maint: catch missing gnulib macros.

[bison.git] / src / scan-skel.l

diff --git a/src/scan-skel.l b/src/scan-skel.l
index aab570c604c12355f2f3dd7e135fbe9e5621a12b..5fd9b20d422e0951b7723db54acd512e2fe745f5 100644 (file)
--- a/src/scan-skel.l
+++ b/src/scan-skel.l
@@ -1,26 +1,23 @@
 /* Scan Bison Skeletons.                                       -*- C -*-
 
 /* Scan Bison Skeletons.                                       -*- C -*-
 

-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
-   Foundation, Inc.
+   Copyright (C) 2001-2007, 2009-2012 Free Software Foundation, Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    This file is part of Bison, the GNU Compiler Compiler.
 

-   Bison is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.

 
 

-   Bison is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.

 
    You should have received a copy of the GNU General Public License
 
    You should have received a copy of the GNU General Public License

-   along with Bison; see the file COPYING.  If not, write to the Free
-   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 

-%option nodefault noyywrap nounput never-interactive debug
+%option nodefault noyywrap noinput nounput never-interactive debug

 %option prefix="skel_" outfile="lex.yy.c"
 
 %{
 %option prefix="skel_" outfile="lex.yy.c"
 
 %{


@@ -47,51 +44,51 @@ YY_DECL;
 #define QPUTS(String) \
    fputs (quotearg_style (c_quoting_style, String), yyout)
 
 #define QPUTS(String) \
    fputs (quotearg_style (c_quoting_style, String), yyout)
 

-static void at_directive_perform (char **outnamep, int *out_linenop);
-static void fail_for_at_directive_too_many_args (void);
-static void fail_for_at_directive_too_few_args (void);
+static void at_directive_perform (int at_directive_argc,
+                                  char *at_directive_argv[],
+                                  char **outnamep, int *out_linenop);
+static void fail_for_at_directive_too_many_args (char const *at_directive_name);
+static void fail_for_at_directive_too_few_args (char const *at_directive_name);

 static void fail_for_invalid_at (char const *at);
 static void fail_for_invalid_at (char const *at);

-
-/* In SC_AT_DIRECTIVE_ARG context, the name of the directive.  */
-static char *at_directive_name = NULL;
-
-/* Currently, only the @warn, @complain, @fatal, @warn_at, @complain_at, and
-   @fatal_at directives take multiple arguments, and the last three already
-   can't take more than 7.  */
-#define AT_DIRECTIVE_ARGC_MAX 7
-static int at_directive_argc = 0;
-static char *at_directive_argv[AT_DIRECTIVE_ARGC_MAX];

 %}
 
 %}
 

-%x SC_AT_GETTEXT_ARG

 %x SC_AT_DIRECTIVE_ARGS
 %x SC_AT_DIRECTIVE_SKIP_WS
 
 %%
 
 %{
 %x SC_AT_DIRECTIVE_ARGS
 %x SC_AT_DIRECTIVE_SKIP_WS
 
 %%
 
 %{

-  int out_lineno IF_LINT (= 0);
+  int out_lineno PACIFY_CC (= 0);

   char *outname = NULL;
   char *outname = NULL;

+
+  /* Currently, only the @warn, @complain, @fatal, @warn_at, @complain_at, and
+     @fatal_at directives take multiple arguments, and the last three already
+     can't take more than 7.  at_directive_argv[0] is the directive name.  */
+  #define AT_DIRECTIVE_ARGC_MAX 8
+  int at_directive_argc = 0;
+  char *at_directive_argv[AT_DIRECTIVE_ARGC_MAX];

 %}
 
 %}
 

-"@@"      fputc ('@', yyout);
-"@{"      fputc ('[', yyout);
-"@}"      fputc (']', yyout);
+"@@" fputc ('@', yyout);
+"@{" fputc ('[', yyout);
+"@}" fputc (']', yyout);
+"@`" /* Empty.  Used by b4_cat in ../data/bison.m4.  */
+@\n  /* Likewise.  */

