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eval/typval: Add macros useful for hiding list item implementation

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ZyX 2017-12-10 00:20:05 +03:00
parent ddce5bca03
commit 49dd615693
1 changed files with 29 additions and 0 deletions
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29
src/nvim/eval/typval.h
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@ -456,6 +456,35 @@ extern bool tv_in_free_unref_items;
#define TV_LIST_ITER_CONST(l, li, code) \ #define TV_LIST_ITER_CONST(l, li, code) \
_TV_LIST_ITER_MOD(const, l, li, code) _TV_LIST_ITER_MOD(const, l, li, code)
// Below macros are macros to avoid duplicating code for functionally identical
// const and non-const function variants.
/// Get typval_T out of list item
///
/// @param[in] li List item to get typval_T from, must not be NULL.
///
/// @return Pointer to typval_T.
#define TV_LIST_ITEM_TV(li) (&(li)->li_tv)
/// Get next list item given the current one
///
/// @param[in] l List to get item from.
/// @param[in] li List item to get typval_T from.
///
/// @return Pointer to the next item or NULL.
#define TV_LIST_ITEM_NEXT(l, li) ((li)->li_next)
/// Get previous list item given the current one
///
/// @param[in] l List to get item from.
/// @param[in] li List item to get typval_T from.
///
/// @return Pointer to the previous item or NULL.
#define TV_LIST_ITEM_PREV(l, li) ((li)->li_prev)
// List argument is not used currently, but it is a must for lists implemented
// as a pair (size(in list), array) without terminator - basically for lists on
// top of kvec.
/// Iterate over a dictionary /// Iterate over a dictionary
/// ///
/// @param[in] d Dictionary to iterate over. /// @param[in] d Dictionary to iterate over.