Support JavaScriptCore stack traces.

lib/src/trace.dart

Index: lib/src/trace.dart
diff --git a/lib/src/trace.dart b/lib/src/trace.dart
index 954cf453e9020a87073d513bf134010286d50a7e..e7462574d9bfc2d390e93b4201dba7e71dc68c22 100644
--- a/lib/src/trace.dart
+++ b/lib/src/trace.dart
@@ -13,6 +13,8 @@ import 'lazy_trace.dart';
 import 'utils.dart';
 import 'vm_trace.dart';
 
+import 'dart:convert';
+
 final _terseRegExp = new RegExp(r"(-patch)?(/.*)?$");
 
 /// A RegExp to match V8's stack traces.
@@ -115,6 +117,7 @@ class Trace implements StackTrace {
     try {
       if (trace.isEmpty) return new Trace(<Frame>[]);
       if (trace.contains(_v8Trace)) return new Trace.parseV8(trace);
+      if (trace.startsWith("\tat ")) return new Trace.parseJSCore(trace);
       if (trace.contains(_firefoxSafariTrace)) {
         return new Trace.parseFirefox(trace);
       }
@@ -127,6 +130,7 @@ class Trace implements StackTrace {
       // 11257).
       return new Trace.parseVM(trace);
     } on FormatException catch (error) {
+      print(JSON.encode(trace));

[kevmoo, 2015/04/13 23:25:47]

Oops?

[nweiz, 2015/04/13 23:27:19]

Done.

       throw new FormatException('${error.message}\nStack trace:\n$trace');
     }
   }
@@ -147,6 +151,10 @@ class Trace implements StackTrace {
           .skipWhile((line) => !line.startsWith(_v8TraceLine))
           .map((line) => new Frame.parseV8(line)));
 
+  /// Parses a string representation of a JavaScriptCore stack trace.
+  Trace.parseJSCore(String trace)
+      : this(trace.split("\n").map((line) => new Frame.parseV8(line)));
+
   /// Parses a string representation of an Internet Explorer stack trace.
   ///
   /// IE10+ traces look just like V8 traces. Prior to IE10, stack traces can't