Minetest
5.4.0
basic_macros.h
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/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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 Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#define ARRLEN(x) (sizeof(x) / sizeof((x)[0]))
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#define MYMIN(a, b) ((a) < (b) ? (a) : (b))
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#define MYMAX(a, b) ((a) > (b) ? (a) : (b))
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// Requires <algorithm>
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#define CONTAINS(c, v) (std::find((c).begin(), (c).end(), (v)) != (c).end())
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// To disable copy constructors and assignment operations for some class
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// 'Foobar', add the macro DISABLE_CLASS_COPY(Foobar) as a private member.
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// Note this also disables copying for any classes derived from 'Foobar' as well
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// as classes having a 'Foobar' member.
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#define DISABLE_CLASS_COPY(C) \
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C(const C &) = delete; \
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C &operator=(const C &) = delete;
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#ifndef _MSC_VER
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#define UNUSED_ATTRIBUTE __attribute__ ((unused))
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#else
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#define UNUSED_ATTRIBUTE
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#endif
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// Fail compilation if condition expr is not met.
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// Note that 'msg' must follow the format of a valid identifier, e.g.
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// STATIC_ASSERT(sizeof(foobar_t) == 40), foobar_t_is_wrong_size);
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#define STATIC_ASSERT(expr, msg) \
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UNUSED_ATTRIBUTE typedef char msg[!!(expr) * 2 - 1]
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// Macros to facilitate writing position vectors to a stream
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// Usage:
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// v3s16 pos(1,2,3);
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// mystream << "message " << PP(pos) << std::endl;
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#define PP(x) "("
<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
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#define PP2(x) "("
<<(x).X<<","<<(x).Y<<")"
util
basic_macros.h
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