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The ANTLR 4 grammar compiler.
There is a newer version: 4.13.2
/*
 * 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.codegen;

import org.antlr.v4.codegen.model.Choice;
import org.antlr.v4.codegen.model.CodeBlockForAlt;
import org.antlr.v4.codegen.model.LabeledOp;
import org.antlr.v4.codegen.model.Lexer;
import org.antlr.v4.codegen.model.LexerFile;
import org.antlr.v4.codegen.model.Parser;
import org.antlr.v4.codegen.model.ParserFile;
import org.antlr.v4.codegen.model.RuleFunction;
import org.antlr.v4.codegen.model.SrcOp;
import org.antlr.v4.runtime.misc.IntervalSet;
import org.antlr.v4.tool.Alternative;
import org.antlr.v4.tool.Rule;
import org.antlr.v4.tool.ast.ActionAST;
import org.antlr.v4.tool.ast.BlockAST;
import org.antlr.v4.tool.ast.GrammarAST;

import java.util.List;

public abstract class BlankOutputModelFactory implements OutputModelFactory {
	@Override
	public ParserFile parserFile(String fileName) { return null; }

	@Override
	public Parser parser(ParserFile file) { return null; }

	@Override
	public RuleFunction rule(Rule r) { return null; }

	@Override
	public List rulePostamble(RuleFunction function, Rule r) { return null; }

	@Override
	public LexerFile lexerFile(String fileName) { return null; }

	@Override
	public Lexer lexer(LexerFile file) { return null; }

	// ALTERNATIVES / ELEMENTS

	@Override
	public CodeBlockForAlt alternative(Alternative alt, boolean outerMost) { return null; }

	@Override
	public CodeBlockForAlt finishAlternative(CodeBlockForAlt blk, List ops) { return blk; }

	@Override
	public CodeBlockForAlt epsilon(Alternative alt, boolean outerMost) { return null; }

	@Override
	public List ruleRef(GrammarAST ID, GrammarAST label, GrammarAST args) { return null; }

	@Override
	public List tokenRef(GrammarAST ID, GrammarAST label, GrammarAST args) { return null; }

	@Override
	public List stringRef(GrammarAST ID, GrammarAST label) { return tokenRef(ID, label, null); }

	@Override
	public List set(GrammarAST setAST, GrammarAST label, boolean invert) {	return null; }

	@Override
	public List wildcard(GrammarAST ast, GrammarAST labelAST) { return null; }

	// ACTIONS

	@Override
	public List action(ActionAST ast) { return null; }

	@Override
	public List sempred(ActionAST ast) { return null; }

	// BLOCKS

	@Override
	public Choice getChoiceBlock(BlockAST blkAST, List alts, GrammarAST label) { return null; }

	@Override
	public Choice getEBNFBlock(GrammarAST ebnfRoot, List alts) { return null; }

	@Override
	public Choice getLL1ChoiceBlock(BlockAST blkAST, List alts) { return null; }

	@Override
	public Choice getComplexChoiceBlock(BlockAST blkAST, List alts) { return null; }

	@Override
	public Choice getLL1EBNFBlock(GrammarAST ebnfRoot, List alts) { return null; }

	@Override
	public Choice getComplexEBNFBlock(GrammarAST ebnfRoot, List alts) { return null; }

	@Override
	public List getLL1Test(IntervalSet look, GrammarAST blkAST) { return null; }

	@Override
	public boolean needsImplicitLabel(GrammarAST ID, LabeledOp op) { return false; }
}