Rewire DDC to use the analyzer task model

lib/src/compiler.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.
 
 /// Command line tool to run the checker on a Dart program.
 library dev_compiler.src.compiler;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:math' as math;
@@ skipping 133 matching lines @@
   }
 
   void _processPending() {
     // _pendingLibraries was recorded in post-order.  Process from the end
     // to ensure reverse post-order.  This will ensure that we handle back
     // edges from the original depth-first search correctly.
 
     while (_pendingLibraries.isNotEmpty) {
       var unit = _pendingLibraries.removeLast();
       var library = unit.library.element.enclosingElement;
-      assert(_compilationRecord[library] == true);
+      assert(_compilationRecord[library] == true ||
+          options.codegenOptions.forceCompile);
 
       // Process dependences one more time to propagate failure from cycles
       for (var import in library.imports) {
         if (!_compilationRecord[import.importedLibrary]) {
           _compilationRecord[library] = false;
         }
       }
       for (var export in library.exports) {
         if (!_compilationRecord[export.exportedLibrary]) {
           _compilationRecord[library] = false;
@@ skipping 354 matching lines @@
     '_rtti.js',
     '_classes.js',
     '_operations.js',
     'dart_runtime.js',
   ];
   files.addAll(corelibOrder.map((l) => l.replaceAll('.', '/') + '.js'));
   return files;
 }();
 
 final _log = new Logger('dev_compiler.src.compiler');