* src/reader.c (parse_union_decl): Push the caracters in

[bison.git] / src / reader.c

diff --git a/src/reader.c b/src/reader.c
index 57101080ef406e107273cebbccaad37a336fe73e..9bf54dfbbb167dc6b01fde46b6a502184a7147b9 100644 (file)
--- a/src/reader.c
+++ b/src/reader.c
@@ -26,14 +26,15 @@
 #include "quote.h"
 #include "getargs.h"
 #include "files.h"
 #include "quote.h"
 #include "getargs.h"
 #include "files.h"

-#include "xalloc.h"

 #include "symtab.h"
 #include "symtab.h"

+#include "options.h"

 #include "lex.h"
 #include "gram.h"
 #include "complain.h"
 #include "output.h"
 #include "reader.h"
 #include "conflicts.h"
 #include "lex.h"
 #include "gram.h"
 #include "complain.h"
 #include "output.h"
 #include "reader.h"
 #include "conflicts.h"

+#include "muscle_tab.h"

 
 /* Number of slots allocated (but not necessarily used yet) in `rline'  */
 static int rline_allocated;
 
 /* Number of slots allocated (but not necessarily used yet) in `rline'  */
 static int rline_allocated;


@@ -156,11 +157,12 @@ get_type_name (int n, symbol_list * rule)
 `------------------------------------------------------------*/
 
 static inline void
 `------------------------------------------------------------*/
 
 static inline void

-copy_string (FILE *fin, struct obstack *oout, int match)
+copy_string2 (FILE *fin, struct obstack *oout, int match, int store)

 {
   int c;
 
 {
   int c;
 

-  obstack_1grow (oout, match);
+  if (store)
+    obstack_1grow (oout, match);

 
   c = getc (fin);
 
 
   c = getc (fin);
 


@@ -192,9 +194,30 @@ copy_string (FILE *fin, struct obstack *oout, int match)
       c = getc (fin);
     }
 
       c = getc (fin);
     }
 

-  obstack_1grow (oout, c);
+  if (store)
+    obstack_1grow (oout, c);
+}
+
+/* FIXME. */
+
+static inline void
+copy_string (FILE *fin, struct obstack *oout, int match)
+{
+  copy_string2 (fin, oout, match, 1);

 }
 
 }
 

+/* FIXME. */
+
+static inline void
+copy_identifier (FILE *fin, struct obstack *oout)
+{
+  int c;
+
+  while (isalnum (c = getc (fin)) || c == '_')
+    obstack_1grow (oout, c);
+
+  ungetc (c, fin);
+}

 
 /*-----------------------------------------------------------------.
 | Dump the wannabee comment from IN to OUT1 and OUT2 (which can be |
 
 /*-----------------------------------------------------------------.
 | Dump the wannabee comment from IN to OUT1 and OUT2 (which can be |


@@ -403,9 +426,14 @@ copy_definition (void)
   /* -1 while reading a character if prev char was %. */
   int after_percent;
 
   /* -1 while reading a character if prev char was %. */
   int after_percent;
 

+#if 0

   if (!no_lines_flag)
   if (!no_lines_flag)

-    obstack_fgrow2 (&attrs_obstack, "#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
+    {
+      obstack_fgrow2 (&attrs_obstack, muscle_find ("linef"),
+                     lineno, quotearg_style (c_quoting_style,
+                                             muscle_find("filename")));
+    }
+#endif

 
   after_percent = 0;
 
 
   after_percent = 0;
 


@@ -462,8 +490,8 @@ copy_definition (void)
 static void
 parse_token_decl (symbol_class what_is, symbol_class what_is_not)
 {
 static void
 parse_token_decl (symbol_class what_is, symbol_class what_is_not)
 {

-  token_t token = 0;
-  char *typename = 0;
+  token_t token = tok_undef;
+  char *typename = NULL;

 
   /* The symbol being defined.  */
   struct bucket *symbol = NULL;
 
   /* The symbol being defined.  */
   struct bucket *symbol = NULL;


@@ -512,7 +540,6 @@ parse_token_decl (symbol_class what_is, symbol_class what_is_not)
              /* symbol and symval combined are only one symbol */
              nsyms--;
            }
              /* symbol and symval combined are only one symbol */
              nsyms--;
            }

-         translations = 1;

          symbol = NULL;
        }
       else if (token == tok_identifier)
          symbol = NULL;
        }
       else if (token == tok_identifier)


