diff -u -r lua-5.3.5/Makefile lua-5.3.6/Makefile --- lua-5.3.5/Makefile 2016-12-20 14:26:08.000000000 -0200 +++ lua-5.3.6/Makefile 2020-07-13 15:38:27.361285350 -0300 @@ -46,7 +46,7 @@ # Lua version and release. V= 5.3 -R= $V.4 +R= $V.6 # Targets start here. all: $(PLAT) diff -u -r lua-5.3.5/README lua-5.3.6/README --- lua-5.3.5/README 2018-06-26 13:21:46.000000000 -0300 +++ lua-5.3.6/README 2020-09-14 12:35:46.065095954 -0300 @@ -1,5 +1,5 @@ -This is Lua 5.3.5, released on 26 Jun 2018. +This is Lua 5.3.6, released on 14 Sep 2020. For installation instructions, license details, and further information about Lua, see doc/readme.html. diff -u -r lua-5.3.5/doc/contents.html lua-5.3.6/doc/contents.html --- lua-5.3.5/doc/contents.html 2018-06-18 22:56:08.000000000 -0300 +++ lua-5.3.6/doc/contents.html 2020-08-25 10:45:15.523246426 -0300 @@ -32,7 +32,7 @@

-Copyright © 2015–2018 Lua.org, PUC-Rio. +Copyright © 2015–2020 Lua.org, PUC-Rio. Freely available under the terms of the Lua license. @@ -318,6 +318,37 @@ utf8.len
utf8.offset
+

metamethods

+__add
+__band
+__bnot
+__bor
+__bxor
+__call
+__concat
+__div
+__eq
+__gc
+__idiv
+__index
+__le
+__len
+__lt
+__metatable
+__mod
+__mode
+__mul
+__name
+__newindex
+__pairs
+__pow
+__shl
+__shr
+__sub
+__tostring
+__unm
+

environment
variables

LUA_CPATH
@@ -609,10 +640,10 @@

diff -u -r lua-5.3.5/doc/manual.html lua-5.3.6/doc/manual.html --- lua-5.3.5/doc/manual.html 2018-06-26 13:16:37.000000000 -0300 +++ lua-5.3.6/doc/manual.html 2020-07-14 07:32:40.068628898 -0300 @@ -19,7 +19,7 @@

diff -u -r lua-5.3.5/doc/readme.html lua-5.3.6/doc/readme.html --- lua-5.3.5/doc/readme.html 2018-06-18 22:57:34.000000000 -0300 +++ lua-5.3.6/doc/readme.html 2020-07-14 07:33:02.135808648 -0300 @@ -107,7 +107,7 @@

