merge host build of lua from tools/ into package/lua/Makefile

SVN-Revision: 14622

9 files changed, 1 insertions, 4468 deletions

diff --git a/tools/Makefile b/tools/Makefile
index c0bbcdb..8ff50cc 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -9,7 +9,7 @@
 curdir:=tools
 
 # subdirectories to descend into
-$(curdir)/builddirs := sed sstrip ipkg-utils genext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline pkg-config automake $(if $(CONFIG_CCACHE),ccache) bison $(if $(CONFIG_powerpc),dtc) lua quilt autoconf $(if $(CONFIG_GCC_VERSION_4_3),gmp mpfr) yaffs2
+$(curdir)/builddirs := sed sstrip ipkg-utils genext2fs squashfs mtd-utils lzma mkimage firmware-utils patch-cmdline pkg-config automake $(if $(CONFIG_CCACHE),ccache) bison $(if $(CONFIG_powerpc),dtc) quilt autoconf $(if $(CONFIG_GCC_VERSION_4_3),gmp mpfr) yaffs2
 
 # builddir dependencies
 $(curdir)/squashfs/compile := $(curdir)/lzma/install
diff --git a/tools/lua/Makefile b/tools/lua/Makefile
deleted file mode 100644
index 13d06b1..0000000
--- a/tools/lua/Makefile
+++ /dev/null
@@ -1,42 +0,0 @@
-# 
-# Copyright (C) 2006 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-# $Id$
-
-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=lua
-PKG_VERSION:=5.1.4
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_SOURCE_URL:=http://www.lua.org/ftp/ \
-	http://ftp.gwdg.de/pub/languages/lua/ \
-	http://mirrors.dotsrc.org/lua/ \
-	http://www.tecgraf.puc-rio.br/lua/ftp/
-PKG_MD5SUM:=d0870f2de55d59c1c8419f36e8fac150
-
-include $(INCLUDE_DIR)/host-build.mk
-
-define Host/Configure
-endef
-
-TARGET_CFLAGS += -DLUA_USE_LINUX
-
-define Host/Compile
-	$(MAKE) -C $(HOST_BUILD_DIR)/src luac-host
-endef
-
-define Host/Install
-	$(INSTALL_BIN) $(HOST_BUILD_DIR)/src/luac-host $(STAGING_DIR_HOST)/bin/luac
-endef
-
-define Host/Clean
-	$(MAKE) -C $(HOST_BUILD_DIR)/src clean
-	rm -f $(HOST_BUILD_DIR)/src/luac-host
-	$(call Host/Clean/Default)
-endef
-
-$(eval $(call HostBuild))
diff --git a/tools/lua/patches/010-lua-5.1.3-lnum-full-260308.patch b/tools/lua/patches/010-lua-5.1.3-lnum-full-260308.patch
deleted file mode 100644
index f8864a1..0000000
--- a/tools/lua/patches/010-lua-5.1.3-lnum-full-260308.patch
+++ /dev/null
@@ -1,3736 +0,0 @@
---- a/src/Makefile
-+++ b/src/Makefile
-@@ -25,7 +25,7 @@ PLATS= aix ansi bsd freebsd generic linu
- LUA_A=	liblua.a
- CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
- 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
--	lundump.o lvm.o lzio.o
-+	lundump.o lvm.o lzio.o lnum.o
- LIB_O=	lauxlib.o lbaselib.o ldblib.o liolib.o lmathlib.o loslib.o ltablib.o \
- 	lstrlib.o loadlib.o linit.o
- 
-@@ -148,6 +148,7 @@ llex.o: llex.c lua.h luaconf.h ldo.h lob
- lmathlib.o: lmathlib.c lua.h luaconf.h lauxlib.h lualib.h
- lmem.o: lmem.c lua.h luaconf.h ldebug.h lstate.h lobject.h llimits.h \
-   ltm.h lzio.h lmem.h ldo.h
-+lnum.o: lnum.c lua.h llex.h lnum.h
- loadlib.o: loadlib.c lua.h luaconf.h lauxlib.h lualib.h
- lobject.o: lobject.c lua.h luaconf.h ldo.h lobject.h llimits.h lstate.h \
-   ltm.h lzio.h lmem.h lstring.h lgc.h lvm.h
-@@ -179,4 +180,18 @@ lzio.o: lzio.c lua.h luaconf.h llimits.h
- print.o: print.c ldebug.h lstate.h lua.h luaconf.h lobject.h llimits.h \
-   ltm.h lzio.h lmem.h lopcodes.h lundump.h
- 
-+luaconf.h: lnum_config.h
-+lapi.c: lnum.h
-+lauxlib.c: llimits.h
-+lbaselib.c: llimits.h lobject.h lapi.h
-+lcode.c: lnum.h
-+liolib.c: lnum.h llex.h
-+llex.c: lnum.h
-+lnum.h: lobject.h
-+lobject.c: llex.h lnum.h
-+ltable.c: lnum.h
-+lua.c: llimits.h
-+lvm.c: llex.h lnum.h
-+print.c: lnum.h
-+
- # (end of Makefile)
---- a/src/lapi.c
-+++ b/src/lapi.c
-@@ -28,7 +28,7 @@
- #include "ltm.h"
- #include "lundump.h"
- #include "lvm.h"
--
-+#include "lnum.h"
- 
- 
- const char lua_ident[] =
-@@ -241,12 +241,13 @@ LUA_API void lua_pushvalue (lua_State *L
- 
- LUA_API int lua_type (lua_State *L, int idx) {
-   StkId o = index2adr(L, idx);
--  return (o == luaO_nilobject) ? LUA_TNONE : ttype(o);
-+  return (o == luaO_nilobject) ? LUA_TNONE : ttype_ext(o);
- }
- 
- 
- LUA_API const char *lua_typename (lua_State *L, int t) {
-   UNUSED(L);
-+  lua_assert( t!= LUA_TINT );
-   return (t == LUA_TNONE) ? "no value" : luaT_typenames[t];
- }
- 
-@@ -264,6 +265,14 @@ LUA_API int lua_isnumber (lua_State *L, 
- }
- 
- 
-+LUA_API int lua_isinteger (lua_State *L, int idx) {
-+  TValue tmp;
-+  lua_Integer dum;
-+  const TValue *o = index2adr(L, idx);
-+  return tonumber(o,&tmp) && (ttisint(o) || tt_integer_valued(o,&dum));
-+}
-+
-+
- LUA_API int lua_isstring (lua_State *L, int idx) {
-   int t = lua_type(L, idx);
-   return (t == LUA_TSTRING || t == LUA_TNUMBER);
-@@ -309,31 +318,66 @@ LUA_API int lua_lessthan (lua_State *L, 
- }
- 
- 
--
- LUA_API lua_Number lua_tonumber (lua_State *L, int idx) {
-   TValue n;
-   const TValue *o = index2adr(L, idx);
--  if (tonumber(o, &n))
-+  if (tonumber(o, &n)) {
-+#ifdef LNUM_COMPLEX
-+    if (nvalue_img(o) != 0)
-+      luaG_runerror(L, "expecting a real number");
-+#endif
-     return nvalue(o);
--  else
--    return 0;
-+  }
-+  return 0;
- }
- 
- 
- LUA_API lua_Integer lua_tointeger (lua_State *L, int idx) {
-   TValue n;
-+    /* Lua 5.1 documented behaviour is to return nonzero for non-integer:
-+     * "If the number is not an integer, it is truncated in some non-specified way." 
-+     * I would suggest to change this, to return 0 for anything that would
-+     * not fit in 'lua_Integer'.
-+     */
-+#ifdef LUA_COMPAT_TOINTEGER
-+  /* Lua 5.1 compatible */
-   const TValue *o = index2adr(L, idx);
-   if (tonumber(o, &n)) {
--    lua_Integer res;
--    lua_Number num = nvalue(o);
--    lua_number2integer(res, num);
--    return res;
-+    lua_Integer i;
-+    lua_Number d;
-+    if (ttisint(o)) return ivalue(o);
-+    d= nvalue_fast(o);
-+# ifdef LNUM_COMPLEX
-+    if (nvalue_img_fast(o) != 0)
-+      luaG_runerror(L, "expecting a real number");
-+# endif
-+    lua_number2integer(i, d);
-+    return i;
-   }
--  else
--    return 0;
-+#else
-+  /* New suggestion */
-+  const TValue *o = index2adr(L, idx);
-+  if (tonumber(o, &n)) {
-+    lua_Integer i;
-+    if (ttisint(o)) return ivalue(o);
-+    if (tt_integer_valued(o,&i)) return i;
-+  }
-+#endif
-+  return 0;
- }
- 
- 
-+#ifdef LNUM_COMPLEX
-+LUA_API lua_Complex lua_tocomplex (lua_State *L, int idx) {
-+  TValue tmp;
-+  const TValue *o = index2adr(L, idx);
-+  if (tonumber(o, &tmp))
-+    return nvalue_complex(o);
-+  return 0;
-+}
-+#endif
-+
-+
- LUA_API int lua_toboolean (lua_State *L, int idx) {
-   const TValue *o = index2adr(L, idx);
-   return !l_isfalse(o);
-@@ -364,6 +408,7 @@ LUA_API size_t lua_objlen (lua_State *L,
-     case LUA_TSTRING: return tsvalue(o)->len;
-     case LUA_TUSERDATA: return uvalue(o)->len;
-     case LUA_TTABLE: return luaH_getn(hvalue(o));
-+    case LUA_TINT:
-     case LUA_TNUMBER: {
-       size_t l;
-       lua_lock(L);  /* `luaV_tostring' may create a new string */
-@@ -426,6 +471,8 @@ LUA_API void lua_pushnil (lua_State *L) 
- }
- 
- 
-+/* 'lua_pushnumber()' may lose accuracy on integers, 'lua_pushinteger' will not.
-+ */
- LUA_API void lua_pushnumber (lua_State *L, lua_Number n) {
-   lua_lock(L);
-   setnvalue(L->top, n);
-@@ -434,12 +481,22 @@ LUA_API void lua_pushnumber (lua_State *
- }
- 
- 
--LUA_API void lua_pushinteger (lua_State *L, lua_Integer n) {
-+LUA_API void lua_pushinteger (lua_State *L, lua_Integer i) {
-+  lua_lock(L);
-+  setivalue(L->top, i);
-+  api_incr_top(L);
-+  lua_unlock(L);
-+}
-+
-+
-+#ifdef LNUM_COMPLEX
-+LUA_API void lua_pushcomplex (lua_State *L, lua_Complex v) {
-   lua_lock(L);
--  setnvalue(L->top, cast_num(n));
-+  setnvalue_complex( L->top, v );
-   api_incr_top(L);
-   lua_unlock(L);
- }
-+#endif
- 
- 
- LUA_API void lua_pushlstring (lua_State *L, const char *s, size_t len) {
-@@ -569,7 +626,7 @@ LUA_API void lua_rawgeti (lua_State *L, 
-   lua_lock(L);
-   o = index2adr(L, idx);
-   api_check(L, ttistable(o));
--  setobj2s(L, L->top, luaH_getnum(hvalue(o), n));
-+  setobj2s(L, L->top, luaH_getint(hvalue(o), n));
-   api_incr_top(L);
-   lua_unlock(L);
- }
-@@ -597,6 +654,9 @@ LUA_API int lua_getmetatable (lua_State 
-     case LUA_TUSERDATA:
-       mt = uvalue(obj)->metatable;
-       break;
-+    case LUA_TINT:
-+      mt = G(L)->mt[LUA_TNUMBER];
-+      break;
-     default:
-       mt = G(L)->mt[ttype(obj)];
-       break;
-@@ -687,7 +747,7 @@ LUA_API void lua_rawseti (lua_State *L, 
-   api_checknelems(L, 1);
-   o = index2adr(L, idx);
-   api_check(L, ttistable(o));
--  setobj2t(L, luaH_setnum(L, hvalue(o), n), L->top-1);
-+  setobj2t(L, luaH_setint(L, hvalue(o), n), L->top-1);
-   luaC_barriert(L, hvalue(o), L->top-1);
-   L->top--;
-   lua_unlock(L);
-@@ -721,7 +781,7 @@ LUA_API int lua_setmetatable (lua_State 
-       break;
-     }
-     default: {
--      G(L)->mt[ttype(obj)] = mt;
-+      G(L)->mt[ttype_ext(obj)] = mt;
-       break;
-     }
-   }
-@@ -1085,3 +1145,32 @@ LUA_API const char *lua_setupvalue (lua_
-   return name;
- }
- 
-+
-+/* Help function for 'luaB_tonumber()', avoids multiple str->number
-+ * conversions for Lua "tonumber()".
-+ *
-+ * Also pushes floating point numbers with integer value as integer, which
-+ * can be used by 'tonumber()' in scripts to bring values back to integer
-+ * realm.
-+ *
-+ * Note: The 'back to integer realm' is _not_ to affect string conversions:
-+ * 'tonumber("4294967295.1")' should give a floating point value, although
-+ * the value would be 4294967296 (and storable in int64 realm).
-+ */
-+int lua_pushvalue_as_number (lua_State *L, int idx)
-+{
-+  const TValue *o = index2adr(L, idx);
-+  TValue tmp;
-+  lua_Integer i;
-+  if (ttisnumber(o)) {
-+    if ( (!ttisint(o)) && tt_integer_valued(o,&i)) {
-+      lua_pushinteger( L, i );
-+      return 1;
-+    }
-+  } else if (!tonumber(o, &tmp)) {
-+    return 0;
-+  }
-+  if (ttisint(o)) lua_pushinteger( L, ivalue(o) );
-+  else lua_pushnumber( L, nvalue_fast(o) );
-+  return 1;
-+}
---- a/src/lapi.h
-+++ b/src/lapi.h
-@@ -13,4 +13,6 @@
- 
- LUAI_FUNC void luaA_pushobject (lua_State *L, const TValue *o);
- 
-+int lua_pushvalue_as_number (lua_State *L, int idx);
-+
- #endif
---- a/src/lauxlib.c
-+++ b/src/lauxlib.c
-@@ -23,7 +23,7 @@
- #include "lua.h"
- 
- #include "lauxlib.h"
--
-+#include "llimits.h"
- 
- #define FREELIST_REF	0	/* free list of references */
- 
-@@ -66,7 +66,7 @@ LUALIB_API int luaL_typerror (lua_State 
- 
- 
- static void tag_error (lua_State *L, int narg, int tag) {
--  luaL_typerror(L, narg, lua_typename(L, tag));
-+  luaL_typerror(L, narg, tag==LUA_TINT ? "integer" : lua_typename(L, tag));
- }
- 
- 
-@@ -188,8 +188,8 @@ LUALIB_API lua_Number luaL_optnumber (lu
- 
- LUALIB_API lua_Integer luaL_checkinteger (lua_State *L, int narg) {
-   lua_Integer d = lua_tointeger(L, narg);
--  if (d == 0 && !lua_isnumber(L, narg))  /* avoid extra test when d is not 0 */
--    tag_error(L, narg, LUA_TNUMBER);
-+  if (d == 0 && !lua_isinteger(L, narg))  /* avoid extra test when d is not 0 */
-+    tag_error(L, narg, LUA_TINT);
-   return d;
- }
- 
-@@ -200,6 +200,16 @@ LUALIB_API lua_Integer luaL_optinteger (
- }
- 
- 
-+#ifdef LNUM_COMPLEX
-+LUALIB_API lua_Complex luaL_checkcomplex (lua_State *L, int narg) {
-+  lua_Complex c = lua_tocomplex(L, narg);
-+  if (c == 0 && !lua_isnumber(L, narg))  /* avoid extra test when c is not 0 */
-+    tag_error(L, narg, LUA_TNUMBER);
-+  return c;
-+}
-+#endif
-+
-+
- LUALIB_API int luaL_getmetafield (lua_State *L, int obj, const char *event) {
-   if (!lua_getmetatable(L, obj))  /* no metatable? */
-     return 0;
---- a/src/lauxlib.h
-+++ b/src/lauxlib.h
-@@ -57,6 +57,12 @@ LUALIB_API lua_Number (luaL_optnumber) (
- LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
- LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
-                                           lua_Integer def);
-+#define luaL_checkint32(L,narg) ((int)luaL_checkinteger(L,narg))
-+#define luaL_optint32(L,narg,def) ((int)luaL_optinteger(L,narg,def))
-+
-+#ifdef LNUM_COMPLEX
-+  LUALIB_API lua_Complex (luaL_checkcomplex) (lua_State *L, int narg);
-+#endif
- 
- LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
- LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
---- a/src/lbaselib.c
-+++ b/src/lbaselib.c
-@@ -18,7 +18,9 @@
- 
- #include "lauxlib.h"
- #include "lualib.h"
--
-+#include "llimits.h"
-+#include "lobject.h"
-+#include "lapi.h"
- 
- 
- 
-@@ -54,20 +56,25 @@ static int luaB_tonumber (lua_State *L) 
-   int base = luaL_optint(L, 2, 10);
-   if (base == 10) {  /* standard conversion */
-     luaL_checkany(L, 1);
--    if (lua_isnumber(L, 1)) {
--      lua_pushnumber(L, lua_tonumber(L, 1));
-+    if (lua_isnumber(L, 1)) {       /* numeric string, or a number */
-+      lua_pushvalue_as_number(L,1);     /* API extension (not to lose accuracy here) */
-       return 1;
--    }
-+	}
-   }
-   else {
-     const char *s1 = luaL_checkstring(L, 1);
-     char *s2;
--    unsigned long n;
-+    unsigned LUA_INTEGER n;
-     luaL_argcheck(L, 2 <= base && base <= 36, 2, "base out of range");
--    n = strtoul(s1, &s2, base);
-+    n = lua_str2ul(s1, &s2, base);
-     if (s1 != s2) {  /* at least one valid digit? */
-       while (isspace((unsigned char)(*s2))) s2++;  /* skip trailing spaces */
-       if (*s2 == '\0') {  /* no invalid trailing characters? */
-+	  
-+		/* Push as number, there needs to be separate 'luaB_tointeger' for
-+		 * when the caller wants to preserve the bits (matters if unsigned
-+		 * values are used).
