"!Deprecated" folders moved from root directory to plugins

git-svn-id: http://svn.miranda-ng.org/main/trunk@1230 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 852 insertions, 0 deletions

diff --git a/plugins/!NotAdopted/SmartAutoReplier/lualib/ltests.c b/plugins/!NotAdopted/SmartAutoReplier/lualib/ltests.c
new file mode 100644
index 0000000000..649b14e0d4
--- /dev/null
+++ b/plugins/!NotAdopted/SmartAutoReplier/lualib/ltests.c
@@ -0,0 +1,852 @@
+/*
+** $Id: ltests.c,v 1.158 2003/04/07 14:35:00 roberto Exp $
+** Internal Module for Debugging of the Lua Implementation
+** See Copyright Notice in lua.h
+*/
+
+
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ltests_c
+
+#include "lua.h"
+
+#include "lapi.h"
+#include "lauxlib.h"
+#include "lcode.h"
+#include "ldebug.h"
+#include "ldo.h"
+#include "lfunc.h"
+#include "lmem.h"
+#include "lopcodes.h"
+#include "lstate.h"
+#include "lstring.h"
+#include "ltable.h"
+#include "lualib.h"
+
+
+
+/*
+** The whole module only makes sense with LUA_DEBUG on
+*/
+#ifdef LUA_DEBUG
+
+
+#define lua_pushintegral(L,i)	lua_pushnumber(L, cast(lua_Number, (i)))
+
+
+static lua_State *lua_state = NULL;
+
+int islocked = 0;
+
+
+#define func_at(L,k)	(L->ci->base+(k) - 1)
+
+
+static void setnameval (lua_State *L, const char *name, int val) {
+  lua_pushstring(L, name);
+  lua_pushintegral(L, val);
+  lua_settable(L, -3);
+}
+
+
+/*
+** {======================================================================
+** Controlled version for realloc.
+** =======================================================================
+*/
+
+#define MARK		0x55  /* 01010101 (a nice pattern) */
+
+#ifndef EXTERNMEMCHECK
+/* full memory check */
+#define HEADER	(sizeof(L_Umaxalign)) /* ensures maximum alignment for HEADER */
+#define MARKSIZE	16  /* size of marks after each block */
+#define blockhead(b)	(cast(char *, b) - HEADER)
+#define setsize(newblock, size)	(*cast(size_t *, newblock) = size)
+#define checkblocksize(b, size) (size == (*cast(size_t *, blockhead(b))))
+#define fillmem(mem,size)	memset(mem, -MARK, size)
+#else
+/* external memory check: don't do it twice */
+#define HEADER		0
+#define MARKSIZE	0
+#define blockhead(b)	(b)
+#define setsize(newblock, size)	/* empty */
+#define checkblocksize(b,size)	(1)
+#define fillmem(mem,size)	/* empty */
+#endif
+
+unsigned long memdebug_numblocks = 0;
+unsigned long memdebug_total = 0;
+unsigned long memdebug_maxmem = 0;
+unsigned long memdebug_memlimit = ULONG_MAX;
+
+
+static void *checkblock (void *block, size_t size) {
+  void *b = blockhead(block);
+  int i;
+  for (i=0;i<MARKSIZE;i++)
+    lua_assert(*(cast(char *, b)+HEADER+size+i) == MARK+i); /* corrupted block? */
+  return b;
+}
+
+
+static void freeblock (void *block, size_t size) {
+  if (block) {
+    lua_assert(checkblocksize(block, size));
+    block = checkblock(block, size);
+    fillmem(block, size+HEADER+MARKSIZE);  /* erase block */
+    free(block);  /* free original block */
+    memdebug_numblocks--;
+    memdebug_total -= size;
+  }
+}
+
+
+void *debug_realloc (void *block, size_t oldsize, size_t size) {
