1 files changed, 38 insertions, 0 deletions
diff --git a/src/base/platform/win/Exception.cpp b/src/base/platform/win/Exception.cpp
new file mode 100644
index 00000000..5ff6146b
--- /dev/null
+++ b/src/base/platform/win/Exception.cpp
@@ -0,0 +1,38 @@
+#include "cru/base/platform/win/Exception.h"
+#include "cru/base/Format.h"
+
+#include <optional>
+
+namespace cru::platform::win {
+
+inline String HResultMakeMessage(HRESULT h_result,
+                                 std::optional<String> message) {
+  if (message.has_value())
+    return Format(u"HRESULT: {}. Message: {}", h_result, message->WinCStr());
+  else
+    return Format(u"HRESULT: {}.", h_result);
+}
+
+HResultError::HResultError(HRESULT h_result)
+    : PlatformException(HResultMakeMessage(h_result, std::nullopt)),
+      h_result_(h_result) {}
+
+HResultError::HResultError(HRESULT h_result,
+                           std::string_view additional_message)
+    : PlatformException(HResultMakeMessage(
+          h_result, String::FromUtf8(additional_message.data(),
+                                     additional_message.size()))),
+      h_result_(h_result) {}
+
+inline String Win32MakeMessage(DWORD error_code, String message) {
+  return Format(u"Last error code: {}.\nMessage: {}\n", error_code,
+                message.WinCStr());
+}
+
+Win32Error::Win32Error(String message)
+    : Win32Error(::GetLastError(), message) {}
+
+Win32Error::Win32Error(DWORD error_code, String message)
+    : PlatformException(Win32MakeMessage(error_code, message)),
+      error_code_(error_code) {}
+}  // namespace cru::platform::win