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api/lua: add on_detach to nvim_buf_attach

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This commit is contained in:
Björn Linse
2019-06-15 11:07:00 +02:00
parent 93f8c2793c
commit 64cdf9f78a
5 changed files with 140 additions and 10 deletions
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11
src/nvim/lua/executor.c
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@@ -520,7 +520,8 @@ Object executor_exec_lua_api(const String str, const Array args, Error *err)
return nlua_pop_Object(lstate, false, err);
}
Object executor_exec_lua_cb(LuaRef ref, const char *name, Array args)
Object executor_exec_lua_cb(LuaRef ref, const char *name, Array args,
bool retval)
{
lua_State *const lstate = nlua_enter();
nlua_pushref(lstate, ref);
@@ -529,7 +530,7 @@ Object executor_exec_lua_cb(LuaRef ref, const char *name, Array args)
nlua_push_Object(lstate, args.items[i]);
}
if (lua_pcall(lstate, (int)args.size+1, 1, 0)) {
if (lua_pcall(lstate, (int)args.size+1, retval ? 1 : 0, 0)) {
// TODO(bfredl): callbacks:s might not always be msg-safe, for instance
// lua callbacks for redraw events. Later on let the caller deal with the
// error instead.
@@ -538,7 +539,11 @@ Object executor_exec_lua_cb(LuaRef ref, const char *name, Array args)
}
Error err = ERROR_INIT;
return nlua_pop_Object(lstate, false, &err);
if (retval) {
return nlua_pop_Object(lstate, false, &err);
} else {
return NIL;
}
}
/// Run lua string