+  lua_assert(oldsize == 0 || checkblocksize(block, oldsize));
+  /* ISO does not specify what realloc(NULL, 0) does */
+  lua_assert(block != NULL || size > 0);
+  if (size == 0) {
+    freeblock(block, oldsize);
+    return NULL;
+  }
+  else if (size > oldsize && memdebug_total+size-oldsize > memdebug_memlimit)
+    return NULL;  /* to test memory allocation errors */
+  else {
+    void *newblock;
+    int i;
+    size_t realsize = HEADER+size+MARKSIZE;
+    size_t commonsize = (oldsize < size) ? oldsize : size;
+    if (realsize < size) return NULL;  /* overflow! */
+    newblock = malloc(realsize);  /* alloc a new block */
+    if (newblock == NULL) return NULL;
+    if (block) {
+      memcpy(cast(char *, newblock)+HEADER, block, commonsize);
+      freeblock(block, oldsize);  /* erase (and check) old copy */
+    }
+    /* initialize new part of the block with something `weird' */
+    fillmem(cast(char *, newblock)+HEADER+commonsize, size-commonsize);
+    memdebug_total += size;
+    if (memdebug_total > memdebug_maxmem)
+      memdebug_maxmem = memdebug_total;
+    memdebug_numblocks++;
+    setsize(newblock, size);
+    for (i=0;i<MARKSIZE;i++)
+      *(cast(char *, newblock)+HEADER+size+i) = cast(char, MARK+i);
+    return cast(char *, newblock)+HEADER;
+  }
+}
+
+
+/* }====================================================================== */
+
+
+
+/*
+** {======================================================
+** Disassembler
+** =======================================================
+*/
+
+
+static char *buildop (Proto *p, int pc, char *buff) {
+  Instruction i = p->code[pc];
+  OpCode o = GET_OPCODE(i);
+  const char *name = luaP_opnames[o];
+  int line = getline(p, pc);
+  sprintf(buff, "(%4d) %4d - ", line, pc);
+  switch (getOpMode(o)) {  
+    case iABC:
+      sprintf(buff+strlen(buff), "%-12s%4d %4d %4d", name,
+              GETARG_A(i), GETARG_B(i), GETARG_C(i));
+      break;
+    case iABx:
+      sprintf(buff+strlen(buff), "%-12s%4d %4d", name, GETARG_A(i), GETARG_Bx(i));
+      break;
+    case iAsBx:
+      sprintf(buff+strlen(buff), "%-12s%4d %4d", name, GETARG_A(i), GETARG_sBx(i));
+      break;
+  }
+  return buff;
+}
+
+
+#if 0
+void luaI_printcode (Proto *pt, int size) {
+  int pc;
+  for (pc=0; pc<size; pc++) {
+    char buff[100];
+    printf("%s\n", buildop(pt, pc, buff));
+  }
+  printf("-------\n");
+}
+#endif
+
+
+static int listcode (lua_State *L) {
+  int pc;
+  Proto *p;
+  luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
+                 1, "Lua function expected");
+  p = clvalue(func_at(L, 1))->l.p;
+  lua_newtable(L);
+  setnameval(L, "maxstack", p->maxstacksize);
+  setnameval(L, "numparams", p->numparams);
+  for (pc=0; pc<p->sizecode; pc++) {
+    char buff[100];
+    lua_pushintegral(L, pc+1);
+    lua_pushstring(L, buildop(p, pc, buff));
+    lua_settable(L, -3);
+  }
+  return 1;
+}
+
+
+static int listk (lua_State *L) {
+  Proto *p;
+  int i;
+  luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
+                 1, "Lua function expected");
