Move tools to tool folder.

pkg/front_end/lib/src/base/processed_options.dart

 // 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:async';
 
 import 'package:front_end/compilation_message.dart';
 import 'package:front_end/compiler_options.dart';
 import 'package:front_end/file_system.dart';
 import 'package:front_end/src/base/performace_logger.dart';
@@ skipping 101 matching lines @@
   bool get verbose => _raw.verbose;
 
   bool get verify => _raw.verify;
 
   bool get debugDump => _raw.debugDump;
 
   bool get setExitCodeOnProblem => _raw.setExitCodeOnProblem;
 
   bool get embedSourceText => _raw.embedSourceText;
 
-  bool get throwOnErrors => _raw.throwOnErrors;
+  bool get throwOnErrorsForDebugging => _raw.throwOnErrorsForDebugging;
 
-  bool get throwOnWarnings => _raw.throwOnWarnings;
+  bool get throwOnWarningsForDebugging => _raw.throwOnWarningsForDebugging;
 
-  bool get throwOnNits => _raw.throwOnNits;
+  bool get throwOnNitsForDebugging => _raw.throwOnNitsForDebugging;
 
   /// Like [CompilerOptions.chaseDependencies] but with the appropriate default
   /// value filled in.
   bool get chaseDependencies => _raw.chaseDependencies ?? !_modularApi;
 
   /// Whether the compiler was invoked with a modular API.
   ///
   /// Used to determine the default behavior for [chaseDependencies].
   final bool _modularApi;
 
@@ skipping 404 matching lines @@
         '${_raw.onError == null ? "no" : "yes"}');
 
     sb.writeln('FileSystem: ${_fileSystem.runtimeType} '
         '(provided: ${_raw.fileSystem.runtimeType})');
 
     writeList('Input Summaries', _raw.inputSummaries);
     writeList('Linked Dependencies', _raw.linkedDependencies);
     writeList('Multiroots', _raw.multiRoots);
 
     sb.writeln('Modular: ${_modularApi}');
-    sb.writeln('Hermetic: ${!chaseDependencies}'
-        ' (provided: ${!_raw.chaseDependencies})');
+    sb.writeln('Hermetic: ${!chaseDependencies} (provided: '
+        '${_raw.chaseDependencies == null ? null : !_raw.chaseDependencies})');

[Siggi Cherem (dart-lang), 2017/08/24 18:34:36]

thanks - I also have this in a local branch and forgot to send this out. 

     sb.writeln('Packages uri: ${_raw.packagesFileUri}');
     sb.writeln('Packages: ${_packages}');
 
     sb.writeln('Compile SDK: ${compileSdk}');
     sb.writeln('SDK root: ${_sdkRoot} (provided: ${_raw.sdkRoot})');
     sb.writeln('SDK specification: ${_librariesSpecificationUri} '
         '(provided: ${_raw.librariesSpecificationUri})');
     sb.writeln('SDK summary: ${_sdkSummary} (provided: ${_raw.sdkSummary})');
 
     sb.writeln('Strong: ${strongMode}');
     sb.writeln('Target: ${_target?.name} (provided: ${_raw.target?.name})');
 
-    sb.writeln('throwOnErrorsAreFatal: ${throwOnErrors}');
-    sb.writeln('throwOnWarningsAreFatal: ${throwOnWarnings}');
-    sb.writeln('throwOnNits: ${throwOnNits}');
+    sb.writeln('throwOnErrorsForDebugging: ${throwOnErrorsForDebugging}');
+    sb.writeln('throwOnWarningsForDebugging: ${throwOnWarningsForDebugging}');
+    sb.writeln('throwOnNitsForDebugging: ${throwOnNitsForDebugging}');
     sb.writeln('exit on problem: ${setExitCodeOnProblem}');
     sb.writeln('Embed sources: ${embedSourceText}');
     sb.writeln('debugDump: ${debugDump}');
     sb.writeln('verbose: ${verbose}');
     sb.writeln('verify: ${verify}');
     return '$sb';
   }
 }
 
 /// A [FileSystem] that only allows access to files that have been explicitly
@@ skipping 36 matching lines @@
   String get dart2jsCode => _original.code.dart2jsCode;
 
   SourceSpan get span =>
       new SourceLocation(_original.charOffset, sourceUrl: _original.uri)
           .pointSpan();
 
   _CompilationMessage(this._original, this.severity);
 
   String toString() => message;
 }