| 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 KJS_Interpreter_h |
| 24 | #define KJS_Interpreter_h |
| 25 | |
| 26 | #include <wtf/PassRefPtr.h> |
| 27 | |
| 28 | namespace KJS { |
| 29 | |
| 30 | class Completion; |
| 31 | class ExecState; |
| 32 | class JSValue; |
| 33 | class SourceCode; |
| 34 | class UString; |
| 35 | |
| 36 | struct UChar; |
| 37 | |
| 38 | class Interpreter { |
| 39 | public: |
| 40 | /** |
| 41 | * Parses the supplied ECMAScript code and checks for syntax errors. |
| 42 | * |
| 43 | * @param code The code to check |
| 44 | * @return A normal completion if there were no syntax errors in the code, |
| 45 | * otherwise a throw completion with the syntax error as its value. |
| 46 | */ |
| 47 | static Completion checkSyntax(ExecState*, const SourceCode&); |
| 48 | |
| 49 | /** |
| 50 | * Evaluates the supplied ECMAScript code. |
| 51 | * |
| 52 | * Since this method returns a Completion, you should check the type of |
| 53 | * completion to detect an error or before attempting to access the returned |
| 54 | * value. For example, if an error occurs during script execution and is not |
| 55 | * caught by the script, the completion type will be Throw. |
| 56 | * |
| 57 | * If the supplied code is invalid, a SyntaxError will be thrown. |
| 58 | * |
| 59 | * @param code The code to evaluate |
| 60 | * @param thisV The value to pass in as the "this" value for the script |
| 61 | * execution. This should either be jsNull() or an Object. |
| 62 | * @return A completion object representing the result of the execution. |
| 63 | */ |
| 64 | static Completion evaluate(ExecState*, const SourceCode&, JSValue* thisV = 0); |
| 65 | |
| 66 | static bool shouldPrintExceptions(); |
| 67 | static void setShouldPrintExceptions(bool); |
| 68 | }; |
| 69 | |
| 70 | } // namespace KJS |
| 71 | |
| 72 | #endif // KJS_Interpreter_h |