Merge lua-compat-5.3 v0.15.1

vendor/compat53/.github/dependabot.yml

@@ -0,0 +1,15 @@
+# Keep GitHub Actions up to date with GitHub's Dependabot...
+# https://docs.github.com/en/code-security/how-tos/secure-your-supply-chain/secure-your-dependencies/auto-update-actions
+# https://docs.github.com/en/code-security/reference/supply-chain-security/dependabot-options-reference#package-ecosystem
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    groups:
+      github-actions:
+        patterns:
+          - "*"  # Group all Actions updates into a single larger pull request
+    schedule:
+      interval: weekly
+    cooldown:  # https://nesbitt.io/2026/03/04/package-managers-need-to-cool-down.html
+      default-days: 7

vendor/compat53/.github/workflows/bit32-multi-arch-tests.yml

@@ -0,0 +1,53 @@
+name: bit32-multi-arch-tests
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+jobs:
+  bit32-test:
+    runs-on: ubuntu-latest
+    name: bit32 tests on ${{ matrix.luaVersion }} ${{ matrix.arch }}
+    strategy:
+      fail-fast: false
+      matrix:
+        luaVersion: ["5.1.5", "5.4.1"]
+        luaRocksVersion: ["3.3.1"]
+        arch: ["armv7", "aarch64"]
+    steps:
+      - uses: actions/checkout@v7
+      - uses: actions/cache@v6
+        id: lua-cache
+        with:
+          path: .install/${{ matrix.arch }}/lua-${{ matrix.luaVersion }}
+          key: lua-on-linux-${{ matrix.arch }}-${{ matrix.luaVersion }}
+      - uses: uraimo/run-on-arch-action@v3
+        with:
+          arch: ${{ matrix.arch }}
+          distro: ubuntu_rolling
+          githubToken: ${{ github.token }}
+          setup: |
+            mkdir -p ".install/${{ matrix.arch }}"
+          install: |
+            apt-get update -q -y
+            apt-get install -q -y curl unzip build-essential libreadline-dev libncurses-dev clang
+            rm -rf /var/lib/apt/lists/*
+          run: |
+            v() {
+              echo -n -e "\033[36m" >&2
+              echo -n "# $*" >&2
+              echo -e "\033[0m" >&2
+              "$@"
+            }
+            export CC=clang
+            if [ "${{ steps.lua-cache.outputs.cache-hit }}" != true ]; then
+              (set -o pipefail; cd ".install/${{ matrix.arch }}" && v curl --fail --silent --location "http://www.lua.org/ftp/lua-${{ matrix.luaVersion }}.tar.gz" | tar xzpf -)
+              (cd ".install/${{ matrix.arch }}/lua-${{ matrix.luaVersion }}" && v make linux)
+            fi
+            (cd ".install/${{ matrix.arch }}/lua-${{ matrix.luaVersion }}" && v make install)
+            (set -o pipefail; cd .install && v curl --fail --silent --location "http://luarocks.org/releases/luarocks-${{ matrix.luaRocksVersion }}.tar.gz" | tar xzpf -)
+            (cd ".install/luarocks-${{ matrix.luaRocksVersion }}" && v ./configure && v make bootstrap)
+            eval "$(luarocks path)"
+            v luarocks make rockspecs/bit32-scm-1.rockspec
+            v lua tests/test-bit32.lua
+