 
 "@oline@"  fprintf (yyout, "%d", out_lineno + 1);
 "@ofile@"  QPUTS (outname);
 "@dir_prefix@" QPUTS (dir_prefix);
 
 
 "@oline@"  fprintf (yyout, "%d", out_lineno + 1);
 "@ofile@"  QPUTS (outname);
 "@dir_prefix@" QPUTS (dir_prefix);
 

-"@gettext<" BEGIN SC_AT_GETTEXT_ARG;
-

 @[a-z_]+"(" {
   yytext[yyleng-1] = '\0';
 @[a-z_]+"(" {
   yytext[yyleng-1] = '\0';

-  at_directive_name = xstrdup (yytext);
+  obstack_grow (&obstack_for_string, yytext, yyleng);
+  at_directive_argv[at_directive_argc++] =
+    obstack_finish (&obstack_for_string);

   BEGIN SC_AT_DIRECTIVE_ARGS;
 }
 
   /* This pattern must not match more than the previous @ patterns. */
   BEGIN SC_AT_DIRECTIVE_ARGS;
 }
 
   /* This pattern must not match more than the previous @ patterns. */

-@[^<@{}(\n]* fail_for_invalid_at (yytext);
+@[^@{}`(\n]* fail_for_invalid_at (yytext);

 \n        out_lineno++; ECHO;
 [^@\n]+           ECHO;
 
 \n        out_lineno++; ECHO;
 [^@\n]+           ECHO;
 


@@ -104,51 +101,19 @@ static char *at_directive_argv[AT_DIRECTIVE_ARGC_MAX];
   return EOF;
 }
 
   return EOF;
 }
 

-<SC_AT_GETTEXT_ARG>{
-  "@>" {
-    char *arg;
-    obstack_1grow (&obstack_for_string, '\0');
-    arg = obstack_finish (&obstack_for_string);
-    if (!at_directive_name)
-      {
-        fprintf (yyout, "%s", _(arg));
-        obstack_free (&obstack_for_string, arg);
-        BEGIN INITIAL;
-      }
-    else
-      {
-        char const *translated = _(arg);
-        size_t parent_size = strlen (at_directive_argv[at_directive_argc]);
-        size_t translated_size = strlen (translated);
-        char *copy = xmalloc (parent_size + translated_size + 1);
-        strcpy (copy, at_directive_argv[at_directive_argc]);
-        strcpy (copy + parent_size, translated);
-        obstack_free (&obstack_for_string,
-                      at_directive_argv[at_directive_argc]);
-        obstack_grow (&obstack_for_string, copy,
-                      parent_size + translated_size);
-        free (copy);
-        BEGIN SC_AT_DIRECTIVE_ARGS;
-      }
-  }
-}
-

 <SC_AT_DIRECTIVE_ARGS>{
 <SC_AT_DIRECTIVE_ARGS>{

-  "@`" /* Emtpy.  Useful for starting an argument
-          that begins with whitespace. */
+  [^@]+ { STRING_GROW; }

 
 

-  "@gettext<" {
-    if (at_directive_argc >= AT_DIRECTIVE_ARGC_MAX)
-      fail_for_at_directive_too_many_args ();
-    obstack_1grow (&obstack_for_string, '\0');
-    at_directive_argv[at_directive_argc] =
-      obstack_finish (&obstack_for_string);
-    BEGIN SC_AT_GETTEXT_ARG;
-  }
+  "@@" { obstack_1grow (&obstack_for_string, '@'); }
+  "@{" { obstack_1grow (&obstack_for_string, '['); }
+  "@}" { obstack_1grow (&obstack_for_string, ']'); }
+  "@`" /* Empty.  Useful for starting an argument
+          that begins with whitespace. */
+  @\n  /* Empty.  */

