Ben Fritz wrote:
On Wednesday, October 9, 2013 10:09:05 AM UTC-5, Julian Taylor wrote:
Is easytag just doing the highlight regex wrong or is this a issue in the new
engine?
the regex used looks like this:
syntax match cFunctionTag
/\C\<\%(cpl_column_get_mean_complex\|cx_tree_previous\|cpl_table_copy_data_int\|cpl_table_get_column_format\|cx_map_erase_range\|cpl_table_divide_columns
....
I think this is a perfect example of a case where the old regex engine SHOULD
do better. In this case, you have a bunch of literal matches with very little
if any backtracking, and the number of possible matches is so large that there
will be many many states added in the new engine, none of which will normally
match.
Bram, are you still planning on making the automatic selection of regex engine
based on which one is probably going to be faster? This might be a good first
type of pattern to trigger selection of the old engine.
A caveat: this looks like a situation where "syntax keyword" should be
used instead of "syntax match".
Regards,
C Campbell
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