Merge pull request #2 from cpp-gamedev/1-basic-process-facilities

process, exit() functionality

Author: TymianekPL

CMakeLists.txt

@@ -13,7 +13,7 @@ endif()
 if(MSVC)                
     string(REPLACE "/RTC1" "" OLD_FLAGS "${CMAKE_CXX_FLAGS_DEBUG}")
     set(CMAKE_CXX_FLAGS_DEBUG "${OLD_FLAGS}")
-    add_compile_options(/permissive- /Zc:preprocessor /JMC /std:c++latest /Za /GR- /GS- /EHsc-)
+    add_compile_options(/permissive- /Zc:preprocessor /JMC /std:c++latest /GR- /GS- /EHsc-)
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     add_compile_options(-ffreestanding -nostdinc++ -fno-exceptions -fno-rtti)
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")

starlib/CMakeLists.txt

@@ -8,6 +8,7 @@ target_sources(starlib
             process.ixx
     PRIVATE
         starlib.cpp
+        process.cpp
  "process.ixx")
 
 target_include_directories(starlib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

starlib/process.cpp

@@ -0,0 +1,17 @@
+module;
+#ifdef _WIN32
+#include <Windows.h>
+#else
+#error Unsupported platform
+#endif
+
+module process;
+
+void starlib::process::Exit(int code)
+{
+#ifdef _WIN32
+     ExitProcess(static_cast<UINT>(code));
+#else
+#error Unsupported platform
+#endif
+}

starlib/process.ixx

@@ -0,0 +1,6 @@
+export module process;
+
+namespace starlib::process
+{
+     export [[noreturn]] void Exit(int code);
+}

starlib/starlib.cpp

@@ -1,8 +1,8 @@
 module starlib;
 
-int starlib::Meow(void)
+extern "C" void DefaultMain(void)
 {
-     return 1234;
+     starlib::process::Exit(1);
 }
 
 extern "C" void DefaultMain(void)

starlib/starlib.ixx

@@ -1,6 +1,3 @@
 export module starlib;
 
-namespace starlib
-{
-     export int Meow();
-}
+export import process;

testing/main.cpp

@@ -1,6 +1,2 @@
 import starlib;
 
-int main(void)
-{
-     return starlib::Meow();
-}