vendor/compat53/.github/workflows/compat53-tests.yml

@@ -0,0 +1,100 @@
+name: compat53-tests
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+jobs:
+  compat53-test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - luaVersion: "lua=5.1"
+            compiler: gcc
+            external: false
+          - luaVersion: "lua=5.1"
+            compiler: gcc
+            external: true
+          - luaVersion: "lua=5.1"
+            compiler: g++
+            external: true
+          - luaVersion: "lua=5.1"
+            compiler: clang
+            external: false
+          - luaVersion: "luajit=@v2.1 --compat=none"
+            compiler: gcc
+            external: false
+          - luaVersion: "luajit=@v2.1 --compat=none"
+            compiler: gcc
+            external: true
+          - luaVersion: "luajit=@v2.1 --compat=all"
+            compiler: gcc
+            external: false
+          - luaVersion: "luajit=@v2.1 --compat=all"
+            compiler: gcc
+            external: true
+          - luaVersion: "lua=5.2"
+            compiler: gcc
+            external: false
+          - luaVersion: "lua=5.2"
+            compiler: gcc
+            external: true
+          - luaVersion: "lua=5.2"
+            compiler: g++
+            external: true
+    steps:
+      - uses: actions/checkout@v7
+      - name: install Lua
+        run: |
+          sudo apt install libreadline-dev
+          pip3 install --user hererocks
+          ~/.local/bin/hererocks old --${{ matrix.luaVersion }}
+          test -e old/bin/lua || (cd old/bin && ln -s luajit* lua)
+          ~/.local/bin/hererocks new --lua=5.3
+      - name: compile C modules
+        run: |
+          export CC=${{ matrix.compiler }} CFLAGS="-Wall -Wextra -Ic-api -O2 -fPIC"
+          export DEF="" SRC=""
+          if [ "${{ matrix.external }}" = true ]; then DEF="-DCOMPAT53_PREFIX=compat53" SRC="c-api/compat-5.3.c"; fi
+          ${CC} ${CFLAGS} -Iold/include ${DEF} -shared -o old/testmod.so tests/testmod.c ${SRC}
+          ${CC} ${CFLAGS} -Inew/include ${DEF} -shared -o new/testmod.so tests/testmod.c ${SRC}
+          ${CC} ${CFLAGS} -Iold/include ${DEF} -shared -o old/compat53.so ltablib.c lutf8lib.c lstrlib.c liolib.c ${SRC}
+      - name: run test scripts
+        run: |
+          (cd old && bin/lua ../tests/test.lua) > old.txt
+          (cd new && bin/lua ../tests/test.lua) > new.txt
+      - name: compare script output
+        run: diff old.txt new.txt || true
+
+  compat53-install:
+    strategy:
+      fail-fast: false  # https://github.com/actions/runner-images#available-images
+      matrix:  # https://www.lua.org/versions.html
+        os: [ubuntu-latest]
+        lua-version: [5.1, 5.2, 5.3, 5.4, 5.5]
+        include:
+          - os: macos-latest
+            lua-version: 5.1
+          - os: macos-latest
+            lua-version: 5.5
+    runs-on: ${{ matrix.os }}
+    steps:
+      - run: echo "${{ runner.os }} on ${{ runner.arch }}"
+      - uses: actions/checkout@v7
+      - uses: luarocks/gh-actions-lua@master
+        with:
+          luaVersion: ${{ matrix.lua-version }}
+      - uses: luarocks/gh-actions-luarocks@master
+        with:
+          luaRocksVersion: "3.13.0"
+      - run: lua -v && luarocks --version
+      - run: luarocks lint rockspecs/compat53-scm-1.rockspec
+      # Install the local version of compat53.
+      - run: luarocks --local make rockspecs/compat53-scm-1.rockspec
+      - run: luarocks list && luarocks show compat53
+      - run: luarocks --local remove compat53
+      # Install the public version of compat53.
+      - run: luarocks install --check-lua-versions compat53
+      - run: luarocks list && luarocks show compat53

vendor/compat53/.travis.yml

@@ -38,7 +38,7 @@ install:
   - if [ "x${EXTERNAL:-}" = xtrue ]; then DEF="-DCOMPAT53_PREFIX=compat53" SRC="c-api/compat-5.3.c"; fi
   - ${CC} ${CFLAGS} -Iold/include ${DEF} -shared -o old/testmod.so tests/testmod.c ${SRC}
   - ${CC} ${CFLAGS} -Inew/include ${DEF} -shared -o new/testmod.so tests/testmod.c ${SRC}
-  - gcc ${CFLAGS} -Iold/include ${DEF} -shared -o old/compat53.so ltablib.c lutf8lib.c lstrlib.c ${SRC}
+  - gcc ${CFLAGS} -Iold/include ${DEF} -shared -o old/compat53.so ltablib.c lutf8lib.c lstrlib.c liolib.c ${SRC}
 
 script:
   - (cd old && bin/lua ../tests/test.lua) > old.txt

vendor/compat53/LICENSE

@@ -1,6 +1,7 @@
 The MIT License (MIT)
 
-Copyright (c) 2015 Kepler Project.
+Copyright (C) 1994-2020 Lua.org, PUC-Rio.
+Copyright (C) 2013-2023 The Lua-Compat-5.3 authors.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in

vendor/compat53/README.md

@@ -1,4 +1,5 @@
-[![Build Status](https://travis-ci.org/keplerproject/lua-compat-5.3.svg?branch=master)](https://travis-ci.org/keplerproject/lua-compat-5.3)
+[![Compat53 Status](https://github.com/lunarmodules/lua-compat-5.3/workflows/compat53-tests/badge.svg)](https://github.com/lunarmodules/lua-compat-5.3/actions?workflow=compat53-tests)
+[![Bit32 Status](https://github.com/lunarmodules/lua-compat-5.3/workflows/bit32-multi-arch-tests/badge.svg)](https://github.com/lunarmodules/lua-compat-5.3/actions?workflow=bit32-multi-arch-tests)
 
