diff options
Diffstat (limited to 'tools/external/asm/org/objectweb/asm/attrs/StackMapType.java')
-rw-r--r-- | tools/external/asm/org/objectweb/asm/attrs/StackMapType.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tools/external/asm/org/objectweb/asm/attrs/StackMapType.java b/tools/external/asm/org/objectweb/asm/attrs/StackMapType.java new file mode 100644 index 000000000..ae3b8cee7 --- /dev/null +++ b/tools/external/asm/org/objectweb/asm/attrs/StackMapType.java @@ -0,0 +1,114 @@ +/** + * ASM: a very small and fast Java bytecode manipulation framework + * Copyright (c) 2000-2005 INRIA, France Telecom + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +package org.objectweb.asm.attrs; + +import org.objectweb.asm.Label; + +/** + * Verification type info used by {@link StackMapAttribute}. + * + * @see <a href="http://www.jcp.org/en/jsr/detail?id=139">JSR 139 : Connected + * Limited Device Configuration 1.1</a> + * + * @see "ClassFileFormat-Java6.fm Page 138 Friday, April 15, 2005 3:22 PM" + * + * @author Eugene Kuleshov + */ + +public class StackMapType { + + public static final int ITEM_Top = 0; + public static final int ITEM_Integer = 1; + public static final int ITEM_Float = 2; + public static final int ITEM_Double = 3; + public static final int ITEM_Long = 4; + public static final int ITEM_Null = 5; + public static final int ITEM_UninitializedThis = 6; + public static final int ITEM_Object = 7; + public static final int ITEM_Uninitialized = 8; + + public static final String[] ITEM_NAMES = { + "Top", + "Integer", + "Float", + "Double", + "Long", + "Null", + "UninitializedThis", + "Object", + "Uninitialized" }; + + private int type; + private Label offset; + private String object; + + private StackMapType(int type) { + this.type = type; + } + + public int getType() { + return type; + } + + public static StackMapType getTypeInfo(int itemType) { + if (itemType < ITEM_Top || itemType > ITEM_Uninitialized) { + throw new IllegalArgumentException("" + itemType); + } + return new StackMapType(itemType); + } + + public void setLabel(Label offset) { + this.offset = offset; + } + + public void setObject(String object) { + this.object = object; + } + + public Label getLabel() { + return offset; + } + + public String getObject() { + return object; + } + + public String toString() { + StringBuffer sb = new StringBuffer(ITEM_NAMES[type]); + if (type == ITEM_Object) { + sb.append(":").append(object); + } + if (type == ITEM_Uninitialized) { + sb.append(":L").append(System.identityHashCode(offset)); + } + return sb.toString(); + } +} |