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Sts subproject in the Theta model checking framework

There is a newer version: 6.8.5

/*
 *  Copyright 2024 Budapest University of Technology and Economics
 *
 *  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
 *
 *      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.
 */
package hu.bme.mit.theta.sts.parser;

import static com.google.common.base.Preconditions.checkNotNull;

import java.io.Reader;

import hu.bme.mit.theta.common.parser.LispLexer;
import hu.bme.mit.theta.common.parser.LispParser;
import hu.bme.mit.theta.common.parser.SExpr;
import hu.bme.mit.theta.core.parser.Env;
import hu.bme.mit.theta.sts.STS;

public final class StsParser {

    private final LispParser parser;
    private final StsInterpreter interpreter;

    public StsParser(final Reader reader) {
        checkNotNull(reader);
        final LispLexer lexer = new LispLexer(reader);
        parser = new LispParser(lexer);
        final Env env = new Env();
        interpreter = new StsInterpreter(env);
    }

    public STS sts() {
        final SExpr sexpr = parser.sexpr();
        final STS sts = interpreter.sts(sexpr);
        return sts;
    }

}