From 3233391b50713ca77404ccbe0891cc3baffcac72 Mon Sep 17 00:00:00 2001
From: Dmitri Gribenko <gribozavr@gmail.com>
Date: Wed, 21 Nov 2012 10:54:55 +0000
Subject: Use color for -ast-dump-filter only when it is supported

Patch by Philip Craig.

llvm-svn: 168420
---
 clang/lib/Frontend/ASTConsumers.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'clang/lib/Frontend')

diff --git a/clang/lib/Frontend/ASTConsumers.cpp b/clang/lib/Frontend/ASTConsumers.cpp
index 882d400c429..c99dbf07ddd 100644
--- a/clang/lib/Frontend/ASTConsumers.cpp
+++ b/clang/lib/Frontend/ASTConsumers.cpp
@@ -59,9 +59,12 @@ namespace {
 
     bool TraverseDecl(Decl *D) {
       if (D != NULL && filterMatches(D)) {
-        Out.changeColor(llvm::raw_ostream::BLUE) <<
-            (Dump ? "Dumping " : "Printing ") << getName(D) << ":\n";
-        Out.resetColor();
+        bool ShowColors = Out.has_colors();
+        if (ShowColors)
+          Out.changeColor(llvm::raw_ostream::BLUE);
+        Out << (Dump ? "Dumping " : "Printing ") << getName(D) << ":\n";
+        if (ShowColors)
+          Out.resetColor();
         if (Dump)
           D->dump(Out);
         else
-- 
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