-+		 */
-         lua_pushnumber(L, (lua_Number)n);
-         return 1;
-       }
-@@ -144,7 +151,7 @@ static int luaB_setfenv (lua_State *L) {
-   luaL_checktype(L, 2, LUA_TTABLE);
-   getfunc(L, 0);
-   lua_pushvalue(L, 2);
--  if (lua_isnumber(L, 1) && lua_tonumber(L, 1) == 0) {
-+  if (lua_isnumber(L, 1) && lua_tointeger(L, 1) == 0) {
-     /* change environment of current thread */
-     lua_pushthread(L);
-     lua_insert(L, -2);
-@@ -209,7 +216,7 @@ static int luaB_collectgarbage (lua_Stat
-       return 1;
-     }
-     default: {
--      lua_pushnumber(L, res);
-+      lua_pushinteger(L, res);
-       return 1;
-     }
-   }
-@@ -631,6 +638,8 @@ static void base_open (lua_State *L) {
-   luaL_register(L, "_G", base_funcs);
-   lua_pushliteral(L, LUA_VERSION);
-   lua_setglobal(L, "_VERSION");  /* set global _VERSION */
-+  lua_pushliteral(L, LUA_LNUM);
-+  lua_setglobal(L, "_LNUM");  /* "[complex] double|float|ldouble int32|int64" */
-   /* `ipairs' and `pairs' need auxliliary functions as upvalues */
-   auxopen(L, "ipairs", luaB_ipairs, ipairsaux);
-   auxopen(L, "pairs", luaB_pairs, luaB_next);
---- a/src/lcode.c
-+++ b/src/lcode.c
-@@ -22,13 +22,18 @@
- #include "lopcodes.h"
- #include "lparser.h"
- #include "ltable.h"
-+#include "lnum.h"
- 
- 
- #define hasjumps(e)	((e)->t != (e)->f)
- 
--
- static int isnumeral(expdesc *e) {
--  return (e->k == VKNUM && e->t == NO_JUMP && e->f == NO_JUMP);
-+  int ek=
-+#ifdef LNUM_COMPLEX
-+    (e->k == VKNUM2) ||
-+#endif
-+    (e->k == VKINT) || (e->k == VKNUM);
-+  return (ek && e->t == NO_JUMP && e->f == NO_JUMP);
- }
- 
- 
-@@ -231,12 +236,16 @@ static int addk (FuncState *fs, TValue *
-   TValue *idx = luaH_set(L, fs->h, k);
-   Proto *f = fs->f;
-   int oldsize = f->sizek;
--  if (ttisnumber(idx)) {
--    lua_assert(luaO_rawequalObj(&fs->f->k[cast_int(nvalue(idx))], v));
--    return cast_int(nvalue(idx));
-+  if (ttype(idx)==LUA_TNUMBER) {
-+    luai_normalize(idx);
-+    lua_assert( ttype(idx)==LUA_TINT );     /* had no fraction */
-+  }
-+  if (ttisint(idx)) {
-+    lua_assert(luaO_rawequalObj(&fs->f->k[ivalue(idx)], v));
-+    return cast_int(ivalue(idx));
-   }
-   else {  /* constant not found; create a new entry */
--    setnvalue(idx, cast_num(fs->nk));
-+    setivalue(idx, fs->nk);
-     luaM_growvector(L, f->k, fs->nk, f->sizek, TValue,
-                     MAXARG_Bx, "constant table overflow");
-     while (oldsize < f->sizek) setnilvalue(&f->k[oldsize++]);
-@@ -261,6 +270,21 @@ int luaK_numberK (FuncState *fs, lua_Num
- }
- 
- 
-+int luaK_integerK (FuncState *fs, lua_Integer r) {
-+  TValue o;
-+  setivalue(&o, r);
-+  return addk(fs, &o, &o);
-+}
-+
-+
-+#ifdef LNUM_COMPLEX
-+static int luaK_imagK (FuncState *fs, lua_Number r) {
-+  TValue o;
-+  setnvalue_complex(&o, r*I);
-+  return addk(fs, &o, &o);
-+}
-+#endif
-+
- static int boolK (FuncState *fs, int b) {
-   TValue o;
-   setbvalue(&o, b);
-@@ -359,6 +383,16 @@ static void discharge2reg (FuncState *fs
-       luaK_codeABx(fs, OP_LOADK, reg, luaK_numberK(fs, e->u.nval));
-       break;
-     }
-+    case VKINT: {
-+      luaK_codeABx(fs, OP_LOADK, reg, luaK_integerK(fs, e->u.ival));
-+      break;
-+    }
-+#ifdef LNUM_COMPLEX
-+    case VKNUM2: {
-+      luaK_codeABx(fs, OP_LOADK, reg, luaK_imagK(fs, e->u.nval));
-+      break;
-+    }
-+#endif
-     case VRELOCABLE: {
-       Instruction *pc = &getcode(fs, e);
-       SETARG_A(*pc, reg);
-@@ -444,6 +478,10 @@ void luaK_exp2val (FuncState *fs, expdes
- int luaK_exp2RK (FuncState *fs, expdesc *e) {
-   luaK_exp2val(fs, e);
-   switch (e->k) {
-+#ifdef LNUM_COMPLEX
-+    case VKNUM2:
-+#endif
-+    case VKINT:
-     case VKNUM:
-     case VTRUE:
-     case VFALSE:
-@@ -451,6 +489,10 @@ int luaK_exp2RK (FuncState *fs, expdesc 
-       if (fs->nk <= MAXINDEXRK) {  /* constant fit in RK operand? */
-         e->u.s.info = (e->k == VNIL)  ? nilK(fs) :
-                       (e->k == VKNUM) ? luaK_numberK(fs, e->u.nval) :
-+                      (e->k == VKINT) ? luaK_integerK(fs, e->u.ival) :
-+#ifdef LNUM_COMPLEX
-+                      (e->k == VKNUM2) ? luaK_imagK(fs, e->u.nval) :
-+#endif
-                                         boolK(fs, (e->k == VTRUE));
-         e->k = VK;
-         return RKASK(e->u.s.info);
-@@ -540,7 +582,10 @@ void luaK_goiftrue (FuncState *fs, expde
-   int pc;  /* pc of last jump */
-   luaK_dischargevars(fs, e);
-   switch (e->k) {
--    case VK: case VKNUM: case VTRUE: {
-+#ifdef LNUM_COMPLEX
-+    case VKNUM2:
-+#endif
-+    case VKINT: case VK: case VKNUM: case VTRUE: {
-       pc = NO_JUMP;  /* always true; do nothing */
-       break;
-     }
-@@ -598,7 +643,10 @@ static void codenot (FuncState *fs, expd
-       e->k = VTRUE;
-       break;
-     }
--    case VK: case VKNUM: case VTRUE: {
-+#ifdef LNUM_COMPLEX
-+    case VKNUM2:
-+#endif
-+    case VKINT: case VK: case VKNUM: case VTRUE: {
-       e->k = VFALSE;
-       break;
-     }
-@@ -634,25 +682,70 @@ void luaK_indexed (FuncState *fs, expdes
- 
- static int constfolding (OpCode op, expdesc *e1, expdesc *e2) {
-   lua_Number v1, v2, r;
-+  int vkres= VKNUM;
-   if (!isnumeral(e1) || !isnumeral(e2)) return 0;
--  v1 = e1->u.nval;
--  v2 = e2->u.nval;
-+
-+  /* real and imaginary parts don't mix. */
-+#ifdef LNUM_COMPLEX
-+  if (e1->k == VKNUM2) {
-+    if ((op != OP_UNM) && (e2->k != VKNUM2)) return 0; 
-+    vkres= VKNUM2; }
-+  else if (e2->k == VKNUM2) { return 0; }
-+#endif
-+  if ((e1->k == VKINT) && (e2->k == VKINT)) {
-+    lua_Integer i1= e1->u.ival, i2= e2->u.ival;
-+    lua_Integer rr;
-+    int done= 0;
-+    /* Integer/integer calculations (may end up producing floating point) */
-+    switch (op) {
-+      case OP_ADD: done= try_addint( &rr, i1, i2 ); break;
-+      case OP_SUB: done= try_subint( &rr, i1, i2 ); break;
-+      case OP_MUL: done= try_mulint( &rr, i1, i2 ); break;
-+      case OP_DIV: done= try_divint( &rr, i1, i2 ); break;
-+      case OP_MOD: done= try_modint( &rr, i1, i2 ); break;
-+      case OP_POW: done= try_powint( &rr, i1, i2 ); break;
-+      case OP_UNM: done= try_unmint( &rr, i1 ); break;
-+      default:     done= 0; break;
-+    }
-+    if (done) {
-+      e1->u.ival = rr;  /* remained within integer range */
-+      return 1;
-+    }
-+  }
-+  v1 = (e1->k == VKINT) ? ((lua_Number)e1->u.ival) : e1->u.nval;
-+  v2 = (e2->k == VKINT) ? ((lua_Number)e2->u.ival) : e2->u.nval;
-+
-   switch (op) {
-     case OP_ADD: r = luai_numadd(v1, v2); break;
-     case OP_SUB: r = luai_numsub(v1, v2); break;
--    case OP_MUL: r = luai_nummul(v1, v2); break;
-+    case OP_MUL: 
-+#ifdef LNUM_COMPLEX
-+        if (vkres==VKNUM2) return 0;    /* leave to runtime (could do here, but not worth it?) */
-+#endif
-+        r = luai_nummul(v1, v2); break;
-     case OP_DIV:
-       if (v2 == 0) return 0;  /* do not attempt to divide by 0 */
--      r = luai_numdiv(v1, v2); break;
-+#ifdef LNUM_COMPLEX
-+        if (vkres==VKNUM2) return 0;    /* leave to runtime */
-+#endif
-+        r = luai_numdiv(v1, v2); break;
-     case OP_MOD:
-       if (v2 == 0) return 0;  /* do not attempt to divide by 0 */
-+#ifdef LNUM_COMPLEX
-+      if (vkres==VKNUM2) return 0;    /* leave to runtime */
-+#endif
-       r = luai_nummod(v1, v2); break;
--    case OP_POW: r = luai_numpow(v1, v2); break;
-+    case OP_POW: 
-+#ifdef LNUM_COMPLEX
-+      if (vkres==VKNUM2) return 0;    /* leave to runtime */
-+#endif
-+      r = luai_numpow(v1, v2); break;
-     case OP_UNM: r = luai_numunm(v1); break;
-     case OP_LEN: return 0;  /* no constant folding for 'len' */
-     default: lua_assert(0); r = 0; break;
-   }
-   if (luai_numisnan(r)) return 0;  /* do not attempt to produce NaN */
-+  e1->k = cast(expkind,vkres);
-   e1->u.nval = r;
-   return 1;
- }
-@@ -696,7 +789,8 @@ static void codecomp (FuncState *fs, OpC
- 
- void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e) {
-   expdesc e2;
--  e2.t = e2.f = NO_JUMP; e2.k = VKNUM; e2.u.nval = 0;
-+  e2.t = e2.f = NO_JUMP; e2.k = VKINT; e2.u.ival = 0;
-+
-   switch (op) {
-     case OPR_MINUS: {
-       if (!isnumeral(e))
---- a/src/lcode.h
-+++ b/src/lcode.h
-@@ -71,6 +71,6 @@ LUAI_FUNC void luaK_prefix (FuncState *f
- LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v);
- LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2);
- LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
--
-+LUAI_FUNC int luaK_integerK (FuncState *fs, lua_Integer r);
- 
- #endif
---- a/src/ldebug.c
-+++ b/src/ldebug.c
-@@ -183,7 +183,7 @@ static void collectvalidlines (lua_State
-     int *lineinfo = f->l.p->lineinfo;
-     int i;
-     for (i=0; i<f->l.p->sizelineinfo; i++)
--      setbvalue(luaH_setnum(L, t, lineinfo[i]), 1);
-+      setbvalue(luaH_setint(L, t, lineinfo[i]), 1);
-     sethvalue(L, L->top, t); 
-   }
-   incr_top(L);
-@@ -566,7 +566,7 @@ static int isinstack (CallInfo *ci, cons
- 
- void luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
-   const char *name = NULL;
--  const char *t = luaT_typenames[ttype(o)];
-+  const char *t = luaT_typenames[ttype_ext(o)];
-   const char *kind = (isinstack(L->ci, o)) ?
-                          getobjname(L, L->ci, cast_int(o - L->base), &name) :
-                          NULL;
-@@ -594,8 +594,8 @@ void luaG_aritherror (lua_State *L, cons
- 
- 
- int luaG_ordererror (lua_State *L, const TValue *p1, const TValue *p2) {
--  const char *t1 = luaT_typenames[ttype(p1)];
--  const char *t2 = luaT_typenames[ttype(p2)];
-+  const char *t1 = luaT_typenames[ttype_ext(p1)];
-+  const char *t2 = luaT_typenames[ttype_ext(p2)];
-   if (t1[2] == t2[2])
-     luaG_runerror(L, "attempt to compare two %s values", t1);
-   else
---- a/src/ldo.c
-+++ b/src/ldo.c
-@@ -219,9 +219,9 @@ static StkId adjust_varargs (lua_State *
-     luaC_checkGC(L);
-     htab = luaH_new(L, nvar, 1);  /* create `arg' table */
-     for (i=0; i<nvar; i++)  /* put extra arguments into `arg' table */
--      setobj2n(L, luaH_setnum(L, htab, i+1), L->top - nvar + i);
-+      setobj2n(L, luaH_setint(L, htab, i+1), L->top - nvar + i);
-     /* store counter in field `n' */
--    setnvalue(luaH_setstr(L, htab, luaS_newliteral(L, "n")), cast_num(nvar));
-+    setivalue(luaH_setstr(L, htab, luaS_newliteral(L, "n")), nvar);
-   }
- #endif
-   /* move fixed parameters to final position */
---- a/src/ldump.c
-+++ b/src/ldump.c
-@@ -52,6 +52,11 @@ static void DumpNumber(lua_Number x, Dum
-  DumpVar(x,D);
- }
- 
-+static void DumpInteger(lua_Integer x, DumpState* D)
-+{
-+ DumpVar(x,D);
-+}
-+
- static void DumpVector(const void* b, int n, size_t size, DumpState* D)
- {
-  DumpInt(n,D);
-@@ -93,8 +98,11 @@ static void DumpConstants(const Proto* f
- 	DumpChar(bvalue(o),D);
- 	break;
-    case LUA_TNUMBER:
--	DumpNumber(nvalue(o),D);
-+	DumpNumber(nvalue_fast(o),D);
- 	break;
-+   case LUA_TINT:
-+	DumpInteger(ivalue(o),D);
-+    break;
-    case LUA_TSTRING:
- 	DumpString(rawtsvalue(o),D);
- 	break;
---- a/src/liolib.c
-+++ b/src/liolib.c
-@@ -9,6 +9,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <ctype.h>
- 
- #define liolib_c
- #define LUA_LIB
-@@ -18,7 +19,8 @@
- #include "lauxlib.h"
- #include "lualib.h"
- 
--
-+#include "lnum.h"
-+#include "llex.h"
- 
- #define IO_INPUT	1
- #define IO_OUTPUT	2
-@@ -269,6 +271,13 @@ static int io_lines (lua_State *L) {
- ** =======================================================
- */
- 
-+/*
-+* Many problems if we intend the same 'n' format specifier (see 'file:read()')
-+* to work for both FP and integer numbers, without losing their accuracy. So
-+* we don't. 'n' reads numbers as floating points, 'i' as integers. Old code
-+* remains valid, but won't provide full integer accuracy (this only matters
-+* with float FP and/or 64-bit integers).
-+*/
- 
- static int read_number (lua_State *L, FILE *f) {
-   lua_Number d;
-@@ -279,6 +288,43 @@ static int read_number (lua_State *L, FI
-   else return 0;  /* read fails */
- }
- 
-+static int read_integer (lua_State *L, FILE *f) {
-+  lua_Integer i;
-+  if (fscanf(f, LUA_INTEGER_SCAN, &i) == 1) {
-+    lua_pushinteger(L, i);
-+    return 1;
-+  }
-+  else return 0;  /* read fails */
-+}
-+
-+#ifdef LNUM_COMPLEX
-+static int read_complex (lua_State *L, FILE *f) {
-+  /* NNN / NNNi / NNN+MMMi / NNN-MMMi */
-+  lua_Number a,b;
-+  if (fscanf(f, LUA_NUMBER_SCAN, &a) == 1) {
-+    int c=fgetc(f);
-+    switch(c) {
-+        case 'i':
-+            lua_pushcomplex(L, a*I);
-+            return 1;
-+        case '+':
-+        case '-':
-+            /* "i" is consumed if at the end; just 'NNN+MMM' will most likely
-+             * behave as if "i" was there? (TBD: test)
-+             */
-+            if (fscanf(f, LUA_NUMBER_SCAN "i", &b) == 1) {
-+                lua_pushcomplex(L, a+ (c=='+' ? b:-b)*I);
-+                return 1;
-+            }
-+    }
-+    ungetc( c,f );
-+    lua_pushnumber(L,a);  /*real part only*/
-+    return 1;
-+  }
-+  return 0;  /* read fails */
-+}
-+#endif
-+
- 
- static int test_eof (lua_State *L, FILE *f) {
-   int c = getc(f);
-@@ -352,6 +398,14 @@ static int g_read (lua_State *L, FILE *f
-           case 'n':  /* number */
-             success = read_number(L, f);
-             break;
-+          case 'i':  /* integer (full accuracy) */
-+            success = read_integer(L, f);
-+            break;
-+#ifdef LNUM_COMPLEX
-+          case 'c':  /* complex */
-+            success = read_complex(L, f);
-+            break;
-+#endif
-           case 'l':  /* line */
-             success = read_line(L, f);
-             break;
-@@ -412,9 +466,10 @@ static int g_write (lua_State *L, FILE *
-   int status = 1;
-   for (; nargs--; arg++) {
-     if (lua_type(L, arg) == LUA_TNUMBER) {
--      /* optimization: could be done exactly as for strings */
--      status = status &&
--          fprintf(f, LUA_NUMBER_FMT, lua_tonumber(L, arg)) > 0;
-+      if (lua_isinteger(L,arg))
-+          status = status && fprintf(f, LUA_INTEGER_FMT, lua_tointeger(L, arg)) > 0;
-+      else
-+          status = status && fprintf(f, LUA_NUMBER_FMT, lua_tonumber(L, arg)) > 0;
-     }
-     else {
-       size_t l;
-@@ -457,7 +512,7 @@ static int f_setvbuf (lua_State *L) {
-   static const char *const modenames[] = {"no", "full", "line", NULL};
-   FILE *f = tofile(L);
-   int op = luaL_checkoption(L, 2, NULL, modenames);
--  lua_Integer sz = luaL_optinteger(L, 3, LUAL_BUFFERSIZE);
-+  size_t sz = luaL_optint32(L, 3, LUAL_BUFFERSIZE);
-   int res = setvbuf(f, NULL, mode[op], sz);
-   return pushresult(L, res == 0, NULL);
- }
---- a/src/llex.c
-+++ b/src/llex.c
-@@ -22,6 +22,7 @@
- #include "lstring.h"
- #include "ltable.h"
- #include "lzio.h"
-+#include "lnum.h"
- 
- 
- 
-@@ -34,13 +35,17 @@
- 
- 
- /* ORDER RESERVED */
--const char *const luaX_tokens [] = {
-+static const char *const luaX_tokens [] = {
-     "and", "break", "do", "else", "elseif",
-     "end", "false", "for", "function", "if",
-     "in", "local", "nil", "not", "or", "repeat",
-     "return", "then", "true", "until", "while",
-     "..", "...", "==", ">=", "<=", "~=",
-     "<number>", "<name>", "<string>", "<eof>",
-+    "<integer>",
-+#ifdef LNUM_COMPLEX
-+    "<number2>",
-+#endif
-     NULL
- };
- 
-@@ -90,7 +95,11 @@ static const char *txtToken (LexState *l
-   switch (token) {
-     case TK_NAME:
-     case TK_STRING:
-+    case TK_INT:
-     case TK_NUMBER:
-+#ifdef LNUM_COMPLEX
-+    case TK_NUMBER2:
-+#endif
-       save(ls, '\0');
-       return luaZ_buffer(ls->buff);
-     default:
-@@ -173,23 +182,27 @@ static void buffreplace (LexState *ls, c
-     if (p[n] == from) p[n] = to;
- }
- 
--
--static void trydecpoint (LexState *ls, SemInfo *seminfo) {
-+/* TK_NUMBER (/ TK_NUMBER2) */
-+static int trydecpoint (LexState *ls, SemInfo *seminfo) {
-   /* format error: try to update decimal point separator */
-   struct lconv *cv = localeconv();
-   char old = ls->decpoint;
-+  int ret;
-   ls->decpoint = (cv ? cv->decimal_point[0] : '.');
-   buffreplace(ls, old, ls->decpoint);  /* try updated decimal separator */
--  if (!luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r)) {
-+  ret= luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r, NULL);
-+  if (!ret) {
-     /* format error with correct decimal point: no more options */
-     buffreplace(ls, ls->decpoint, '.');  /* undo change (for error message) */
-     luaX_lexerror(ls, "malformed number", TK_NUMBER);
-   }
-+  return ret;
- }
- 
- 
--/* LUA_NUMBER */
--static void read_numeral (LexState *ls, SemInfo *seminfo) {
-+/* TK_NUMBER / TK_INT (/TK_NUMBER2) */
-+static int read_numeral (LexState *ls, SemInfo *seminfo) {
-+  int ret;
-   lua_assert(isdigit(ls->current));
-   do {
-     save_and_next(ls);
-@@ -200,8 +213,9 @@ static void read_numeral (LexState *ls, 
-     save_and_next(ls);
-   save(ls, '\0');
-   buffreplace(ls, '.', ls->decpoint);  /* follow locale for decimal point */
--  if (!luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r))  /* format error? */
--    trydecpoint(ls, seminfo); /* try to update decimal point separator */
-+  ret= luaO_str2d(luaZ_buffer(ls->buff), &seminfo->r, &seminfo->i );
-+  if (!ret) return trydecpoint(ls, seminfo); /* try to update decimal point separator */
-+  return ret;
- }
- 
- 
-@@ -329,6 +343,7 @@ static void read_string (LexState *ls, i
- }
- 
- 
-+/* char / TK_* */
- static int llex (LexState *ls, SemInfo *seminfo) {
-   luaZ_resetbuffer(ls->buff);
-   for (;;) {
-@@ -400,8 +415,7 @@ static int llex (LexState *ls, SemInfo *
-         }
-         else if (!isdigit(ls->current)) return '.';
-         else {
--          read_numeral(ls, seminfo);
--          return TK_NUMBER;
-+          return read_numeral(ls, seminfo);
-         }
-       }
-       case EOZ: {
-@@ -414,8 +428,7 @@ static int llex (LexState *ls, SemInfo *
-           continue;
-         }
-         else if (isdigit(ls->current)) {
--          read_numeral(ls, seminfo);
--          return TK_NUMBER;
-+          return read_numeral(ls, seminfo);
-         }
-         else if (isalpha(ls->current) || ls->current == '_') {
-           /* identifier or reserved word */
---- a/src/llex.h
-+++ b/src/llex.h
-@@ -29,19 +29,22 @@ enum RESERVED {
-   TK_RETURN, TK_THEN, TK_TRUE, TK_UNTIL, TK_WHILE,
-   /* other terminal symbols */
-   TK_CONCAT, TK_DOTS, TK_EQ, TK_GE, TK_LE, TK_NE, TK_NUMBER,
--  TK_NAME, TK_STRING, TK_EOS
-+  TK_NAME, TK_STRING, TK_EOS, TK_INT
-+#ifdef LNUM_COMPLEX
-+  , TK_NUMBER2   /* imaginary constants: Ni */ 
-+#endif
- };
- 
- /* number of reserved words */
- #define NUM_RESERVED	(cast(int, TK_WHILE-FIRST_RESERVED+1))
- 
- 
--/* array with token `names' */
--LUAI_DATA const char *const luaX_tokens [];
--
--
-+/* SemInfo is a local data structure of 'llex.c', used for carrying a string
-+ * or a number. A separate token (TK_*) will tell, how to interpret the data.
-+ */      
- typedef union {
-   lua_Number r;
-+  lua_Integer i;
-   TString *ts;
- } SemInfo;  /* semantics information */
- 
---- a/src/llimits.h
-+++ b/src/llimits.h
-@@ -49,6 +49,7 @@ typedef LUAI_USER_ALIGNMENT_T L_Umaxalig
- 
- /* result of a `usual argument conversion' over lua_Number */
- typedef LUAI_UACNUMBER l_uacNumber;
-+typedef LUAI_UACINTEGER l_uacInteger;
- 
- 
- /* internal assertions for in-house debugging */
-@@ -80,7 +81,6 @@ typedef LUAI_UACNUMBER l_uacNumber;
- #define cast_int(i)	cast(int, (i))
- 
- 
--
- /*
- ** type for virtual-machine instructions
- ** must be an unsigned with (at least) 4 bytes (see details in lopcodes.h)
---- a/src/lmathlib.c
-+++ b/src/lmathlib.c
-@@ -4,7 +4,6 @@
- ** See Copyright Notice in lua.h
- */
- 
--
- #include <stdlib.h>
- #include <math.h>
- 
-@@ -16,113 +15,210 @@
- #include "lauxlib.h"
- #include "lualib.h"
- 
-+/* 'luai_vectpow()' as a replacement for 'cpow()'. Defined in the header; we
-+ * don't intrude the code libs internal functions.
-+ */
-+#ifdef LNUM_COMPLEX
-+# include "lnum.h"    
-+#endif
- 
- #undef PI
--#define PI (3.14159265358979323846)
--#define RADIANS_PER_DEGREE (PI/180.0)
--
-+#ifdef LNUM_FLOAT
-+# define PI (3.14159265358979323846F)
-+#elif defined(M_PI)
-+# define PI M_PI
-+#else
-+# define PI (3.14159265358979323846264338327950288)
-+#endif
-+#define RADIANS_PER_DEGREE (PI/180)
- 
-+#undef HUGE
-+#ifdef LNUM_FLOAT
-+# define HUGE HUGE_VALF
-+#elif defined(LNUM_LDOUBLE)
-+# define HUGE HUGE_VALL
-+#else
-+# define HUGE HUGE_VAL
-+#endif
- 
- static int math_abs (lua_State *L) {
--  lua_pushnumber(L, fabs(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushnumber(L, _LF(cabs) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(fabs) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_sin (lua_State *L) {
--  lua_pushnumber(L, sin(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(csin) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(sin) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_sinh (lua_State *L) {
--  lua_pushnumber(L, sinh(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(csinh) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(sinh) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_cos (lua_State *L) {
--  lua_pushnumber(L, cos(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(ccos) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(cos) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_cosh (lua_State *L) {
--  lua_pushnumber(L, cosh(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(ccosh) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(cosh) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_tan (lua_State *L) {
--  lua_pushnumber(L, tan(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(ctan) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(tan) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_tanh (lua_State *L) {
--  lua_pushnumber(L, tanh(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(ctanh) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(tanh) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_asin (lua_State *L) {
--  lua_pushnumber(L, asin(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(casin) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(asin) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_acos (lua_State *L) {
--  lua_pushnumber(L, acos(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(cacos) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(acos) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_atan (lua_State *L) {
--  lua_pushnumber(L, atan(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(catan) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(atan) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_atan2 (lua_State *L) {
--  lua_pushnumber(L, atan2(luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-+  /* scalars only */
-+  lua_pushnumber(L, _LF(atan2) (luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-   return 1;
- }
- 
- static int math_ceil (lua_State *L) {
--  lua_pushnumber(L, ceil(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_Complex v= luaL_checkcomplex(L, 1);
-+  lua_pushcomplex(L, _LF(ceil) (_LF(creal)(v)) + _LF(ceil) (_LF(cimag)(v))*I);
-+#else
-+  lua_pushnumber(L, _LF(ceil) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_floor (lua_State *L) {
--  lua_pushnumber(L, floor(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_Complex v= luaL_checkcomplex(L, 1);
-+  lua_pushcomplex(L, _LF(floor) (_LF(creal)(v)) + _LF(floor) (_LF(cimag)(v))*I);
-+#else
-+  lua_pushnumber(L, _LF(floor) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
--static int math_fmod (lua_State *L) {
--  lua_pushnumber(L, fmod(luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-+static int math_fmod (lua_State *L) {  
-+  /* scalars only */
-+  lua_pushnumber(L, _LF(fmod) (luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-   return 1;
- }
- 
- static int math_modf (lua_State *L) {
--  double ip;
--  double fp = modf(luaL_checknumber(L, 1), &ip);
-+  /* scalars only */
-+  lua_Number ip;
-+  lua_Number fp = _LF(modf) (luaL_checknumber(L, 1), &ip);
-   lua_pushnumber(L, ip);
-   lua_pushnumber(L, fp);
-   return 2;
- }
- 
- static int math_sqrt (lua_State *L) {
--  lua_pushnumber(L, sqrt(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(csqrt) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(sqrt) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_pow (lua_State *L) {
--  lua_pushnumber(L, pow(luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-+#ifdef LNUM_COMPLEX
-+  /* C99 'cpow' gives somewhat inaccurate results (i.e. (-1)^2 = -1+1.2246467991474e-16i). 
