/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.test.metric.method.op.stack;
import java.util.List;
import com.google.test.metric.JavaType;
import com.google.test.metric.Type;
import com.google.test.metric.Variable;
import com.google.test.metric.method.Constant;
public class Convert extends StackOperation {
private final Type from;
private final Type to;
public Convert(int lineNumber, Type from, Type to) {
super(lineNumber);
this.from = from;
this.to = to;
}
@Override
public int getOperatorCount() {
return JavaType.isDoubleSlot(from) ? 2 : 1;
}
@Override
public List<Variable> apply(List<Variable> input) {
Variable variable = input.get(0);
return list(new Constant(variable.getName(), to));
}
@Override
public String toString() {
return "convert " + from + " -> " + to;
}
}