* src/files.c (output_files): Free the output_obstack.

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index fbb78d282f2b747c3a3f4cae515ce278c431f2cc..841ebe4f3780ec728f52920f437e27ad88a93f45 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -91,10 +91,8 @@
 */
 
 #include "system.h"
 */
 
 #include "system.h"

-#include "obstack.h"

 #include "quotearg.h"
 #include "getargs.h"
 #include "quotearg.h"
 #include "getargs.h"

-#include "xalloc.h"

 #include "files.h"
 #include "gram.h"
 #include "LR0.h"
 #include "files.h"
 #include "gram.h"
 #include "LR0.h"


@@ -105,39 +103,57 @@
 #include "conflicts.h"
 #include "muscle_tab.h"
 
 #include "conflicts.h"
 #include "muscle_tab.h"
 

-extern void berror PARAMS((const char *));

 
 static int nvectors;
 static int nentries;
 
 static int nvectors;
 static int nentries;

-static short **froms;
-static short **tos;
-static short *tally;
-static short *width;
-static short *actrow;
-static short *state_count;
-static short *order;
-static short *base;
-static short *pos;
-static short *table;
-static short *check;
+static short **froms = NULL;
+static short **tos = NULL;
+static short *tally = NULL;
+static short *width = NULL;
+static short *actrow = NULL;
+static short *state_count = NULL;
+static short *order = NULL;
+static short *base = NULL;
+static short *pos = NULL;
+static short *table = NULL;
+static short *check = NULL;

 static int lowzero;
 static int high;
 
 struct obstack muscle_obstack;
 struct obstack output_obstack;
 
 static int lowzero;
 static int high;
 
 struct obstack muscle_obstack;
 struct obstack output_obstack;
 

+int error_verbose = 0;
+
+/* Returns the number of lines of S.  */
+static size_t
+get_lines_number (const char *s)
+{
+  size_t lines = 0;
+  
+  size_t i;
+  for (i = 0; s[i]; ++i)
+    {
+      if (s[i] == '\n')
+       ++lines;
+    }   
+  
+  return lines;
+}
+
+

 /* FIXME. */
 
 static inline void
 /* FIXME. */
 
 static inline void

-output_table_data (struct obstack *oout, 
-                  short *table_data, 
-                  short first, 
-                  short begin, 
+output_table_data (struct obstack *oout,
+                  short *table_data,
+                  short first,
+                  short begin,

                   short end)
 {
   int i;
   int j = 1;
                   short end)
 {
   int i;
   int j = 1;

-  
+

   obstack_fgrow1 (oout, "%6d", first);
   for (i = begin; i < end; ++i)
     {
   obstack_fgrow1 (oout, "%6d", first);
   for (i = begin; i < end; ++i)
     {


@@ -158,19 +174,28 @@ output_table_data (struct obstack *oout,
 static void
 output_token_translations (void)
 {
 static void
 output_token_translations (void)
 {

-  output_table_data (&output_obstack, token_translations, 
+  output_table_data (&output_obstack, token_translations,

                     0, 1, max_user_token_number + 1);
   muscle_insert ("translate", obstack_finish (&output_obstack));
                     0, 1, max_user_token_number + 1);
   muscle_insert ("translate", obstack_finish (&output_obstack));

+  XFREE (token_translations);

 }
 
 
 static void
 output_gram (void)
 {
 }
 
 
 static void
 output_gram (void)
 {

-  output_table_data (&output_obstack, rrhs, 
-                    0, 1, nrules + 1);
+  {
+    int i;
+    short *values = XCALLOC (short, nrules + 1);
+    for (i = 0; i < nrules + 1; ++i)
+      values[i] = rule_table[i].rhs;
+    output_table_data (&output_obstack, values,
+                      0, 1, nrules + 1);
+    XFREE (values);
+  }
+

   muscle_insert ("prhs", obstack_finish (&output_obstack));
   muscle_insert ("prhs", obstack_finish (&output_obstack));

