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