doc: fix environment issues.

[bison.git] / src / getargs.h

diff --git a/src/getargs.h b/src/getargs.h
index af716e719d804ebc78242e143d71798b1e7d2590..1d8c9d545d7457552a36a5e8df3d5b2ff3c751b4 100644 (file)
--- a/src/getargs.h
+++ b/src/getargs.h
@@ -1,39 +1,46 @@
 /* Parse command line arguments for bison.
 /* Parse command line arguments for bison.

-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003
-   Free Software Foundation, Inc.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2000-2012 Free Software
+   Foundation, Inc.

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

-   Bison is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.

 
 

-   Bison is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.

 
    You should have received a copy of the GNU General Public License
 
    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.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #ifndef GETARGS_H_
 # define GETARGS_H_
 
 
 #ifndef GETARGS_H_
 # define GETARGS_H_
 

+#include "location.h"
+
+enum { command_line_prio, grammar_prio, default_prio };
+

 /* flags set by % directives */
 /* flags set by % directives */

-extern const char *skeleton;           /* for -S */
-extern const char *include;            /* for -I */
-
-extern int debug_flag;                 /* for -t */
-extern int defines_flag;       /* for -d */
-extern int locations_flag;
-extern int no_lines_flag;      /* for -l */
-extern int no_parser_flag;     /* for -n */
-extern int token_table_flag;           /* for -k */
-extern int graph_flag;         /* for -g */
-extern int yacc_flag;                  /* for -y */
+
+/* for -S */
+extern char const *skeleton;
+extern int skeleton_prio;
+
+/* for -I */
+extern char const *include;
+
+extern bool defines_flag;               /* for -d */
+extern bool graph_flag;                 /* for -g */
+extern bool xml_flag;                   /* for -x */
+extern bool no_lines_flag;              /* for -l */
+extern bool token_table_flag;           /* for -k */
+extern bool yacc_flag;                  /* for -y */
+

 
 /* GLR_PARSER is true if the input file says to use the GLR
    (Generalized LR) parser, and to output some additional information
 
 /* GLR_PARSER is true if the input file says to use the GLR
    (Generalized LR) parser, and to output some additional information


@@ -41,47 +48,97 @@ extern int yacc_flag;               /* for -y */
 
 extern bool glr_parser;
 
 
 extern bool glr_parser;
 

-/* PURE_PARSER is true if should generate a parser that is all pure
-   and reentrant.  */
-
-extern bool pure_parser;
-

 /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted.  This
    is used by the GLR parser, and might be used in BackTracking
    parsers too.  */
 
 extern bool nondeterministic_parser;
 
 /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted.  This
    is used by the GLR parser, and might be used in BackTracking
    parsers too.  */
 
 extern bool nondeterministic_parser;
 

-/* --trace.  */
-enum trace
-  {
-    trace_none      = 0,
-    trace_scan      = 1 << 0,
-    trace_parse     = 1 << 1,
-    trace_resource  = 1 << 2,
-    trace_sets      = 1 << 3,
-    trace_bitsets   = 1 << 4,
-    trace_tools     = 1 << 5,
-    trace_automaton = 1 << 6,
-    trace_grammar   = 1 << 7,
-    trace_time      = 1 << 8,
-    trace_skeleton  = 1 << 9,
-    trace_all       = ~0
-  };
-extern int trace_flag;

 
 

-/* --report.  */
+/* --language.  */
+struct bison_language
+{
+  char language[sizeof "Java"];
+  char skeleton[sizeof "java-skel.m4"];
+  char src_extension[sizeof ".java"];
+  char header_extension[sizeof ".java"];
+  bool add_tab;
+};
+
+extern int language_prio;
+extern struct bison_language const *language;
+
+/*-----------.
+| --report.  |
+`-----------*/
+

 enum report
   {
     report_none             = 0,
     report_states           = 1 << 0,
     report_itemsets         = 1 << 1,
 enum report
   {
     report_none             = 0,
     report_states           = 1 << 0,
     report_itemsets         = 1 << 1,

-    report_lookaheads       = 1 << 2,
+    report_lookahead_tokens = 1 << 2,

     report_solved_conflicts = 1 << 3,
     report_all              = ~0
   };
     report_solved_conflicts = 1 << 3,
     report_all              = ~0
   };

+/** What appears in the *.output file.  */

 extern int report_flag;
 
 extern int report_flag;
 

+/*----------.
+| --trace.  |
+`----------*/
+enum trace
+  {
+    trace_none      = 0,       /**< No traces. */
+    trace_scan      = 1 << 0,  /**< Grammar scanner traces. */
+    trace_parse     = 1 << 1,  /**< Grammar parser traces. */
+    trace_resource  = 1 << 2,  /**< Memory allocation. */
+    trace_sets      = 1 << 3,  /**< Grammar sets: firsts, nullable etc. */
+    trace_bitsets   = 1 << 4,  /**< Use of bitsets. */
+    trace_tools     = 1 << 5,  /**< m4 invocation. */
+    trace_automaton = 1 << 6,  /**< Construction of the automaton. */
+    trace_grammar   = 1 << 7,  /**< Reading, reducing the grammar. */
+    trace_time      = 1 << 8,  /**< Time consumption. */
+    trace_skeleton  = 1 << 9,  /**< Skeleton postprocessing. */
+    trace_m4        = 1 << 10, /**< M4 traces. */
+    trace_muscles   = 1 << 11, /**< M4 definitions of the muscles. */
+    trace_ielr      = 1 << 12, /**< IELR conversion. */
+    trace_all       = ~0       /**< All of the above.  */
+  };
+/** What debug items bison displays during its run.  */
+extern int trace_flag;
+
+/*-------------.
+| --warnings.  |
+`-------------*/
+
+enum warnings
+  {
+    warnings_none             = 0,      /**< Issue no warnings.  */
+    warnings_error            = 1 << 0, /**< Warnings are treated as errors.  */
+    warnings_midrule_values   = 1 << 1, /**< Unset or unused midrule values.  */
+    warnings_yacc             = 1 << 2, /**< POSIXME.  */
+    warnings_conflicts_sr     = 1 << 3, /**< S/R conflicts.  */
+    warnings_conflicts_rr     = 1 << 4, /**< R/R conflicts.  */
+    warnings_other            = 1 << 5, /**< All other warnings.  */
+    warnings_all              = ~warnings_error /**< All above warnings.  */
+  };
+/** What warnings are issued.  */
+extern int warnings_flag;
+
+
+/** Process the command line arguments.
+ *
+ *  \param argc   size of \a argv
+ *  \param argv   list of arguments.
+ */

 void getargs (int argc, char *argv[]);
 
 void getargs (int argc, char *argv[]);
 

+/* Used by parse-gram.y.  */
+void language_argmatch (char const *arg, int prio, location loc);
+void skeleton_arg (const char *arg, int prio, location loc);
+
+/** In the string \c s, replace all characters \c from by \c to.  */
+void tr (char *s, char from, char to);
+

 #endif /* !GETARGS_H_ */
 #endif /* !GETARGS_H_ */