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authorJohn Ankarström <john@ankarstrom.se>2022-08-22 01:02:34 +0200
committerJohn Ankarström <john@ankarstrom.se>2022-08-22 01:02:34 +0200
commit28b87e4d9c60b49d46b03a19b7b83e23e222087a (patch)
tree1f0a71ca09f04eac51fdabf2e8cfabc87a6e02a3 /c/win.cpp
parent801c10f07d1c92e1b1b89d8a30cb0cf86745de31 (diff)
downloadEpisodeBrowser-28b87e4d9c60b49d46b03a19b7b83e23e222087a.tar.gz
Handle exceptions in fetching thread.
Diffstat (limited to 'c/win.cpp')
-rw-r--r--c/win.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/c/win.cpp b/c/win.cpp
index 28dba27..ea47fb0 100644
--- a/c/win.cpp
+++ b/c/win.cpp
@@ -1,7 +1,33 @@
#include <utility>
+#include <SWI-Prolog.h>
#include <windows.h>
+#include "pl.h"
+#include "util.h"
#include "win.h"
+#include "wcharptr.h"
+
+void ShowException(const wchar_t* const fmt, const wchar_t* const title, const UINT uType) noexcept
+{
+ const wchar_t* what = L"an exception";
+ WcharPtr why;
+
+ try {
+ std::rethrow_exception(std::current_exception());
+ } catch (const term_t& t) {
+ what = L"a Prolog exception";
+ try { why = PlString(t); } catch (...) {}
+ } catch (const Win32Error& e) {
+ what = L"a Windows error";
+ try { why = WcharPtr::Copy(e.What()); } catch (...) {}
+ } catch (const std::exception& e) {
+ try { why = WcharPtr::FromNarrow(e.what()); } catch (...) {}
+ } catch (...) {}
+
+ wchar_t msg[512];
+ Swprintf(msg, fmt, what, static_cast<wchar_t*>(why));
+ EBMessageBox(msg, title, uType);
+}
void WithNextWindow(void (*proc)(HWND))
{