ast
Class CastExpr

java.lang.Object
  ast.ASTNode
      ast.Expr
          ast.CastExpr

public class CastExpr
extends Expr

The CastExpr class represents a cast expression. It contains a target type name (type), an expression to cast (expr), and a flag indicating whether the cast is an upcast (upcast).

See Also:

ASTNode, Expr

Field Summary

protected Expr	expr The expression to cast
protected java.lang.String	type The target type
protected boolean	upcast Boolean indicating whether the cast is an upcast

Fields inherited from class ast.ASTNode

charNum, lineNum, lineStr

Constructor Summary

CastExpr(int lineNum, java.lang.String type, Expr expr)
CastExpr constructor

Method Summary

java.lang.Object	accept(Visitor v) Visitor method
Expr	getExpr() Get the expression to cast
java.lang.String	getType() Get the target type
boolean	getUpCast() Is this an upcast?
void	setUpCast(boolean upcast) Set whether the cast is an upcast

Methods inherited from class ast.Expr

getExprType, setExprType

Methods inherited from class ast.ASTNode

getLineNum

Methods inherited from class java.lang.Object

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

Field Detail

type

protected java.lang.String type

The target type

expr

protected Expr expr

The expression to cast

upcast

protected boolean upcast

Boolean indicating whether the cast is an upcast

Constructor Detail

CastExpr

public CastExpr(int lineNum,
                java.lang.String type,
                Expr expr)

CastExpr constructor

Parameters:

lineNum - source line number corresponding to this AST node

type - the target type

expr - expression to cast

Method Detail

getType

public java.lang.String getType()

Get the target type

Returns:

type

getExpr

public Expr getExpr()

Get the expression to cast

Returns:

expression

getUpCast

public boolean getUpCast()

Is this an upcast?

Returns:

boolean indicating whether this cast is an upcast

setUpCast

public void setUpCast(boolean upcast)

Set whether the cast is an upcast

Parameters:

upcast - boolean indicating whether cast is an upcast

accept

public java.lang.Object accept(Visitor v)

Visitor method

Specified by:

accept in class Expr

Parameters:

v - visitor object

Returns:

result of visiting this node

See Also:

Visitor