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prefilter: workaround for \b in UCP and !UTF8 mode

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For now, just drop the assertion (which will still return a superset of
matches, as per prefiltering semantics).
This commit is contained in:
Justin Viiret 2017-01-18 11:33:57 +11:00 committed by Matthew Barr
parent 734eb2ce62
commit cacf07fe9b
1 changed files with 10 additions and 0 deletions
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10
src/parser/prefilter.cpp
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@ -295,6 +295,16 @@ public:
Component *visit(ComponentWordBoundary *c) override { Component *visit(ComponentWordBoundary *c) override {
assert(c); assert(c);
// TODO: Right now, we do not have correct code for resolving these
// when prefiltering is on, UCP is on, and UTF-8 is *off*. For now, we
// just replace with an empty sequence (as that will return a superset
// of matches).
if (mode.ucp && !mode.utf8) {
return new ComponentSequence();
}
// All other cases can be prefiltered.
c->setPrefilter(true); c->setPrefilter(true);
return c; return c;
} }