org.logicng.io.parsers.ParserWithFormula 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 //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or //
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// permissions and limitations under the License. //
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package org.logicng.io.parsers;
import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.TokenStream;
import org.logicng.formulas.Formula;
import org.logicng.formulas.FormulaFactory;
/**
* Abstract super class for parsers which have a formula factory and return a formula.
* @version 1.4.0
* @since 1.4.0
*/
public abstract class ParserWithFormula extends Parser {
protected FormulaFactory f;
/**
* Constructor.
* @param input the token stream (e.g. a lexer) for the parser
*/
public ParserWithFormula(final TokenStream input) {
super(input);
}
/**
* Sets the LogicNG formula factory for this parser
* @param f the LogicNG formula factory
*/
public void setFormulaFactory(final FormulaFactory f) {
this.f = f;
}
/**
* Returns the parsed formula.
* @return the parsed formula
*/
public abstract Formula getParsedFormula();
}