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In-memory compilation of ANTLR grammars

There is a newer version: 1.9.2

/*
* Inmemantlr - In memory compiler for Antlr 4
*
* Copyright 2016, Julian Thomé 
*
* Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence. You may
* obtain a copy of the Licence at:
*
* https://joinup.ec.europa.eu/sites/default/files/eupl1.1.-licence-en_0.pdf
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
*/

package org.snt.inmemantlr;

import javax.tools.SimpleJavaFileObject;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;

class MemorySource extends SimpleJavaFileObject {
    private String src;

    public MemorySource(String name, String src) {
        super(URI.create("file:///" + name + ".java"), Kind.SOURCE);
        this.src = src;
    }

    public CharSequence getCharContent(boolean ignoreEncodingErrors) {
        return src;
    }

    public OutputStream openOutputStream() {
        throw new IllegalStateException();
    }

    public InputStream openInputStream() {
        return new ByteArrayInputStream(src.getBytes());
    }
}