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Statistical sampling library for use in virtdata libraries, based
on apache commons math 4
/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.runtime.tree.pattern;
/**
* A chunk is either a token tag, a rule tag, or a span of literal text within a
* tree pattern.
*
* The method {@link ParseTreePatternMatcher#split(String)} returns a list of
* chunks in preparation for creating a token stream by
* {@link ParseTreePatternMatcher#tokenize(String)}. From there, we get a parse
* tree from with {@link ParseTreePatternMatcher#compile(String, int)}. These
* chunks are converted to {@link RuleTagToken}, {@link TokenTagToken}, or the
* regular tokens of the text surrounding the tags.
*/
abstract class Chunk {
}