/*
* 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.FieldInfo;
import com.google.test.metric.LocalField;
import com.google.test.metric.Variable;
public class GetField extends StackOperation {
private final FieldInfo fieldInfo;
public GetField(int lineNumber, FieldInfo fieldInfo) {
super(lineNumber);
this.fieldInfo = fieldInfo;
}
@Override
public String toString() {
return "get " + (fieldInfo.isGlobal() ? "static " : "") + fieldInfo;
}
@Override
public int getOperatorCount() {
return fieldInfo.isGlobal() ? 0 : 1;
}
@Override
public List<Variable> apply(List<Variable> input) {
Variable instance = fieldInfo.isGlobal() ? null : input.get(0);
return list(new LocalField(instance, fieldInfo));
}
}