* src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 061ec7f962ca6f419296f42ca454feb41874fcd4..ec7ddf17e93af2d8146861ced2c95fb2d7ed8ae4 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -1,6 +1,7 @@
-/* Parse command line arguments for bison.
-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002
-   Free Software Foundation, Inc.
+/* Parse command line arguments for Bison.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006 Free Software Foundation, Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    This file is part of Bison, the GNU Compiler Compiler.
 


@@ -16,26 +17,49 @@
 
    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
 
    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.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */

 
 

+#include <config.h>

 #include "system.h"
 #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 "complain.h"

-#include "getargs.h"

 #include "files.h"
 #include "files.h"

+#include "getargs.h"
+#include "uniqstr.h"
+
+bool debug_flag;
+bool defines_flag;
+bool graph_flag;
+bool locations_flag;
+bool no_lines_flag;
+bool no_parser_flag;
+bool token_table_flag;
+bool yacc_flag;        /* for -y */
+
+bool error_verbose = false;
+
+bool nondeterministic_parser = false;
+bool glr_parser = false;
+bool pure_parser = false;

 
 

-int debug_flag = 0;
-int defines_flag = 0;
-int locations_flag = 0;
-int no_lines_flag = 0;
-int no_parser_flag = 0;

 int report_flag = report_none;
 int report_flag = report_none;

-int token_table_flag = 0;
-int yacc_flag = 0;     /* for -y */
-int graph_flag = 0;

 int trace_flag = trace_none;
 
 const char *skeleton = NULL;
 int trace_flag = trace_none;
 
 const char *skeleton = NULL;


@@ -53,15 +77,17 @@ 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",
   /* 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.",
   "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.",

+  "tools      - m4 invocation",
+  "m4         - m4 traces",
+  "skeleton   - skeleton postprocessing",

   "time       - time consumption",
   "time       - time consumption",

-  "tools      - m4 invocation and preserve the temporary file",

   "all        - all of the above",
   0
 };
   "all        - all of the above",
   0
 };


@@ -76,16 +102,18 @@ static const int trace_types[] =
   trace_grammar,
   trace_resource,
   trace_sets,
   trace_grammar,
   trace_resource,
   trace_sets,

-  trace_time,

   trace_tools,
   trace_tools,

+  trace_m4,
+  trace_skeleton,
+  trace_time,

   trace_all
 };
 
   trace_all
 };
 

+ARGMATCH_VERIFY (trace_args, trace_types);

 
 static void
 trace_argmatch (char *args)
 {
 
 static void
 trace_argmatch (char *args)
 {

-  ARGMATCH_ASSERT (trace_args, trace_types);

   if (args)
     {
       args = strtok (args, ",");
   if (args)
     {
       args = strtok (args, ",");


@@ -116,7 +144,7 @@ static const char * const report_args[] =
   "none",
   "state", "states",
   "itemset", "itemsets",
   "none",
   "state", "states",
   "itemset", "itemsets",

-  "lookahead", "lookaheads",
+  "look-ahead", "lookahead", "lookaheads",

   "solved",
   "all",
   0
   "solved",
   "all",
   0


@@ -127,16 +155,18 @@ static const int report_types[] =
   report_none,
   report_states, report_states,
   report_states | report_itemsets, report_states | report_itemsets,
   report_none,
   report_states, report_states,
   report_states | report_itemsets, report_states | report_itemsets,

-  report_states | report_lookaheads, report_states | report_lookaheads,
+  report_states | report_look_ahead_tokens,
+  report_states | report_look_ahead_tokens,
+  report_states | report_look_ahead_tokens,

   report_states | report_solved_conflicts,
   report_all
 };
 
   report_states | report_solved_conflicts,
   report_all
 };
 

+ARGMATCH_VERIFY (report_args, report_types);

 
 static void
 report_argmatch (char *args)
 {
 
 static void
 report_argmatch (char *args)
 {

-  ARGMATCH_ASSERT (report_args, report_types);

   args = strtok (args, ",");
   do
     {
   args = strtok (args, ",");
   do
     {


@@ -168,7 +198,7 @@ usage (int status)
       /* Some efforts were made to ease the translators' task, please
         continue.  */
       fputs (_("\
       /* Some efforts were made to ease the translators' task, please
         continue.  */
       fputs (_("\

