(state_number_as_int): Now inline functions rather than macros, to avoid casts.

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index c2e1d2ba7dee713f63e352e715c82fc9aa7bbe65..7a68751382c0b0294b31c373362c1d2fe528ab53 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -1,4 +1,5 @@
-/* Output the generated parsing program for bison,
+/* Output the generated parsing program for Bison.
+

    Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002
    Free Software Foundation, Inc.
 
    Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002
    Free Software Foundation, Inc.
 


@@ -21,18 +22,22 @@
 
 
 #include "system.h"
 
 
 #include "system.h"

-#include "quotearg.h"
-#include "error.h"
-#include "subpipe.h"
-#include "getargs.h"
+
+#include <error.h>
+#include <get-errno.h>
+#include <quotearg.h>
+#include <subpipe.h>
+#include <timevar.h>
+
+#include "complain.h"

 #include "files.h"
 #include "files.h"

+#include "getargs.h"

 #include "gram.h"
 #include "gram.h"

-#include "complain.h"
+#include "muscle_tab.h"

 #include "output.h"
 #include "reader.h"
 #include "symtab.h"
 #include "tables.h"
 #include "output.h"
 #include "reader.h"
 #include "symtab.h"
 #include "tables.h"

-#include "muscle_tab.h"

 
 /* From src/scan-skel.l. */
 void scan_skel (FILE *);
 
 /* From src/scan-skel.l. */
 void scan_skel (FILE *);


@@ -63,6 +68,8 @@ Name (const char *name,                                                       \
 {                                                                      \
   Type min = first;                                                    \
   Type max = first;                                                    \
 {                                                                      \
   Type min = first;                                                    \
   Type max = first;                                                    \

+  long int lmin;                                                       \
+  long int lmax;                                                       \

   int i;                                                               \
   int j = 1;                                                           \
                                                                        \
   int i;                                                               \
   int j = 1;                                                           \
                                                                        \


@@ -86,25 +93,49 @@ Name (const char *name,                                                     \
   obstack_1grow (&format_obstack, 0);                                  \
   muscle_insert (name, obstack_finish (&format_obstack));              \
                                                                        \
   obstack_1grow (&format_obstack, 0);                                  \
   muscle_insert (name, obstack_finish (&format_obstack));              \
                                                                        \

+  lmin = min;                                                          \
+  lmax = max;                                                          \

   /* Build `NAME_min' and `NAME_max' in the obstack. */                        \
   obstack_fgrow1 (&format_obstack, "%s_min", name);                    \
   obstack_1grow (&format_obstack, 0);                                  \
   /* Build `NAME_min' and `NAME_max' in the obstack. */                        \
   obstack_fgrow1 (&format_obstack, "%s_min", name);                    \
   obstack_1grow (&format_obstack, 0);                                  \

-  MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack),            \
-                         (long int) min);                              \
+  MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack), lmin);     \

   obstack_fgrow1 (&format_obstack, "%s_max", name);                    \
   obstack_1grow (&format_obstack, 0);                                  \
   obstack_fgrow1 (&format_obstack, "%s_max", name);                    \
   obstack_1grow (&format_obstack, 0);                                  \

-  MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack),            \
-                         (long int) max);                              \
+  MUSCLE_INSERT_LONG_INT (obstack_finish (&format_obstack), lmax);     \

 }
 
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_unsigned_int_table, unsigned int)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_int_table, int)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_short_table, short)
 }
 
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_unsigned_int_table, unsigned int)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_int_table, int)
 GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_short_table, short)

-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_t)
-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number_t)
-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number_t)
-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_item_number_table, item_number_t)
-GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number_t)
+GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_base_table, base_number)
+GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_rule_number_table, rule_number)
+GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_symbol_number_table, symbol_number)
+GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_item_number_table, item_number)
+GENERATE_MUSCLE_INSERT_TABLE(muscle_insert_state_number_table, state_number)
+
+
+/*----------------------------------------------------------------------.
+| Print to OUT a representation of FILENAME escaped both for C and M4.  |
+`----------------------------------------------------------------------*/
+
+static void
+escaped_file_name_output (FILE *out, char const *filename)
+{
+  char const *p;
+  fprintf (out, "[[");
+
+  for (p = quotearg_style (c_quoting_style, filename); *p; p++)
+    switch (*p)
+      {
+      case '$': fputs ("$][", out); break;
+      case '@': fputs ("@@",  out); break;
+      case '[': fputs ("@{",  out); break;
+      case ']': fputs ("@}",  out); break;
+      default: fputc (*p, out); break;
+      }
+
+  fprintf (out, "]]");
+}

