Completion.h 1.95 KB
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/*
 *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
 *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
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 *  Copyright (C) 2003, 2007 Apple Inc. All rights reserved.
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 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
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 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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 *  Boston, MA 02110-1301, USA.
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 *
 */

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#ifndef Completion_h
#define Completion_h
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#include "JSValue.h"
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namespace JSC {
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    class ExecState;
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    class ScopeChainNode;
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    class SourceCode;

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    enum ComplType { Normal, Break, Continue, ReturnValue, Throw, Interrupted, Terminated };
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    /*
     * Completion objects are used to convey the return status and value
     * from functions.
     */
    class Completion {
    public:
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        Completion(ComplType type = Normal, JSValue value = JSValue())
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            : m_type(type)
            , m_value(value)
        {
        }

        ComplType complType() const { return m_type; }
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        JSValue value() const { return m_value; }
        void setValue(JSValue v) { m_value = v; }
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        bool isValueCompletion() const { return m_value; }
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    private:
        ComplType m_type;
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        JSValue m_value;
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    };

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    Completion checkSyntax(ExecState*, const SourceCode&);
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    Completion evaluate(ExecState*, ScopeChainNode*, const SourceCode&, JSValue thisValue = JSValue());
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} // namespace JSC
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#endif // Completion_h