-  
+

   {
     size_t yyrhs_size = 1;
     short *yyrhs, *sp;
   {
     size_t yyrhs_size = 1;
     short *yyrhs, *sp;


@@ -183,15 +208,15 @@ output_gram (void)
     for (sp = ritem + 1, i = 1; *sp; ++sp, ++i)
       yyrhs[i] = *sp > 0 ? *sp : 0;
 
     for (sp = ritem + 1, i = 1; *sp; ++sp, ++i)
       yyrhs[i] = *sp > 0 ? *sp : 0;
 

-    output_table_data (&output_obstack, yyrhs, 
+    output_table_data (&output_obstack, yyrhs,

                       ritem[0], 1, yyrhs_size);
     muscle_insert ("rhs", obstack_finish (&output_obstack));
 
     XFREE (yyrhs);
   }
                       ritem[0], 1, yyrhs_size);
     muscle_insert ("rhs", obstack_finish (&output_obstack));
 
     XFREE (yyrhs);
   }

-
+  

 #if 0
 #if 0

-  if (!semantic_parser && !no_parser_flag)
+  if (!semantic_parser)

     obstack_sgrow (&table_obstack, "\n#endif\n");
 #endif
 }
     obstack_sgrow (&table_obstack, "\n#endif\n");
 #endif
 }


@@ -200,7 +225,11 @@ output_gram (void)
 static void
 output_stos (void)
 {
 static void
 output_stos (void)
 {

-  output_table_data (&output_obstack, accessing_symbol, 
+  int i;
+  short *values = (short *) alloca (sizeof (short) * nstates);
+  for (i = 0; i < nstates; ++i)
+    values[i] = state_table[i]->accessing_symbol;
+  output_table_data (&output_obstack, values,

                     0, 1, nstates);
   muscle_insert ("stos", obstack_finish (&output_obstack));
 }
                     0, 1, nstates);
   muscle_insert ("stos", obstack_finish (&output_obstack));
 }


@@ -213,28 +242,27 @@ output_rule_data (void)
   int j;
   short *short_tab = NULL;
 
   int j;
   short *short_tab = NULL;
 

-  output_table_data (&output_obstack, rline,
-                    0, 1, nrules + 1);
-  muscle_insert ("rline", obstack_finish (&output_obstack));
+  {
+    short *values = XCALLOC (short, nrules + 1);
+    for (i = 0; i < nrules + 1; ++i)
+      values[i] = rule_table[i].line;
+    output_table_data (&output_obstack, values,
+                      0, 1, nrules + 1);
+    muscle_insert ("rline", obstack_finish (&output_obstack));
+    XFREE (values);
+  }
+

 
   j = 0;
   for (i = 0; i < nsyms; i++)
 
   j = 0;
   for (i = 0; i < nsyms; i++)

-    /* this used to be i<=nsyms, but that output a final "" symbol
-       almost by accident */

     {
     {

+      /* Be sure not to use twice the same quotearg slot. */
+      const char *cp =
+       quotearg_n_style (1, c_quoting_style,
+                         quotearg_style (escape_quoting_style, tags[i]));

       /* Width of the next token, including the two quotes, the coma
         and the space.  */
       /* Width of the next token, including the two quotes, the coma
         and the space.  */

-      int strsize = 4;
-      char *p;
-
-      for (p = tags[i]; p && *p; p++)
-       if (*p == '"' || *p == '\\' || *p == '\n' || *p == '\t'
-           || *p == '\b')
-         strsize += 2;
-       else if (*p < 040 || *p >= 0177)
-         strsize += 4;
-       else
-         strsize++;
+      int strsize = strlen (cp) + 2;

