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java.lang.Object scale.common.Root scale.clef.Node scale.clef.type.Raise scale.clef.type.RaiseWithObject
public class RaiseWithObject
Un-used.
$Id: RaiseWithObject.java,v 1.27 2005-03-24 13:57:11 burrill Exp $
Copyright 2005 by the Scale Compiler Group,
Department of Computer Science
University of Massachusetts,
Amherst MA. 01003, USA
All Rights Reserved.
Constructor Summary | |
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RaiseWithObject(ExceptionDecl e)
|
Method Summary | |
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Node |
getChild(int i)
Return the specified AST child of this node. |
ExceptionDecl |
getException()
|
int |
numChildren()
Return the number of AST children of this node. |
protected void |
setException(ExceptionDecl e)
|
java.lang.String |
toStringSpecial()
This method allows sub-classes to provide class specific stuff to the string. |
void |
visit(Predicate p)
Process a node by calling its associated routine. |
Methods inherited from class scale.clef.Node |
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getCoreType, getDecl, getSourceLineNumber, getType, setAnnotationLevel, setReportLevel, setSourceLineNumber, toString, toString, toStringChildren |
Methods inherited from class scale.common.Root |
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addAnnotation, allAnnotations, allMatchingAnnotations, getAnnotation, getDisplayColorHint, getDisplayLabel, getDisplayName, getDisplayShapeHint, getDisplayString, getNodeCount, getNodeID, hasAnnotation, hasEqualAnnotation, hashCode, removeAnnotation, removeAnnotations, toStringAnnotations, toStringClass, trace, trace, trace |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RaiseWithObject(ExceptionDecl e)
Method Detail |
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public final ExceptionDecl getException()
public void visit(Predicate p)
Node
Each class has a visit(Predicate p)
method. For
example, in class ABC
:
public void visit(Predicate p) { p.visitABC(this); }and the class that implements
Predicate
has a method
public void visitABC(Node n) { ABC a = (ABC) n; ... }Thus, the class that implements
Predicate
can call
n.visit(this);where
n
is a Node
sub-class without
determining which specific sub-class n
is.
The visit pattern basically avoids implementing a large
switch
statement or defining different methods
in each class for some purpose.
visit
in class Raise
Predicate
protected final void setException(ExceptionDecl e)
public Node getChild(int i)
getChild
in class Node
public int numChildren()
numChildren
in class Node
public java.lang.String toStringSpecial()
Node
toStringSpecial
in class Node
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