mirror of
https://github.com/romkatv/powerlevel10k.git
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62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Copyright 2019 Roman Perepelitsa.
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//
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// This file is part of GitStatus.
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//
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// GitStatus is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GitStatus is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with GitStatus. If not, see <https://www.gnu.org/licenses/>.
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#ifndef ROMKATV_GITSTATUS_CHECK_H_
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#define ROMKATV_GITSTATUS_CHECK_H_
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#include "logging.h"
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#include <stdexcept>
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// The argument must be an expression convertible to bool.
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// Does nothing if the expression evalutes to true. Otherwise
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// it's equivalent to LOG(FATAL).
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#define CHECK(cond...) \
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static_cast<void>(0), (!!(cond)) ? static_cast<void>(0) : LOG(FATAL) << #cond << ": "
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#define VERIFY(cond...) \
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static_cast<void>(0), ::gitstatus::internal_check::Thrower(!(cond)) \
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? static_cast<void>(0) \
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: LOG(ERROR) << #cond << ": "
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namespace gitstatus {
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struct Exception : std::exception {
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const char* what() const noexcept override { return "Exception"; }
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};
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namespace internal_check {
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class Thrower {
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public:
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Thrower(bool should_throw) : throw_(should_throw) {}
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Thrower(Thrower&&) = delete;
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explicit operator bool() const { return !throw_; }
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~Thrower() noexcept(false) {
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if (throw_) throw Exception();
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}
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private:
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bool throw_;
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};
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} // namespace internal_check
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} // namespace gitstatus
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#endif // ROMKATV_GITSTATUS_CHECK_H_
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