 
   @[,)] {
     if (at_directive_argc >= AT_DIRECTIVE_ARGC_MAX)
 
   @[,)] {
     if (at_directive_argc >= AT_DIRECTIVE_ARGC_MAX)

-      fail_for_at_directive_too_many_args ();
+      fail_for_at_directive_too_many_args (at_directive_argv[0]);

 
     obstack_1grow (&obstack_for_string, '\0');
     at_directive_argv[at_directive_argc++] =
 
     obstack_1grow (&obstack_for_string, '\0');
     at_directive_argv[at_directive_argc++] =


@@ -159,21 +124,14 @@ static char *at_directive_argv[AT_DIRECTIVE_ARGC_MAX];
       BEGIN SC_AT_DIRECTIVE_SKIP_WS;
     else
       {
       BEGIN SC_AT_DIRECTIVE_SKIP_WS;
     else
       {

-        at_directive_perform (&outname, &out_lineno);
+        at_directive_perform (at_directive_argc, at_directive_argv,
+                              &outname, &out_lineno);

         obstack_free (&obstack_for_string, at_directive_argv[0]);
         at_directive_argc = 0;
         obstack_free (&obstack_for_string, at_directive_argv[0]);
         at_directive_argc = 0;

-        free (at_directive_name);
-        at_directive_name = NULL;

         BEGIN INITIAL;
       }
   }
         BEGIN INITIAL;
       }
   }

-}

 
 

-<SC_AT_GETTEXT_ARG,SC_AT_DIRECTIVE_ARGS>{
-  [^@]+ { STRING_GROW; }
-  "@@" { obstack_1grow (&obstack_for_string, '@'); }
-  "@{" { obstack_1grow (&obstack_for_string, '['); }
-  "@}" { obstack_1grow (&obstack_for_string, ']'); }

   @.? { fail_for_invalid_at (yytext); }
 }
 
   @.? { fail_for_invalid_at (yytext); }
 }
 


@@ -182,10 +140,9 @@ static char *at_directive_argv[AT_DIRECTIVE_ARGC_MAX];
   . { yyless (0); BEGIN SC_AT_DIRECTIVE_ARGS; }
 }
 
   . { yyless (0); BEGIN SC_AT_DIRECTIVE_ARGS; }
 }
 

-<SC_AT_GETTEXT_ARG,SC_AT_DIRECTIVE_ARGS,SC_AT_DIRECTIVE_SKIP_WS>{
+<SC_AT_DIRECTIVE_ARGS,SC_AT_DIRECTIVE_SKIP_WS>{

   <<EOF>> {
   <<EOF>> {

-    fatal (_("unclosed %s directive in skeleton"),
-           at_directive_name ? at_directive_name : "@gettext");
+    fatal (_("unclosed %s directive in skeleton"), at_directive_argv[0]);

   }
 }
 
   }
 }
 


@@ -207,133 +164,135 @@ scan_skel (FILE *in)
   skel_in = in;
   skel__flex_debug = trace_flag & trace_skeleton;
   skel_lex ();
   skel_in = in;
   skel__flex_debug = trace_flag & trace_skeleton;
   skel_lex ();

-  /* Reclaim Flex's buffers.  */
-  yylex_destroy ();

 }
 
 void
 skel_scanner_free (void)
 {
   obstack_free (&obstack_for_string, 0);
 }
 
 void
 skel_scanner_free (void)
 {
   obstack_free (&obstack_for_string, 0);

+  /* Reclaim Flex's buffers.  */
+  yylex_destroy ();

 }
 
 }
 

-static
-void at_directive_perform (char **outnamep, int *out_linenop)
+static void
+at_directive_perform (int at_directive_argc,
+                      char *at_directive_argv[],
+                      char **outnamep, int *out_linenop)

 {
 {

-  if (0 == strcmp (at_directive_name, "@basename"))
+  if (0 == strcmp (at_directive_argv[0], "@basename"))

