5 files changed, 260 insertions, 0 deletions
diff --git a/deps/sol2/examples/require_dll_example/CMakeLists.txt b/deps/sol2/examples/require_dll_example/CMakeLists.txt
new file mode 100644
index 0000000..a2aea84
--- /dev/null
+++ b/deps/sol2/examples/require_dll_example/CMakeLists.txt
@@ -0,0 +1,145 @@
+# # # # sol3
+# The MIT License (MIT)
+#
+# Copyright (c) 2013-2019 Rapptz, ThePhD, and contributors
+#
+# 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
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+# the Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+# # # sol3 Examples - require_from_dll
+
+# # Reusable function to call for single target
+# # Also hides variables from directory/global scope
+function(make_require_from_dll_example target_lib example_lib_name_suffix)
+	# define sources
+	set(my_object_sources source/my_object.cpp)
+	set(require_from_dll_sources source/require_from_dll.cpp)
+
+	# define names
+	set(example_lib_name my_object)
+	set(example_name require_from_dll)
+	set(example_lib_name "${example_lib_name}${example_lib_name_suffix}")
+	set(example_name "${example_name}${example_lib_name_suffix}")
+	
+	# add library target my_object for the require_from_dll program
+	add_library(${example_lib_name} SHARED ${my_object_sources})
+	set_target_properties(${example_lib_name} PROPERTIES
+		PREFIX "")
+
+	target_include_directories(${example_lib_name} 
+		PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
+	target_compile_definitions(${example_lib_name} 
+		PUBLIC MY_OBJECT_DLL 
+		PRIVATE MY_OBJECT_BUILD)
+	target_link_libraries(${example_lib_name} 
+		PUBLIC ${target_lib} ${LUA_LIBRARIES} sol2::assert)
+	target_include_directories(${example_lib_name} 
+		PUBLIC "${LUA_INCLUDE_DIRS}")
+	
+	if (MSVC)
+		target_compile_options(${example_lib_name}
+			PRIVATE /std:c++latest /EHsc "$<$<CONFIG:Debug>:/MDd>"
+			"$<$<CONFIG:Release>:/MD>"
+			"$<$<CONFIG:RelWithDebInfo>:/MD>"
+			"$<$<CONFIG:MinSizeRel>:/MD>")
+		target_compile_definitions(${example_lib_name}
+			PRIVATE UNICODE _UNICODE 
+			_CRT_SECURE_NO_WARNINGS _CRT_SECURE_NO_DEPRECATE)
+	else()
+		target_compile_options(${example_lib_name}
+			PRIVATE -std=c++1z 
+			-Wno-unknown-warning -Wno-unknown-warning-option
+			-Wall -Wextra -Wpedantic -pedantic -pedantic-errors
+			-Wno-noexcept-type)
+
+		if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+			# For another day, when C++ is not so crap
+			# and we have time to audit the entire lib
+			# for all uses of `detail::swallow`...
+			#target_compile_options(${test_target_name}
+			#	PRIVATE -Wcomma)		
+		endif()
+
+
+		if (IS_X86)
+			target_compile_options(${example_lib_name} BEFORE PRIVATE -m32)
+		endif()
+	endif()
+
+	if(CMAKE_DL_LIBS)
+		target_link_libraries(${example_lib_name} PUBLIC ${CMAKE_DL_LIBS})
+	endif()
+	
+	# add executable target that represents require_from_dll program
+	add_executable(${example_name} ${require_from_dll_sources})
+	target_link_libraries(${example_name} 
+		PRIVATE my_object ${LUA_LIBRARIES} ${target_lib})
+	target_include_directories(${example_name} 
+		PRIVATE ${LUA_INCLUDE_DIRS})
+
+	if (MSVC)
+		target_compile_options(${example_name}
+			PRIVATE /std:c++latest /EHsc "$<$<CONFIG:Debug>:/MDd>"
+			"$<$<CONFIG:Release>:/MD>"
+			"$<$<CONFIG:RelWithDebInfo>:/MD>"
+			"$<$<CONFIG:MinSizeRel>:/MD>")
+		target_compile_definitions(${example_name}
+			PRIVATE UNICODE _UNICODE 
+			_CRT_SECURE_NO_WARNINGS _CRT_SECURE_NO_DEPRECATE)
+	else()
+		target_compile_options(${example_name}
+			PRIVATE -std=c++1z
+			-Wno-unknown-warning -Wno-unknown-warning-option
+			-Wall -Wextra -Wpedantic -pedantic -pedantic-errors
+			-Wno-noexcept-type)
+
+		if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+			# For another day, when C++ is not so crap
+			# and we have time to audit the entire lib
+			# for all uses of `detail::swallow`...
