#882

Committed 31 Aug 2023 07:44PM UTC coverage: 41.798% (-44.7%) from 86.546%

Build # #882

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4.76

/libs/core/errors/src/exception_list.cpp

//  Copyright (c) 2007-2025 Hartmut Kaiser
//
//  SPDX-License-Identifier: BSL-1.0
//  Distributed under the Boost Software License, Version 1.0. (See accompanying
//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <hpx/config.hpp>
#include <hpx/errors/exception.hpp>
#include <hpx/errors/exception_list.hpp>
#include <hpx/modules/thread_support.hpp>

#include <exception>
#include <mutex>
#include <set>
#include <string>
#include <system_error>
#include <utility>

namespace hpx {
    namespace detail {
        std::string indent_message(std::string const& msg_)
        {
            std::string result;
            std::string const& msg(msg_);
            std::string::size_type pos = msg.find_first_of('\n');
            std::string::size_type first_non_ws = msg.find_first_not_of(" \n");
            std::string::size_type pos1 = 0;

            while (std::string::npos != pos)
            {
                if (pos > first_non_ws)
                {    // skip leading newline
                    result += msg.substr(pos1, pos - pos1 + 1);
                    pos = msg.find_first_of('\n', pos1 = pos + 1);
                    if (std::string::npos != pos)
                    {
                        result += "  ";
                    }
                }
                else
                {
                    pos = msg.find_first_of('\n', pos1 = pos + 1);
                }
            }

            result += msg.substr(pos1);
            return result;
        }
    }    // namespace detail

    error_code throws;    // "throw on error" special error_code;
                          //
                          // Note that it doesn't matter if this isn't
                          // initialized before use since the only use is
                          // to take its address for comparison purposes.

    exception_list::exception_list()
      : hpx::exception(hpx::error::success)
      , mtx_()
    {
    }

    exception_list::exception_list(std::exception_ptr const& e)
      : hpx::exception(hpx::get_error(e), hpx::get_error_what(e))
      , mtx_()
    {
        add_no_lock(e);
    }

    exception_list::exception_list(exception_list_type&& l)
      : hpx::exception(
            !l.empty() ? hpx::get_error(l.front()) : hpx::error::success)
      , exceptions_(HPX_MOVE(l))
      , mtx_()
    {
    }

    exception_list::exception_list(exception_list const& l)
      : hpx::exception(static_cast<hpx::exception const&>(l))
      , exceptions_(l.exceptions_)
      , mtx_()
    {
    }

    exception_list::exception_list(exception_list&& l) noexcept
      : hpx::exception(HPX_MOVE(static_cast<hpx::exception&>(l)))
      , exceptions_(HPX_MOVE(l.exceptions_))
      , mtx_()
    {
    }

    exception_list& exception_list::operator=(exception_list const& l)
    {
        if (this != &l)
        {
            *static_cast<hpx::exception*>(this) =
                static_cast<hpx::exception const&>(l);
            exceptions_ = l.exceptions_;
        }
        return *this;
    }

    exception_list& exception_list::operator=(exception_list&& l) noexcept
    {
        if (this != &l)
        {
            static_cast<hpx::exception&>(*this) =
                HPX_MOVE(static_cast<hpx::exception&>(l));
            exceptions_ = HPX_MOVE(l.exceptions_);
        }
        return *this;
    }

    ///////////////////////////////////////////////////////////////////////////
    std::error_code exception_list::get_error_code() const
    {
        std::lock_guard<mutex_type> l(mtx_);
        if (exceptions_.empty())
            return hpx::error::no_success;
        return hpx::get_error(exceptions_.front());
    }

    std::string exception_list::get_message() const
    {
        std::lock_guard<mutex_type> l(mtx_);
        if (exceptions_.empty())
            return "";

        if (1 == exceptions_.size())
            return hpx::get_error_what(exceptions_.front());

        std::string result("\n");

        exception_list_type::const_iterator end = exceptions_.end();
        exception_list_type::const_iterator it = exceptions_.begin();
        for (/**/; it != end; ++it)
        {
            result += "  ";
            result += detail::indent_message(hpx::get_error_what(*it));
            if (result.find_last_of('\n') < result.size() - 1)
                result += "\n";
        }
        return result;
    }

    void exception_list::add(std::exception_ptr const& e)
    {
        std::unique_lock<mutex_type> l(mtx_);
        if (exceptions_.empty())
        {
            hpx::exception ex;
            {
                unlock_guard<std::unique_lock<mutex_type>> ul(l);
                ex = hpx::exception(hpx::get_error(e), hpx::get_error_what(e));
            }

            // set the error code for our base class
            static_cast<hpx::exception&>(*this) = ex;
        }
        exceptions_.push_back(e);
    }

    void exception_list::add_no_lock(std::exception_ptr const& e)
    {
        exceptions_.push_back(e);
    }
}    // namespace hpx

