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authorJoel E. Denny <jdenny@clemson.edu>2009-07-24 09:59:42 -0400
committerJoel E. Denny <jdenny@clemson.edu>2009-07-24 10:13:59 -0400
commite459fb0e3ce6227005e6e3c40b0860685df6d3a9 (patch)
treef04b89942dab9527f69ace2113cca16ccbfb4331
parentc4be5517345d260a050ffddab9213d5e926b4876 (diff)
downloadbison-e459fb0e3ce6227005e6e3c40b0860685df6d3a9.tar.gz
* src/lalr.c (state_lookahead_tokens_count): Correct comment.
(cherry picked from commit 2de160e12ea0b0313a3a4f2120b30a3eeaad0c76)
-rw-r--r--ChangeLog4
-rw-r--r--src/lalr.c9
2 files changed, 9 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index e6388ea1..01870f6d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
+
+ * src/lalr.c (state_lookahead_tokens_count): Correct comment.
+
2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
Some M4 cleanup in the testsuite.
diff --git a/src/lalr.c b/src/lalr.c
index 26030866..fbd2800f 100644
--- a/src/lalr.c
+++ b/src/lalr.c
@@ -344,10 +344,11 @@ 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