123

2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/CryScriptSystem/LUA/lstate.c
+++ b/CryScriptSystem/LUA/lstate.c
@@ -0,0 +1,146 @@
+/*
+** $Id: lstate.c,v 1.66 2001/07/17 17:54:46 roberto Exp $
+** Global State
+** See Copyright Notice in lua.h
+*/
+
+
+#include <stdio.h>
+
+#define LUA_PRIVATE
+#include "lua.h"
+
+#include "ldo.h"
+#include "lgc.h"
+#include "llex.h"
+#include "lmem.h"
+#include "lstate.h"
+#include "lstring.h"
+#include "ltable.h"
+#include "ltm.h"
+
+
+struct Sopen {
+  int stacksize;
+  lua_State *L;
+};
+
+
+static void close_state (lua_State *L, lua_State *OL);
+
+
+/*
+** open parts that may cause memory-allocation errors
+*/
+static void f_luaopen (lua_State *L, void *ud) {
+  struct Sopen *so = (struct Sopen *)ud;
+  if (so->stacksize == 0)
+    so->stacksize = DEFAULT_STACK_SIZE;
+  else
+    so->stacksize += LUA_MINSTACK;
+  if (so->L != NULL) {  /* shared global state? */
+    L->G = G(so->L);
+    L->gt = so->L->gt;  /* share table of globals */
+    so->L->next->previous = L;  /* insert L into linked list */
+    L->next = so->L->next;
+    so->L->next = L;
+    L->previous = so->L;
+    luaD_init(L, so->stacksize);  /* init stack */
+  }
+  else {  /* create a new global state */
+    L->G = luaM_new(L, global_State);
+    G(L)->strt.size = 0;
+    G(L)->strt.nuse = 0;
+    G(L)->strt.hash = NULL;
+    G(L)->Mbuffer = NULL;
+    G(L)->Mbuffsize = 0;
+    G(L)->rootproto = NULL;
+    G(L)->rootcl = NULL;
+    G(L)->roottable = NULL;
+    G(L)->rootudata = NULL;
+    G(L)->TMtable = NULL;
+    G(L)->sizeTM = 0;
+    G(L)->ntag = 0;
+    G(L)->nblocks = sizeof(lua_State) + sizeof(global_State);
+    luaD_init(L, so->stacksize);  /* init stack */
+    L->gt = luaH_new(L, 10);  /* table of globals */
+    G(L)->type2tag = luaH_new(L, 10);
+    G(L)->registry = luaH_new(L, 0);
+    G(L)->weakregistry = luaH_new(L, 0);
+		G(L)->xregistry = luaH_new(L, 0);
+    /* make weakregistry weak */
+    G(L)->weakregistry->weakmode = LUA_WEAK_KEY | LUA_WEAK_VALUE;
+    luaS_resize(L, MINPOWER2);
+    luaX_init(L);
+    luaT_init(L);
+    G(L)->GCthreshold = 4*G(L)->nblocks;
+  }
+}
+
+
+LUA_API lua_State *lua_newthread (lua_State *OL, int stacksize) {
+  struct Sopen so;
+  lua_State *L;
+  if (OL) lua_lock(OL);
+  L = luaM_new(OL, lua_State);
+  if (L) {  /* allocation OK? */
+    L->G = NULL;
+    L->stack = NULL;
+    L->stacksize = 0;
+    L->ci = &L->basefunc;
+    L->basefunc.prev = NULL;
+    L->errorJmp = NULL;
+    L->callhook = NULL;
+    L->linehook = NULL;
+    L->allowhooks = 1;
+    L->next = L->previous = L;
+		/*ALBERTO*/
+		L->userptr=NULL;
+		/*END ALBERTO*/
+    so.stacksize = stacksize;
+    so.L = OL;
+    if (luaD_runprotected(L, f_luaopen, &so) != 0) {
+      /* memory allocation error: free partial state */
+      close_state(L, OL);
+      L = NULL;
+    }
+  }
+  if (OL) lua_unlock(OL);
+  return L;
+}
+
+
+static void close_state (lua_State *L, lua_State *OL) {
+  if (OL != NULL) {  /* are there other threads? */
+    lua_assert(L->previous != L);
+    L->previous->next = L->next;
+    L->next->previous = L->previous;
+  }
+  else if (G(L)) {  /* last thread; close global state */
+    luaC_callallgcTM(L);  /* call GC tag methods for all udata */
+    luaC_collect(L, 1);  /* collect all elements */
+    lua_assert(G(L)->rootproto == NULL);
+    lua_assert(G(L)->rootudata == NULL);
+    lua_assert(G(L)->rootcl == NULL);
+    lua_assert(G(L)->roottable == NULL);
+    luaS_freeall(L);
+    luaM_freearray(L, G(L)->TMtable, G(L)->sizeTM, struct TM);
+    luaM_freearray(L, G(L)->Mbuffer, G(L)->Mbuffsize, l_char);
+    luaM_freelem(NULL, L->G, global_State);
+  }
+  luaM_freearray(OL, L->stack, L->stacksize, TObject);
+  luaM_freelem(OL, L, lua_State);
+}
+
+LUA_API void lua_close (lua_State *L) {
+  lua_State *OL;
+  lua_assert(L != lua_state || lua_gettop(L) == 0);
+  lua_lock(L);
+  OL = L->next;  /* any surviving thread (if there is one) */
+  if (OL == L) OL = NULL;  /* no surviving threads */
+  close_state(L, OL);
+  if (OL) lua_unlock(OL);  /* cannot unlock over a freed state */
+  lua_assert(L != lua_state || memdebug_numblocks == 0);
+  lua_assert(L != lua_state || memdebug_total == 0);
+}
+