// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// 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 implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#pragma once
#include <sys/types.h>

#include "Expression.h"

typedef struct Grammar Grammar;

Grammar *GrammarNew(void);
void GrammarFree(Grammar *gram);
void GrammarDefine(Grammar *gram, const char *name, Expression *expr);
Expression *GrammarLookup(Grammar *gram, const char *name);
void GrammarResolve(Grammar *gram);
void GrammarPrint(Grammar *gram, int exprAsTree);
const char *GrammarFirstRuleName(Grammar *gram);