@@ -537,7 +564,6 @@ parse_token_decl (symbol_class what_is, symbol_class what_is_not)
       else if (symbol && token == tok_number)
        {
          symbol->user_token_number = numval;
       else if (symbol && token == tok_number)
        {
          symbol->user_token_number = numval;

-         translations = 1;

        }
       else
        {
        }
       else
        {


@@ -679,7 +705,6 @@ parse_assoc_decl (associativity assoc)
          if (prev == tok_identifier)
            {
              symval->user_token_number = numval;
          if (prev == tok_identifier)
            {
              symval->user_token_number = numval;

-             translations = 1;

            }
          else
            {
            }
          else
            {


@@ -706,9 +731,9 @@ token_buffer);
 
 
 /*--------------------------------------------------------------.
 
 
 /*--------------------------------------------------------------.

-| Copy the union declaration into ATTRS_OBSTACK (and fdefines), |
-| where it is made into the definition of YYSTYPE, the type of  |
-| elements of the parser value stack.                           |
+| Copy the union declaration into the stype muscle             |
+| (and fdefines),  where it is made into the definition of     |
+| YYSTYPE, the type of elements of the parser value stack.     |

 `--------------------------------------------------------------*/
 
 static void
 `--------------------------------------------------------------*/
 
 static void


@@ -716,19 +741,20 @@ parse_union_decl (void)
 {
   int c;
   int count = 0;
 {
   int c;
   int count = 0;

+  struct obstack union_obstack;

 
   if (typed)
     complain (_("multiple %s declarations"), "%union");
 
   typed = 1;
 
 
   if (typed)
     complain (_("multiple %s declarations"), "%union");
 
   typed = 1;
 

-  if (!no_lines_flag)
-    obstack_fgrow2 (&attrs_obstack, "\n#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
-  else
+  /* FIXME: I'm worried: are you sure attrs_obstack is properly
+     filled?  */
+  if (no_lines_flag)

     obstack_1grow (&attrs_obstack, '\n');
 
     obstack_1grow (&attrs_obstack, '\n');
 

-  obstack_sgrow (&attrs_obstack, "typedef union");
+  obstack_init (&union_obstack);
+  obstack_sgrow (&union_obstack, "union");

   if (defines_flag)
     obstack_sgrow (&defines_obstack, "typedef union");
 
   if (defines_flag)
     obstack_sgrow (&defines_obstack, "typedef union");
 


@@ -736,9 +762,13 @@ parse_union_decl (void)
 
   while (c != EOF)
     {
 
   while (c != EOF)
     {

-      obstack_1grow (&attrs_obstack, c);
-      if (defines_flag)
-       obstack_1grow (&defines_obstack, c);
+      /* If C contains '/', it is output by copy_comment ().  */
+      if (c != '/')
+       {
+         obstack_1grow (&union_obstack, c);
+         if (defines_flag)
+           obstack_1grow (&defines_obstack, c);
+       }

 
       switch (c)
        {
 
       switch (c)
        {


@@ -747,7 +777,7 @@ parse_union_decl (void)
          break;
 
        case '/':
          break;
 
        case '/':

-         copy_comment2 (finput, &defines_obstack, &attrs_obstack);
+         copy_comment2 (finput, &defines_obstack, &union_obstack);

          break;
 
        case '{':
          break;
 
        case '{':


@@ -760,19 +790,21 @@ parse_union_decl (void)
          count--;
          if (count <= 0)
            {
          count--;
          if (count <= 0)
            {

-             obstack_sgrow (&attrs_obstack, " YYSTYPE;\n");

              if (defines_flag)
                obstack_sgrow (&defines_obstack, " YYSTYPE;\n");
              /* JF don't choke on trailing semi */
              c = skip_white_space ();
              if (c != ';')
                ungetc (c, finput);
              if (defines_flag)
                obstack_sgrow (&defines_obstack, " YYSTYPE;\n");
              /* JF don't choke on trailing semi */
              c = skip_white_space ();
              if (c != ';')
                ungetc (c, finput);

+             obstack_1grow (&union_obstack, 0);
+             muscle_insert ("stype", obstack_finish (&union_obstack));

              return;
            }
        }
 
       c = getc (finput);
     }
              return;
            }
        }
 
       c = getc (finput);
     }

+

 }
 
 
 }
 
 


