tegral-niwen-lexer/guru.zoroark.tegral.niwen.lexer.matchers/TokenMatcher

TokenMatcher

abstract class TokenMatcher(nextStateBehavior: NextStateBehavior = NoStateChange)

A token matcher is an object that can determine whether a string at a given offset matches some pattern. The matcher then returns a corresponding token or null if no match is found.

Inheritors

Constructors

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constructor(nextStateBehavior: NextStateBehavior = NoStateChange)

Functions

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abstract fun match(s: String, startAt: Int): MatcherResult

This function determines whether the string s, starting at the index startAt (inclusive), matches some pattern. The exact pattern is dependent on the implementation.