Foundation: Add Host Operating System detection

Pagghiu · Jun 27, 2024 · 95d90ab · 95d90ab
1 parent 1f33202
commit 95d90ab
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Showing 3 changed files with 41 additions and 3 deletions.
diff --git a/Libraries/Foundation/Compiler.h b/Libraries/Foundation/Compiler.h
@@ -200,7 +200,7 @@ T& fieldOffset(R& object)
 
 #undef SC_LANGUAGE_CPP_VERSION
 
-#if !SC_COMPILER_MSVC || SC_LANGUAGE_CPP_AT_LEAST_20
+#if SC_LANGUAGE_CPP_AT_LEAST_20
 #define SC_LANGUAGE_LIKELY   [[likely]]   ///<  Use `[[likely]]` if available
 #define SC_LANGUAGE_UNLIKELY [[unlikely]] ///<  Use `[[unlikely]]` if available
 #else

diff --git a/Libraries/Foundation/Foundation.cpp b/Libraries/Foundation/Foundation.cpp
@@ -22,10 +22,32 @@ using ssize_t = SSIZE_T;
 #define WIN32_LEAN_AND_MEAN
 #include <Windows.h>
 #else
+
+#if SC_PLATFORM_APPLE
+#include <TargetConditionals.h>
+#endif
+
 #include <execinfo.h> // backtrace
 #include <unistd.h>   // _exit
 #endif
 
+SC::OperatingSystem::Type SC::OperatingSystem::getHostOS()
+{
+#if SC_PLATFORM_WINDOWS
+    return Windows;
+#elif SC_PLATFORM_LINUX
+    return Linux;
+#elif SC_PLATFORM_EMSCRIPTEN
+    return emscripten;
+#elif SC_PLATFORM_APPLE
+#if TARGET_OS_IPHONE
+    return iOS;
+#else
+    return macOS;
+#endif
+#endif
+}
+
 //--------------------------------------------------------------------
 // Assert
 //--------------------------------------------------------------------
@@ -103,8 +125,8 @@ bool SC::Assert::printBacktrace(void** backtraceBuffer, size_t backtraceBufferSi
 SC::size_t SC::Assert::captureBacktrace(size_t framesToSkip, void** backtraceBuffer, size_t backtraceBufferSizeInBytes,
                                         uint32_t* hash)
 {
-    const size_t   framesToCapture = backtraceBufferSizeInBytes / sizeof(void*);
-    constexpr auto maxVal          = static_cast<size_t>(static_cast<int>(MaxValue()));
+    const size_t framesToCapture = backtraceBufferSizeInBytes / sizeof(void*);
+    constexpr auto maxVal = static_cast<size_t>(static_cast<int>(MaxValue()));
     if (framesToCapture > maxVal || (backtraceBuffer == nullptr))
     {
         return 0;

diff --git a/Libraries/Foundation/Platform.h b/Libraries/Foundation/Platform.h
@@ -24,6 +24,22 @@ enum class Platform
     Emscripten,
 };
 
+/// @brief Holds information about operating system
+struct OperatingSystem
+{
+    enum Type
+    {
+        macOS,
+        iOS,
+        Emscripten,
+        Windows,
+        Linux,
+    };
+
+    /// @brief Returns the currently active host operating system
+    [[nodiscard]] static Type getHostOS();
+};
+
 #if defined(__APPLE__)
 
 #define SC_PLATFORM_APPLE      1 ///< True (1) when code is compiled on macOS and iOS