* doc/bison.texinfo (Debugging):

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index d853118e0f5a261575398914254a32ab3073fee5..ed76626aed8de4e7a6811ee88c2aea5c3b51ac0c 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,135 +1,232 @@
-/* Parse command line arguments for bison,
-   Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
+/* Parse command line arguments for bison.
+   Copyright 1984, 1986, 1989, 1992, 2000, 2001 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.
+   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.

 
 

-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.
-
-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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   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.

 
 

+   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., 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */

 
 #include <stdio.h>
 #include "getopt.h"
 #include "system.h"
 #include "files.h"
 
 #include <stdio.h>
 #include "getopt.h"
 #include "system.h"
 #include "files.h"

+#include "complain.h"
+#include "getargs.h"
+#include "xalloc.h"
+#include "options.h"
+
+int debug_flag = 0;
+int defines_flag = 0;
+int locations_flag = 0;
+int no_lines_flag = 0;
+int no_parser_flag = 0;
+int token_table_flag = 0;
+int verbose_flag = 0;
+int yacc_flag = 0;     /* for -y */
+int graph_flag = 0;
+int trace_flag = 0;
+
+const char *skeleton = NULL;
+const char *include = NULL;
+
+extern char *program_name;
+
+/*---------------------------.
+| Display the help message.  |
+`---------------------------*/
+
+static void
+usage (FILE *stream)
+{
+  /* Some efforts were made to ease the translators' task, please
+     continue.  */
+  fputs (_("\
+GNU bison generates parsers for LALR(1) grammars.\n"), stream);
+  putc ('\n', stream);
+
+  fprintf (stream, _("\
+Usage: %s [OPTION]... FILE\n"), program_name);
+  putc ('\n', stream);
+
+  fputs (_("\
+If a long option shows an argument as mandatory, then it is mandatory\n\
+for the equivalent short option also.  Similarly for optional arguments.\n"),
+        stream);
+  putc ('\n', stream);
+
+  fputs (_("\
+Operation modes:\n\
+  -h, --help      display this help and exit\n\
+  -V, --version   output version information and exit\n\
+  -y, --yacc      emulate POSIX yacc\n"), stream);
+  putc ('\n', stream);

 
 

-int verboseflag;
-int definesflag;
-int debugflag;
-int nolinesflag;
-char *spec_name_prefix; /* for -p.  */
-char *spec_file_prefix; /* for -b. */
-extern int fixed_outfiles;/* for -y */
+  fputs (_("\
+Parser:\n\
+  -S, --skeleton=FILE        specify the skeleton to use\n\
+  -t, --debug                instrument the parser for debugging\n\
+      --locations            enable locations computation\n\
+  -p, --name-prefix=PREFIX   prepend PREFIX to the external symbols\n\
+  -l, --no-lines             don't generate `#line' directives\n\
+  -n, --no-parser            generate the tables only\n\
+  -k, --token-table          include a table of token names\n\
+"), stream);
+  putc ('\n', stream);

 
 

-extern void fatal();
+  fputs (_("\
+Output:\n\
+  -d, --defines              also produce a header file\n\
+  -v, --verbose              also produce an explanation of the automaton\n\
+  -b, --file-prefix=PREFIX   specify a PREFIX for output files\n\
+  -o, --output=FILE          leave output to FILE\n\
+  -g, --graph                also produce a VCG description of the automaton\n\
+"), stream);
+  putc ('\n', stream);

 
 

-struct option longopts[] =
+  fputs (_("\
+Report bugs to <bug-bison@gnu.org>.\n"), stream);
+}
+
+
+/*------------------------------.
+| Display the version message.  |
+`------------------------------*/
+
+static void
+version (FILE *stream)

 {
 {

-  {"debug", 0, &debugflag, 1},
-  {"defines", 0, &definesflag, 1},
-  {"file-prefix", 1, 0, 'b'},
-  {"fixed-output-files", 0, &fixed_outfiles, 1},
-  {"name-prefix", 1, 0, 'a'},
-  {"no-lines", 0, &nolinesflag, 1},
-  {"output", 1, 0, 'o'},
-  {"output-file", 1, 0, 'o'},
-  {"verbose", 0, &verboseflag, 1},
-  {"version", 0, 0, 'V'},
-  {"yacc", 0, &fixed_outfiles, 1},
-  {0, 0, 0, 0}
-};
+  /* Some efforts were made to ease the translators' task, please
+     continue.  */
+  fprintf (stream, _("\
+bison (GNU Bison) %s"), VERSION);
+  putc ('\n', stream);
+  putc ('\n', stream);
+
+  fputs (_("\
+Copyright 1984, 1986, 1989, 1992, 2000, 2001 Free Software Foundation, Inc.\n"),
+        stream);
+
+  fputs (_("\
+This is free software; see the source for copying conditions.  There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"),
+        stream);
+}
+
+
+/*----------------------.
+| Process the options.  |
+`----------------------*/

 
 void
 
 void

-getargs(argc, argv)
-     int argc;
-     char *argv[];
+getargs (int argc, char *argv[])