+  p = clvalue(func_at(L, 1))->l.p;
+  lua_newtable(L);
+  for (i=0; i<p->sizek; i++) {
+    lua_pushintegral(L, i+1);
+    luaA_pushobject(L, p->k+i);
+    lua_settable(L, -3);
+  }
+  return 1;
+}
+
+
+static int listlocals (lua_State *L) {
+  Proto *p;
+  int pc = luaL_checkint(L, 2) - 1;
+  int i = 0;
+  const char *name;
+  luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
+                 1, "Lua function expected");
+  p = clvalue(func_at(L, 1))->l.p;
+  while ((name = luaF_getlocalname(p, ++i, pc)) != NULL)
+    lua_pushstring(L, name);
+  return i-1;
+}
+
+/* }====================================================== */
+
+
+
+
+static int get_limits (lua_State *L) {
+  lua_newtable(L);
+  setnameval(L, "BITS_INT", BITS_INT);
+  setnameval(L, "LFPF", LFIELDS_PER_FLUSH);
+  setnameval(L, "MAXVARS", MAXVARS);
+  setnameval(L, "MAXPARAMS", MAXPARAMS);
+  setnameval(L, "MAXSTACK", MAXSTACK);
+  setnameval(L, "MAXUPVALUES", MAXUPVALUES);
+  return 1;
+}
+
+
+static int mem_query (lua_State *L) {
+  if (lua_isnone(L, 1)) {
+    lua_pushintegral(L, memdebug_total);
+    lua_pushintegral(L, memdebug_numblocks);
+    lua_pushintegral(L, memdebug_maxmem);
+    return 3;
+  }
+  else {
+    memdebug_memlimit = luaL_checkint(L, 1);
+    return 0;
+  }
+}
+
+
+static int hash_query (lua_State *L) {
+  if (lua_isnone(L, 2)) {
+    luaL_argcheck(L, lua_type(L, 1) == LUA_TSTRING, 1, "string expected");
+    lua_pushintegral(L, tsvalue(func_at(L, 1))->tsv.hash);
+  }
+  else {
+    TObject *o = func_at(L, 1);
+    Table *t;
+    luaL_checktype(L, 2, LUA_TTABLE);
+    t = hvalue(func_at(L, 2));
+    lua_pushintegral(L, luaH_mainposition(t, o) - t->node);
+  }
+  return 1;
+}
+
+
+static int stacklevel (lua_State *L) {
+  unsigned long a = 0;
+  lua_pushintegral(L, (int)(L->top - L->stack));
+  lua_pushintegral(L, (int)(L->stack_last - L->stack));
+  lua_pushintegral(L, (int)(L->ci - L->base_ci));
+  lua_pushintegral(L, (int)(L->end_ci - L->base_ci));
+  lua_pushintegral(L, (unsigned long)&a);
+  return 5;
+}
+
+
+static int table_query (lua_State *L) {
+  const Table *t;
+  int i = luaL_optint(L, 2, -1);
+  luaL_checktype(L, 1, LUA_TTABLE);
+  t = hvalue(func_at(L, 1));
+  if (i == -1) {
+    lua_pushintegral(L, t->sizearray);
+    lua_pushintegral(L, sizenode(t));
+    lua_pushintegral(L, t->firstfree - t->node);
+  }
+  else if (i < t->sizearray) {
+    lua_pushintegral(L, i);
+    luaA_pushobject(L, &t->array[i]);
+    lua_pushnil(L); 
+  }
+  else if ((i -= t->sizearray) < sizenode(t)) {
+    if (!ttisnil(gval(gnode(t, i))) ||
+        ttisnil(gkey(gnode(t, i))) ||
+        ttisnumber(gkey(gnode(t, i)))) {
+      luaA_pushobject(L, gkey(gnode(t, i)));
+    }
+    else
+      lua_pushstring(L, "<undef>");
+    luaA_pushobject(L, gval(gnode(t, i)));
+    if (t->node[i].next)
+      lua_pushintegral(L, t->node[i].next - t->node);
+    else
+      lua_pushnil(L);
+  }
+  return 3;
+}
+
+
+static int string_query (lua_State *L) {
+  stringtable *tb = &G(L)->strt;
+  int s = luaL_optint(L, 2, 0) - 1;
+  if (s==-1) {
+    lua_pushintegral(L ,tb->nuse);
