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8c95516224
- updaterevision for automated revision string generation - re2c as a prerequisite to use sc_man in the future - zipdir to automatically generate an engine resource file.
56 lines
813 B
C++
56 lines
813 B
C++
#ifndef _RE2C_UTIL_FREE_LIST_
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#define _RE2C_UTIL_FREE_LIST_
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#include <set>
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namespace re2c
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{
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template<class _Ty>
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class free_list: protected std::set<_Ty>
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{
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public:
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typedef typename std::set<_Ty>::iterator iterator;
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typedef typename std::set<_Ty>::size_type size_type;
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typedef typename std::set<_Ty>::key_type key_type;
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free_list(): in_clear(false)
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{
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}
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using std::set<_Ty>::insert;
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size_type erase(const key_type& key)
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{
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if (!in_clear)
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{
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return std::set<_Ty>::erase(key);
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}
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return 0;
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}
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void clear()
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{
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in_clear = true;
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for(iterator it = this->begin(); it != this->end(); ++it)
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{
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delete *it;
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}
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std::set<_Ty>::clear();
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in_clear = false;
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}
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~free_list()
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{
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clear();
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}
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protected:
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bool in_clear;
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};
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} // end namespace re2c
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#endif // _RE2C_UTIL_FREE_LIST_
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