| 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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