ilusha/lua
1
0
Fork 0
mirror of https://github.com/lua/lua synced 2026-09-26 16:17:11 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Global initialization checks name conflict

Browse source 
Initialization "global a = 10" raises an error if global 'a' is already
defined, that is, it has a non-nil value.
This commit is contained in:
Roberto I 2025-11-08 11:43:42 -03:00
parent f791bb6906
commit e44f3a2ffc
13 changed files with 87 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

8
ldebug.c
View file

@ -814,6 +814,14 @@ l_noret luaG_ordererror (lua_State *L, const TValue *p1, const TValue *p2) {
}
l_noret luaG_errnnil (lua_State *L, LClosure *cl, int k) {
const char *globalname = "?"; /* default name if k == 0 */
if (k > 0)
kname(cl->p, k - 1, &globalname);
luaG_runerror(L, "global '%s' already defined", globalname);
}
/* add src:line information to 'msg' */
const char *luaG_addinfo (lua_State *L, const char *msg, TString *src,
int line) {