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-rw-r--r--lib/lua/CMakeLists.txt25
-rw-r--r--lib/lua/src/CMakeLists.txt18
-rw-r--r--lib/lua/src/luaconf.h14
-rw-r--r--src/unittest/CMakeLists.txt1
-rw-r--r--src/unittest/test_lua.cpp79
5 files changed, 103 insertions, 34 deletions
diff --git a/lib/lua/CMakeLists.txt b/lib/lua/CMakeLists.txt
index 5d0dc0f70..2de4840cb 100644
--- a/lib/lua/CMakeLists.txt
+++ b/lib/lua/CMakeLists.txt
@@ -1,12 +1,10 @@
-project(lua C)
+project(lua CXX)
set(LUA_VERSION_MAJOR 5)
set(LUA_VERSION_MINOR 1)
set(LUA_VERSION_PATCH 4)
set(LUA_VERSION "${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}.${LUA_VERSION_PATCH}")
-set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
-
set(COMMON_CFLAGS)
set(COMMON_LDFLAGS)
set(LIBS)
@@ -50,19 +48,12 @@ if(LUA_ANSI)
set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_ANSI")
endif(LUA_ANSI)
-# COMMON_CFLAGS has no effect without this line
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_CFLAGS}")
-
-
-# Standard flags to use for each build type.
-if(CMAKE_COMPILER_IS_GNUCC)
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic -std=gnu99")
- set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2")
- set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g")
- set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_PROFILE} -O1 -g")
- set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} -O2 -g")
-endif(CMAKE_COMPILER_IS_GNUCC)
-
+# Standard flags to use
+if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|(Apple)?Clang")
+ set(COMMON_CFLAGS "${COMMON_CFLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic")
+endif()
-add_subdirectory(src build)
+# COMMON_CFLAGS has no effect without this line
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_CFLAGS}")
+add_subdirectory(src)
diff --git a/lib/lua/src/CMakeLists.txt b/lib/lua/src/CMakeLists.txt
index 8f6cc1213..2ca4f4168 100644
--- a/lib/lua/src/CMakeLists.txt
+++ b/lib/lua/src/CMakeLists.txt
@@ -31,24 +31,14 @@ set(LUA_CORE_SRC
lvm.c
lzio.c
)
-set(LUA_LIB_HEADERS
- lua.h
- lualib.h
- lauxlib.h
- luaconf.h
-)
-
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}
- ${CMAKE_CURRENT_BINARY_DIR})
-# Lua library.
+# Lua library
add_library(lua STATIC ${LUA_CORE_SRC})
target_link_libraries(lua ${LIBS})
-set(LUA_STATIC_LIB lua)
-set(LUA_LIBS lua)
-
-set_target_properties(${LUA_LIBS} PROPERTIES
+set_target_properties(lua PROPERTIES
VERSION ${LUA_VERSION}
CLEAN_DIRECT_OUTPUT 1
)
+# Compile code as C++
+set_source_files_properties(${LUA_CORE_SRC} PROPERTIES LANGUAGE CXX)
diff --git a/lib/lua/src/luaconf.h b/lib/lua/src/luaconf.h
index e2cb26163..1521f0cbc 100644
--- a/lib/lua/src/luaconf.h
+++ b/lib/lua/src/luaconf.h
@@ -143,6 +143,14 @@
#define LUA_INTEGER ptrdiff_t
+/* MINETEST-SPECIFIC CHANGE: make sure API functions conform to the C ABI. */
+#if defined(__cplusplus)
+#define LUAI_API_EXTERN extern "C"
+#else
+#define LUAI_API_EXTERN extern
+#endif
+
+
/*
@@ LUA_API is a mark for all core API functions.
@@ LUALIB_API is a mark for all standard library functions.
@@ -154,14 +162,14 @@
#if defined(LUA_BUILD_AS_DLL)
#if defined(LUA_CORE) || defined(LUA_LIB)
-#define LUA_API __declspec(dllexport)
+#define LUA_API LUAI_API_EXTERN __declspec(dllexport)
#else
-#define LUA_API __declspec(dllimport)
+#define LUA_API LUAI_API_EXTERN __declspec(dllimport)
#endif
#else
-#define LUA_API extern
+#define LUA_API LUAI_API_EXTERN
#endif
diff --git a/src/unittest/CMakeLists.txt b/src/unittest/CMakeLists.txt
index 92f31ecac..84f769e87 100644
--- a/src/unittest/CMakeLists.txt
+++ b/src/unittest/CMakeLists.txt
@@ -11,6 +11,7 @@ set (UNITTEST_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/test_filepath.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_inventory.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_irrptr.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/test_lua.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_map.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_map_settings_manager.cpp
${CMAKE_CURRENT_SOURCE_DIR}/test_mapnode.cpp
diff --git a/src/unittest/test_lua.cpp b/src/unittest/test_lua.cpp
new file mode 100644
index 000000000..fc8f895af
--- /dev/null
+++ b/src/unittest/test_lua.cpp
@@ -0,0 +1,79 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2021 TurkeyMcMac, Jude Melton-Houghton <jwmhjwmh@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "test.h"
+
+extern "C" {
+#include <lua.h>
+#include <lauxlib.h>
+}
+
+class TestLua : public TestBase
+{
+public:
+ TestLua() { TestManager::registerTestModule(this); }
+ const char *getName() { return "TestLua"; }
+
+ void runTests(IGameDef *gamedef);
+
+ void testLuaDestructors();
+};
+
+static TestLua g_test_instance;
+
+void TestLua::runTests(IGameDef *gamedef)
+{
+ TEST(testLuaDestructors);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+namespace
+{
+
+ class DestructorDetector {
+ bool *did_destruct;
+ public:
+ DestructorDetector(bool *did_destruct) : did_destruct(did_destruct)
+ {
+ *did_destruct = false;
+ }
+ ~DestructorDetector()
+ {
+ *did_destruct = true;
+ }
+ };
+
+}
+
+void TestLua::testLuaDestructors()
+{
+ bool did_destruct = false;
+
+ lua_State *L = luaL_newstate();
+ lua_cpcall(L, [](lua_State *L) -> int {
+ DestructorDetector d(reinterpret_cast<bool*>(lua_touserdata(L, 1)));
+ luaL_error(L, "error");
+ return 0;
+ }, &did_destruct);
+ lua_close(L);
+
+ UASSERT(did_destruct);
+}