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refactor(lua): use Arena when converting from lua stack to API args

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and for return value of nlua_exec/nlua_call_ref, as this uses
the same family of functions.

NB: the handling of luaref:s is a bit of a mess.
add api_luarefs_free_XX functions as a stop-gap as refactoring
luarefs is a can of worms for another PR:s.

as a minor feature/bug-fix, nvim_buf_call and nvim_win_call now preserves
arbitrary return values.
This commit is contained in:
bfredl
2024-02-11 15:46:14 +01:00
parent 89135cff03
commit 0353dd3029
33 changed files with 318 additions and 230 deletions
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7
src/nvim/api/buffer.c
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@@ -1227,8 +1227,7 @@ ArrayOf(Integer, 2) nvim_buf_get_mark(Buffer buffer, String name, Error *err)
/// @param fun Function to call inside the buffer (currently Lua callable
/// only)
/// @param[out] err Error details, if any
/// @return Return value of function. NB: will deepcopy Lua values
/// currently, use upvalues to send Lua references in and out.
/// @return Return value of function.
Object nvim_buf_call(Buffer buffer, LuaRef fun, Error *err)
FUNC_API_SINCE(7)
FUNC_API_LUA_ONLY
@@ -1242,7 +1241,7 @@ Object nvim_buf_call(Buffer buffer, LuaRef fun, Error *err)
aucmd_prepbuf(&aco, buf);
Array args = ARRAY_DICT_INIT;
Object res = nlua_call_ref(fun, NULL, args, true, err);
Object res = nlua_call_ref(fun, NULL, args, kRetLuaref, NULL, err);
aucmd_restbuf(&aco);
try_end(err);
@@ -1419,7 +1418,7 @@ static void push_linestr(lua_State *lstate, Array *a, const char *s, size_t len,
} else {
String str = STRING_INIT;
if (len > 0) {
str = arena_string(arena, cbuf_as_string((char *)s, len));
str = CBUF_TO_ARENA_STR(arena, s, len);
if (replace_nl) {
// Vim represents NULs as NLs, but this may confuse clients.
strchrsub(str.data, '\n', '\0');