From fd444d72db6d892bdfea781426e2f716f08da459 Mon Sep 17 00:00:00 2001 From: Marko Lindqvist Date: Tue, 1 Sep 2026 00:32:27 +0300 Subject: [PATCH 29/29] Update included lua to version 5.4.9 See RM #2196 Signed-off-by: Marko Lindqvist --- dependencies/lua-5.4/Makefile.am | 4 ++-- dependencies/lua-5.4/README | 2 +- dependencies/lua-5.4/Version.txt | 8 +++---- dependencies/lua-5.4/doc/OSIApproved.png | Bin 0 -> 10427 bytes .../lua-5.4/doc/OSIApproved_100X125.png | Bin 12127 -> 0 bytes .../lua-5.4/doc/{logo.gif => logo.png} | Bin dependencies/lua-5.4/doc/readme.html | 16 ++++++------- dependencies/lua-5.4/src/lapi.c | 1 + dependencies/lua-5.4/src/lauxlib.c | 17 ++++++++++++-- dependencies/lua-5.4/src/ldo.c | 21 +++++++++++++++++- dependencies/lua-5.4/src/ldo.h | 1 + dependencies/lua-5.4/src/lgc.c | 7 +++--- dependencies/lua-5.4/src/lstate.c | 17 +++++++++----- dependencies/lua-5.4/src/lstate.h | 2 +- dependencies/lua-5.4/src/lstrlib.c | 3 +-- dependencies/lua-5.4/src/lua.h | 8 +++---- dependencies/lua-5.4/src/lutf8lib.c | 4 +++- dependencies/lua-5.4/src/lvm.c | 7 +++++- 18 files changed, 82 insertions(+), 36 deletions(-) create mode 100644 dependencies/lua-5.4/doc/OSIApproved.png delete mode 100644 dependencies/lua-5.4/doc/OSIApproved_100X125.png rename dependencies/lua-5.4/doc/{logo.gif => logo.png} (100%) diff --git a/dependencies/lua-5.4/Makefile.am b/dependencies/lua-5.4/Makefile.am index 2b96942f27..0d9c5659db 100644 --- a/dependencies/lua-5.4/Makefile.am +++ b/dependencies/lua-5.4/Makefile.am @@ -6,5 +6,5 @@ EXTRA_DIST = Version.txt \ freeciv_lua.patch \ doc/readme.html \ doc/lua.css \ - doc/logo.gif \ - doc/OSIApproved_100X125.png + doc/logo.png \ + doc/OSIApproved.png diff --git a/dependencies/lua-5.4/README b/dependencies/lua-5.4/README index b251d296f6..da3d45b813 100644 --- a/dependencies/lua-5.4/README +++ b/dependencies/lua-5.4/README @@ -1,5 +1,5 @@ -This is Lua 5.4.8, released on 21 May 2025. +This is Lua 5.4.9, released on 10 Aug 2026. 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-Lua +Lua Welcome to Lua 5.4

@@ -86,8 +86,8 @@ form. You need to build it before using it. Building Lua should be straightforward because -Lua is implemented in pure ANSI C and compiles unmodified in all known -platforms that have an ANSI C compiler. +Lua is implemented in pure ISO C and compiles unmodified in all known +platforms that have an ISO C compiler. Lua also compiles unmodified as C++. The instructions given below for building Lua are for Unix-like platforms, such as Linux and macOS. @@ -109,7 +109,7 @@ Here are the details.
  1. Open a terminal window and move to -the top-level directory, which is named lua-5.4.8. +the top-level directory, which is named lua-5.4.9. The Makefile there controls both the build process and the installation process.

  2. @@ -287,7 +287,7 @@ lists the

    License

    -[Open Source Initiative Approved License] +[Open Source Initiative Approved License] Lua is free software distributed under the terms of the MIT license @@ -302,7 +302,7 @@ For details, see the license page.

    -Copyright © 1994–2025 Lua.org, PUC-Rio. +Copyright © 1994–2026 Lua.org, PUC-Rio.

    Permission is hereby granted, free of charge, to any person obtaining a copy @@ -329,10 +329,10 @@ THE SOFTWARE.

