lua

commit 6a84c329005ab7fc3f17283feda3f41010728288
parent 6a10f03ff81606e567c6891a90d70066a03c686e
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Tue,  8 Oct 2019 10:29:11 -0300

No coercion string->number in arithmetic with LUA_NOCVTS2N

Diffstat:
M
lstrlib.c
 | 
13
+++++++++++++

1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/lstrlib.c b/lstrlib.c
@@ -233,6 +233,17 @@ static int str_dump (lua_State *L) {
 ** =======================================================
 */
 
+#if defined(LUA_NOCVTS2N)	/* { */
+
+/* no coercion from strings to numbers */
+
+static const luaL_Reg stringmetamethods[] = {
+  {"__index", NULL},  /* placeholder */
+  {NULL, NULL}
+};
+
+#else		/* }{ */
+
 static int tonum (lua_State *L, int arg) {
   if (lua_type(L, arg) == LUA_TNUMBER) {  /* already a number? */
     lua_pushvalue(L, arg);
@@ -311,6 +322,8 @@ static const luaL_Reg stringmetamethods[] = {
   {NULL, NULL}
 };
 
+#endif		/* } */
+
 /* }====================================================== */
 
 /*