From 0f79a0cc1af7b53968ea627edff89288eb277128 Mon Sep 17 00:00:00 2001
From: Alexander Aprelev <aam@google.com>
Date: Fri, 15 Sep 2017 16:04:58 -0700
Subject: [PATCH] Capture all aspects of messages from compiler (#4118)

* Capture all aspects of messages from compiler

* Make static
---
 frontend_server/lib/server.dart | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/frontend_server/lib/server.dart b/frontend_server/lib/server.dart
index 0b36b1e4b..2e0d27c14 100644
--- a/frontend_server/lib/server.dart
+++ b/frontend_server/lib/server.dart
@@ -122,7 +122,18 @@ class _FrontendCompiler implements CompilerInterface {
       ..strongMode = false
       ..target = new FlutterTarget(new TargetFlags())
       ..onError = (CompilationMessage message) {
-        _outputStream.writeln("$message");
+        final StringBuffer outputMessage = new StringBuffer()
+          ..write(_severityName(message.severity))
+          ..write(': ');
+        if (message.span != null) {
+          outputMessage.writeln(message.span.message(message.message));
+        } else {
+          outputMessage.writeln(message.message);
+        }
+        if (message.tip != null) {
+          outputMessage.writeln(message.tip);
+        }
+        _outputStream.write(outputMessage);
       };
     Program program;
     if (options['incremental']) {
@@ -187,6 +198,21 @@ class _FrontendCompiler implements CompilerInterface {
       path = '$path/';
     return Uri.base.resolve(path);
   }
+
+  static String _severityName(Severity severity) {
+    switch (severity) {
+      case Severity.error:
+        return "Error";
+      case Severity.internalProblem:
+        return "Internal problem";
+      case Severity.nit:
+        return "Nit";
+      case Severity.warning:
+        return "Warning";
+      default:
+        return severity.toString();
+    }
+  }
 }
 
 /// Entry point for this module, that creates `_FrontendCompiler` instance and
-- 
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