-+  * 'luai_vectpow' smoothens such, reusing it is the reason we need to #include "lnum.h".
-+  */
-+  lua_pushcomplex(L, luai_vectpow(luaL_checkcomplex(L,1), luaL_checkcomplex(L,2)));
-+#else
-+  lua_pushnumber(L, _LF(pow) (luaL_checknumber(L, 1), luaL_checknumber(L, 2)));
-+#endif
-   return 1;
- }
- 
- static int math_log (lua_State *L) {
--  lua_pushnumber(L, log(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(clog) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(log) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_log10 (lua_State *L) {
--  lua_pushnumber(L, log10(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  /* Not in standard <complex.h> , but easy to calculate: log_a(x) = log_b(x) / log_b(a) 
-+  */
-+  lua_pushcomplex(L, _LF(clog) (luaL_checkcomplex(L,1)) / _LF(log) (10));
-+#else
-+  lua_pushnumber(L, _LF(log10) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
- static int math_exp (lua_State *L) {
--  lua_pushnumber(L, exp(luaL_checknumber(L, 1)));
-+#ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(cexp) (luaL_checkcomplex(L,1)));
-+#else
-+  lua_pushnumber(L, _LF(exp) (luaL_checknumber(L, 1)));
-+#endif
-   return 1;
- }
- 
-@@ -138,19 +234,20 @@ static int math_rad (lua_State *L) {
- 
- static int math_frexp (lua_State *L) {
-   int e;
--  lua_pushnumber(L, frexp(luaL_checknumber(L, 1), &e));
-+  lua_pushnumber(L, _LF(frexp) (luaL_checknumber(L, 1), &e));
-   lua_pushinteger(L, e);
-   return 2;
- }
- 
- static int math_ldexp (lua_State *L) {
--  lua_pushnumber(L, ldexp(luaL_checknumber(L, 1), luaL_checkint(L, 2)));
-+  lua_pushnumber(L, _LF(ldexp) (luaL_checknumber(L, 1), luaL_checkint(L, 2)));
-   return 1;
- }
- 
- 
- 
- static int math_min (lua_State *L) {
-+  /* scalars only */
-   int n = lua_gettop(L);  /* number of arguments */
-   lua_Number dmin = luaL_checknumber(L, 1);
-   int i;
-@@ -165,6 +262,7 @@ static int math_min (lua_State *L) {
- 
- 
- static int math_max (lua_State *L) {
-+  /* scalars only */
-   int n = lua_gettop(L);  /* number of arguments */
-   lua_Number dmax = luaL_checknumber(L, 1);
-   int i;
-@@ -182,25 +280,20 @@ static int math_random (lua_State *L) {
-   /* the `%' avoids the (rare) case of r==1, and is needed also because on
-      some systems (SunOS!) `rand()' may return a value larger than RAND_MAX */
-   lua_Number r = (lua_Number)(rand()%RAND_MAX) / (lua_Number)RAND_MAX;
--  switch (lua_gettop(L)) {  /* check number of arguments */
--    case 0: {  /* no arguments */
--      lua_pushnumber(L, r);  /* Number between 0 and 1 */
--      break;
--    }
--    case 1: {  /* only upper limit */
--      int u = luaL_checkint(L, 1);
--      luaL_argcheck(L, 1<=u, 1, "interval is empty");
--      lua_pushnumber(L, floor(r*u)+1);  /* int between 1 and `u' */
--      break;
--    }
--    case 2: {  /* lower and upper limits */
--      int l = luaL_checkint(L, 1);
--      int u = luaL_checkint(L, 2);
--      luaL_argcheck(L, l<=u, 2, "interval is empty");
--      lua_pushnumber(L, floor(r*(u-l+1))+l);  /* int between `l' and `u' */
--      break;
--    }
--    default: return luaL_error(L, "wrong number of arguments");
-+  int n= lua_gettop(L);  /* number of arguments */
-+  if (n==0) {	/* no arguments: range [0,1) */
-+    lua_pushnumber(L, r);
-+  } else if (n<=2) {	/* int range [1,u] or [l,u] */
-+    int l= n==1 ? 1 : luaL_checkint(L, 1);
-+    int u = luaL_checkint(L, n);
-+    int tmp;
-+    lua_Number d;
-+    luaL_argcheck(L, l<=u, n, "interval is empty");
-+    d= _LF(floor)(r*(u-l+1));
-+    lua_number2int(tmp,d);
-+    lua_pushinteger(L, l+tmp);
-+  } else {
-+    return luaL_error(L, "wrong number of arguments");
-   }
-   return 1;
- }
-@@ -211,6 +304,66 @@ static int math_randomseed (lua_State *L
-   return 0;
- }
- 
-+/* 
-+* Lua 5.1 does not have acosh, asinh, atanh for scalars (not ANSI C)
-+*/
-+#if __STDC_VERSION__ >= 199901L
-+static int math_acosh (lua_State *L) {
-+# ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(cacosh) (luaL_checkcomplex(L,1)));
-+# else
-+  lua_pushnumber(L, _LF(acosh) (luaL_checknumber(L,1)));
-+# endif
-+  return 1;
-+}
-+static int math_asinh (lua_State *L) {
-+# ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(casinh) (luaL_checkcomplex(L,1)));
-+# else
-+  lua_pushnumber(L, _LF(asinh) (luaL_checknumber(L,1)));
-+# endif
-+  return 1;
-+}
-+static int math_atanh (lua_State *L) {
-+# ifdef LNUM_COMPLEX
-+  lua_pushcomplex(L, _LF(catanh) (luaL_checkcomplex(L,1)));
-+# else
-+  lua_pushnumber(L, _LF(atanh) (luaL_checknumber(L,1)));
-+# endif
-+  return 1;
-+}
-+#endif
-+
-+/* 
-+ * C99 complex functions, not covered above.
-+*/
-+#ifdef LNUM_COMPLEX
-+static int math_arg (lua_State *L) {
-+  lua_pushnumber(L, _LF(carg) (luaL_checkcomplex(L,1)));
-+  return 1;
-+}
-+
-+static int math_imag (lua_State *L) {
-+  lua_pushnumber(L, _LF(cimag) (luaL_checkcomplex(L,1)));
-+  return 1;
-+}
-+
-+static int math_real (lua_State *L) {
-+  lua_pushnumber(L, _LF(creal) (luaL_checkcomplex(L,1)));
-+  return 1;
-+}
-+
-+static int math_conj (lua_State *L) {
-+  lua_pushcomplex(L, _LF(conj) (luaL_checkcomplex(L,1)));
-+  return 1;
-+}
-+
-+static int math_proj (lua_State *L) {
-+  lua_pushcomplex(L, _LF(cproj) (luaL_checkcomplex(L,1)));
-+  return 1;
-+}
-+#endif
-+
- 
- static const luaL_Reg mathlib[] = {
-   {"abs",   math_abs},
-@@ -241,6 +394,18 @@ static const luaL_Reg mathlib[] = {
-   {"sqrt",  math_sqrt},
-   {"tanh",   math_tanh},
-   {"tan",   math_tan},
-+#if __STDC_VERSION__ >= 199901L
-+  {"acosh",  math_acosh},
-+  {"asinh",  math_asinh},
-+  {"atanh",  math_atanh},
-+#endif
-+#ifdef LNUM_COMPLEX
-+  {"arg",   math_arg},
-+  {"imag",  math_imag},
-+  {"real",  math_real},
-+  {"conj",  math_conj},
-+  {"proj",  math_proj},
-+#endif
-   {NULL, NULL}
- };
- 
-@@ -252,8 +417,10 @@ LUALIB_API int luaopen_math (lua_State *
-   luaL_register(L, LUA_MATHLIBNAME, mathlib);
-   lua_pushnumber(L, PI);
-   lua_setfield(L, -2, "pi");
--  lua_pushnumber(L, HUGE_VAL);
-+  lua_pushnumber(L, HUGE);
-   lua_setfield(L, -2, "huge");
-+  lua_pushinteger(L, LUA_INTEGER_MAX );
-+  lua_setfield(L, -2, "hugeint");
- #if defined(LUA_COMPAT_MOD)
-   lua_getfield(L, -1, "fmod");
-   lua_setfield(L, -2, "mod");
---- /dev/null
-+++ b/src/lnum.c
-@@ -0,0 +1,312 @@
-+/*
-+** $Id: lnum.c,v ... $
-+** Internal number model
-+** See Copyright Notice in lua.h
-+*/
-+
-+#include <stdlib.h>
-+#include <math.h>
-+#include <ctype.h>
-+#include <string.h>
-+#include <stdio.h>
-+#include <errno.h>
-+
-+#define lnum_c
-+#define LUA_CORE
-+
-+#include "lua.h"
-+#include "llex.h"
-+#include "lnum.h"
-+
-+/*
-+** lua_real2str converts a (non-complex) number to a string.
-+** lua_str2real converts a string to a (non-complex) number.
-+*/
-+#define lua_real2str(s,n)  sprintf((s), LUA_NUMBER_FMT, (n))
-+
-+/*
-+* Note: Only 'strtod()' is part of ANSI C; others are C99 and
-+* may need '--std=c99' compiler setting (at least on Ubuntu 7.10).
-+* 
-+* Visual C++ 2008 Express does not have 'strtof()', nor 'strtold()'.
-+* References to '_strtold()' exist but don't compile. It seems best
-+* to leave Windows users with DOUBLE only (or compile with MinGW).
-+*
-+* In practise, using '(long double)strtod' is a risky thing, since
-+* it will cause accuracy loss in reading in numbers, and such losses
-+* will pile up in later processing. Get a real 'strtold()' or don't
-+* use that mode at all.
-+*/
-+#ifdef LNUM_DOUBLE
-+# define lua_str2real	strtod
-+#elif defined(LNUM_FLOAT)
-+# define lua_str2real	strtof
-+#elif defined(LNUM_LDOUBLE)
-+# define lua_str2real	strtold
-+#endif
-+
-+#define lua_integer2str(s,v) sprintf((s), LUA_INTEGER_FMT, (v))
-+
-+/* 's' is expected to be LUAI_MAXNUMBER2STR long (enough for any number)
-+*/
-+void luaO_num2buf( char *s, const TValue *o )
-+{
-+  lua_Number n;
-+  lua_assert( ttisnumber(o) );
-+
-+  /* Reason to handle integers differently is not only speed, but accuracy as
-+   * well. We want to make any integer tostring() without roundings, at all.
-+   */
-+  if (ttisint(o)) {
-+    lua_integer2str( s, ivalue(o) );
-+    return;
-+  }
-+  n= nvalue_fast(o);
-+  lua_real2str(s, n);
-+
-+#ifdef LNUM_COMPLEX
-+  lua_Number n2= nvalue_img_fast(o);
-+  if (n2!=0) {   /* Postfix with +-Ni */
-+      int re0= (n == 0);
-+      char *s2= re0 ? s : strchr(s,'\0'); 
-+      if ((!re0) && (n2>0)) *s2++= '+';
-+      lua_real2str( s2, n2 );
-+      strcat(s2,"i");
-+  }
-+#endif
-+}
-+
-+/*
-+* If a LUA_TNUMBER has integer value, give it.
-+*/
-+int /*bool*/ tt_integer_valued( const TValue *o, lua_Integer *ref ) {
-+  lua_Number d;
-+  lua_Integer i;
-+
-+  lua_assert( ttype(o)==LUA_TNUMBER );
-+  lua_assert( ref );
-+#ifdef LNUM_COMPLEX
-+  if (nvalue_img_fast(o)!=0) return 0;
-+#endif
-+  d= nvalue_fast(o);
-+  lua_number2integer(i, d);
-+  if (cast_num(i) == d) {
-+    *ref= i; return 1;
-+  }
-+  return 0;
-+}
-+
-+/* 
-+ * Lua 5.1.3 (using 'strtod()') allows 0x+hex but not 0+octal. This is good,
-+ * and we should NOT use 'autobase' 0 with 'strtoul[l]()' for this reason.
-+ *
-+ * Lua 5.1.3 allows '0x...' numbers to overflow and lose precision; this is not
-+ * good. On Visual C++ 2008, 'strtod()' does not even take them in. Better to
-+ * require hex values to fit 'lua_Integer' or give an error that they don't?
-+ *
-+ * Full hex range (0 .. 0xff..ff) is stored as integers, not to lose any bits.
-+ * Numerical value of 0xff..ff will be -1, if used in calculations.
-+ * 
-+ * Returns: TK_INT for a valid integer, '*endptr_ref' updated
-+ *          TK_NUMBER for seemingly numeric, to be parsed as floating point
-+ *          0 for bad characters, not a number (or '0x' out of range)
-+ */
-+static int luaO_str2i (const char *s, lua_Integer *res, char **endptr_ref) {
-+  char *endptr;
-+  /* 'v' gets ULONG_MAX on possible overflow (which is > LUA_INTEGER_MAX);
-+   * we don't have to check 'errno' here.
-+   */
-+  unsigned LUA_INTEGER v= lua_str2ul(s, &endptr, 10);
-+  if (endptr == s) return 0;  /* nothing numeric */
-+  if (v==0 && *endptr=='x') {
-+    errno= 0;   /* needs to be set, 'strtoul[l]' does not clear it */
-+    v= lua_str2ul(endptr+1, &endptr, 16);  /* retry as hex, unsigned range */
-+    if (errno==ERANGE) {   /* clamped to 0xff..ff */
-+#if (defined(LNUM_INT32) && !defined(LNUM_FLOAT)) || defined(LNUM_LDOUBLE)
-+      return TK_NUMBER; /* Allow to be read as floating point (has more integer range) */
-+#else
-+      return 0;  /* Reject the number */
-+#endif
-+    }
-+  } else if ((v > LUA_INTEGER_MAX) || (*endptr && (!isspace(*endptr)))) {
-+    return TK_NUMBER;	/* not in signed range, or has '.', 'e' etc. trailing */
-+  }
-+  *res= (lua_Integer)v;
-+  *endptr_ref= endptr;
-+  return TK_INT;
-+}
-+
-+/* 0 / TK_NUMBER / TK_INT (/ TK_NUMBER2) */
-+int luaO_str2d (const char *s, lua_Number *res_n, lua_Integer *res_i) {
-+  char *endptr;
-+  int ret= TK_NUMBER;
-+  /* Check integers first, if caller is allowing. 
-+   * If 'res2'==NULL, they're only looking for floating point. 
-+   */
-+  if (res_i) {
-+    ret= luaO_str2i(s,res_i,&endptr);
-+    if (ret==0) return 0;
-+  }
-+  if (ret==TK_NUMBER) {
-+    lua_assert(res_n);
-+    /* Note: Visual C++ 2008 Express 'strtod()' does not read in "0x..."
-+     *       numbers; it will read '0' and spit 'x' as endptr.
-+     *       This means hex constants not fitting in 'lua_Integer' won't 
-+     *       be read in at all. What to do?
-+     */
-+    *res_n = lua_str2real(s, &endptr);
-+    if (endptr == s) return 0;  /* conversion failed */
-+    /* Visual C++ 2008 'strtod()' does not allow "0x..." input. */
-+#if defined(_MSC_VER) && !defined(LNUM_FLOAT) && !defined(LNUM_INT64)
-+    if (*res_n==0 && *endptr=='x') {
-+      /* Hex constant too big for 'lua_Integer' but that could fit in 'lua_Number'
-+       * integer bits 
-+       */
-+      unsigned __int64 v= _strtoui64( s, &endptr, 16 );
-+      /* We just let > 64 bit values be clamped to _UI64_MAX (MSDN does not say 'errno'==ERANGE would be set) */
-+      *res_n= cast_num(v);
-+      if (*res_n != v) return 0;    /* Would have lost accuracy */
-+    }
-+#endif
-+#ifdef LNUM_COMPLEX
-+    if (*endptr == 'i') { endptr++; ret= TK_NUMBER2; }
-+#endif
-+  }
-+  if (*endptr) {
-+    while (isspace(cast(unsigned char, *endptr))) endptr++;
-+    if (*endptr) return 0;  /* invalid trail */
-+  }
-+  return ret;
-+}
-+
-+
-+/* Functions for finding out, when integer operations remain in range
-+ * (and doing them).
-+ */
-+int try_addint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+  lua_Integer v= ib+ic; /* may overflow */
-+  if (ib>0 && ic>0)      { if (v < 0) return 0; /*overflow, use floats*/ }
-+  else if (ib<0 && ic<0) { if (v >= 0) return 0; }
-+  *r= v;
-+  return 1;
-+}
-+
-+int try_subint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+  lua_Integer v= ib-ic; /* may overflow */
-+  if (ib>=0 && ic<0)     { if (v < 0) return 0; /*overflow, use floats*/ }
-+  else if (ib<0 && ic>0) { if (v >= 0) return 0; }
-+  *r= v;
-+  return 1;
-+}
-+
-+int try_mulint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+  if (ib!=LUA_INTEGER_MIN && ic!=LUA_INTEGER_MIN) {
-+    lua_Integer b= luai_abs(ib), c= luai_abs(ic);
-+    if ( (ib==0) || (LUA_INTEGER_MAX/b >= c) ) {
-+      *r= ib*ic;  /* no overflow */
-+      return 1;
-+    }
-+  } else if (ib==0 || ic==0) {
-+    *r= 0; return 1;
-+  }
-+
-+  /* Result can be LUA_INTEGER_MIN; if it is, calculating it using floating 
-+   * point will not cause accuracy loss.
-+   */
-+  if ( luai_nummul( cast_num(ib), cast_num(ic) ) == LUA_INTEGER_MIN ) {
-+    *r= LUA_INTEGER_MIN;
-+    return 1;
-+  }
-+  return 0;
-+}
-+
-+int try_divint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+  /* N/0: leave to float side, to give an error
-+  */
-+  if (ic==0) return 0;
-+
-+  /* N/LUA_INTEGER_MIN: always non-integer results, or 0 or +1
-+  */
-+  if (ic==LUA_INTEGER_MIN) {
-+    if (ib==LUA_INTEGER_MIN) { *r=1; return 1; }
-+    if (ib==0) { *r=0; return 1; }
-+
-+  /* LUA_INTEGER_MIN (-2^31|63)/N: calculate using float side (either the division 
-+   *    causes non-integer results, or there is no accuracy loss in int->fp->int
-+   *    conversions (N=2,4,8,..,256 and N=2^30,2^29,..2^23).
-+   */
-+  } else if (ib==LUA_INTEGER_MIN) {
-+    lua_Number d= luai_numdiv( cast_num(LUA_INTEGER_MIN), cast_num(ic) );
-+    lua_Integer i; lua_number2integer(i,d);
-+    if (cast_num(i)==d) { *r= i; return 1; }
-+  
-+  } else {
-+    /* Note: We _can_ use ANSI C mod here, even on negative values, since
-+     *       we only test for == 0 (the sign would be implementation dependent).
-+     */
-+     if (ib%ic == 0) { *r= ib/ic; return 1; }
-+  }
-+
-+  return 0;
-+}
-+
-+int try_modint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+  if (ic!=0) {
-+    /* ANSI C can be trusted when b%c==0, or when values are non-negative. 
-+     * b - (floor(b/c) * c)
-+     *   -->
-+     * + +: b - (b/c) * c (b % c can be used)
-+     * - -: b - (b/c) * c (b % c could work, but not defined by ANSI C)
-+     * 0 -: b - (b/c) * c (=0, b % c could work, but not defined by ANSI C)
-+     * - +: b - (b/c-1) * c (when b!=-c)
-+     * + -: b - (b/c-1) * c (when b!=-c)
-+     *
-+     * o MIN%MIN ends up 0, via overflow in calcs but that does not matter.
-+     * o MIN%MAX ends up MAX-1 (and other such numbers), also after overflow,
-+     *   but that does not matter, results do.
-+     */
-+    lua_Integer v= ib % ic;
-+    if ( v!=0 && (ib<0 || ic<0) ) {
-+      v= ib - ((ib/ic) - ((ib<=0 && ic<0) ? 0:1)) * ic;
-+    }      
-+    /* Result should always have same sign as 2nd argument. (PIL2) */
-+    lua_assert( (v<0) ? (ic<0) : (v>0) ? (ic>0) : 1 );
-+    *r= v;
-+    return 1;
-+  }
-+  return 0;  /* let float side return NaN */
-+}
-+
-+int try_powint( lua_Integer *r, lua_Integer ib, lua_Integer ic ) {
-+
-+    /* In FLOAT/INT32 or FLOAT|DOUBLE/INT64 modes, calculating integer powers 
-+     * via FP realm may lose accuracy (i.e. 7^11 = 1977326743, which fits int32
-+     * but not 23-bit float mantissa). 
-+     *
-+     * The current solution is dumb, but it works and uses little code. Use of
-+     * integer powers is not anticipated to be very frequent (apart from 2^x,
-+     * which is separately optimized).
-+     */
-+  if (ib==0) *r=0;
-+  else if (ic<0) return 0;  /* FP realm */
-+  else if (ib==2 && ic < (int)sizeof(lua_Integer)*8-1) *r= ((lua_Integer)1)<<ic;   /* 1,2,4,...2^30 | 2^62 optimization */
-+  else if (ic==0) *r=1;
-+  else if (luai_abs(ib)==1) *r= (ic%2) ? ib:1;
-+  else {
-+    lua_Integer x= ib;
-+    while( --ic ) {
-+      if (!try_mulint( &x, x, ib ))
-+        return 0; /* FP realm */
-+    }
-+    *r= x;
-+  }
-+  return 1;
-+}
-+
-+int try_unmint( lua_Integer *r, lua_Integer ib ) {
-+  /* Negating LUA_INTEGER_MIN leaves the range. */
-+  if ( ib != LUA_INTEGER_MIN )  
-+    { *r= -ib; return 1; }
-+  return 0;
-+}
-+
---- /dev/null
-+++ b/src/lnum.h
-@@ -0,0 +1,116 @@
-+/*
-+** $Id: lnum.h,v ... $
-+** Internal Number model
-+** See Copyright Notice in lua.h
-+*/
-+
-+#ifndef lnum_h
-+#define lnum_h
-+
-+#include <math.h>
-+
-+#include "lobject.h"
-+
-+/*
-+** The luai_num* macros define the primitive operations over 'lua_Number's
-+** (not 'lua_Integer's, not 'lua_Complex').
