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/*
** Miscellaneous object handling.
** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
*/
#define lj_obj_c
#define LUA_CORE
#include "lj_obj.h"
/* Object type names. */
LJ_DATADEF const char *const lj_obj_typename[] = { /* ORDER LUA_T */
"no value", "nil", "boolean", "userdata", "number", "string",
"table", "function", "userdata", "thread", "proto", "cdata"
};
LJ_DATADEF const char *const lj_obj_itypename[] = { /* ORDER LJ_T */
"nil", "boolean", "boolean", "userdata", "string", "upval", "thread",
"proto", "function", "trace", "cdata", "table", "userdata", "number"
};
/* Compare two objects without calling metamethods. */
int LJ_FASTCALL lj_obj_equal(cTValue *o1, cTValue *o2)
{
if (itype(o1) == itype(o2)) {
if (tvispri(o1))
return 1;
if (!tvisnum(o1))
return gcrefeq(o1->gcr, o2->gcr);
} else if (!tvisnumber(o1) || !tvisnumber(o2)) {
return 0;
}
return numberVnum(o1) == numberVnum(o2);
}
/* Return pointer to object or its object data. */
const void * LJ_FASTCALL lj_obj_ptr(cTValue *o)
{
if (tvisudata(o))
return uddata(udataV(o));
else if (tvislightud(o))
return lightudV(o);
else if (LJ_HASFFI && tviscdata(o))
return cdataptr(cdataV(o));
else if (tvisgcv(o))
return gcV(o);
else
return NULL;
}
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