Lua 3.13.1

1 files changed, 86 insertions, 0 deletions

diff --git a/src/lstate.c b/src/lstate.c
new file mode 100644
index 00000000..43015b97
--- /dev/null
+++ b/src/lstate.c
@@ -0,0 +1,86 @@
+/*
+** $Id: lstate.c,v 1.6 1998/06/02 20:37:04 roberto Exp $
+** Global State
+** See Copyright Notice in lua.h
+*/
+
+
+#include "lbuiltin.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"
+
+
+lua_State *lua_state = NULL;
+
+
+void lua_open (void)
+{
+  if (lua_state) return;
+  lua_state = luaM_new(lua_State);
+  L->numCblocks = 0;
+  L->Cstack.base = 0;
+  L->Cstack.lua2C = 0;
+  L->Cstack.num = 0;
+  L->errorJmp = NULL;
+  L->rootproto.next = NULL;
+  L->rootproto.marked = 0;
+  L->rootcl.next = NULL;
+  L->rootcl.marked = 0;
+  L->rootglobal.next = NULL;
+  L->rootglobal.marked = 0;
+  L->roottable.next = NULL;
+  L->roottable.marked = 0;
+  L->refArray = NULL;
+  L->refSize = 0;
+  L->Mbuffsize = 0;
+  L->Mbuffnext = 0;
+  L->Mbuffbase = NULL;
+  L->Mbuffer = NULL;
+  L->GCthreshold = GARBAGE_BLOCK;
+  L->nblocks = 0;
+  luaD_init();
+  luaS_init();
+  luaX_init();
+  luaT_init();
+  luaB_predefine();
+}
+
+
+void lua_close (void)
+{
+  TaggedString *alludata = luaS_collectudata();
+  L->GCthreshold = MAX_INT;  /* to avoid GC during GC */
+  luaC_hashcallIM((Hash *)L->roottable.next);  /* GC t.methods for tables */
+  luaC_strcallIM(alludata);  /* GC tag methods for userdata */
+  luaD_gcIM(&luaO_nilobject);  /* GC tag method for nil (signal end of GC) */
+  luaH_free((Hash *)L->roottable.next);
+  luaF_freeproto((TProtoFunc *)L->rootproto.next);
+  luaF_freeclosure((Closure *)L->rootcl.next);
+  luaS_free(alludata);
+  luaS_freeall();
+  luaM_free(L->stack.stack);
+  luaM_free(L->IMtable);
+  luaM_free(L->refArray);
+  luaM_free(L->Mbuffer);
+  luaM_free(L);
+  L = NULL;
+#ifdef DEBUG
+  printf("total de blocos: %ld\n", numblocks);
+  printf("total de memoria: %ld\n", totalmem);
+#endif
+}
+
+
+lua_State *lua_setstate (lua_State *st) {
+  lua_State *old = lua_state;
+  lua_state = st;
+  return old;
+}
+