X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/110ef36a1a93c60cc83627492de40cb95aedf9b1..7d424de14c0385012d328642bec6874c8e6cef17:/src/lalr.c
diff --git a/src/lalr.c b/src/lalr.c
index 857efe95..843d37a7 100644
--- a/src/lalr.c
+++ b/src/lalr.c
@@ -1,7 +1,7 @@
/* Compute lookahead criteria for Bison.
Copyright (C) 1984, 1986, 1989, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -19,8 +19,7 @@
along with this program. If not, see . */
-/* Compute how to make the finite state machine deterministic; find
- which rules need lookahead in each state, and which lookahead
+/* Find which rules need lookahead in each state, and which lookahead
tokens they accept. */
#include
@@ -344,10 +343,11 @@ state_lookahead_tokens_count (state *s, bool default_reduction_only_for_accept)
/* We need a lookahead either to distinguish different reductions
(i.e., there are two or more), or to distinguish a reduction from a
shift. Otherwise, it is straightforward, and the state is
- `consistent'. However, treat only the accepting state as
- consistent (because there is never a lookahead token that makes
- sense there, and so no lookahead token should be read) if the user
- has otherwise disabled default reductions. */
+ `consistent'. However, do not treat a state with any reductions as
+ consistent unless it is the accepting state (because there is never
+ a lookahead token that makes sense there, and so no lookahead token
+ should be read) if the user has otherwise disabled default
+ reductions. */
if (rp->num > 1
|| (rp->num == 1 && sp->num && TRANSITION_IS_SHIFT (sp, 0))
|| (rp->num == 1 && rp->rules[0]->number != 0
@@ -372,7 +372,7 @@ initialize_LA (void)
bool default_reduction_only_for_accept;
{
char *default_reductions =
- muscle_percent_define_get ("lr.default_reductions");
+ muscle_percent_define_get ("lr.default-reductions");
default_reduction_only_for_accept =
0 == strcmp (default_reductions, "accepting");
free (default_reductions);