@@ -822,7 +854,6 @@ parse_thong_decl (void)
   char *typename = 0;
   int usrtoknum;
 
   char *typename = 0;
   int usrtoknum;
 

-  translations = 1;

   token = lex ();              /* fetch typename or first token */
   if (token == tok_typename)
     {
   token = lex ();              /* fetch typename or first token */
   if (token == tok_typename)
     {


@@ -874,34 +905,55 @@ parse_thong_decl (void)
   nsyms--;
 }
 
   nsyms--;
 }
 

-/*------------------------------------------.
-| Parse what comes after %header_extension. |
-`------------------------------------------*/
-

 static void
 static void

-parse_header_extension_decl (void)
+parse_muscle_decl (void)

 {
 {

-  char buff[32];
+  int ch = ungetc (skip_white_space (), finput);
+  char* muscle_key;
+  char* muscle_value;
+
+  /* Read key. */
+  if (!isalpha (ch) && ch != '_')
+    {
+      complain (_("invalid %s declaration"), "%define");
+      skip_to_char ('%');
+      return;
+    }
+  copy_identifier (finput, &muscle_obstack);
+  obstack_1grow (&muscle_obstack, 0);
+  muscle_key = obstack_finish (&muscle_obstack);
+
+  /* Read value. */
+  ch = skip_white_space ();
+  if (ch != '"')
+    {
+      ungetc (ch, finput);
+      if (ch != EOF)
+       {
+         complain (_("invalid %s declaration"), "%define");
+         skip_to_char ('%');
+         return;
+       }
+      else
+       fatal (_("Premature EOF after %s"), "\"");
+    }
+  copy_string2 (finput, &muscle_obstack, '"', 0);
+  obstack_1grow (&muscle_obstack, 0);
+  muscle_value = obstack_finish (&muscle_obstack);

 
 

-  if (header_extension)
-    complain (_("multiple %%header_extension declarations"));
-  fscanf (finput, "%s", buff);
-  header_extension = xstrdup (buff);
+  /* Store the (key, value) pair in the environment. */
+  muscle_insert (muscle_key, muscle_value);

 }
 
 }
 

-/*------------------------------------------.
-| Parse what comes after %source_extension. |
-`------------------------------------------*/

 
 

-static void
-parse_source_extension_decl (void)
-{
-  char buff[32];
+/*----------------------------------.
+| Parse what comes after %skeleton. |
+`----------------------------------*/

 
 

-  if (src_extension)
-    complain (_("multiple %%source_extension declarations"));
-  fscanf (finput, "%s", buff);
-  src_extension = xstrdup (buff);
+void
+parse_skel_decl (void)
+{
+  /* Complete with parse_dquoted_param () on the CVS branch 1.29.  */

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


@@ -973,11 +1025,12 @@ read_declarations (void)
              parse_assoc_decl (non_assoc);
              break;
 
              parse_assoc_decl (non_assoc);
              break;
 

-           case tok_hdrext:
+           case tok_define:
+             parse_muscle_decl ();

              break;
 
              break;
 

-           case tok_srcext:
-             parse_source_extension_decl();
+           case tok_skel:
+             parse_skel_decl ();

              break;
 
            case tok_noop:
              break;
 
            case tok_noop:


@@ -1018,14 +1071,13 @@ copy_action (symbol_list *rule, int stack_offset)
   if (semantic_parser)
     stack_offset = 0;
 
   if (semantic_parser)
     stack_offset = 0;
 

-  sprintf (buf, "\ncase %d:\n", nrules);
-  obstack_grow (&action_obstack, buf, strlen (buf));
+  obstack_fgrow1 (&action_obstack, "\ncase %d:\n", nrules);

 
   if (!no_lines_flag)
     {
 
   if (!no_lines_flag)
     {

-      sprintf (buf, "#line %d %s\n",
-              lineno, quotearg_style (c_quoting_style, infile));
-      obstack_grow (&action_obstack, buf, strlen (buf));
+      obstack_fgrow2 (&action_obstack, muscle_find ("linef"),
+                     lineno, quotearg_style (c_quoting_style,
+                                             muscle_find ("filename")));

     }
   obstack_1grow (&action_obstack, '{');
 
     }
   obstack_1grow (&action_obstack, '{');
 


@@ -1111,8 +1163,9 @@ copy_guard (symbol_list *rule, int stack_offset)
 
   obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
   if (!no_lines_flag)
 
   obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
   if (!no_lines_flag)

