From: Paul Eggert <eggert@cs.ucla.edu>
To: bug-gnulib@gnu.org, emacs-devel@gnu.org
Cc: Paul Eggert <eggert@cs.ucla.edu>
Subject: [PATCH 1/4] dfa: omit unnecessary allocation
Date: Tue, 10 Jan 2017 02:13:29 -0800 [thread overview]
Message-ID: <20170110101332.15354-1-eggert@cs.ucla.edu> (raw)
* lib/dfa.c (dfaanalyze): Do not allocate follow set, since
an all-zero follow set works just fine.
---
ChangeLog | 4 ++++
lib/dfa.c | 2 --
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index f0cd277..beeefb7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2017-01-09 Paul Eggert <eggert@cs.ucla.edu>
+ dfa: omit unnecessary allocation
+ * lib/dfa.c (dfaanalyze): Do not allocate follow set, since
+ an all-zero follow set works just fine.
+
dfa: omit unused local
* lib/dfa.c (build_state): Fix up recent change.
diff --git a/lib/dfa.c b/lib/dfa.c
index e8cb6bb..b27bef4 100644
--- a/lib/dfa.c
+++ b/lib/dfa.c
@@ -2501,8 +2501,6 @@ dfaanalyze (struct dfa *d, bool searchflag)
firstpos->index = lastpos->index = i;
firstpos->constraint = lastpos->constraint = NO_CONSTRAINT;
- /* Allocate the follow set for this position. */
- alloc_position_set (&d->follows[i], 1);
break;
}
#ifdef DEBUG
--
2.9.3
next reply other threads:[~2017-01-10 10:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-10 10:13 Paul Eggert [this message]
2017-01-10 10:13 ` [PATCH 2/4] dfa: omit unnecessary ptrdiff_t check Paul Eggert
2017-01-10 10:13 ` [PATCH 3/4] dfa: shrink constraints from 4 bits to 3 Paul Eggert
2017-01-10 10:13 ` [PATCH 4/4] dfa: minor simplification with emptyset Paul Eggert
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