Compile Lua as C++ (#11683)

Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
Jude Melton-Houghton 2022-04-07 10:54:17 -04:00 committed by GitHub
parent 837cea6b4a
commit 21f17e871e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 103 additions and 34 deletions

@ -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)
# Standard flags to use
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|(Apple)?Clang")
set(COMMON_CFLAGS "${COMMON_CFLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic")
endif()
# COMMON_CFLAGS has no effect without this line
set(CMAKE_C_FLAGS "${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)
add_subdirectory(src build)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_CFLAGS}")
add_subdirectory(src)

@ -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)

@ -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

@ -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

79
src/unittest/test_lua.cpp Normal file

@ -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);
}