+			#target_compile_options(${test_target_name}
+			#	PRIVATE -Wcomma)		
+		endif()
+	endif()
+
+	if(CMAKE_DL_LIBS)
+		target_link_libraries(${example_name} PRIVATE ${CMAKE_DL_LIBS})
+	endif()
+	
+	if (SOL2_TESTS_DYNAMIC_LOADING_EXAMPLES)
+		get_target_property(example_working_dir ${example_name} RUNTIME_OUTPUT_DIRECTORY)
+		add_test(NAME ${example_name} COMMAND ${example_name} WORKING_DIRECTORY "${example_working_dir}")
+	endif()
+endfunction()
+
+list(GET LUA_LIBRARIES 0 lua_lib_target)
+get_target_property(lua_lib_type ${lua_lib_target} TYPE)
+if (lua_lib_type MATCHES "STATIC")
+	# avoid multiply defined references due to linking in the same static library
+	# twice over, and get "multiple definition" errors during linking
+	return()
+endif()
+
+if (SOL2_DYNAMIC_LOADING_EXAMPLES)
+	make_require_from_dll_example(sol2::sol2 "")
+endif()
+if (SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE)
+	make_require_from_dll_example(sol2::sol2_single ".single")
+endif()
+if (SOL2_DYNAMIC_LOADING_EXAMPLES_SINGLE_GENERATED)
+	make_require_from_dll_example(sol2::sol2_single_generated ".single.generated")
+endif()
diff --git a/deps/sol2/examples/require_dll_example/include/my_object/my_object.hpp b/deps/sol2/examples/require_dll_example/include/my_object/my_object.hpp
new file mode 100644
index 0000000..f8ec5e5
--- /dev/null
+++ b/deps/sol2/examples/require_dll_example/include/my_object/my_object.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <my_object/my_object_api.hpp>
+
+// forward declare as a C struct 
+// so a pointer to lua_State can be part of a signature
+extern "C" {
+	struct lua_State;
+}
+// you can replace the above if you're fine with including 
+// <sol.hpp> earlier than absolutely necessary
+
+namespace my_object {
+
+	struct test {
+		int value;
+
+		test() = default;
+		test(int val) : value(val) {}
+	};
+
+} // namespace my_object
+
+// this function needs to be exported from your
+// dll. "extern 'C'" should do the trick, but
+// we're including platform-specific stuff here to help
+// see my_object_api.hpp for details
+extern "C" MY_OBJECT_API int luaopen_my_object(lua_State* L);
diff --git a/deps/sol2/examples/require_dll_example/include/my_object/my_object_api.hpp b/deps/sol2/examples/require_dll_example/include/my_object/my_object_api.hpp
new file mode 100644
index 0000000..6af5f42
--- /dev/null
+++ b/deps/sol2/examples/require_dll_example/include/my_object/my_object_api.hpp
@@ -0,0 +1,27 @@
+#pragma once
+
+namespace my_object {
+
+#if defined _MSC_VER
+	#define MY_OBJECT_VC
+#elif defined __GNUC__
+	#define MY_OBJECT_GCC
+#elif defined __clang__
+	#define MY_OBJECT_CLANG
+#endif
+
+#if defined MY_OBJECT_VC
+	#if defined MY_OBJECT_DLL
+		#if defined MY_OBJECT_BUILD
+			#define MY_OBJECT_API __declspec(dllexport)
+		#else
+			#define MY_OBJECT_API __declspec(dllexport)
+		#endif // MY_OBJECT_BUILD - Building the Library vs. Using the Library
+	#else
+		#define MY_OBJECT_API 
+	#endif // Building a DLL vs. Static Library
+#else // g++ / clang++
+	#define MY_OBJECT_API __attribute__ ((visibility ("default")))
+#endif // MY_OBJECT_BUILD
+
+} // namespace my_object
diff --git a/deps/sol2/examples/require_dll_example/source/my_object.cpp b/deps/sol2/examples/require_dll_example/source/my_object.cpp
new file mode 100644
index 0000000..d966c2b
--- /dev/null
+++ b/deps/sol2/examples/require_dll_example/source/my_object.cpp
@@ -0,0 +1,27 @@
+#include <my_object/my_object.hpp>
+
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+namespace my_object {
+
+	sol::table open_my_object(sol::this_state L) {
+		sol::state_view lua(L);
+		sol::table module = lua.create_table();
+		module.new_usertype<test>("test",
+			sol::constructors<test(), test(int)>(),
+			"value", &test::value);
+
+		return module;
+	}
+
+} // namespace my_object
+
+extern "C" int luaopen_my_object(lua_State* L) {
+	// pass the lua_State,
+	// the index to start grabbing arguments from,
+	// and the function itself
+	// optionally, you can pass extra arguments to the function if that's necessary,
+	// but that's advanced usage and is generally reserved for internals only
+	return sol::stack::call_lua(L, 1, my_object::open_my_object );
+}
diff --git a/deps/sol2/examples/require_dll_example/source/require_from_dll.cpp b/deps/sol2/examples/require_dll_example/source/require_from_dll.cpp
new file mode 100644
index 0000000..874d187
--- /dev/null
+++ b/deps/sol2/examples/require_dll_example/source/require_from_dll.cpp
@@ -0,0 +1,33 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <my_object/my_object.hpp>
+#include <assert.hpp>
+
+#include <iostream>
+
+int main(int, char*[]) {
+	std::cout << "=== require from DLL ===" << std::endl;
+
+	sol::state lua;
+	lua.open_libraries(sol::lib::package, sol::lib::base);
+
+	const auto& code = R"(
+mo = require("my_object")
+
+obj = mo.test.new(24)
+print(obj.value))";
+	auto script_result = lua.safe_script(code, &sol::script_pass_on_error);
+	if (script_result.valid()) {
+		std::cout << "The DLL was require'd from successfully!" << std::endl;
+	}
+	else {
+		sol::error err = script_result;
+		std::cout << "Something bad happened: " << err.what() << std::endl;
+	}
+	c_assert(script_result.valid());
+	my_object::test& obj = lua["obj"];
+	c_assert(obj.value == 24);
+
+	return 0;
+}
+\ No newline at end of file