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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.dsl;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.List;

import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.CharStreams;
import org.antlr.v4.runtime.CommonTokenStream;

import hu.bme.mit.theta.core.type.Expr;
import hu.bme.mit.theta.sts.dsl.gen.StsDslLexer;
import hu.bme.mit.theta.sts.dsl.gen.StsDslParser;
import hu.bme.mit.theta.sts.dsl.gen.StsDslParser.StsSpecContext;

public final class StsDslManager {

    private StsDslManager() {
    }

    public static StsSpec createStsSpec(final String inputString, final Expr... params)
            throws IOException {
        final InputStream stream = new ByteArrayInputStream(
                inputString.getBytes(StandardCharsets.UTF_8.name()));
        return createStsSpec(stream, params);
    }

    public static StsSpec createStsSpec(final InputStream inputStream,
                                        final List> args)
            throws IOException {
        final CharStream input = CharStreams.fromStream(inputStream);

        final StsDslLexer lexer = new StsDslLexer(input);
        final CommonTokenStream tokens = new CommonTokenStream(lexer);
        final StsDslParser parser = new StsDslParser(tokens);

        final StsSpecContext ctx = parser.stsSpec();
        final StsSpecSymbol stsSpecSymbol = StsSpecSymbol.create(ctx);
        final StsSpec stsSpec = stsSpecSymbol.instantiate(args);

        return stsSpec;
    }

    public static StsSpec createStsSpec(final InputStream inputStream, final Expr... params)
            throws IOException {
        return createStsSpec(inputStream, Arrays.asList(params));
    }

}