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/*** | |
* Excerpted from "The Definitive ANTLR 4 Reference", | |
* published by The Pragmatic Bookshelf. | |
* Copyrights apply to this code. It may not be used to create training material, | |
* courses, books, articles, and the like. Contact us if you are in doubt. | |
* We make no guarantees that this code is fit for any purpose. | |
* Visit http://www.pragmaticprogrammer.com/titles/tpantlr2 for more book information. | |
***/ | |
import org.antlr.v4.runtime.*; | |
import org.antlr.v4.runtime.tree.ParseTree; |