 # lua-compat-5.3
 
@@ -116,6 +117,8 @@ For Lua 5.1 additionally:
 * `io.write` and `file:write` return file handle
 * `io.lines` and `file:lines` accept format arguments (like `io.read`)
   (see [here][10] and [here][11])
+* `file:close` returns three results when a process is opened
+  with `io.popen`
 * `debug.setmetatable` returns object
 * `debug.getuservalue` (see [here][12])
 * `debug.setuservalue` (see [here][13])
@@ -214,27 +217,27 @@ This package contains code written by:
 
 
   [1]: http://www.inf.puc-rio.br/~roberto/struct/
-  [2]: http://github.com/keplerproject/lua-compat-5.2/
-  [3]: http://keplerproject.org/compat/
-  [4]: https://github.com/keplerproject/lua-compat-5.3/wiki/string_packing
-  [5]: https://github.com/keplerproject/lua-compat-5.3/wiki/math.type
-  [6]: https://github.com/keplerproject/lua-compat-5.3/wiki/pattern_matching
-  [7]: https://github.com/keplerproject/lua-compat-5.3/wiki/pairs
-  [8]: https://github.com/keplerproject/lua-compat-5.3/wiki/package.searchpath
-  [9]: https://github.com/keplerproject/lua-compat-5.3/wiki/os.execute
-  [10]: https://github.com/keplerproject/lua-compat-5.3/wiki/io.lines
-  [11]: https://github.com/keplerproject/lua-compat-5.3/wiki/file.lines
-  [12]: https://github.com/keplerproject/lua-compat-5.3/wiki/debug.getuservalue
-  [13]: https://github.com/keplerproject/lua-compat-5.3/wiki/debug.setuservalue
-  [14]: https://github.com/keplerproject/lua-compat-5.3/wiki/yieldable_c_functions
-  [15]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_dump
-  [16]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_getuservalue
-  [17]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_setuservalue
-  [18]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_stringtonumber
-  [19]: https://github.com/keplerproject/lua-compat-5.3/wiki/luaL_Stream
-  [20]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_arith
-  [21]: https://github.com/keplerproject/lua-compat-5.3/wiki/luaL_checkversion
-  [22]: https://github.com/keplerproject/lua-compat-5.3/wiki/luaL_Buffer
-  [23]: https://github.com/keplerproject/lua-compat-5.3/wiki/coroutine.running
-  [24]: https://github.com/keplerproject/lua-compat-5.3/wiki/lua_getextraspace
+  [2]: http://github.com/lunarmodules/lua-compat-5.2/
+  [3]: http://lunarmodules.org/compat/
+  [4]: https://github.com/lunarmodules/lua-compat-5.3/wiki/string_packing
+  [5]: https://github.com/lunarmodules/lua-compat-5.3/wiki/math.type
+  [6]: https://github.com/lunarmodules/lua-compat-5.3/wiki/pattern_matching
+  [7]: https://github.com/lunarmodules/lua-compat-5.3/wiki/pairs
+  [8]: https://github.com/lunarmodules/lua-compat-5.3/wiki/package.searchpath
+  [9]: https://github.com/lunarmodules/lua-compat-5.3/wiki/os.execute
+  [10]: https://github.com/lunarmodules/lua-compat-5.3/wiki/io.lines
+  [11]: https://github.com/lunarmodules/lua-compat-5.3/wiki/file.lines
+  [12]: https://github.com/lunarmodules/lua-compat-5.3/wiki/debug.getuservalue
+  [13]: https://github.com/lunarmodules/lua-compat-5.3/wiki/debug.setuservalue
+  [14]: https://github.com/lunarmodules/lua-compat-5.3/wiki/yieldable_c_functions
+  [15]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_dump
+  [16]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_getuservalue
+  [17]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_setuservalue
+  [18]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_stringtonumber
+  [19]: https://github.com/lunarmodules/lua-compat-5.3/wiki/luaL_Stream
+  [20]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_arith
+  [21]: https://github.com/lunarmodules/lua-compat-5.3/wiki/luaL_checkversion
+  [22]: https://github.com/lunarmodules/lua-compat-5.3/wiki/luaL_Buffer
+  [23]: https://github.com/lunarmodules/lua-compat-5.3/wiki/coroutine.running
+  [24]: https://github.com/lunarmodules/lua-compat-5.3/wiki/lua_getextraspace
 