-+*/
-+#define luai_numadd(a,b)	((a)+(b))
-+#define luai_numsub(a,b)	((a)-(b))
-+#define luai_nummul(a,b)	((a)*(b))
-+#define luai_numdiv(a,b)	((a)/(b))
-+#define luai_nummod(a,b)	((a) - _LF(floor)((a)/(b))*(b))
-+#define luai_numpow(a,b)	(_LF(pow)(a,b))
-+#define luai_numunm(a)		(-(a))
-+#define luai_numeq(a,b)	    ((a)==(b))
-+#define luai_numlt(a,b)	    ((a)<(b))
-+#define luai_numle(a,b)	    ((a)<=(b))
-+#define luai_numisnan(a)	(!luai_numeq((a), (a)))
-+
-+int try_addint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_subint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_mulint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_divint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_modint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_powint( lua_Integer *r, lua_Integer ib, lua_Integer ic );
-+int try_unmint( lua_Integer *r, lua_Integer ib );
-+
-+#ifdef LNUM_COMPLEX
-+  static inline lua_Complex luai_vectunm( lua_Complex a ) { return -a; }
-+  static inline lua_Complex luai_vectadd( lua_Complex a, lua_Complex b ) { return a+b; }
-+  static inline lua_Complex luai_vectsub( lua_Complex a, lua_Complex b ) { return a-b; }
-+  static inline lua_Complex luai_vectmul( lua_Complex a, lua_Complex b ) { return a*b; }
-+  static inline lua_Complex luai_vectdiv( lua_Complex a, lua_Complex b ) { return a/b; }
-+
-+/* 
-+ * C99 does not provide modulus for complex numbers. It most likely is not
-+ * meaningful at all.
-+ */
-+
-+/* 
-+ * Complex power
-+ *
-+ * C99 'cpow' gives inaccurate results for many common cases s.a. (1i)^2 -> 
-+ * -1+1.2246467991474e-16i (OS X 10.4, gcc 4.0.1 build 5367)
-+ * 
-+ * [(a+bi)^(c+di)] = (r^c) * exp(-d*t) * cos(c*t + d*ln(r)) +
-+ *                 = (r^c) * exp(-d*t) * sin(c*t + d*ln(r)) *i
-+ * r = sqrt(a^2+b^2), t = arctan( b/a )
-+ * 
-+ * Reference: <http://home.att.net/~srschmitt/complexnumbers.html>
-+ * Could also be calculated using: x^y = exp(ln(x)*y)
-+ *
-+ * Note: Defined here (and not in .c) so 'lmathlib.c' can share the 
-+ *       implementation.
-+ */
-+  static inline
-+  lua_Complex luai_vectpow( lua_Complex a, lua_Complex b )
-+  {
-+# if 1
-+    lua_Number ar= _LF(creal)(a), ai= _LF(cimag)(a);
-+    lua_Number br= _LF(creal)(b), bi= _LF(cimag)(b);
-+    
-+    if (ai==0 && bi==0) {     /* a^c (real) */
-+        return luai_numpow( ar, br );
-+    } 
-+
-+    int br_int= (int)br;
-+    
-+    if ( ai!=0 && bi==0 && br_int==br && br_int!=0 && br_int!=INT_MIN ) { 
-+        /* (a+bi)^N, N = { +-1,+-2, ... +-INT_MAX } 
-+        */
-+        lua_Number k= luai_numpow( _LF(sqrt) (ar*ar + ai*ai), br );
-+        lua_Number cos_z, sin_z;
-+
-+        /* Situation depends upon c (N) in the following manner:
-+         * 
-+         * N%4==0                                => cos(c*t)=1, sin(c*t)=0
-+         * (N*sign(b))%4==1 or (N*sign(b))%4==-3 => cos(c*t)=0, sin(c*t)=1
-+         * N%4==2 or N%4==-2                     => cos(c*t)=-1, sin(c*t)=0
-+         * (N*sign(b))%4==-1 or (N*sign(b))%4==3 => cos(c*t)=0, sin(c*t)=-1
-+         */
-+      int br_int_abs = br_int<0 ? -br_int:br_int;
-+      
-+      switch( (br_int_abs%4) * (br_int<0 ? -1:1) * (ai<0 ? -1:1) ) {
-+        case 0:             cos_z=1, sin_z=0; break;
-+        case 2: case -2:    cos_z=-1, sin_z=0; break;
-+        case 1: case -3:    cos_z=0, sin_z=1; break;
-+        case 3: case -1:    cos_z=0, sin_z=-1; break;
-+        default:            lua_assert(0); return 0;
-+      }
-+      return k*cos_z + (k*sin_z)*I;
-+    }
-+# endif
-+    return _LF(cpow) ( a, b );
-+  }
-+#endif
-+
-+LUAI_FUNC int luaO_str2d (const char *s, lua_Number *res1, lua_Integer *res2);
-+LUAI_FUNC void luaO_num2buf( char *s, const TValue *o );
-+
-+LUAI_FUNC int /*bool*/ tt_integer_valued( const TValue *o, lua_Integer *ref );
-+
-+#define luai_normalize(o) \
-+{ lua_Integer _i; if (tt_integer_valued(o,&_i)) setivalue(o,_i); }
-+
-+#endif
---- /dev/null
-+++ b/src/lnum_config.h
-@@ -0,0 +1,221 @@
-+/*
-+** $Id: lnum_config.h,v ... $
-+** Internal Number model
-+** See Copyright Notice in lua.h
-+*/
-+
-+#ifndef lnum_config_h
-+#define lnum_config_h
-+
-+/*
-+** Default number modes
-+*/
-+#if (!defined LNUM_DOUBLE) && (!defined LNUM_FLOAT) && (!defined LNUM_LDOUBLE)
-+# define LNUM_DOUBLE
-+#endif
-+#if (!defined LNUM_INT16) && (!defined LNUM_INT32) && (!defined LNUM_INT64)
-+# define LNUM_INT32
-+#endif
-+
-+/*
-+** Require C99 mode for COMPLEX, FLOAT and LDOUBLE (only DOUBLE is ANSI C).
-+*/
-+#if defined(LNUM_COMPLEX) && (__STDC_VERSION__ < 199901L)
-+# error "Need C99 for complex (use '--std=c99' or similar)"
-+#elif defined(LNUM_LDOUBLE) && (__STDC_VERSION__ < 199901L) && !defined(_MSC_VER)
-+# error "Need C99 for 'long double' (use '--std=c99' or similar)"
-+#elif defined(LNUM_FLOAT) && (__STDC_VERSION__ < 199901L)
-+/* LNUM_FLOAT not supported on Windows */
-+# error "Need C99 for 'float' (use '--std=c99' or similar)"
-+#endif
-+ 
-+/*
-+** Number mode identifier to accompany the version string.
-+*/
-+#ifdef LNUM_COMPLEX
-+# define _LNUM1 "complex "
-+#else
-+# define _LNUM1 ""
-+#endif
-+#ifdef LNUM_DOUBLE
-+# define _LNUM2 "double"
-+#elif defined(LNUM_FLOAT)
-+# define _LNUM2 "float"
-+#elif defined(LNUM_LDOUBLE)
-+# define _LNUM2 "ldouble"
-+#endif
-+#ifdef LNUM_INT32
-+# define _LNUM3 "int32"
-+#elif defined(LNUM_INT64)
-+# define _LNUM3 "int64"
-+#elif defined(LNUM_INT16)
-+# define _LNUM3 "int16"
-+#endif
-+#define LUA_LNUM _LNUM1 _LNUM2 " " _LNUM3
-+
-+/*
-+** LUA_NUMBER is the type of floating point number in Lua
-+** LUA_NUMBER_SCAN is the format for reading numbers.
-+** LUA_NUMBER_FMT is the format for writing numbers.
-+*/
-+#ifdef LNUM_FLOAT
-+# define LUA_NUMBER         float
-+# define LUA_NUMBER_SCAN    "%f"
-+# define LUA_NUMBER_FMT     "%g"  
-+#elif (defined LNUM_DOUBLE)
-+# define LUA_NUMBER	        double
-+# define LUA_NUMBER_SCAN    "%lf"
-+# define LUA_NUMBER_FMT     "%.14g"
-+#elif (defined LNUM_LDOUBLE)
-+# define LUA_NUMBER         long double
-+# define LUA_NUMBER_SCAN    "%Lg"
-+# define LUA_NUMBER_FMT     "%.20Lg"
-+#endif
-+
-+
-+/* 
-+** LUAI_MAXNUMBER2STR: size of a buffer fitting any number->string result.
-+**
-+**  double:  24 (sign, x.xxxxxxxxxxxxxxe+nnnn, and \0)
-+**  int64:   21 (19 digits, sign, and \0)
-+**  long double: 43 for 128-bit (sign, x.xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxe+nnnn, and \0)
-+**           30 for 80-bit (sign, x.xxxxxxxxxxxxxxxxxxxxe+nnnn, and \0)
-+*/
-+#ifdef LNUM_LDOUBLE
-+# define _LUAI_MN2S 44
-+#else
-+# define _LUAI_MN2S 24
-+#endif
-+
-+#ifdef LNUM_COMPLEX
-+# define LUAI_MAXNUMBER2STR (2*_LUAI_MN2S)
-+#else
-+# define LUAI_MAXNUMBER2STR _LUAI_MN2S
-+#endif
-+
-+/*
-+** LUA_INTEGER is the integer type used by lua_pushinteger/lua_tointeger/lua_isinteger.
-+** LUA_INTEGER_SCAN is the format for reading integers
-+** LUA_INTEGER_FMT is the format for writing integers
-+**
-+** Note: Visual C++ 2005 does not have 'strtoull()', use '_strtoui64()' instead.
-+*/
-+#ifdef LNUM_INT32
-+# if LUAI_BITSINT > 16
-+#  define LUA_INTEGER   int
-+#  define LUA_INTEGER_SCAN "%d"
-+#  define LUA_INTEGER_FMT "%d"
-+# else
-+/* Note: 'LUA_INTEGER' being 'ptrdiff_t' (as in Lua 5.1) causes problems with
-+ *       'printf()' operations. Also 'unsigned ptrdiff_t' is invalid.
-+ */
-+#  define LUA_INTEGER   long
-+#  define LUA_INTEGER_SCAN "%ld"
-+#  define LUA_INTEGER_FMT "%ld"
-+# endif
-+# define LUA_INTEGER_MAX 0x7FFFFFFF             /* 2^31-1 */
-+/* */
-+#elif defined(LNUM_INT64)
-+# define LUA_INTEGER	long long
-+# ifdef _MSC_VER
-+#  define lua_str2ul    _strtoui64
-+# else
-+#  define lua_str2ul    strtoull
-+# endif
-+# define LUA_INTEGER_SCAN "%lld"
-+# define LUA_INTEGER_FMT "%lld"
-+# define LUA_INTEGER_MAX 0x7fffffffffffffffLL       /* 2^63-1 */ 
-+# define LUA_INTEGER_MIN (-LUA_INTEGER_MAX - 1LL)   /* -2^63 */
-+/* */
-+#elif defined(LNUM_INT16)
-+# if LUAI_BITSINT > 16
-+#  define LUA_INTEGER    short
-+#  define LUA_INTEGER_SCAN "%hd"
-+#  define LUA_INTEGER_FMT "%hd"
-+# else
-+#  define LUA_INTEGER    int
-+#  define LUA_INTEGER_SCAN "%d"
-+#  define LUA_INTEGER_FMT "%d"
-+# endif
-+# define LUA_INTEGER_MAX 0x7FFF             /* 2^16-1 */
-+#endif
-+
-+#ifndef lua_str2ul
-+# define lua_str2ul (unsigned LUA_INTEGER)strtoul
-+#endif
-+#ifndef LUA_INTEGER_MIN
-+# define LUA_INTEGER_MIN (-LUA_INTEGER_MAX -1)  /* -2^16|32 */
-+#endif
-+
-+/*
-+@@ lua_number2int is a macro to convert lua_Number to int.
-+@@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
-+** CHANGE them if you know a faster way to convert a lua_Number to
-+** int (with any rounding method and without throwing errors) in your
-+** system. In Pentium machines, a naive typecast from double to int
-+** in C is extremely slow, so any alternative is worth trying.
-+*/
-+
-+/* On a Pentium, resort to a trick */
-+#if defined(LNUM_DOUBLE) && !defined(LUA_ANSI) && !defined(__SSE2__) && \
-+    (defined(__i386) || defined (_M_IX86) || defined(__i386__))
-+
-+/* On a Microsoft compiler, use assembler */
-+# if defined(_MSC_VER)
-+#  define lua_number2int(i,d)   __asm fld d   __asm fistp i
-+# else
-+
-+/* the next trick should work on any Pentium, but sometimes clashes
-+   with a DirectX idiosyncrasy */
-+union luai_Cast { double l_d; long l_l; };
-+#  define lua_number2int(i,d) \
-+  { volatile union luai_Cast u; u.l_d = (d) + 6755399441055744.0; (i) = u.l_l; }
-+# endif
-+
-+# ifndef LNUM_INT64
-+#  define lua_number2integer    lua_number2int
-+# endif
-+
-+/* this option always works, but may be slow */
-+#else
-+# define lua_number2int(i,d)        ((i)=(int)(d))
-+#endif
-+
-+/* Note: Some compilers (OS X gcc 4.0?) may choke on double->long long conversion 
-+ *       since it can lose precision. Others do require 'long long' there.  
-+ */
-+#ifndef lua_number2integer
-+# define lua_number2integer(i,d)    ((i)=(lua_Integer)(d))
-+#endif
-+
-+/*
-+** 'luai_abs()' to give absolute value of 'lua_Integer'
-+*/
-+#ifdef LNUM_INT32
-+# define luai_abs abs
-+#elif defined(LNUM_INT64) && (__STDC_VERSION__ >= 199901L)
-+# define luai_abs llabs
-+#else
-+# define luai_abs(v) ((v) >= 0 ? (v) : -(v))
-+#endif
-+
-+/*
-+** LUAI_UACNUMBER is the result of an 'usual argument conversion' over a number.
-+** LUAI_UACINTEGER the same, over an integer.
-+*/
-+#define LUAI_UACNUMBER	double
-+#define LUAI_UACINTEGER long
-+
-+/* ANSI C only has math funcs for 'double. C99 required for float and long double
-+ * variants.
-+ */
-+#ifdef LNUM_DOUBLE
-+# define _LF(name) name
-+#elif defined(LNUM_FLOAT)
-+# define _LF(name) name ## f
-+#elif defined(LNUM_LDOUBLE)
-+# define _LF(name) name ## l
-+#endif
-+
-+#endif
-+
---- a/src/lobject.c
-+++ b/src/lobject.c
-@@ -21,7 +21,8 @@
- #include "lstate.h"
- #include "lstring.h"
- #include "lvm.h"
--
-+#include "llex.h"
-+#include "lnum.h"
- 
- 
- const TValue luaO_nilobject_ = {{NULL}, LUA_TNIL};
-@@ -70,12 +71,31 @@ int luaO_log2 (unsigned int x) {
- 
- 
- int luaO_rawequalObj (const TValue *t1, const TValue *t2) {
--  if (ttype(t1) != ttype(t2)) return 0;
-+  if (!ttype_ext_same(t1,t2)) return 0;
-   else switch (ttype(t1)) {
-     case LUA_TNIL:
-       return 1;
-+    case LUA_TINT:
-+      if (ttype(t2)==LUA_TINT)
-+        return ivalue(t1) == ivalue(t2);
-+      else {  /* t1:int, t2:num */
-+#ifdef LNUM_COMPLEX
-+        if (nvalue_img_fast(t2) != 0) return 0;
-+#endif
-+        /* Avoid doing accuracy losing cast, if possible. */
-+        lua_Integer tmp;
-+        if (tt_integer_valued(t2,&tmp)) 
-+          return ivalue(t1) == tmp;
-+        else
-+          return luai_numeq( cast_num(ivalue(t1)), nvalue_fast(t2) );
-+        }
-     case LUA_TNUMBER:
--      return luai_numeq(nvalue(t1), nvalue(t2));
-+        if (ttype(t2)==LUA_TINT)
-+          return luaO_rawequalObj(t2, t1);  /* swap LUA_TINT to left */
-+#ifdef LNUM_COMPLEX
-+        if (!luai_numeq(nvalue_img_fast(t1), nvalue_img_fast(t2))) return 0;
-+#endif
-+        return luai_numeq(nvalue_fast(t1), nvalue_fast(t2));
-     case LUA_TBOOLEAN:
-       return bvalue(t1) == bvalue(t2);  /* boolean true must be 1 !! */
-     case LUA_TLIGHTUSERDATA:
-@@ -86,21 +106,6 @@ int luaO_rawequalObj (const TValue *t1, 
-   }
- }
- 
--
--int luaO_str2d (const char *s, lua_Number *result) {
--  char *endptr;
--  *result = lua_str2number(s, &endptr);
--  if (endptr == s) return 0;  /* conversion failed */
--  if (*endptr == 'x' || *endptr == 'X')  /* maybe an hexadecimal constant? */
--    *result = cast_num(strtoul(s, &endptr, 16));
--  if (*endptr == '\0') return 1;  /* most common case */
--  while (isspace(cast(unsigned char, *endptr))) endptr++;
--  if (*endptr != '\0') return 0;  /* invalid trailing characters? */
--  return 1;
--}
--
--
--
- static void pushstr (lua_State *L, const char *str) {
-   setsvalue2s(L, L->top, luaS_new(L, str));
-   incr_top(L);
-@@ -131,7 +136,11 @@ const char *luaO_pushvfstring (lua_State
-         break;
-       }
-       case 'd': {
--        setnvalue(L->top, cast_num(va_arg(argp, int)));
-+        /* This is tricky for 64-bit integers; maybe they even cannot be
-+         * supported on all compilers; depends on the conversions applied to
-+         * variable argument lists. TBD: test!
-+         */
-+        setivalue(L->top, (lua_Integer) va_arg(argp, l_uacInteger));
-         incr_top(L);
-         break;
-       }
-@@ -212,3 +221,4 @@ void luaO_chunkid (char *out, const char
-     }
-   }
- }
-+
---- a/src/lobject.h
-+++ b/src/lobject.h
-@@ -17,7 +17,11 @@
- 
- 
- /* tags for values visible from Lua */
--#define LAST_TAG	LUA_TTHREAD
-+#if LUA_TINT > LUA_TTHREAD
-+# define LAST_TAG   LUA_TINT
-+#else
-+# define LAST_TAG	LUA_TTHREAD
-+#endif
- 
- #define NUM_TAGS	(LAST_TAG+1)
- 
-@@ -59,7 +63,12 @@ typedef struct GCheader {
- typedef union {
-   GCObject *gc;
-   void *p;
-+#ifdef LNUM_COMPLEX
-+  lua_Complex n;
-+#else
-   lua_Number n;
-+#endif
-+  lua_Integer i;
-   int b;
- } Value;
- 
-@@ -77,7 +86,11 @@ typedef struct lua_TValue {
- 
- /* Macros to test type */
- #define ttisnil(o)	(ttype(o) == LUA_TNIL)
--#define ttisnumber(o)	(ttype(o) == LUA_TNUMBER)
-+#define ttisint(o) (ttype(o) == LUA_TINT)
-+#define ttisnumber(o) ((ttype(o) == LUA_TINT) || (ttype(o) == LUA_TNUMBER))
-+#ifdef LNUM_COMPLEX
-+# define ttiscomplex(o) ((ttype(o) == LUA_TNUMBER) && (nvalue_img_fast(o)!=0))
-+#endif
- #define ttisstring(o)	(ttype(o) == LUA_TSTRING)
- #define ttistable(o)	(ttype(o) == LUA_TTABLE)
- #define ttisfunction(o)	(ttype(o) == LUA_TFUNCTION)
-@@ -90,7 +103,25 @@ typedef struct lua_TValue {
- #define ttype(o)	((o)->tt)
- #define gcvalue(o)	check_exp(iscollectable(o), (o)->value.gc)
- #define pvalue(o)	check_exp(ttislightuserdata(o), (o)->value.p)
--#define nvalue(o)	check_exp(ttisnumber(o), (o)->value.n)
-+
-+#define ttype_ext(o) ( ttype(o) == LUA_TINT ? LUA_TNUMBER : ttype(o) )
-+#define ttype_ext_same(o1,o2) ( (ttype(o1)==ttype(o2)) || (ttisnumber(o1) && ttisnumber(o2)) )
-+
-+/* '_fast' variants are for cases where 'ttype(o)' is known to be LUA_TNUMBER.
-+ */
-+#ifdef LNUM_COMPLEX
-+#  define nvalue_complex_fast(o) check_exp( ttype(o)==LUA_TNUMBER, (o)->value.n )   
-+#  define nvalue_fast(o)     ( _LF(creal) ( nvalue_complex_fast(o) ) )
-+#  define nvalue_img_fast(o) ( _LF(cimag) ( nvalue_complex_fast(o) ) )
-+#  define nvalue_complex(o) check_exp( ttisnumber(o), (ttype(o)==LUA_TINT) ? (o)->value.i : (o)->value.n )
-+#  define nvalue_img(o) check_exp( ttisnumber(o), (ttype(o)==LUA_TINT) ? 0 : _LF(cimag)( (o)->value.n ) ) 
-+#  define nvalue(o) check_exp( ttisnumber(o), (ttype(o)==LUA_TINT) ? cast_num((o)->value.i) : _LF(creal)((o)->value.n) ) 
-+#else
-+# define nvalue(o)	check_exp( ttisnumber(o), (ttype(o)==LUA_TINT) ? cast_num((o)->value.i) : (o)->value.n )
-+# define nvalue_fast(o) check_exp( ttype(o)==LUA_TNUMBER, (o)->value.n )   
-+#endif
-+#define ivalue(o)	check_exp( ttype(o)==LUA_TINT, (o)->value.i )
-+
- #define rawtsvalue(o)	check_exp(ttisstring(o), &(o)->value.gc->ts)
- #define tsvalue(o)	(&rawtsvalue(o)->tsv)
- #define rawuvalue(o)	check_exp(ttisuserdata(o), &(o)->value.gc->u)
-@@ -116,8 +147,27 @@ typedef struct lua_TValue {
- /* Macros to set values */
- #define setnilvalue(obj) ((obj)->tt=LUA_TNIL)
- 
--#define setnvalue(obj,x) \
--  { TValue *i_o=(obj); i_o->value.n=(x); i_o->tt=LUA_TNUMBER; }
-+/* Must not have side effects, 'x' may be expression.
