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Make "divide by zero" or "modulo by zero" errors show the file and line of where it happened

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Shouldn't break scripts as it stops execution as soon it happens, like it already does.
This commit is contained in:
Steel Titanium 2020-09-14 22:54:07 -04:00
parent 18adf478ca
commit 9b180acdd7
1 changed files with 4 additions and 6 deletions
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10
src/blua/lvm.c
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@ -322,8 +322,8 @@ static void Arith (lua_State *L, StkId ra, TValue *rb,
case TM_ADD: setnvalue(ra, luai_numadd(nb, nc)); break;
case TM_SUB: setnvalue(ra, luai_numsub(nb, nc)); break;
case TM_MUL: setnvalue(ra, luai_nummul(nb, nc)); break;
case TM_DIV: if (nc == 0) { lua_pushliteral(L, "divide by zero error"); lua_error(L); } else setnvalue(ra, luai_numdiv(nb, nc)); break;
case TM_MOD: if (nc == 0) { lua_pushliteral(L, "modulo by zero error"); lua_error(L); } else setnvalue(ra, luai_nummod(nb, nc)); break;
case TM_DIV: if (nc == 0) { luaG_runerror(L, "divide by zero error"); } else setnvalue(ra, luai_numdiv(nb, nc)); break;
case TM_MOD: if (nc == 0) { luaG_runerror(L, "modulo by zero error"); } else setnvalue(ra, luai_nummod(nb, nc)); break;
case TM_POW: setnvalue(ra, luai_numpow(nb, nc)); break;
case TM_UNM: setnvalue(ra, luai_numunm(nb)); break;
case TM_AND: setnvalue(ra, luai_numand(nb, nc)); break;
@ -492,8 +492,7 @@ void luaV_execute (lua_State *L, int nexeccalls) {
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
if (nc == 0) {
lua_pushliteral(L, "divide by zero error");
lua_error(L);
luaG_runerror(L, "divide by zero error");
}
else
setnvalue(ra, luai_numdiv(nb, nc));
@ -508,8 +507,7 @@ void luaV_execute (lua_State *L, int nexeccalls) {
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
if (nc == 0) {
lua_pushliteral(L, "modulo by zero error");
lua_error(L);
luaG_runerror(L, "modulo by zero error");
}
else
setnvalue(ra, luai_nummod(nb, nc));