 
       if (j + strsize > 75)
        {
 
       if (j + strsize > 75)
        {


@@ -242,24 +270,8 @@ output_rule_data (void)
          j = 2;
        }
 
          j = 2;
        }
 

-      obstack_1grow (&output_obstack, '\"');
-      for (p = tags[i]; p && *p; p++)
-       {
-         if (*p == '"' || *p == '\\')
-           obstack_fgrow1 (&output_obstack, "\\%c", *p);
-         else if (*p == '\n')
-           obstack_sgrow (&output_obstack, "\\n");
-         else if (*p == '\t')
-           obstack_sgrow (&output_obstack, "\\t");
-         else if (*p == '\b')
-           obstack_sgrow (&output_obstack, "\\b");
-         else if (*p < 040 || *p >= 0177)
-           obstack_fgrow1 (&output_obstack, "\\%03o", *p);
-         else
-           obstack_1grow (&output_obstack, *p);
-       }
-
-      obstack_sgrow (&output_obstack, "\", ");
+      obstack_sgrow (&output_obstack, cp);
+      obstack_sgrow (&output_obstack, ", ");

       j += strsize;
     }
   /* add a NULL entry to list of tokens */
       j += strsize;
     }
   /* add a NULL entry to list of tokens */


@@ -275,22 +287,25 @@ output_rule_data (void)
   muscle_insert ("toknum", obstack_finish (&output_obstack));
 
   /* Output YYR1. */
   muscle_insert ("toknum", obstack_finish (&output_obstack));
 
   /* Output YYR1. */

-  output_table_data (&output_obstack, rlhs, 
-                    0, 1, nrules + 1);
-  muscle_insert ("r1", obstack_finish (&output_obstack));
-  XFREE (rlhs + 1);
+  {
+    short *values = XCALLOC (short, nrules + 1);
+    for (i = 0; i < nrules + 1; ++i)
+      values[i] = rule_table[i].lhs;
+    output_table_data (&output_obstack, values,
+                      0, 1, nrules + 1);
+    muscle_insert ("r1", obstack_finish (&output_obstack));
+    XFREE (values);
+  }

 
   /* Output YYR2. */
   short_tab = XMALLOC (short, nrules + 1);
   for (i = 1; i < nrules; i++)
 
   /* Output YYR2. */
   short_tab = XMALLOC (short, nrules + 1);
   for (i = 1; i < nrules; i++)

-    short_tab[i] = rrhs[i + 1] - rrhs[i] - 1;
-  short_tab[nrules] = nitems - rrhs[nrules] - 1;
-  output_table_data (&output_obstack, short_tab, 
+    short_tab[i] = rule_table[i + 1].rhs - rule_table[i].rhs - 1;
+  short_tab[nrules] =  nitems - rule_table[nrules].rhs - 1;
+  output_table_data (&output_obstack, short_tab,

                     0, 1, nrules + 1);
   muscle_insert ("r2", obstack_finish (&output_obstack));
   XFREE (short_tab);
                     0, 1, nrules + 1);
   muscle_insert ("r2", obstack_finish (&output_obstack));
   XFREE (short_tab);

-
-  XFREE (rrhs + 1);

 }
 
 /*------------------------------------------------------------------.
 }
 
 /*------------------------------------------------------------------.


@@ -315,15 +330,11 @@ action_row (int state)
   int k;
   int m = 0;
   int n = 0;
   int k;
   int m = 0;
   int n = 0;

-  int count;

   int default_rule;
   int nreds;
   int default_rule;
   int nreds;

-  int max;

   int rule;
   int shift_state;
   int symbol;
   int rule;
   int shift_state;
   int symbol;

-  unsigned mask;
-  unsigned *wordp;

   reductions *redp;
   shifts *shiftp;
   errs *errp;
   reductions *redp;
   shifts *shiftp;
   errs *errp;


@@ -334,7 +345,7 @@ action_row (int state)
 
   default_rule = 0;
   nreds = 0;
 
   default_rule = 0;
   nreds = 0;

-  redp = reduction_table[state];
+  redp = state_table[state]->reductions;

 
   if (redp)
     {
 
   if (redp)
     {


@@ -344,69 +355,46 @@ action_row (int state)
        {
          /* loop over all the rules available here which require
             lookahead */
        {
          /* loop over all the rules available here which require
             lookahead */