-+*/
-+#define setivalue(obj,x) \
-+    { TValue *i_o=(obj); i_o->value.i=(x); i_o->tt=LUA_TINT; }
-+
-+# define setnvalue(obj,x) \
-+    { TValue *i_o=(obj); i_o->value.n= (x); i_o->tt=LUA_TNUMBER; }
-+
-+/* Note: Complex always has "inline", both are C99.
-+*/
-+#ifdef LNUM_COMPLEX
-+  static inline void setnvalue_complex_fast( TValue *obj, lua_Complex x ) {
-+    lua_assert( _LF(cimag)(x) != 0 );
-+    obj->value.n= x; obj->tt= LUA_TNUMBER;
-+  }
-+  static inline void setnvalue_complex( TValue *obj, lua_Complex x ) {
-+    if (_LF(cimag)(x) == 0) { setnvalue(obj, _LF(creal)(x)); }
-+    else { obj->value.n= x; obj->tt= LUA_TNUMBER; }
-+  }
-+#endif
-+
- 
- #define setpvalue(obj,x) \
-   { TValue *i_o=(obj); i_o->value.p=(x); i_o->tt=LUA_TLIGHTUSERDATA; }
-@@ -155,9 +205,6 @@ typedef struct lua_TValue {
-     i_o->value.gc=cast(GCObject *, (x)); i_o->tt=LUA_TPROTO; \
-     checkliveness(G(L),i_o); }
- 
--
--
--
- #define setobj(L,obj1,obj2) \
-   { const TValue *o2=(obj2); TValue *o1=(obj1); \
-     o1->value = o2->value; o1->tt=o2->tt; \
-@@ -185,8 +232,11 @@ typedef struct lua_TValue {
- 
- #define setttype(obj, tt) (ttype(obj) = (tt))
- 
--
--#define iscollectable(o)	(ttype(o) >= LUA_TSTRING)
-+#if LUA_TINT >= LUA_TSTRING
-+# define iscollectable(o)	((ttype(o) >= LUA_TSTRING) && (ttype(o) != LUA_TINT))
-+#else
-+# define iscollectable(o)	(ttype(o) >= LUA_TSTRING)
-+#endif
- 
- 
- 
-@@ -370,12 +420,10 @@ LUAI_FUNC int luaO_log2 (unsigned int x)
- LUAI_FUNC int luaO_int2fb (unsigned int x);
- LUAI_FUNC int luaO_fb2int (int x);
- LUAI_FUNC int luaO_rawequalObj (const TValue *t1, const TValue *t2);
--LUAI_FUNC int luaO_str2d (const char *s, lua_Number *result);
- LUAI_FUNC const char *luaO_pushvfstring (lua_State *L, const char *fmt,
-                                                        va_list argp);
- LUAI_FUNC const char *luaO_pushfstring (lua_State *L, const char *fmt, ...);
- LUAI_FUNC void luaO_chunkid (char *out, const char *source, size_t len);
- 
--
- #endif
- 
---- a/src/loslib.c
-+++ b/src/loslib.c
-@@ -186,15 +186,30 @@ static int os_time (lua_State *L) {
-   }
-   if (t == (time_t)(-1))
-     lua_pushnil(L);
--  else
--    lua_pushnumber(L, (lua_Number)t);
-+  else {
-+     /* On float systems the pushed value must be an integer, NOT a number.
-+      * Otherwise, accuracy is lost in the time_t->float conversion.
-+      */
-+#ifdef LNUM_FLOAT
-+     lua_pushinteger(L, (lua_Integer) t);
-+#else
-+     lua_pushnumber(L, (lua_Number) t);
-+#endif
-+     }
-   return 1;
- }
- 
- 
- static int os_difftime (lua_State *L) {
-+#ifdef LNUM_FLOAT
-+  lua_Integer i= (lua_Integer)
-+    difftime( (time_t)(luaL_checkinteger(L, 1)),
-+              (time_t)(luaL_optinteger(L, 2, 0)));
-+  lua_pushinteger(L, i);
-+#else
-   lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)),
-                              (time_t)(luaL_optnumber(L, 2, 0))));
-+#endif
-   return 1;
- }
- 
---- a/src/lparser.c
-+++ b/src/lparser.c
-@@ -33,7 +33,6 @@
- 
- #define luaY_checklimit(fs,v,l,m)	if ((v)>(l)) errorlimit(fs,l,m)
- 
--
- /*
- ** nodes for block list (list of active blocks)
- */
-@@ -72,7 +71,7 @@ static void errorlimit (FuncState *fs, i
-   const char *msg = (fs->f->linedefined == 0) ?
-     luaO_pushfstring(fs->L, "main function has more than %d %s", limit, what) :
-     luaO_pushfstring(fs->L, "function at line %d has more than %d %s",
--                            fs->f->linedefined, limit, what);
-+                            (fs->f->linedefined), limit, what);
-   luaX_lexerror(fs->ls, msg, 0);
- }
- 
-@@ -733,6 +732,18 @@ static void simpleexp (LexState *ls, exp
-       v->u.nval = ls->t.seminfo.r;
-       break;
-     }
-+    case TK_INT: {
-+      init_exp(v, VKINT, 0);
-+      v->u.ival = ls->t.seminfo.i;
-+      break;
-+    }
-+#ifdef LNUM_COMPLEX
-+    case TK_NUMBER2: {
-+      init_exp(v, VKNUM2, 0);
-+      v->u.nval = ls->t.seminfo.r;
-+      break;
-+    }
-+#endif
-     case TK_STRING: {
-       codestring(ls, v, ls->t.seminfo.ts);
-       break;
-@@ -1079,7 +1090,7 @@ static void fornum (LexState *ls, TStrin
-   if (testnext(ls, ','))
-     exp1(ls);  /* optional step */
-   else {  /* default step = 1 */
--    luaK_codeABx(fs, OP_LOADK, fs->freereg, luaK_numberK(fs, 1));
-+    luaK_codeABx(fs, OP_LOADK, fs->freereg, luaK_integerK(fs, 1));
-     luaK_reserveregs(fs, 1);
-   }
-   forbody(ls, base, line, 1, 1);
---- a/src/lparser.h
-+++ b/src/lparser.h
-@@ -31,7 +31,11 @@ typedef enum {
-   VRELOCABLE,	/* info = instruction pc */
-   VNONRELOC,	/* info = result register */
-   VCALL,	/* info = instruction pc */
--  VVARARG	/* info = instruction pc */
-+  VVARARG,	/* info = instruction pc */
-+  VKINT     /* ival = integer value */
-+#ifdef LNUM_COMPLEX
-+  ,VKNUM2   /* nval = imaginary value */
-+#endif
- } expkind;
- 
- typedef struct expdesc {
-@@ -39,6 +43,7 @@ typedef struct expdesc {
-   union {
-     struct { int info, aux; } s;
-     lua_Number nval;
-+    lua_Integer ival;
-   } u;
-   int t;  /* patch list of `exit when true' */
-   int f;  /* patch list of `exit when false' */
---- a/src/lstrlib.c
-+++ b/src/lstrlib.c
-@@ -43,8 +43,8 @@ static ptrdiff_t posrelat (ptrdiff_t pos
- static int str_sub (lua_State *L) {
-   size_t l;
-   const char *s = luaL_checklstring(L, 1, &l);
--  ptrdiff_t start = posrelat(luaL_checkinteger(L, 2), l);
--  ptrdiff_t end = posrelat(luaL_optinteger(L, 3, -1), l);
-+  ptrdiff_t start = posrelat(luaL_checkint32(L, 2), l);
-+  ptrdiff_t end = posrelat(luaL_optint32(L, 3, -1), l);
-   if (start < 1) start = 1;
-   if (end > (ptrdiff_t)l) end = (ptrdiff_t)l;
-   if (start <= end)
-@@ -106,8 +106,8 @@ static int str_rep (lua_State *L) {
- static int str_byte (lua_State *L) {
-   size_t l;
-   const char *s = luaL_checklstring(L, 1, &l);
--  ptrdiff_t posi = posrelat(luaL_optinteger(L, 2, 1), l);
--  ptrdiff_t pose = posrelat(luaL_optinteger(L, 3, posi), l);
-+  ptrdiff_t posi = posrelat(luaL_optint32(L, 2, 1), l);
-+  ptrdiff_t pose = posrelat(luaL_optint32(L, 3, posi), l);
-   int n, i;
-   if (posi <= 0) posi = 1;
-   if ((size_t)pose > l) pose = l;
-@@ -496,7 +496,7 @@ static int str_find_aux (lua_State *L, i
-   size_t l1, l2;
-   const char *s = luaL_checklstring(L, 1, &l1);
-   const char *p = luaL_checklstring(L, 2, &l2);
--  ptrdiff_t init = posrelat(luaL_optinteger(L, 3, 1), l1) - 1;
-+  ptrdiff_t init = posrelat(luaL_optint32(L, 3, 1), l1) - 1;
-   if (init < 0) init = 0;
-   else if ((size_t)(init) > l1) init = (ptrdiff_t)l1;
-   if (find && (lua_toboolean(L, 4) ||  /* explicit request? */
-@@ -690,7 +690,7 @@ static int str_gsub (lua_State *L) {
- ** maximum size of each format specification (such as '%-099.99d')
- ** (+10 accounts for %99.99x plus margin of error)
- */
--#define MAX_FORMAT	(sizeof(FLAGS) + sizeof(LUA_INTFRMLEN) + 10)
-+#define MAX_FORMAT	(sizeof(FLAGS) + sizeof(LUA_INTEGER_FMT)-2 + 10)
- 
- 
- static void addquoted (lua_State *L, luaL_Buffer *b, int arg) {
-@@ -747,9 +747,9 @@ static const char *scanformat (lua_State
- static void addintlen (char *form) {
-   size_t l = strlen(form);
-   char spec = form[l - 1];
--  strcpy(form + l - 1, LUA_INTFRMLEN);
--  form[l + sizeof(LUA_INTFRMLEN) - 2] = spec;
--  form[l + sizeof(LUA_INTFRMLEN) - 1] = '\0';
-+  const char *tmp= LUA_INTEGER_FMT;   /* "%lld" or "%ld" */
-+  strcpy(form + l - 1, tmp+1);
-+  form[l + sizeof(LUA_INTEGER_FMT)-4] = spec;
- }
- 
- 
-@@ -777,12 +777,12 @@ static int str_format (lua_State *L) {
-         }
-         case 'd':  case 'i': {
-           addintlen(form);
--          sprintf(buff, form, (LUA_INTFRM_T)luaL_checknumber(L, arg));
-+          sprintf(buff, form, luaL_checkinteger(L, arg));
-           break;
-         }
-         case 'o':  case 'u':  case 'x':  case 'X': {
-           addintlen(form);
--          sprintf(buff, form, (unsigned LUA_INTFRM_T)luaL_checknumber(L, arg));
-+          sprintf(buff, form, (unsigned LUA_INTEGER)luaL_checkinteger(L, arg));
-           break;
-         }
-         case 'e':  case 'E': case 'f':
---- a/src/ltable.c
-+++ b/src/ltable.c
-@@ -33,6 +33,7 @@
- #include "lobject.h"
- #include "lstate.h"
- #include "ltable.h"
-+#include "lnum.h"
- 
- 
- /*
-@@ -51,25 +52,15 @@
-   
- #define hashstr(t,str)  hashpow2(t, (str)->tsv.hash)
- #define hashboolean(t,p)        hashpow2(t, p)
--
-+#define hashint(t,i)    hashpow2(t,i)
- 
- /*
- ** for some types, it is better to avoid modulus by power of 2, as
- ** they tend to have many 2 factors.
- */
- #define hashmod(t,n)	(gnode(t, ((n) % ((sizenode(t)-1)|1))))
--
--
- #define hashpointer(t,p)	hashmod(t, IntPoint(p))
- 
--
--/*
--** number of ints inside a lua_Number
--*/
--#define numints		cast_int(sizeof(lua_Number)/sizeof(int))
--
--
--
- #define dummynode		(&dummynode_)
- 
- static const Node dummynode_ = {
-@@ -80,27 +71,46 @@ static const Node dummynode_ = {
- 
- /*
- ** hash for lua_Numbers
-+**
-+** for non-complex modes, never called with 'lua_Integer' value range (s.a. 0)
- */
- static Node *hashnum (const Table *t, lua_Number n) {
--  unsigned int a[numints];
--  int i;
--  if (luai_numeq(n, 0))  /* avoid problems with -0 */
--    return gnode(t, 0);
--  memcpy(a, &n, sizeof(a));
--  for (i = 1; i < numints; i++) a[0] += a[i];
--  return hashmod(t, a[0]);
-+  const unsigned int *p= cast(const unsigned int *,&n);
-+  unsigned int sum= *p;
-+  unsigned int m= sizeof(lua_Number)/sizeof(int);
-+  unsigned int i;
-+  /* OS X Intel has 'm'==4 and gives "Bus error" if the last integer of 
-+   * 'n' is read; the actual size of long double is only 80 bits = 10 bytes.
-+   * Linux x86 has 'm'==3, and does not require reduction.
-+   */
-+#if defined(LNUM_LDOUBLE) && defined(__i386__)
-+  if (m>3) m--;
-+#endif
-+  for (i = 1; i < m; i++) sum += p[i];
-+  return hashmod(t, sum);
- }
- 
- 
--
- /*
- ** returns the `main' position of an element in a table (that is, the index
- ** of its hash value)
-+**
-+** Floating point numbers with integer value give the hash position of the
-+** integer (so they use the same table position).
- */
- static Node *mainposition (const Table *t, const TValue *key) {
-+  lua_Integer i;
-   switch (ttype(key)) {
-     case LUA_TNUMBER:
--      return hashnum(t, nvalue(key));
-+      if (tt_integer_valued(key,&i)) 
-+        return hashint(t, i);
-+#ifdef LNUM_COMPLEX
-+      if (nvalue_img_fast(key)!=0 && luai_numeq(nvalue_fast(key),0))
-+        return gnode(t, 0);  /* 0 and -0 to give same hash */
-+#endif
-+      return hashnum(t, nvalue_fast(key));
-+    case LUA_TINT:
-+      return hashint(t, ivalue(key));
-     case LUA_TSTRING:
-       return hashstr(t, rawtsvalue(key));
-     case LUA_TBOOLEAN:
-@@ -116,16 +126,20 @@ static Node *mainposition (const Table *
- /*
- ** returns the index for `key' if `key' is an appropriate key to live in
- ** the array part of the table, -1 otherwise.
-+**
-+** Anything <=0 is taken as not being in the array part.
- */
--static int arrayindex (const TValue *key) {
--  if (ttisnumber(key)) {
--    lua_Number n = nvalue(key);
--    int k;
--    lua_number2int(k, n);
--    if (luai_numeq(cast_num(k), n))
--      return k;
-+static int arrayindex (const TValue *key, int max) {
-+  lua_Integer k;
-+  switch( ttype(key) ) {
-+    case LUA_TINT:
-+      k= ivalue(key); break;
-+    case LUA_TNUMBER:
-+      if (tt_integer_valued(key,&k)) break;
-+    default:
-+      return -1;  /* not to be used as array index */
-   }
--  return -1;  /* `key' did not match some condition */
-+  return ((k>0) && (k <= max)) ? cast_int(k) : -1;
- }
- 
- 
-@@ -137,8 +151,8 @@ static int arrayindex (const TValue *key
- static int findindex (lua_State *L, Table *t, StkId key) {
-   int i;
-   if (ttisnil(key)) return -1;  /* first iteration */
--  i = arrayindex(key);
--  if (0 < i && i <= t->sizearray)  /* is `key' inside array part? */
-+  i = arrayindex(key, t->sizearray);
-+  if (i>0)  /* inside array part? */
-     return i-1;  /* yes; that's the index (corrected to C) */
-   else {
-     Node *n = mainposition(t, key);
-@@ -163,7 +177,7 @@ int luaH_next (lua_State *L, Table *t, S
-   int i = findindex(L, t, key);  /* find original element */
-   for (i++; i < t->sizearray; i++) {  /* try first array part */
-     if (!ttisnil(&t->array[i])) {  /* a non-nil value? */
--      setnvalue(key, cast_num(i+1));
-+      setivalue(key, i+1);
-       setobj2s(L, key+1, &t->array[i]);
-       return 1;
-     }
-@@ -209,8 +223,8 @@ static int computesizes (int nums[], int
- 
- 
- static int countint (const TValue *key, int *nums) {
--  int k = arrayindex(key);
--  if (0 < k && k <= MAXASIZE) {  /* is `key' an appropriate array index? */
-+  int k = arrayindex(key,MAXASIZE);
-+  if (k>0) {  /* appropriate array index? */
-     nums[ceillog2(k)]++;  /* count as such */
-     return 1;
-   }
-@@ -308,7 +322,7 @@ static void resize (lua_State *L, Table 
-     /* re-insert elements from vanishing slice */
-     for (i=nasize; i<oldasize; i++) {
-       if (!ttisnil(&t->array[i]))
--        setobjt2t(L, luaH_setnum(L, t, i+1), &t->array[i]);
-+        setobjt2t(L, luaH_setint(L, t, i+1), &t->array[i]);
-     }
-     /* shrink array */
-     luaM_reallocvector(L, t->array, oldasize, nasize, TValue);
-@@ -409,7 +423,9 @@ static TValue *newkey (lua_State *L, Tab
-     othern = mainposition(t, key2tval(mp));
-     if (othern != mp) {  /* is colliding node out of its main position? */
-       /* yes; move colliding node into free position */
--      while (gnext(othern) != mp) othern = gnext(othern);  /* find previous */
-+      while (gnext(othern) != mp) {
-+        othern = gnext(othern);  /* find previous */
-+      }
-       gnext(othern) = n;  /* redo the chain with `n' in place of `mp' */
-       *n = *mp;  /* copy colliding node into free pos. (mp->next also goes) */
-       gnext(mp) = NULL;  /* now `mp' is free */
-@@ -432,17 +448,18 @@ static TValue *newkey (lua_State *L, Tab
- /*
- ** search function for integers
- */
--const TValue *luaH_getnum (Table *t, int key) {
-+const TValue *luaH_getint (Table *t, lua_Integer key) {
-   /* (1 <= key && key <= t->sizearray) */
-   if (cast(unsigned int, key-1) < cast(unsigned int, t->sizearray))
-     return &t->array[key-1];
-   else {
--    lua_Number nk = cast_num(key);
--    Node *n = hashnum(t, nk);
-+    Node *n = hashint(t, key);
-     do {  /* check whether `key' is somewhere in the chain */
--      if (ttisnumber(gkey(n)) && luai_numeq(nvalue(gkey(n)), nk))
-+      if (ttisint(gkey(n)) && (ivalue(gkey(n)) == key)) {
-         return gval(n);  /* that's it */
--      else n = gnext(n);
-+      } else { 
-+      n = gnext(n);
-+    }
-     } while (n);
-     return luaO_nilobject;
-   }
-@@ -470,14 +487,12 @@ const TValue *luaH_get (Table *t, const 
-   switch (ttype(key)) {
-     case LUA_TNIL: return luaO_nilobject;
-     case LUA_TSTRING: return luaH_getstr(t, rawtsvalue(key));
-+    case LUA_TINT: return luaH_getint(t, ivalue(key));
-     case LUA_TNUMBER: {
--      int k;
--      lua_Number n = nvalue(key);
--      lua_number2int(k, n);
--      if (luai_numeq(cast_num(k), nvalue(key))) /* index is int? */
--        return luaH_getnum(t, k);  /* use specialized version */
--      /* else go through */
--    }
-+      lua_Integer i;
-+      if (tt_integer_valued(key,&i))
-+        return luaH_getint(t,i);
-+    } /* pass through */
-     default: {
-       Node *n = mainposition(t, key);
-       do {  /* check whether `key' is somewhere in the chain */
-@@ -498,20 +513,25 @@ TValue *luaH_set (lua_State *L, Table *t
-     return cast(TValue *, p);
-   else {
-     if (ttisnil(key)) luaG_runerror(L, "table index is nil");
--    else if (ttisnumber(key) && luai_numisnan(nvalue(key)))
--      luaG_runerror(L, "table index is NaN");
-+    else if (ttype(key)==LUA_TNUMBER) {
-+      lua_Integer k;
-+      if (luai_numisnan(nvalue_fast(key)))
-+        luaG_runerror(L, "table index is NaN");
-+      if (tt_integer_valued(key,&k))
-+        return luaH_setint(L, t, k);
-+    }
-     return newkey(L, t, key);
-   }
- }
- 
- 
--TValue *luaH_setnum (lua_State *L, Table *t, int key) {
--  const TValue *p = luaH_getnum(t, key);
-+TValue *luaH_setint (lua_State *L, Table *t, lua_Integer key) {
-+  const TValue *p = luaH_getint(t, key);
-   if (p != luaO_nilobject)
-     return cast(TValue *, p);
-   else {
-     TValue k;
--    setnvalue(&k, cast_num(key));
-+    setivalue(&k, key);
-     return newkey(L, t, &k);
-   }
- }
-@@ -533,20 +553,21 @@ static int unbound_search (Table *t, uns
-   unsigned int i = j;  /* i is zero or a present index */
-   j++;
-   /* find `i' and `j' such that i is present and j is not */
--  while (!ttisnil(luaH_getnum(t, j))) {
-+  while (!ttisnil(luaH_getint(t, j))) {
-     i = j;
-     j *= 2;
-     if (j > cast(unsigned int, MAX_INT)) {  /* overflow? */
-       /* table was built with bad purposes: resort to linear search */
--      i = 1;
--      while (!ttisnil(luaH_getnum(t, i))) i++;
--      return i - 1;
-+      for( i = 1; i<MAX_INT+1; i++ ) {
-+        if (ttisnil(luaH_getint(t, i))) break;
-+      }
-+      return i - 1;  /* up to MAX_INT */
-     }
-   }
-   /* now do a binary search between them */
-   while (j - i > 1) {
-     unsigned int m = (i+j)/2;
--    if (ttisnil(luaH_getnum(t, m))) j = m;
-+    if (ttisnil(luaH_getint(t, m))) j = m;
-     else i = m;
-   }
-   return i;
---- a/src/ltable.h
-+++ b/src/ltable.h
-@@ -18,8 +18,8 @@
- #define key2tval(n)	(&(n)->i_key.tvk)
- 
- 
--LUAI_FUNC const TValue *luaH_getnum (Table *t, int key);
--LUAI_FUNC TValue *luaH_setnum (lua_State *L, Table *t, int key);
-+LUAI_FUNC const TValue *luaH_getint (Table *t, lua_Integer key);
-+LUAI_FUNC TValue *luaH_setint (lua_State *L, Table *t, lua_Integer key);
- LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key);
- LUAI_FUNC TValue *luaH_setstr (lua_State *L, Table *t, TString *key);
- LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key);
---- a/src/ltm.c
-+++ b/src/ltm.c
-@@ -19,7 +19,6 @@
- #include "ltm.h"
- 
- 
--
- const char *const luaT_typenames[] = {
-   "nil", "boolean", "userdata", "number",
-   "string", "table", "function", "userdata", "thread",
-@@ -67,6 +66,9 @@ const TValue *luaT_gettmbyobj (lua_State
-     case LUA_TUSERDATA:
-       mt = uvalue(o)->metatable;
-       break;
-+    case LUA_TINT:
-+      mt = G(L)->mt[LUA_TNUMBER];
-+      break;
-     default:
-       mt = G(L)->mt[ttype(o)];
-   }
---- a/src/lua.c
-+++ b/src/lua.c
-@@ -16,7 +16,7 @@
- 
- #include "lauxlib.h"
- #include "lualib.h"
--
-+#include "llimits.h"
- 
- 
- static lua_State *globalL = NULL;
-@@ -382,6 +382,15 @@ int main (int argc, char **argv) {
-     l_message(argv[0], "cannot create state: not enough memory");
-     return EXIT_FAILURE;
-   }
-+  /* Checking 'sizeof(lua_Integer)' cannot be made in preprocessor on all compilers.
