mirror of
https://gitcode.com/JianFeeeee/LuaCangjia_api.git
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vendor: 引入 Lua 3.2 官方源码 + 移植评估 (lua_3.2 分支)
- 前 lua_State 时代 API(全局单例状态机), 与项目多实例+管道模式抽象冲突 - 评估结论: 不建议移植, 详见 doc/ADAPTATION-lua32.md
This commit is contained in:
JianFeeeee
134
lib/lua/lvm.h
134
lib/lua/lvm.h
@ -1,5 +1,5 @@
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/*
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** $Id: lvm.h $
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** $Id: lvm.h,v 1.8 1999/02/08 17:07:59 roberto Exp $
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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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@ -13,124 +13,22 @@
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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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#define tonumber(o) ((ttype(o) != LUA_T_NUMBER) && (luaV_tonumber(o) != 0))
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#define tostring(o) ((ttype(o) != LUA_T_STRING) && (luaV_tostring(o) != 0))
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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 F2Ieq
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#endif
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/*
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** Rounding modes for float->integer coercion
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*/
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typedef enum {
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F2Ieq, /* no rounding; accepts only integral values */
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F2Ifloor, /* takes the floor of the number */
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F2Iceil /* takes the ceiling of the number */
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} F2Imod;
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/* convert an object to a float (including string coercion) */
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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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/* convert an object to a float (without string coercion) */
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#define tonumberns(o,n) \
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(ttisfloat(o) ? ((n) = fltvalue(o), 1) : \
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(ttisinteger(o) ? ((n) = cast_num(ivalue(o)), 1) : 0))
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/* convert an object to an integer (including string coercion) */
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#define tointeger(o,i) \
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(l_likely(ttisinteger(o)) ? (*(i) = ivalue(o), 1) \
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: luaV_tointeger(o,i,LUA_FLOORN2I))
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/* convert an object to an integer (without string coercion) */
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#define tointegerns(o,i) \
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(l_likely(ttisinteger(o)) ? (*(i) = ivalue(o), 1) \
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: luaV_tointegerns(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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/*
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** fast track for 'gettable'
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*/
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#define luaV_fastget(t,k,res,f, tag) \
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(tag = (!ttistable(t) ? LUA_VNOTABLE : f(hvalue(t), k, res)))
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/*
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** Special case of 'luaV_fastget' for integers, inlining the fast case
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** of 'luaH_getint'.
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*/
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#define luaV_fastgeti(t,k,res,tag) \
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if (!ttistable(t)) tag = LUA_VNOTABLE; \
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else { luaH_fastgeti(hvalue(t), k, res, tag); }
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#define luaV_fastset(t,k,val,hres,f) \
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(hres = (!ttistable(t) ? HNOTATABLE : f(hvalue(t), k, val)))
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#define luaV_fastseti(t,k,val,hres) \
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if (!ttistable(t)) hres = HNOTATABLE; \
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else { luaH_fastseti(hvalue(t), k, val, hres); }
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/*
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** Finish a fast set operation (when fast set succeeds).
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*/
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#define luaV_finishfastset(L,t,v) luaC_barrierback(L, gcvalue(t), v)
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/*
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** Shift right is the same as shift left with a negative 'y'
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*/
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#define luaV_shiftr(x,y) luaV_shiftl(x,intop(-, 0, y))
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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, F2Imod mode);
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LUAI_FUNC int luaV_tointegerns (const TValue *obj, lua_Integer *p,
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F2Imod mode);
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LUAI_FUNC int luaV_flttointeger (lua_Number n, lua_Integer *p, F2Imod mode);
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LUAI_FUNC lu_byte luaV_finishget (lua_State *L, const TValue *t, TValue *key,
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StkId val, lu_byte tag);
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LUAI_FUNC void luaV_finishset (lua_State *L, const TValue *t, TValue *key,
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TValue *val, int aux);
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LUAI_FUNC void luaV_finishOp (lua_State *L);
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LUAI_FUNC void luaV_execute (lua_State *L, CallInfo *ci);
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LUAI_FUNC void luaV_concat (lua_State *L, int total);
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LUAI_FUNC lua_Integer luaV_idiv (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_Number luaV_modf (lua_State *L, lua_Number x, lua_Number 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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void luaV_pack (StkId firstel, int nvararg, TObject *tab);
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int luaV_tonumber (TObject *obj);
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int luaV_tostring (TObject *obj);
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void luaV_setn (Hash *t, int val);
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void luaV_gettable (void);
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void luaV_settable (TObject *t);
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void luaV_rawsettable (TObject *t);
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void luaV_getglobal (TaggedString *ts);
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void luaV_setglobal (TaggedString *ts);
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StkId luaV_execute (Closure *cl, TProtoFunc *tf, StkId base);
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void luaV_closure (int nelems);
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void luaV_comparison (lua_Type ttype_less, lua_Type ttype_equal,
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lua_Type ttype_great, IMS op);
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#endif
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