| 1 | #include <list>
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| 2 | using namespace std;
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| 3 |
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| 4 | #define BFX_INTRUSION(S)
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| 5 | #define BFX_EXTRUSION_DECL(S)
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| 6 | #define BFX_EXTRUSION_FOLLOWUP(S)
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| 7 | #define BFX_LIST_HEAD_T(S) list<S*>
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| 8 | #define BFX_LISTED_ELEM_T(S) list<S*>::iterator
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| 9 |
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| 10 | #define BFX_INSERT_FIRST(S, lst, item) (lst.push_front(&item), lst.begin())
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| 11 | #define BFX_INSERT_LAST(S, lst, item) (lst.push_back(&item), BFX_GET_BEFORE(S, lst, lst.end()))
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| 12 | #define BFX_REMOVE_FIRST(S, lst) lst.pop_front()
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| 13 | #define BFX_REMOVE_LAST(S, lst) lst.pop_back()
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| 14 | #define BFX_INSERT_BEFORE(S, lst, item, refIter) lst.insert(refIter, &item)
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| 15 | #define BFX_INSERT_AFTER(S, lst, item, refIter) lst.insert(BFX_GET_AFTER(S, lst, refIter), &item)
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| 16 | #define BFX_REMOVE_HERE(S, lst, refIter) lst.erase(refIter)
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| 17 | #define BFX_INIT(S, lst)
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| 18 |
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| 19 | #define BFX_GET_AFTER(S, lst, iter) ({ list<S*>::iterator answer = (iter); answer++; answer;})
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| 20 | #define BFX_GET_BEFORE(S, lst, iter) ({ list<S*>::iterator answer = (iter); if ((answer) == lst.begin()) { answer = lst.end(); } else { answer--; } answer; })
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| 21 | #define BFX_IS_VALID_POS(S, lst, iter) ((iter)!=lst.end())
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| 22 | #define BFX_DEREF_POS(S, lst, iter) (*iter)
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