Open a terminal window and move to -the top-level directory, which is named lua-5.3.5. +the top-level directory, which is named lua-5.3.6. The Makefile there controls both the build process and the installation process.
@@ -328,7 +328,7 @@ this.
-Copyright © 1994–2017 Lua.org, PUC-Rio. +Copyright © 1994–2020 Lua.org, PUC-Rio.
Permission is hereby granted, free of charge, to any person obtaining a copy @@ -355,10 +355,10 @@
Last update: -Mon Jun 18 22:57:33 -03 2018 +Tue Jul 14 10:33:01 UTC 2020
diff -u -r lua-5.3.5/src/Makefile lua-5.3.6/src/Makefile --- lua-5.3.5/src/Makefile 2018-06-25 14:46:36.000000000 -0300 +++ lua-5.3.6/src/Makefile 2020-07-13 15:38:14.732756920 -0300 @@ -102,7 +102,7 @@ freebsd: - $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -DLUA_USE_READLINE -I/usr/include/edit" SYSLIBS="-Wl,-E -ledit" CC="cc" + $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX -I/usr/include/edit" SYSLIBS="-Wl,-E -ledit" CC="cc" generic: $(ALL) diff -u -r lua-5.3.5/src/lapi.c lua-5.3.6/src/lapi.c --- lua-5.3.5/src/lapi.c 2017-12-06 16:35:12.000000000 -0200 +++ lua-5.3.6/src/lapi.c 2020-09-14 12:34:00.344983923 -0300 @@ -1254,13 +1254,12 @@ } -static UpVal **getupvalref (lua_State *L, int fidx, int n, LClosure **pf) { +static UpVal **getupvalref (lua_State *L, int fidx, int n) { LClosure *f; StkId fi = index2addr(L, fidx); api_check(L, ttisLclosure(fi), "Lua function expected"); f = clLvalue(fi); api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index"); - if (pf) *pf = f; return &f->upvals[n - 1]; /* get its upvalue pointer */ } @@ -1269,7 +1268,7 @@ StkId fi = index2addr(L, fidx); switch (ttype(fi)) { case LUA_TLCL: { /* lua closure */ - return *getupvalref(L, fidx, n, NULL); + return *getupvalref(L, fidx, n); } case LUA_TCCL: { /* C closure */ CClosure *f = clCvalue(fi); @@ -1286,9 +1285,10 @@ LUA_API void lua_upvaluejoin (lua_State *L, int fidx1, int n1, int fidx2, int n2) { - LClosure *f1; - UpVal **up1 = getupvalref(L, fidx1, n1, &f1); - UpVal **up2 = getupvalref(L, fidx2, n2, NULL); + UpVal **up1 = getupvalref(L, fidx1, n1); + UpVal **up2 = getupvalref(L, fidx2, n2); + if (*up1 == *up2) + return; luaC_upvdeccount(L, *up1); *up1 = *up2; (*up1)->refcount++; diff -u -r lua-5.3.5/src/lauxlib.c lua-5.3.6/src/lauxlib.c --- lua-5.3.5/src/lauxlib.c 2017-04-19 14:20:42.000000000 -0300 +++ lua-5.3.6/src/lauxlib.c 2020-09-14 12:34:00.359983372 -0300 @@ -1011,8 +1011,13 @@ free(ptr); return NULL; } - else - return realloc(ptr, nsize); + else { /* cannot fail when shrinking a block */ + void *newptr = realloc(ptr, nsize); + if (newptr == NULL && ptr != NULL && nsize <= osize) + return ptr; /* keep the original block */ + else /* no fail or not shrinking */ + return newptr; /* use the new block */ + } } diff -u -r lua-5.3.5/src/lcode.c lua-5.3.6/src/lcode.c --- lua-5.3.5/src/lcode.c 2017-04-19 14:20:42.000000000 -0300 +++ lua-5.3.6/src/lcode.c 2020-09-14 12:34:00.484978775 -0300 @@ -1061,7 +1061,7 @@ /* -** Aplly prefix operation 'op' to expression 'e'. +** Apply prefix operation 'op' to expression 'e'. */ void luaK_prefix (FuncState *fs, UnOpr op, expdesc *e, int line) { static const expdesc ef = {VKINT, {0}, NO_JUMP, NO_JUMP}; diff -u -r lua-5.3.5/src/ldebug.c lua-5.3.6/src/ldebug.c --- lua-5.3.5/src/ldebug.c 2017-07-10 14:21:50.000000000 -0300 +++ lua-5.3.6/src/ldebug.c 2020-09-14 12:34:00.621973737 -0300 @@ -133,10 +133,11 @@ static const char *findvararg (CallInfo *ci, int n, StkId *pos) { int nparams = clLvalue(ci->func)->p->numparams; - if (n >= cast_int(ci->u.l.base - ci->func) - nparams) + int nvararg = cast_int(ci->u.l.base - ci->func) - nparams; + if (n <= -nvararg) return NULL; /* no such vararg */ else { - *pos = ci->func + nparams + n; + *pos = ci->func + nparams - n; return "(*vararg)"; /* generic name for any vararg */ } } @@ -148,7 +149,7 @@ StkId base; if (isLua(ci)) { if (n < 0) /* access to vararg values? */ - return findvararg(ci, -n, pos); + return findvararg(ci, n, pos); else { base = ci->u.l.base; name = luaF_getlocalname(ci_func(ci)->p, n, currentpc(ci)); diff -u -r lua-5.3.5/src/liolib.c lua-5.3.6/src/liolib.c --- lua-5.3.5/src/liolib.c 2017-04-19 14:29:57.000000000 -0300 +++ lua-5.3.6/src/liolib.c 2020-09-14 12:34:00.979960572 -0300 @@ -277,6 +277,8 @@ const char *filename = luaL_checkstring(L, 1); const char *mode = luaL_optstring(L, 2, "r"); LStream *p = newprefile(L); + luaL_argcheck(L, ((mode[0] == 'r' || mode[0] == 'w') && mode[1] == '\0'), + 2, "invalid mode"); p->f = l_popen(L, filename, mode); p->closef = &io_pclose; return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1; diff -u -r lua-5.3.5/src/llex.c lua-5.3.6/src/llex.c --- lua-5.3.5/src/llex.c 2017-04-19 14:20:42.000000000 -0300 +++ lua-5.3.6/src/llex.c 2020-09-14 12:34:00.985960350 -0300 @@ -244,12 +244,12 @@ /* -** skip a sequence '[=*[' or ']=*]'; if sequence is well formed, return -** its number of '='s; otherwise, return a negative number (-1 iff there -** are no '='s after initial bracket) +** reads a sequence '[=*[' or ']=*]', leaving the last bracket. +** If sequence is well formed, return its number of '='s + 2; otherwise, +** return 1 if there is no '='s or 0 otherwise (an unfinished '[==...'). */ -static int skip_sep (LexState *ls) { - int count = 0; +static size_t skip_sep (LexState *ls) { + size_t count = 0; int s = ls->current; lua_assert(s == '[' || s == ']'); save_and_next(ls); @@ -257,11 +257,14 @@ save_and_next(ls); count++; } - return (ls->current == s) ? count : (-count) - 1; + return (ls->current == s) ? count + 2 + : (count == 0) ? 1 + : 0; + } -static void read_long_string (LexState *ls, SemInfo *seminfo, int sep) { +static void read_long_string (LexState *ls, SemInfo *seminfo, size_t sep) { int line = ls->linenumber; /* initial line (for error message) */ save_and_next(ls); /* skip 2nd '[' */ if (currIsNewline(ls)) /* string starts with a newline? */ @@ -295,8 +298,8 @@ } } endloop: if (seminfo) - seminfo->ts = luaX_newstring(ls, luaZ_buffer(ls->buff) + (2 + sep), - luaZ_bufflen(ls->buff) - 2*(2 + sep)); + seminfo->ts = luaX_newstring(ls, luaZ_buffer(ls->buff) + sep, + luaZ_bufflen(ls->buff) - 2 * sep); } @@ -444,9 +447,9 @@ /* else is a comment */ next(ls); if (ls->current == '[') { /* long comment? */ - int sep = skip_sep(ls); + size_t sep = skip_sep(ls); luaZ_resetbuffer(ls->buff); /* 'skip_sep' may dirty the buffer */ - if (sep >= 0) { + if (sep >= 2) { read_long_string(ls, NULL, sep); /* skip long comment */ luaZ_resetbuffer(ls->buff); /* previous call may dirty the buff. */ break; @@ -458,12 +461,12 @@ break; } case '[': { /* long string or simply '[' */ - int sep = skip_sep(ls); - if (sep >= 0) { + size_t sep = skip_sep(ls); + if (sep >= 2) { read_long_string(ls, seminfo, sep); return TK_STRING; } - else if (sep != -1) /* '[=...' missing second bracket */ + else if (sep == 0) /* '[=...' missing second bracket */ lexerror(ls, "invalid long string delimiter", TK_STRING); return '['; } diff -u -r lua-5.3.5/src/lobject.c lua-5.3.6/src/lobject.c --- lua-5.3.5/src/lobject.c 2017-04-19 14:29:57.000000000 -0300 +++ lua-5.3.6/src/lobject.c 2020-09-14 12:34:01.100956122 -0300 @@ -266,7 +266,7 @@ ** - 'n'/'N' means 'inf' or 'nan' (which should be rejected) ** - '.' just optimizes the search for the common case (nothing special) ** This function accepts both the current locale or a dot as the radix -** mark. If the convertion fails, it may mean number has a dot but +** mark. If the conversion fails, it may mean number has a dot but ** locale accepts something else. In that case, the code copies 's' ** to a buffer (because 's' is read-only), changes the dot to the ** current locale radix mark, and tries to convert again. diff -u -r lua-5.3.5/src/lparser.c lua-5.3.6/src/lparser.c --- lua-5.3.5/src/lparser.c 2017-04-29 15:11:40.000000000 -0300 +++ lua-5.3.6/src/lparser.c 2020-09-14 12:34:01.296948914 -0300 @@ -544,6 +544,7 @@ fs->bl = NULL; f = fs->f; f->source = ls->source; + luaC_objbarrier(ls->L, f, f->source); f->maxstacksize = 2; /* registers 0/1 are always valid */ enterblock(fs, bl, 0); } @@ -1616,6 +1617,7 @@ fs->f->is_vararg = 1; /* main function is always declared vararg */ init_exp(&v, VLOCAL, 0); /* create and... */ newupvalue(fs, ls->envn, &v); /* ...set environment upvalue */ + luaC_objbarrier(ls->L, fs->f, ls->envn); luaX_next(ls); /* read first token */ statlist(ls); /* parse main body */ check(ls, TK_EOS); @@ -1634,6 +1636,7 @@ sethvalue(L, L->top, lexstate.h); /* anchor it */ luaD_inctop(L); funcstate.f = cl->p = luaF_newproto(L); + luaC_objbarrier(L, cl, cl->p); funcstate.f->source = luaS_new(L, name); /* create and anchor TString */ lua_assert(iswhite(funcstate.f)); /* do not need barrier here */ lexstate.buff = buff; diff -u -r lua-5.3.5/src/lua.h lua-5.3.6/src/lua.h --- lua-5.3.5/src/lua.h 2018-06-13 13:58:17.000000000 -0300 +++ lua-5.3.6/src/lua.h 2020-09-14 12:34:01.607937477 -0300 @@ -1,5 +1,4 @@ /* -** $Id: lua.h,v 1.332.1.2 2018/06/13 16:58:17 roberto Exp $ ** Lua - A Scripting Language ** Lua.org, PUC-Rio, Brazil (http://www.lua.org) ** See Copyright Notice at the end of this file @@ -19,11 +18,11 @@ #define LUA_VERSION_MAJOR "5" #define LUA_VERSION_MINOR "3" #define LUA_VERSION_NUM 503 -#define LUA_VERSION_RELEASE "5" +#define LUA_VERSION_RELEASE "6" #define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR #define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE -#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2018 Lua.org, PUC-Rio" +#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2020 Lua.org, PUC-Rio" #define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes" @@ -460,7 +459,7 @@ /****************************************************************************** -* Copyright (C) 1994-2018 Lua.org, PUC-Rio. +* Copyright (C) 1994-2020 Lua.org, PUC-Rio. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the diff -u -r lua-5.3.5/src/lundump.c lua-5.3.6/src/lundump.c --- lua-5.3.5/src/lundump.c 2017-04-19 14:20:42.000000000 -0300 +++ lua-5.3.6/src/lundump.c 2020-09-14 12:34:01.676934939 -0300 @@ -85,8 +85,10 @@ } -static TString *LoadString (LoadState *S) { +static TString *LoadString (LoadState *S, Proto *p) { + lua_State *L = S->L; size_t size = LoadByte(S); + TString *ts; if (size == 0xFF) LoadVar(S, size); if (size == 0) @@ -94,13 +96,17 @@ else if (--size <= LUAI_MAXSHORTLEN) { /* short string? */ char buff[LUAI_MAXSHORTLEN]; LoadVector(S, buff, size); - return luaS_newlstr(S->L, buff, size); + ts = luaS_newlstr(L, buff, size); } else { /* long string */ - TString *ts = luaS_createlngstrobj(S->L, size); + ts = luaS_createlngstrobj(L, size); + setsvalue2s(L, L->top, ts); /* anchor it ('loadVector' can GC) */ + luaD_inctop(L); LoadVector(S, getstr(ts), size); /* load directly in final place */ - return ts; + L->top--; /* pop string */ } + luaC_objbarrier(L, p, ts); + return ts; } @@ -140,7 +146,7 @@ break; case LUA_TSHRSTR: case LUA_TLNGSTR: - setsvalue2n(S->L, o, LoadString(S)); + setsvalue2n(S->L, o, LoadString(S, f)); break; default: lua_assert(0); @@ -158,6 +164,7 @@ f->p[i] = NULL; for (i = 0; i < n; i++) { f->p[i] = luaF_newproto(S->L); + luaC_objbarrier(S->L, f, f->p[i]); LoadFunction(S, f->p[i], f->source); } } @@ -189,18 +196,18 @@ for (i = 0; i < n; i++) f->locvars[i].varname = NULL; for (i = 0; i < n; i++) { - f->locvars[i].varname = LoadString(S); + f->locvars[i].varname = LoadString(S, f); f->locvars[i].startpc = LoadInt(S); f->locvars[i].endpc = LoadInt(S); } n = LoadInt(S); for (i = 0; i < n; i++) - f->upvalues[i].name = LoadString(S); + f->upvalues[i].name = LoadString(S, f); } static void LoadFunction (LoadState *S, Proto *f, TString *psource) { - f->source = LoadString(S); + f->source = LoadString(S, f); if (f->source == NULL) /* no source in dump? */ f->source = psource; /* reuse parent's source */ f->linedefined = LoadInt(S); @@ -271,6 +278,7 @@ setclLvalue(L, L->top, cl); luaD_inctop(L); cl->p = luaF_newproto(L); + luaC_objbarrier(L, cl, cl->p); LoadFunction(&S, cl->p, NULL); lua_assert(cl->nupvalues == cl->p->sizeupvalues); luai_verifycode(L, buff, cl->p);

metamethods

environmentvariables

environment
variables