aud.example.expr.UnaryMinus Class Reference

unary - operator: -A ("sign") More...

Inheritance diagram for aud.example.expr.UnaryMinus:

Collaboration diagram for aud.example.expr.UnaryMinus:

Public Member Functions
	UnaryMinus ()
	create operation More...
double	getValue ()
	get value More...
Type	getType ()
	Get type identifier. More...
UnaryMinus	clone ()
	Get a copy: a new AtomicExpression of same type/content. More...
String	toString ()
Public Member Functions inherited from aud.example.expr.AtomicExpression
boolean	isOperator ()
	node represents operator More...
boolean	isTerminal ()
	node represents number or symbol More...
abstract Type	getType ()
	Get type identifier. More...
AtomicExpression	clone ()
	Get a copy: a new AtomicExpression of same type/content. More...
abstract double	getValue ()
	get value More...

Additional Inherited Members
Protected Attributes inherited from aud.example.expr.AtomicExpression
ExpressionTree	node_ = null
	uplink reference to node: node_.getData()==this @endiliteral More...

Detailed Description

unary - operator: -A ("sign")

Definition at line 4 of file UnaryMinus.java.

Constructor & Destructor Documentation

UnaryMinus()

aud.example.expr.UnaryMinus.UnaryMinus

(

)

create operation

Definition at line 6 of file UnaryMinus.java.

{}

Referenced by aud.example.expr.UnaryMinus.clone().

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Member Function Documentation

clone()

UnaryMinus aud.example.expr.UnaryMinus.clone

(

)

Get a copy: a new AtomicExpression of same type/content.

Reimplemented from aud.example.expr.AtomicExpression.

Definition at line 14 of file UnaryMinus.java.

{ return new UnaryMinus(); }

References aud.example.expr.UnaryMinus.UnaryMinus().

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getType()

Type aud.example.expr.UnaryMinus.getType

(

)

Get type identifier.

Reimplemented from aud.example.expr.AtomicExpression.

Definition at line 13 of file UnaryMinus.java.

{ return Type.OpUnaryMinus; }

References aud.example.expr.AtomicExpression.Type.OpUnaryMinus.

getValue()

double aud.example.expr.UnaryMinus.getValue

(

)

get value

Exceptions

UnsupportedOperationException

if value cannot be determined

Reimplemented from aud.example.expr.AtomicExpression.

Definition at line 8 of file UnaryMinus.java.

                                     {
    ExpressionTree left =(ExpressionTree) node_.getLeft();
    assert(node_.getRight()==null); // unary operation
    return -left.getData().getValue();
  }

References aud.BinaryTree< T >.getData(), aud.BinaryTree< T >.getLeft(), aud.BinaryTree< T >.getRight(), and aud.example.expr.AtomicExpression.node_.

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toString()

String aud.example.expr.UnaryMinus.toString

(

)

Definition at line 15 of file UnaryMinus.java.

{ return "-"; }

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The documentation for this class was generated from the following file:

• UnaryMinus.java