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| author | dgp <dgp@users.sourceforge.net> | 2007-11-13 14:30:08 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2007-11-13 14:30:08 (GMT) |
| commit | 5d052711ae7530bf551da8ecc89a3aa5614ae4f2 (patch) | |
| tree | d229ebdba872bbd8c9b999adaf4939b220e0be1b /generic/regcomp.c | |
| parent | a7eab25d59444b0aa9cce14d593da3f2bb42eddf (diff) | |
| download | tcl-5d052711ae7530bf551da8ecc89a3aa5614ae4f2.zip tcl-5d052711ae7530bf551da8ecc89a3aa5614ae4f2.tar.gz tcl-5d052711ae7530bf551da8ecc89a3aa5614ae4f2.tar.bz2 | |
* generic/regcomp.c: Convert optst() from expensive no-op to a
cheap no-op.
Diffstat (limited to 'generic/regcomp.c')
| -rw-r--r-- | generic/regcomp.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/generic/regcomp.c b/generic/regcomp.c index b9169f9..7faf793 100644 --- a/generic/regcomp.c +++ b/generic/regcomp.c @@ -2103,6 +2103,7 @@ optst( struct vars *v, struct subre *t) { +#if 0 if (t == NULL) { return; } @@ -2117,6 +2118,15 @@ optst( if (t->right != NULL) { optst(v, t->right); } +#else + /* + * DGP (2007-11-13): I assume it was the programmer's intent to + * eventually come back and add code above to optimize subRE trees, + * but the routine coded just spends effort traversing the tree and + * doing nothing. We can do nothing with less effort. + */ + return; +#endif } /* |