/* 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.
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); \
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); \
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
suspect that the value has yet influenced the output. */
void muscle_percent_define_default (char const *variable, char const *value);
-/* VALUES points to a sequence of strings that is partitioned into
- subsequences by NULL's, one terminating each subsequence. The last
- subsequence is followed by a second NULL. For each subsequence, the first
- string is the name of a %define variable, and all remaining strings in that
- subsequence 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. */
+/* 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