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author | Joel E. Denny <jdenny@clemson.edu> | 2009-07-24 09:59:42 -0400 |
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committer | Joel E. Denny <jdenny@clemson.edu> | 2009-07-24 10:13:59 -0400 |
commit | e459fb0e3ce6227005e6e3c40b0860685df6d3a9 (patch) | |
tree | f04b89942dab9527f69ace2113cca16ccbfb4331 | |
parent | c4be5517345d260a050ffddab9213d5e926b4876 (diff) | |
download | bison-e459fb0e3ce6227005e6e3c40b0860685df6d3a9.tar.gz |
* src/lalr.c (state_lookahead_tokens_count): Correct comment.
(cherry picked from commit 2de160e12ea0b0313a3a4f2120b30a3eeaad0c76)
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | src/lalr.c | 9 |
2 files changed, 9 insertions, 4 deletions
@@ -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. @@ -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 |