-+  */
-+#ifdef LNUM_INT16
-+  lua_assert( sizeof(lua_Integer) == 2 );
-+#elif defined(LNUM_INT32)
-+  lua_assert( sizeof(lua_Integer) == 4 );
-+#elif defined(LNUM_INT64)
-+  lua_assert( sizeof(lua_Integer) == 8 );
-+#endif
-   s.argc = argc;
-   s.argv = argv;
-   status = lua_cpcall(L, &pmain, &s);
---- a/src/lua.h
-+++ b/src/lua.h
-@@ -19,7 +19,7 @@
- #define LUA_VERSION	"Lua 5.1"
- #define LUA_RELEASE	"Lua 5.1.4"
- #define LUA_VERSION_NUM	501
--#define LUA_COPYRIGHT	"Copyright (C) 1994-2008 Lua.org, PUC-Rio"
-+#define LUA_COPYRIGHT	"Copyright (C) 1994-2008 Lua.org, PUC-Rio" " (" LUA_LNUM ")"
- #define LUA_AUTHORS 	"R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
- 
- 
-@@ -71,6 +71,16 @@ typedef void * (*lua_Alloc) (void *ud, v
- */
- #define LUA_TNONE		(-1)
- 
-+/* LUA_TINT is an internal type, not visible to applications. There are three
-+ * potential values where it can be tweaked to (code autoadjusts to these):
-+ *
-+ * -2: not 'usual' type value; good since 'LUA_TINT' is not part of the API
-+ * LUA_TNUMBER+1: shifts other type values upwards, breaking binary compatibility
-+ *     not acceptable for 5.1, maybe 5.2 onwards?
-+ *  9: greater than existing (5.1) type values.
-+*/
-+#define LUA_TINT (-2)
-+
- #define LUA_TNIL		0
- #define LUA_TBOOLEAN		1
- #define LUA_TLIGHTUSERDATA	2
-@@ -139,6 +149,8 @@ LUA_API int             (lua_isuserdata)
- LUA_API int             (lua_type) (lua_State *L, int idx);
- LUA_API const char     *(lua_typename) (lua_State *L, int tp);
- 
-+LUA_API int             (lua_isinteger) (lua_State *L, int idx);
-+
- LUA_API int            (lua_equal) (lua_State *L, int idx1, int idx2);
- LUA_API int            (lua_rawequal) (lua_State *L, int idx1, int idx2);
- LUA_API int            (lua_lessthan) (lua_State *L, int idx1, int idx2);
-@@ -244,6 +256,19 @@ LUA_API lua_Alloc (lua_getallocf) (lua_S
- LUA_API void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);
- 
- 
-+/*
-+* It is unnecessary to break Lua C API 'lua_tonumber()' compatibility, just
-+* because the Lua number type is complex. Most C modules would use scalars
-+* only. We'll introduce new 'lua_tocomplex' and 'lua_pushcomplex' for when
-+* the module really wants to use them.
-+*/
-+#ifdef LNUM_COMPLEX
-+  #include <complex.h>
-+  typedef LUA_NUMBER complex lua_Complex;
-+  LUA_API lua_Complex (lua_tocomplex) (lua_State *L, int idx);
-+  LUA_API void (lua_pushcomplex) (lua_State *L, lua_Complex v);
-+#endif
-+
- 
- /* 
- ** ===============================================================
-@@ -268,7 +293,12 @@ LUA_API void lua_setallocf (lua_State *L
- #define lua_isboolean(L,n)	(lua_type(L, (n)) == LUA_TBOOLEAN)
- #define lua_isthread(L,n)	(lua_type(L, (n)) == LUA_TTHREAD)
- #define lua_isnone(L,n)		(lua_type(L, (n)) == LUA_TNONE)
--#define lua_isnoneornil(L, n)	(lua_type(L, (n)) <= 0)
-+
-+#if LUA_TINT < 0
-+# define lua_isnoneornil(L, n)	( (lua_type(L,(n)) <= 0) && (lua_type(L,(n)) != LUA_TINT) )
-+#else
-+# define lua_isnoneornil(L, n)	(lua_type(L, (n)) <= 0)
-+#endif
- 
- #define lua_pushliteral(L, s)	\
- 	lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)
-@@ -386,3 +416,4 @@ struct lua_Debug {
- 
- 
- #endif
-+
---- a/src/luaconf.h
-+++ b/src/luaconf.h
-@@ -10,7 +10,9 @@
- 
- #include <limits.h>
- #include <stddef.h>
--
-+#ifdef lua_assert
-+# include <assert.h>
-+#endif
- 
- /*
- ** ==================================================================
-@@ -136,14 +138,38 @@
- 
- 
- /*
--@@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger.
--** CHANGE that if ptrdiff_t is not adequate on your machine. (On most
--** machines, ptrdiff_t gives a good choice between int or long.)
-+@@ LUAI_BITSINT defines the number of bits in an int.
-+** CHANGE here if Lua cannot automatically detect the number of bits of
-+** your machine. Probably you do not need to change this.
- */
--#define LUA_INTEGER	ptrdiff_t
-+/* avoid overflows in comparison */
-+#if INT_MAX-20 < 32760
-+#define LUAI_BITSINT	16
-+#elif INT_MAX > 2147483640L
-+/* int has at least 32 bits */
-+#define LUAI_BITSINT	32
-+#else
-+#error "you must define LUA_BITSINT with number of bits in an integer"
-+#endif
- 
- 
- /*
-+@@ LNUM_DOUBLE | LNUM_FLOAT | LNUM_LDOUBLE: Generic Lua number mode
-+@@ LNUM_INT32 | LNUM_INT64: Integer type
-+@@ LNUM_COMPLEX: Define for using 'a+bi' numbers
-+@@
-+@@ You can combine LNUM_xxx but only one of each group. I.e. '-DLNUM_FLOAT
-+@@ -DLNUM_INT32 -DLNUM_COMPLEX' gives float range complex numbers, with 
-+@@ 32-bit scalar integer range optimized.
-+**
-+** These are kept in a separate configuration file mainly for ease of patching
-+** (can be changed if integerated to Lua proper).
-+*/
-+/*#define LNUM_DOUBLE*/
-+/*#define LNUM_INT32*/
-+#include "lnum_config.h"
-+
-+/*
- @@ LUA_API is a mark for all core API functions.
- @@ LUALIB_API is a mark for all standard library functions.
- ** CHANGE them if you need to define those functions in some special way.
-@@ -383,22 +409,6 @@
- 
- 
- /*
--@@ LUAI_BITSINT defines the number of bits in an int.
--** CHANGE here if Lua cannot automatically detect the number of bits of
--** your machine. Probably you do not need to change this.
--*/
--/* avoid overflows in comparison */
--#if INT_MAX-20 < 32760
--#define LUAI_BITSINT	16
--#elif INT_MAX > 2147483640L
--/* int has at least 32 bits */
--#define LUAI_BITSINT	32
--#else
--#error "you must define LUA_BITSINT with number of bits in an integer"
--#endif
--
--
--/*
- @@ LUAI_UINT32 is an unsigned integer with at least 32 bits.
- @@ LUAI_INT32 is an signed integer with at least 32 bits.
- @@ LUAI_UMEM is an unsigned integer big enough to count the total
-@@ -425,6 +435,15 @@
- #define LUAI_MEM	long
- #endif
- 
-+/*
-+@@ LUAI_BOOL carries 0 and nonzero (normally 1). It may be defined as 'char'
-+** (to save memory), 'int' (for speed), 'bool' (for C++) or '_Bool' (C99)
-+*/
-+#ifdef __cplusplus
-+# define LUAI_BOOL bool
-+#else
-+# define LUAI_BOOL int
-+#endif
- 
- /*
- @@ LUAI_MAXCALLS limits the number of nested calls.
-@@ -490,101 +509,6 @@
- /* }================================================================== */
- 
- 
--
--
--/*
--** {==================================================================
--@@ LUA_NUMBER is the type of numbers in Lua.
--** CHANGE the following definitions only if you want to build Lua
--** with a number type different from double. You may also need to
--** change lua_number2int & lua_number2integer.
--** ===================================================================
--*/
--
--#define LUA_NUMBER_DOUBLE
--#define LUA_NUMBER	double
--
--/*
--@@ LUAI_UACNUMBER is the result of an 'usual argument conversion'
--@* over a number.
--*/
--#define LUAI_UACNUMBER	double
--
--
--/*
--@@ LUA_NUMBER_SCAN is the format for reading numbers.
--@@ LUA_NUMBER_FMT is the format for writing numbers.
--@@ lua_number2str converts a number to a string.
--@@ LUAI_MAXNUMBER2STR is maximum size of previous conversion.
--@@ lua_str2number converts a string to a number.
--*/
--#define LUA_NUMBER_SCAN		"%lf"
--#define LUA_NUMBER_FMT		"%.14g"
--#define lua_number2str(s,n)	sprintf((s), LUA_NUMBER_FMT, (n))
--#define LUAI_MAXNUMBER2STR	32 /* 16 digits, sign, point, and \0 */
--#define lua_str2number(s,p)	strtod((s), (p))
--
--
--/*
--@@ The luai_num* macros define the primitive operations over numbers.
--*/
--#if defined(LUA_CORE)
--#include <math.h>
--#define luai_numadd(a,b)	((a)+(b))
--#define luai_numsub(a,b)	((a)-(b))
--#define luai_nummul(a,b)	((a)*(b))
--#define luai_numdiv(a,b)	((a)/(b))
--#define luai_nummod(a,b)	((a) - floor((a)/(b))*(b))
--#define luai_numpow(a,b)	(pow(a,b))
--#define luai_numunm(a)		(-(a))
--#define luai_numeq(a,b)		((a)==(b))
--#define luai_numlt(a,b)		((a)<(b))
--#define luai_numle(a,b)		((a)<=(b))
--#define luai_numisnan(a)	(!luai_numeq((a), (a)))
--#endif
--
--
--/*
--@@ lua_number2int is a macro to convert lua_Number to int.
--@@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
--** CHANGE them if you know a faster way to convert a lua_Number to
--** int (with any rounding method and without throwing errors) in your
--** system. In Pentium machines, a naive typecast from double to int
--** in C is extremely slow, so any alternative is worth trying.
--*/
--
--/* On a Pentium, resort to a trick */
--#if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) && !defined(__SSE2__) && \
--    (defined(__i386) || defined (_M_IX86) || defined(__i386__))
--
--/* On a Microsoft compiler, use assembler */
--#if defined(_MSC_VER)
--
--#define lua_number2int(i,d)   __asm fld d   __asm fistp i
--#define lua_number2integer(i,n)		lua_number2int(i, n)
--
--/* the next trick should work on any Pentium, but sometimes clashes
--   with a DirectX idiosyncrasy */
--#else
--
--union luai_Cast { double l_d; long l_l; };
--#define lua_number2int(i,d) \
--  { volatile union luai_Cast u; u.l_d = (d) + 6755399441055744.0; (i) = u.l_l; }
--#define lua_number2integer(i,n)		lua_number2int(i, n)
--
--#endif
--
--
--/* this option always works, but may be slow */
--#else
--#define lua_number2int(i,d)	((i)=(int)(d))
--#define lua_number2integer(i,d)	((i)=(lua_Integer)(d))
--
--#endif
--
--/* }================================================================== */
--
--
- /*
- @@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.
- ** CHANGE it if your system requires alignments larger than double. (For
-@@ -728,28 +652,6 @@ union luai_Cast { double l_d; long l_l; 
- #define luai_userstateyield(L,n)	((void)L)
- 
- 
--/*
--@@ LUA_INTFRMLEN is the length modifier for integer conversions
--@* in 'string.format'.
--@@ LUA_INTFRM_T is the integer type correspoding to the previous length
--@* modifier.
--** CHANGE them if your system supports long long or does not support long.
--*/
--
--#if defined(LUA_USELONGLONG)
--
--#define LUA_INTFRMLEN		"ll"
--#define LUA_INTFRM_T		long long
--
--#else
--
--#define LUA_INTFRMLEN		"l"
--#define LUA_INTFRM_T		long
--
--#endif
--
--
--
- /* =================================================================== */
- 
- /*
---- a/src/lundump.c
-+++ b/src/lundump.c
-@@ -73,6 +73,13 @@ static lua_Number LoadNumber(LoadState* 
-  return x;
- }
- 
-+static lua_Integer LoadInteger(LoadState* S)
-+{
-+ lua_Integer x;
-+ LoadVar(S,x);
-+ return x;
-+}
-+
- static TString* LoadString(LoadState* S)
- {
-  size_t size;
-@@ -119,6 +126,9 @@ static void LoadConstants(LoadState* S, 
-    case LUA_TNUMBER:
- 	setnvalue(o,LoadNumber(S));
- 	break;
-+   case LUA_TINT:   /* Integer type saved in bytecode (see lcode.c) */
-+	setivalue(o,LoadInteger(S));
-+	break;
-    case LUA_TSTRING:
- 	setsvalue2n(S->L,o,LoadString(S));
- 	break;
-@@ -223,5 +233,22 @@ void luaU_header (char* h)
-  *h++=(char)sizeof(size_t);
-  *h++=(char)sizeof(Instruction);
-  *h++=(char)sizeof(lua_Number);
-- *h++=(char)(((lua_Number)0.5)==0);		/* is lua_Number integral? */
-+
-+ /* 
-+  * Last byte of header (0/1 in unpatched Lua 5.1.3):
-+  *
-+  * 0: lua_Number is float or double, lua_Integer not used. (nonpatched only)
-+  * 1: lua_Number is integer (nonpatched only)
-+  *
-+  * +2: LNUM_INT16: sizeof(lua_Integer)
-+  * +4: LNUM_INT32: sizeof(lua_Integer)
-+  * +8: LNUM_INT64: sizeof(lua_Integer)
-+  *
-+  * +0x80: LNUM_COMPLEX
-+  */
-+ *h++ = (char)(sizeof(lua_Integer)
-+#ifdef LNUM_COMPLEX
-+    | 0x80
-+#endif
-+    );
- }
---- a/src/lvm.c
-+++ b/src/lvm.c
-@@ -25,22 +25,35 @@
- #include "ltable.h"
- #include "ltm.h"
- #include "lvm.h"
--
--
-+#include "llex.h"
-+#include "lnum.h"
- 
- /* limit for table tag-method chains (to avoid loops) */
- #define MAXTAGLOOP	100
- 
- 
--const TValue *luaV_tonumber (const TValue *obj, TValue *n) {
--  lua_Number num;
-+/*
-+ * If 'obj' is a string, it is tried to be interpreted as a number.
-+ */
-+const TValue *luaV_tonumber ( const TValue *obj, TValue *n) {
-+  lua_Number d;
-+  lua_Integer i;
-+  
-   if (ttisnumber(obj)) return obj;
--  if (ttisstring(obj) && luaO_str2d(svalue(obj), &num)) {
--    setnvalue(n, num);
--    return n;
--  }
--  else
--    return NULL;
-+
-+  if (ttisstring(obj)) {
-+    switch( luaO_str2d( svalue(obj), &d, &i ) ) {
-+        case TK_INT:
-+            setivalue(n,i); return n;
-+        case TK_NUMBER: 
-+            setnvalue(n,d); return n;
-+#ifdef LNUM_COMPLEX
-+        case TK_NUMBER2:    /* "N.NNNi", != 0 */
-+            setnvalue_complex_fast(n, d*I); return n;
-+#endif
-+        }
-+    }
-+  return NULL;
- }
- 
- 
-@@ -49,8 +62,7 @@ int luaV_tostring (lua_State *L, StkId o
-     return 0;
-   else {
-     char s[LUAI_MAXNUMBER2STR];
--    lua_Number n = nvalue(obj);
--    lua_number2str(s, n);
-+    luaO_num2buf(s,obj);
-     setsvalue2s(L, obj, luaS_new(L, s));
-     return 1;
-   }
-@@ -218,59 +230,127 @@ static int l_strcmp (const TString *ls, 
- }
- 
- 
-+#ifdef LNUM_COMPLEX
-+void error_complex( lua_State *L, const TValue *l, const TValue *r )
-+{
-+  char buf1[ LUAI_MAXNUMBER2STR ];
-+  char buf2[ LUAI_MAXNUMBER2STR ];
-+  luaO_num2buf( buf1, l );
-+  luaO_num2buf( buf2, r );
-+  luaG_runerror( L, "unable to compare: %s with %s", buf1, buf2 );
-+  /* no return */
-+}
-+#endif
-+
-+
- int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r) {
-   int res;
--  if (ttype(l) != ttype(r))
-+  int tl,tr;
-+  lua_Integer tmp;
-+
-+  if (!ttype_ext_same(l,r))
-     return luaG_ordererror(L, l, r);
--  else if (ttisnumber(l))
--    return luai_numlt(nvalue(l), nvalue(r));
--  else if (ttisstring(l))
--    return l_strcmp(rawtsvalue(l), rawtsvalue(r)) < 0;
--  else if ((res = call_orderTM(L, l, r, TM_LT)) != -1)
-+#ifdef LNUM_COMPLEX
-+  if ( (nvalue_img(l)!=0) || (nvalue_img(r)!=0) )
-+    error_complex( L, l, r );
-+#endif
-+  tl= ttype(l); tr= ttype(r);
-+  if (tl==tr) {  /* clear arithmetics */
-+    switch(tl) {
-+      case LUA_TINT:      return ivalue(l) < ivalue(r);
-+      case LUA_TNUMBER:   return luai_numlt(nvalue_fast(l), nvalue_fast(r));
-+      case LUA_TSTRING:   return l_strcmp(rawtsvalue(l), rawtsvalue(r)) < 0;
-+    }
-+  } else if (tl==LUA_TINT) {  /* l:int, r:num */
-+    /* Avoid accuracy losing casts: if 'r' is integer by value, do comparisons
-+     * in integer realm. Only otherwise cast 'l' to FP (which might change its
-+     * value).
-+     */
-+    if (tt_integer_valued(r,&tmp)) 
-+        return ivalue(l) < tmp;
-+    else 
-+        return luai_numlt( cast_num(ivalue(l)), nvalue_fast(r) );
-+
-+  } else if (tl==LUA_TNUMBER) {  /* l:num, r:int */
-+    if (tt_integer_valued(l,&tmp)) 
-+        return tmp < ivalue(r);
-+    else
-+        return luai_numlt( nvalue_fast(l), cast_num(ivalue(r)) );
-+
-+  } else if ((res = call_orderTM(L, l, r, TM_LT)) != -1)
-     return res;
-+
-   return luaG_ordererror(L, l, r);
- }
- 
- 
- static int lessequal (lua_State *L, const TValue *l, const TValue *r) {
-   int res;
--  if (ttype(l) != ttype(r))
-+  int tl, tr;
-+  lua_Integer tmp;
-+
-+  if (!ttype_ext_same(l,r))
-     return luaG_ordererror(L, l, r);
--  else if (ttisnumber(l))
--    return luai_numle(nvalue(l), nvalue(r));
--  else if (ttisstring(l))
--    return l_strcmp(rawtsvalue(l), rawtsvalue(r)) <= 0;
--  else if ((res = call_orderTM(L, l, r, TM_LE)) != -1)  /* first try `le' */
-+#ifdef LNUM_COMPLEX
-+  if ( (nvalue_img(l)!=0) || (nvalue_img(r)!=0) )
-+    error_complex( L, l, r );
-+#endif
-+  tl= ttype(l); tr= ttype(r);
-+  if (tl==tr) {  /* clear arithmetics */
-+    switch(tl) {
-+      case LUA_TINT:      return ivalue(l) <= ivalue(r);
-+      case LUA_TNUMBER:   return luai_numle(nvalue_fast(l), nvalue_fast(r));
-+      case LUA_TSTRING:   return l_strcmp(rawtsvalue(l), rawtsvalue(r)) <= 0;
-+    }
-+  }
-+  if (tl==LUA_TINT) {  /* l:int, r:num */
-+    if (tt_integer_valued(r,&tmp)) 
-+        return ivalue(l) <= tmp;
-+    else
-+        return luai_numle( cast_num(ivalue(l)), nvalue_fast(r) );
-+
-+  } else if (tl==LUA_TNUMBER) {  /* l:num, r:int */
-+    if (tt_integer_valued(l,&tmp)) 
-+        return tmp <= ivalue(r);
-+    else
-+        return luai_numle( nvalue_fast(l), cast_num(ivalue(r)) );
-+
-+  } else if ((res = call_orderTM(L, l, r, TM_LE)) != -1)  /* first try `le' */
-     return res;
-   else if ((res = call_orderTM(L, r, l, TM_LT)) != -1)  /* else try `lt' */
-     return !res;
-+
-   return luaG_ordererror(L, l, r);
- }
- 
- 
--int luaV_equalval (lua_State *L, const TValue *t1, const TValue *t2) {
-+/* Note: 'luaV_equalval()' and 'luaO_rawequalObj()' have largely overlapping
-+ *       implementation. LUA_TNIL..LUA_TLIGHTUSERDATA cases could be handled
-+ *       simply by the 'default' case here.