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


@@ -138,24 +169,17 @@ prepare_symbols (void)
                            symbols[i]->tag);
        /* Width of the next token, including the two quotes, the comma
           and the space.  */
                            symbols[i]->tag);
        /* Width of the next token, including the two quotes, the comma
           and the space.  */

-       int strsize = strlen (cp) + 2;
+       int width = strlen (cp) + 2;

 
 

-       if (j + strsize > 75)
+       if (j + width > 75)

          {
            obstack_sgrow (&format_obstack, "\n  ");
            j = 2;
          }
 
          {
            obstack_sgrow (&format_obstack, "\n  ");
            j = 2;
          }
 

-       for (; *cp; cp++)
-         switch (*cp)
-           {
-           case '[': obstack_sgrow (&format_obstack, "@<:@"); break;
-           case ']': obstack_sgrow (&format_obstack, "@:>@"); break;
-           default: obstack_1grow (&format_obstack, *cp); break;
-           }
-
+       MUSCLE_OBSTACK_SGROW (&format_obstack, cp);

        obstack_sgrow (&format_obstack, ", ");
        obstack_sgrow (&format_obstack, ", ");

-       j += strsize;
+       j += width;

       }
     /* Add a NULL entry to list of tokens (well, 0, as NULL might not be
        defined).  */
       }
     /* Add a NULL entry to list of tokens (well, 0, as NULL might not be
        defined).  */


@@ -169,7 +193,7 @@ prepare_symbols (void)
   /* Output YYTOKNUM. */
   {
     int i;
   /* Output YYTOKNUM. */
   {
     int i;

-    int *values = XCALLOC (int, ntokens);
+    int *values = MALLOC (values, ntokens);

     for (i = 0; i < ntokens; ++i)
       values[i] = symbols[i]->user_token_number;
     muscle_insert_int_table ("toknum", values,
     for (i = 0; i < ntokens; ++i)
       values[i] = symbols[i]->user_token_number;
     muscle_insert_int_table ("toknum", values,


@@ -181,25 +205,25 @@ prepare_symbols (void)
 
 /*-------------------------------------------------------------.
 | Prepare the muscles related to the rules: rhs, prhs, r1, r2, |
 
 /*-------------------------------------------------------------.
 | Prepare the muscles related to the rules: rhs, prhs, r1, r2, |

-| rline, dprec, merger                                         |
+| rline, dprec, merger.                                        |

 `-------------------------------------------------------------*/
 
 static void
 prepare_rules (void)
 {
 `-------------------------------------------------------------*/
 
 static void
 prepare_rules (void)
 {

-  rule_number_t r;
+  rule_number r;

   unsigned int i = 0;
   unsigned int i = 0;

-  item_number_t *rhs = XMALLOC (item_number_t, nritems);
-  unsigned int *prhs = XMALLOC (unsigned int, nrules);
-  unsigned int *rline = XMALLOC (unsigned int, nrules);
-  symbol_number_t *r1 = XMALLOC (symbol_number_t, nrules);
-  unsigned int *r2 = XMALLOC (unsigned int, nrules);
-  short *dprec = XMALLOC (short, nrules);
-  short *merger = XMALLOC (short, nrules);
+  item_number *rhs = MALLOC (rhs, nritems);
+  unsigned int *prhs = MALLOC (prhs, nrules);
+  unsigned int *rline = MALLOC (rline, nrules);
+  symbol_number *r1 = MALLOC (r1, nrules);
+  unsigned int *r2 = MALLOC (r2, nrules);
+  short *dprec = MALLOC (dprec, nrules);
+  short *merger = MALLOC (merger, nrules);

 
   for (r = 0; r < nrules; ++r)
     {
 
   for (r = 0; r < nrules; ++r)
     {

-      item_number_t *rhsp = NULL;
+      item_number *rhsp = NULL;

