bench: More use of the verbosity level.

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 9661fefee8e0f35f00c2f63fed66a7c484640298..c9fc9bfc4f87f3a11a633bb0ca3103876f0bf21e 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -20,7 +20,6 @@
 
 #include <config.h>
 #include "system.h"
-#include "revision.h"
 #include "output.h"
 
 #include <argmatch.h>
@@ -253,6 +252,9 @@ Generate LALR(1) and GLR parsers.\n\
 
       fputs (_("\
 Mandatory arguments to long options are mandatory for short options too.\n\
+"), stdout);
+      fputs (_("\
+The same is true for optional arguments.\n\
 "), stdout);
 
       fputs (_("\
@@ -270,6 +272,7 @@ Operation modes:\n\
       fputs (_("\
 Parser:\n\
   -L, --language=LANGUAGE    specify the output programming language\n\
+                             (this is an experimental feature)\n\
   -S, --skeleton=FILE        specify the skeleton to use\n\
   -t, --debug                instrument the parser for debugging\n\
       --locations            enable locations computation\n\
@@ -279,9 +282,12 @@ Parser:\n\
 \n\
 "), stdout);
 
+      /* Keep -d and --defines separate so that ../build-aux/cross-options.pl
+       * won't assume that -d also takes an argument.  */
       fputs (_("\
 Output:\n\
-  -d, --defines[=FILE]       also produce a header file\n\
+      --defines[=FILE]       also produce a header file\n\
+  -d                         likewise but cannot specify FILE (for POSIX Yacc)\n\
   -r, --report=THINGS        also produce details on the automaton\n\
       --report-file=FILE     write report to FILE\n\
   -v, --verbose              same as `--report=state'\n\
@@ -332,7 +338,6 @@ version (void)
      continue.  */
   printf (_("bison (GNU Bison) %s"), VERSION);
   putc ('\n', stdout);
-  printf ("%s", revision);
   fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stdout);
   putc ('\n', stdout);
 
@@ -403,8 +408,30 @@ language_argmatch (char const *arg, int prio, location const *loc)
 | Process the options.  |
 `----------------------*/
 
-/* Shorts options.  */
-static char const short_options[] = "yvegxdhr:L:ltknVo:b:p:S:T::W";
+/* Shorts options.
+   Should be computed from long_options.  */
+static char const short_options[] =
+  "L:"
+  "S:"
+  "T::"
+  "V"
+  "W::"
+  "b:"
+  "d"
+  "e"
+  "g::"
+  "h"
+  "k"
+  "l"
+  "n"
+  "o:"
+  "p:"
+  "r:"
+  "t"
+  "v"
+  "x::"
+  "y"
+  ;
 
 /* Values for long options that do not have single-letter equivalents.  */
 enum
@@ -481,27 +508,17 @@ getargs (int argc, char *argv[])
        /* Certain long options cause getopt_long to return 0.  */
        break;
 
-      case 'b':
-       spec_file_prefix = AS_FILE_NAME (optarg);
-       break;
-
-      case 'g':
-       /* Here, the -g and --graph=FILE options are differentiated.  */
-       graph_flag = true;
+      case 'd':
+       /* Here, the -d and --defines options are differentiated.  */
+       defines_flag = true;
        if (optarg)
-         spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
+         spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
        break;
 
-      case 'x':
-       /* Here, the -x and --xml=FILE options are differentiated.  */
-       xml_flag = true;
-       if (optarg)
-         spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
+      case 'I':
+       include = AS_FILE_NAME (optarg);
        break;
 
-      case 'h':
-       usage (EXIT_SUCCESS);
-
       case 'L':
        language_argmatch (optarg, 0, NULL);
        break;
@@ -510,17 +527,34 @@ getargs (int argc, char *argv[])
        skeleton_arg (AS_FILE_NAME (optarg), 0, NULL);
        break;
 
-      case 'I':
-       include = AS_FILE_NAME (optarg);
+      case 'T':
+       FLAGS_ARGMATCH (trace, optarg);
        break;
 
-      case 'd':
-       /* Here, the -d and --defines options are differentiated.  */
-       defines_flag = true;
+      case 'V':
+       version ();
+       exit (EXIT_SUCCESS);
+
+      case 'W':
        if (optarg)
-         spec_defines_file = xstrdup (AS_FILE_NAME (optarg));
+         FLAGS_ARGMATCH (warnings, optarg);
+       else
+         warnings_flag |= warnings_all;
+       break;
+
+      case 'b':
+       spec_file_prefix = AS_FILE_NAME (optarg);
+       break;
+
+      case 'g':
+       graph_flag = true;
+       if (optarg)
+         spec_graph_file = xstrdup (AS_FILE_NAME (optarg));
        break;
 
+      case 'h':
+       usage (EXIT_SUCCESS);
+
       case 'k':
        token_table_flag = true;
        break;
@@ -541,35 +575,22 @@ getargs (int argc, char *argv[])
        FLAGS_ARGMATCH (report, optarg);
        break;
 
-      case REPORT_FILE_OPTION:
-       spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
-       break;
-
-      case 'T':
-       FLAGS_ARGMATCH (trace, optarg);
-       break;
-
       case 't':
        debug_flag = true;
        break;
 
-      case 'V':
-       version ();
-       exit (EXIT_SUCCESS);
-
       case 'v':
        report_flag |= report_states;
        break;
 
-      case 'y':
-       yacc_flag = true;
+      case 'x':
+       xml_flag = true;
+       if (optarg)
+         spec_xml_file = xstrdup (AS_FILE_NAME (optarg));
        break;
 
-      case 'W':
-       if (optarg)
-         FLAGS_ARGMATCH (warnings, optarg);
-       else
-         warnings_flag |= warnings_all;
+      case 'y':
+       yacc_flag = true;
        break;
 
       case LOCATIONS_OPTION:
@@ -584,6 +605,10 @@ getargs (int argc, char *argv[])
        printf ("%s\n", compute_pkgdatadir ());
        exit (EXIT_SUCCESS);
 
+      case REPORT_FILE_OPTION:
+       spec_verbose_file = xstrdup (AS_FILE_NAME (optarg));
+       break;
+
       default:
        usage (EXIT_FAILURE);
       }