-+ */
-+int luaV_equalval (lua_State *L, const TValue *l, const TValue *r) {
-   const TValue *tm;
--  lua_assert(ttype(t1) == ttype(t2));
--  switch (ttype(t1)) {
-+  lua_assert(ttype_ext_same(l,r));
-+  switch (ttype(l)) {
-     case LUA_TNIL: return 1;
--    case LUA_TNUMBER: return luai_numeq(nvalue(t1), nvalue(t2));
--    case LUA_TBOOLEAN: return bvalue(t1) == bvalue(t2);  /* true must be 1 !! */
--    case LUA_TLIGHTUSERDATA: return pvalue(t1) == pvalue(t2);
-+    case LUA_TINT:
-+    case LUA_TNUMBER: return luaO_rawequalObj(l,r);
-+    case LUA_TBOOLEAN: return bvalue(l) == bvalue(r);  /* true must be 1 !! */
-+    case LUA_TLIGHTUSERDATA: return pvalue(l) == pvalue(r);
-     case LUA_TUSERDATA: {
--      if (uvalue(t1) == uvalue(t2)) return 1;
--      tm = get_compTM(L, uvalue(t1)->metatable, uvalue(t2)->metatable,
--                         TM_EQ);
-+      if (uvalue(l) == uvalue(r)) return 1;
-+      tm = get_compTM(L, uvalue(l)->metatable, uvalue(r)->metatable, TM_EQ);
-       break;  /* will try TM */
-     }
-     case LUA_TTABLE: {
--      if (hvalue(t1) == hvalue(t2)) return 1;
--      tm = get_compTM(L, hvalue(t1)->metatable, hvalue(t2)->metatable, TM_EQ);
-+      if (hvalue(l) == hvalue(r)) return 1;
-+      tm = get_compTM(L, hvalue(l)->metatable, hvalue(r)->metatable, TM_EQ);
-       break;  /* will try TM */
-     }
--    default: return gcvalue(t1) == gcvalue(t2);
-+    default: return gcvalue(l) == gcvalue(r);
-   }
-   if (tm == NULL) return 0;  /* no TM? */
--  callTMres(L, L->top, tm, t1, t2);  /* call TM */
-+  callTMres(L, L->top, tm, l, r);  /* call TM */
-   return !l_isfalse(L->top);
- }
- 
-@@ -310,30 +390,6 @@ void luaV_concat (lua_State *L, int tota
- }
- 
- 
--static void Arith (lua_State *L, StkId ra, const TValue *rb,
--                   const TValue *rc, TMS op) {
--  TValue tempb, tempc;
--  const TValue *b, *c;
--  if ((b = luaV_tonumber(rb, &tempb)) != NULL &&
--      (c = luaV_tonumber(rc, &tempc)) != NULL) {
--    lua_Number nb = nvalue(b), nc = nvalue(c);
--    switch (op) {
--      case TM_ADD: setnvalue(ra, luai_numadd(nb, nc)); break;
--      case TM_SUB: setnvalue(ra, luai_numsub(nb, nc)); break;
--      case TM_MUL: setnvalue(ra, luai_nummul(nb, nc)); break;
--      case TM_DIV: setnvalue(ra, luai_numdiv(nb, nc)); break;
--      case TM_MOD: setnvalue(ra, luai_nummod(nb, nc)); break;
--      case TM_POW: setnvalue(ra, luai_numpow(nb, nc)); break;
--      case TM_UNM: setnvalue(ra, luai_numunm(nb)); break;
--      default: lua_assert(0); break;
--    }
--  }
--  else if (!call_binTM(L, rb, rc, ra, op))
--    luaG_aritherror(L, rb, rc);
--}
--
--
--
- /*
- ** some macros for common tasks in `luaV_execute'
- */
-@@ -357,17 +413,154 @@ static void Arith (lua_State *L, StkId r
- #define Protect(x)	{ L->savedpc = pc; {x;}; base = L->base; }
- 
- 
--#define arith_op(op,tm) { \
--        TValue *rb = RKB(i); \
--        TValue *rc = RKC(i); \
--        if (ttisnumber(rb) && ttisnumber(rc)) { \
--          lua_Number nb = nvalue(rb), nc = nvalue(rc); \
--          setnvalue(ra, op(nb, nc)); \
--        } \
--        else \
--          Protect(Arith(L, ra, rb, rc, tm)); \
-+/* Note: if called for unary operations, 'rc'=='rb'.
-+ */
-+static void Arith (lua_State *L, StkId ra, const TValue *rb,
-+                   const TValue *rc, TMS op) {
-+  TValue tempb, tempc;
-+  const TValue *b, *c;
-+  lua_Number nb,nc;
-+
-+  if ((b = luaV_tonumber(rb, &tempb)) != NULL &&
-+      (c = luaV_tonumber(rc, &tempc)) != NULL) {
-+
-+    /* Keep integer arithmetics in the integer realm, if possible.
-+     */
-+    if (ttisint(b) && ttisint(c)) {
-+      lua_Integer ib = ivalue(b), ic = ivalue(c);
-+      lua_Integer *ri = &ra->value.i;
-+      ra->tt= LUA_TINT;  /* part of 'setivalue(ra)' */
-+      switch (op) {
-+        case TM_ADD: if (try_addint( ri, ib, ic)) return; break;
-+        case TM_SUB: if (try_subint( ri, ib, ic)) return; break;
-+        case TM_MUL: if (try_mulint( ri, ib, ic)) return; break;
-+        case TM_DIV: if (try_divint( ri, ib, ic)) return; break;
-+        case TM_MOD: if (try_modint( ri, ib, ic)) return; break;
-+        case TM_POW: if (try_powint( ri, ib, ic)) return; break;
-+        case TM_UNM: if (try_unmint( ri, ib)) return; break;
-+        default: lua_assert(0);
-+      }
-+    }
-+    /* Fallback to floating point, when leaving range. */
-+
-+#ifdef LNUM_COMPLEX
-+    if ((nvalue_img(b)!=0) || (nvalue_img(c)!=0)) {
-+      lua_Complex r;
-+      if (op==TM_UNM) {
-+        r= -nvalue_complex_fast(b);     /* never an integer (or scalar) */
-+        setnvalue_complex_fast( ra, r );
-+      } else {
-+        lua_Complex bb= nvalue_complex(b), cc= nvalue_complex(c);
-+        switch (op) {
-+          case TM_ADD: r= bb + cc; break;
-+          case TM_SUB: r= bb - cc; break;
-+          case TM_MUL: r= bb * cc; break;
-+          case TM_DIV: r= bb / cc; break;
-+          case TM_MOD: 
-+            luaG_runerror(L, "attempt to use %% on complex numbers");  /* no return */
-+          case TM_POW: r= luai_vectpow( bb, cc ); break;
-+          default: lua_assert(0); r=0;
-+        }
-+        setnvalue_complex( ra, r );
-       }
-+      return;
-+    }
-+#endif
-+    nb = nvalue(b); nc = nvalue(c);
-+    switch (op) {
-+      case TM_ADD: setnvalue(ra, luai_numadd(nb, nc)); return;
-+      case TM_SUB: setnvalue(ra, luai_numsub(nb, nc)); return;
-+      case TM_MUL: setnvalue(ra, luai_nummul(nb, nc)); return;
-+      case TM_DIV: setnvalue(ra, luai_numdiv(nb, nc)); return;
-+      case TM_MOD: setnvalue(ra, luai_nummod(nb, nc)); return;
-+      case TM_POW: setnvalue(ra, luai_numpow(nb, nc)); return;
-+      case TM_UNM: setnvalue(ra, luai_numunm(nb)); return;
-+      default: lua_assert(0);
-+    }
-+  }
-+  
-+  /* Either operand not a number */
-+  if (!call_binTM(L, rb, rc, ra, op))
-+    luaG_aritherror(L, rb, rc);
-+}
- 
-+/* Helper macro to sort arithmetic operations into four categories:
-+ *  TK_INT: integer - integer operands
-+ *  TK_NUMBER: number - number (non complex, either may be integer)
-+ *  TK_NUMBER2: complex numbers (at least the other)
-+ *  0: non-numeric (at least the other)
-+*/
-+#ifdef LNUM_COMPLEX
-+static inline int arith_mode( const TValue *rb, const TValue *rc ) {
-+  if (ttisint(rb) && ttisint(rc)) return TK_INT;
-+  if (ttiscomplex(rb) || ttiscomplex(rc)) return TK_NUMBER2;
-+  if (ttisnumber(rb) && ttisnumber(rc)) return TK_NUMBER;
-+  return 0;
-+}
-+#else
-+# define arith_mode(rb,rc) \
-+    ( (ttisint(rb) && ttisint(rc)) ? TK_INT : \
-+      (ttisnumber(rb) && ttisnumber(rc)) ? TK_NUMBER : 0 )
-+#endif
-+
-+/* arith_op macro for two operators:
-+ * automatically chooses, which function (number, integer, complex) to use
-+ */
-+#define ARITH_OP2_START( op_num, op_int ) \
-+  int failed= 0; \
-+  switch( arith_mode(rb,rc) ) { \
-+    case TK_INT: \
-+      if (op_int ( &(ra)->value.i, ivalue(rb), ivalue(rc) )) \
-+        { ra->tt= LUA_TINT; break; } /* else flow through */ \
-+    case TK_NUMBER: \
-+      setnvalue(ra, op_num ( nvalue(rb), nvalue(rc) )); break;
-+
-+#define ARITH_OP2_END \
-+    default: \
-+      failed= 1; break; \
-+  } if (!failed) continue;
-+
-+#define arith_op_continue_scalar( op_num, op_int ) \
-+    ARITH_OP2_START( op_num, op_int ) \
-+    ARITH_OP2_END
-+
-+#ifdef LNUM_COMPLEX
-+# define arith_op_continue( op_num, op_int, op_complex ) \
-+    ARITH_OP2_START( op_num, op_int ) \
-+      case TK_NUMBER2: \
-+        setnvalue_complex( ra, op_complex ( nvalue_complex(rb), nvalue_complex(rc) ) ); break; \
-+    ARITH_OP2_END
-+#else
-+# define arith_op_continue(op_num,op_int,_) arith_op_continue_scalar(op_num,op_int)
-+#endif
-+
-+/* arith_op macro for one operator:
-+ */
-+#define ARITH_OP1_START( op_num, op_int ) \
-+  int failed= 0; \
-+  switch( arith_mode(rb,rb) ) { \
-+    case TK_INT: \
-+      if (op_int ( &(ra)->value.i, ivalue(rb) )) \
-+        { ra->tt= LUA_TINT; break; } /* else flow through */ \
-+      case TK_NUMBER: \
-+        setnvalue(ra, op_num (nvalue(rb))); break; \
-+
-+#define ARITH_OP1_END \
-+      default: \
-+        failed= 1; break; \
-+  } if (!failed) continue;
-+
-+#ifdef LNUM_COMPLEX
-+# define arith_op1_continue( op_num, op_int, op_complex ) \
-+    ARITH_OP1_START( op_num, op_int ) \
-+      case TK_NUMBER2: \
-+        setnvalue_complex( ra, op_complex ( nvalue_complex_fast(rb) )); break; \
-+    ARITH_OP1_END
-+#else
-+# define arith_op1_continue( op_num, op_int, _ ) \
-+    ARITH_OP1_START( op_num, op_int ) \
-+    ARITH_OP1_END
-+#endif
- 
- 
- void luaV_execute (lua_State *L, int nexeccalls) {
-@@ -468,38 +661,45 @@ void luaV_execute (lua_State *L, int nex
-         continue;
-       }
-       case OP_ADD: {
--        arith_op(luai_numadd, TM_ADD);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue( luai_numadd, try_addint, luai_vectadd );
-+        Protect(Arith(L, ra, rb, rc, TM_ADD)); \
-         continue;
-       }
-       case OP_SUB: {
--        arith_op(luai_numsub, TM_SUB);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue( luai_numsub, try_subint, luai_vectsub );
-+        Protect(Arith(L, ra, rb, rc, TM_SUB));
-         continue;
-       }
-       case OP_MUL: {
--        arith_op(luai_nummul, TM_MUL);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue(luai_nummul, try_mulint, luai_vectmul);
-+        Protect(Arith(L, ra, rb, rc, TM_MUL));
-         continue;
-       }
-       case OP_DIV: {
--        arith_op(luai_numdiv, TM_DIV);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue(luai_numdiv, try_divint, luai_vectdiv);
-+        Protect(Arith(L, ra, rb, rc, TM_DIV));
-         continue;
-       }
-       case OP_MOD: {
--        arith_op(luai_nummod, TM_MOD);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue_scalar(luai_nummod, try_modint);  /* scalars only */
-+        Protect(Arith(L, ra, rb, rc, TM_MOD));
-         continue;
-       }
-       case OP_POW: {
--        arith_op(luai_numpow, TM_POW);
-+        TValue *rb = RKB(i), *rc= RKC(i);
-+        arith_op_continue(luai_numpow, try_powint, luai_vectpow);
-+        Protect(Arith(L, ra, rb, rc, TM_POW));
-         continue;
-       }
-       case OP_UNM: {
-         TValue *rb = RB(i);
--        if (ttisnumber(rb)) {
--          lua_Number nb = nvalue(rb);
--          setnvalue(ra, luai_numunm(nb));
--        }
--        else {
--          Protect(Arith(L, ra, rb, rb, TM_UNM));
--        }
-+        arith_op1_continue(luai_numunm, try_unmint, luai_vectunm);
-+        Protect(Arith(L, ra, rb, rb, TM_UNM));
-         continue;
-       }
-       case OP_NOT: {
-@@ -511,11 +711,11 @@ void luaV_execute (lua_State *L, int nex
-         const TValue *rb = RB(i);
-         switch (ttype(rb)) {
-           case LUA_TTABLE: {
--            setnvalue(ra, cast_num(luaH_getn(hvalue(rb))));
-+            setivalue(ra, luaH_getn(hvalue(rb)));
-             break;
-           }
-           case LUA_TSTRING: {
--            setnvalue(ra, cast_num(tsvalue(rb)->len));
-+            setivalue(ra, tsvalue(rb)->len);
-             break;
-           }
-           default: {  /* try metamethod */
-@@ -648,14 +848,30 @@ void luaV_execute (lua_State *L, int nex
-         }
-       }
-       case OP_FORLOOP: {
--        lua_Number step = nvalue(ra+2);
--        lua_Number idx = luai_numadd(nvalue(ra), step); /* increment index */
--        lua_Number limit = nvalue(ra+1);
--        if (luai_numlt(0, step) ? luai_numle(idx, limit)
--                                : luai_numle(limit, idx)) {
--          dojump(L, pc, GETARG_sBx(i));  /* jump back */
--          setnvalue(ra, idx);  /* update internal index... */
--          setnvalue(ra+3, idx);  /* ...and external index */
-+        /* If start,step and limit are all integers, we don't need to check
-+         * against overflow in the looping.
-+         */
-+        if (ttisint(ra) && ttisint(ra+1) && ttisint(ra+2)) {
-+          lua_Integer step = ivalue(ra+2);
-+          lua_Integer idx = ivalue(ra) + step; /* increment index */
-+          lua_Integer limit = ivalue(ra+1);
-+          if (step > 0 ? (idx <= limit) : (limit <= idx)) {
-+            dojump(L, pc, GETARG_sBx(i));  /* jump back */
-+            setivalue(ra, idx);  /* update internal index... */
-+            setivalue(ra+3, idx);  /* ...and external index */
-+          }
-+        } else {
-+          /* non-integer looping (don't use 'nvalue_fast', some may be integer!) 
-+          */
-+          lua_Number step = nvalue(ra+2);
-+          lua_Number idx = luai_numadd(nvalue(ra), step); /* increment index */
-+          lua_Number limit = nvalue(ra+1);
-+          if (luai_numlt(0, step) ? luai_numle(idx, limit)
-+                                  : luai_numle(limit, idx)) {
-+            dojump(L, pc, GETARG_sBx(i));  /* jump back */
-+            setnvalue(ra, idx);  /* update internal index... */
-+            setnvalue(ra+3, idx);  /* ...and external index */
-+          }
-         }
-         continue;
-       }
-@@ -664,13 +880,21 @@ void luaV_execute (lua_State *L, int nex
-         const TValue *plimit = ra+1;
-         const TValue *pstep = ra+2;
-         L->savedpc = pc;  /* next steps may throw errors */
-+        /* Using same location for tonumber's both arguments, effectively does
-+         * in-place modification (string->number). */
-         if (!tonumber(init, ra))
-           luaG_runerror(L, LUA_QL("for") " initial value must be a number");
-         else if (!tonumber(plimit, ra+1))
-           luaG_runerror(L, LUA_QL("for") " limit must be a number");
-         else if (!tonumber(pstep, ra+2))
-           luaG_runerror(L, LUA_QL("for") " step must be a number");
--        setnvalue(ra, luai_numsub(nvalue(ra), nvalue(pstep)));
-+        /* Step back one value (keep within integers if we can)
-+         */
-+        if (!( ttisint(ra) && ttisint(pstep) &&
-+               try_subint( &ra->value.i, ivalue(ra), ivalue(pstep) ) )) {
-+            /* don't use 'nvalue_fast()', values may be integer */
-+            setnvalue(ra, luai_numsub(nvalue(ra), nvalue(pstep)));
-+        }
-         dojump(L, pc, GETARG_sBx(i));
-         continue;
-       }
-@@ -707,7 +931,7 @@ void luaV_execute (lua_State *L, int nex
-           luaH_resizearray(L, h, last);  /* pre-alloc it at once */
-         for (; n > 0; n--) {
-           TValue *val = ra+n;
--          setobj2t(L, luaH_setnum(L, h, last--), val);
-+          setobj2t(L, luaH_setint(L, h, last--), val);
-           luaC_barriert(L, h, val);
-         }
-         continue;
---- a/src/lvm.h
-+++ b/src/lvm.h
-@@ -15,11 +15,9 @@
- 
- #define tostring(L,o) ((ttype(o) == LUA_TSTRING) || (luaV_tostring(L, o)))
- 
--#define tonumber(o,n)	(ttype(o) == LUA_TNUMBER || \
--                         (((o) = luaV_tonumber(o,n)) != NULL))
-+#define tonumber(o,n) (ttisnumber(o) || (((o) = luaV_tonumber(o,n)) != NULL))
- 
--#define equalobj(L,o1,o2) \
--	(ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))
-+#define equalobj(L,o1,o2) (ttype_ext_same(o1,o2) && luaV_equalval(L, o1, o2))
- 
- 
- LUAI_FUNC int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r);
---- a/src/print.c
-+++ b/src/print.c
-@@ -14,6 +14,7 @@
- #include "lobject.h"
- #include "lopcodes.h"
- #include "lundump.h"
-+#include "lnum.h"
- 
- #define PrintFunction	luaU_print
- 
-@@ -59,8 +60,16 @@ static void PrintConstant(const Proto* f
-   case LUA_TBOOLEAN:
- 	printf(bvalue(o) ? "true" : "false");
- 	break;
-+  case LUA_TINT:
-+	printf(LUA_INTEGER_FMT,ivalue(o));
-+	break;
-   case LUA_TNUMBER:
--	printf(LUA_NUMBER_FMT,nvalue(o));
-+#ifdef LNUM_COMPLEX
-+    // TBD: Do we get complex values here?
-+    { lua_Number b= nvalue_img_fast(o);
-+	  printf( LUA_NUMBER_FMT "%s" LUA_NUMBER_FMT "i", nvalue_fast(o), b>=0 ? "+":"", b ); }
-+#endif
-+	printf(LUA_NUMBER_FMT,nvalue_fast(o));
- 	break;
-   case LUA_TSTRING:
- 	PrintString(rawtsvalue(o));
diff --git a/tools/lua/patches/015-lnum-ppc-compat.patch b/tools/lua/patches/015-lnum-ppc-compat.patch
deleted file mode 100644
index 2ea59f1..0000000
--- a/tools/lua/patches/015-lnum-ppc-compat.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/src/lua.h
-+++ b/src/lua.h
-@@ -79,7 +79,7 @@ typedef void * (*lua_Alloc) (void *ud, v
-  *     not acceptable for 5.1, maybe 5.2 onwards?
-  *  9: greater than existing (5.1) type values.
- */
--#define LUA_TINT (-2)
-+#define LUA_TINT 9
- 
- #define LUA_TNIL		0
- #define LUA_TBOOLEAN		1
diff --git a/tools/lua/patches/020-shared_liblua.patch b/tools/lua/patches/020-shared_liblua.patch
deleted file mode 100644
index 1c33357..0000000
--- a/tools/lua/patches/020-shared_liblua.patch
+++ /dev/null
@@ -1,140 +0,0 @@
---- a/Makefile
-+++ b/Makefile
-@@ -42,8 +42,8 @@ PLATS= aix ansi bsd freebsd generic linu
- 
- # What to install.
- TO_BIN= lua luac
--TO_INC= lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp
--TO_LIB= liblua.a
-+TO_INC= lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp lnum_config.h
-+TO_LIB= liblua.a liblua.so.$R
- TO_MAN= lua.1 luac.1
- 
- # Lua version and release.
-@@ -63,6 +63,7 @@ install: dummy
- 	cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
- 	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
- 	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
-+	ln -s liblua.so.$R $(INSTALL_LIB)/liblua.so
- 	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
- 
- ranlib:
---- a/src/ldo.h
-+++ b/src/ldo.h
-@@ -46,7 +46,7 @@ LUAI_FUNC int luaD_pcall (lua_State *L, 
- LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
- LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
- LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
--LUAI_FUNC void luaD_growstack (lua_State *L, int n);
-+LUA_API void luaD_growstack (lua_State *L, int n);
- 
- LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
- LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
---- a/src/lfunc.h
-+++ b/src/lfunc.h
-@@ -18,7 +18,7 @@
-                          cast(int, sizeof(TValue *)*((n)-1)))
- 
- 
--LUAI_FUNC Proto *luaF_newproto (lua_State *L);
-+LUA_API Proto *luaF_newproto (lua_State *L);
- LUAI_FUNC Closure *luaF_newCclosure (lua_State *L, int nelems, Table *e);
- LUAI_FUNC Closure *luaF_newLclosure (lua_State *L, int nelems, Table *e);
- LUAI_FUNC UpVal *luaF_newupval (lua_State *L);
---- a/src/lmem.h
-+++ b/src/lmem.h
-@@ -38,9 +38,9 @@
-    ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
- 
- 
--LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
-+LUA_API void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
-                                                           size_t size);
--LUAI_FUNC void *luaM_toobig (lua_State *L);
-+LUA_API void *luaM_toobig (lua_State *L);
- LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
-                                size_t size_elem, int limit,
-                                const char *errormsg);
---- a/src/lstring.h
-+++ b/src/lstring.h
-@@ -25,7 +25,7 @@
- 
- LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
- LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e);
--LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
-+LUA_API TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
- 
- 
- #endif
---- a/src/lundump.h
-+++ b/src/lundump.h
-@@ -17,7 +17,7 @@ LUAI_FUNC Proto* luaU_undump (lua_State*
- LUAI_FUNC void luaU_header (char* h);
- 
- /* dump one chunk; from ldump.c */
--LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
-+LUA_API int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
- 
- #ifdef luac_c
- /* print one chunk; from print.c */
---- a/src/Makefile
-+++ b/src/Makefile
-@@ -23,6 +23,7 @@ MYLIBS=
- PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
- 
- LUA_A=	liblua.a
-+LUA_SO= liblua.so
- CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
- 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
- 	lundump.o lvm.o lzio.o lnum.o
-@@ -33,11 +34,12 @@ LUA_T=	lua
- LUA_O=	lua.o
- 
- LUAC_T=	luac
--LUAC_O=	luac.o print.o
-+LUAC_O=	luac.o print.o lopcodes.o
- 
- ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
--ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
-+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
- ALL_A= $(LUA_A)
-+ALL_SO= $(LUA_SO)
- 
- default: $(PLAT)
- 
-@@ -47,14 +49,23 @@ o:	$(ALL_O)
- 
- a:	$(ALL_A)
- 
-+so:	$(ALL_SO)
-+
- $(LUA_A): $(CORE_O) $(LIB_O)
- 	$(AR) $@ $?