       /* Index of rule R in RHS. */
       prhs[r] = i;
       /* RHS of the rule R. */
       /* Index of rule R in RHS. */
       prhs[r] = i;
       /* RHS of the rule R. */


@@ -212,13 +236,14 @@ prepare_rules (void)
       /* Separator in RHS. */
       rhs[i++] = -1;
       /* Line where rule was defined. */
       /* Separator in RHS. */
       rhs[i++] = -1;
       /* Line where rule was defined. */

-      rline[r] = rules[r].location.first_line;
-      /* Dynamic precedence (GLR) */
+      rline[r] = rules[r].location.start.line;
+      /* Dynamic precedence (GLR).  */

       dprec[r] = rules[r].dprec;
       dprec[r] = rules[r].dprec;

-      /* Merger-function index (GLR) */
+      /* Merger-function index (GLR).  */

       merger[r] = rules[r].merger;
     }
       merger[r] = rules[r].merger;
     }

-  assert (i == nritems);
+  if (i != nritems)
+    abort ();

 
   muscle_insert_item_number_table ("rhs", rhs, ritem[0], 1, nritems);
   muscle_insert_unsigned_int_table ("prhs", prhs, 0, 0, nrules);
 
   muscle_insert_item_number_table ("rhs", rhs, ritem[0], 1, nritems);
   muscle_insert_unsigned_int_table ("prhs", prhs, 0, 0, nrules);


@@ -246,13 +271,13 @@ prepare_rules (void)
 static void
 prepare_states (void)
 {
 static void
 prepare_states (void)
 {

-  state_number_t i;
-  symbol_number_t *values =
-    (symbol_number_t *) alloca (sizeof (symbol_number_t) * nstates);
+  state_number i;
+  symbol_number *values = MALLOC (values, nstates);

   for (i = 0; i < nstates; ++i)
     values[i] = states[i]->accessing_symbol;
   muscle_insert_symbol_number_table ("stos", values,
                                     0, 1, nstates);
   for (i = 0; i < nstates; ++i)
     values[i] = states[i]->accessing_symbol;
   muscle_insert_symbol_number_table ("stos", values,
                                     0, 1, nstates);

+  free (values);

 
   MUSCLE_INSERT_INT ("last", high);
   MUSCLE_INSERT_INT ("final_state_number", final_state->number);
 
   MUSCLE_INSERT_INT ("last", high);
   MUSCLE_INSERT_INT ("final_state_number", final_state->number);


@@ -268,7 +293,7 @@ prepare_states (void)
 static void
 user_actions_output (FILE *out)
 {
 static void
 user_actions_output (FILE *out)
 {

-  rule_number_t r;
+  rule_number r;

 
   fputs ("m4_define([b4_actions], \n[[", out);
   for (r = 0; r < nrules; ++r)
 
   fputs ("m4_define([b4_actions], \n[[", out);
   for (r = 0; r < nrules; ++r)


@@ -276,10 +301,10 @@ user_actions_output (FILE *out)
       {
        fprintf (out, "  case %d:\n", r + 1);
 
       {
        fprintf (out, "  case %d:\n", r + 1);
 

-       fprintf (out, "]b4_syncline([[%d]], [[%s]])[\n",
-                rules[r].action_location.first_line,
-                quotearg_style (escape_quoting_style,
-                                rules[r].action_location.file));
+       fprintf (out, "]b4_syncline([[%d]], ",
+                rules[r].action_location.start.line);
+       escaped_file_name_output (out, rules[r].action_location.start.file);
+       fprintf (out, ")[\n");

        fprintf (out, "    %s\n    break;\n\n",
                 rules[r].action);
       }
        fprintf (out, "    %s\n    break;\n\n",
                 rules[r].action);
       }


@@ -322,36 +347,37 @@ token_definitions_output (FILE *out)
   fputs ("m4_define([b4_tokens], \n[", out);
   for (i = 0; i < ntokens; ++i)
     {
   fputs ("m4_define([b4_tokens], \n[", out);
   for (i = 0; i < ntokens; ++i)
     {

