2007-01-30 Paolo Bonzini <bonzini@gnu.org>

[bison.git] / src / state.h

diff --git a/src/state.h b/src/state.h
index 1e49bb384fa429cafff8270cb8c0e694f97538f0..a2ae217fa460d0a731f80d7fbcbd9d2525a8127d 100644 (file)
--- a/src/state.h
+++ b/src/state.h
@@ -1,7 +1,7 @@
 /* Type definitions for nondeterministic finite state machine for Bison.
 
-   Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software
-   Foundation, Inc.
+   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2003, 2004 Free
+   Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -17,8 +17,8 @@
 
    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.  */
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 
 /* These type definitions are used to represent a nondeterministic
@@ -94,8 +94,8 @@
 | Numbering states.  |
 `-------------------*/
 
-typedef short state_number;
-# define STATE_NUMBER_MAXIMUM SHRT_MAX
+typedef int state_number;
+# define STATE_NUMBER_MAXIMUM INT_MAX
 
 /* Be ready to map a state_number to an int.  */
 static inline int
@@ -113,7 +113,7 @@ typedef struct state state;
 
 typedef struct
 {
-  short num;
+  int num;
   state *states[1];
 } transitions;
 
@@ -160,9 +160,9 @@ typedef struct
     if (!TRANSITION_IS_DISABLED (Transitions, Iter))
 
 
-/* Return the state such SHIFTS contain a shift/goto to it on S.
+/* Return the state such SHIFTS contain a shift/goto to it on SYM.
    Abort if none found.  */
-struct state *transitions_to (transitions *shifts, symbol_number s);
+struct state *transitions_to (transitions *shifts, symbol_number sym);
 
 
 /*-------.
@@ -171,7 +171,7 @@ struct state *transitions_to (transitions *shifts, symbol_number s);
 
 typedef struct
 {
-  short num;
+  int num;
   symbol *symbols[1];
 } errs;
 
@@ -184,8 +184,8 @@ errs *errs_new (int num, symbol **tokens);
 
 typedef struct
 {
-  short num;
-  bitset *lookaheads;
+  int num;
+  bitset *lookahead_tokens;
   rule *rules[1];
 } reductions;
 
@@ -212,7 +212,7 @@ struct state
 
   /* Its items.  Must be last, since ITEMS can be arbitrarily large.
      */
-  unsigned short nitems;
+  size_t nitems;
   item_number items[1];
 };
 
@@ -234,9 +234,9 @@ int state_reduction_find (state *s, rule *r);
 /* Set the errs of STATE.  */
 void state_errs_set (state *s, int num, symbol **errors);
 
-/* Print on OUT all the lookaheads such that this STATE wants to
+/* Print on OUT all the lookahead tokens such that this STATE wants to
    reduce R.  */
-void state_rule_lookaheads_print (state *s, rule *r, FILE *out);
+void state_rule_lookahead_tokens_print (state *s, rule *r, FILE *out);
 
 /* Create/destroy the states hash table.  */
 void state_hash_new (void);