/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.nashorn.api.tree;

import java.io.File;

import java.io.IOException;

import java.io.PrintWriter;

import java.io.Reader;

import java.net.URL;

import java.nio.file.Path;

import java.util.Map;

import java.util.Objects;

import jdk.nashorn.api.scripting.NashornException;

import jdk.nashorn.api.scripting.ScriptObjectMirror;

import jdk.nashorn.internal.ir.FunctionNode;

import jdk.nashorn.internal.runtime.Context;

import jdk.nashorn.internal.runtime.ErrorManager;

import jdk.nashorn.internal.runtime.JSType;

import jdk.nashorn.internal.runtime.ParserException;

import jdk.nashorn.internal.runtime.ScriptEnvironment;

import jdk.nashorn.internal.runtime.Source;

import jdk.nashorn.internal.runtime.options.Options;

final class ParserImpl implements Parser {

    private final ScriptEnvironment env;

    ParserImpl(final String... args) throws IllegalArgumentException {

    }

    @Override

    public CompilationUnitTree parse(final File file, final DiagnosticListener listener) throws IOException, NashornException {

        final Source src = Source.sourceFor(Objects.requireNonNull(file).getName(), file);

        return translate(makeParser(src, listener).parse());

    }

    @Override

    public CompilationUnitTree parse(final Path path, final DiagnosticListener listener) throws IOException, NashornException {

        final Source src = Source.sourceFor(Objects.requireNonNull(path).toString(), path);

        return translate(makeParser(src, listener).parse());

    }

    @Override

    public CompilationUnitTree parse(final URL url, final DiagnosticListener listener) throws IOException, NashornException {

        final Source src = Source.sourceFor(url.toString(), url);

        return translate(makeParser(src, listener).parse());

    }

    @Override

    public CompilationUnitTree parse(final String name, final Reader reader, final DiagnosticListener listener) throws IOException, NashornException {

        final Source src = Source.sourceFor(Objects.requireNonNull(name), Objects.requireNonNull(reader));

        return translate(makeParser(src, listener).parse());

    }

    @Override

    public CompilationUnitTree parse(final String name, final String code, final DiagnosticListener listener) throws NashornException {

        final Source src = Source.sourceFor(name, code);

        return translate(makeParser(src, listener).parse());

    }

    @Override

    public CompilationUnitTree parse(final ScriptObjectMirror scriptObj, final DiagnosticListener listener) throws NashornException {

        if (map.containsKey("script") && map.containsKey("name")) {

            final String script = JSType.toString(map.get("script"));

            final Source src = Source.sourceFor(name, script);

            return translate(makeParser(src, listener).parse());

        } else {

            throw new IllegalArgumentException("can't find 'script' and 'name' properties");

        }

    }

    private jdk.nashorn.internal.parser.Parser makeParser(final Source source, final DiagnosticListener listener) {

        return new jdk.nashorn.internal.parser.Parser(env, source, errMgr);

    }

    private static class ListenerErrorManager extends ErrorManager {

        private final DiagnosticListener listener;

        ListenerErrorManager(final DiagnosticListener listener) {

            // null check

            listener.getClass();

            this.listener = listener;

        }

        @Override

        public void error(final String msg) {

            error(new ParserException(msg));

        }

        @Override

        public void error(final ParserException e) {

            listener.report(new DiagnosticImpl(e, Diagnostic.Kind.ERROR));

        }

        @Override

        public void warning(final String msg) {

            warning(new ParserException(msg));

        }

        @Override

        public void warning(final ParserException e) {

            listener.report(new DiagnosticImpl(e, Diagnostic.Kind.WARNING));

        }

    }

    private static CompilationUnitTree translate(final FunctionNode node) {

        return new IRTranslator().translate(node);

    }

}