-    obstack_fgrow2 (&guard_obstack, "#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
+    obstack_fgrow2 (&guard_obstack, muscle_find ("linef"),
+                   lineno, quotearg_style (c_quoting_style,
+                                           muscle_find ("filename")));

   obstack_1grow (&guard_obstack, '{');
 
   count = 0;
   obstack_1grow (&guard_obstack, '{');
 
   count = 0;


@@ -1563,22 +1616,6 @@ readgram (void)
   if (nrules == 0)
     fatal (_("no rules in the input grammar"));
 
   if (nrules == 0)
     fatal (_("no rules in the input grammar"));
 

-  /* JF put out same default YYSTYPE as YACC does */
-  if (typed == 0
-      && !value_components_used)
-    {
-      /* We used to use `unsigned long' as YYSTYPE on MSDOS,
-         but it seems better to be consistent.
-         Most programs should declare their own type anyway.  */
-      obstack_sgrow (&attrs_obstack,
-                          "#ifndef YYSTYPE\n#define YYSTYPE int\n#endif\n");
-      if (defines_flag)
-       obstack_sgrow (&defines_obstack, "\
-#ifndef YYSTYPE\n\
-# define YYSTYPE int\n\
-#endif\n");
-    }
-

   /* Report any undefined symbols and consider them nonterminals.  */
 
   for (bp = firstsymbol; bp; bp = bp->next)
   /* Report any undefined symbols and consider them nonterminals.  */
 
   for (bp = firstsymbol; bp; bp = bp->next)


@@ -1593,6 +1630,25 @@ readgram (void)
 
   ntokens = nsyms - nvars;
 }
 
   ntokens = nsyms - nvars;
 }

+
+/* At the end of the grammar file, some C source code must
+   be stored. It is going to be associated to the epilogue
+   directive.  */
+static void
+read_additionnal_code (void)
+{
+  char c;
+  struct obstack el_obstack;
+
+  obstack_init (&el_obstack);
+
+  while ((c = getc (finput)) != EOF)
+    obstack_1grow (&el_obstack, c);
+
+  obstack_1grow (&el_obstack, 0);
+  muscle_insert ("epilogue", obstack_finish (&el_obstack));
+}
+

 \f
 /*--------------------------------------------------------------.
 | For named tokens, but not literal ones, define the name.  The |
 \f
 /*--------------------------------------------------------------.
 | For named tokens, but not literal ones, define the name.  The |


@@ -1633,14 +1689,13 @@ output_token_defines (struct obstack *oout)
       if (c != '\0')
        continue;
 
       if (c != '\0')
        continue;
 

-      obstack_fgrow2 (oout, "#define\t%s\t%d\n",
-                     symbol,
-                     (translations ? bp->user_token_number : bp->value));
+      obstack_fgrow2 (oout, "# define\t%s\t%d\n",
+                     symbol, bp->user_token_number);

       if (semantic_parser)
       if (semantic_parser)

-       obstack_fgrow2 (oout, "#define\tT%s\t%d\n", symbol, bp->value);
+       /* FIXME: This is certainly dead wrong, and should be just as
+          above. --akim.  */
+       obstack_fgrow2 (oout, "# define\tT%s\t%d\n", symbol, bp->value);

     }
     }

-
-  obstack_1grow (oout, '\n');

 }
 
 
 }
 
 


@@ -1653,14 +1708,12 @@ output_token_defines (struct obstack *oout)
 static void
 packsymbols (void)
 {
 static void
 packsymbols (void)
 {

-  bucket *bp;
+  bucket *bp = NULL;

   int tokno = 1;
   int tokno = 1;

-  int i;
+  int i, j;

   int last_user_token_number;
   static char DOLLAR[] = "$";
 
   int last_user_token_number;
   static char DOLLAR[] = "$";
 

-  /* int lossage = 0; JF set but not used */
-

   tags = XCALLOC (char *, nsyms + 1);
   tags[0] = DOLLAR;
   user_toknums = XCALLOC (short, nsyms + 1);
   tags = XCALLOC (char *, nsyms + 1);
   tags[0] = DOLLAR;
   user_toknums = XCALLOC (short, nsyms + 1);


