org.jetbrains.java.decompiler.code.optinstructions.ILOAD Maven / Gradle / Ivy
/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* 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 org.jetbrains.java.decompiler.code.optinstructions;
import org.jetbrains.java.decompiler.code.Instruction;
import java.io.DataOutputStream;
import java.io.IOException;
public class ILOAD extends Instruction {
private static final int[] opcodes = new int[]{opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3};
public void writeToStream(DataOutputStream out, int offset) throws IOException {
int index = getOperand(0);
if (index > 3) {
if (wide) {
out.writeByte(opc_wide);
}
out.writeByte(opc_iload);
if (wide) {
out.writeShort(index);
}
else {
out.writeByte(index);
}
}
else {
out.writeByte(opcodes[index]);
}
}
public int length() {
int index = getOperand(0);
if (index > 3) {
return wide ? 4 : 2;
}
else {
return 1;
}
}
}