X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/720d742f8e74acf1ade85a7d39c02fa5b9528b5a..459dd1a681b30ec258e27b1dbc7319ceddbf3532:/src/lalr.h

diff --git a/src/lalr.h b/src/lalr.h
index 4f11cc51..8f031cda 100644
--- a/src/lalr.h
+++ b/src/lalr.h
@@ -1,5 +1,5 @@
 /* Compute look-ahead criteria for bison,
-   Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
+   Copyright 1984, 1986, 1989, 2000 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -21,6 +21,11 @@
 #ifndef LALR_H_
 # define LALR_H_
 
+
+/* Import the definition of CORE, SHIFTS and REDUCTIONS. */
+# include "state.h"
+
+
 /* Compute how to make the finite state machine deterministic; find
    which rules need lookahead in each state, and which lookahead
    tokens they accept.  */
@@ -30,14 +35,15 @@ void lalr PARAMS ((void));
 
 /* lalr() builds these data structures. */
 
-/* goto_map, from_state and to_state --record each shift transition
+/* GOTO_MAP, FROM_STATE and TO_STATE -- record each shift transition
    which accepts a variable (a nonterminal).
 
-   from_state[t] is the state number which a transition leads from and
-   to_state[t] is the state number it leads to.  All the transitions
-   that accept a particular variable are grouped together and
-   goto_map[i - ntokens] is the index in from_state and to_state of
-   the first of them.  */
+   FROM_STATE[T] -- state number which a transition leads from.
+   TO_STATE[T] -- state number it leads to.
+
+   All the transitions that accept a particular variable are grouped
+   together and GOTO_MAP[I - NTOKENS] is the index in FROM_STATE and
+   TO_STATE of the first of them.  */
 
 extern short *goto_map;
 extern short *from_state;