Make it possible to parse very large paramter files and to do it quickly.

git-svn-id: http://svn.cactuscode.org/flesh/trunk@5086 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 2 insertions, 3 deletions

diff --git a/src/piraha/Or.cc b/src/piraha/Or.cc
index d9633e3e..6195958a 100644
--- a/src/piraha/Or.cc
+++ b/src/piraha/Or.cc
@@ -22,11 +22,10 @@ Or::Or(Pattern *p,...) : patterns() {
 bool Or::match(Matcher *m) {
     typedef vector<smart_ptr<Pattern> >::iterator pattern_iter;
     int save = m->pos;
-    vector<smart_ptr<Group> > chSave;
-    chSave = m->children;
+    int chSave = m->children->size();
     for(pattern_iter p = patterns.begin();p != patterns.end();++p) {
         m->pos = save;
-        m->children = chSave;
+        m->children->resize(chSave);
         if((*p)->match(m))
             return true;
     }