Add support for hex token numbers.

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 92e9ef4ea3bd701c2e1178c8699adfc02db12d33..68a701648fe1656cb187f952e9bce7e56ec5cb8c 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,5 +1,6 @@
-/* Parse command line arguments for bison.
-   Copyright (C) 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.
@@ -20,25 +21,43 @@
    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 "struniq.h"
-#include "getargs.h"
 #include "files.h"
+#include "getargs.h"
+#include "uniqstr.h"
 
-int debug_flag = 0;
-int defines_flag = 0;
-int locations_flag = 0;
-int no_lines_flag = 0;
-int no_parser_flag = 0;
+bool debug_flag;
+bool defines_flag;
+bool locations_flag;
+bool no_lines_flag;
+bool no_parser_flag;
 int report_flag = report_none;
-int token_table_flag = 0;
-int yacc_flag = 0;     /* for -y */
-int graph_flag = 0;
+bool token_table_flag;
+bool yacc_flag;        /* for -y */
+bool graph_flag;
 int trace_flag = trace_none;
 
+bool nondeterministic_parser = false;
+bool glr_parser = false;
+bool pure_parser = false;
+
 const char *skeleton = NULL;
 const char *include = NULL;
 
@@ -54,15 +73,16 @@ 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
 };
@@ -77,8 +97,9 @@ static const int trace_types[] =
   trace_grammar,
   trace_resource,
   trace_sets,
-  trace_time,
   trace_tools,
+  trace_skeleton,
+  trace_time,
   trace_all
 };
 
@@ -86,7 +107,7 @@ 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, ",");
@@ -137,7 +158,7 @@ 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
     {
@@ -246,7 +267,7 @@ 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\
@@ -263,6 +284,12 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 /* Shorts options.  */
 const char *short_options = "yvegdhr:ltknVo:b:p:S:T::";
 
+/* Values for long options that do not have single-letter equivalents.  */
+enum
+{
+  LOCATIONS_OPTION = CHAR_MAX + 1
+};
+
 static struct option const long_options[] =
 {
   /* Operation modes. */
@@ -293,7 +320,7 @@ static struct option const long_options[] =
 
   /* Parser.  */
   { "debug",         no_argument,               0,   't' },
-  { "locations",      no_argument, &locations_flag,     1 },
+  { "locations",      no_argument,              0, LOCATIONS_OPTION },
   { "no-lines",       no_argument,               0,   'l' },
   { "no-parser",      no_argument,               0,   'n' },
   { "raw",            no_argument,               0,     0 },
@@ -316,7 +343,8 @@ 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:
@@ -324,7 +352,7 @@ getargs (int argc, char *argv[])
        break;
 
       case 'y':
-       yacc_flag = 1;
+       yacc_flag = true;
        break;
 
       case 'h':
@@ -336,8 +364,9 @@ getargs (int argc, char *argv[])
 
       case 'g':
        /* Here, the -g and --graph=FILE options are differentiated.  */
-       graph_flag = 1;
-       spec_graph_file = AS_FILE_NAME (optarg);
+       graph_flag = true;
+       if (optarg)
+         spec_graph_file = AS_FILE_NAME (optarg);
        break;
 
       case 'v':
@@ -354,25 +383,29 @@ getargs (int argc, char *argv[])
 
       case 'd':
        /* Here, the -d and --defines options are differentiated.  */
-       defines_flag = 1;
+       defines_flag = true;
        if (optarg)
          spec_defines_file = AS_FILE_NAME (optarg);
        break;
 
       case 'l':
-       no_lines_flag = 1;
+       no_lines_flag = true;
+       break;
+
+      case LOCATIONS_OPTION:
+       locations_flag = true;
        break;
 
       case 'k':
-       token_table_flag = 1;
+       token_table_flag = true;
        break;
 
       case 'n':
-       no_parser_flag = 1;
+       no_parser_flag = true;
        break;
 
       case 't':
-       debug_flag = 1;
+       debug_flag = true;
        break;
 
       case 'o':
@@ -408,5 +441,5 @@ getargs (int argc, char *argv[])
       usage (EXIT_FAILURE);
     }
 
-  current_file = grammar_file = struniq_new (argv[optind]);
+  current_file = grammar_file = uniqstr_new (argv[optind]);
 }