pj2
Class Parser.Symbol

Object
  Parser.Symbol

Enclosing class:

Parser

public class Parser.Symbol
extends Object

represents a literal terminal. All instances can be found in Parser.symbols.

Field Summary

int	token unique symbol number, index into Parser.yyNames.
String	value internalized representation.

Constructor Summary

protected

Parser.Symbol(String value) assumed unique, within range, single character not '\0' or > 256, adds itself to Parser.symbols and Parser.yyNames.

Method Summary

String	toString()
void	visit(Visitor visitor) implements divide and conquer for Visitor.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

value

public final String value

internalized representation.

token

public final int token

unique symbol number, index into Parser.yyNames.

Constructor Detail

Parser.Symbol

protected Parser.Symbol(String value)

assumed unique, within range, single character not '\0' or > 256, adds itself to Parser.symbols and Parser.yyNames.

Parameters:

value - must be internalized.

Method Detail

visit

public void visit(Visitor visitor)

implements divide and conquer for Visitor.

toString

public String toString()

Overrides:

toString in class Object