-         m = lookaheads[state];
-         n = lookaheads[state + 1];
+         m = state_table[state]->lookaheads;
+         n = state_table[state + 1]->lookaheads;

 
          for (i = n - 1; i >= m; i--)
 
          for (i = n - 1; i >= m; i--)

-           {
-             rule = -LAruleno[i];
-             wordp = LA + i * tokensetsize;
-             mask = 1;
-
-             /* and find each token which the rule finds acceptable
-                to come next */
-             for (j = 0; j < ntokens; j++)
-               {
-                 /* and record this rule as the rule to use if that
-                    token follows.  */
-                 if (mask & *wordp)
-                   actrow[j] = rule;
-
-                 mask <<= 1;
-                 if (mask == 0)
-                   {
-                     mask = 1;
-                     wordp++;
-                   }
-               }
-           }
+           /* and find each token which the rule finds acceptable
+              to come next */
+           for (j = 0; j < ntokens; j++)
+             /* and record this rule as the rule to use if that
+                token follows.  */
+             if (BITISSET (LA (i), j))
+               actrow[j] = -LAruleno[i];

        }
     }
 
        }
     }
 

-  shiftp = shift_table[state];
-

   /* Now see which tokens are allowed for shifts in this state.  For
      them, record the shift as the thing to do.  So shift is preferred
      to reduce.  */
   /* Now see which tokens are allowed for shifts in this state.  For
      them, record the shift as the thing to do.  So shift is preferred
      to reduce.  */

-
-  if (shiftp)
+  shiftp = state_table[state]->shifts;
+  for (i = 0; i < shiftp->nshifts; i++)

     {
     {

-      k = shiftp->nshifts;
+      shift_state = shiftp->shifts[i];
+      if (!shift_state)
+       continue;

 
 

-      for (i = 0; i < k; i++)
-       {
-         shift_state = shiftp->shifts[i];
-         if (!shift_state)
-           continue;
+      symbol = state_table[shift_state]->accessing_symbol;

 
 

-         symbol = accessing_symbol[shift_state];
+      if (ISVAR (symbol))
+       break;

 
 

-         if (ISVAR (symbol))
-           break;
+      actrow[symbol] = shift_state;

 
 

-         actrow[symbol] = shift_state;
-
-         /* Do not use any default reduction if there is a shift for
-            error */
-         if (symbol == error_token_number)
-           nodefault = 1;
-       }
+      /* Do not use any default reduction if there is a shift for
+        error */
+      if (symbol == error_token_number)
+       nodefault = 1;

     }
 
     }
 

-  errp = err_table[state];
-

   /* See which tokens are an explicit error in this state (due to
      %nonassoc).  For them, record MINSHORT as the action.  */
   /* See which tokens are an explicit error in this state (due to
      %nonassoc).  For them, record MINSHORT as the action.  */

+  errp = state_table[state]->errs;

 
   if (errp)
     {
 
   if (errp)
     {


@@ -424,14 +412,14 @@ action_row (int state)
 
   if (nreds >= 1 && !nodefault)
     {
 
   if (nreds >= 1 && !nodefault)
     {

-      if (consistent[state])
+      if (state_table[state]->consistent)

        default_rule = redp->rules[0];
       else
        {
        default_rule = redp->rules[0];
       else
        {

-         max = 0;
+         int max = 0;

          for (i = m; i < n; i++)
            {
          for (i = m; i < n; i++)
            {

-             count = 0;
+             int count = 0;

              rule = -LAruleno[i];
 
              for (j = 0; j < ntokens; j++)
              rule = -LAruleno[i];
 
              for (j = 0; j < ntokens; j++)


@@ -534,46 +522,51 @@ token_actions (void)
       save_row (i);
     }
 
       save_row (i);
     }
 

-  output_table_data (&output_obstack, yydefact, 
+  output_table_data (&output_obstack, yydefact,

                     yydefact[0], 1, nstates);
   muscle_insert ("defact", obstack_finish (&output_obstack));
                     yydefact[0], 1, nstates);
   muscle_insert ("defact", obstack_finish (&output_obstack));