     {
     {

-      if (at_directive_argc > 1)
-        fail_for_at_directive_too_many_args ();
-      fputs (last_component (at_directive_argv[0]), yyout);
+      if (at_directive_argc > 2)
+        fail_for_at_directive_too_many_args (at_directive_argv[0]);
+      fputs (last_component (at_directive_argv[1]), yyout);

     }
     }

-  else if (0 == strcmp (at_directive_name, "@warn")
-           || 0 == strcmp (at_directive_name, "@complain")
-           || 0 == strcmp (at_directive_name, "@fatal"))
+  else if (0 == strcmp (at_directive_argv[0], "@warn")
+           || 0 == strcmp (at_directive_argv[0], "@complain")
+           || 0 == strcmp (at_directive_argv[0], "@fatal"))

     {
       void (*func)(char const *, ...);
     {
       void (*func)(char const *, ...);

-      switch (at_directive_name[1])
+      switch (at_directive_argv[0][1])

         {
           case 'w': func = warn; break;
           case 'c': func = complain; break;
           case 'f': func = fatal; break;
         {
           case 'w': func = warn; break;
           case 'c': func = complain; break;
           case 'f': func = fatal; break;

-          default: aver (false); func = NULL; break;
+          default: aver (false); break;

         }
       switch (at_directive_argc)
         {
         }
       switch (at_directive_argc)
         {

-          case 1:
-            func (at_directive_argv[0]);
-            break;

           case 2:
           case 2:

-            func (at_directive_argv[0], at_directive_argv[1]);
+            func (_(at_directive_argv[1]));

             break;
           case 3:
             break;
           case 3:

-            func (at_directive_argv[0], at_directive_argv[1],
-                  at_directive_argv[2]);
+            func (_(at_directive_argv[1]), at_directive_argv[2]);

             break;
           case 4:
             break;
           case 4:

-            func (at_directive_argv[0], at_directive_argv[1],
-                  at_directive_argv[2], at_directive_argv[3]);
+            func (_(at_directive_argv[1]), at_directive_argv[2],
+                  at_directive_argv[3]);

             break;
           case 5:
             break;
           case 5:

-            func (at_directive_argv[0], at_directive_argv[1],
-                  at_directive_argv[2], at_directive_argv[3],
-                  at_directive_argv[4]);
+            func (_(at_directive_argv[1]), at_directive_argv[2],
+                  at_directive_argv[3], at_directive_argv[4]);
+            break;
+          case 6:
+            func (_(at_directive_argv[1]), at_directive_argv[2],
+                  at_directive_argv[3], at_directive_argv[4],
+                  at_directive_argv[5]);

             break;
           default:
             break;
           default:

-            fail_for_at_directive_too_many_args ();
+            fail_for_at_directive_too_many_args (at_directive_argv[0]);

             break;
         }
     }
             break;
         }
     }

-  else if (0 == strcmp (at_directive_name, "@warn_at")
-           || 0 == strcmp (at_directive_name, "@complain_at")
-           || 0 == strcmp (at_directive_name, "@fatal_at"))
+  else if (0 == strcmp (at_directive_argv[0], "@warn_at")
+           || 0 == strcmp (at_directive_argv[0], "@complain_at")
+           || 0 == strcmp (at_directive_argv[0], "@fatal_at"))

     {
       void (*func)(location, char const *, ...);
       location loc;
     {
       void (*func)(location, char const *, ...);
       location loc;

-      if (at_directive_argc < 3)
-        fail_for_at_directive_too_few_args ();
-      switch (at_directive_name[1])
+      if (at_directive_argc < 4)
+        fail_for_at_directive_too_few_args (at_directive_argv[0]);
+      switch (at_directive_argv[0][1])

         {
           case 'w': func = warn_at; break;
           case 'c': func = complain_at; break;
           case 'f': func = fatal_at; break;
         {
           case 'w': func = warn_at; break;
           case 'c': func = complain_at; break;
           case 'f': func = fatal_at; break;

