edu.illinois.cs.cogcomp.lbjava.IR

Class UnaryExpression

java.lang.Object

edu.illinois.cs.cogcomp.lbjava.IR.ASTNode

edu.illinois.cs.cogcomp.lbjava.IR.Expression

edu.illinois.cs.cogcomp.lbjava.IR.UnaryExpression

public class UnaryExpression
extends Expression

This class represents an expression involving a unary operator.

Author:

Nick Rizzolo

Field Summary

Fields

Modifier and Type	Field and Description
Operator	operation (¬ø) Representation of the unary operator.
Expression	subexpression (¬ø) The expression on which the unary operator operates.

Fields inherited from class edu.illinois.cs.cogcomp.lbjava.IR.Expression

parenthesized, typeCache, typeCacheFilled

Fields inherited from class edu.illinois.cs.cogcomp.lbjava.IR.ASTNode

byteOffset, line, nodeID, symbolTable

Constructor Summary

Constructors

Constructor and Description
UnaryExpression(Operator op, Expression sub) Initializing constructor.

Method Summary

Modifier and Type	Method and Description
Object	clone() Creates a new object with the same primitive data, and recursively creates new member data objects as well.
boolean	equals(Object o) Indicates whether some other object is "equal to" this one.
int	hashCode() Returns a hash code value for java hash structures.
ASTNodeIterator	iterator() Returns an iterator used to successively access the children of this node.
void	runPass(Pass pass) Ensures that the correct run() method is called for this type of node.
void	write(StringBuffer buffer) Writes a string representation of this ASTNode to the specified buffer.

Methods inherited from class edu.illinois.cs.cogcomp.lbjava.IR.Expression

containsQuantifiedVariable, getVariableTypes, senseValueChild

Methods inherited from class edu.illinois.cs.cogcomp.lbjava.IR.ASTNode

toString

Methods inherited from class java.lang.Object

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

Field Detail

operation

public Operator operation

(¬ø) Representation of the unary operator.

subexpression

public Expression subexpression

(¬ø) The expression on which the unary operator operates.

Constructor Detail

UnaryExpression

public UnaryExpression(Operator op,
                       Expression sub)

Initializing constructor. Line and byte offset information is taken from the unary operator's representation.

Parameters:

op - Representation of the unary operator.

sub - The expression on which the unary operator operates.

Method Detail

hashCode

public int hashCode()

Returns a hash code value for java hash structures.

Overrides:

hashCode in class Object

Returns:

A hash code for this object.

equals

public boolean equals(Object o)

Indicates whether some other object is "equal to" this one.

Overrides:

equals in class Object

Returns:

true iff this object is the same as the argument.

iterator

public ASTNodeIterator iterator()

Returns an iterator used to successively access the children of this node.

Specified by:

iterator in class ASTNode

Returns:

An iterator used to successively access the children of this node.

clone

public Object clone()

Creates a new object with the same primitive data, and recursively creates new member data objects as well.

Overrides:

clone in class ASTNode

Returns:

The clone node.

runPass

public void runPass(Pass pass)

Ensures that the correct run() method is called for this type of node.

Specified by:

runPass in class ASTNode

Parameters:

pass - The pass whose run() method should be called.

write

public void write(StringBuffer buffer)

Writes a string representation of this ASTNode to the specified buffer. The representation written is parsable by the LBJava compiler, but not very readable.

Specified by:

write in class ASTNode

Parameters:

buffer - The buffer to write to.