-  
+

   XFREE (actrow);
   XFREE (yydefact);
 }
 
 
   XFREE (actrow);
   XFREE (yydefact);
 }
 
 

-static void
-free_shifts (void)
-{
-  shifts *sp, *sptmp;  /* JF derefrenced freed ptr */
-
-  XFREE (shift_table);
-
-  for (sp = first_shift; sp; sp = sptmp)
-    {
-      sptmp = sp->next;
-      XFREE (sp);
-    }
-}
-
+/*-----------------------------.
+| Output the actions to OOUT.  |
+`-----------------------------*/

 
 static void
 
 static void

-free_reductions (void)
+actions_output (FILE *out, size_t *line)

 {
 {

-  reductions *rp, *rptmp;      /* JF fixed freed ptr */
-
-  XFREE (reduction_table);
-
-  for (rp = first_reduction; rp; rp = rptmp)
-    {
-      rptmp = rp->next;
-      XFREE (rp);
-    }
+  int rule;
+  for (rule = 1; rule < nrules + 1; ++rule)
+    if (rule_table[rule].action)
+      {
+       fprintf (out, "  case %d:\n", rule);
+
+       if (!no_lines_flag)
+         fprintf (out, muscle_find ("linef"),
+                  rule_table[rule].action_line,
+                  quotearg_style (c_quoting_style,
+                                  muscle_find ("filename")));
+       /* As a Bison extension, add the ending semicolon.  Since some
+          Yacc don't do that, help people using bison as a Yacc
+          finding their missing semicolons.  */
+       fprintf (out, "{ %s%s }\n    break;\n\n",
+                rule_table[rule].action,
+                yacc_flag ? ";" : "");
+
+       /* We always output 4 '\n' per action.  */
+       *line += 4;
+       /* Plus one if !no_lines_flag.  */
+       if (!no_lines_flag)
+         ++*line;
+       /* Get the number of lines written by the user.  */
+       *line += get_lines_number (rule_table[rule].action);
+      }

 }
 
 
 }
 
 

-

 static void
 save_column (int symbol, int default_state)
 {
 static void
 save_column (int symbol, int default_state)
 {


@@ -675,7 +668,7 @@ goto_actions (void)
       yydefgoto[i - ntokens] = default_state;
     }
 
       yydefgoto[i - ntokens] = default_state;
     }
 

-  output_table_data (&output_obstack, yydefgoto, 
+  output_table_data (&output_obstack, yydefgoto,

                     yydefgoto[0], 1, nsyms - ntokens);
   muscle_insert ("defgoto", obstack_finish (&output_obstack));
 
                     yydefgoto[0], 1, nsyms - ntokens);
   muscle_insert ("defgoto", obstack_finish (&output_obstack));
 


@@ -821,8 +814,8 @@ pack_vector (int vector)
        }
     }
 
        }
     }
 

-  berror ("pack_vector");
-  return 0;                    /* JF keep lint happy */
+  assert (!"pack_vector");
+  return 0;

 }
 
 
 }
 
 


@@ -880,12 +873,12 @@ static void
 output_base (void)
 {
   /* Output pact. */
 output_base (void)
 {
   /* Output pact. */

-  output_table_data (&output_obstack, base, 
+  output_table_data (&output_obstack, base,

                     base[0], 1, nstates);
   muscle_insert ("pact", obstack_finish (&output_obstack));
 
   /* Output pgoto. */
                     base[0], 1, nstates);
   muscle_insert ("pact", obstack_finish (&output_obstack));
 
   /* Output pgoto. */

-  output_table_data (&output_obstack, base, 
+  output_table_data (&output_obstack, base,

                     base[nstates], nstates + 1, nvectors);
   muscle_insert ("pgoto", obstack_finish (&output_obstack));
 
                     base[nstates], nstates + 1, nvectors);
   muscle_insert ("pgoto", obstack_finish (&output_obstack));
 


