diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/InfoSink.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/InfoSink.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/InfoSink.h"
+
+void TInfoSinkBase::prefix(TPrefixType p) {
+    switch(p) {
+        case EPrefixNone:
+            break;
+        case EPrefixWarning:
+            sink.append("WARNING: ");
+            break;
+        case EPrefixError:
+            sink.append("ERROR: ");
+            break;
+        case EPrefixInternalError:
+            sink.append("INTERNAL ERROR: ");
+            break;
+        case EPrefixUnimplemented:
+            sink.append("UNIMPLEMENTED: ");
+            break;
+        case EPrefixNote:
+            sink.append("NOTE: ");
+            break;
+        default:
+            sink.append("UNKOWN ERROR: ");
+            break;
+    }
+}
+
+void TInfoSinkBase::location(int file, int line) {
+    TPersistStringStream stream;
+    if (line)
+        stream << file << ":" << line;
+    else
+        stream << file << ":? ";
+    stream << ": ";
+
+    sink.append(stream.str());
+}
+
+void TInfoSinkBase::location(const TSourceLoc& loc) {
+    location(loc.first_file, loc.first_line);
+}
+
+void TInfoSinkBase::message(TPrefixType p, const TSourceLoc& loc, const char* m) {
+    prefix(p);
+    location(loc);
+    sink.append(m);
+    sink.append("\n");
+}