new header to put together debug-related declarations

ltests.h

@@ -0,0 +1,47 @@
+/*
+** $Id: $
+** Internal Header for Debugging of the Lua Implementation
+** See Copyright Notice in lua.h
+*/
+
+#ifndef ltests_h
+#define ltests_h
+
+
+#include "llimits.h"
+
+
+#define LUA_DEBUG
+
+#undef NDEBUG
+#include <assert.h>
+#define lua_assert(c)           assert(c)
+
+
+/* to avoid warnings, and to make sure value is really unused */
+#define UNUSED(x)       (x=0, (void)(x))
+
+
+/* memory allocator control variables */
+extern mem_int memdebug_numblocks;
+extern mem_int memdebug_total;
+extern mem_int memdebug_maxmem;
+extern mem_int memdebug_memlimit;
+
+
+/* test for lock/unlock */
+#define LUA_USERSTATE	int *lock;
+extern int islocked;
+#define LUA_LOCK(L)     lua_assert((**((int **)L))++ == 0)
+#define LUA_UNLOCK(L)   lua_assert(--(**((int **)L)) == 0)
+
+
+extern lua_State *lua_state;
+
+
+void luaB_opentests (lua_State *L);
+
+#define LUA_USERINIT(L) luaB_opentests(L)
+
+
+#endif