Add support for V8 and Firefox stack traces in pkg/stack_trace.

pkg/stack_trace/lib/src/trace.dart

Index: pkg/stack_trace/lib/src/trace.dart
diff --git a/pkg/stack_trace/lib/src/trace.dart b/pkg/stack_trace/lib/src/trace.dart
index db0e70ba29dabc3a7db8ebf0309ab4c568e2cdc2..643288ac6260dac369088e8d3da67e8de63cf5a2 100644
--- a/pkg/stack_trace/lib/src/trace.dart
+++ b/pkg/stack_trace/lib/src/trace.dart
@@ -12,6 +12,8 @@ import 'lazy_trace.dart';
 
 final _terseRegExp = new RegExp(r"(-patch)?(/.*)?$");
 
+final _firefoxTrace = new RegExp(r"^[.0-9A-Za-z_$]*@");

[Bob Nystrom, 2013/06/26 17:01:05]

Document what this is for and an example of what this matches.

[nweiz, 2013/06/26 20:08:01]

Done.

+
 /// A stack trace, comprised of a list of stack frames.
 class Trace implements StackTrace {
   /// The stack frames that comprise this stack trace.
@@ -57,9 +59,29 @@ class Trace implements StackTrace {
 
   /// Parses a string representation of a stack trace.
   ///
-  /// [trace] should be formatted in the same way as native stack traces.
-  Trace.parse(String trace)
-      : this(trace.trim().split("\n").map((line) => new Frame.parse(line)));
+  /// [trace] should be formatted in the same way as a Dart VM or browser stack
+  /// trace.
+  factory Trace.parse(String trace) {
+    if (trace.startsWith("Error\n")) return new Trace.parseV8(trace);
+    if (trace.contains(_firefoxTrace)) return new Trace.parseFirefox(trace);
+
+    // Default to parsing the stack trace as a VM trace. This is also hit on IE
+    // and Safari, where the stack trace is just an empty string (issue 11257).
+    return new Trace.parseVM(trace);
+  }
+
+  /// Parses a string representation of a Dart VM stack trace.
+  Trace.parseVM(String trace)
+      : this(trace.trim().split("\n").map((line) => new Frame.parseVM(line)));
+
+  /// Parses a string representation of a Chrome/V8 stack trace.
+  Trace.parseV8(String trace)
+      : this(trace.split("\n").skip(1).map((line) => new Frame.parseV8(line)));
+
+  /// Parses a string representation of a Firefox stack trace.
+  Trace.parseFirefox(String trace)
+      : this(trace.trim().split("\n")
+          .map((line) => new Frame.parseFirefox(line)));
 
   /// Returns a new [Trace] comprised of [frames].
   Trace(Iterable<Frame> frames)