-      symbol_t *symbol = symbols[i];
-      int number = symbol->user_token_number;
+      symbol *sym = symbols[i];
+      int number = sym->user_token_number;

 
       /* At this stage, if there are literal aliases, they are part of
         SYMBOLS, so we should not find symbols which are the aliases
         here.  */
 
       /* At this stage, if there are literal aliases, they are part of
         SYMBOLS, so we should not find symbols which are the aliases
         here.  */

-      assert (number != USER_NUMBER_ALIAS);
+      if (number == USER_NUMBER_ALIAS)
+       abort ();

 
       /* Skip error token.  */
 
       /* Skip error token.  */

-      if (symbol == errtoken)
+      if (sym == errtoken)

        continue;
 
       /* If this string has an alias, then it is necessarily the alias
         which is to be output.  */
        continue;
 
       /* If this string has an alias, then it is necessarily the alias
         which is to be output.  */

-      if (symbol->alias)
-       symbol = symbol->alias;
+      if (sym->alias)
+       sym = sym->alias;

 
       /* Don't output literal chars or strings (when defined only as a
         string).  Note that must be done after the alias resolution:
         think about `%token 'f' "f"'.  */
 
       /* Don't output literal chars or strings (when defined only as a
         string).  Note that must be done after the alias resolution:
         think about `%token 'f' "f"'.  */

-      if (symbol->tag[0] == '\'' || symbol->tag[0] == '\"')
+      if (sym->tag[0] == '\'' || sym->tag[0] == '\"')

        continue;
 
       /* Don't #define nonliteral tokens whose names contain periods
         or '$' (as does the default value of the EOF token).  */
        continue;
 
       /* Don't #define nonliteral tokens whose names contain periods
         or '$' (as does the default value of the EOF token).  */

-      if (strchr (symbol->tag, '.') || strchr (symbol->tag, '$'))
+      if (strchr (sym->tag, '.') || strchr (sym->tag, '$'))

        continue;
 
       fprintf (out, "%s[[[%s]], [%d]]",
        continue;
 
       fprintf (out, "%s[[[%s]], [%d]]",

-              first ? "" : ",\n", symbol->tag, number);
+              first ? "" : ",\n", sym->tag, number);

 
       first = 0;
     }
 
       first = 0;
     }


@@ -373,20 +399,20 @@ symbol_destructors_output (FILE *out)
   for (i = 0; i < nsyms; ++i)
     if (symbols[i]->destructor)
       {
   for (i = 0; i < nsyms; ++i)
     if (symbols[i]->destructor)
       {

-       symbol_t *symbol = symbols[i];
+       symbol *sym = symbols[i];

 
        /* Filename, lineno,
           Symbol-name, Symbol-number,
           destructor, typename. */
 
        /* Filename, lineno,
           Symbol-name, Symbol-number,
           destructor, typename. */

-       fprintf (out, "%s[[[%s]], [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]",
-                first ? "" : ",\n",
-                quotearg_style (escape_quoting_style,
-                                symbol->destructor_location.file),
-                symbol->destructor_location.first_line,
-                symbol->tag,
-                symbol->number,
-                symbol->destructor,
-                symbol->type_name);
+       fprintf (out, "%s[",
+                first ? "" : ",\n");
+       escaped_file_name_output (out, sym->destructor_location.start.file);
+       fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]",
+                sym->destructor_location.start.line,
+                sym->tag,
+                sym->number,
+                sym->destructor,
+                sym->type_name);

 
        first = 0;
       }
 
        first = 0;
       }


@@ -408,20 +434,20 @@ symbol_printers_output (FILE *out)
   for (i = 0; i < nsyms; ++i)
     if (symbols[i]->destructor)
       {
   for (i = 0; i < nsyms; ++i)
     if (symbols[i]->destructor)
       {

-       symbol_t *symbol = symbols[i];
+       symbol *sym = symbols[i];

 
        /* Filename, lineno,
           Symbol-name, Symbol-number,
           printer, typename. */
 
        /* Filename, lineno,
           Symbol-name, Symbol-number,
           printer, typename. */

