/* Muscle table manager for Bison,
- Copyright (C) 2001-2003, 2006-2007, 2009-2012 Free Software
- Foundation, Inc.
+ Copyright (C) 2001-2003, 2006-2013 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
/* An obstack dedicated to receive muscle keys and values. */
extern struct obstack muscle_obstack;
-#define MUSCLE_INSERT_BOOL(Key, Value) \
- do { \
- int v = Value; \
- MUSCLE_INSERT_INT (Key, v); \
+# define MUSCLE_INSERT_BOOL(Key, Value) \
+ do { \
+ int v__ = Value; \
+ MUSCLE_INSERT_INT (Key, v__); \
} while (0)
-#define MUSCLE_INSERT_INT(Key, Value) \
+# define MUSCLE_INSERTF(Key, Format, Value) \
do { \
- obstack_printf (&muscle_obstack, "%d", Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+ obstack_printf (&muscle_obstack, Format, Value); \
+ muscle_insert (Key, obstack_finish0 (&muscle_obstack)); \
} while (0)
-#define MUSCLE_INSERT_LONG_INT(Key, Value) \
- do { \
- obstack_printf (&muscle_obstack, "%ld", Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
- } while (0)
+# define MUSCLE_INSERT_INT(Key, Value) \
+ MUSCLE_INSERTF(Key, "%d", Value)
-#define MUSCLE_INSERT_STRING_RAW(Key, Value) \
- do { \
- obstack_sgrow (&muscle_obstack, Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
- } while (0)
+# define MUSCLE_INSERT_LONG_INT(Key, Value) \
+ MUSCLE_INSERTF(Key, "%ld", Value)
+
+/* Key -> Value, but don't apply escaping to Value. */
+# define MUSCLE_INSERT_STRING_RAW(Key, Value) \
+ MUSCLE_INSERTF(Key, "%s", Value)
-#define MUSCLE_INSERT_STRING(Key, Value) \
+/* Key -> Value, applying M4 escaping to Value. */
+# define MUSCLE_INSERT_STRING(Key, Value) \
do { \
obstack_escape (&muscle_obstack, Value); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+ muscle_insert (Key, obstack_finish0 (&muscle_obstack)); \
} while (0)
-#define MUSCLE_INSERT_C_STRING(Key, Value) \
+# define MUSCLE_INSERT_C_STRING(Key, Value) \
do { \
obstack_escape (&muscle_obstack, \
quotearg_style (c_quoting_style, Value)); \
- obstack_1grow (&muscle_obstack, 0); \
- muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+ muscle_insert (Key, obstack_finish0 (&muscle_obstack)); \
} while (0)
/* Append VALUE to the current value of KEY. If KEY did not already
char const *value,
muscle_percent_define_how how);
+/* Make sure that VARIABLE is set to the boolean VALUE. Warn on mismatches
+ only, but accept repeated declaration. Used for backward compatibility
+ between old directives such as %pure-parser, and the recommended use of
+ variables (%define api.pure). */
+void muscle_percent_define_ensure (char const *variable, location variable_loc,
+ bool 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