internal override void Walk(EmitContext ec) { if (ec.Emitting) { Label skip_label = ec.DefineLabel(); nd1st.Walk(ec); ec.EmitDup(); LocalBuilder first = ec.EmitStoreTemp(); ec.EmitBranchIfTrue(skip_label); nd2nd.Walk(ec); ec.EmitDup(); LocalBuilder second = ec.EmitStoreTemp(); ec.EmitBranchIfTrue(skip_label); ec.EmitLoadTemp(second); ec.EmitStoreTemp(first); ec.MarkLabel(skip_label); ec.EmitLoadTemp(first); } else { nd1st.Walk(ec); nd2nd.Walk(ec); } }
internal override void Walk(EmitContext ec) { if(ec.Emitting) { Label skip_label = ec.DefineLabel(); nd1st.Walk(ec); ec.EmitDup(); LocalBuilder first = ec.EmitStoreTemp(); ec.EmitBranchIfTrue(skip_label); nd2nd.Walk(ec); ec.EmitDup(); LocalBuilder second = ec.EmitStoreTemp(); ec.EmitBranchIfTrue(skip_label); ec.EmitLoadTemp(second); ec.EmitStoreTemp(first); ec.MarkLabel(skip_label); ec.EmitLoadTemp(first); } else { nd1st.Walk(ec); nd2nd.Walk(ec); } }