oracle.toplink.libraries.asm.attrs.StackMapType Maven / Gradle / Ivy
/**
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000,2002,2003 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 oracle.toplink.libraries.asm.attrs;
import oracle.toplink.libraries.asm.Label;
/**
* Verification type info used by {@link StackMapAttribute}.
*
* @see JSR 139 : Connected
* Limited Device Configuration 1.1
*
* @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) {
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();
}
}