mirror of
https://github.com/lua/lua
synced 2024-11-23 13:19:57 +03:00
84 lines
1.8 KiB
C
84 lines
1.8 KiB
C
/*
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** $Id: lstate.c,v 1.7 1999/01/15 13:11:22 roberto Exp roberto $
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** Global State
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** See Copyright Notice in lua.h
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*/
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#include "lbuiltin.h"
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#include "ldo.h"
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#include "lfunc.h"
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#include "lgc.h"
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#include "llex.h"
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#include "lmem.h"
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#include "lstate.h"
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#include "lstring.h"
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#include "ltable.h"
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#include "ltm.h"
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lua_State *lua_state = NULL;
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void lua_open (void)
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{
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if (lua_state) return;
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lua_state = luaM_new(lua_State);
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L->numCblocks = 0;
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L->Cstack.base = 0;
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L->Cstack.lua2C = 0;
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L->Cstack.num = 0;
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L->errorJmp = NULL;
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L->debug = 0;
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L->callhook = NULL;
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L->linehook = NULL;
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L->rootproto.next = NULL;
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L->rootproto.marked = 0;
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L->rootcl.next = NULL;
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L->rootcl.marked = 0;
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L->rootglobal.next = NULL;
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L->rootglobal.marked = 0;
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L->roottable.next = NULL;
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L->roottable.marked = 0;
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L->refArray = NULL;
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L->refSize = 0;
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L->Mbuffsize = 0;
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L->Mbuffnext = 0;
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L->Mbuffbase = NULL;
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L->Mbuffer = NULL;
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L->GCthreshold = GARBAGE_BLOCK;
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L->nblocks = 0;
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luaD_init();
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luaS_init();
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luaX_init();
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luaT_init();
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luaB_predefine();
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}
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void lua_close (void)
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{
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TaggedString *alludata = luaS_collectudata();
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L->GCthreshold = MAX_INT; /* to avoid GC during GC */
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luaC_hashcallIM((Hash *)L->roottable.next); /* GC t.methods for tables */
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luaC_strcallIM(alludata); /* GC tag methods for userdata */
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luaD_gcIM(&luaO_nilobject); /* GC tag method for nil (signal end of GC) */
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luaH_free((Hash *)L->roottable.next);
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luaF_freeproto((TProtoFunc *)L->rootproto.next);
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luaF_freeclosure((Closure *)L->rootcl.next);
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luaS_free(alludata);
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luaS_freeall();
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luaM_free(L->stack.stack);
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luaM_free(L->IMtable);
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luaM_free(L->refArray);
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luaM_free(L->Mbuffer);
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luaM_free(L);
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L = NULL;
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#ifdef DEBUG
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printf("total de blocos: %ld\n", numblocks);
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printf("total de memoria: %ld\n", totalmem);
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#endif
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}
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