From 4a3b984ccdeb5c6d1378dfd10e0fecd24b80d6b9 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Mon, 17 Oct 2011 18:54:10 +0200
Subject: [PATCH] diagnostics

---
 compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
index c7cae27b27d..e41fcdddb7c 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
@@ -56,6 +56,10 @@ public class KotlinCompiler {
         environment.registerFileType(JetFileType.INSTANCE, "kt");
         environment.registerParserDefinition(new JetParserDefinition());
         VirtualFile vFile = environment.getLocalFileSystem().findFileByPath(args [0]);
+        if (vFile == null) {
+            System.out.print("File not found: " + args[0]);
+            return;
+        }
 
         Project project = environment.getProject();
         GenerationState generationState = new GenerationState(project, false);