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feat(lua): more specific error messages for vim.api type checking

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This commit is contained in:
bfredl 2023-08-01 23:19:17 +02:00
parent cc87dda31a
commit c01e624b07
1 changed files with 11 additions and 2 deletions
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13
src/nvim/generators/gen_api_dispatch.lua
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@ -558,6 +558,7 @@ local function process_function(fn)
static int %s(lua_State *lstate)
{
Error err = ERROR_INIT;
char *err_param = 0;
if (lua_gettop(lstate) != %i) {
api_set_error(&err, kErrorTypeValidation, "Expected %i argument%s");
goto exit_0;
@ -605,6 +606,7 @@ local function process_function(fn)
extra = "true, "
end
local errshift = 0
local seterr = ''
if string.match(param_type, '^KeyDict_') then
write_shifted_output(output, string.format([[
%s %s = { 0 }; nlua_pop_keydict(lstate, &%s, %s_get_field, %s&err);]], param_type, cparam, cparam, param_type, extra))
@ -613,11 +615,13 @@ local function process_function(fn)
else
write_shifted_output(output, string.format([[
const %s %s = nlua_pop_%s(lstate, %s&err);]], param[1], cparam, param_type, extra))
seterr = [[
err_param = "]]..param[2]..[[";]]
end
write_shifted_output(output, string.format([[
if (ERROR_SET(&err)) {
if (ERROR_SET(&err)) {]]..seterr..[[
goto exit_%u;
}
@ -661,9 +665,14 @@ local function process_function(fn)
exit_0:
if (ERROR_SET(&err)) {
luaL_where(lstate, 1);
if (err_param) {
lua_pushstring(lstate, "param '");
lua_pushstring(lstate, err_param);
lua_pushstring(lstate, "': ");
}
lua_pushstring(lstate, err.msg);
api_clear_error(&err);
lua_concat(lstate, 2);
lua_concat(lstate, err_param ? 5 : 2);
return lua_error(lstate);
}
]]