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refactor(map): avoid duplicated khash_t types for values

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This reduces the total number of khash_t instantiations from 22 to 8.

Make the khash internal functions take the size of values as a runtime
parameter. This is abstracted with typesafe Map containers which
are still specialized for both key, value type.

Introduce `Set(key)` type for when there is no value.

Refactor shada.c to use Map/Set instead of khash directly.
This requires `map_ref` operation to be more flexible.
Return pointers to both key and value, plus an indicator for new_item.
As a bonus, `map_key` is now redundant.

Instead of Map(cstr_t, FileMarks), use a pointer map as the FileMarks struct is
humongous.

Make `event_strings` actually work like an intern pool instead of wtf it
was doing before.
This commit is contained in:
bfredl
2023-05-14 18:45:56 +02:00
parent 33687f5e87
commit e2fdd53d8c
32 changed files with 408 additions and 462 deletions
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4
src/nvim/buffer.c
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@@ -833,7 +833,7 @@ void buf_freeall(buf_T *buf, int flags)
/// itself (not the file, that must have been done already).
static void free_buffer(buf_T *buf)
{
pmap_del(handle_T)(&buffer_handles, buf->b_fnum);
pmap_del(int)(&buffer_handles, buf->b_fnum, NULL);
buf_free_count++;
// b:changedtick uses an item in buf_T.
free_buffer_stuff(buf, kBffClearWinInfo);
@@ -1865,7 +1865,7 @@ buf_T *buflist_new(char *ffname_arg, char *sfname_arg, linenr_T lnum, int flags)
lastbuf = buf;
buf->b_fnum = top_file_num++;
pmap_put(handle_T)(&buffer_handles, buf->b_fnum, buf);
pmap_put(int)(&buffer_handles, buf->b_fnum, buf);
if (top_file_num < 0) { // wrap around (may cause duplicates)
emsg(_("W14: Warning: List of file names overflow"));
if (emsg_silent == 0 && !in_assert_fails) {