+    lua_pushintegral(L ,tb->size);
+    return 2;
+  }
+  else if (s < tb->size) {
+    GCObject *ts;
+    int n = 0;
+    for (ts = tb->hash[s]; ts; ts = ts->gch.next) {
+      setsvalue2s(L->top, gcotots(ts));
+      incr_top(L);
+      n++;
+    }
+    return n;
+  }
+  return 0;
+}
+
+
+static int tref (lua_State *L) {
+  int level = lua_gettop(L);
+  int lock = luaL_optint(L, 2, 1);
+  luaL_checkany(L, 1);
+  lua_pushvalue(L, 1);
+  lua_pushintegral(L, lua_ref(L, lock));
+  assert(lua_gettop(L) == level+1);  /* +1 for result */
+  return 1;
+}
+
+static int getref (lua_State *L) {
+  int level = lua_gettop(L);
+  lua_getref(L, luaL_checkint(L, 1));
+  assert(lua_gettop(L) == level+1);
+  return 1;
+}
+
+static int unref (lua_State *L) {
+  int level = lua_gettop(L);
+  lua_unref(L, luaL_checkint(L, 1));
+  assert(lua_gettop(L) == level);
+  return 0;
+}
+
+static int metatable (lua_State *L) {
+  luaL_checkany(L, 1);
+  if (lua_isnone(L, 2)) {
+    if (lua_getmetatable(L, 1) == 0)
+      lua_pushnil(L);
+  }
+  else {
+    lua_settop(L, 2);
+    luaL_checktype(L, 2, LUA_TTABLE);
+    lua_setmetatable(L, 1);
+  }
+  return 1;
+}
+
+
+static int upvalue (lua_State *L) {
+  int n = luaL_checkint(L, 2);
+  luaL_checktype(L, 1, LUA_TFUNCTION);
+  if (lua_isnone(L, 3)) {
+    const char *name = lua_getupvalue(L, 1, n);
+    if (name == NULL) return 0;
+    lua_pushstring(L, name);
+    return 2;
+  }
+  else {
+    const char *name = lua_setupvalue(L, 1, n);
+    lua_pushstring(L, name);
+    return 1;
+  }
+}
+
+
+static int newuserdata (lua_State *L) {
+  size_t size = luaL_checkint(L, 1);
+  char *p = cast(char *, lua_newuserdata(L, size));
+  while (size--) *p++ = '\0';
+  return 1;
+}
+
+
+static int pushuserdata (lua_State *L) {
+  lua_pushlightuserdata(L, cast(void *, luaL_checkint(L, 1)));
+  return 1;
+}
+
+
+static int udataval (lua_State *L) {
+  lua_pushintegral(L, cast(int, lua_touserdata(L, 1)));
+  return 1;
+}
+
+
+static int doonnewstack (lua_State *L) {
+  lua_State *L1 = lua_newthread(L);
+  size_t l;
+  const char *s = luaL_checklstring(L, 1, &l);
+  int status = luaL_loadbuffer(L1, s, l, s);
+  if (status == 0)
+    status = lua_pcall(L1, 0, 0, 0);
+  lua_pushintegral(L, status);
+  return 1;
+}
+
+
+static int s2d (lua_State *L) {
+  lua_pushnumber(L, *cast(const double *, luaL_checkstring(L, 1)));
+  return 1;
+}
+
+static int d2s (lua_State *L) {
+  double d = luaL_checknumber(L, 1);
+  lua_pushlstring(L, cast(char *, &d), sizeof(d));
+  return 1;
+}
+
+
+static int newstate (lua_State *L) {
+  lua_State *L1 = lua_open();
+  if (L1) {
+    lua_userstateopen(L1);  /* init lock */
+    lua_pushintegral(L, (unsigned long)L1);
+  }
+  else
+    lua_pushnil(L);
+  return 1;
+}
+
+
+static int loadlib (lua_State *L) {
+  static const luaL_reg libs[] = {
+    {"mathlibopen", luaopen_math},
+    {"strlibopen", luaopen_string},
+    {"iolibopen", luaopen_io},
+    {"tablibopen", luaopen_table},
+    {"dblibopen", luaopen_debug},
+    {"baselibopen", luaopen_base},
+    {NULL, NULL}
+  };
+  lua_State *L1 = cast(lua_State *,
