+ /*@Override
+ protected Object reduceConstraintSpec() {
+ Expression[] expressions = new Expression[length()/2-1];
+ for(int i=0;i<expressions.length;++i)
+ expressions[i] = (Expression)get(2*i+1);
+ return expressions;
+ }*/
+
+ @Override
+ protected Object reduceCHRSelect() {
+ return new EPreCHRSelect((CHRAstQuery)get(3), (Expression)get(1));
+ }
+
+ @Override
+ protected Object reduceCHRAtom() {
+ return CHRAstAtom.atom((Expression)get(0));
+ }
+
+ @Override
+ protected Object reduceCHREquals() {
+ return new CHRAstEquals((Expression)get(0), (Expression)get(2));
+ }
+
+ @Override
+ protected Object reduceCHRBinds() {
+ return new CHRAstBinds((Expression)get(0), (Expression)get(2));
+ }
+
+ @Override
+ protected Object reduceCHRConjunction() {
+ CHRAstQuery[] conjuncts = new CHRAstQuery[(length()+1)/2];
+ for(int i=0;i<conjuncts.length;++i)
+ conjuncts[i] = (CHRAstQuery)get(i*2);
+ return CHRAstConjunction.conjunction(conjuncts);
+ }
+
+ @Override
+ protected Object reduceVerboseCHRConjunction() {
+ CHRAstQuery[] conjuncts = new CHRAstQuery[(length()-1)/2];
+ for(int i=0;i<conjuncts.length;++i)
+ conjuncts[i] = (CHRAstQuery)get(i*2+1);
+ return CHRAstConjunction.conjunction(conjuncts);
+ }
+
+ @Override
+ protected Object reduceVerboseCHRStatement() {
+ return new CHRStatement((CHRAstQuery)get(1), (CHRAstQuery)get(3));
+ }
+
+ @Override
+ protected Object reduceCHRStatement() {
+ return new CHRStatement((CHRAstQuery)get(0), (CHRAstQuery)get(2));
+ }
+