org.logicng.io.parsers.PropositionalLexer Maven / Gradle / Ivy
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// The Next Generation Logic Library //
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// Copyright 2015-20xx Christoph Zengler //
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// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
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// http://www.apache.org/licenses/LICENSE-2.0 //
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// Unless required by applicable law or agreed to in writing, software //
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package org.logicng.io.parsers;
import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.LexerNoViableAltException;
/**
* A lexer for propositional formulas.
* @version 1.0
* @since 1.0
*/
public final class PropositionalLexer extends LogicNGPropositionalLexer {
/**
* Constructs a new LogicNG lexer.
* @param inputStream the input stream
*/
public PropositionalLexer(final CharStream inputStream) {
super(inputStream);
}
@Override
public void recover(final LexerNoViableAltException exception) {
throw new LexerException(exception.getMessage());
}
@Override
public String toString() {
return this.getClass().getSimpleName();
}
}