-          default: aver (false); func = NULL; break;
+          default: aver (false); break;

         }
         }

-      boundary_set_from_string (&loc.start, at_directive_argv[0]);
-      boundary_set_from_string (&loc.end, at_directive_argv[1]);
+      boundary_set_from_string (&loc.start, at_directive_argv[1]);
+      boundary_set_from_string (&loc.end, at_directive_argv[2]);

       switch (at_directive_argc)
         {
       switch (at_directive_argc)
         {

-          case 3:
-            func (loc, at_directive_argv[2]);
-            break;

           case 4:
           case 4:

-            func (loc, at_directive_argv[2], at_directive_argv[3]);
+            func (loc, _(at_directive_argv[3]));

             break;
           case 5:
             break;
           case 5:

-            func (loc, at_directive_argv[2], at_directive_argv[3],
-                  at_directive_argv[4]);
+            func (loc, _(at_directive_argv[3]), at_directive_argv[4]);

             break;
           case 6:
             break;
           case 6:

-            func (loc, at_directive_argv[2], at_directive_argv[3],
-                  at_directive_argv[4], at_directive_argv[5]);
+            func (loc, _(at_directive_argv[3]), at_directive_argv[4],
+                  at_directive_argv[5]);

             break;
           case 7:
             break;
           case 7:

-            func (loc, at_directive_argv[2], at_directive_argv[3],
-                  at_directive_argv[4], at_directive_argv[5],
-                  at_directive_argv[6]);
+            func (loc, _(at_directive_argv[3]), at_directive_argv[4],
+                  at_directive_argv[5], at_directive_argv[6]);
+            break;
+          case 8:
+            func (loc, _(at_directive_argv[3]), at_directive_argv[4],
+                  at_directive_argv[5], at_directive_argv[6],
+                  at_directive_argv[7]);

             break;
           default:
             break;
           default:

-            fail_for_at_directive_too_many_args ();
+            fail_for_at_directive_too_many_args (at_directive_argv[0]);

             break;
         }
     }
             break;
         }
     }

-  else if (0 == strcmp (at_directive_name, "@output"))
+  else if (0 == strcmp (at_directive_argv[0], "@output"))

     {
     {

-      if (at_directive_argc > 1)
-        fail_for_at_directive_too_many_args ();
+      if (at_directive_argc > 2)
+        fail_for_at_directive_too_many_args (at_directive_argv[0]);

       if (*outnamep)
         {
           free (*outnamep);
           xfclose (yyout);
         }
       if (*outnamep)
         {
           free (*outnamep);
           xfclose (yyout);
         }

-      *outnamep = xstrdup (at_directive_argv[0]);
-      output_file_name_check (*outnamep);
+      *outnamep = xstrdup (at_directive_argv[1]);
+      output_file_name_check (outnamep);

       yyout = xfopen (*outnamep, "w");
       *out_linenop = 1;
     }
   else
       yyout = xfopen (*outnamep, "w");
       *out_linenop = 1;
     }
   else

-    fail_for_invalid_at (at_directive_name);
+    fail_for_invalid_at (at_directive_argv[0]);

 }
 
 static void
 }
 
 static void

-fail_for_at_directive_too_few_args (void)
+fail_for_at_directive_too_few_args (char const *at_directive_name)

 {
   fatal (_("too few arguments for %s directive in skeleton"),
          at_directive_name);
 }
 
 static void
 {
   fatal (_("too few arguments for %s directive in skeleton"),
          at_directive_name);
 }
 
 static void

-fail_for_at_directive_too_many_args (void)
+fail_for_at_directive_too_many_args (char const *at_directive_name)

 {
   fatal (_("too many arguments for %s directive in skeleton"),
          at_directive_name);
 {
   fatal (_("too many arguments for %s directive in skeleton"),
          at_directive_name);