Fix push parsing memory leak reported by Brandon Lucia at

[bison.git] / src / lalr.h

diff --git a/src/lalr.h b/src/lalr.h
index fe148d035fdabd64a5672188d83404f697ed6463..3fb2ca2f3e5ef520cfb0a9e35fddae225834be16 100644 (file)
--- a/src/lalr.h
+++ b/src/lalr.h
@@ -1,6 +1,6 @@
 /* Compute lookahead criteria for bison,
 
-   Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006 Free Software
+   Copyright (C) 1984, 1986, 1989, 2000, 2002, 2004, 2006, 2007 Free Software
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
@@ -46,6 +46,18 @@
 */
 void lalr (void);
 
+/**
+ * Update state numbers recorded in #goto_map, #from_state, and #to_state such
+ * that:
+ *   - \c nstates_old is the old number of states.
+ *   - Where \c i is the old state number, <tt>old_to_new[i]</tt> is either:
+ *     - \c nstates_old if state \c i is removed because it is unreachable.
+ *       Thus, remove all goto entries involving this state.
+ *     - The new state number.
+ */
+void lalr_update_state_numbers (state_number old_to_new[],
+                                state_number nstates_old);
+
 
 /** Release the information related to lookahead tokens.