Implement line and column numbers.

pkg/front_end/lib/src/fasta/run.dart

 // Copyright (c) 2016, 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.md file.
 
 library fasta.run;
 
 import 'dart:async' show
     Future;
 
 import 'dart:io' show
     stdout;
 
 import 'package:testing/testing.dart' show
     StdioProcess;
 
 import 'testing/kernel_chain.dart' show
     computeDartVm,
     computePatchedSdk;
 
-import 'compiler_command_line.dart' show
-    CompilerCommandLine;
+import 'compiler_context.dart' show
+    CompilerContext;
 
-Future<int> run(Uri uri, CompilerCommandLine cl) async {
+Future<int> run(Uri uri, CompilerContext c) async {
   Uri sdk = await computePatchedSdk();
   Uri dartVm = computeDartVm(sdk);
   List<String> arguments = <String>["${uri.toFilePath()}"]
-      ..addAll(cl.arguments.skip(1));
-  if (cl.verbose) {
+      ..addAll(c.options.arguments.skip(1));
+  if (c.options.verbose) {
     print("Running ${dartVm.toFilePath()} ${arguments.join(' ')}");
   }
   StdioProcess result = await StdioProcess.run(dartVm.toFilePath(), arguments);
   stdout.write(result.output);
   return result.exitCode;
 }