mirror of
https://github.com/ZDoom/qzdoom.git
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129 lines
3.4 KiB
C++
129 lines
3.4 KiB
C++
/*
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** autosegs.h
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** Arrays built at link-time
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#ifndef AUTOSEGS_H
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#define AUTOSEGS_H
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#ifdef __GNUC__
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#ifdef __MACH__
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#define AREG_SECTION "__DATA,areg"
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#define CREG_SECTION "__DATA,creg"
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#define GREG_SECTION "__DATA,greg"
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#define MREG_SECTION "__DATA,mreg"
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#define YREG_SECTION "__DATA,yreg"
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#else
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#define AREG_SECTION "areg"
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#define CREG_SECTION "creg"
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#define GREG_SECTION "greg"
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#define MREG_SECTION "mreg"
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#define YREG_SECTION "yreg"
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#endif
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#endif
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#define REGMARKER(x) (x)
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typedef void *REGINFO;
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// List of Action functons
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extern REGINFO ARegHead;
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extern REGINFO ARegTail;
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// List of TypeInfos
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extern REGINFO CRegHead;
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extern REGINFO CRegTail;
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// List of properties
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extern REGINFO GRegHead;
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extern REGINFO GRegTail;
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// List of variables
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extern REGINFO MRegHead;
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extern REGINFO MRegTail;
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// List of MAPINFO map options
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extern REGINFO YRegHead;
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extern REGINFO YRegTail;
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template<class T, REGINFO *_head, REGINFO *_tail>
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class TAutoSegIteratorNoArrow
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{
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public:
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TAutoSegIteratorNoArrow ()
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{
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// Weirdness. Mingw's linker puts these together backwards.
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if (_head < _tail)
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{
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Head = _head;
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Tail = _tail;
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}
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else
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{
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Head = _tail;
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Tail = _head;
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}
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Probe = (T *)REGMARKER(Head);
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}
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operator T () const
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{
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return *Probe;
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}
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TAutoSegIteratorNoArrow &operator++()
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{
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do
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{
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++Probe;
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} while (*Probe == 0 && Probe < (T *)REGMARKER(Tail));
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return *this;
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}
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void Reset ()
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{
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Probe = (T *)REGMARKER(Head);
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}
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protected:
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T *Probe;
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REGINFO *Head;
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REGINFO *Tail;
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};
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template<class T, REGINFO *head, REGINFO *tail>
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class TAutoSegIterator : public TAutoSegIteratorNoArrow<T, head, tail>
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{
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public:
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T operator->() const
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{
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return *(this->Probe);
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}
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};
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#endif
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