org.teatrove.tea.parsetree
Class BooleanLiteral

java.lang.Object
  org.teatrove.tea.parsetree.Node
      org.teatrove.tea.parsetree.Expression
          org.teatrove.tea.parsetree.Literal
              org.teatrove.tea.parsetree.BooleanLiteral

All Implemented Interfaces:

Serializable, Cloneable

public class BooleanLiteral
extends Literal

BooleanLiterals can only have one of two values, true or false.

Author:

Brian S O'Neill

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.teatrove.tea.parsetree.Expression

Expression.Conversion

Constructor Summary

BooleanLiteral(SourceInfo info, boolean value)

Method Summary

Object	accept(NodeVisitor visitor) Every subclass of Node must override this method with the following: return visitor.visit(this).
void	convertTo(Type type, boolean preferCast) Applies a type conversion to this expression which is chained to all previous conversions.
Object	getValue() Most expressions can't generate a value at compile-time, so this method simply returns null.
void	setType(Type type) Sets the type of this expression, clearing the conversion chain.

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

isValueKnown

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

clone, convertTo, forceConversion, getConversionChain, getInitialType, getType, isExceptionPossible, setInitialType

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

BooleanLiteral

public BooleanLiteral(SourceInfo info,
                      boolean value)

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 Literal

Parameters:

visitor - A visitor of this Node

Returns:

Node The Node returned by the visitor

See Also:

NodeVisitor

convertTo

public void convertTo(Type type,
                      boolean preferCast)

Description copied from class: Expression

Applies a type conversion to this expression which is chained to all previous conversions.

Overrides:

convertTo in class Expression

Parameters:

type - the type to convert to.

preferCast - a hint that the conversion should be performed by a type cast operation, by default is true.

setType

public void setType(Type type)

Description copied from class: Expression

Sets the type of this expression, clearing the conversion chain.

Overrides:

setType in class Expression

getValue

public Object getValue()

Description copied from class: Expression

Most expressions can't generate a value at compile-time, so this method simply returns null. Call isValueKnown to check if the expression's value is known at compile-time.

Overrides:

getValue in class Expression