@@ -896,7 +889,7 @@ output_base (void)
 static void
 output_table (void)
 {
 static void
 output_table (void)
 {

-  output_table_data (&output_obstack, table, 
+  output_table_data (&output_obstack, table,

                     table[0], 1, high + 1);
   muscle_insert ("table", obstack_finish (&output_obstack));
   XFREE (table);
                     table[0], 1, high + 1);
   muscle_insert ("table", obstack_finish (&output_obstack));
   XFREE (table);


@@ -906,7 +899,7 @@ output_table (void)
 static void
 output_check (void)
 {
 static void
 output_check (void)
 {

-  output_table_data (&output_obstack, check, 
+  output_table_data (&output_obstack, check,

                     check[0], 1, high + 1);
   muscle_insert ("check", obstack_finish (&output_obstack));
   XFREE (check);
                     check[0], 1, high + 1);
   muscle_insert ("check", obstack_finish (&output_obstack));
   XFREE (check);


@@ -918,6 +911,7 @@ output_check (void)
 static void
 output_actions (void)
 {
 static void
 output_actions (void)
 {

+  int i;

   nvectors = nstates + nvars;
 
   froms = XCALLOC (short *, nvectors);
   nvectors = nstates + nvars;
 
   froms = XCALLOC (short *, nvectors);


@@ -926,12 +920,8 @@ output_actions (void)
   width = XCALLOC (short, nvectors);
 
   token_actions ();
   width = XCALLOC (short, nvectors);
 
   token_actions ();

-  free_shifts ();
-  free_reductions ();
-  XFREE (lookaheads);

   XFREE (LA);
   XFREE (LAruleno);
   XFREE (LA);
   XFREE (LAruleno);

-  XFREE (accessing_symbol);

 
   goto_actions ();
   XFREE (goto_map + ntokens);
 
   goto_actions ();
   XFREE (goto_map + ntokens);


@@ -945,28 +935,31 @@ output_actions (void)
   output_table ();
 
   output_check ();
   output_table ();
 
   output_check ();

+
+  for (i = 0; i < nstates; ++i)
+    {
+      XFREE (state_table[i]->shifts);
+      XFREE (state_table[i]->reductions);
+      XFREE (state_table[i]->errs);
+      free (state_table[i]);
+    }
+  XFREE (state_table);

 }
 
 }
 

-/*------------------------------------------.
-| Copy the parser code into TABLE_OBSTACK.  |
-`------------------------------------------*/
+\f
+/*------------------------------------------------------------.
+| Copy the parser code from SKEL_FILENAME into OOUT obstack.  |
+| and do the muscle substitution.                             |
+`------------------------------------------------------------*/

 
 static void
 
 static void

-output_parser (void)
+output_parser (const char *skel_filename, FILE *out)

 {
   int c;
   FILE *fskel;
   size_t line;
 
 {
   int c;
   FILE *fskel;
   size_t line;
 

-  /* Loop over lines in the standard parser file.  */
-  if (!skeleton)
-    {
-      if (semantic_parser)
-       skeleton = skeleton_find ("BISON_HAIRY", BISON_HAIRY);
-      else
-       skeleton = skeleton_find ("BISON_SIMPLE", BISON_SIMPLE);
-    }
-  fskel = xfopen (skeleton, "r");
+  fskel = xfopen (skel_filename, "r");

 
   /* New output code.  */
   line = 1;
 
   /* New output code.  */
   line = 1;


@@ -977,7 +970,7 @@ output_parser (void)
        {
          if (c == '\n')
            ++line;
        {
          if (c == '\n')
            ++line;

-         obstack_1grow (&table_obstack, c);
+         putc (c, out);

          c = getc (fskel);
        }
       else if ((c = getc (fskel)) == '%')
          c = getc (fskel);
        }
       else if ((c = getc (fskel)) == '%')