 {
 {

-  register int c;
-  int longind;
-  extern char *program_name;
-  extern char *version_string;
-
-  verboseflag = 0;
-  definesflag = 0;
-  debugflag = 0;
-  fixed_outfiles = 0;
-
-  while ((c = getopt_long (argc, argv, "yvdltVo:b:p:", longopts, &longind))
-        != EOF)
-    {
-      if (c == 0 && longopts[longind].flag == 0)
-       c = longopts[longind].val;
-      switch (c)
-       {
-       case 0:
-         /* Certain long options cause getopt_long to return 0.  */
-         break;
-
-       case 'y':
-         fixed_outfiles = 1;
-         break;
-         
-       case 'V':
-         printf("%s", version_string);
-         break;
-         
-       case 'v':
-         verboseflag = 1;
-         break;
-         
-       case 'd':
-         definesflag = 1;
-         break;
-         
-       case 'l':
-         nolinesflag = 1;
-         break;
-         
-       case 't':
-         debugflag = 1;
-         break;
-         
-       case 'o':
-         spec_outfile = optarg;
-         break;
-         
-       case 'b':
-         spec_file_prefix = optarg;
-         break;
-         
-       case 'p':
-         spec_name_prefix = optarg;
-         break;
-         
-       default:
-         fprintf (stderr, "\
-Usage: %s [-dltvyV] [-b file-prefix] [-o outfile] [-p name-prefix]\n\
-       [--debug] [--defines] [--fixed-output-files] [--no-lines]\n\
-       [--verbose] [--version] [--yacc]\n\
-       [--file-prefix=prefix] [--name-prefix=prefix]\n\
-       [--output=outfile] grammar-file\n",
-                  program_name);
-         exit (1);
-       }
-    }
+  int c;
+
+  struct option *longopts = long_option_table_new ();
+  while ((c = getopt_long (argc, argv, shortopts, longopts, NULL)) != EOF)
+    switch (c)
+      {
+      case 0:
+       /* Certain long options cause getopt_long to return 0.  */
+       break;
+
+      case 'y':
+       yacc_flag = 1;
+       break;
+
+      case 'h':
+       usage (stdout);
+       exit (0);
+
+      case 'V':
+       version (stdout);
+       exit (0);
+
+      case 'g':
+       /* Here, the -g and --graph=FILE options are differentiated.  */
+       graph_flag = 1;
+       spec_graph_file = optarg;
+       break;
+
+      case 'v':
+       verbose_flag = 1;
+       break;
+
+      case 'S':
+       skeleton = optarg;
+       break;
+
+      case 'I':
+       include = optarg;
+       break;
+
+      case 'd':
+       /* Here, the -d and --defines options are differentiated.  */
+       defines_flag = 1;
+       spec_defines_file = optarg;
+       break;
+
+      case 'l':
+       no_lines_flag = 1;
+       break;
+
+      case 'k':
+       token_table_flag = 1;
+       break;
+
+      case 'r':
+       fatal (_("`%s' is no longer supported"), "--raw");
+       break;
+
+      case 'n':
+       no_parser_flag = 1;
+       break;
+
+      case 't':
+       debug_flag = 1;
+       break;
+
+      case 'o':
+       spec_outfile = optarg;
+       break;
+
+      case 'b':
+       spec_file_prefix = optarg;
+       break;
+
+      case 'p':
+       spec_name_prefix = optarg;
+       break;
+
+      default:
+       fprintf (stderr, _("Try `%s --help' for more information.\n"),
+                program_name);
+       exit (1);
+      }
+
+  free (longopts);

 
   if (optind == argc)
     {
 
   if (optind == argc)
     {

-      fprintf(stderr, "%s: no grammar file given\n", program_name);
-      exit(1);
+      fprintf (stderr, _("%s: no grammar file given\n"), program_name);
+      exit (1);

     }
   if (optind < argc - 1)
     }
   if (optind < argc - 1)

-    fprintf(stderr, "%s: warning: extra arguments ignored\n", program_name);
+    fprintf (stderr, _("%s: extra arguments ignored after `%s'\n"),
+            program_name, argv[optind]);

 
   infile = argv[optind];
 }
 
   infile = argv[optind];
 }