Mirror of the BLOAT repository https://www.cs.purdue.edu/homes/hosking/bloat/
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bloat/src/EDU/purdue/cs/bloat/editor/TryCatch.java

106 lines
2.6 KiB

/**
* All files in the distribution of BLOAT (Bytecode Level Optimization and
* Analysis tool for Java(tm)) are Copyright 1997-2001 by the Purdue
* Research Foundation of Purdue University. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package EDU.purdue.cs.bloat.editor;
/**
* TryCatch holds the labels for the start and end of a protected block and the
* beginning of a catch block and the type of the exception to catch.
*
* @author Nate Nystrom (<a
* href="mailto:nystrom@cs.purdue.edu">nystrom@cs.purdue.edu</a>)
*/
public class TryCatch {
private Label start;
private Label end;
private Label handler;
private Type type;
/**
* Constructor.
*
* @param start
* The start label of the protected block.
* @param end
* The label of the instruction after the end of the protected
* block.
* @param handler
* The start label of the exception handler.
* @param type
* The type of exception to catch.
*/
public TryCatch(final Label start, final Label end, final Label handler,
final Type type) {
this.start = start;
this.end = end;
this.handler = handler;
this.type = type;
}
/**
* Get the start label of the protected block.
*
* @return The start label.
*/
public Label start() {
return start;
}
/**
* Get the end label of the protected block.
*
* @return The end label.
*/
public Label end() {
return end;
}
/**
* Get the start label of the catch block.
*
* @return The handler label.
*/
public Label handler() {
return handler;
}
/**
* Set the start label of the catch block.
*/
public void setHandler(final Label handler) {
this.handler = handler;
}
/**
* Get the type of the exception to catch.
*
* @return The type of the exception to catch.
*/
public Type type() {
return type;
}
public String toString() {
return "try " + start + ".." + end + " catch (" + type + ") " + handler;
}
}