public virtual void EndCurrentClosure(CurrentClosure cc) {
if (cc != null){
//TODO: factor out the code for constructing the closure class, so that this elaborate setup is not necessary
Checker checker = new Checker(null, this.typeSystem, null, null, null);
checker.currentType = this.typeSystem.currentType = this.currentType;
checker.currentMethod = this.currentMethod;
Block oldBody = cc.Method.Body;
TypeNode yieldType = this.typeSystem.GetStreamElementType(cc.Type, this.TypeViewer);
cc.Method.Body = new Block(new StatementList(new Yield(new Literal(null, yieldType))));
checker.VisitMethod(cc.Method);
Return ret = cc.Method.Body.Statements[0] as Return;
Debug.Assert(ret != null);
if (ret != null) {
ConstructIterator ci = ret.Expression as ConstructIterator;
Debug.Assert(ci != null);
if (ci != null) {
ci.Body = oldBody;
cc.Method.Body.Scope = oldBody.Scope;
this.VisitMethod(cc.Method);
}
}
}
}