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/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.impl;
public class IntConstant extends Constant {
int value;
private static final IntConstant MIN_VALUE = new IntConstant(Integer.MIN_VALUE);
private static final IntConstant MINUS_FOUR = new IntConstant(-4);
private static final IntConstant MINUS_THREE = new IntConstant(-3);
private static final IntConstant MINUS_TWO = new IntConstant(-2);
private static final IntConstant MINUS_ONE = new IntConstant(-1);
private static final IntConstant ZERO = new IntConstant(0);
private static final IntConstant ONE = new IntConstant(1);
private static final IntConstant TWO = new IntConstant(2);
private static final IntConstant THREE = new IntConstant(3);
private static final IntConstant FOUR = new IntConstant(4);
private static final IntConstant FIVE = new IntConstant(5);
private static final IntConstant SIX = new IntConstant(6);
private static final IntConstant SEVEN = new IntConstant(7);
private static final IntConstant EIGHT= new IntConstant(8);
private static final IntConstant NINE = new IntConstant(9);
private static final IntConstant TEN = new IntConstant(10);
public static Constant fromValue(int value) {
switch (value) {
case Integer.MIN_VALUE : return IntConstant.MIN_VALUE;
case -4 : return IntConstant.MINUS_FOUR;
case -3 : return IntConstant.MINUS_THREE;
case -2 : return IntConstant.MINUS_TWO;
case -1 : return IntConstant.MINUS_ONE;
case 0 : return IntConstant.ZERO;
case 1 : return IntConstant.ONE;
case 2 : return IntConstant.TWO;
case 3 : return IntConstant.THREE;
case 4 : return IntConstant.FOUR;
case 5 : return IntConstant.FIVE;
case 6 : return IntConstant.SIX;
case 7 : return IntConstant.SEVEN;
case 8 : return IntConstant.EIGHT;
case 9 : return IntConstant.NINE;
case 10 : return IntConstant.TEN;
}
return new IntConstant(value);
}
private IntConstant(int value) {
this.value = value;
}
@Override
public byte byteValue() {
return (byte) this.value;
}
@Override
public char charValue() {
return (char) this.value;
}
@Override
public double doubleValue() {
return this.value; // implicit cast to return type
}
@Override
public float floatValue() {
return this.value; // implicit cast to return type
}
@Override
public int intValue() {
return this.value;
}
@Override
public long longValue() {
return this.value; // implicit cast to return type
}
@Override
public short shortValue() {
return (short) this.value;
}
@Override
public String stringValue() {
//spec 15.17.11
return String.valueOf(this.value);
}
@Override
public String toString() {
return "(int)" + this.value; //$NON-NLS-1$
}
@Override
public int typeID() {
return T_int;
}
@Override
public int hashCode() {
return this.value;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
IntConstant other = (IntConstant) obj;
return this.value == other.value;
}
}
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