java_cup

Class symbol_part

java.lang.Object

java_cup.production_part

java_cup.symbol_part

public class symbol_part
extends production_part

This class represents a part of a production which is a symbol (terminal or non terminal). This simply maintains a reference to the symbol in question.

Version:

last updated: 11/25/95

Author:

Scott Hudson

See Also:

production

Field Summary

Fields

Modifier and Type	Field and Description
protected symbol	_the_symbol The symbol that this part is made up of.

Fields inherited from class java_cup.production_part

_label

Constructor Summary

Constructors

Constructor and Description
symbol_part(symbol sym) Constructor with no label.
symbol_part(symbol sym, String lab) Full constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other) Generic equality comparison.
boolean	equals(symbol_part other) Equality comparison.
int	hashCode() Produce a hash code.
boolean	is_action() Respond that we are not an action part.
symbol	the_symbol() The symbol that this part is made up of.
String	toString() Convert to a string.

Methods inherited from class java_cup.production_part

equals, label

Methods inherited from class java.lang.Object

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

Field Detail

_the_symbol

protected symbol _the_symbol

The symbol that this part is made up of.

Constructor Detail

symbol_part

public symbol_part(symbol sym,
                   String lab)
            throws internal_error

Full constructor.

Parameters:

sym - the symbol that this part is made up of.

lab - an optional label string for the part.

Throws:

internal_error

symbol_part

public symbol_part(symbol sym)
            throws internal_error

Constructor with no label.

Parameters:

sym - the symbol that this part is made up of.

Throws:

internal_error

Method Detail

the_symbol

public symbol the_symbol()

The symbol that this part is made up of.

is_action

public boolean is_action()

Respond that we are not an action part.

Specified by:

is_action in class production_part

equals

public boolean equals(symbol_part other)

Equality comparison.

equals

public boolean equals(Object other)

Generic equality comparison.

Overrides:

equals in class production_part

hashCode

public int hashCode()

Produce a hash code.

Overrides:

hashCode in class production_part

toString

public String toString()

Convert to a string.

Overrides:

toString in class production_part