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openjava.ptree
Class CastExpression  

java.lang.Object
  openjava.ptree.ParseTreeObject
      openjava.ptree.NonLeaf
          openjava.ptree.CastExpression

All Implemented Interfaces:

java.lang.Cloneable, Expression, ParseTree, VariableInitializer

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public class CastExpression

extends NonLeaf

implements Expression

The CastExpression class represents a cast expression of parse tree.
If the operator in the expression of the right operand has week unity, this automatically produces the code in which the right operand is enclosed by parenthesises.
In the case the caster is int and the right operand to be casted is p + q, this produces the code :

     (int) (p + q)
 

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Field Summary

 

Fields inherited from class openjava.ptree.NonLeaf

 

Fields inherited from class openjava.ptree.ParseTreeObject

LN

 

Constructor Summary
(package private)	CastExpression()
	CastExpression(openjava.mop.OJClass type, Expression expr)
	CastExpression(TypeName ts, Expression expr)           Allocates a new object.

 

Method Summary
void	accept(openjava.ptree.util.ParseTreeVisitor v)           Accepts a ParseTreeVisitor object as the role of a Visitor in the Visitor pattern, as the role of an Element in the Visitor pattern.
Expression	getExpression()           Gets the expression of the operand to be casted in this expression.
openjava.mop.OJClass	getType(openjava.mop.Environment env)
TypeName	getTypeSpecifier()           Gets the type specifier to cast in this expression.
void	setExpression(Expression expr)           Sets the expression of the operand to be casted in this expression.
void	setTypeSpecifier(TypeName tspec)           Sets the type specifier to cast in this expression.

 

Methods inherited from class openjava.ptree.NonLeaf

childrenAccept, elementAt, equals, getComment, getContents, getLength, makeRecursiveCopy, replaceChildWith, set, set, set, set, set, set, set, set, set, setComment, setElementAt

 

Methods inherited from class openjava.ptree.ParseTreeObject

clone, equal, getObjectID, getParent, hashCode, lastObjectID, makeCopy, replace, setParent, toFlattenString, toString

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface openjava.ptree.ParseTree

childrenAccept, equals, getObjectID, makeCopy, makeRecursiveCopy, replace, toFlattenString, toString

 

Constructor Detail

CastExpression

public CastExpression(TypeName ts,
                      Expression expr)

Allocates a new object.

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CastExpression

public CastExpression(openjava.mop.OJClass type,
                      Expression expr)

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CastExpression

CastExpression()

Method Detail

getTypeSpecifier

public TypeName getTypeSpecifier()

Gets the type specifier to cast in this expression.

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setTypeSpecifier

public void setTypeSpecifier(TypeName tspec)

Sets the type specifier to cast in this expression.

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getExpression

public Expression getExpression()

Gets the expression of the operand to be casted in this expression.

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setExpression

public void setExpression(Expression expr)

Sets the expression of the operand to be casted in this expression.

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accept

public void accept(openjava.ptree.util.ParseTreeVisitor v)
            throws ParseTreeException

Description copied from interface: ParseTree

Accepts a ParseTreeVisitor object as the role of a Visitor in the Visitor pattern, as the role of an Element in the Visitor pattern.

This invoke an appropriate visit() method on the accepted visitor.

Specified by:

accept in interface ParseTree

Specified by:

accept in class ParseTreeObject

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getType

public openjava.mop.OJClass getType(openjava.mop.Environment env)
                             throws java.lang.Exception

Specified by:

getType in interface Expression

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