1// Copyright 2011 Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9//   notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above copyright
11//   notice, this list of conditions and the following disclaimer in the
12//   documentation and/or other materials provided with the distribution.
13// * Neither the name of Google Inc. nor the names of its contributors
14//   may be used to endorse or promote products derived from this software
15//   without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29/// \file exceptions.hpp
30/// Exception types raised by lutok.
31
32#if !defined(LUTOK_EXCEPTIONS_HPP)
33#define LUTOK_EXCEPTIONS_HPP
34
35#include <stdexcept>
36#include <string>
37
38namespace lutok {
39
40
41class state;
42
43
44/// Base exception for lua errors.
45class error : public std::runtime_error {
46public:
47    explicit error(const std::string&);
48    virtual ~error(void) throw();
49};
50
51
52/// Exception for errors raised by the Lua API library.
53class api_error : public error {
54    /// Name of the Lua C API function that caused the error.
55    std::string _api_function;
56
57public:
58    explicit api_error(const std::string&, const std::string&);
59    virtual ~api_error(void) throw();
60
61    static api_error from_stack(state&, const std::string&);
62
63    const std::string& api_function(void) const;
64};
65
66
67/// File not found error.
68class file_not_found_error : public error {
69    /// Name of the not-found file.
70    std::string _filename;
71
72public:
73    explicit file_not_found_error(const std::string&);
74    virtual ~file_not_found_error(void) throw();
75
76    const std::string& filename(void) const;
77};
78
79
80}  // namespace lutok
81
82
83#endif  // !defined(LUTOK_EXCEPTIONS_HPP)
84