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fix(runtime): don't use regexes inside lua require'mod'

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Fixes #15147 and fixes #15497. Also sketch "subdir" caching. Currently
this only caches whether an rtp entry has a "lua/" subdir but we could
consider cache other subdirs potentially or even "lua/mybigplugin/"
possibly.

Note: the async_leftpad test doesn't actually fail on master, at least
not deterministically (even when disabling the fast_breakcheck
throttling). It's still useful as a regression test for further changes
and included as such.
This commit is contained in:
Björn Linse
2021-09-28 13:51:26 +02:00
parent f19dc06081
commit ea2023f689
15 changed files with 179 additions and 42 deletions
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6
src/nvim/lua/executor.c
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@@ -790,7 +790,7 @@ int nlua_call(lua_State *lstate)
Error err = ERROR_INIT;
size_t name_len;
const char_u *name = (const char_u *)luaL_checklstring(lstate, 1, &name_len);
if (!nlua_is_deferred_safe(lstate)) {
if (!nlua_is_deferred_safe()) {
return luaL_error(lstate, e_luv_api_disabled, "vimL function");
}
@@ -846,7 +846,7 @@ free_vim_args:
static int nlua_rpcrequest(lua_State *lstate)
{
if (!nlua_is_deferred_safe(lstate)) {
if (!nlua_is_deferred_safe()) {
return luaL_error(lstate, e_luv_api_disabled, "rpcrequest");
}
return nlua_rpc(lstate, true);
@@ -1316,7 +1316,7 @@ Object nlua_call_ref(LuaRef ref, const char *name, Array args, bool retval, Erro
/// check if the current execution context is safe for calling deferred API
/// methods. Luv callbacks are unsafe as they are called inside the uv loop.
bool nlua_is_deferred_safe(lua_State *lstate)
bool nlua_is_deferred_safe(void)
{
return in_fast_callback == 0;
}