From 1ff60b49f9e8c78f48a6bca3af5a8216712de233 Mon Sep 17 00:00:00 2001
From: Josselin <josselin@trailofbits.com>
Date: Mon, 14 Jan 2019 14:14:22 +0100
Subject: [PATCH] Add warning if no contract was analyzed

---
 slither/__main__.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/slither/__main__.py b/slither/__main__.py
index 25b9d1aa0..60724008c 100644
--- a/slither/__main__.py
+++ b/slither/__main__.py
@@ -274,6 +274,8 @@ def main_impl(all_detector_classes, all_printer_classes):
         if args.json:
             output_json(results, args.json)
         # Dont print the number of result for printers
+        if number_contracts == 0:
+            logger.warn(red('No contract was analyzed'))
         if printer_classes:
             logger.info('%s analyzed (%d contracts)', filename, number_contracts)
         else: