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Improve regex performance on msvc by removing statically allocated recursion stack, and using a std::vector instead.

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[SVN r59414]
This commit is contained in:
John Maddock
2010-02-01 13:10:28 +00:00
parent c8e56504d9
commit d686c89333
5 changed files with 63 additions and 51 deletions
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include/boost/regex/v4/perl_matcher_common.hpp
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@ -735,7 +735,7 @@ inline bool perl_matcher<BidiIterator, Allocator, traits>::match_assert_backref(
int id = -index-1;
if(id >= 10000)
id = re.get_data().get_id(id);
result = recursion_stack_position && ((recursion_stack[recursion_stack_position-1].id == id) || (index == 0));
result = !recursion_stack.empty() && ((recursion_stack.back().id == id) || (index == 0));
pstate = pstate->next.p;
}
return result;