org.teatrove.tea.parsetree
Class ExceptionGuardStatement

java.lang.Object
  org.teatrove.tea.parsetree.Node
      org.teatrove.tea.parsetree.Statement
          org.teatrove.tea.parsetree.ExceptionGuardStatement

All Implemented Interfaces:

Serializable, Cloneable

public class ExceptionGuardStatement
extends Statement

A statement that catches instances of Exception, calls ThreadGroup.uncaughtException, and moves on. This statement is inserted by a TypeChecker, and does not appear directly in Tea templates.

Author:

Brian S O'Neill

See Also:

Serialized Form

Constructor Summary

ExceptionGuardStatement(SourceInfo info, Statement guarded, Statement replacement)

ExceptionGuardStatement(Statement guarded, Statement replacement)

Method Summary

Object	accept(NodeVisitor visitor) Every subclass of Node must override this method with the following: return visitor.visit(this).
Object	clone() Returns a clone of this Node and all its children.
Statement	getGuarded() May return null if removed.
Statement	getReplacement() May return null since this is optional.
boolean	isBreak() Returns true if Statement 'breaks' during its execution.
boolean	isReturn() Returns true if Statement definitely returns from its method either from a return statement or a throw statement.
void	setGuarded(Statement guarded)
void	setReplacement(Statement replacement)

Methods inherited from class org.teatrove.tea.parsetree.Node

getSourceInfo, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExceptionGuardStatement

public ExceptionGuardStatement(Statement guarded,
                               Statement replacement)

Parameters:

guarded - Statement to guard.

replacement - Optional Statement to execute in catch handler.

ExceptionGuardStatement

public ExceptionGuardStatement(SourceInfo info,
                               Statement guarded,
                               Statement replacement)

Parameters:

guarded - Statement to guard.

replacement - Optional Statement to execute in catch handler.

Method Detail

accept

public Object accept(NodeVisitor visitor)

Description copied from class: Node

Every subclass of Node must override this method with the following: return visitor.visit(this).

Overrides:

accept in class Statement

Parameters:

visitor - A visitor of this Node

Returns:

Node The Node returned by the visitor

See Also:

NodeVisitor

clone

public Object clone()

Description copied from class: Node

Returns a clone of this Node and all its children. Immutable child objects are not necessarily cloned

Overrides:

clone in class Node

isReturn

public boolean isReturn()

Description copied from class: Statement

Returns true if Statement definitely returns from its method either from a return statement or a throw statement.

Overrides:

isReturn in class Statement

isBreak

public boolean isBreak()

Description copied from class: Statement

Returns true if Statement 'breaks' during its execution.

Overrides:

isBreak in class Statement

getGuarded

public Statement getGuarded()

May return null if removed.

getReplacement

public Statement getReplacement()

May return null since this is optional.

setGuarded

public void setGuarded(Statement guarded)

setReplacement

public void setReplacement(Statement replacement)