-       fprintf (out, "%s[[[%s]], [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]",
-                first ? "" : ",\n",
-                quotearg_style (escape_quoting_style,
-                                symbol->printer_location.file),
-                symbol->printer_location.first_line,
-                symbol->tag,
-                symbol->number,
-                symbol->printer,
-                symbol->type_name);
+       fprintf (out, "%s[",
+                first ? "" : ",\n");
+       escaped_file_name_output (out, sym->printer_location.start.file);
+       fprintf (out, ", [[%d]], [[%s]], [[%d]], [[%s]], [[%s]]]",
+                sym->printer_location.start.line,
+                sym->tag,
+                sym->number,
+                sym->printer,
+                sym->type_name);

 
        first = 0;
       }
 
        first = 0;
       }


@@ -509,10 +535,7 @@ output_skeleton (void)
   strcpy (full_path, pkgdatadir);
   full_path[pkgdatadirlen] = '/';
   strcpy (full_path + pkgdatadirlen + 1, m4sugar);
   strcpy (full_path, pkgdatadir);
   full_path[pkgdatadirlen] = '/';
   strcpy (full_path + pkgdatadirlen + 1, m4sugar);

-  in = fopen (full_path, "r");
-  if (! in)
-    error (EXIT_FAILURE, errno, "%s", full_path);
-  xfclose (in);
+  xfclose (xfopen (full_path, "r"));

   strcpy (full_path + pkgdatadirlen + 1, skeleton);
 
   /* Create an m4 subprocess connected to us via two pipes.  */
   strcpy (full_path + pkgdatadirlen + 1, skeleton);
 
   /* Create an m4 subprocess connected to us via two pipes.  */


@@ -535,7 +558,7 @@ output_skeleton (void)
 
   out = fdopen (filter_fd[0], "w");
   if (! out)
 
   out = fdopen (filter_fd[0], "w");
   if (! out)

-    error (EXIT_FAILURE, errno, "fdopen");
+    error (EXIT_FAILURE, get_errno (), "fdopen");

 
   /* Output the definitions of all the muscles.  */
   fputs ("m4_init()\n", out);
 
   /* Output the definitions of all the muscles.  */
   fputs ("m4_init()\n", out);


@@ -556,7 +579,7 @@ output_skeleton (void)
   timevar_push (TV_M4);
   in = fdopen (filter_fd[1], "r");
   if (! in)
   timevar_push (TV_M4);
   in = fdopen (filter_fd[1], "r");
   if (! in)

-    error (EXIT_FAILURE, errno, "fdopen");
+    error (EXIT_FAILURE, get_errno (), "fdopen");

   scan_skel (in);
   xfclose (in);
   reap_subpipe (pid, m4);
   scan_skel (in);
   xfclose (in);
   reap_subpipe (pid, m4);


@@ -574,13 +597,8 @@ prepare (void)
   MUSCLE_INSERT_INT ("pure", pure_parser);
   MUSCLE_INSERT_INT ("synclines_flag", !no_lines_flag);
 
   MUSCLE_INSERT_INT ("pure", pure_parser);
   MUSCLE_INSERT_INT ("synclines_flag", !no_lines_flag);
 

-  /* FIXME: This is wrong: the muscles should decide whether they hold
-     a copy or not, but the situation is too obscure currently.  */
+  /* File names.  */

   MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy");
   MUSCLE_INSERT_STRING ("prefix", spec_name_prefix ? spec_name_prefix : "yy");

-  MUSCLE_INSERT_STRING ("output_infix", output_infix ? output_infix : "");
-  MUSCLE_INSERT_STRING ("output_prefix", short_base_name);
-  MUSCLE_INSERT_STRING ("output_parser_name", parser_file_name);
-  MUSCLE_INSERT_STRING ("output_header_name", spec_defines_file);

 
   /* User Code.  */
   obstack_1grow (&pre_prologue_obstack, 0);
 
   /* User Code.  */
   obstack_1grow (&pre_prologue_obstack, 0);


@@ -598,7 +616,7 @@ prepare (void)
     }
 
   /* Parse the skeleton file and output the needed parsers.  */
     }
 
   /* Parse the skeleton file and output the needed parsers.  */

-  MUSCLE_INSERT_STRING ("skeleton", skeleton);
+  MUSCLE_INSERT_C_STRING ("skeleton", skeleton);

 }
 
 
 }