com.singularsys.jep.configurableparser.matchers
Interface TokenMatcher

All Superinterfaces:

java.io.Serializable

All Known Subinterfaces:

TokenBuilder

All Known Implementing Classes:

CommentTokenMatcher, HexNumberTokenMatcher, IdentifierTokenMatcher, MultiLineMatcher, MultiLineToken, NumberTokenMatcher, OperatorTokenMatcher, RegExpTokenMatcher, StringTokenMatcher, StringTokenMatcher2, SymbolTokenMatcher, TerminatorTokenMatcher, UpperCaseOperatorTokenMatcher, WhiteSpaceTokenMatcher

public interface TokenMatcher
extends java.io.Serializable

Interface defining classes which match tokens

Author:

Richard Morris

See Also:

Token

Method Summary

void	init(Jep j) Initialize the matcher when the Jep instance is known.
Token	match(java.lang.String s) Attempts to match the start of the string.

Method Detail

match

Token match(java.lang.String s)
            throws ParseException

Attempts to match the start of the string. Note new objects should be created each time as error reporting information is later attached to tokens.

Parameters:

s - the string to match against

Returns:

if successful returns the corresponding token, return null if failed to match

Throws:

ParseException

init

void init(Jep j)

Initialize the matcher when the Jep instance is known.

Parameters:

j -