From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 19 Feb 2021 23:15:52 +0000 (+0200)
Subject: Nicer formatting of exceptions with multi-line whats
X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=commitdiff_plain;h=9c8bb278a26c0c4356d6ee5e66d3f34c70521fb8

Nicer formatting of exceptions with multi-line whats
---

diff --git a/source/core/application.cpp b/source/core/application.cpp
index aedaa4b..290f20b 100644
--- a/source/core/application.cpp
+++ b/source/core/application.cpp
@@ -7,6 +7,7 @@
 #include <msp/fs/path.h>
 #include <msp/fs/utils.h>
 #include <msp/io/print.h>
+#include <msp/strings/utils.h>
 #include "application.h"
 #include "getopt.h"
 
@@ -73,7 +74,15 @@ int Application::run(int argc, char **argv, void *data, void (*created_callback)
 		{
 			IO::print(IO::cerr, "An uncaught exception occurred.\n");
 			IO::print(IO::cerr, "  type:   %s\n", Debug::demangle(typeid(e).name()));
-			IO::print(IO::cerr, "  what(): %s\n", e.what());
+			vector<string> lines = split(e.what(), '\n');
+			if(lines.size()<2)
+				IO::print(IO::cerr, "  what(): %s\n", e.what());
+			else
+			{
+				IO::print(IO::cerr, "  what(): %s\n", lines.front());
+				for(vector<string>::const_iterator i=lines.begin(); ++i!=lines.end(); )
+					IO::print(IO::cerr, "          %s\n", *i);
+			}
 		}
 
 		delete app_;