-GNU bison generates parsers for LALR(1) grammars.\n"), stdout);
+GNU bison generates parsers for LALR(1) or GLR grammars.\n"), stdout);

       putc ('\n', stdout);
 
       fprintf (stdout, _("\
       putc ('\n', stdout);
 
       fprintf (stdout, _("\


@@ -183,9 +213,10 @@ for the equivalent short option also.  Similarly for optional arguments.\n"),
 
       fputs (_("\
 Operation modes:\n\
 
       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"), stdout);
+  -h, --help                 display this help and exit\n\
+  -V, --version              output version information and exit\n\
+      --print-localedir      output directory containing locale-dependent data\n\
+  -y, --yacc                 emulate POSIX yacc\n"), stdout);

       putc ('\n', stdout);
 
       fputs (_("\
       putc ('\n', stdout);
 
       fputs (_("\


@@ -215,7 +246,7 @@ Output:\n\
 THINGS is a list of comma separated words that can include:\n\
   `state'        describe the states\n\
   `itemset'      complete the core item sets with their closure\n\
 THINGS is a list of comma separated words that can include:\n\
   `state'        describe the states\n\
   `itemset'      complete the core item sets with their closure\n\

-  `lookahead'    explicitly associate lookaheads to items\n\
+  `look-ahead'   explicitly associate look-ahead tokens to items\n\

   `solved'       describe shift/reduce conflicts solving\n\
   `all'          include all the above information\n\
   `none'         disable the report\n\
   `solved'       describe shift/reduce conflicts solving\n\
   `all'          include all the above information\n\
   `none'         disable the report\n\


@@ -245,7 +276,7 @@ version (void)
   putc ('\n', stdout);
 
   fprintf (stdout,
   putc ('\n', stdout);
 
   fprintf (stdout,

-          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2002);
+          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2006);

 
   fputs (_("\
 This is free software; see the source for copying conditions.  There is NO\n\
 
   fputs (_("\
 This is free software; see the source for copying conditions.  There is NO\n\


@@ -260,13 +291,21 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 `----------------------*/
 
 /* Shorts options.  */
 `----------------------*/
 
 /* Shorts options.  */

-const char *short_options = "yvegdhr:ltknVo:b:p:S:T::";
+static char const 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,
+  PRINT_LOCALEDIR_OPTION
+};

 
 static struct option const long_options[] =
 {
   /* Operation modes. */
 
 static struct option const long_options[] =
 {
   /* Operation modes. */

-  { "help",          no_argument,              0,   'h' },
-  { "version",       no_argument,              0,   'V' },
+  { "help",            no_argument,    0,   'h' },
+  { "version",         no_argument,    0,   'V' },
+  { "print-localedir", no_argument,    0,   PRINT_LOCALEDIR_OPTION },

 
   /* Parser. */
   { "name-prefix",   required_argument,          0,   'p' },
 
   /* Parser. */
   { "name-prefix",   required_argument,          0,   'p' },


@@ -283,18 +322,6 @@ static struct option const long_options[] =
   /* Hidden. */
   { "trace",         optional_argument,   0,     'T' },
 
   /* 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' },
 
   /* Output.  */
   { "defines",     optional_argument,   0,   'd' },
 


@@ -304,7 +331,7 @@ static struct option const long_options[] =
 
   /* Parser.  */
   { "debug",         no_argument,               0,   't' },
 
   /* 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 },
   { "no-lines",       no_argument,               0,   'l' },
   { "no-parser",      no_argument,               0,   'n' },
   { "raw",            no_argument,               0,     0 },


@@ -327,7 +354,8 @@ getargs (int argc, char *argv[])
 {
   int c;
 
 {
   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:
     switch (c)
       {
       case 0:


@@ -335,7 +363,7 @@ getargs (int argc, char *argv[])
        break;
 
       case 'y':
        break;
 
       case 'y':

-       yacc_flag = 1;
+       yacc_flag = true;

        break;
 
       case 'h':
        break;
 
       case 'h':


@@ -345,10 +373,15 @@ getargs (int argc, char *argv[])
        version ();
        exit (EXIT_SUCCESS);
 
        version ();
        exit (EXIT_SUCCESS);
 

+      case PRINT_LOCALEDIR_OPTION:
+       printf ("%s\n", LOCALEDIR);
+       exit (EXIT_SUCCESS);
+

       case 'g':
        /* Here, the -g and --graph=FILE options are differentiated.  */
       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':
        break;
 
       case 'v':


@@ -365,25 +398,29 @@ getargs (int argc, char *argv[])
 
       case 'd':
        /* Here, the -d and --defines options are differentiated.  */
 
       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':
        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':
        break;
 
       case 'k':

-       token_table_flag = 1;
+       token_table_flag = true;

        break;
 
       case 'n':
        break;
 
       case 'n':

-       no_parser_flag = 1;
+       no_parser_flag = true;

        break;
 
       case 't':
        break;
 
       case 't':

-       debug_flag = 1;
+       debug_flag = true;

        break;
 
       case 'o':
        break;
 
       case 'o':


@@ -419,5 +456,5 @@ getargs (int argc, char *argv[])
       usage (EXIT_FAILURE);
     }
 
       usage (EXIT_FAILURE);
     }
 

-  infile = xstrdup (argv[optind]);
+  current_file = grammar_file = uniqstr_new (argv[optind]);

 }
 }