diff options
| -rw-r--r-- | xmlregexp.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/xmlregexp.c b/xmlregexp.c index 5638ddc6..ddae0851 100644 --- a/xmlregexp.c +++ b/xmlregexp.c @@ -1864,7 +1864,32 @@ xmlFAReduceEpsilonTransitions(xmlRegParserCtxtPtr ctxt, int fromnr, } } } +} + +/** + * xmlFAFinishReduceEpsilonTransitions: + * @ctxt: a regexp parser context + * @fromnr: the from state + * @tonr: the to state + * @counter: should that transition be associated to a counted + * + */ +static void +xmlFAFinishReduceEpsilonTransitions(xmlRegParserCtxtPtr ctxt, int tonr) { + int transnr; + xmlRegStatePtr to; + + to = ctxt->states[tonr]; + if ((to->mark == XML_REGEXP_MARK_START) || + (to->mark == XML_REGEXP_MARK_NORMAL)) + return; + to->mark = XML_REGEXP_MARK_NORMAL; + for (transnr = 0;transnr < to->nbTrans;transnr++) { + xmlRegTransPtr t1 = &to->trans[transnr]; + if ((t1->to >= 0) && (t1->atom == NULL)) + xmlFAFinishReduceEpsilonTransitions(ctxt, t1->to); + } } /** @@ -2016,6 +2041,7 @@ xmlFAEliminateEpsilonTransitions(xmlRegParserCtxtPtr ctxt) { state->mark = XML_REGEXP_MARK_START; xmlFAReduceEpsilonTransitions(ctxt, statenr, newto, state->trans[transnr].counter); + xmlFAFinishReduceEpsilonTransitions(ctxt, newto); state->mark = XML_REGEXP_MARK_NORMAL; #ifdef DEBUG_REGEXP_GRAPH } else { |