+                       cast(unsigned long, luaL_checknumber(L, 1)));
+  lua_pushvalue(L1, LUA_GLOBALSINDEX);
+  luaL_openlib(L1, NULL, libs, 0);
+  return 0;
+}
+
+static int closestate (lua_State *L) {
+  lua_State *L1 = cast(lua_State *, cast(unsigned long, luaL_checknumber(L, 1)));
+  lua_close(L1);
+  lua_unlock(L);  /* close cannot unlock that */
+  return 0;
+}
+
+static int doremote (lua_State *L) {
+  lua_State *L1 = cast(lua_State *,cast(unsigned long,luaL_checknumber(L, 1)));
+  size_t lcode;
+  const char *code = luaL_checklstring(L, 2, &lcode);
+  int status;
+  lua_settop(L1, 0);
+  status = luaL_loadbuffer(L1, code, lcode, code);
+  if (status == 0)
+    status = lua_pcall(L1, 0, LUA_MULTRET, 0);
+  if (status != 0) {
+    lua_pushnil(L);
+    lua_pushintegral(L, status);
+    lua_pushstring(L, lua_tostring(L1, -1));
+    return 3;
+  }
+  else {
+    int i = 0;
+    while (!lua_isnone(L1, ++i))
+      lua_pushstring(L, lua_tostring(L1, i));
+    lua_pop(L1, i-1);
+    return i-1;
+  }
+}
+
+
+static int log2_aux (lua_State *L) {
+  lua_pushintegral(L, luaO_log2(luaL_checkint(L, 1)));
+  return 1;
+}
+
+static int int2fb_aux (lua_State *L) {
+  int b = luaO_int2fb(luaL_checkint(L, 1));
+  lua_pushintegral(L, b);
+  lua_pushintegral(L, fb2int(b));
+  return 2;
+}
+
+
+static int test_do (lua_State *L) {
+  const char *p = luaL_checkstring(L, 1);
+  if (*p == '@')
+    lua_dofile(L, p+1);
+  else
+    lua_dostring(L, p);
+  return lua_gettop(L);
+}
+
+
+
+/*
+** {======================================================
+** function to test the API with C. It interprets a kind of assembler
+** language with calls to the API, so the test can be driven by Lua code
+** =======================================================
+*/
+
+static const char *const delimits = " \t\n,;";
+
+static void skip (const char **pc) {
+  while (**pc != '\0' && strchr(delimits, **pc)) (*pc)++;
+}
+
+static int getnum_aux (lua_State *L, const char **pc) {
+  int res = 0;
+  int sig = 1;
+  skip(pc);
+  if (**pc == '.') {
+    res = cast(int, lua_tonumber(L, -1));
+    lua_pop(L, 1);
+    (*pc)++;
+    return res;
+  }
+  else if (**pc == '-') {
+    sig = -1;
+    (*pc)++;
+  }
+  while (isdigit(cast(int, **pc))) res = res*10 + (*(*pc)++) - '0';
+  return sig*res;
+}
+  
+static const char *getname_aux (char *buff, const char **pc) {
+  int i = 0;
+  skip(pc);
+  while (**pc != '\0' && !strchr(delimits, **pc))
+    buff[i++] = *(*pc)++;
+  buff[i] = '\0';
+  return buff;
+}
+
+
+#define EQ(s1)	(strcmp(s1, inst) == 0)
+
+#define getnum	(getnum_aux(L, &pc))
+#define getname	(getname_aux(buff, &pc))
+
+
+static int testC (lua_State *L) {
+  char buff[30];
+  const char *pc = luaL_checkstring(L, 1);
+  for (;;) {
+    const char *inst = getname;
+    if EQ("") return 0;
+    else if EQ("isnumber") {
+      lua_pushintegral(L, lua_isnumber(L, getnum));
+    }
+    else if EQ("isstring") {
+      lua_pushintegral(L, lua_isstring(L, getnum));
+    }
+    else if EQ("istable") {
+      lua_pushintegral(L, lua_istable(L, getnum));
+    }
+    else if EQ("iscfunction") {
