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Get THEN working for non-recursive implementation.

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Fix various bugs in the other verbs exposed by new tests.
This commit is contained in:
jzmaddock
2015-10-04 19:28:25 +01:00
parent 9a36e035f2
commit 7a4e883675
5 changed files with 105 additions and 49 deletions
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10
include/boost/regex/v4/perl_matcher.hpp
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@ -446,6 +446,7 @@ private:
bool match_fail();
bool match_accept();
bool match_commit();
bool match_then();
bool skip_until_paren(int index, bool match = true);
// find procs stored in s_find_vtable:
@ -534,6 +535,7 @@ private:
bool unwind_recursion(bool);
bool unwind_recursion_pop(bool);
bool unwind_commit(bool);
bool unwind_then(bool);
void destroy_single_repeat();
void push_matched_paren(int index, const sub_match<BidiIterator>& sub);
void push_recursion_stopper();
@ -549,13 +551,17 @@ private:
saved_state* m_stack_base;
// pointer to current stack position:
saved_state* m_backup_state;
// how many memory blocks have we used up?:
unsigned used_block_count;
// determines what value to return when unwinding from recursion,
// allows for mixed recursive/non-recursive algorithm:
bool m_recursive_result;
// how many memory blocks have we used up?:
unsigned used_block_count;
// We have unwound to a lookahead/lookbehind, used by COMMIT/PRUNE/SKIP:
bool m_unwound_lookahead;
// We have unwound to an alternative, used by THEN:
bool m_unwound_alt;
// We are unwinding a commit - used by independent subs to determine whether to stop there or carry on unwinding:
//bool m_unwind_commit;
#endif
// these operations aren't allowed, so are declared private,