/* Muscle table manager for Bison,
- Copyright (C) 2001, 2002, 2003, 2006 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2006, 2007 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
void muscle_init (void);
void muscle_insert (char const *key, char const *value);
+char const *muscle_find_const (char const *key);
char *muscle_find (char const *key);
void muscle_free (void);
muscle_insert (Key, obstack_finish (&muscle_obstack)); \
} while(0)
-#define MUSCLE_INSERT_STRING(Key, 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_STRING(Key, Value) \
+do { \
+ MUSCLE_OBSTACK_SGROW (&muscle_obstack, Value); \
+ obstack_1grow (&muscle_obstack, 0); \
+ muscle_insert (Key, obstack_finish (&muscle_obstack)); \
+} while(0)
+
#define MUSCLE_OBSTACK_SGROW(Obstack, Value) \
do { \
char const *p; \
/* MUSCLE is an M4 list of pairs. Create or extend it with the pair
- (A1, A2). Note that because the muscle values are output *double*
- quoted, one needs to strip the first level of quotes to reach the
- list itself. */
-
+ (A1, A2) after escaping both values with digraphs. Note that because the
+ muscle values are output *double* quoted, one needs to strip the first level
+ of quotes to reach the list itself. */
void muscle_pair_list_grow (const char *muscle,
const char *a1, const char *a2);
+/* In the format `[[file_name:line.column]], [[file_name:line.column]]', append
+ LOC to MUSCLE. Use digraphs for special characters in each file name. */
+void muscle_location_grow (char const *key, location loc);
+
+/* In the format `file_name:line.column', append BOUND to MUSCLE. Use digraphs
+ for special characters in the file name. */
+void muscle_boundary_grow (char const *key, boundary bound);
+
+/* Grow KEY for the occurrence of the name USER_NAME at LOC appropriately for
+ use with b4_check_user_names in ../data/bison.m4. USER_NAME is not escaped
+ with digraphs, so it must not contain `[' or `]'. */
+void muscle_user_name_list_grow (char const *key, char const *user_name,
+ location loc);
+
+/* Define the muscle for the %define variable VARIABLE appearing at
+ VARIABLE_LOC in the grammar file with value VALUE. Warn if VARIABLE is
+ already defined. Record this as a grammar occurrence of VARIABLE by
+ invoking muscle_user_name_list_grow. */
+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 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
+ Bison error since the default value should have been set already) or defined
+ to any other value (possibly a user error). Also, record Bison's usage of
+ VARIABLE by defining b4_percent_define_bison_variables(VARIABLE). */
+bool muscle_percent_define_flag_if (char const *variable);
+
+/* Mimic b4_percent_define_default in ../data/bison.m4 exactly. That is, if
+ the %define variable VARIABLE is undefined, set its value to VALUE.
+ Don't record this as a Bison usage of VARIABLE as there's no reason to
+ 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. */
+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. */
+void muscle_percent_code_grow (char const *qualifier, location qualifier_loc,
+ char const *code, location code_loc);
+
void muscles_m4_output (FILE *out);
#endif /* not MUSCLE_TAB_H_ */
projects / bison.git / blobdiff