@@ -1721,7 +1774,7 @@ packsymbols (void)
 
       if (bp->class == token_sym)
        {
 
       if (bp->class == token_sym)
        {

-         if (translations && !(bp->user_token_number))
+         if (!bp->user_token_number)

            bp->user_token_number = ++last_user_token_number;
          if (bp->user_token_number > max_user_token_number)
            max_user_token_number = bp->user_token_number;
            bp->user_token_number = ++last_user_token_number;
          if (bp->user_token_number > max_user_token_number)
            max_user_token_number = bp->user_token_number;


@@ -1731,39 +1784,44 @@ packsymbols (void)
       user_toknums[bp->value] = bp->user_token_number;
       sprec[bp->value] = bp->prec;
       sassoc[bp->value] = bp->assoc;
       user_toknums[bp->value] = bp->user_token_number;
       sprec[bp->value] = bp->prec;
       sassoc[bp->value] = bp->assoc;

-

     }
 
     }
 

-  if (translations)
-    {
-      int j;
-
-      token_translations = XCALLOC (short, max_user_token_number + 1);
+  token_translations = XCALLOC (short, max_user_token_number + 1);

 
 

-      /* initialize all entries for literal tokens to 2, the internal
-         token number for $undefined., which represents all invalid
-         inputs.  */
-      for (j = 0; j <= max_user_token_number; j++)
-       token_translations[j] = 2;
+  /* initialize all entries for literal tokens to 2, the internal
+     token number for $undefined., which represents all invalid
+     inputs.  */
+  for (j = 0; j <= max_user_token_number; j++)
+    token_translations[j] = 2;

 
 

-      for (bp = firstsymbol; bp; bp = bp->next)
-       {
-         if (bp->value >= ntokens)
-           continue;           /* non-terminal */
-         if (bp->user_token_number == SALIAS)
-           continue;
-         if (token_translations[bp->user_token_number] != 2)
-           complain (_("tokens %s and %s both assigned number %d"),
-                     tags[token_translations[bp->user_token_number]],
-                     bp->tag, bp->user_token_number);
-         token_translations[bp->user_token_number] = bp->value;
-       }
+  for (bp = firstsymbol; bp; bp = bp->next)
+    {
+      if (bp->value >= ntokens)
+       continue;               /* non-terminal */
+      if (bp->user_token_number == SALIAS)
+       continue;
+      if (token_translations[bp->user_token_number] != 2)
+       complain (_("tokens %s and %s both assigned number %d"),
+                 tags[token_translations[bp->user_token_number]],
+                 bp->tag, bp->user_token_number);
+      token_translations[bp->user_token_number] = bp->value;

     }
 
   error_token_number = errtoken->value;
 
     }
 
   error_token_number = errtoken->value;
 

+  {
+    struct obstack tokendefs;
+    obstack_init (&tokendefs);
+    output_token_defines (&tokendefs);
+    obstack_1grow (&tokendefs, 0);
+    muscle_insert ("tokendef", xstrdup (obstack_finish (&tokendefs)));
+    obstack_free (&tokendefs, NULL);
+  }
+
+#if 0

   if (!no_parser_flag)
     output_token_defines (&table_obstack);
   if (!no_parser_flag)
     output_token_defines (&table_obstack);

+#endif

 
   if (startval->class == unknown_sym)
     fatal (_("the start symbol %s is undefined"), startval->tag);
 
   if (startval->class == unknown_sym)
     fatal (_("the start symbol %s is undefined"), startval->tag);


@@ -1792,7 +1850,7 @@ packsymbols (void)
            /* don't make these for dummy nonterminals made by gensym.  */
            if (*tags[i] != '@')
               obstack_fgrow2 (&defines_obstack,
            /* don't make these for dummy nonterminals made by gensym.  */
            if (*tags[i] != '@')
               obstack_fgrow2 (&defines_obstack,

-                              "#define\tNT%s\t%d\n", tags[i], i);
+                              "# define\tNT%s\t%d\n", tags[i], i);

          }
 #if 0
       /* `fdefines' is now a temporary file, so we need to copy its
          }
 #if 0
       /* `fdefines' is now a temporary file, so we need to copy its


@@ -1883,15 +1941,6 @@ reader (void)
   start_flag = 0;
   startval = NULL;             /* start symbol not specified yet. */
 
   start_flag = 0;
   startval = NULL;             /* start symbol not specified yet. */
 

-#if 0
-  /* initially assume token number translation not needed.  */
-  translations = 0;
-#endif
-  /* Nowadays translations is always set to 1, since we give `error' a
-     user-token-number to satisfy the Posix demand for YYERRCODE==256.
-   */
-  translations = 1;
-

   nsyms = 1;
   nvars = 0;
   nrules = 0;
   nsyms = 1;
   nvars = 0;
   nrules = 0;


