mirror of
https://github.com/lua/lua
synced 2024-11-25 22:29:39 +03:00
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
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** $Id: lvm.h,v 2.34 2014/08/01 17:24:02 roberto Exp roberto $
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** Lua virtual machine
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** See Copyright Notice in lua.h
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*/
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#ifndef lvm_h
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#define lvm_h
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#include "ldo.h"
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#include "lobject.h"
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#include "ltm.h"
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#if !defined(LUA_NOCVTN2S)
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#define cvt2str(o) ttisnumber(o)
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#else
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#define cvt2str(o) 0 /* no conversion from numbers to strings */
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#endif
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#if !defined(LUA_NOCVTS2N)
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#define cvt2num(o) ttisstring(o)
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#else
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#define cvt2num(o) 0 /* no conversion from strings to numbers */
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#endif
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/*
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** You can define LUA_FLOORN2I if you want to convert floats to integers
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** by flooring them (instead of raising an error if they are not
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** integral values)
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*/
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#if !defined(LUA_FLOORN2I)
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#define LUA_FLOORN2I 0
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#endif
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#define tonumber(o,n) \
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(ttisfloat(o) ? (*(n) = fltvalue(o), 1) : luaV_tonumber_(o,n))
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#define tointeger(o,i) \
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(ttisinteger(o) ? (*(i) = ivalue(o), 1) : luaV_tointeger(o,i,LUA_FLOORN2I))
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#define intop(op,v1,v2) l_castU2S(l_castS2U(v1) op l_castS2U(v2))
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#define luaV_rawequalobj(t1,t2) luaV_equalobj(NULL,t1,t2)
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LUAI_FUNC int luaV_equalobj (lua_State *L, const TValue *t1, const TValue *t2);
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LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
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LUAI_FUNC int luaV_lessequal (lua_State *L, const TValue *l, const TValue *r);
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LUAI_FUNC int luaV_tonumber_ (const TValue *obj, lua_Number *n);
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LUAI_FUNC int luaV_tointeger (const TValue *obj, lua_Integer *p, int mode);
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LUAI_FUNC void luaV_gettable (lua_State *L, const TValue *t, TValue *key,
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StkId val);
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LUAI_FUNC void luaV_settable (lua_State *L, const TValue *t, TValue *key,
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StkId val);
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LUAI_FUNC void luaV_finishOp (lua_State *L);
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LUAI_FUNC void luaV_execute (lua_State *L);
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LUAI_FUNC void luaV_concat (lua_State *L, int total);
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LUAI_FUNC lua_Integer luaV_div (lua_State *L, lua_Integer x, lua_Integer y);
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LUAI_FUNC lua_Integer luaV_mod (lua_State *L, lua_Integer x, lua_Integer y);
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LUAI_FUNC lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y);
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LUAI_FUNC void luaV_objlen (lua_State *L, StkId ra, const TValue *rb);
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#endif
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