e90585737f
With these new C++11 APIs, we can delete the `clone` and `rethrow` methods from our exception classes.
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include <string>
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#include "library/exception.h"
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namespace lean {
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static pp_fn mk_pp_fn(char const * msg) {
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std::string msg_str = msg;
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return [=](formatter const &) { return format(msg_str); }; // NOLINT
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}
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generic_exception::generic_exception(optional<expr> const & m, char const * msg):
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generic_exception(msg, m, mk_pp_fn(msg)) {}
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optional<pos_info> nested_exception::get_pos() const {
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if (m_pos)
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return m_pos;
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try {
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std::rethrow_exception(m_exception);
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} catch (ext_exception & ex) {
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return ex.get_pos();
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} catch (...) {
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return optional<pos_info>();
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}
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}
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format nested_exception::pp(formatter const & fmt) const {
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format r = m_pp_fn(fmt);
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r += line() + format("nested exception message:") + line();
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try {
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std::rethrow_exception(m_exception);
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} catch (ext_exception & ex) {
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r += ex.pp(fmt);
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} catch (std::exception & ex) {
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r += format(ex.what());
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} catch (...) {
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}
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return r;
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}
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}
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