1/*
2 *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
4 *  Copyright (C) 2003, 2007 Apple Inc. All rights reserved.
5 *
6 *  This library is free software; you can redistribute it and/or
7 *  modify it under the terms of the GNU Library General Public
8 *  License as published by the Free Software Foundation; either
9 *  version 2 of the License, or (at your option) any later version.
10 *
11 *  This library is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 *  Library General Public License for more details.
15 *
16 *  You should have received a copy of the GNU Library General Public License
17 *  along with this library; see the file COPYING.LIB.  If not, write to
18 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 *  Boston, MA 02110-1301, USA.
20 *
21 */
22
23#ifndef Completion_h
24#define Completion_h
25
26#include "JSValue.h"
27
28namespace JSC {
29
30    class ExecState;
31    class ScopeChainNode;
32    class SourceCode;
33
34    enum ComplType { Normal, Break, Continue, ReturnValue, Throw, Interrupted, Terminated };
35
36    /*
37     * Completion objects are used to convey the return status and value
38     * from functions.
39     */
40    class Completion {
41    public:
42        Completion(ComplType type = Normal, JSValue value = JSValue())
43            : m_type(type)
44            , m_value(value)
45        {
46        }
47
48        ComplType complType() const { return m_type; }
49        JSValue value() const { return m_value; }
50        void setValue(JSValue v) { m_value = v; }
51        bool isValueCompletion() const { return m_value; }
52
53    private:
54        ComplType m_type;
55        JSValue m_value;
56    };
57
58    Completion checkSyntax(ExecState*, const SourceCode&);
59    Completion evaluate(ExecState*, ScopeChainNode*, const SourceCode&, JSValue thisValue = JSValue());
60
61} // namespace JSC
62
63#endif // Completion_h
64