92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2018 Cppcheck team.
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*
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* This program 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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* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//---------------------------------------------------------------------------
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#ifndef foreachH
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#define foreachH
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//---------------------------------------------------------------------------
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#include <cstdlib>
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#ifndef CPPCHECK_HAS_RANGE_FOR
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#if (defined(__GNUC__) && !defined (__clang__) && __GNUC__ == 4 && __GNUC_MINOR__ < 6) || defined(_MSC_VER)
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#define CPPCHECK_HAS_RANGE_FOR 0
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#else
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#define CPPCHECK_HAS_RANGE_FOR 1
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#endif
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#endif
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#if !CPPCHECK_HAS_RANGE_FOR
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template<class Range>
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typename Range::iterator range_begin(Range& r)
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{
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return r.begin();
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}
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template<class Range>
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typename Range::iterator range_end(Range& r)
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{
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return r.end();
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}
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template<class Range>
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typename Range::const_iterator range_begin(const Range& r)
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{
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return r.begin();
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}
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template<class Range>
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typename Range::const_iterator range_end(const Range& r)
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{
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return r.end();
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}
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template< class T, std::size_t N >
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T* range_begin(T(&array)[N])
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{
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return array;
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}
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template< class T, std::size_t N >
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T* range_end(T(&array)[N])
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{
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return array+N;
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}
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#define CPPCHECK_PRIVATE_VAR_CAT_IMPL(x, y) x ## y
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#define CPPCHECK_PRIVATE_VAR_CAT(x, y) CPPCHECK_PRIVATE_VAR_CAT_IMPL(x, y)
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#define CPPCHECK_PRIVATE_VAR(x) CPPCHECK_PRIVATE_VAR_CAT(_cppcheck_ ## x, __LINE__)
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#define FOREACH(VAR, ...) \
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if(bool CPPCHECK_PRIVATE_VAR(done) = false) {} \
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else for(auto && CPPCHECK_PRIVATE_VAR(rng) = (__VA_ARGS__); !CPPCHECK_PRIVATE_VAR(done);) \
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for(auto CPPCHECK_PRIVATE_VAR(begin) = range_begin(CPPCHECK_PRIVATE_VAR(rng)); !CPPCHECK_PRIVATE_VAR(done); \
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CPPCHECK_PRIVATE_VAR(done) = true) \
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for(auto CPPCHECK_PRIVATE_VAR(end) = range_end(CPPCHECK_PRIVATE_VAR(rng)); \
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!CPPCHECK_PRIVATE_VAR(done) && CPPCHECK_PRIVATE_VAR(begin) != CPPCHECK_PRIVATE_VAR(end); ++CPPCHECK_PRIVATE_VAR(begin)) \
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if(!(CPPCHECK_PRIVATE_VAR(done) = true)) {} \
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else for(VAR = *CPPCHECK_PRIVATE_VAR(begin); CPPCHECK_PRIVATE_VAR(done); CPPCHECK_PRIVATE_VAR(done) = false) \
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#else
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#define FOREACH(VAR, ...) for(VAR : (__VA_ARGS__))
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#endif
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#endif
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