Change @dircategory from "GNU programming tools" to "Software development".

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 9f6aef4a57a907c6c99824f4b0caa7e6af30d35e..969c66115218d2546df51545c6d7300d47b3eec3 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, 2004, 2005

    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -20,23 +21,43 @@
    02111-1307, USA.  */
 
 #include "system.h"
    02111-1307, USA.  */
 
 #include "system.h"

-#include "getopt.h"
-#include "argmatch.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"

 
 

-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 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;
 
 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;
 
 const char *skeleton = NULL;
 const char *include = NULL;
 


@@ -52,13 +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",
   /* In a series of synonyms, present the most meaningful first, so
      that argmatch_valid be more readable.  */
   "none       - no report",

+  "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.",

-  "time       - time consumption",

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

+  "skeleton   - skeleton postprocessing",
+  "time       - time consumption",

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


@@ -66,13 +90,16 @@ static const char * const trace_args[] =
 static const int trace_types[] =
 {
   trace_none,
 static const int trace_types[] =
 {
   trace_none,

+  trace_scan,
+  trace_parse,

   trace_automaton,
   trace_bitsets,
   trace_grammar,
   trace_resource,
   trace_sets,
   trace_automaton,
   trace_bitsets,
   trace_grammar,
   trace_resource,
   trace_sets,

-  trace_time,

   trace_tools,
   trace_tools,

+  trace_skeleton,
+  trace_time,

   trace_all
 };
 
   trace_all
 };
 


@@ -80,7 +107,7 @@ static const int trace_types[] =
 static void
 trace_argmatch (char *args)
 {
 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, ",");
   if (args)
     {
       args = strtok (args, ",");


@@ -111,7 +138,7 @@ 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


@@ -122,7 +149,9 @@ 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
 };


@@ -131,7 +160,7 @@ static const int report_types[] =
 static void
 report_argmatch (char *args)
 {
 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
     {
   args = strtok (args, ",");
   do
     {


@@ -145,37 +174,45 @@ report_argmatch (char *args)
   while ((args = strtok (NULL, ",")));
 }
 
   while ((args = strtok (NULL, ",")));
 }
 

-/*---------------------------.
-| Display the help message.  |
-`---------------------------*/
+
+/*-------------------------------------------.
+| Display the help message and exit STATUS.  |
+`-------------------------------------------*/
+
+static void usage (int) ATTRIBUTE_NORETURN;

 
 static void
 
 static void

-usage (FILE *stream)
+usage (int status)

 {
 {

-  /* Some efforts were made to ease the translators' task, please
-     continue.  */
-  fputs (_("\
-GNU bison generates parsers for LALR(1) grammars.\n"), stream);
-  putc ('\n', stream);
+  if (status != 0)
+    fprintf (stderr, _("Try `%s --help' for more information.\n"),
+            program_name);
+  else
+    {
+      /* Some efforts were made to ease the translators' task, please
+        continue.  */
+      fputs (_("\
+GNU bison generates parsers for LALR(1) grammars.\n"), stdout);
+      putc ('\n', stdout);

 
 

-  fprintf (stream, _("\
+      fprintf (stdout, _("\

 Usage: %s [OPTION]... FILE\n"), program_name);
 Usage: %s [OPTION]... FILE\n"), program_name);

-  putc ('\n', stream);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
+      fputs (_("\

 If a long option shows an argument as mandatory, then it is mandatory\n\
 for the equivalent short option also.  Similarly for optional arguments.\n"),
 If a long option shows an argument as mandatory, then it is mandatory\n\
 for the equivalent short option also.  Similarly for optional arguments.\n"),

-        stream);
-  putc ('\n', stream);
+            stdout);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
+      fputs (_("\

 Operation modes:\n\
   -h, --help      display this help and exit\n\
   -V, --version   output version information and exit\n\
 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"), stream);
-  putc ('\n', stream);
+  -y, --yacc      emulate POSIX yacc\n"), stdout);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
+      fputs (_("\

 Parser:\n\
   -S, --skeleton=FILE        specify the skeleton to use\n\
   -t, --debug                instrument the parser for debugging\n\
 Parser:\n\
   -S, --skeleton=FILE        specify the skeleton to use\n\
   -t, --debug                instrument the parser for debugging\n\


