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Add support for PRUNE and SKIP (no MARK's though).

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This commit is contained in:
jzmaddock
2015-10-01 18:34:59 +01:00
parent 83140ddbed
commit 9a36e035f2
7 changed files with 132 additions and 20 deletions
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52
include/boost/regex/v4/basic_regex_parser.hpp
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@ -2760,7 +2760,57 @@ bool basic_regex_parser<charT, traits>::parse_perl_verb()
return false;
}
++m_position;
this->append_state(syntax_element_commit);
static_cast<re_commit*>(this->append_state(syntax_element_commit, sizeof(re_commit)))->action = commit_commit;
this->m_pdata->m_disable_match_any = true;
return true;
}
break;
case 'P':
if(++m_position == m_end)
{
// Rewind to start of (* sequence:
--m_position;
while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position;
fail(regex_constants::error_perl_extension, m_position - m_base);
return false;
}
if(match_verb("RUNE"))
{
if((m_position == m_end) || (this->m_traits.syntax_type(*m_position) != regex_constants::syntax_close_mark))
{
// Rewind to start of (* sequence:
--m_position;
while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position;
fail(regex_constants::error_perl_extension, m_position - m_base);
return false;
}
++m_position;
static_cast<re_commit*>(this->append_state(syntax_element_commit, sizeof(re_commit)))->action = commit_prune;
this->m_pdata->m_disable_match_any = true;
return true;
}
break;
case 'S':
if(++m_position == m_end)
{
// Rewind to start of (* sequence:
--m_position;
while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position;
fail(regex_constants::error_perl_extension, m_position - m_base);
return false;
}
if(match_verb("KIP"))
{
if((m_position == m_end) || (this->m_traits.syntax_type(*m_position) != regex_constants::syntax_close_mark))
{
// Rewind to start of (* sequence:
--m_position;
while(this->m_traits.syntax_type(*m_position) != regex_constants::syntax_open_mark) --m_position;
fail(regex_constants::error_perl_extension, m_position - m_base);
return false;
}
++m_position;
static_cast<re_commit*>(this->append_state(syntax_element_commit, sizeof(re_commit)))->action = commit_skip;
this->m_pdata->m_disable_match_any = true;
return true;
}