- 	$(RANLIB) $@
- 
--$(LUA_T): $(LUA_O) $(LUA_A)
--	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
-+$(LUA_SO): $(CORE_O) $(LIB_O)
-+	$(CC) -o $@.$(PKG_VERSION) -shared -soname="$@.$(PKG_VERSION)" $? -nostdlib -lgcc
-+	ln -fs $@.$(PKG_VERSION) $@
-+
-+$(LUA_T): $(LUA_O) $(LUA_SO)
-+	$(CC) -o $@ -L. -llua $(MYLDFLAGS) $(LUA_O) $(LIBS)
-+
-+$(LUAC_T): $(LUAC_O) $(LUA_SO)
-+	$(CC) -o $@ -L. -llua $(MYLDFLAGS) $(LUAC_O) $(LIBS)
- 
--$(LUAC_T): $(LUAC_O) $(LUA_A)
-+$(LUAC_T)-host: $(LUAC_O) $(LUA_A)
- 	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
- 
- clean:
-@@ -96,7 +107,7 @@ generic:
- 	$(MAKE) all MYCFLAGS=
- 
- linux:
--	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
-+	$(MAKE) all MYCFLAGS+=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
- 
- macosx:
- 	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-lreadline"
diff --git a/tools/lua/patches/030-archindependent-bytecode.patch b/tools/lua/patches/030-archindependent-bytecode.patch
deleted file mode 100644
index 8dfef85..0000000
--- a/tools/lua/patches/030-archindependent-bytecode.patch
+++ /dev/null
@@ -1,111 +0,0 @@
---- a/src/ldump.c
-+++ b/src/ldump.c
-@@ -67,12 +67,12 @@ static void DumpString(const TString* s,
- {
-  if (s==NULL || getstr(s)==NULL)
-  {
--  size_t size=0;
-+  unsigned int size=0;
-   DumpVar(size,D);
-  }
-  else
-  {
--  size_t size=s->tsv.len+1;		/* include trailing '\0' */
-+  unsigned int size=s->tsv.len+1;		/* include trailing '\0' */
-   DumpVar(size,D);
-   DumpBlock(getstr(s),size,D);
-  }
---- a/src/lundump.c
-+++ b/src/lundump.c
-@@ -25,6 +25,7 @@ typedef struct {
-  ZIO* Z;
-  Mbuffer* b;
-  const char* name;
-+ int swap;
- } LoadState;
- 
- #ifdef LUAC_TRUST_BINARIES
-@@ -40,7 +41,6 @@ static void error(LoadState* S, const ch
- }
- #endif
- 
--#define LoadMem(S,b,n,size)	LoadBlock(S,b,(n)*(size))
- #define	LoadByte(S)		(lu_byte)LoadChar(S)
- #define LoadVar(S,x)		LoadMem(S,&x,1,sizeof(x))
- #define LoadVector(S,b,n,size)	LoadMem(S,b,n,size)
-@@ -51,6 +51,49 @@ static void LoadBlock(LoadState* S, void
-  IF (r!=0, "unexpected end");
- }
- 
-+static void LoadMem (LoadState* S, void* b, int n, size_t size)
-+{
-+ LoadBlock(S,b,n*size);
-+ if (S->swap)
-+ {
-+  char* p=(char*) b;
-+  char c;
-+  switch (size)
-+  {
-+   case 1:
-+  	break;
-+   case 2:
-+	while (n--)
-+	{
-+	 c=p[0]; p[0]=p[1]; p[1]=c;
-+	 p+=2;
-+	}
-+  	break;
-+   case 4:
-+	while (n--)
-+	{
-+	 c=p[0]; p[0]=p[3]; p[3]=c;
-+	 c=p[1]; p[1]=p[2]; p[2]=c;
-+	 p+=4;
-+	}
-+  	break;
-+   case 8:
-+	while (n--)
-+	{
-+	 c=p[0]; p[0]=p[7]; p[7]=c;
-+	 c=p[1]; p[1]=p[6]; p[6]=c;
-+	 c=p[2]; p[2]=p[5]; p[5]=c;
-+	 c=p[3]; p[3]=p[4]; p[4]=c;
-+	 p+=8;
-+	}
-+  	break;
-+   default:
-+   	IF(1, "bad size");
-+  	break;
-+  }
-+ }
-+}
-+
- static int LoadChar(LoadState* S)
- {
-  char x;
-@@ -82,7 +125,7 @@ static lua_Integer LoadInteger(LoadState
- 
- static TString* LoadString(LoadState* S)
- {
-- size_t size;
-+ unsigned int size;
-  LoadVar(S,size);
-  if (size==0)
-   return NULL;
-@@ -196,6 +239,7 @@ static void LoadHeader(LoadState* S)
-  char s[LUAC_HEADERSIZE];
-  luaU_header(h);
-  LoadBlock(S,s,LUAC_HEADERSIZE);
-+ S->swap=(s[6]!=h[6]); s[6]=h[6];
-  IF (memcmp(h,s,LUAC_HEADERSIZE)!=0, "bad header");
- }
- 
-@@ -230,7 +274,7 @@ void luaU_header (char* h)
-  *h++=(char)LUAC_FORMAT;
-  *h++=(char)*(char*)&x;				/* endianness */
-  *h++=(char)sizeof(int);
-- *h++=(char)sizeof(size_t);
-+ *h++=(char)sizeof(unsigned int);
-  *h++=(char)sizeof(Instruction);
-  *h++=(char)sizeof(lua_Number);
- 
diff --git a/tools/lua/patches/100-no_readline.patch b/tools/lua/patches/100-no_readline.patch
deleted file mode 100644
index 0350e47..0000000
--- a/tools/lua/patches/100-no_readline.patch
+++ /dev/null
@@ -1,49 +0,0 @@
---- a/src/luaconf.h
-+++ b/src/luaconf.h
-@@ -38,7 +38,6 @@
- #if defined(LUA_USE_LINUX)
- #define LUA_USE_POSIX
- #define LUA_USE_DLOPEN		/* needs an extra library: -ldl */
--#define LUA_USE_READLINE	/* needs some extra libraries */
- #endif
- 
- #if defined(LUA_USE_MACOSX)
---- a/src/Makefile
-+++ b/src/Makefile
-@@ -17,6 +17,7 @@ LIBS= -lm $(MYLIBS)
- MYCFLAGS=
- MYLDFLAGS=
- MYLIBS=
-+# USE_READLINE=1
- 
- # == END OF USER SETTINGS. NO NEED TO CHANGE ANYTHING BELOW THIS LINE =========
- 
-@@ -86,7 +87,7 @@ echo:
- 	@echo "MYLIBS = $(MYLIBS)"
- 
- # convenience targets for popular platforms
--
-+RFLAG=$(if $(USE_READLINE),-DLUA_USE_READLINE)
- none:
- 	@echo "Please choose a platform:"
- 	@echo "   $(PLATS)"
-@@ -101,16 +102,16 @@ bsd:
- 	$(MAKE) all MYCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN" MYLIBS="-Wl,-E"
- 
- freebsd:
--	$(MAKE) all MYCFLAGS="-DLUA_USE_LINUX" MYLIBS="-Wl,-E -lreadline"
-+	$(MAKE) all MYCFLAGS="-DLUA_USE_LINUX $(RFLAG)" MYLIBS="-Wl,-E$(if $(USE_READLINE), -lreadline)"
- 
- generic:
- 	$(MAKE) all MYCFLAGS=
- 
- linux:
--	$(MAKE) all MYCFLAGS+=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
-+	$(MAKE) all MYCFLAGS+="-DLUA_USE_LINUX $(RFLAG)" MYLIBS="-Wl,-E -ldl $(if $(USE_READLINE), -lreadline -lhistory -lncurses)"
- 
- macosx:
--	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-lreadline"
-+	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX $(if $(USE_READLINE), MYLIBS="-lreadline")
- # use this on Mac OS X 10.3-
- #	$(MAKE) all MYCFLAGS=-DLUA_USE_MACOSX
- 
diff --git a/tools/lua/patches/200-lua-path.patch b/tools/lua/patches/200-lua-path.patch
deleted file mode 100644
index 0544577..0000000
--- a/tools/lua/patches/200-lua-path.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- a/src/luaconf.h
-+++ b/src/luaconf.h
-@@ -95,9 +95,9 @@
- 	".\\?.dll;"  LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
- 
- #else
--#define LUA_ROOT	"/usr/local/"
--#define LUA_LDIR	LUA_ROOT "share/lua/5.1/"
--#define LUA_CDIR	LUA_ROOT "lib/lua/5.1/"
-+#define LUA_ROOT	"/usr/"
-+#define LUA_LDIR	LUA_ROOT "share/lua/"
-+#define LUA_CDIR	LUA_ROOT "lib/lua/"
- #define LUA_PATH_DEFAULT  \
- 		"./?.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \
- 		            LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua"
diff --git a/tools/lua/patches/300-opcode_performance.patch b/tools/lua/patches/300-opcode_performance.patch
deleted file mode 100644
index e870a25..0000000
--- a/tools/lua/patches/300-opcode_performance.patch
+++ /dev/null
@@ -1,363 +0,0 @@
---- a/src/lvm.c
-+++ b/src/lvm.c
-@@ -31,6 +31,9 @@
- /* limit for table tag-method chains (to avoid loops) */
- #define MAXTAGLOOP	100
- 
-+#ifdef __GNUC__
-+#define COMPUTED_GOTO 1
-+#endif
- 
- /*
-  * If 'obj' is a string, it is tried to be interpreted as a number.
-@@ -562,12 +565,63 @@ static inline int arith_mode( const TVal
-     ARITH_OP1_END
- #endif
- 
-+#ifdef COMPUTED_GOTO
-+#define OPCODE_TARGET(op) DO_OP_##op:
-+#define CALL_OPCODE(op) goto *opcodes[op];
-+#define OPCODE_PTR(op) [OP_##op] = &&DO_OP_##op
-+#else
-+#define OPCODE_TARGET(op) case OP_##op:
-+#define CALL_OPCODE(op) switch (op)
-+#endif
-+
- 
- void luaV_execute (lua_State *L, int nexeccalls) {
-   LClosure *cl;
-   StkId base;
-   TValue *k;
-   const Instruction *pc;
-+#ifdef COMPUTED_GOTO
-+  static const void *opcodes[] = {
-+   OPCODE_PTR(MOVE),
-+   OPCODE_PTR(LOADK),
-+   OPCODE_PTR(LOADBOOL),
-+   OPCODE_PTR(LOADNIL),
-+   OPCODE_PTR(GETUPVAL),
-+   OPCODE_PTR(GETGLOBAL),
-+   OPCODE_PTR(GETTABLE),
-+   OPCODE_PTR(SETGLOBAL),
-+   OPCODE_PTR(SETUPVAL),
-+   OPCODE_PTR(SETTABLE),
-+   OPCODE_PTR(NEWTABLE),
-+   OPCODE_PTR(SELF),
-+   OPCODE_PTR(ADD),
-+   OPCODE_PTR(SUB),
-+   OPCODE_PTR(MUL),
-+   OPCODE_PTR(DIV),
-+   OPCODE_PTR(MOD),
-+   OPCODE_PTR(POW),
-+   OPCODE_PTR(UNM),
-+   OPCODE_PTR(NOT),
-+   OPCODE_PTR(LEN),
-+   OPCODE_PTR(CONCAT),
-+   OPCODE_PTR(JMP),
-+   OPCODE_PTR(EQ),
-+   OPCODE_PTR(LT),
-+   OPCODE_PTR(LE),
-+   OPCODE_PTR(TEST),
-+   OPCODE_PTR(TESTSET),
-+   OPCODE_PTR(CALL),
-+   OPCODE_PTR(TAILCALL),
-+   OPCODE_PTR(RETURN),
-+   OPCODE_PTR(FORLOOP),
-+   OPCODE_PTR(FORPREP),
-+   OPCODE_PTR(TFORLOOP),
-+   OPCODE_PTR(SETLIST),
-+   OPCODE_PTR(CLOSE),
-+   OPCODE_PTR(CLOSURE),
-+   OPCODE_PTR(VARARG)
-+  };
-+#endif
-  reentry:  /* entry point */
-   lua_assert(isLua(L->ci));
-   pc = L->savedpc;
-@@ -592,33 +646,33 @@ void luaV_execute (lua_State *L, int nex
-     lua_assert(base == L->base && L->base == L->ci->base);
-     lua_assert(base <= L->top && L->top <= L->stack + L->stacksize);
-     lua_assert(L->top == L->ci->top || luaG_checkopenop(i));
--    switch (GET_OPCODE(i)) {
--      case OP_MOVE: {
-+    CALL_OPCODE(GET_OPCODE(i)) {
-+      OPCODE_TARGET(MOVE) {
-         setobjs2s(L, ra, RB(i));
-         continue;
-       }
--      case OP_LOADK: {
-+      OPCODE_TARGET(LOADK) {
-         setobj2s(L, ra, KBx(i));
-         continue;
-       }
--      case OP_LOADBOOL: {
-+      OPCODE_TARGET(LOADBOOL) {
-         setbvalue(ra, GETARG_B(i));
-         if (GETARG_C(i)) pc++;  /* skip next instruction (if C) */
-         continue;
-       }
--      case OP_LOADNIL: {
-+      OPCODE_TARGET(LOADNIL) {
-         TValue *rb = RB(i);
-         do {
-           setnilvalue(rb--);
-         } while (rb >= ra);
-         continue;
-       }
--      case OP_GETUPVAL: {
-+      OPCODE_TARGET(GETUPVAL) {
-         int b = GETARG_B(i);
-         setobj2s(L, ra, cl->upvals[b]->v);
-         continue;
-       }
--      case OP_GETGLOBAL: {
-+      OPCODE_TARGET(GETGLOBAL) {
-         TValue g;
-         TValue *rb = KBx(i);
-         sethvalue(L, &g, cl->env);
-@@ -626,88 +680,88 @@ void luaV_execute (lua_State *L, int nex
-         Protect(luaV_gettable(L, &g, rb, ra));
-         continue;
-       }
--      case OP_GETTABLE: {
-+      OPCODE_TARGET(GETTABLE) {
-         Protect(luaV_gettable(L, RB(i), RKC(i), ra));
-         continue;
-       }
--      case OP_SETGLOBAL: {
-+      OPCODE_TARGET(SETGLOBAL) {
-         TValue g;
-         sethvalue(L, &g, cl->env);
-         lua_assert(ttisstring(KBx(i)));
-         Protect(luaV_settable(L, &g, KBx(i), ra));
-         continue;
-       }
--      case OP_SETUPVAL: {
-+      OPCODE_TARGET(SETUPVAL) {
-         UpVal *uv = cl->upvals[GETARG_B(i)];
-         setobj(L, uv->v, ra);
-         luaC_barrier(L, uv, ra);
-         continue;
-       }
--      case OP_SETTABLE: {
-+      OPCODE_TARGET(SETTABLE) {
-         Protect(luaV_settable(L, ra, RKB(i), RKC(i)));
-         continue;
-       }
--      case OP_NEWTABLE: {
-+      OPCODE_TARGET(NEWTABLE) {
-         int b = GETARG_B(i);
-         int c = GETARG_C(i);
-         sethvalue(L, ra, luaH_new(L, luaO_fb2int(b), luaO_fb2int(c)));
-         Protect(luaC_checkGC(L));
-         continue;
-       }
--      case OP_SELF: {
-+      OPCODE_TARGET(SELF) {
-         StkId rb = RB(i);
-         setobjs2s(L, ra+1, rb);
-         Protect(luaV_gettable(L, rb, RKC(i), ra));
-         continue;
-       }
--      case OP_ADD: {
-+      OPCODE_TARGET(ADD) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue( luai_numadd, try_addint, luai_vectadd );
-         Protect(Arith(L, ra, rb, rc, TM_ADD)); \
-         continue;
-       }
--      case OP_SUB: {
-+      OPCODE_TARGET(SUB) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue( luai_numsub, try_subint, luai_vectsub );
-         Protect(Arith(L, ra, rb, rc, TM_SUB));
-         continue;
-       }
--      case OP_MUL: {
-+      OPCODE_TARGET(MUL) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue(luai_nummul, try_mulint, luai_vectmul);
-         Protect(Arith(L, ra, rb, rc, TM_MUL));
-         continue;
-       }
--      case OP_DIV: {
-+      OPCODE_TARGET(DIV) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue(luai_numdiv, try_divint, luai_vectdiv);
-         Protect(Arith(L, ra, rb, rc, TM_DIV));
-         continue;
-       }
--      case OP_MOD: {
-+      OPCODE_TARGET(MOD) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue_scalar(luai_nummod, try_modint);  /* scalars only */
-         Protect(Arith(L, ra, rb, rc, TM_MOD));
-         continue;
-       }
--      case OP_POW: {
-+      OPCODE_TARGET(POW) {
-         TValue *rb = RKB(i), *rc= RKC(i);
-         arith_op_continue(luai_numpow, try_powint, luai_vectpow);
-         Protect(Arith(L, ra, rb, rc, TM_POW));
-         continue;
-       }
--      case OP_UNM: {
-+      OPCODE_TARGET(UNM) {
-         TValue *rb = RB(i);
-         arith_op1_continue(luai_numunm, try_unmint, luai_vectunm);
-         Protect(Arith(L, ra, rb, rb, TM_UNM));
-         continue;
-       }
--      case OP_NOT: {
-+      OPCODE_TARGET(NOT) {
-         int res = l_isfalse(RB(i));  /* next assignment may change this value */
-         setbvalue(ra, res);
-         continue;
-       }
--      case OP_LEN: {
-+      OPCODE_TARGET(LEN) {
-         const TValue *rb = RB(i);
-         switch (ttype(rb)) {
-           case LUA_TTABLE: {
-@@ -727,18 +781,18 @@ void luaV_execute (lua_State *L, int nex
-         }
-         continue;
-       }
--      case OP_CONCAT: {
-+      OPCODE_TARGET(CONCAT) {
-         int b = GETARG_B(i);
-         int c = GETARG_C(i);
-         Protect(luaV_concat(L, c-b+1, c); luaC_checkGC(L));
-         setobjs2s(L, RA(i), base+b);
-         continue;
-       }
--      case OP_JMP: {
-+      OPCODE_TARGET(JMP) {
-         dojump(L, pc, GETARG_sBx(i));
-         continue;
-       }
--      case OP_EQ: {
-+      OPCODE_TARGET(EQ) {
-         TValue *rb = RKB(i);
-         TValue *rc = RKC(i);
-         Protect(
-@@ -748,7 +802,7 @@ void luaV_execute (lua_State *L, int nex
-         pc++;
-         continue;
-       }
--      case OP_LT: {
-+      OPCODE_TARGET(LT) {
-         Protect(
-           if (luaV_lessthan(L, RKB(i), RKC(i)) == GETARG_A(i))
-             dojump(L, pc, GETARG_sBx(*pc));
-@@ -756,7 +810,7 @@ void luaV_execute (lua_State *L, int nex
-         pc++;
-         continue;
-       }
--      case OP_LE: {
-+      OPCODE_TARGET(LE) {
-         Protect(
-           if (lessequal(L, RKB(i), RKC(i)) == GETARG_A(i))
-             dojump(L, pc, GETARG_sBx(*pc));
-@@ -764,13 +818,13 @@ void luaV_execute (lua_State *L, int nex
-         pc++;
-         continue;
-       }
--      case OP_TEST: {
-+      OPCODE_TARGET(TEST) {
-         if (l_isfalse(ra) != GETARG_C(i))
-           dojump(L, pc, GETARG_sBx(*pc));
-         pc++;
-         continue;
-       }
--      case OP_TESTSET: {
-+      OPCODE_TARGET(TESTSET) {
-         TValue *rb = RB(i);
-         if (l_isfalse(rb) != GETARG_C(i)) {
-           setobjs2s(L, ra, rb);
-@@ -779,7 +833,7 @@ void luaV_execute (lua_State *L, int nex
-         pc++;
-         continue;
-       }
--      case OP_CALL: {
-+      OPCODE_TARGET(CALL) {
-         int b = GETARG_B(i);
-         int nresults = GETARG_C(i) - 1;
-         if (b != 0) L->top = ra+b;  /* else previous instruction set top */
-@@ -800,7 +854,7 @@ void luaV_execute (lua_State *L, int nex
-           }
-         }
-       }
--      case OP_TAILCALL: {
-+      OPCODE_TARGET(TAILCALL) {
-         int b = GETARG_B(i);
-         if (b != 0) L->top = ra+b;  /* else previous instruction set top */
-         L->savedpc = pc;
-@@ -832,7 +886,7 @@ void luaV_execute (lua_State *L, int nex
-           }
-         }
-       }
--      case OP_RETURN: {
-+      OPCODE_TARGET(RETURN) {
-         int b = GETARG_B(i);
-         if (b != 0) L->top = ra+b-1;
-         if (L->openupval) luaF_close(L, base);
-@@ -847,7 +901,7 @@ void luaV_execute (lua_State *L, int nex
-           goto reentry;
-         }
-       }
--      case OP_FORLOOP: {
-+      OPCODE_TARGET(FORLOOP) {
-         /* If start,step and limit are all integers, we don't need to check
-          * against overflow in the looping.
-          */
-@@ -875,7 +929,7 @@ void luaV_execute (lua_State *L, int nex
-         }
-         continue;
-       }
--      case OP_FORPREP: {
-+      OPCODE_TARGET(FORPREP) {
-         const TValue *init = ra;
-         const TValue *plimit = ra+1;
-         const TValue *pstep = ra+2;
-@@ -898,7 +952,7 @@ void luaV_execute (lua_State *L, int nex
-         dojump(L, pc, GETARG_sBx(i));
-         continue;
-       }
--      case OP_TFORLOOP: {
-+      OPCODE_TARGET(TFORLOOP) {
-         StkId cb = ra + 3;  /* call base */
-         setobjs2s(L, cb+2, ra+2);
-         setobjs2s(L, cb+1, ra+1);
-@@ -914,7 +968,7 @@ void luaV_execute (lua_State *L, int nex
-         pc++;
-         continue;
-       }
--      case OP_SETLIST: {
-+      OPCODE_TARGET(SETLIST) {
-         int n = GETARG_B(i);
-         int c = GETARG_C(i);
-         int last;
-@@ -936,11 +990,11 @@ void luaV_execute (lua_State *L, int nex
-         }
-         continue;
-       }
--      case OP_CLOSE: {
-+      OPCODE_TARGET(CLOSE) {
-         luaF_close(L, ra);
-         continue;
-       }
--      case OP_CLOSURE: {
-+      OPCODE_TARGET(CLOSURE) {
-         Proto *p;
-         Closure *ncl;
-         int nup, j;
-@@ -960,7 +1014,7 @@ void luaV_execute (lua_State *L, int nex
-         Protect(luaC_checkGC(L));
-         continue;
-       }
--      case OP_VARARG: {
-+      OPCODE_TARGET(VARARG) {
-         int b = GETARG_B(i) - 1;
-         int j;
-         CallInfo *ci = L->ci;