From a5a28a11c7e637a0e0275065ccfa9110a1c5b4ec Mon Sep 17 00:00:00 2001
From: Andrey Breslav <andrey.breslav@jetbrains.com>
Date: Tue, 21 Feb 2012 13:37:23 +0400
Subject: [PATCH] No errors printed in "ignoreErrors" mode

---
 .../cli/src/org/jetbrains/jet/cli/KotlinCompiler.java    | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
index ae011852ecb..4c67e34f756 100644
--- a/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+++ b/compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
@@ -23,6 +23,7 @@ import org.jetbrains.jet.compiler.CompileEnvironment;
 import org.jetbrains.jet.compiler.CompileEnvironmentException;
 import org.jetbrains.jet.compiler.FileNameTransformer;
 
+import java.io.ByteArrayOutputStream;
 import java.io.PrintStream;
 
 /**
@@ -115,7 +116,13 @@ public class KotlinCompiler {
         CompileEnvironment environment = new CompileEnvironment(arguments.transformNamesToJava ? ANY_EXTENSION_TO_JAVA : FileNameTransformer.IDENTITY);
         try {
             environment.setIgnoreErrors(arguments.ignoreErrors);
-            environment.setErrorStream(errStream);
+            if (arguments.ignoreErrors) {
+                // To avoid outputting error messages
+                environment.setErrorStream(new PrintStream(new ByteArrayOutputStream()));
+            }
+            else {
+                environment.setErrorStream(errStream);
+            }
 
             if (arguments.stdlib != null) {
                 environment.setStdlib(arguments.stdlib);