X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2b5ff972bf1e77f1b174345ce0e9500d639c326b..5ea72c19daec27f1213c4292134c40f81d956fb3:/src/muscle_tab.h

diff --git a/src/muscle_tab.h b/src/muscle_tab.h
index 35038c78..0a772160 100644
--- a/src/muscle_tab.h
+++ b/src/muscle_tab.h
@@ -1,93 +1,197 @@
 /* Muscle table manager for Bison,
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2006-2007, 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
+   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 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
-   along with Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef MUSCLE_TAB_H_
 # define MUSCLE_TAB_H_
 
+# include "location.h"
+
 void muscle_init (void);
-void muscle_insert (const char *key, char *value);
-char *muscle_find (const char *key);
+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);
 
 
 /* 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);					\
+} while(0)
+
 #define MUSCLE_INSERT_INT(Key, Value)				\
-{								\
-  obstack_fgrow1 (&muscle_obstack, "%d", Value);	       	\
+do {								\
+  obstack_fgrow1 (&muscle_obstack, "%d", Value);		\
   obstack_1grow (&muscle_obstack, 0);				\
   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
-}
+} while(0)
 
 #define MUSCLE_INSERT_LONG_INT(Key, Value)			\
-{								\
-  obstack_fgrow1 (&muscle_obstack, "%ld", Value);	       	\
+do {								\
+  obstack_fgrow1 (&muscle_obstack, "%ld", Value);		\
   obstack_1grow (&muscle_obstack, 0);				\
   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)			\
-{								\
-  char const *s;						\
-  for (s = Value; *s; s++)					\
-    switch (*s)							\
+do {								\
+  char const *p;						\
+  for (p = Value; *p; p++)					\
+    switch (*p)							\
       {								\
       case '$':	obstack_sgrow (Obstack, "$]["); break;		\
       case '@':	obstack_sgrow (Obstack, "@@" ); break;		\
       case '[':	obstack_sgrow (Obstack, "@{" ); break;		\
       case ']':	obstack_sgrow (Obstack, "@}" ); break;		\
-      default: obstack_1grow (Obstack, *s); break;		\
+      default: obstack_1grow (Obstack, *p); break;		\
       }								\
-}
+} while(0)
 
 #define MUSCLE_INSERT_C_STRING(Key, Value)			\
-{								\
+do {								\
   MUSCLE_OBSTACK_SGROW (&muscle_obstack,			\
 			quotearg_style (c_quoting_style,	\
 					Value));		\
   obstack_1grow (&muscle_obstack, 0);				\
   muscle_insert (Key, obstack_finish (&muscle_obstack));	\
-}
+} while(0)
 
-/* Insert (KEY, VALUE).  If KEY already existed, overwrite the
-   previous value.  Uses MUSCLE_OBSTACK.  De-allocates the previously
-   associated value.  VALUE and SEPARATOR are copied.  */
+/* Append VALUE to the current value of KEY.  If KEY did not already
+   exist, create it.  Use MUSCLE_OBSTACK.  De-allocate the previously
+   associated value.  Copy VALUE and SEPARATOR.  */
 
 void muscle_grow (const char *key, const char *value, const char *separator);
 
-/* 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.  */
 
+/* Append VALUE to the current value of KEY, using muscle_grow.  But
+   in addition, issue a synchronization line for the location LOC.  */
+
+void muscle_code_grow (const char *key, const char *value, location loc);
+
+
+/* MUSCLE is an M4 list of pairs.  Create or extend it with the pair
+   (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 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
+   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);
+
+/* 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.  */
+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_ */