diff options
Diffstat (limited to 'dexgen/src/com/android/dexgen/rop/cst/CstShort.java')
-rw-r--r-- | dexgen/src/com/android/dexgen/rop/cst/CstShort.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/dexgen/src/com/android/dexgen/rop/cst/CstShort.java b/dexgen/src/com/android/dexgen/rop/cst/CstShort.java new file mode 100644 index 0000000..c81a589 --- /dev/null +++ b/dexgen/src/com/android/dexgen/rop/cst/CstShort.java @@ -0,0 +1,100 @@ +/* + * 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; +import com.android.dexgen.util.Hex; + +/** + * Constants of type {@code short}. + */ +public final class CstShort + extends CstLiteral32 { + /** {@code non-null;} the value {@code 0} as an instance of this class */ + public static final CstShort VALUE_0 = make((short) 0); + + /** + * Makes an instance for the given value. This may (but does not + * necessarily) return an already-allocated instance. + * + * @param value the {@code short} value + * @return {@code non-null;} the appropriate instance + */ + public static CstShort make(short value) { + return new CstShort(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 short} + * @return {@code non-null;} the appropriate instance + */ + public static CstShort make(int value) { + short cast = (short) value; + + if (cast != value) { + throw new IllegalArgumentException("bogus short value: " + + value); + } + + return make(cast); + } + + /** + * Constructs an instance. This constructor is private; use {@link #make}. + * + * @param value the {@code short} value + */ + private CstShort(short value) { + super(value); + } + + /** {@inheritDoc} */ + @Override + public String toString() { + int value = getIntBits(); + return "short{0x" + Hex.u2(value) + " / " + value + '}'; + } + + /** {@inheritDoc} */ + public Type getType() { + return Type.SHORT; + } + + /** {@inheritDoc} */ + @Override + public String typeName() { + return "short"; + } + + /** {@inheritDoc} */ + public String toHuman() { + return Integer.toString(getIntBits()); + } + + /** + * Gets the {@code short} value. + * + * @return the value + */ + public short getValue() { + return (short) getIntBits(); + } +} |