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fernflower/src/org/jetbrains/java/decompiler/code/optinstructions/BIPUSH.java

35 lines
947 B

// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.java.decompiler.code.optinstructions;
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import org.jetbrains.java.decompiler.code.Instruction;
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import java.io.DataOutputStream;
import java.io.IOException;
public class BIPUSH extends Instruction {
private static final int[] opcodes =
new int[]{opc_iconst_m1, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5};
public void writeToStream(DataOutputStream out, int offset) throws IOException {
int value = getOperand(0);
if (value < -1 || value > 5) {
out.writeByte(opc_bipush);
out.writeByte(value);
}
else {
out.writeByte(opcodes[value + 1]);
}
}
public int length() {
int value = getOperand(0);
if (value < -1 || value > 5) {
return 2;
}
else {
return 1;
}
}
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}