java_cup

Class production_part

java.lang.Object

java_cup.production_part

Direct Known Subclasses:

action_part, symbol_part

public abstract class production_part
extends Object

This class represents one part (either a symbol or an action) of a production. In this base class it contains only an optional label string that the user can use to refer to the part within actions.

This is an abstract class.

Version:

last updated: 11/25/95

Author:

Scott Hudson

See Also:

production

Field Summary

Fields

Modifier and Type	Field and Description
protected String	_label Optional label for referring to the part within an action (null for no label).

Constructor Summary

Constructors

Constructor and Description
production_part(String lab) Simple constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object other) Generic equality comparison.
boolean	equals(production_part other) Equality comparison.
int	hashCode() Produce a hash code.
abstract boolean	is_action() Indicate if this is an action (rather than a symbol).
String	label() Optional label for referring to the part within an action (null for no label).
String	toString() Convert to a string.

Methods inherited from class java.lang.Object

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

Field Detail

_label

protected String _label

Optional label for referring to the part within an action (null for no label).

Constructor Detail

production_part

public production_part(String lab)

Simple constructor.

Method Detail

label

public String label()

Optional label for referring to the part within an action (null for no label).

is_action

public abstract boolean is_action()

Indicate if this is an action (rather than a symbol). Here in the base class, we don't this know yet, so its an abstract method.

equals

public boolean equals(production_part other)

Equality comparison.

equals

public boolean equals(Object other)

Generic equality comparison.

Overrides:

equals in class Object

hashCode

public int hashCode()

Produce a hash code.

Overrides:

hashCode in class Object

toString

public String toString()

Convert to a string.

Overrides:

toString in class Object