    Last update: -Wed May 21 21:12:01 UTC 2025 +Wed Aug 5 21:42:45 UTC 2026

    diff --git a/dependencies/lua-5.4/src/lapi.c b/dependencies/lua-5.4/src/lapi.c index 04e09cff7e..588ab33395 100644 --- a/dependencies/lua-5.4/src/lapi.c +++ b/dependencies/lua-5.4/src/lapi.c @@ -1089,6 +1089,7 @@ LUA_API int lua_load (lua_State *L, lua_Reader reader, void *data, ZIO z; int status; lua_lock(L); + luaC_checkGC(L); if (!chunkname) chunkname = "?"; luaZ_init(L, &z, reader, data); status = luaD_protectedparser(L, &z, chunkname, mode); diff --git a/dependencies/lua-5.4/src/lauxlib.c b/dependencies/lua-5.4/src/lauxlib.c index 923105ed31..f9a4538436 100644 --- a/dependencies/lua-5.4/src/lauxlib.c +++ b/dependencies/lua-5.4/src/lauxlib.c @@ -501,12 +501,25 @@ static const luaL_Reg boxmt[] = { /* box metamethods */ }; +/* +** Get/create metatable (MT) for boxes +*/ +static void getBoxMT (lua_State *L) { + const char *BOXMT = "_UBOX*"; /* key for the metatable */ + if (luaL_getmetatable(L, BOXMT) == LUA_TNIL) { /* MT not created yet? */ + luaL_newlibtable(L, boxmt); /* create it */ + luaL_setfuncs(L, boxmt, 0); /* initialize it */ + lua_copy(L, -1, -2); /* change stack from nil,MT to MT,MT */ + lua_setfield(L, LUA_REGISTRYINDEX, BOXMT); /* store MT in the registry */ + } +} + + static void newbox (lua_State *L) { UBox *box = (UBox *)lua_newuserdatauv(L, sizeof(UBox), 0); box->box = NULL; box->bsize = 0; - if (luaL_newmetatable(L, "_UBOX*")) /* creating metatable? */ - luaL_setfuncs(L, boxmt, 0); /* set its metamethods */ + getBoxMT(L); lua_setmetatable(L, -2); } diff --git a/dependencies/lua-5.4/src/ldo.c b/dependencies/lua-5.4/src/ldo.c index 90f98f8d8a..eaa8553c71 100644 --- a/dependencies/lua-5.4/src/ldo.c +++ b/dependencies/lua-5.4/src/ldo.c @@ -205,6 +205,25 @@ l_noret luaD_errerr (lua_State *L) { } +/* +** Check whether stacks have enough space to run a simple function (such +** as a finalizer): At least BASIC_STACK_SIZE in the Lua stack, two +** available CallInfos, and two "slots" in the C stack. +*/ +int luaD_checkminstack (lua_State *L) { + if (getCcalls(L) >= LUAI_MAXCCALLS - 2) + return 0; /* not enough C-stack slots */ + if (L->ci->next == NULL && luaE_extendCI(L, 0) == NULL) + return 0; /* unable to allocate first ci */ + if (L->ci->next->next == NULL && luaE_extendCI(L, 0) == NULL) + return 0; /* unable to allocate second ci */ + if (L->stack_last.p - L->top.p >= BASIC_STACK_SIZE) + return 1; /* enough (BASIC_STACK_SIZE) free slots in the Lua stack */ + else /* try to grow stack to a size with enough free slots */ + return luaD_growstack(L, BASIC_STACK_SIZE, 0); +} + + /* ** Reallocate the stack to a new size, correcting all pointers into it. ** In ISO C, any pointer use after the pointer has been deallocated is @@ -503,7 +522,7 @@ void luaD_poscall (lua_State *L, CallInfo *ci, int nres) { -#define next_ci(L) (L->ci->next ? L->ci->next : luaE_extendCI(L)) +#define next_ci(L) (L->ci->next ? L->ci->next : luaE_extendCI(L, 1)) l_sinline CallInfo *prepCallInfo (lua_State *L, StkId func, int nret, diff --git a/dependencies/lua-5.4/src/ldo.h b/dependencies/lua-5.4/src/ldo.h index 4de9540ec8..4c8db865fc 100644 --- a/dependencies/lua-5.4/src/ldo.h +++ b/dependencies/lua-5.4/src/ldo.h @@ -80,6 +80,7 @@ LUAI_FUNC int luaD_reallocstack (lua_State *L, int newsize, int raiseerror); LUAI_FUNC int luaD_growstack (lua_State *L, int n, int raiseerror); LUAI_FUNC void luaD_shrinkstack (lua_State *L); LUAI_FUNC void luaD_inctop (lua_State *L); +LUAI_FUNC int luaD_checkminstack (lua_State *L); LUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode); LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud); diff --git a/dependencies/lua-5.4/src/lgc.c b/dependencies/lua-5.4/src/lgc.c index c01660abc5..52cea2400b 100644 --- a/dependencies/lua-5.4/src/lgc.c +++ b/dependencies/lua-5.4/src/lgc.c @@ -1242,7 +1242,7 @@ static void finishgencycle (lua_State *L, global_State *g) { correctgraylists(g); checkSizes(L, g); g->gcstate = GCSpropagate; /* skip restart */ - if (!g->gcemergency) + if (g->tobefnz != NULL && !g->gcemergency && luaD_checkminstack(L)) callallpendingfinalizers(L); } @@ -1632,11 +1632,12 @@ static lu_mem singlestep (lua_State *L) { break; } case GCScallfin: { /* call remaining finalizers */ - if (g->tobefnz && !g->gcemergency) { + if (g->tobefnz && !g->gcemergency && luaD_checkminstack(L)) { g->gcstopem = 0; /* ok collections during finalizers */ work = runafewfinalizers(L, GCFINMAX) * GCFINALIZECOST; } - else { /* emergency mode or no more finalizers */ + else { /* no more finalizers or emergency mode or no enough stack + to run finalizers */ g->gcstate = GCSpause; /* finish collection */ work = 0; } diff --git a/dependencies/lua-5.4/src/lstate.c b/dependencies/lua-5.4/src/lstate.c index f3f2ccfdd5..059be806e3 100644 --- a/dependencies/lua-5.4/src/lstate.c +++ b/dependencies/lua-5.4/src/lstate.c @@ -102,14 +102,19 @@ LUA_API int lua_setcstacklimit (lua_State *L, unsigned int limit) { } -CallInfo *luaE_extendCI (lua_State *L) { +CallInfo *luaE_extendCI (lua_State *L, int err) { CallInfo *ci; - lua_assert(L->ci->next == NULL); - ci = luaM_new(L, CallInfo); - lua_assert(L->ci->next == NULL); - L->ci->next = ci; + ci = luaM_reallocvector(L, NULL, 0, 1, CallInfo); + if (l_unlikely(ci == NULL)) { /* allocation failed? */ + if (err) + luaM_error(L); /* raise the error */ + return NULL; /* else only report it */ + } + ci->next = L->ci->next; ci->previous = L->ci; - ci->next = NULL; + L->ci->next = ci; + if (ci->next) + ci->next->previous = ci; ci->u.l.trap = 0; L->nci++; return ci; diff --git a/dependencies/lua-5.4/src/lstate.h b/dependencies/lua-5.4/src/lstate.h index 007704c826..97bb3e8f20 100644 --- a/dependencies/lua-5.4/src/lstate.h +++ b/dependencies/lua-5.4/src/lstate.h @@ -395,7 +395,7 @@ union GCUnion { LUAI_FUNC void luaE_setdebt (global_State *g, l_mem debt); LUAI_FUNC void luaE_freethread (lua_State *L, lua_State *L1); -LUAI_FUNC CallInfo *luaE_extendCI (lua_State *L); +LUAI_FUNC CallInfo *luaE_extendCI (lua_State *L, int err); LUAI_FUNC void luaE_shrinkCI (lua_State *L); LUAI_FUNC void luaE_checkcstack (lua_State *L); LUAI_FUNC void luaE_incCstack (lua_State *L); diff --git a/dependencies/lua-5.4/src/lstrlib.c b/dependencies/lua-5.4/src/lstrlib.c index 03167161df..f748bf8821 100644 --- a/dependencies/lua-5.4/src/lstrlib.c +++ b/dependencies/lua-5.4/src/lstrlib.c @@ -757,7 +757,6 @@ static int nospecials (const char *p, size_t l) { static void prepstate (MatchState *ms, lua_State *L, const char *s, size_t ls, const char *p, size_t lp) { ms->L = L; - ms->matchdepth = MAXCCALLS; ms->src_init = s; ms->src_end = s + ls; ms->p_end = p + lp; @@ -765,8 +764,8 @@ static void prepstate (MatchState *ms, lua_State *L, static void reprepstate (MatchState *ms) { + ms->matchdepth = MAXCCALLS; ms->level = 0; - lua_assert(ms->matchdepth == MAXCCALLS); } diff --git a/dependencies/lua-5.4/src/lua.h b/dependencies/lua-5.4/src/lua.h index f3ea590d9c..211b97cff5 100644 --- a/dependencies/lua-5.4/src/lua.h +++ b/dependencies/lua-5.4/src/lua.h @@ -18,14 +18,14 @@ #define LUA_VERSION_MAJOR "5" #define LUA_VERSION_MINOR "4" -#define LUA_VERSION_RELEASE "8" +#define LUA_VERSION_RELEASE "9" #define LUA_VERSION_NUM 504 -#define LUA_VERSION_RELEASE_NUM (LUA_VERSION_NUM * 100 + 8) +#define LUA_VERSION_RELEASE_NUM (LUA_VERSION_NUM * 100 + 9) #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) 1994-2025 Lua.org, PUC-Rio" +#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2026 Lua.org, PUC-Rio" #define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes" @@ -497,7 +497,7 @@ struct lua_Debug { /****************************************************************************** -* Copyright (C) 1994-2025 Lua.org, PUC-Rio. +* Copyright (C) 1994-2026 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 --git a/dependencies/lua-5.4/src/lutf8lib.c b/dependencies/lua-5.4/src/lutf8lib.c index 3a5b9bc38a..e41a8255bc 100644 --- a/dependencies/lua-5.4/src/lutf8lib.c +++ b/dependencies/lua-5.4/src/lutf8lib.c @@ -65,6 +65,8 @@ static const char *utf8_decode (const char *s, utfint *val, int strict) { utfint res = 0; /* final result */ if (c < 0x80) /* ascii? */ res = c; + else if (c >= 0xfe) /* c >= 1111 1110b ? */ + return NULL; /* would need six or more continuation bytes */ else { int count = 0; /* to count number of continuation bytes */ for (; c & 0x40; c <<= 1) { /* while it needs continuation bytes... */ @@ -74,7 +76,7 @@ static const char *utf8_decode (const char *s, utfint *val, int strict) { res = (res << 6) | (cc & 0x3F); /* add lower 6 bits from cont. byte */ } res |= ((utfint)(c & 0x7F) << (count * 5)); /* add first byte */ - if (count > 5 || res > MAXUTF || res < limits[count]) + if (res > MAXUTF || res < limits[count]) return NULL; /* invalid byte sequence */ s += count; /* skip continuation bytes read */ } diff --git a/dependencies/lua-5.4/src/lvm.c b/dependencies/lua-5.4/src/lvm.c index 7023a04da8..bbadf0a6b7 100644 --- a/dependencies/lua-5.4/src/lvm.c +++ b/dependencies/lua-5.4/src/lvm.c @@ -361,7 +361,12 @@ void luaV_finishset (lua_State *L, const TValue *t, TValue *key, } t = tm; /* else repeat assignment over 'tm' */ if (luaV_fastget(L, t, key, slot, luaH_get)) { - luaV_finishfastset(L, t, slot, val); + /* execute 'luaV_finishfastset', but preserving the original 't' + for the barrier. 't' and 'slot' can point to the same value, + and so the assignment can change 't' value */ + GCObject *h = gcvalue(t); + setobj2t(L, cast(TValue *,slot), val); + luaC_barrierback(L, h, val); return; /* done */ } /* else 'return luaV_finishset(L, t, key, val, slot)' (loop) */ -- 2.53.0