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new interface for 'tonumber'

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This commit is contained in:
Roberto Ierusalimschy
2013-04-26 13:03:50 -03:00
parent d4e6b75098
commit 4abe99dc34
4 changed files with 34 additions and 39 deletions
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7
lvm.h
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@@ -1,5 +1,5 @@
/*
** $Id: lvm.h,v 2.19 2013/04/15 15:44:46 roberto Exp roberto $
** $Id: lvm.h,v 2.20 2013/04/25 19:12:41 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -15,7 +15,8 @@
#define tostring(L,o) (ttisstring(o) || (luaV_tostring(L, o)))
#define tonumber(o,n) (ttisfloat(o) || (((o) = luaV_tonumber(o,n)) != NULL))
#define tonumber(o,n) \
(ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
#define luaV_rawequalobj(t1,t2) luaV_equalobj(NULL,t1,t2)
@@ -24,7 +25,7 @@
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 const TValue *luaV_tonumber (const TValue *obj, TValue *n);
LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
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);