| /******************************************************************************* |
| * Copyright (c) 2000, 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * 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; |
| } |
| } |