1 /* $NetBSD: lvm.h,v 1.5 2015/10/08 13:40:16 mbalmer Exp $ */ 2 3 /* 4 ** Id: lvm.h,v 2.35 2015/02/20 14:27:53 roberto 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 #if !defined(LUA_NOCVTN2S) 19 #define cvt2str(o) ttisnumber(o) 20 #else 21 #define cvt2str(o) 0 /* no conversion from numbers to strings */ 22 #endif 23 24 25 #if !defined(LUA_NOCVTS2N) 26 #define cvt2num(o) ttisstring(o) 27 #else 28 #define cvt2num(o) 0 /* no conversion from strings to numbers */ 29 #endif 30 31 32 /* 33 ** You can define LUA_FLOORN2I if you want to convert floats to integers 34 ** by flooring them (instead of raising an error if they are not 35 ** integral values) 36 */ 37 #if !defined(LUA_FLOORN2I) 38 #define LUA_FLOORN2I 0 39 #endif 40 41 42 #ifndef _KERNEL 43 #define tonumber(o,n) \ 44 (ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n)) 45 #else /* _KERNEL */ 46 #define tonumber tointeger 47 #endif 48 49 #define tointeger(o,i) \ 50 (ttisinteger(o) ? (*(i) = ivalue(o), 1) : luaV_tointeger(o,i,LUA_FLOORN2I)) 51 52 #define intop(op,v1,v2) l_castU2S(l_castS2U(v1) op l_castS2U(v2)) 53 54 #define luaV_rawequalobj(t1,t2) luaV_equalobj(NULL,t1,t2) 55 56 57 LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2); 58 LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r); 59 LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r); 60 LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n); 61 LUAI_FUNC int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode); 62 LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key, 63 StkId val); 64 LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key, 65 StkId val); 66 LUAI_FUNC void luaV_finishOp (lua_State *L); 67 LUAI_FUNC void luaV_execute (lua_State *L); 68 LUAI_FUNC void luaV_concat (lua_State *L, int total); 69 LUAI_FUNC lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y); 70 LUAI_FUNC lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y); 71 LUAI_FUNC lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y); 72 LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb); 73 74 #endif 75