/*
* 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 Transform extends StackOperation {
private final String operation;
private final Type op1;
private final Type op2;
private final Type result;
public Transform(int lineNumber, String operation, Type op1, Type op2,
Type result) {
super(lineNumber);
this.operation = operation;
this.op1 = op1;
this.op2 = op2;
this.result = result;
}
@Override
public int getOperatorCount() {
return size(op1) + size(op2);
}
private int size(Type op) {
return op == null ? 0 : JavaType.isDoubleSlot(op) ? 2 : 1;
}
@Override
public List<Variable> apply(List<Variable> input) {
if (result == null) {
return super.apply(input);
} else {
return list(new Constant("?", result));
}
}
@Override
public String toString() {
String sep = " ";
String buf = operation;
if (op1 != null) {
buf += sep + op1;
sep = ", ";
}
if (op2 != null) {
buf += sep + op2;
}
if (result != null) {
buf += " -> " + result;
}
return buf;
}
}