1	// Copyright (c) 2007-2025 Hartmut Kaiser
2	//
3	// SPDX-License-Identifier: BSL-1.0
4	// Distributed under the Boost Software License, Version 1.0. (See accompanying
5	// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7	#include <hpx/config.hpp>
8	#include <hpx/errors/exception.hpp>
9	#include <hpx/errors/exception_list.hpp>
10	#include <hpx/modules/thread_support.hpp>
11
12	#include <exception>
13	#include <mutex>
14	#include <set>
15	#include <string>
16	#include <system_error>
17	#include <utility>
18
19	namespace hpx {
20	namespace detail {
21	std::string indent_message(std::string const& msg_)	×
22	{
23	std::string result;
24	std::string const& msg(msg_);
25	std::string::size_type pos = msg.find_first_of('\n');
26	std::string::size_type first_non_ws = msg.find_first_not_of(" \n");
27	std::string::size_type pos1 = 0;
28
29	while (std::string::npos != pos)	×
30	{
31	if (pos > first_non_ws)	×
32	{ // skip leading newline
33	result += msg.substr(pos1, pos - pos1 + 1);	×
34	pos = msg.find_first_of('\n', pos1 = pos + 1);	×
35	if (std::string::npos != pos)	×
36	{
37	result += " ";
38	}
39	}
40	else
41	{
42	pos = msg.find_first_of('\n', pos1 = pos + 1);	×
43	}
44	}
45
46	result += msg.substr(pos1);	×
47	return result;	×
48	}
49	} // namespace detail
50
51	error_code throws; // "throw on error" special error_code;
52	//
53	// Note that it doesn't matter if this isn't
54	// initialized before use since the only use is
55	// to take its address for comparison purposes.
56
57	exception_list::exception_list()	236✔
58	: hpx::exception(hpx::error::success)
59	, mtx_()	236✔
60	{
61	}	236✔
62
63	exception_list::exception_list(std::exception_ptr const& e)	×
64	: hpx::exception(hpx::get_error(e), hpx::get_error_what(e))	×
65	, mtx_()	×
66	{
67	add_no_lock(e);	×
68	}	×
69
70	exception_list::exception_list(exception_list_type&& l)	×
71	: hpx::exception(
72	!l.empty() ? hpx::get_error(l.front()) : hpx::error::success)	×
73	, exceptions_(HPX_MOVE(l))
74	, mtx_()	×
75	{
76	}	×
77
78	exception_list::exception_list(exception_list const& l)	×
79	: hpx::exception(static_cast<hpx::exception const&>(l))
80	, exceptions_(l.exceptions_)	×
81	, mtx_()	×
82	{
83	}	×
84
85	exception_list::exception_list(exception_list&& l) noexcept	×
86	: hpx::exception(HPX_MOVE(static_cast<hpx::exception&>(l)))
87	, exceptions_(HPX_MOVE(l.exceptions_))
88	, mtx_()	×
89	{
90	}	×
91
92	exception_list& exception_list::operator=(exception_list const& l)	×
93	{
94	if (this != &l)	×
95	{
96	static_cast<hpx::exception>(this) =
97	static_cast<hpx::exception const&>(l);
98	exceptions_ = l.exceptions_;	×
99	}
100	return *this;	×
101	}
102
103	exception_list& exception_list::operator=(exception_list&& l) noexcept	×
104	{
105	if (this != &l)	×
106	{
107	static_cast<hpx::exception&>(*this) =
108	HPX_MOVE(static_cast<hpx::exception&>(l));
109	exceptions_ = HPX_MOVE(l.exceptions_);	×
110	}
111	return *this;	×
112	}
113
114	///////////////////////////////////////////////////////////////////////////
115	std::error_code exception_list::get_error_code() const	×
116	{
117	std::lock_guard<mutex_type> l(mtx_);	×
118	if (exceptions_.empty())	×
119	return hpx::error::no_success;	×
120	return hpx::get_error(exceptions_.front());	×
121	}
122
123	std::string exception_list::get_message() const	×
124	{
125	std::lock_guard<mutex_type> l(mtx_);	×
126	if (exceptions_.empty())	×
127	return "";	×
128
129	if (1 == exceptions_.size())	×
130	return hpx::get_error_what(exceptions_.front());	×
131
132	std::string result("\n");	×
133
134	exception_list_type::const_iterator end = exceptions_.end();
135	exception_list_type::const_iterator it = exceptions_.begin();
136	for (/**/; it != end; ++it)	×
137	{
138	result += " ";
139	result += detail::indent_message(hpx::get_error_what(*it));	×
140	if (result.find_last_of('\n') < result.size() - 1)	×
141	result += "\n";
142	}
143	return result;	×
144	}
145
146	void exception_list::add(std::exception_ptr const& e)	×
147	{
148	std::unique_lock<mutex_type> l(mtx_);	×
149	if (exceptions_.empty())	×
150	{
151	hpx::exception ex;	×
152	{
153	unlock_guard<std::unique_lock<mutex_type>> ul(l);
154	ex = hpx::exception(hpx::get_error(e), hpx::get_error_what(e));	×
155	}
156
157	// set the error code for our base class
158	static_cast<hpx::exception&>(*this) = ex;
159	}	×
160	exceptions_.push_back(e);	×
161	}	×
162
163	void exception_list::add_no_lock(std::exception_ptr const& e)	×
164	{
165	exceptions_.push_back(e);	×
166	}	×
167	} // namespace hpx

STEllAR-GROUP / hpx / #882

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