number *sp = NULL;
-  base_number *sp1 = NULL;
-  base_number *sp2 = NULL;
-  unsigned int *sp3 = NULL;
+  base_number *sp;
+  base_number *sp1;
+  base_number *sp2;
+  unsigned int *sp3;

 
   /* Number of non default actions in S.  */
   count = 0;
 
   /* Number of non default actions in S.  */
   count = 0;


@@ -370,12 +388,10 @@ save_row (state_number s)
     return;
 
   /* Allocate non defaulted actions.  */
     return;
 
   /* Allocate non defaulted actions.  */

-  froms[s] = sp1 = sp = XCALLOC (base_number, count);
-  tos[s] = sp2 = XCALLOC (base_number, count);
-  if (glr_parser)
-    conflict_tos[s] = sp3 = XCALLOC (unsigned int, count);
-  else
-    conflict_tos[s] = NULL;
+  froms[s] = sp = sp1 = xnmalloc (count, sizeof *sp1);
+  tos[s] = sp2 = xnmalloc (count, sizeof *sp2);
+  conflict_tos[s] = sp3 =
+    nondeterministic_parser ? xnmalloc (count, sizeof *sp3) : NULL;

 
   /* Store non defaulted actions.  */
   for (i = 0; i < ntokens; i++)
 
   /* Store non defaulted actions.  */
   for (i = 0; i < ntokens; i++)


@@ -383,7 +399,7 @@ save_row (state_number s)
       {
        *sp1++ = i;
        *sp2++ = actrow[i];
       {
        *sp1++ = i;
        *sp2++ = actrow[i];

-       if (glr_parser)
+       if (nondeterministic_parser)

          *sp3++ = conflrow[i];
       }
 
          *sp3++ = conflrow[i];
       }
 


@@ -394,7 +410,7 @@ save_row (state_number s)
 
 /*------------------------------------------------------------------.
 | Figure out the actions for the specified state, indexed by        |
 
 /*------------------------------------------------------------------.
 | Figure out the actions for the specified state, indexed by        |

-| lookahead token type.                                             |
+| look-ahead token type.                                            |

 |                                                                   |
 | The YYDEFACT table is output now.  The detailed info is saved for |
 | putting into YYTABLE later.                                       |
 |                                                                   |
 | The YYDEFACT table is output now.  The detailed info is saved for |
 | putting into YYTABLE later.                                       |


@@ -407,19 +423,19 @@ token_actions (void)
   symbol_number j;
   rule_number r;
 
   symbol_number j;
   rule_number r;
 

-  int nconflict = glr_parser ? conflicts_total_count () : 0;
+  int nconflict = nondeterministic_parser ? conflicts_total_count () : 0;

 
 

-  yydefact = XCALLOC (rule_number, nstates);
+  yydefact = xnmalloc (nstates, sizeof *yydefact);

 
 

-  actrow = XCALLOC (action_number, ntokens);
-  conflrow = XCALLOC (unsigned int, ntokens);
+  actrow = xnmalloc (ntokens, sizeof *actrow);
+  conflrow = xnmalloc (ntokens, sizeof *conflrow);

 
 

-  conflict_list = XCALLOC (unsigned int, 1 + 2 * nconflict);
+  conflict_list = xnmalloc (1 + 2 * nconflict, sizeof *conflict_list);

   conflict_list_free = 2 * nconflict;
   conflict_list_cnt = 1;
 
   /* Find the rules which are reduced.  */
   conflict_list_free = 2 * nconflict;
   conflict_list_cnt = 1;
 
   /* Find the rules which are reduced.  */

-  if (!glr_parser)
+  if (!nondeterministic_parser)

     for (r = 0; r < nrules; ++r)
       rules[r].useful = false;
 
     for (r = 0; r < nrules; ++r)
       rules[r].useful = false;
 


@@ -432,7 +448,7 @@ token_actions (void)
       /* Now that the parser was computed, we can find which rules are
         really reduced, and which are not because of SR or RR
         conflicts.  */
       /* Now that the parser was computed, we can find which rules are
         really reduced, and which are not because of SR or RR
         conflicts.  */

-      if (!glr_parser)
+      if (!nondeterministic_parser)

        {
          for (j = 0; j < ntokens; ++j)
            if (actrow[j] < 0 && actrow[j] != ACTION_NUMBER_MINIMUM)
        {
          for (j = 0; j < ntokens; ++j)
            if (actrow[j] < 0 && actrow[j] != ACTION_NUMBER_MINIMUM)


