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feat(autocmds): retrieve lua callback (#18642)

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add a new `callback` field to `nvim_get_autocmds`
This commit is contained in:
kylo252
2022-06-09 15:18:56 +02:00
committed by GitHub
parent c5720c7221
commit 3da3cfc864
5 changed files with 112 additions and 38 deletions
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38
src/nvim/api/autocmd.c
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@@ -66,7 +66,9 @@ static int64_t next_autocmd_id = 1;
/// - group_name (string): the autocommand group name.
/// - desc (string): the autocommand description.
/// - event (string): the autocommand event.
/// - command (string): the autocommand command.
/// - command (string): the autocommand command. Note: this will be empty if a callback is set.
/// - callback (function|string|nil): Lua function or name of a Vim script function
/// which is executed when this autocommand is triggered.
/// - once (boolean): whether the autocommand is only run once.
/// - pattern (string): the autocommand pattern.
/// If the autocommand is buffer local |autocmd-buffer-local|:
@@ -280,9 +282,28 @@ Array nvim_get_autocmds(Dict(get_autocmds) *opts, Error *err)
PUT(autocmd_info, "desc", CSTR_TO_OBJ(ac->desc));
}
PUT(autocmd_info,
"command",
STRING_OBJ(cstr_as_string(aucmd_exec_to_string(ac, ac->exec))));
if (ac->exec.type == CALLABLE_CB) {
PUT(autocmd_info, "command", STRING_OBJ(STRING_INIT));
Callback *cb = &ac->exec.callable.cb;
switch (cb->type) {
case kCallbackLua:
if (nlua_ref_is_function(cb->data.luaref)) {
PUT(autocmd_info, "callback", LUAREF_OBJ(api_new_luaref(cb->data.luaref)));
}
break;
case kCallbackFuncref:
case kCallbackPartial:
PUT(autocmd_info, "callback", STRING_OBJ(cstr_as_string(callback_to_string(cb))));
break;
default:
abort();
}
} else {
PUT(autocmd_info,
"command",
STRING_OBJ(cstr_as_string(xstrdup(ac->exec.callable.cmd))));
}
PUT(autocmd_info,
"pattern",
@@ -442,7 +463,8 @@ Integer nvim_create_autocmd(uint64_t channel_id, Object event, Dict(create_autoc
// not do that.
Object *callback = &opts->callback;
if (callback->type == kObjectTypeLuaRef) {
switch (callback->type) {
case kObjectTypeLuaRef:
if (callback->data.luaref == LUA_NOREF) {
api_set_error(err,
kErrorTypeValidation,
@@ -459,10 +481,12 @@ Integer nvim_create_autocmd(uint64_t channel_id, Object event, Dict(create_autoc
cb.type = kCallbackLua;
cb.data.luaref = api_new_luaref(callback->data.luaref);
} else if (callback->type == kObjectTypeString) {
break;
case kObjectTypeString:
cb.type = kCallbackFuncref;
cb.data.funcref = string_to_cstr(callback->data.string);
} else {
break;
default:
api_set_error(err,
kErrorTypeException,
"'callback' must be a lua function or name of vim function");