skeletons: remove support for unused directive.

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 772d7dfc51530aac24a72154bb6a76a8391d5651..3fa2a7af25c816f3a4bc3141e6416166d1d736de 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,6 +1,6 @@
 /* Parse command line arguments for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 1992, 2000-2011 Free Software
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -26,7 +26,6 @@
 #include <c-strcase.h>
 #include <configmake.h>
 #include <error.h>
-#include <quotearg.h>
 
 /* Hack to get <getopt.h> to declare getopt with a prototype.  */
 #if lint && ! defined __GNU_LIBRARY__
@@ -41,10 +40,13 @@
 # undef HACK_FOR___GNU_LIBRARY___PROTOTYPE
 #endif
 
+#include <progname.h>
+
 #include "complain.h"
 #include "files.h"
 #include "getargs.h"
 #include "muscle-tab.h"
+#include "quote.h"
 #include "uniqstr.h"
 
 bool debug_flag;
@@ -63,7 +65,8 @@ bool glr_parser = false;
 
 int report_flag = report_none;
 int trace_flag = trace_none;
-int warnings_flag = warnings_other;
+int warnings_flag = warnings_conflicts_sr | warnings_conflicts_rr
+                    | warnings_other;
 
 static struct bison_language const valid_languages[] = {
   { "c", "c-skel.m4", ".c", ".h", true },
@@ -78,8 +81,6 @@ int language_prio = default_prio;
 struct bison_language const *language = &valid_languages[0];
 const char *include = NULL;
 
-char *program_name;
-
 
 /** Decode an option's set of keys.
  *
@@ -234,6 +235,8 @@ static const char * const warnings_args[] =
   "none            - no warnings",
   "midrule-values  - unset or unused midrule values",
   "yacc            - incompatibilities with POSIX Yacc",
+  "conflicts-sr    - S/R conflicts",
+  "conflicts-rr    - R/R conflicts",
   "other           - all other warnings",
   "all             - all of the above",
   "error           - warnings are errors",
@@ -245,6 +248,8 @@ static const int warnings_types[] =
   warnings_none,
   warnings_midrule_values,
   warnings_yacc,
+  warnings_conflicts_sr,
+  warnings_conflicts_rr,
   warnings_other,
   warnings_all,
   warnings_error
@@ -335,6 +340,8 @@ Output:\n\
 Warning categories include:\n\
   `midrule-values'  unset or unused midrule values\n\
   `yacc'            incompatibilities with POSIX Yacc\n\
+  `conflicts-sr'    S/R conflicts (enabled by default)\n\
+  `conflicts-rr'    R/R conflicts (enabled by default)\n\
   `other'           all other warnings (enabled by default)\n\
   `all'             all the warnings\n\
   `no-CATEGORY'     turn off warnings in CATEGORY\n\
@@ -411,20 +418,20 @@ language_argmatch (char const *arg, int prio, location loc)
     {
       int i;
       for (i = 0; valid_languages[i].language[0]; i++)
-       if (c_strcasecmp (arg, valid_languages[i].language) == 0)
-         {
-           language_prio = prio;
-           language = &valid_languages[i];
-           return;
-         }
-      msg = _("invalid language `%s'");
+        if (c_strcasecmp (arg, valid_languages[i].language) == 0)
+          {
+            language_prio = prio;
+            language = &valid_languages[i];
+            return;
+          }
+      msg = _("%s: invalid language");
     }
   else if (language_prio == prio)
     msg = _("multiple language declarations are invalid");
   else
     return;
 
-  complain_at (loc, msg, arg);
+  complain_at (loc, msg, quotearg_colon (arg));
 }
 
 /*----------------------.
@@ -555,7 +562,7 @@ getargs (int argc, char *argv[])
       case 'F': /* -FNAME[=VALUE]. */
         {
           char* name = optarg;
-          char* value = strchr (optarg, '=');
+          char* value = mbschr (optarg, '=');
           if (value)
             *value++ = 0;
           muscle_percent_define_insert (name, command_line_location (),
@@ -599,13 +606,19 @@ getargs (int argc, char *argv[])
         /* Here, the -d and --defines options are differentiated.  */
         defines_flag = true;
         if (optarg)
-          spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_defines_file);
+            spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+          }
         break;
 
       case 'g':
        graph_flag = true;
        if (optarg)
-         spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_graph_file);
+            spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+          }
        break;
 
       case 'h':
@@ -642,7 +655,10 @@ getargs (int argc, char *argv[])
       case 'x':
        xml_flag = true;
        if (optarg)
-         spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          {
+            free (spec_xml_file);
+            spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+          }
        break;
 
       case 'y':
@@ -662,6 +678,7 @@ getargs (int argc, char *argv[])
        exit (EXIT_SUCCESS);
 
       case REPORT_FILE_OPTION:
+        free (spec_verbose_file);
        spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
        break;
 
@@ -672,9 +689,9 @@ getargs (int argc, char *argv[])
   if (argc - optind != 1)
     {
       if (argc - optind < 1)
-       error (0, 0, _("missing operand after `%s'"), argv[argc - 1]);
+        error (0, 0, _("%s: missing operand"), quotearg_colon (argv[argc - 1]));
       else
-       error (0, 0, _("extra operand `%s'"), argv[optind + 1]);
+        error (0, 0, _("extra operand %s"), quote (argv[optind + 1]));
       usage (EXIT_FAILURE);
     }