@@ -459,15 +475,15 @@ token_actions (void)
 static void
 save_column (symbol_number sym, state_number default_state)
 {
 static void
 save_column (symbol_number sym, state_number default_state)
 {

-  int i;
+  goto_number i;

   base_number *sp;
   base_number *sp1;
   base_number *sp2;
   int count;
   vector_number symno = symbol_number_to_vector_number (sym);
 
   base_number *sp;
   base_number *sp1;
   base_number *sp2;
   int count;
   vector_number symno = symbol_number_to_vector_number (sym);
 

-  goto_number begin = goto_map[sym];
-  goto_number end = goto_map[sym + 1];
+  goto_number begin = goto_map[sym - ntokens];
+  goto_number end = goto_map[sym - ntokens + 1];

 
   /* Number of non default GOTO.  */
   count = 0;
 
   /* Number of non default GOTO.  */
   count = 0;


@@ -479,8 +495,8 @@ save_column (symbol_number sym, state_number default_state)
     return;
 
   /* Allocate room for non defaulted gotos.  */
     return;
 
   /* Allocate room for non defaulted gotos.  */

-  froms[symno] = sp1 = sp = XCALLOC (base_number, count);
-  tos[symno] = sp2 = XCALLOC (base_number, count);
+  froms[symno] = sp = sp1 = xnmalloc (count, sizeof *sp1);
+  tos[symno] = sp2 = xnmalloc (count, sizeof *sp2);

 
   /* Store the state numbers of the non defaulted gotos.  */
   for (i = begin; i < end; i++)
 
   /* Store the state numbers of the non defaulted gotos.  */
   for (i = begin; i < end; i++)


@@ -500,17 +516,17 @@ save_column (symbol_number sym, state_number default_state)
 `-------------------------------------------------------------*/
 
 static state_number
 `-------------------------------------------------------------*/
 
 static state_number

-default_goto (symbol_number sym, short state_count[])
+default_goto (symbol_number sym, size_t state_count[])

 {
   state_number s;
 {
   state_number s;

-  int i;
-  goto_number m = goto_map[sym];
-  goto_number n = goto_map[sym + 1];
-  state_number default_state = (state_number) -1;
-  int max = 0;
+  goto_number i;
+  goto_number m = goto_map[sym - ntokens];
+  goto_number n = goto_map[sym - ntokens + 1];
+  state_number default_state = -1;
+  size_t max = 0;

 
   if (m == n)
 
   if (m == n)

-    return (state_number) -1;
+    return -1;

 
   for (s = 0; s < nstates; s++)
     state_count[s] = 0;
 
   for (s = 0; s < nstates; s++)
     state_count[s] = 0;


@@ -542,8 +558,8 @@ static void
 goto_actions (void)
 {
   symbol_number i;
 goto_actions (void)
 {
   symbol_number i;

-  short *state_count = XCALLOC (short, nstates);
-  yydefgoto = XMALLOC (state_number, nvars);
+  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
      is a GOTO to S on I.  */
 
   /* For a given nterm I, STATE_COUNT[S] is the number of times there
      is a GOTO to S on I.  */


@@ -607,7 +623,7 @@ matching_state (vector_number vector)
   int prev;
 
   /* If VECTOR is a nterm, return -1.  */
   int prev;
 
   /* If VECTOR is a nterm, return -1.  */

-  if (i >= (int) nstates)
+  if (nstates <= i)

     return -1;
 
   t = tally[i];
     return -1;
 
   t = tally[i];


@@ -657,30 +673,30 @@ pack_vector (vector_number vector)
   base_number *to = tos[i];
   unsigned int *conflict_to = conflict_tos[i];
 
   base_number *to = tos[i];
   unsigned int *conflict_to = conflict_tos[i];
 

-  if (! t)
+  if (!t)

     abort ();
 
   for (j = lowzero - from[0]; ; j++)
     {
       int k;
     abort ();
 
   for (j = lowzero - from[0]; ; j++)
     {
       int k;

-      int ok = 1;
+      bool ok = true;

 
 

-      if ((int) table_size <= j)
+      if (table_size <= j)

        abort ();
 
       for (k = 0; ok && k < t; k++)
        {
          loc = j + state_number_as_int (from[k]);
        abort ();
 
       for (k = 0; ok && k < t; k++)
        {
          loc = j + state_number_as_int (from[k]);

-         if (loc >= (int) table_size)
+         if (table_size <= loc)

            table_grow (loc);
 
          if (table[loc] != 0)
            table_grow (loc);
 
          if (table[loc] != 0)

