org.eclipse.jdt.core.util.IVerificationTypeInfo Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.util;
/**
* Description of a verification type info as described in the JVM specifications.
*
* This interface may be implemented by clients.
*
* @since 3.0
*/
public interface IVerificationTypeInfo {
/**
* The tag value representing top variable info
* @since 3.2
*/
public static final int ITEM_TOP = 0;
/**
* The tag value representing integer variable info
* @since 3.2
*/
public static final int ITEM_INTEGER = 1;
/**
* The tag value representing float variable info
* @since 3.2
*/
public static final int ITEM_FLOAT = 2;
/**
* The tag value representing double variable info
* @since 3.2
*/
public static final int ITEM_DOUBLE = 3;
/**
* The tag value representing long variable info
* @since 3.2
*/
public static final int ITEM_LONG = 4;
/**
* The tag value representing null variable info
* @since 3.2
*/
public static final int ITEM_NULL = 5;
/**
* The tag value representing uninitialized this variable info
* @since 3.2
*/
public static final int ITEM_UNINITIALIZED_THIS = 6;
/**
* The tag value representing object variable info
* @since 3.2
*/
public static final int ITEM_OBJECT = 7;
/**
* The tag value representing uninitialized variable info
* @since 3.2
*/
public static final int ITEM_UNINITIALIZED = 8;
/**
* Answer back the tag of this verification type info as described in the JVM specifications.
*
* - 0 for the top type
* - 1 for the int type
* - 2 for the float type
* - 3 for the double type
* - 4 for the long type
* - 5 for the null type
* - 6 for the uninitialized this type
* - 7 for the object type
* - 8 for the uninitialized offset type
*
*
* @return the tag of this verification type info as described in the JVM specifications
* @since 3.0
*/
int getTag();
/**
* Answer back the offset of this verification type info as described in the JVM specifications.
* This makes sense only if the tag is 8.
*
* @return the offset of this verification type info as described in the JVM specifications
* @since 3.0
*/
int getOffset();
/**
* Answer back the constant pool index of this verification type info as described in the JVM specifications.
* This makes sense only if the tag is 7.
*
* @return the constant pool index of this verification type info as described in the JVM specifications
* @since 3.0
*/
int getConstantPoolIndex();
/**
* Answer back the name of the class type referenced by the index in the constant pool
* as described in the JVM specifications.
* This makes sense only if the tag is 7.
*
* @return the name of the class type referenced by the index in the constant pool
* as described in the JVM specifications
* @since 3.0
*/
char[] getClassTypeName();
}