fr.umlv.tatoo.runtime.lexer
Interface RuleActivator<R>

Type Parameters:

R - type of rules.

All Known Implementing Classes:

EnumParserLookaheadActivator, HashParserLookaheadActivator

public interface RuleActivator<R>

The lexer uses an object that implements this interface to change the set of active rule at the beginning of a token recognition. This can be use to enable/disable some rule depending on the context.

Version:

$Revision$

Author:

Julien Cervelle

Method Summary

Iterable<? extends R>	activeRules() Determines the set of active rules.
Iterable<? extends R>	allRules()

Method Detail

activeRules

Iterable<? extends R> activeRules()

Determines the set of active rules. The method activateRules is called before the beginning of new token recognition.

Returns:

new set of active rules

allRules

Iterable<? extends R> allRules()