public override ReturnExprCmd VisitReturnExprCmd(ReturnExprCmd node) {
//Contract.Requires(node != null);
Contract.Ensures(Contract.Result<ReturnExprCmd>() != null);
return base.VisitReturnExprCmd((ReturnExprCmd)node.Clone());
}
public override ReturnExprCmd VisitReturnExprCmd(ReturnExprCmd node)
{
Contract.Ensures(Contract.Result<ReturnExprCmd>() == node);
this.VisitExpr(node.Expr);
return node;
}
public virtual ReturnExprCmd VisitReturnExprCmd(ReturnExprCmd node) {
Contract.Requires(node != null);
Contract.Ensures(Contract.Result<ReturnExprCmd>() != null);
node.Expr = this.VisitExpr(node.Expr);
return node;
}
public TransferCmd CopyTransferCmd(TransferCmd cmd) {
Contract.Requires(cmd != null);
Contract.Ensures(Contract.Result<TransferCmd>() != null);
TransferCmd transferCmd;
GotoCmd gotocmd = cmd as GotoCmd;
if (gotocmd != null) {
Contract.Assert(gotocmd.labelNames != null);
List<String> labels = new List<String>();
labels.AddRange(gotocmd.labelNames);
transferCmd = new GotoCmd(cmd.tok, labels);
} else {
ReturnExprCmd returnExprCmd = cmd as ReturnExprCmd;
if (returnExprCmd != null)
{
transferCmd = new ReturnExprCmd(cmd.tok, CopyExpr(returnExprCmd.Expr));
}
else
{
transferCmd = new ReturnCmd(cmd.tok);
}
}
return transferCmd;
}
