diff options
| -rw-r--r-- | package/lua/Makefile | 18 | ||||
| -rw-r--r-- | tools/Makefile | 2 | ||||
| -rw-r--r-- | tools/lua/Makefile | 42 | ||||
| -rw-r--r-- | tools/lua/patches/010-lua-5.1.3-lnum-full-260308.patch | 3736 | ||||
| -rw-r--r-- | tools/lua/patches/015-lnum-ppc-compat.patch | 11 | ||||
| -rw-r--r-- | tools/lua/patches/020-shared_liblua.patch | 140 | ||||
| -rw-r--r-- | tools/lua/patches/030-archindependent-bytecode.patch | 111 | ||||
| -rw-r--r-- | tools/lua/patches/100-no_readline.patch | 49 | ||||
| -rw-r--r-- | tools/lua/patches/200-lua-path.patch | 15 | ||||
| -rw-r--r-- | tools/lua/patches/300-opcode_performance.patch | 363 |
10 files changed, 18 insertions, 4469 deletions
diff --git a/package/lua/Makefile b/package/lua/Makefile index eff3139..0c2e8e2 100644 --- a/package/lua/Makefile +++ b/package/lua/Makefile @@ -19,6 +19,7 @@ PKG_SOURCE_URL:=http://www.lua.org/ftp/ \ http://www.tecgraf.puc-rio.br/lua/ftp/ PKG_MD5SUM:=d0870f2de55d59c1c8419f36e8fac150 +include $(INCLUDE_DIR)/host-build.mk include $(INCLUDE_DIR)/package.mk define Package/lua/Default @@ -81,9 +82,21 @@ $(call Package/lua/Default/description) This package contains LUA language examples. endef -define Build/Configure +# Host build +define Host/Configure + +endef + +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 + +# Target build + TARGET_CFLAGS += -DLUA_USE_LINUX $(FPIC) ifneq ($(CONFIG_USE_EGLIBC),) @@ -92,6 +105,8 @@ ifneq ($(CONFIG_USE_EGLIBC),) endif endif +Build/Configure=$(Host/Configure) + define Build/Compile $(MAKE) -C $(PKG_BUILD_DIR) \ CC="$(TARGET_CROSS)gcc" \ @@ -140,6 +155,7 @@ define Package/lua-examples/install $(1)/usr/share/lua/examples/ endef +$(eval $(call HostBuild)) $(eval $(call BuildPackage,liblua)) $(eval $(call BuildPackage,lua)) $(eval $(call BuildPackage,luac)) diff --git a/tools/Makefile b/tools/Makefile index c0bbcdb..8ff50cc 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -9,7 +9,7 @@ curdir:=tools # subdirectories to descend into -$(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 |Â LNUM_FLOAT |Â 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; |