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

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to strings
This commit is contained in:
Roberto Ierusalimschy
2014-07-30 11:00:14 -03:00
parent 1aa5262634
commit 34ac039fb8
6 changed files with 54 additions and 52 deletions
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10
lvm.h
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@@ -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,