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pkg/front_end/example/incremental_reload/compiler_with_invalidation.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.
 
 /// A wrapper on top of the [IncrementalKernelGenerator] that tracks
 /// file modifications between subsequent compilation requests and only
 /// invalidates those files that appear to be modified.
 library front_end.example.incremental_reload.compiler_with_invalidation;
 
 import 'dart:io';
@@ skipping 139 matching lines @@
   Program program;
 }
 
 /// Request a recompile and possibly a reload, and gather timing metrics.
 Future<CompilationResult> rebuild(
     IncrementalCompiler compiler, Uri outputUri) async {
   var result = new CompilationResult();
   try {
     var program = result.program = await compiler.recompile();
     if (program != null && !program.libraries.isEmpty) {
-      // TODO(sigmund): the incremental generator should set the main method
-      // directly.
-      var mainLib = program.libraries.last;
-      program.mainMethod =
-          mainLib.procedures.firstWhere((p) => p.name.name == 'main');
       var sink = new File.fromUri(outputUri).openWrite();
-
       // TODO(sigmund): should the incremental generator always filter these
       // libraries instead?
       new LimitedBinaryPrinter(
               sink, (library) => library.importUri.scheme != 'dart')
           .writeProgramFile(program);
       await sink.close();
     }
   } catch (e, t) {
     result.errorDetails = 'compilation error: $e, $t';
     result.errorSeen = true;
   }
 
   result.changed = compiler.changed;
   result.totalFiles = compiler.lastModified.length;
   result.invalidateTime = compiler.invalidateTime;
   result.compileTime = compiler.compileTime;
   result.reloadTime = 0;
   return result;
 }