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java_cup

Class 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

protected symbol
_the_symbol
The symbol that this part is made up of.

Fields inherited from class java_cup.production_part

_label

Constructor Summary

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

Method Summary

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, equals, hashCode, is_action, label, toString

Field Details

_the_symbol

protected symbol _the_symbol
The symbol that this part is made up of.

Constructor Details

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.

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.

Method Details

equals

public boolean equals(Object other)
Generic equality comparison.
Overrides:
equals in interface production_part

equals

public boolean equals(symbol_part other)
Equality comparison.

hashCode

public int hashCode()
Produce a hash code.
Overrides:
hashCode in interface production_part

is_action

public boolean is_action()
Respond that we are not an action part.
Overrides:
is_action in interface production_part

the_symbol

public symbol the_symbol()
The symbol that this part is made up of.

toString

public String toString()
Convert to a string.
Overrides:
toString in interface production_part

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