@@ -985,51 +978,60 @@ output_parser (void)
          /* Read the muscle.  */
          const char *muscle_key = 0;
          const char *muscle_value = 0;
          /* Read the muscle.  */
          const char *muscle_key = 0;
          const char *muscle_value = 0;

-         while (isalnum (c = getc (fskel)) || c == '_')
+
+         while (isalnum (c = getc (fskel)) || c == '-')

            obstack_1grow (&muscle_obstack, c);
          obstack_1grow (&muscle_obstack, 0);
 
          /* Output the right value, or see if it's something special.  */
          muscle_key = obstack_finish (&muscle_obstack);
          muscle_value = muscle_find (muscle_key);
            obstack_1grow (&muscle_obstack, c);
          obstack_1grow (&muscle_obstack, 0);
 
          /* Output the right value, or see if it's something special.  */
          muscle_key = obstack_finish (&muscle_obstack);
          muscle_value = muscle_find (muscle_key);

-         if (muscle_value)
-           obstack_sgrow (&table_obstack, muscle_value);
+         if (!strcmp (muscle_key, "actions"))
+           actions_output (out, &line);

          else if (!strcmp (muscle_key, "line"))
          else if (!strcmp (muscle_key, "line"))

-           obstack_fgrow1 (&table_obstack, "%d", line + 1);
-         else if (!strcmp (muscle_key, "action"))
+           fprintf (out, "%d", line);
+         else if (muscle_value)

            {
            {

-             size_t size = obstack_object_size (&action_obstack);
-             obstack_grow (&table_obstack, 
-                           obstack_finish (&action_obstack), size);
-           }
+             fputs (muscle_value, out);
+             line += get_lines_number (muscle_value);
+           }     

          else
            {
          else
            {

-             obstack_sgrow (&table_obstack, "%%");
-             obstack_sgrow (&table_obstack, muscle_key);
+             fputs ("%%", out);
+             fputs (muscle_key, out);

            }
        }
       else
            }
        }
       else

-       obstack_1grow (&table_obstack, '%');
+       putc ('%', out);

     }
 
   /* End.  */
   xfclose (fskel);
 }
 
     }
 
   /* End.  */
   xfclose (fskel);
 }
 

+/*----------------------------------------.
+| Prepare the master parser to be output  |
+`----------------------------------------*/
+

 static void
 static void

-free_itemsets (void)
+output_master_parser (void)

 {
 {

-  core *cp, *cptmp;
-
-  XFREE (state_table);
-
-  for (cp = first_state; cp; cp = cptmp)
+  FILE *parser = xfopen (parser_file_name, "w");
+  if (!skeleton)

     {
     {

-      cptmp = cp->next;
-      XFREE (cp);
+      if (semantic_parser)
+       skeleton = skeleton_find ("BISON_HAIRY", BISON_HAIRY);
+      else
+       skeleton = skeleton_find ("BISON_SIMPLE", BISON_SIMPLE);

     }
     }

+  muscle_insert ("skeleton", skeleton);
+  muscle_insert ("parser-file-name", parser_file_name);
+
+  output_parser (skeleton, parser);
+  xfclose (parser);

 }
 
 }
 

+

 /* FIXME. */
 
 #define MUSCLE_INSERT_INT(Key, Value)                          \
 /* FIXME. */
 
 #define MUSCLE_INSERT_INT(Key, Value)                          \


@@ -1064,19 +1066,59 @@ prepare (void)
   MUSCLE_INSERT_INT ("final", final_state);
   MUSCLE_INSERT_INT ("maxtok", max_user_token_number);
   MUSCLE_INSERT_INT ("ntbase", ntokens);
   MUSCLE_INSERT_INT ("final", final_state);
   MUSCLE_INSERT_INT ("maxtok", max_user_token_number);
   MUSCLE_INSERT_INT ("ntbase", ntokens);

