| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * 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 com.android.dexgen.rop.cst; |
| |
| import com.android.dexgen.rop.type.Type; |
| |
| /** |
| * Constants of type {@code boolean}. |
| */ |
| public final class CstBoolean |
| extends CstLiteral32 { |
| /** {@code non-null;} instance representing {@code false} */ |
| public static final CstBoolean VALUE_FALSE = new CstBoolean(false); |
| |
| /** {@code non-null;} instance representing {@code true} */ |
| public static final CstBoolean VALUE_TRUE = new CstBoolean(true); |
| |
| /** |
| * Makes an instance for the given value. This will return an |
| * already-allocated instance. |
| * |
| * @param value the {@code boolean} value |
| * @return {@code non-null;} the appropriate instance |
| */ |
| public static CstBoolean make(boolean value) { |
| return value ? VALUE_TRUE : VALUE_FALSE; |
| } |
| |
| /** |
| * Makes an instance for the given {@code int} value. This |
| * will return an already-allocated instance. |
| * |
| * @param value must be either {@code 0} or {@code 1} |
| * @return {@code non-null;} the appropriate instance |
| */ |
| public static CstBoolean make(int value) { |
| if (value == 0) { |
| return VALUE_FALSE; |
| } else if (value == 1) { |
| return VALUE_TRUE; |
| } else { |
| throw new IllegalArgumentException("bogus value: " + value); |
| } |
| } |
| |
| /** |
| * Constructs an instance. This constructor is private; use {@link #make}. |
| * |
| * @param value the {@code boolean} value |
| */ |
| private CstBoolean(boolean value) { |
| super(value ? 1 : 0); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return getValue() ? "boolean{true}" : "boolean{false}"; |
| } |
| |
| /** {@inheritDoc} */ |
| public Type getType() { |
| return Type.BOOLEAN; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String typeName() { |
| return "boolean"; |
| } |
| |
| /** {@inheritDoc} */ |
| public String toHuman() { |
| return getValue() ? "true" : "false"; |
| } |
| |
| /** |
| * Gets the {@code boolean} value. |
| * |
| * @return the value |
| */ |
| public boolean getValue() { |
| return (getIntBits() == 0) ? false : true; |
| } |
| } |