vendor/compat53/c-api/compat-5.3.c

@@ -28,9 +28,10 @@
 #endif /* VC++ _fsopen for share-allowed file read */
 
 #ifndef COMPAT53_HAVE_STRERROR_R
-#  if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || \
+#  if (!defined(_WIN32)) && \
+      ((defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || \
       (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600) || \
-      defined(__APPLE__)
+      defined(__APPLE__))
 #    define COMPAT53_HAVE_STRERROR_R 1
 #  else /* none of the defines matched: define to 0 */
 #    define COMPAT53_HAVE_STRERROR_R 0
@@ -715,6 +716,14 @@ void luaL_pushresult (luaL_Buffer_53 *B) {
 #if defined( LUA_VERSION_NUM ) && LUA_VERSION_NUM <= 502
 
 
+COMPAT53_API const char *lua_pushlstring (lua_State *L, const char *s, size_t len) {
+#undef lua_pushlstring
+  lua_pushlstring(L, len > 0 ? s : "", len);
+#define lua_pushlstring COMPAT53_CONCAT(COMPAT53_PREFIX, _pushlstring_53)
+  return lua_tostring(L, -1);
+}
+
+
 COMPAT53_API int lua_geti (lua_State *L, int index, lua_Integer i) {
   index = lua_absindex(L, index);
   lua_pushinteger(L, i);

vendor/compat53/c-api/compat-5.3.h

@@ -142,9 +142,6 @@ COMPAT53_API void lua_len (lua_State *L, int i);
 #define lua_pushstring(L, s) \
   (lua_pushstring((L), (s)), lua_tostring((L), -1))
 
-#define lua_pushlstring(L, s, len) \
-  ((((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len))), lua_tostring((L), -1))
-
 #ifndef luaL_newlibtable
 #  define luaL_newlibtable(L, l) \
   (lua_createtable((L), 0, sizeof((l))/sizeof(*(l))-1))
@@ -290,6 +287,9 @@ typedef int (*lua_KFunction)(lua_State *L, int status, lua_KContext ctx);
 #define lua_gettable(L, i) \
   (lua_gettable((L), (i)), lua_type((L), -1))
 
+#define lua_pushlstring COMPAT53_CONCAT(COMPAT53_PREFIX, _pushlstring_53)
+COMPAT53_API const char *lua_pushlstring (lua_State *L, const char *s, size_t len);
+
 #define lua_geti COMPAT53_CONCAT(COMPAT53_PREFIX, _geti)
 COMPAT53_API int lua_geti (lua_State *L, int index, lua_Integer i);
 
@@ -352,9 +352,6 @@ COMPAT53_API void luaL_requiref (lua_State *L, const char *modname,
 #define lua_getuservalue(L, i) \
   (lua_getuservalue((L), (i)), lua_type((L), -1))
 
-#define lua_pushlstring(L, s, len) \
-  (((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len)))
-
 #define lua_rawgetp(L, i, p) \
   (lua_rawgetp((L), (i), (p)), lua_type((L), -1))
 
@@ -398,12 +395,32 @@ COMPAT53_API void luaL_requiref (lua_State *L, const char *modname,
 
 
 
+/* declarations for Lua 5.5 */
+#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM >= 505
+
+/*
+** Internal assertions for in-house debugging
+*/
+#if defined LUAI_ASSERT
+#  undef NDEBUG
+#  include <assert.h>
+#  define lua_assert(c)           assert(c)
+#endif
+
+#if !defined(lua_assert)
+#  define lua_assert(c)           ((void)0)
+#endif
+
+#endif /* Lua 5.5 only */
+
+
+
 /* other Lua versions */
-#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 504
+#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 505
 
-#  error "unsupported Lua version (i.e. not Lua 5.1, 5.2, 5.3, or 5.4)"
+#  error "unsupported Lua version (i.e. not Lua 5.1, 5.2, 5.3, 5.4, or 5.5)"
 
-#endif /* other Lua versions except 5.1, 5.2, 5.3, and 5.4 */
+#endif /* other Lua versions except 5.1, 5.2, 5.3, 5.4, and 5.5 */