StackTrace formatters

tool/input_sdk/private/debugger.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dart._debugger;
 
 import 'dart:_foreign_helper' show JS;
 import 'dart:_runtime' as dart;
 import 'dart:core';
 import 'dart:collection';
@@ skipping 294 matching lines @@
     if (c == null) return null;
 
     if (config == JsonMLConfig.keyToString) {
       c = object.toString();
     }
 
     // Indicate this is a Dart Object by using a Dart background color.
     // This is stylistically a bit ugly but it eases distinguishing Dart and
     // JS objects.
     var element = new JsonMLElement('span')
-      ..setStyle('background-color: #d9edf7')
+      ..setStyle('background-color: #d9edf7;')
       ..createTextChild(c);
     return element.toJsonML();
   }
 
   bool hasBody(object) => _simpleFormatter.hasChildren(object);
 
   body(object) {
     var body = new JsonMLElement('ol')
       ..setStyle('list-style-type: none;'
           'padding-left: 0px;'
           'margin-top: 0px;'
           'margin-bottom: 0px;'
-          'margin-left: 12px');
+          'margin-left: 12px;');
+    if (object is StackTrace) {
+      body.addStyle('color: rgb(196, 26, 22);');
+    }
     var children = _simpleFormatter.children(object);
     for (NameValuePair child in children) {
       var li = body.createChild('li');
       var nameSpan = new JsonMLElement('span')
         ..createTextChild(
             child.displayName.isNotEmpty ? '${child.displayName}: ' : '')
         ..setStyle('color: rgb(136, 19, 145);');
       if (_typeof(child.value) == 'object' ||
           _typeof(child.value) == 'function') {
         nameSpan.addStyle("padding-left: 13px;");
@@ skipping 28 matching lines @@
   DartFormatter() {
     // The order of formatters matters as formatters earlier in the list take
     // precedence.
     _formatters = [
       new NamedConstructorFormatter(),
       new FunctionFormatter(),
       new MapFormatter(),
       new IterableFormatter(),
       new MapEntryFormatter(),
       new IterableSpanFormatter(),
+      new StackTraceFormatter(),
       new ClassMetadataFormatter(),
       new HeritageClauseFormatter(),
       new LibraryModuleFormatter(),
       new LibraryFormatter(),
       new ObjectFormatter(),
     ];
   }
 
   String preview(object) {
     try {
@@ skipping 441 matching lines @@
 
   String preview(object) {
     return '[${object.start}...${object.end-1}]';
   }
 
   bool hasChildren(object) => true;
 
   List<NameValuePair> children(object) => object.children();
 }
 
+class StackTraceFormatter implements Formatter {
+  accept(object) => object is StackTrace;
+
+  String preview(object) => 'StackTrace';
+
+  bool hasChildren(object) => true;
+
+  // Using the stack_trace formatting would be ideal, but adding the
+  // dependency or re-writing the code is too messy, so each line of the
+  // StackTrace will be added as its own child.
+  List<NameValuePair> children(object) => object
+      .toString()
+      .split('\n')
+      .map((line) => new NameValuePair(
+          value: line.replaceFirst(new RegExp(r'^\s+at\s'), ''),
+          hideName: true))
+      .toList();
+}
+
 /// This entry point is automatically invoked by the code generated by
 /// Dart Dev Compiler
 registerDevtoolsFormatter() {
   var formatters = [_devtoolsFormatter];
   JS('', 'dart.global.devtoolsFormatters = #', formatters);
 }