diff options
Diffstat (limited to 'dx/src/com/android/dx/rop/cst/CstChar.java')
-rw-r--r-- | dx/src/com/android/dx/rop/cst/CstChar.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/dx/src/com/android/dx/rop/cst/CstChar.java b/dx/src/com/android/dx/rop/cst/CstChar.java new file mode 100644 index 0000000..21d8b67 --- /dev/null +++ b/dx/src/com/android/dx/rop/cst/CstChar.java @@ -0,0 +1,99 @@ +/* + * 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.dx.rop.cst; + +import com.android.dx.rop.type.Type; +import com.android.dx.util.Hex; + +/** + * Constants of type {@code char}. + */ +public final class CstChar + extends CstLiteral32 { + /** {@code non-null;} the value {@code 0} as an instance of this class */ + public static final CstChar VALUE_0 = make((char) 0); + + /** + * Makes an instance for the given value. This may (but does not + * necessarily) return an already-allocated instance. + * + * @param value the {@code char} value + */ + public static CstChar make(char value) { + return new CstChar(value); + } + + /** + * Makes an instance for the given {@code int} value. This + * may (but does not necessarily) return an already-allocated + * instance. + * + * @param value the value, which must be in range for a {@code char} + * @return {@code non-null;} the appropriate instance + */ + public static CstChar make(int value) { + char cast = (char) value; + + if (cast != value) { + throw new IllegalArgumentException("bogus char value: " + + value); + } + + return make(cast); + } + + /** + * Constructs an instance. This constructor is private; use {@link #make}. + * + * @param value the {@code char} value + */ + private CstChar(char value) { + super(value); + } + + /** {@inheritDoc} */ + @Override + public String toString() { + int value = getIntBits(); + return "char{0x" + Hex.u2(value) + " / " + value + '}'; + } + + /** {@inheritDoc} */ + public Type getType() { + return Type.CHAR; + } + + /** {@inheritDoc} */ + @Override + public String typeName() { + return "char"; + } + + /** {@inheritDoc} */ + public String toHuman() { + return Integer.toString(getIntBits()); + } + + /** + * Gets the {@code char} value. + * + * @return the value + */ + public char getValue() { + return (char) getIntBits(); + } +} |