aboutsummaryrefslogtreecommitdiff
path: root/0.8.0/paludis/util/exception.cc
blob: f9c7548933747252dc5a2cf7e6320e71e6a9519a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2005, 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
 *
 * This file is part of the Paludis package manager. Paludis is free software;
 * you can redistribute it and/or modify it under the terms of the GNU General
 * Public License version 2, as published by the Free Software Foundation.
 *
 * Paludis 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <paludis/util/exception.hh>
#include <libebt/libebt.hh>

/** \file
 * Exception class implementations.
 *
 * \ingroup grpexceptions
 */

using namespace paludis;

namespace
{
    struct ContextTag;
}

struct Context::ContextData
{
    libebt::BacktraceContext<ContextTag> context;

    ContextData(const std::string & s) :
        context(s)
    {
    }
};

Context::Context(const std::string & s) :
    _context_data(new ContextData(s))
{
}

Context::~Context()
{
    delete _context_data;
}

std::string
Context::backtrace(const std::string & delim)
{
    return libebt::BacktraceContext<ContextTag>::backtrace(delim);
}

struct Exception::ContextData :
    public libebt::Backtraceable<ContextTag>
{
};

Exception::Exception(const std::string & our_message) throw () :
    _message(our_message),
    _context_data(new ContextData)
{
}

Exception::Exception(const Exception & other) :
    std::exception(other),
    _message(other._message),
    _context_data(new ContextData(*other._context_data))
{
}

Exception::~Exception() throw ()
{
    delete _context_data;
}

bool
Exception::empty() const
{
    return _context_data->empty();
}

const std::string &
Exception::message() const throw ()
{
    return _message;
}

std::string
Exception::backtrace(const std::string & delim) const
{
    return _context_data->backtrace(delim);
}

NotAvailableError::NotAvailableError(const std::string & msg) throw () :
    Exception("Error: Not available: " + msg)
{
}

InternalError::InternalError(const std::string & where, const std::string & our_message) throw () :
    Exception("Eek! Internal error at " + where + ": " + our_message)
{
}

InternalError::InternalError(const std::string & where) throw () :
    Exception("Eek! Internal error at " + where)
{
}

NameError::NameError(const std::string & name, const std::string & role) throw () :
    Exception("Name '" + name + "' is not a valid " + role)
{
}

ConfigurationError::ConfigurationError(const std::string & msg) throw () :
    Exception(msg)
{
}