* data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index fc8ac9b996e3ba6723670968254bfef821e11694..69e6f20f9edaa8334c141204d5f007217068b576 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,5 +1,6 @@
-/* Parse command line arguments for bison.
-   Copyright 1984, 1986, 1989, 1992, 2000, 2001, 2002
+/* Parse command line arguments for Bison.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -20,12 +21,27 @@
    02111-1307, USA.  */
 
 #include "system.h"
-#include "getopt.h"
-#include "argmatch.h"
-#include "error.h"
+
+#include <argmatch.h>
+#include <error.h>
+
+/* Hack to get <getopt.h> to declare getopt with a prototype.  */
+#if lint && ! defined __GNU_LIBRARY__
+# define __GNU_LIBRARY__
+# define HACK_FOR___GNU_LIBRARY___PROTOTYPE 1
+#endif
+
+#include <getopt.h>
+
+#ifdef HACK_FOR___GNU_LIBRARY___PROTOTYPE
+# undef __GNU_LIBRARY__
+# undef HACK_FOR___GNU_LIBRARY___PROTOTYPE
+#endif
+
 #include "complain.h"
-#include "getargs.h"
 #include "files.h"
+#include "getargs.h"
+#include "uniqstr.h"
 
 int debug_flag = 0;
 int defines_flag = 0;
@@ -53,15 +69,16 @@ static const char * const trace_args[] =
   /* In a series of synonyms, present the most meaningful first, so
      that argmatch_valid be more readable.  */
   "none       - no report",
-  "scan       - scanner traces",
-  "parse      - parser traces",
+  "scan       - grammar scanner traces",
+  "parse      - grammar parser traces",
   "automaton  - contruction of the automaton",
   "bitsets    - use of bitsets",
   "grammar    - reading, reducing of the grammar",
   "resource   - memory consumption (where available)",
   "sets       - grammar sets: firsts, nullable etc.",
-  "time       - time consumption",
   "tools      - m4 invocation and preserve the temporary file",
+  "skeleton   - skeleton postprocessing",
+  "time       - time consumption",
   "all        - all of the above",
   0
 };
@@ -76,8 +93,9 @@ static const int trace_types[] =
   trace_grammar,
   trace_resource,
   trace_sets,
-  trace_time,
   trace_tools,
+  trace_skeleton,
+  trace_time,
   trace_all
 };
 
@@ -85,7 +103,7 @@ static const int trace_types[] =
 static void
 trace_argmatch (char *args)
 {
-  ARGMATCH_ASSERT (trace_args, trace_types);
+  verify (trace_constraint, ARGMATCH_CONSTRAINT (trace_args, trace_types));
   if (args)
     {
       args = strtok (args, ",");
@@ -136,7 +154,7 @@ static const int report_types[] =
 static void
 report_argmatch (char *args)
 {
-  ARGMATCH_ASSERT (report_args, report_types);
+  verify (report_constraint, ARGMATCH_CONSTRAINT (report_args, report_types));
   args = strtok (args, ",");
   do
     {
@@ -155,6 +173,8 @@ report_argmatch (char *args)
 | Display the help message and exit STATUS.  |
 `-------------------------------------------*/
 
+static void usage (int) ATTRIBUTE_NORETURN;
+
 static void
 usage (int status)
 {
@@ -243,7 +263,7 @@ version (void)
   putc ('\n', stdout);
 
   fprintf (stdout,
-          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2002);
+          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2003);
 
   fputs (_("\
 This is free software; see the source for copying conditions.  There is NO\n\
@@ -281,18 +301,6 @@ static struct option const long_options[] =
   /* Hidden. */
   { "trace",         optional_argument,   0,     'T' },
 
-  /* FIXME: semantic parsers will output an `include' of an
-     output file: be sure that the naem included is indeed the name of
-     the output file.  */ /* FIXME Should we activate this options ?
-     */
-  { "output",      required_argument,     0, 'o' },
-  { "file-prefix", required_argument,     0, 'b' },
-  { "name-prefix", required_argument,     0, 'p' },
-
-  /*
-   * Percent and command line declarations.
-   */
-
   /* Output.  */
   { "defines",     optional_argument,   0,   'd' },
 
@@ -325,7 +333,8 @@ getargs (int argc, char *argv[])
 {
   int c;
 
-  while ((c = getopt_long (argc, argv, short_options, long_options, NULL)) != EOF)
+  while ((c = getopt_long (argc, argv, short_options, long_options, NULL))
+        != -1)
     switch (c)
       {
       case 0:
@@ -337,16 +346,17 @@ getargs (int argc, char *argv[])
        break;
 
       case 'h':
-       usage (0);
+       usage (EXIT_SUCCESS);
 
       case 'V':
        version ();
-       exit (0);
+       exit (EXIT_SUCCESS);
 
       case 'g':
        /* Here, the -g and --graph=FILE options are differentiated.  */
        graph_flag = 1;
-       spec_graph_file = AS_FILE_NAME (optarg);
+       if (optarg)
+         spec_graph_file = AS_FILE_NAME (optarg);
        break;
 
       case 'v':
@@ -405,18 +415,17 @@ getargs (int argc, char *argv[])
        break;
 
       default:
-       fprintf (stderr, _("Try `%s --help' for more information.\n"),
-                program_name);
-       exit (1);
+       usage (EXIT_FAILURE);
       }
 
-  if (optind != argc - 1)
+  if (argc - optind != 1)
     {
-      error (0, 0,
-            (optind == argc
-             ? _("too few arguments") : _("too many arguments")));
+      if (argc - optind < 1)
+       error (0, 0, _("missing operand after `%s'"), argv[argc - 1]);
+      else
+       error (0, 0, _("extra operand `%s'"), argv[optind + 1]);
       usage (EXIT_FAILURE);
     }
 
-  infile = argv[optind];
+  current_file = grammar_file = uniqstr_new (argv[optind]);
 }