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authorOğuz Ersen <oguzersen@protonmail.com>2021-03-06 06:01:12 +0000
committersfan5 <sfan5@live.de>2021-06-16 18:23:09 +0200
commita70dfcaed9eb63e636c8f0a1206fec1324ea2268 (patch)
treee9436f7405ec4a1218791ce0d2a904f985e179d5 /lib/lua/src/lgc.c
parent67b6f9771cd995688230bc12b3a1a25323bdd9d9 (diff)
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Translated using Weblate (Turkish)
Currently translated at 100.0% (1356 of 1356 strings)
Diffstat (limited to 'lib/lua/src/lgc.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-14 20:59:42 +0000
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/*
** $Id: lstate.c,v 2.36.1.2 2008/01/03 15:20:39 roberto Exp $
** Global State
** See Copyright Notice in lua.h
*/


#include <stddef.h>

#define lstate_c
#define LUA_CORE

#include "lua.h"

#include "ldebug.h"
#include "ldo.h"
#include "lfunc.h"
#include "lgc.h"
#include "llex.h"
#include "lmem.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"


#define state_size(x)	(sizeof(x) + LUAI_EXTRASPACE)
#define fromstate(l)	(cast(lu_byte *, (l)) - LUAI_EXTRASPACE)
#define tostate(l)   (cast(lua_State *, cast(lu_byte *, l) + LUAI_EXTRASPACE))


/*
** Main thread combines a thread state and the global state
*/
typedef struct LG {
  lua_State l;
  global_State g;
} LG;
  


static void stack_init (lua_State *L1, lua_State *L) {
  /* initialize CallInfo array */
  L1->base_ci = luaM_newvector(L, BASIC_CI_SIZE, CallInfo);
  L1->ci = L1->base_ci;
  L1->size_ci = BASIC_CI_SIZE;
  L1->end_ci = L1->base_ci + L1->size_ci - 1;
  /* initialize stack array */
  L1->stack = luaM_newvector(L, BASIC_STACK_SIZE + EXTRA_STACK, TValue);
  L1->stacksize = BASIC_STACK_SIZE + EXTRA_STACK;
  L1->top = L1->stack;
  L1->stack_last = L1->stack+(L1->stacksize - EXTRA_STACK)-1;
  /* initialize first ci */
  L1->ci->func = L1->top;
  setnilvalue(L1->top++);  /* `function' entry for this `ci' */
  L1->base = L1->ci->base = L1->top;
  L1->ci->top = L1->top + LUA_MINSTACK;
}


static void freestack (lua_State *L, lua_State *L1) {
  luaM_freearray(L, L1->base_ci, L1->size_ci, CallInfo);
  luaM_freearray(L, L1->stack, L1->stacksize, TValue);
}


/*
** open parts that may cause memory-allocation errors
*/
static void f_luaopen (lua_State *L, void *ud) {
  global_State *g = G(L);
  UNUSED(ud);
  stack_init(L, L);  /* init stack */
  sethvalue(L, gt(L), luaH_new(L, 0, 2));  /* table of globals */
  sethvalue(L, registry(L), luaH_new(L, 0, 2));  /* registry */
  luaS_resize(L, MINSTRTABSIZE);  /* initial size of string table */
  luaT_init(L);
  luaX_init(L);
  luaS_fix(luaS_newliteral(L, MEMERRMSG));
  g->GCthreshold = 4*g->totalbytes;
}


static void preinit_state (lua_State *L, global_State *g) {
  G(L) = g;
  L->stack = NULL;
  L->stacksize = 0;
  L->errorJmp = NULL;
  L->hook = NULL;
  L->hookmask = 0;
  L->basehookcount = 0;
  L->allowhook = 1;
  resethookcount(L);
  L->openupval = NULL;
  L->size_ci = 0;
  L->nCcalls = L->baseCcalls = 0;
  L->status = 0;
  L->base_ci = L->ci = NULL;
  L->savedpc = NULL;
  L->errfunc = 0;
  setnilvalue(gt(L));
}


static void close_state (lua_State *L) {
  global_State *g = G(L);
  luaF_close(L, L->stack);  /* close all upvalues for this thread */
  luaC_freeall(L);  /* collect all objects */
  lua_assert(g->rootgc == obj2gco(L));
  lua_assert(g->strt.nuse == 0);
  luaM_freearray(L, G(L)->strt.hash, G(L)->strt.size, TString *);
  luaZ_freebuffer(L, &g->buff);
  freestack(L, L);
  lua_assert(g->totalbytes == sizeof(LG));
  (*g->frealloc)(g->ud, fromstate(L), state_size(LG), 0);
}


lua_State *luaE_newthread (lua_State *L) {
  lua_State *L1 = tostate(luaM_malloc(L, state_size(lua_State)));
  luaC_link(L, obj2gco(L1), LUA_TTHREAD);
  preinit_state(L1, G(L));
  stack_init(L1, L);  /* init stack */
  setobj2n(L, gt(L1), gt(L));  /* share table of globals */
  L1->hookmask = L->hookmask;
  L1->basehookcount = L->basehookcount;
  L1->hook = L->hook;
  resethookcount(L1);
  lua_assert(iswhite(obj2gco(L1)));
  return L1;
}


void luaE_freethread (lua_State *L, lua_State *L1) {
  luaF_close(L1, L1->stack);  /* close all upvalues for this thread */
  lua_assert(L1->openupval == NULL);