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Implement logException.

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Logs an exception along with an error message and the full stack trace. Performs proper exception handling for the latter to stay nothrow.
This commit is contained in:
Sönke Ludwig 2019-05-25 22:04:03 +02:00
parent c3832cbb8b
commit 08db20629b
1 changed files with 24 additions and 0 deletions
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24
source/vibe/core/log.d
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@ -148,6 +148,30 @@ void logFatal(string file = __FILE__, int line = __LINE__, S, T...)(S fmt, lazy
}
}
/** Logs an exception, including a debug stack trace.
*/
void logException(LogLevel level = LogLevel.error, string file = __FILE__,
int line = __LINE__)(Throwable exception, string error_description)
@safe nothrow {
log!(level, file, line)("%s: %s", error_description, exception.msg);
try logDebug!(file, line)("Full exception: %s", () @trusted { return exception.toString(); } ());
catch (Exception e) logDebug("Failed to print full exception: %s", e.msg);
}
///
unittest {
void test() nothrow
{
try {
throw new Exception("Something failed!");
} catch (Exception e) {
logException(e, "Failed to carry out some operation");
}
}
}
/// Specifies the log level for a particular log message.
enum LogLevel {
trace, /// Developer information for locating events when no useful stack traces are available