-  MUSCLE_INSERT_INT ("verbose", 0);
+  MUSCLE_INSERT_INT ("error-verbose", error_verbose);
+  MUSCLE_INSERT_STRING ("prefix", spec_name_prefix);

 
   MUSCLE_INSERT_INT ("nnts", nvars);
   MUSCLE_INSERT_INT ("nrules", nrules);
   MUSCLE_INSERT_INT ("nstates", nstates);
   MUSCLE_INSERT_INT ("ntokens", ntokens);
 
 
   MUSCLE_INSERT_INT ("nnts", nvars);
   MUSCLE_INSERT_INT ("nrules", nrules);
   MUSCLE_INSERT_INT ("nstates", nstates);
   MUSCLE_INSERT_INT ("ntokens", ntokens);
 

-  MUSCLE_INSERT_INT ("locations_flag", locations_flag);
+  MUSCLE_INSERT_INT ("locations-flag", locations_flag);
+}

 
 

-  if (spec_name_prefix)
-    MUSCLE_INSERT_STRING ("prefix", spec_name_prefix);
+
+/*-------------------------.
+| Output the header file.  |
+`-------------------------*/
+
+static void
+header_output (void)
+{
+  FILE *out = xfopen (spec_defines_file, "w");
+  char *macro_name = compute_header_macro ();
+
+  fprintf (out, "#ifndef %s\n", macro_name);
+  fprintf (out, "# define %s\n\n", macro_name);
+
+  fputs (muscle_find ("tokendef"), out);
+  fprintf (out, "\
+#ifndef YYSTYPE\n\
+typedef %s
+yystype;\n\
+# define YYSTYPE yystype\n\
+#endif\n",
+                   muscle_find ("stype"));
+
+  if (!pure_parser)
+    fprintf (out, "\nextern YYSTYPE %slval;\n",
+            spec_name_prefix);
+  if (semantic_parser)
+    {
+      int i;
+
+      for (i = ntokens; i < nsyms; i++)
+       /* don't make these for dummy nonterminals made by gensym.  */
+       if (*tags[i] != '@')
+         fprintf (out, "# define\tNT%s\t%d\n", tags[i], i);
+    }
+
+  fprintf (out, "\n#endif /* not %s */\n", macro_name);
+  free (macro_name);
+  xfclose (out);

 }
 
 }
 

+

 /*----------------------------------------------------------.
 | Output the parsing tables and the parser code to ftable.  |
 `----------------------------------------------------------*/
 /*----------------------------------------------------------.
 | Output the parsing tables and the parser code to ftable.  |
 `----------------------------------------------------------*/


@@ -1086,8 +1128,6 @@ output (void)
 {
   obstack_init (&output_obstack);
 
 {
   obstack_init (&output_obstack);
 

-  free_itemsets ();
-

   output_token_translations ();
   output_gram ();
 
   output_token_translations ();
   output_gram ();
 


@@ -1095,16 +1135,22 @@ output (void)
   if (semantic_parser)
     output_stos ();
   output_rule_data ();
   if (semantic_parser)
     output_stos ();
   output_rule_data ();

+  XFREE (user_toknums);

   output_actions ();
   output_actions ();

-  
-#if 0
-  if (!no_parser_flag) */
-#endif
+

   prepare ();
   /* Copy definitions in directive.  */
   prepare ();
   /* Copy definitions in directive.  */

+  obstack_1grow (&attrs_obstack, 0);

   muscle_insert ("prologue", obstack_finish (&attrs_obstack));
   muscle_insert ("prologue", obstack_finish (&attrs_obstack));

-  output_parser ();

 
 

+  /* Output the parser. */
+  output_master_parser ();
+  /* Output the header if needed. */
+  if (defines_flag)
+    header_output ();
+
+  free (rule_table + 1);

   obstack_free (&muscle_obstack, 0);
   obstack_free (&output_obstack, 0);
   obstack_free (&muscle_obstack, 0);
   obstack_free (&output_obstack, 0);

+  obstack_free (&action_obstack, 0);

 }
 }