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Upgrade Lua to 5.4.3 (#217)

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Based on https://github.com/lua/lua/releases/tag/v5.4.3 (commit eadd8c7).
This commit is contained in:
Paul Kulchenko 2021-07-28 09:26:35 -07:00 • committed by GitHub
parent 3ac6576fe5
commit a73e808b25
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GPG key ID: 4AEE18F83AFDEB23
41 changed files with 464 additions and 264 deletions
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15
third_party/lua/lapi.c vendored
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@ -166,7 +166,7 @@ LUA_API int lua_gettop (lua_State *L) {
LUA_API void lua_settop (lua_State *L, int idx) {
CallInfo *ci;
StkId func;
StkId func, newtop;
ptrdiff_t diff; /* difference for new top */
lua_lock(L);
ci = L->ci;
@ -181,12 +181,13 @@ LUA_API void lua_settop (lua_State *L, int idx) {
api_check(L, -(idx+1) <= (L->top - (func + 1)), "invalid new top");
diff = idx + 1; /* will "subtract" index (as it is negative) */
}
#if defined(LUA_COMPAT_5_4_0)
if (diff < 0 && hastocloseCfunc(ci->nresults))
luaF_close(L, L->top + diff, CLOSEKTOP, 0);
#endif
api_check(L, L->tbclist < L->top + diff, "cannot pop an unclosed slot");
L->top += diff;
api_check(L, L->tbclist < L->top, "previous pop of an unclosed slot");
newtop = L->top + diff;
if (diff < 0 && L->tbclist >= newtop) {
lua_assert(hastocloseCfunc(ci->nresults));
luaF_close(L, newtop, CLOSEKTOP, 0);
}
L->top = newtop; /* correct top only after closing any upvalue */
lua_unlock(L);
}