yysyntax_error: fix for consistent error with lookahead.

[bison.git] / src / getargs.h

diff --git a/src/getargs.h b/src/getargs.h
index d54a40b5b1c0d92d1b6fc03a771fbd1831f30d87..9d439d04d268bbec9c5cd6c45affc57a22af397e 100644 (file)
--- a/src/getargs.h
+++ b/src/getargs.h
@@ -1,31 +1,36 @@
 /* Parse command line arguments for bison.
-   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004, 2005, 2006
-   Free Software Foundation, Inc.
+
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002, 2003, 2004,
+   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
 
    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
-   along with Bison; see the file COPYING.  If not, write to the Free
-   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef GETARGS_H_
 # define GETARGS_H_
 
+#include "location.h"
+
+extern char *program_name;
+enum { command_line_prio, grammar_prio, default_prio };
+
 /* flags set by % directives */
 
 /* for -S */
 extern char const *skeleton;
+extern int skeleton_prio;
 
 /* for -I */
 extern char const *include;
@@ -33,9 +38,9 @@ extern char const *include;
 extern bool debug_flag;                        /* for -t */
 extern bool defines_flag;              /* for -d */
 extern bool graph_flag;                        /* for -g */
+extern bool xml_flag;                  /* for -x */
 extern bool locations_flag;
 extern bool no_lines_flag;             /* for -l */
-extern bool no_parser_flag;            /* for -n */
 extern bool token_table_flag;          /* for -k */
 extern bool yacc_flag;                 /* for -y */
 
@@ -48,16 +53,6 @@ extern bool error_verbose;
 
 extern bool glr_parser;
 
-/* PURE_PARSER is true if should generate a parser that is all pure
-   and reentrant.  */
-
-extern bool pure_parser;
-
-/* PUSH_PARSER is true if should generate a parser that is capable of being
-   called asynchronously.  Is must be pure and reentrant.  */
-
-extern bool push_parser;
-
 /* NONDETERMINISTIC_PARSER is true iff conflicts are accepted.  This
    is used by the GLR parser, and might be used in BackTracking
    parsers too.  */
@@ -65,6 +60,19 @@ extern bool push_parser;
 extern bool nondeterministic_parser;
 
 
+/* --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.  |
 `-----------*/
@@ -98,6 +106,8 @@ enum trace
     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.  */
@@ -111,8 +121,9 @@ enum warnings
   {
     warnings_none             = 0,      /**< Issue no warnings.  */
     warnings_error            = 1 << 0, /**< Warnings are treated as errors.  */
-    warnings_yacc             = 1 << 1, /**< POSIXME.  */
-    warnings_all              = ~0      /**< All of the above.  */
+    warnings_midrule_values   = 1 << 1, /**< Unset or unused midrule values.  */
+    warnings_yacc             = 1 << 2, /**< POSIXME.  */
+    warnings_all              = ~warnings_error /**< All above warnings.  */
   };
 /** What warnings are issued.  */
 extern int warnings_flag;
@@ -125,4 +136,11 @@ extern int warnings_flag;
  */
 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_ */