-           ok = 0;
+           ok = false;

        }
 
       for (k = 0; ok && k < vector; k++)
        if (pos[k] == j)
        }
 
       for (k = 0; ok && k < vector; k++)
        if (pos[k] == j)

-         ok = 0;
+         ok = false;

 
       if (ok)
        {
 
       if (ok)
        {


@@ -688,7 +704,7 @@ pack_vector (vector_number vector)
            {
              loc = j + from[k];
              table[loc] = to[k];
            {
              loc = j + from[k];
              table[loc] = to[k];

-             if (glr_parser && conflict_to != NULL)
+             if (nondeterministic_parser && conflict_to != NULL)

                conflict_table[loc] = conflict_to[k];
              check[loc] = from[k];
            }
                conflict_table[loc] = conflict_to[k];
              check[loc] = from[k];
            }


@@ -716,10 +732,10 @@ pack_vector (vector_number vector)
 `-------------------------------------------------------------*/
 
 static base_number
 `-------------------------------------------------------------*/
 
 static base_number

-table_ninf_remap (base_number tab[], size_t size, base_number ninf)
+table_ninf_remap (base_number tab[], int size, base_number ninf)

 {
   base_number res = 0;
 {
   base_number res = 0;

-  size_t i;
+  int i;

 
   for (i = 0; i < size; i++)
     if (tab[i] < res && tab[i] != ninf)
 
   for (i = 0; i < size; i++)
     if (tab[i] < res && tab[i] != ninf)


@@ -739,11 +755,11 @@ pack_table (void)
 {
   int i;
 
 {
   int i;
 

-  base = XCALLOC (base_number, nvectors);
-  pos = XCALLOC (base_number, nentries);
-  table = XCALLOC (base_number, table_size);
-  conflict_table = XCALLOC (unsigned int, table_size);
-  check = XCALLOC (base_number, table_size);
+  base = xnmalloc (nvectors, sizeof *base);
+  pos = xnmalloc (nentries, sizeof *pos);
+  table = xcalloc (table_size, sizeof *table);
+  conflict_table = xcalloc (table_size, sizeof *conflict_table);
+  check = xnmalloc (table_size, sizeof *check);

 
   lowzero = 0;
   high = 0;
 
   lowzero = 0;
   high = 0;


@@ -751,7 +767,7 @@ pack_table (void)
   for (i = 0; i < nvectors; i++)
     base[i] = BASE_MINIMUM;
 
   for (i = 0; i < nvectors; i++)
     base[i] = BASE_MINIMUM;
 

-  for (i = 0; i < (int) table_size; i++)
+  for (i = 0; i < table_size; i++)

     check[i] = -1;
 
   for (i = 0; i < nentries; i++)
     check[i] = -1;
 
   for (i = 0; i < nentries; i++)


@@ -798,20 +814,20 @@ tables_generate (void)
 
   nvectors = state_number_as_int (nstates) + nvars;
 
 
   nvectors = state_number_as_int (nstates) + nvars;
 

-  froms = XCALLOC (base_number *, nvectors);
-  tos = XCALLOC (base_number *, nvectors);
-  conflict_tos = XCALLOC (unsigned int *, nvectors);
-  tally = XCALLOC (short, nvectors);
-  width = XCALLOC (base_number, nvectors);
+  froms = xcalloc (nvectors, sizeof *froms);
+  tos = xcalloc (nvectors, sizeof *tos);
+  conflict_tos = xcalloc (nvectors, sizeof *conflict_tos);
+  tally = xcalloc (nvectors, sizeof *tally);
+  width = xnmalloc (nvectors, sizeof *width);

 
   token_actions ();
 
   goto_actions ();
 
   token_actions ();
 
   goto_actions ();

-  free (goto_map + ntokens);
+  free (goto_map);

   free (from_state);
   free (to_state);
 
   free (from_state);
   free (to_state);
 

-  order = XCALLOC (vector_number, nvectors);
+  order = xcalloc (nvectors, sizeof *order);

   sort_actions ();
   pack_table ();
   free (order);
   sort_actions ();
   pack_table ();
   free (order);


@@ -823,7 +839,7 @@ tables_generate (void)
     {
       free (froms[i]);
       free (tos[i]);
     {
       free (froms[i]);
       free (tos[i]);

-      XFREE (conflict_tos[i]);
+      free (conflict_tos[i]);

     }
 
   free (froms);
     }
 
   free (froms);