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https://github.com/lua/lua
synced 2024-11-22 12:51:30 +03:00
"light C function" is a better name than "C-function pointer"
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parent
575befc394
commit
53f9499f7f
10
lapi.c
10
lapi.c
@ -1,5 +1,5 @@
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/*
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** $Id: lapi.c,v 2.120 2010/04/05 14:21:38 roberto Exp roberto $
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** $Id: lapi.c,v 2.121 2010/04/13 20:48:12 roberto Exp roberto $
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** Lua API
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** See Copyright Notice in lua.h
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*/
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@ -56,7 +56,7 @@ static TValue *index2addr (lua_State *L, int idx) {
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else { /* upvalues */
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idx = LUA_REGISTRYINDEX - idx;
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api_check(L, idx <= UCHAR_MAX + 1, "upvalue index too large");
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if (ttiscfp(ci->func)) /* C-function pointer? */
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if (ttislcf(ci->func)) /* light C function? */
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return cast(TValue *, luaO_nilobject); /* it has no upvalues */
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else {
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Closure *func = clvalue(ci->func);
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@ -241,7 +241,7 @@ LUA_API const char *lua_typename (lua_State *L, int t) {
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LUA_API int lua_iscfunction (lua_State *L, int idx) {
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StkId o = index2addr(L, idx);
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return (ttiscfp(o) || (ttisclosure(o) && clvalue(o)->c.isC));
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return (ttislcf(o) || (ttisclosure(o) && clvalue(o)->c.isC));
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}
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@ -367,7 +367,7 @@ LUA_API size_t lua_rawlen (lua_State *L, int idx) {
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LUA_API lua_CFunction lua_tocfunction (lua_State *L, int idx) {
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StkId o = index2addr(L, idx);
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if (ttiscfp(o)) return fvalue(o);
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if (ttislcf(o)) return fvalue(o);
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else if (ttisclosure(o) && clvalue(o)->c.isC)
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return clvalue(o)->c.f;
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else return NULL; /* not a C function */
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@ -395,7 +395,7 @@ LUA_API const void *lua_topointer (lua_State *L, int idx) {
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switch (ttype(o)) {
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case LUA_TTABLE: return hvalue(o);
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case LUA_TFUNCTION: return clvalue(o);
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case LUA_TCFP: return cast(void *, cast(size_t, fvalue(o)));
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case LUA_TLCF: return cast(void *, cast(size_t, fvalue(o)));
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case LUA_TTHREAD: return thvalue(o);
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case LUA_TUSERDATA:
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case LUA_TLIGHTUSERDATA:
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4
ldo.c
4
ldo.c
@ -1,5 +1,5 @@
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/*
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** $Id: ldo.c,v 2.84 2010/04/13 20:48:12 roberto Exp roberto $
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** $Id: ldo.c,v 2.85 2010/04/18 12:41:35 roberto Exp roberto $
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** Stack and Call structure of Lua
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** See Copyright Notice in lua.h
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*/
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@ -300,7 +300,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
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func = tryfuncTM(L, func); /* check the `function' tag method */
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funcr = savestack(L, func);
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L->ci->nresults = nresults;
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if (ttiscfp(func)) { /* C function pointer? */
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if (ttislcf(func)) { /* light C function? */
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f = fvalue(func); /* get it */
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goto isCfunc; /* go to call it */
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}
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@ -1,5 +1,5 @@
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/*
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** $Id: lobject.c,v 2.38 2010/04/13 20:48:12 roberto Exp roberto $
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** $Id: lobject.c,v 2.39 2010/04/15 19:44:43 roberto Exp roberto $
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** Some generic functions over Lua objects
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** See Copyright Notice in lua.h
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*/
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@ -83,7 +83,7 @@ int luaO_rawequalObj (const TValue *t1, const TValue *t2) {
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return pvalue(t1) == pvalue(t2);
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case LUA_TSTRING:
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return rawtsvalue(t1) == rawtsvalue(t2);
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case LUA_TCFP:
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case LUA_TLCF:
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return fvalue(t1) == fvalue(t2);
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default:
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lua_assert(iscollectable(t1));
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12
lobject.h
12
lobject.h
@ -1,5 +1,5 @@
