+#if wxDEBUG_LEVEL
+
+// Information about the last not yet handled assertion.
+static wxString s_lastAssertMessage;
+
+static wxString FormatAssertMessage(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msg)
+{
+ wxString str;
+ str << "wxWidgets assert: " << cond << " failed "
+ "at " << file << ":" << line << " in " << func
+ << " with message '" << msg << "'";
+ return str;
+}
+
+static void TestAssertHandler(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msg)
+{
+ // Determine whether we can safely throw an exception to just make the test
+ // fail or whether we need to abort (in this case "msg" will contain the
+ // explanation why did we decide to do it).
+ wxString abortReason;
+
+ const wxString
+ assertMessage = FormatAssertMessage(file, line, func, cond, msg);
+
+ if ( !wxIsMainThread() )
+ {
+ // Exceptions thrown from worker threads are not caught currently and
+ // so we'd just die without any useful information -- abort instead.
+ abortReason << assertMessage << "in a worker thread.";
+ }
+ else if ( uncaught_exception() )
+ {
+ // Throwing while already handling an exception would result in
+ // terminate() being called and we wouldn't get any useful information
+ // about why the test failed then.
+ if ( s_lastAssertMessage.empty() )
+ {
+ abortReason << assertMessage << "while handling an exception";
+ }
+ else // In this case the exception is due to a previous assert.
+ {
+ abortReason << s_lastAssertMessage << "\n and another "
+ << assertMessage << " while handling it.";
+ }
+ }
+ else // Can "safely" throw from here.
+ {
+ // Remember this in case another assert happens while handling this
+ // exception: we want to show the original assert as it's usually more
+ // useful to determine the real root of the problem.
+ s_lastAssertMessage = assertMessage;
+
+ throw TestAssertFailure(file, line, func, cond, msg);
+ }
+
+ wxFputs(abortReason, stderr);
+ fflush(stderr);
+ _exit(-1);
+}
+
+#endif // wxDEBUG_LEVEL
+
projects / wxWidgets.git / blobdiff