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Thanks for the kind offer. I understand a bit more about the Perl executable now, and I understand why, in the only previous info I could find on the subject (a Nick Ing-Simmons p5p post), it's stated that you can't do this without "faking an op".

There doesn't appear to be prior art for this. While I don't happen to have a greppable mirror, Google indexes .pm, .xs, .c, and .h files, and a Google search for those terms limited to doesn't turn up anything useful.

I banged my head against pp_hot.c for a while, but there's just too many things I don't understand yet. It will be a happy day when I figure out what a "shrieking SV" is. :) An awful lot happens in pp_match, so the right route is presumably "fake an op" and call pp_match directly, rather than duplicate its innards.

However, manipulation of the op tree is beyond me right now. It doesn't look like this is as simple as calling a couple macros that aren't listed in perlapi, and while I'm very interested in continuing to study the subject, I haven't got time right now to dig this deep in one go. Thanks a bunch for helping me to frame the problem.

Marvin Humphrey
Rectangular Research ―

In reply to Re^2: Regex from XS by creamygoodness
in thread Regex from XS by creamygoodness

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