new macro 'cvt2str' to better control whether numbers are convertible

to strings

1 files changed, 8 insertions, 2 deletions

diff --git a/lvm.h b/lvm.h
index 6dff8b1e..0a4984cb 100644
--- a/lvm.h
+++ b/lvm.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.h,v 2.30 2014/05/12 21:22:05 roberto Exp roberto $
+** $Id: lvm.h,v 2.31 2014/05/26 17:10:22 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -24,12 +24,18 @@
 #define luaV_rawequalobj(t1,t2)         luaV_equalobj(NULL,t1,t2)
 
 
+#if !defined(LUA_NOCVTN2S)
+#define cvt2str(o)      ttisnumber(o)
+#else
+#define cvt2str(o)      0       /* no convertion from numbers to strings */
+#endif
+
+
 LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2);
 LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
 LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
 LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
 LUAI_FUNC int luaV_tointeger_ (const TValue *obj, lua_Integer *p);
-LUAI_FUNC int luaV_tostring (lua_State *L, StkId obj);
 LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
                                             StkId val);
 LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,