workbench.cfgParser

Class ParseRule

java.lang.Object

workbench.cfgParser.ParseRule

public class ParseRule
extends Object

Represents a syntactic production rule of the form A -> BC.

Author:

dtdavis

Constructor Summary

Constructors

Constructor and Description
ParseRule(int a, int b, int c) Creates a new instance of ParseRule

Method Summary

Modifier and Type	Method and Description
int[]	getComponents() Returns an array of rule components { A, B, C } where A -> B C
int	match(int b, int c) Checks to see if the arguments match the right hand side of the rule

Methods inherited from class java.lang.Object

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

Constructor Detail

ParseRule

public ParseRule(int a,
                 int b,
                 int c)

Creates a new instance of ParseRule

Parameters:

a - variable A of a production of the form A -> BC

b - variable B of a production of the form A -> BC

c - variable C of a production of the form A -> BC

Method Detail

match

public int match(int b,
                 int c)

Checks to see if the arguments match the right hand side of the rule

Parameters:

b - variable B of a production of the form A -> BC

c - variable C of a production of the form A -> BC

Returns:

the result of this rule if the arguments match or FAIL_PARSE if they do not

getComponents

public int[] getComponents()

Returns an array of rule components { A, B, C } where A -> B C