+      lua_pushintegral(L, lua_iscfunction(L, getnum));
+    }
+    else if EQ("isfunction") {
+      lua_pushintegral(L, lua_isfunction(L, getnum));
+    }
+    else if EQ("isuserdata") {
+      lua_pushintegral(L, lua_isuserdata(L, getnum));
+    }
+    else if EQ("isudataval") {
+      lua_pushintegral(L, lua_islightuserdata(L, getnum));
+    }
+    else if EQ("isnil") {
+      lua_pushintegral(L, lua_isnil(L, getnum));
+    }
+    else if EQ("isnull") {
+      lua_pushintegral(L, lua_isnone(L, getnum));
+    }
+    else if EQ("tonumber") {
+      lua_pushnumber(L, lua_tonumber(L, getnum));
+    }
+    else if EQ("tostring") {
+      const char *s = lua_tostring(L, getnum);
+      lua_pushstring(L, s);
+    }
+    else if EQ("strlen") {
+      lua_pushintegral(L, lua_strlen(L, getnum));
+    }
+    else if EQ("tocfunction") {
+      lua_pushcfunction(L, lua_tocfunction(L, getnum));
+    }
+    else if EQ("return") {
+      return getnum;
+    }
+    else if EQ("gettop") {
+      lua_pushintegral(L, lua_gettop(L));
+    }
+    else if EQ("settop") {
+      lua_settop(L, getnum);
+    }
+    else if EQ("pop") {
+      lua_pop(L, getnum);
+    }
+    else if EQ("pushnum") {
+      lua_pushintegral(L, getnum);
+    }
+    else if EQ("pushnil") {
+      lua_pushnil(L);
+    }
+    else if EQ("pushbool") {
+      lua_pushboolean(L, getnum);
+    }
+    else if EQ("tobool") {
+      lua_pushintegral(L, lua_toboolean(L, getnum));
+    }
+    else if EQ("pushvalue") {
+      lua_pushvalue(L, getnum);
+    }
+    else if EQ("pushcclosure") {
+      lua_pushcclosure(L, testC, getnum);
+    }
+    else if EQ("pushupvalues") {
+      lua_pushupvalues(L);
+    }
+    else if EQ("remove") {
+      lua_remove(L, getnum);
+    }
+    else if EQ("insert") {
+      lua_insert(L, getnum);
+    }
+    else if EQ("replace") {
+      lua_replace(L, getnum);
+    }
+    else if EQ("gettable") {
+      lua_gettable(L, getnum);
+    }
+    else if EQ("settable") {
+      lua_settable(L, getnum);
+    }
+    else if EQ("next") {
+      lua_next(L, -2);
+    }
+    else if EQ("concat") {
+      lua_concat(L, getnum);
+    }
+    else if EQ("lessthan") {
+      int a = getnum;
+      lua_pushboolean(L, lua_lessthan(L, a, getnum));
+    }
+    else if EQ("equal") {
+      int a = getnum;
+      lua_pushboolean(L, lua_equal(L, a, getnum));
+    }
+    else if EQ("rawcall") {
+      int narg = getnum;
+      int nres = getnum;
+      lua_call(L, narg, nres);
+    }
+    else if EQ("call") {
+      int narg = getnum;
+      int nres = getnum;
+      lua_pcall(L, narg, nres, 0);
+    }
+    else if EQ("loadstring") {
+      size_t sl;
+      const char *s = luaL_checklstring(L, getnum, &sl);
+      luaL_loadbuffer(L, s, sl, s);
+    }
+    else if EQ("loadfile") {
+      luaL_loadfile(L, luaL_checkstring(L, getnum));
+    }
+    else if EQ("setmetatable") {
+      lua_setmetatable(L, getnum);
+    }
+    else if EQ("getmetatable") {
+      if (lua_getmetatable(L, getnum) == 0)
+        lua_pushnil(L);
+    }
+    else if EQ("type") {
