Launch Leg independently of Frog.

dart/frog/leg/compiler.dart

 // Copyright (c) 2012, 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.
 
 class WorkItem {
   final Element element;
   TreeElements resolutionTree;
   Function run;
   Map<int, BailoutInfo> bailouts = null;
   bool allowSpeculativeOptimization = true;
@@ skipping 73 matching lines @@
   static final SourceString MAIN = const SourceString('main');
   static final SourceString NO_SUCH_METHOD = const SourceString('noSuchMethod');
   static final SourceString NO_SUCH_METHOD_EXCEPTION =
       const SourceString('NoSuchMethodException');
   static final SourceString OBJECT = const SourceString('Object');
   static final SourceString START_ROOT_ISOLATE =
       const SourceString('startRootIsolate');
   static final SourceString CLOSURE = const SourceString('Closure');
   bool enabledNoSuchMethod = false;
 
-  static final String GREEN_COLOR = '\u001b[32m';
-  static final String RED_COLOR = '\u001b[31m';
-  static final String MAGENTA_COLOR = '\u001b[35m';
-  static final String NO_COLOR = '\u001b[0m';
-
   Compiler.withCurrentDirectory(String this.currentDirectory,
                                 [this.tracer = const Tracer()])
       : types = new Types(),
         universe = new Universe(),
         worklist = new Queue<WorkItem>() {
     namer = new Namer(this);
     constantHandler = new ConstantHandler(this);
     scanner = new ScannerTask(this);
     dietParser = new DietParserTask(this);
     parser = new ParserTask(this);
     validator = new TreeValidatorTask(this);
     resolver = new ResolverTask(this);
     checker = new TypeCheckerTask(this);
     builder = new SsaBuilderTask(this);
     optimizer = new SsaOptimizerTask(this);
     generator = new SsaCodeGeneratorTask(this);
     emitter = new CodeEmitterTask(this);
     enqueuer = new EnqueueTask(this);
     tasks = [scanner, dietParser, parser, resolver, checker,
              builder, optimizer, generator,
              emitter, constantHandler, enqueuer];
   }
 
-  green(String string) => "${GREEN_COLOR}$string${NO_COLOR}";
-  red(String string) => "${RED_COLOR}$string${NO_COLOR}";
-  magenta(String string) => "${MAGENTA_COLOR}$string${NO_COLOR}";
-
   void ensure(bool condition) {
     if (!condition) cancel('failed assertion in leg');
   }
 
   void unimplemented(String methodName,
                      [Node node, Token token, HInstruction instruction,
                       Element element]) {
     internalError("$methodName not implemented",
                   node, token, instruction, element);
   }
@@ skipping 340 matching lines @@
   }
 }
 
 class SourceSpan {
   final Uri uri;
   final int begin;
   final int end;
 
   const SourceSpan(this.uri, this.begin, this.end);
 }