/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.harmony.unpack200.bytecode.forms;
import org.apache.harmony.pack200.Pack200Exception;
import org.apache.harmony.unpack200.SegmentConstantPool;
import org.apache.harmony.unpack200.bytecode.ByteCode;
import org.apache.harmony.unpack200.bytecode.CPString;
import org.apache.harmony.unpack200.bytecode.ClassFileEntry;
import org.apache.harmony.unpack200.bytecode.OperandManager;
/**
* This class implements the byte code form for those bytecodes which have
* string references (and only string references).
*/
public class StringRefForm extends SingleByteReferenceForm {
public StringRefForm(int opcode, String name, int[] rewrite) {
super(opcode, name, rewrite);
}
public StringRefForm(int opcode, String name, int[] rewrite, boolean widened) {
this(opcode, name, rewrite);
this.widened = widened;
}
public int getOperandType() {
return TYPE_STRINGREF;
}
public boolean hasStringRefOperand() {
return true;
}
protected int getOffset(OperandManager operandManager) {
return operandManager.nextStringRef();
}
protected int getPoolID() {
return SegmentConstantPool.CP_STRING;
}
protected void setNestedEntries(ByteCode byteCode,
OperandManager operandManager, int offset) throws Pack200Exception {
final SegmentConstantPool globalPool = operandManager
.globalConstantPool();
ClassFileEntry[] nested = null;
nested = new ClassFileEntry[] { ((CPString) globalPool.getValue(
getPoolID(), offset)) };
byteCode.setNested(nested);
if (widened) {
byteCode.setNestedPositions(new int[][] { { 0, 2 } });
} else {
byteCode.setNestedPositions(new int[][] { { 0, 1 } });
}
}
}