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[bison.git] / src / muscle_tab.h

diff --git a/src/muscle_tab.h b/src/muscle_tab.h
index aafaaae539a4dbb5f7c92c8ba42d4394fc62ea35..2f1e51e6602cee8a01787e4ce43556c5421f7c19 100644 (file)
--- a/src/muscle_tab.h
+++ b/src/muscle_tab.h
@@ -1,22 +1,20 @@
 /* Muscle table manager for Bison,
 /* Muscle table manager for Bison,

-   Copyright (C) 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 2006, 2007, 2008 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
+   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
    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.
+   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,
+   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
    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 MUSCLE_TAB_H_
 # define MUSCLE_TAB_H_
 
 #ifndef MUSCLE_TAB_H_
 # define MUSCLE_TAB_H_


@@ -53,6 +51,7 @@ do {                                                          \
   muscle_insert (Key, obstack_finish (&muscle_obstack));       \
 } while(0)
 
   muscle_insert (Key, obstack_finish (&muscle_obstack));       \
 } while(0)
 

+/* Key -> Value, but don't apply escaping to Value. */

 #define MUSCLE_INSERT_STRING_RAW(Key, Value)                   \
 do {                                                           \
   obstack_sgrow (&muscle_obstack, Value);                      \
 #define MUSCLE_INSERT_STRING_RAW(Key, Value)                   \
 do {                                                           \
   obstack_sgrow (&muscle_obstack, Value);                      \


@@ -60,6 +59,7 @@ do {                                                          \
   muscle_insert (Key, obstack_finish (&muscle_obstack));       \
 } while(0)
 
   muscle_insert (Key, obstack_finish (&muscle_obstack));       \
 } while(0)
 

+/* Key -> Value, applying M4 escaping to Value. */

 #define MUSCLE_INSERT_STRING(Key, Value)                       \
 do {                                                           \
   MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value);                \
 #define MUSCLE_INSERT_STRING(Key, Value)                       \
 do {                                                           \
   MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value);                \


@@ -131,6 +131,35 @@ void muscle_user_name_list_grow (char const *key, char const *user_name,
 void muscle_percent_define_insert (char const *variable, location variable_loc,
                                    char const *value);
 
 void muscle_percent_define_insert (char const *variable, location variable_loc,
                                    char const *value);
 

+/* Mimic b4_percent_define_get in ../data/bison.m4 exactly.  That is, if the
+   %define variable VARIABLE is defined, return its value.  Otherwise, return
+   the empty string.  Also, record Bison's usage of VARIABLE by defining
+   b4_percent_define_bison_variables(VARIABLE).  The caller is responsible for
+   freeing the memory of the returned string.  */
+char *muscle_percent_define_get (char const *variable);
+
+/* Mimic muscle_percent_define_get_loc in ../data/bison.m4 exactly.  That is,
+   if the %define variable VARIABLE is undefined, complain fatally since that's
+   a Bison error.  Otherwise, return its definition location in a form
+   approriate for the first argument of warn_at, complain_at, or fatal_at.
+   Don't record this as a Bison usage of VARIABLE as there's no reason to
+   suspect that the user-supplied value has yet influenced the output.  */
+location muscle_percent_define_get_loc (char const *variable);
+
+/* Mimic muscle_percent_define_get_syncline in ../data/bison.m4 exactly.  That
+   is, if the %define variable VARIABLE is undefined, complain fatally since
+   that's a Bison error.  Otherwise, return its definition location as a
+   b4_syncline invocation.  Don't record this as a Bison usage of VARIABLE as
+   there's no reason to suspect that the user-supplied value has yet influenced
+   the output.  */
+char const *muscle_percent_define_get_syncline (char const *variable);
+
+/* Mimic b4_percent_define_ifdef in ../data/bison.m4 exactly.  That is, if the
+   %define variable VARIABLE is defined, return true.  Otherwise, return false.
+   Also, record Bison's usage of VARIABLE by defining
+   b4_percent_define_bison_variables(VARIABLE).  */
+bool muscle_percent_define_ifdef (char const *variable);
+

 /* Mimic b4_percent_define_flag_if in ../data/bison.m4 exactly.  That is, if
    the %define variable VARIABLE is defined to "" or "true", return true.  If
    it is defined to "false", return false.  Complain if it is undefined (a
 /* Mimic b4_percent_define_flag_if in ../data/bison.m4 exactly.  That is, if
    the %define variable VARIABLE is defined to "" or "true", return true.  If
    it is defined to "false", return false.  Complain if it is undefined (a


@@ -145,6 +174,19 @@ bool muscle_percent_define_flag_if (char const *variable);
    suspect that the value has yet influenced the output.  */
 void muscle_percent_define_default (char const *variable, char const *value);
 
    suspect that the value has yet influenced the output.  */
 void muscle_percent_define_default (char const *variable, char const *value);
 

+/* Mimic b4_percent_define_check_values in ../data/bison.m4 exactly except that
+   the VALUES structure is more appropriate for C.  That is, VALUES points to a
+   list of strings that is partitioned into sublists by NULL's, one terminating
+   each sublist.  The last sublist is followed by a second NULL.  For each
+   sublist, the first string is the name of a %define variable, and all
+   remaining strings in that sublist are the valid values for that variable.
+   Complain if such a variable is undefined (a Bison error since the default
+   value should have been set already) or defined to any other value (possibly
+   a user error).  Don't record this as a Bison usage of the variable as
+   there's no reason to suspect that the value has yet influenced the
+   output.  */
+void muscle_percent_define_check_values (char const * const *values);
+

 /* Grow the muscle for the %code qualifier QUALIFIER appearing at QUALIFIER_LOC
    in the grammar file with code CODE appearing at CODE_LOC.  Record this as a
    grammar occurrence of VARIABLE by invoking muscle_user_name_list_grow.  */
 /* Grow the muscle for the %code qualifier QUALIFIER appearing at QUALIFIER_LOC
    in the grammar file with code CODE appearing at CODE_LOC.  Record this as a
    grammar occurrence of VARIABLE by invoking muscle_user_name_list_grow.  */