lua: introduce vim.loop (expose libuv event-loop) #10123

Co-authored-by: Andrey Popp <8mayday@gmail.com>

closes #9546
closes #10084

3 files changed, 31 insertions, 6 deletions

diff --git a/third-party/CMakeLists.txt b/third-party/CMakeLists.txt
index db4dae4b39..21a1752054 100644
--- a/third-party/CMakeLists.txt
+++ b/third-party/CMakeLists.txt
@@ -154,8 +154,11 @@ set(LIBTERMKEY_SHA256 cecbf737f35d18f433c8d7864f63c0f878af41f8bd0255a3ebb16010dc
 set(LIBVTERM_URL https://github.com/neovim/libvterm/archive/b45b648cab73f9667bde7c0c6045b285e22b3ecd.tar.gz)
 set(LIBVTERM_SHA256 37cc123deff29327efa654358c2ebaaf8589da03754ca5adb8ec47be386a0433)
 
-set(LUV_URL https://github.com/luvit/luv/archive/1.9.1-1.tar.gz)
-set(LUV_SHA256 562b9efaad30aa051a40eac9ade0c3df48bb8186763769abe47ec3fb3edb1268)
+set(LUV_URL https://github.com/luvit/luv/archive/1.29.1-2.tar.gz)
+set(LUV_SHA256 e75d8fd2a14433bb798900a71e45318b3c0b8c2ef2c1c43593482ce95b4999e2)
+
+set(LUA_COMPAT53_URL https://github.com/keplerproject/lua-compat-5.3/archive/v0.7.tar.gz)
+set(LUA_COMPAT53_SHA256 bec3a23114a3d9b3218038309657f0f506ad10dfbc03bb54e91da7e5ffdba0a2)
 
 set(GPERF_URL https://github.com/neovim/deps/raw/ff5b4b18a87397a8564016071ae64f64bcd8c635/opt/gperf-3.1.tar.gz)
 set(GPERF_SHA256 588546b945bba4b70b6a3a616e80b4ab466e3f33024a352fc2198112cdbb3ae2)
diff --git a/third-party/cmake/BuildLuarocks.cmake b/third-party/cmake/BuildLuarocks.cmake
index de4db35bfd..3ef7c6300e 100644
--- a/third-party/cmake/BuildLuarocks.cmake
+++ b/third-party/cmake/BuildLuarocks.cmake
@@ -182,7 +182,7 @@ if(USE_BUNDLED_BUSTED)
   add_custom_target(luacheck
     DEPENDS ${LUACHECK_EXE})
 
-  set(LUV_DEPS luacheck luv-static)
+  set(LUV_DEPS luacheck luv-static lua-compat-5.3)
   if(MINGW AND CMAKE_CROSSCOMPILING)
     set(LUV_DEPS ${LUV_DEPS} libuv_host)
   endif()
@@ -191,9 +191,10 @@ if(USE_BUNDLED_BUSTED)
     list(APPEND LUV_ARGS LIBUV_DIR=${HOSTDEPS_INSTALL_DIR})
   endif()
   # DEPENDS on the previous module, because Luarocks breaks if parallel.
+  SET(LUV_PRIVATE_ARGS LUA_COMPAT53_INCDIR=${DEPS_BUILD_DIR}/src/lua-compat-5.3)
   add_custom_command(OUTPUT ${HOSTDEPS_LIB_DIR}/luarocks/rocks/luv
     COMMAND ${LUAROCKS_BINARY}
-    ARGS make ${LUAROCKS_BUILDARGS} ${LUV_ARGS}
+    ARGS make ${LUAROCKS_BUILDARGS} ${LUV_ARGS} ${LUV_PRIVATE_ARGS}
     WORKING_DIRECTORY ${DEPS_BUILD_DIR}/src/luv
     DEPENDS ${LUV_DEPS})
   add_custom_target(luv
diff --git a/third-party/cmake/BuildLuv.cmake b/third-party/cmake/BuildLuv.cmake
index a62ee72f91..5de5ddbf9c 100644
--- a/third-party/cmake/BuildLuv.cmake
+++ b/third-party/cmake/BuildLuv.cmake
@@ -15,8 +15,26 @@ function(BuildLuv)
     message(FATAL_ERROR "Must pass at least one of CONFIGURE_COMMAND, BUILD_COMMAND, INSTALL_COMMAND")
   endif()
 
+  ExternalProject_Add(lua-compat-5.3
+    PREFIX ${DEPS_BUILD_DIR}
+    URL ${LUA_COMPAT53_URL}
+    DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/lua-compat-5.3
+    DOWNLOAD_COMMAND ${CMAKE_COMMAND}
+      -DPREFIX=${DEPS_BUILD_DIR}
+      -DDOWNLOAD_DIR=${DEPS_DOWNLOAD_DIR}/lua-compat-5.3
+      -DURL=${LUA_COMPAT53_URL}
+      -DEXPECTED_SHA256=${LUA_COMPAT53_SHA256}
+      -DTARGET=lua-compat-5.3
+      -DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
+      -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
+    PATCH_COMMAND ""
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND ""
+    INSTALL_COMMAND "")
+
   ExternalProject_Add(luv-static
     PREFIX ${DEPS_BUILD_DIR}
+    DEPENDS lua-compat-5.3
     URL ${LUV_URL}
     DOWNLOAD_DIR ${DEPS_DOWNLOAD_DIR}/luv
     DOWNLOAD_COMMAND ${CMAKE_COMMAND}
@@ -94,9 +112,12 @@ endif()
 
 if(CMAKE_GENERATOR MATCHES "Unix Makefiles" AND
         (CMAKE_SYSTEM_NAME MATCHES ".*BSD" OR CMAKE_SYSTEM_NAME MATCHES "DragonFly"))
-  set(LUV_BUILD_COMMAND ${CMAKE_COMMAND} "-DCMAKE_MAKE_PROGRAM=gmake" --build .)
+        set(LUV_BUILD_COMMAND ${CMAKE_COMMAND}
+          "-DLUA_COMPAT53_DIR=${DEPS_BUILD_DIR}/src/lua-compat-5.3"
+          "-DCMAKE_MAKE_PROGRAM=gmake" --build .)
 else()
-  set(LUV_BUILD_COMMAND ${CMAKE_COMMAND} --build .)
+  set(LUV_BUILD_COMMAND ${CMAKE_COMMAND}
+    "-DLUA_COMPAT53_DIR=${DEPS_BUILD_DIR}/src/lua-compat-5.3" --build .)
 endif()
 set(LUV_INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install)