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*: Provide list length when allocating lists

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ZyX
2018-01-03 00:00:16 +03:00
parent 9ddeb6e187
commit 9ea1752d60
19 changed files with 223 additions and 202 deletions
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19
src/nvim/eval/typval.h
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@@ -31,6 +31,25 @@ typedef double float_T;
/// Refcount for dict or list that should not be freed
enum { DO_NOT_FREE_CNT = (INT_MAX / 2) };
/// Additional values for tv_list_alloc() len argument
enum {
/// List length is not known in advance
///
/// To be used when there is neither a way to know how many elements will be
/// needed nor are any educated guesses.
kListLenUnknown = -1,
/// List length *should* be known, but is actually not
///
/// All occurrences of this value should be eventually removed. This is for
/// the case when the only reason why list length is not known is that it
/// would be hard to code without refactoring, but refactoring is needed.
kListLenShouldKnow = -2,
/// List length may be known in advance, but it requires too much effort
///
/// To be used when it looks impractical to determine list length.
kListLenMayKnow = -3,
} ListLenSpecials;
/// Maximal possible value of varnumber_T variable
#define VARNUMBER_MAX INT64_MAX
#define UVARNUMBER_MAX UINT64_MAX