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/*
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** $Id: lobject.h,v 2.37 2010/04/12 16:07:06 roberto Exp roberto $
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** $Id: lobject.h,v 2.38 2010/04/14 15:13:48 roberto Exp roberto $
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** Type definitions for Lua objects
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** See Copyright Notice in lua.h
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*/
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@ -25,10 +25,10 @@
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/*
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** Variant tag for C-function pointers (negative to be considered
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** Variant tag for light C functions (negative to be considered
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** non collectable by 'iscollectable')
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*/
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#define LUA_TCFP (~0x0F | LUA_TFUNCTION)
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#define LUA_TLCF (~0x0F | LUA_TFUNCTION)
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/*
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** Union of all collectable objects
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@ -99,7 +99,7 @@ typedef struct lua_TValue {
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#define ttistable(o) (ttype(o) == LUA_TTABLE)
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#define ttisfunction(o) (ttypenv(o) == LUA_TFUNCTION)
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#define ttisclosure(o) (ttype(o) == LUA_TFUNCTION)
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#define ttiscfp(o) (ttype(o) == LUA_TCFP)
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#define ttislcf(o) (ttype(o) == LUA_TLCF)
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#define ttisboolean(o) (ttype(o) == LUA_TBOOLEAN)
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#define ttisuserdata(o) (ttype(o) == LUA_TUSERDATA)
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#define ttisthread(o) (ttype(o) == LUA_TTHREAD)
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@ -115,7 +115,7 @@ typedef struct lua_TValue {
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#define rawuvalue(o) check_exp(ttisuserdata(o), &(o)->value_.gc->u)
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#define uvalue(o) (&rawuvalue(o)->uv)
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#define clvalue(o) check_exp(ttisclosure(o), &(o)->value_.gc->cl)
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#define fvalue(o) check_exp(ttiscfp(o), (o)->value_.f)
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#define fvalue(o) check_exp(ttislcf(o), (o)->value_.f)
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#define hvalue(o) check_exp(ttistable(o), &(o)->value_.gc->h)
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#define bvalue(o) check_exp(ttisboolean(o), (o)->value_.b)
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#define thvalue(o) check_exp(ttisthread(o), &(o)->value_.gc->th)
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@ -140,7 +140,7 @@ typedef struct lua_TValue {
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{ TValue *i_o=(obj); i_o->value_.n=(x); i_o->tt_=LUA_TNUMBER; }
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#define setfvalue(obj,x) \
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{ TValue *i_o=(obj); i_o->value_.f=(x); i_o->tt_=LUA_TCFP; }
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{ TValue *i_o=(obj); i_o->value_.f=(x); i_o->tt_=LUA_TLCF; }
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#define changenvalue(obj,x) \
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( lua_assert((obj)->tt_==LUA_TNUMBER), (obj)->value_.n=(x) )
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4
ltable.c
4
ltable.c
@ -1,5 +1,5 @@
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/*
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** $Id: ltable.c,v 2.48 2010/04/05 16:26:37 roberto Exp roberto $
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** $Id: ltable.c,v 2.49 2010/04/13 20:48:12 roberto Exp roberto $
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** Lua tables (hash)
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** See Copyright Notice in lua.h
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*/
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@ -109,7 +109,7 @@ static Node *mainposition (const Table *t, const TValue *key) {
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return hashboolean(t, bvalue(key));
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case LUA_TLIGHTUSERDATA:
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return hashpointer(t, pvalue(key));
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case LUA_TCFP:
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case LUA_TLCF:
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return hashpointer(t, fvalue(key));
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default:
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return hashpointer(t, gcvalue(key));
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4
lvm.c
4
lvm.c
@ -1,5 +1,5 @@
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/*
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** $Id: lvm.c,v 2.112 2010/04/15 19:43:43 roberto Exp roberto $
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** $Id: lvm.c,v 2.113 2010/04/18 13:15:11 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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@ -246,7 +246,7 @@ int luaV_equalval_ (lua_State *L, const TValue *t1, const TValue *t2) {
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case LUA_TNUMBER: return luai_numeq(nvalue(t1), nvalue(t2));
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case LUA_TBOOLEAN: return bvalue(t1) == bvalue(t2); /* true must be 1 !! */
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case LUA_TLIGHTUSERDATA: return pvalue(t1) == pvalue(t2);
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case LUA_TCFP: return fvalue(t1) == fvalue(t2);
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case LUA_TLCF: return fvalue(t1) == fvalue(t2);
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case LUA_TSTRING: return eqstr(rawtsvalue(t1), rawtsvalue(t2));
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case LUA_TUSERDATA: {
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if (uvalue(t1) == uvalue(t2)) return 1;
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