Add a tool for inspecting AnalysisDriver crash logs.

pkg/analyzer/tool/analysis_driver/inspect_exception.dart

Index: pkg/analyzer/tool/analysis_driver/inspect_exception.dart
diff --git a/pkg/analyzer/tool/analysis_driver/inspect_exception.dart b/pkg/analyzer/tool/analysis_driver/inspect_exception.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9813944964c037c8b151e54a203d05bb823c7131
--- /dev/null
+++ b/pkg/analyzer/tool/analysis_driver/inspect_exception.dart
@@ -0,0 +1,48 @@
+// Copyright (c) 2017, 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.
+
+import 'dart:io';
+
+import 'package:analyzer/src/summary/idl.dart';
+import 'package:args/args.dart';
+
+main(List<String> args) {
+  ArgParser argParser = new ArgParser()..addFlag('raw');
+  ArgResults argResults = argParser.parse(args);
+  if (argResults.rest.length != 1) {
+    print(argParser.usage);
+    exitCode = 1;
+    return;
+  }
+
+  String path = argResults.rest[0];
+  List<int> bytes = new File(path).readAsBytesSync();
+  AnalysisDriverExceptionContext context =
+      new AnalysisDriverExceptionContext.fromBuffer(bytes);
+
+  print(context.path);
+  print('');
+  print('');
+  print('');
+
+  print(context.exception);
+  print('');
+  print('');
+  print('');
+
+  print(context.stackTrace);
+  print('');
+  print('');
+  print('');
+
+  context.files.forEach((file) {
+    print("=" * 40);
+    print('${file.path}');
+    print("-" * 40);
+    print('${file.content}');
+    print('');
+    print('');
+    print('');
+  });
+}