@@ -1907,15 +1956,20 @@ reader (void)
 
   grammar = NULL;
 
 
   grammar = NULL;
 

-  init_lex ();
+  lex_init ();

   lineno = 1;
 
   lineno = 1;
 

+  /* Initialize the muscle obstack.  */
+  obstack_init (&muscle_obstack);
+

   /* Initialize the symbol table.  */
   tabinit ();
   /* Initialize the symbol table.  */
   tabinit ();

+

   /* Construct the error token */
   errtoken = getsym ("error");
   errtoken->class = token_sym;
   errtoken->user_token_number = 256;   /* Value specified by POSIX.  */
   /* Construct the error token */
   errtoken = getsym ("error");
   errtoken->class = token_sym;
   errtoken->user_token_number = 256;   /* Value specified by POSIX.  */

+

   /* Construct a token that represents all undefined literal tokens.
      It is always token number 2.  */
   undeftoken = getsym ("$undefined.");
   /* Construct a token that represents all undefined literal tokens.
      It is always token number 2.  */
   undeftoken = getsym ("$undefined.");


@@ -1925,63 +1979,20 @@ reader (void)
   /* Read the declaration section.  Copy %{ ... %} groups to
      TABLE_OBSTACK and FDEFINES file.  Also notice any %token, %left,
      etc. found there.  */
   /* Read the declaration section.  Copy %{ ... %} groups to
      TABLE_OBSTACK and FDEFINES file.  Also notice any %token, %left,
      etc. found there.  */

-  obstack_1grow (&table_obstack, '\n');
-  obstack_fgrow3 (&table_obstack, "\
-/* %s, made from %s\n\
-   by GNU bison %s.  */\n\
-\n",
-                 no_parser_flag ? "Bison-generated parse tables" : "A Bison parser",
-                 infile, VERSION);
-
-  obstack_sgrow (&table_obstack,
-                      "#define YYBISON 1  /* Identify Bison output.  */\n\n");

   read_declarations ();
   read_declarations ();

-  /* Start writing the guard and action files, if they are needed.  */
-  output_headers ();

   /* Read in the grammar, build grammar in list form.  Write out
      guards and actions.  */
   readgram ();
   /* Read in the grammar, build grammar in list form.  Write out
      guards and actions.  */
   readgram ();

+  /* Some C code is given at the end of the grammar file. */
+  read_additionnal_code ();
+

   /* Now we know whether we need the line-number stack.  If we do,
   /* Now we know whether we need the line-number stack.  If we do,

-     write its type into the .tab.h file.  */
-  if (defines_flag)
-    reader_output_yylsp (&defines_obstack);
-  /* Write closing delimiters for actions and guards.  */
-  output_trailers ();
-  if (locations_flag)
-    obstack_sgrow (&table_obstack, "#define YYLSP_NEEDED 1\n\n");
+     write its type into the .tab.h file.
+     This is no longer need with header skeleton.  */
+

   /* Assign the symbols their symbol numbers.  Write #defines for the
      token symbols into FDEFINES if requested.  */
   packsymbols ();
   /* Convert the grammar into the format described in gram.h.  */
   packgram ();
   /* Assign the symbols their symbol numbers.  Write #defines for the
      token symbols into FDEFINES if requested.  */
   packsymbols ();
   /* Convert the grammar into the format described in gram.h.  */
   packgram ();

-  /* Free the symbol table data structure since symbols are now all
-     referred to by symbol number.  */
-  free_symtab ();
-}
-
-
-/*------------------------------------------------------------------.
-| Define YYLTYPE.  Cannot be in the skeleton since we might have to |
-| output it in the headers if --defines is used.                    |
-`------------------------------------------------------------------*/
-
-void
-reader_output_yylsp (struct obstack *oout)
-{
-  if (locations_flag)
-    obstack_sgrow (oout, "\
-\n\
-#ifndef YYLTYPE\n\
-typedef struct yyltype\n\
-{\n\
-  int first_line;\n\
-  int first_column;\n\
-\n\
-  int last_line;\n\
-  int last_column;\n\
-} yyltype;\n\
-\n\
-# define YYLTYPE yyltype\n\
-#endif\n\
-\n");

 }
 }