+      lua_pushstring(L, lua_typename(L, lua_type(L, getnum)));
+    }
+    else if EQ("getn") {
+      int i = getnum;
+      lua_pushintegral(L, luaL_getn(L, i));
+    }
+    else if EQ("setn") {
+      int i = getnum;
+      int n = cast(int, lua_tonumber(L, -1));
+      luaL_setn(L, i, n);
+      lua_pop(L, 1);
+    }
+    else luaL_error(L, "unknown instruction %s", buff);
+  }
+  return 0;
+}
+
+/* }====================================================== */
+
+
+/*
+** {======================================================
+** tests for yield inside hooks
+** =======================================================
+*/
+
+static void yieldf (lua_State *L, lua_Debug *ar) {
+  lua_yield(L, 0);
+}
+
+static int setyhook (lua_State *L) {
+  if (lua_isnoneornil(L, 1))
+    lua_sethook(L, NULL, 0, 0);  /* turn off hooks */
+  else {
+    const char *smask = luaL_checkstring(L, 1);
+    int count = luaL_optint(L, 2, 0);
+    int mask = 0;
+    if (strchr(smask, 'l')) mask |= LUA_MASKLINE;
+    if (count > 0) mask |= LUA_MASKCOUNT;
+    lua_sethook(L, yieldf, mask, count);
+  }
+  return 0;
+}
+
+
+static int coresume (lua_State *L) {
+  int status;
+  lua_State *co = lua_tothread(L, 1);
+  luaL_argcheck(L, co, 1, "coroutine expected");
+  status = lua_resume(co, 0);
+  if (status != 0) {
+    lua_pushboolean(L, 0);
+    lua_insert(L, -2);
+    return 2;  /* return false + error message */
+  }
+  else {
+    lua_pushboolean(L, 1);
+    return 1;
+  }
+}
+
+/* }====================================================== */
+
+
+
+static const struct luaL_reg tests_funcs[] = {
+  {"hash", hash_query},
+  {"limits", get_limits},
+  {"listcode", listcode},
+  {"listk", listk},
+  {"listlocals", listlocals},
+  {"loadlib", loadlib},
+  {"stacklevel", stacklevel},
+  {"querystr", string_query},
+  {"querytab", table_query},
+  {"doit", test_do},
+  {"testC", testC},
+  {"ref", tref},
+  {"getref", getref},
+  {"unref", unref},
+  {"d2s", d2s},
+  {"s2d", s2d},
+  {"metatable", metatable},
+  {"upvalue", upvalue},
+  {"newuserdata", newuserdata},
+  {"pushuserdata", pushuserdata},
+  {"udataval", udataval},
+  {"doonnewstack", doonnewstack},
+  {"newstate", newstate},
+  {"closestate", closestate},
+  {"doremote", doremote},
+  {"log2", log2_aux},
+  {"int2fb", int2fb_aux},
+  {"totalmem", mem_query},
+  {"resume", coresume},
+  {"setyhook", setyhook},
+  {NULL, NULL}
+};
+
+
+static void fim (void) {
+  if (!islocked)
+    lua_close(lua_state);
+  lua_assert(memdebug_numblocks == 0);
+  lua_assert(memdebug_total == 0);
+}
+
+
+static int l_panic (lua_State *L) {
+  UNUSED(L);
+  fprintf(stderr, "unable to recover; exiting\n");
+  return 0;
+}
+
+
+int luaB_opentests (lua_State *L) {
+  lua_atpanic(L, l_panic);
+  lua_userstateopen(L);  /* init lock */
+  lua_state = L;  /* keep first state to be opened */
+  luaL_openlib(L, "T", tests_funcs, 0);
+  atexit(fim);
+  return 0;
+}
+
+
+#undef main
+int main (int argc, char *argv[]) {
+  char *limit = getenv("MEMLIMIT");
+  if (limit)
+    memdebug_memlimit = strtoul(limit, NULL, 10);
+  l_main(argc, argv);
+  return 0;
+}
+
+#endif