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Java > Open Source Codes > org > codehaus > groovy > syntax > lexer > Delimiter


1 package org.codehaus.groovy.syntax.lexer;
2
3
4 /**
5  * An interface for Lexers that delimit content from a larger source.
6  *
7  * @author Chris Poirier
8  */
9
10 public interface Delimiter
11 {
12
13
14    /**
15     * Turns delimiting on or off. This should affect <code>la()</code>
16     * and <code>consume()</code>. However, once the delimiter has been
17     * reached, this routine should have no effect.
18     */
19
20     public void delimit( boolean delimiter );
21
22
23
24    /**
25     * Returns true if the lexer is applying its delimiter policy.
26     */
27
28     public boolean isDelimited();
29
30
31
32    /**
33     * Returns true if the lexer stream is dry.
34     */
35
36     public boolean isFinished();
37
38 }
39
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