xref: /netbsd-src/external/mit/lua/dist/src/lvm.h (revision 6a493d6bc668897c91594964a732d38505b70cbb)
1 /*	$NetBSD: lvm.h,v 1.1.1.2 2012/03/15 00:08:09 alnsn Exp $	*/
2 
3 /*
4 ** $Id: lvm.h,v 1.1.1.2 2012/03/15 00:08:09 alnsn Exp $
5 ** Lua virtual machine
6 ** See Copyright Notice in lua.h
7 */
8 
9 #ifndef lvm_h
10 #define lvm_h
11 
12 
13 #include "ldo.h"
14 #include "lobject.h"
15 #include "ltm.h"
16 
17 
18 #define tostring(L,o) ((ttype(o) == LUA_TSTRING) || (luaV_tostring(L, o)))
19 
20 #define tonumber(o,n)	(ttype(o) == LUA_TNUMBER || \
21                          (((o) = luaV_tonumber(o,n)) != NULL))
22 
23 #define equalobj(L,o1,o2) \
24 	(ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))
25 
26 
27 LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
28 LUAI_FUNC int luaV_equalval (lua_State *L, const TValue *t1, const TValue *t2);
29 LUAI_FUNC const TValue *luaV_tonumber (const TValue *obj, TValue *n);
30 LUAI_FUNC int luaV_tostring (lua_State *L, StkId obj);
31 LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
32                                             StkId val);
33 LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
34                                             StkId val);
35 LUAI_FUNC void luaV_execute (lua_State *L, int nexeccalls);
36 LUAI_FUNC void luaV_concat (lua_State *L, int total, int last);
37 
38 #endif
39