@@ -184,10 +221,10 @@ Parser:\n\
   -l, --no-lines             don't generate `#line' directives\n\
   -n, --no-parser            generate the tables only\n\
   -k, --token-table          include a table of token names\n\
   -l, --no-lines             don't generate `#line' directives\n\
   -n, --no-parser            generate the tables only\n\
   -k, --token-table          include a table of token names\n\

-"), stream);
-  putc ('\n', stream);
+"), stdout);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
+      fputs (_("\

 Output:\n\
   -d, --defines              also produce a header file\n\
   -r, --report=THINGS        also produce details on the automaton\n\
 Output:\n\
   -d, --defines              also produce a header file\n\
   -r, --report=THINGS        also produce details on the automaton\n\


@@ -195,22 +232,25 @@ Output:\n\
   -b, --file-prefix=PREFIX   specify a PREFIX for output files\n\
   -o, --output=FILE          leave output to FILE\n\
   -g, --graph                also produce a VCG description of the automaton\n\
   -b, --file-prefix=PREFIX   specify a PREFIX for output files\n\
   -o, --output=FILE          leave output to FILE\n\
   -g, --graph                also produce a VCG description of the automaton\n\

-"), stream);
-  putc ('\n', stream);
+"), stdout);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
+      fputs (_("\

 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\

-"), stream);
-  putc ('\n', stream);
+"), stdout);
+      putc ('\n', stdout);

 
 

-  fputs (_("\
-Report bugs to <bug-bison@gnu.org>.\n"), stream);
+      fputs (_("\
+Report bugs to <bug-bison@gnu.org>.\n"), stdout);
+    }
+
+  exit (status);

 }
 
 
 }
 
 


@@ -219,23 +259,23 @@ Report bugs to <bug-bison@gnu.org>.\n"), stream);
 `------------------------------*/
 
 static void
 `------------------------------*/
 
 static void

-version (FILE *stream)
+version (void)

 {
   /* Some efforts were made to ease the translators' task, please
      continue.  */
 {
   /* Some efforts were made to ease the translators' task, please
      continue.  */

-  fprintf (stream, _("bison (GNU Bison) %s"), VERSION);
-  putc ('\n', stream);
-  fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stream);
-  putc ('\n', stream);
+  printf (_("bison (GNU Bison) %s"), VERSION);
+  putc ('\n', stdout);
+  fputs (_("Written by Robert Corbett and Richard Stallman.\n"), stdout);
+  putc ('\n', stdout);

 
 

-  fprintf (stream,
-          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2002);
+  fprintf (stdout,
+          _("Copyright (C) %d Free Software Foundation, Inc.\n"), 2005);

 
   fputs (_("\
 This is free software; see the source for copying conditions.  There is NO\n\
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 "),
 
   fputs (_("\
 This is free software; see the source for copying conditions.  There is NO\n\
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 "),

-        stream);
+        stdout);

 }
 
 
 }
 
 


@@ -246,6 +286,12 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 /* Shorts options.  */
 const char *short_options = "yvegdhr:ltknVo:b:p:S:T::";
 
 /* 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. */
 static struct option const long_options[] =
 {
   /* Operation modes. */


@@ -267,18 +313,6 @@ 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' },
 


@@ -288,7 +322,7 @@ 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 },


@@ -311,7 +345,8 @@ 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:


@@ -319,21 +354,21 @@ getargs (int argc, char *argv[])
        break;
 
       case 'y':
        break;
 
       case 'y':

-       yacc_flag = 1;
+       yacc_flag = true;

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

-       usage (stdout);
-       exit (0);
+       usage (EXIT_SUCCESS);

 
       case 'V':
 
       case 'V':

-       version (stdout);
-       exit (0);
+       version ();
+       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':


@@ -350,25 +385,29 @@ 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':


@@ -392,19 +431,17 @@ getargs (int argc, char *argv[])
        break;
 
       default:
        break;
 
       default:

-       fprintf (stderr, _("Try `%s --help' for more information.\n"),
-                program_name);
-       exit (1);
+       usage (EXIT_FAILURE);

       }
 
       }
 

-  if (optind == argc)
+  if (argc - optind != 1)

     {
     {

-      fprintf (stderr, _("%s: no grammar file given\n"), program_name);
-      exit (1);
+      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);

     }
     }

-  if (optind < argc - 1)
-    fprintf (stderr, _("%s: extra arguments ignored after `%s'\n"),
-            program_name, argv[optind]);

 
 

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

 }
 }