52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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** Miscellaneous object handling.
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** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
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*/
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#define lj_obj_c
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#define LUA_CORE
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#include "lj_obj.h"
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/* Object type names. */
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LJ_DATADEF const char *const lj_obj_typename[] = { /* ORDER LUA_T */
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"no value", "nil", "boolean", "userdata", "number", "string",
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"table", "function", "userdata", "thread", "proto", "cdata"
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};
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LJ_DATADEF const char *const lj_obj_itypename[] = { /* ORDER LJ_T */
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"nil", "boolean", "boolean", "userdata", "string", "upval", "thread",
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"proto", "function", "trace", "cdata", "table", "userdata", "number"
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};
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/* Compare two objects without calling metamethods. */
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int LJ_FASTCALL lj_obj_equal(cTValue *o1, cTValue *o2)
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{
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if (itype(o1) == itype(o2)) {
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if (tvispri(o1))
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return 1;
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if (!tvisnum(o1))
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return gcrefeq(o1->gcr, o2->gcr);
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} else if (!tvisnumber(o1) || !tvisnumber(o2)) {
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return 0;
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}
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return numberVnum(o1) == numberVnum(o2);
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}
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/* Return pointer to object or its object data. */
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const void * LJ_FASTCALL lj_obj_ptr(global_State *g, cTValue *o)
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{
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UNUSED(g);
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if (tvisudata(o))
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return uddata(udataV(o));
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else if (tvislightud(o))
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return lightudV(g, o);
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else if (LJ_HASFFI && tviscdata(o))
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return cdataptr(cdataV(o));
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else if (tvisgcv(o))
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return gcV(o);
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else
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return NULL;
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}
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