Add access the Message in CompilerDiagnostics.report.

pkg/compiler/lib/compiler_new.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.
 
 /// New Compiler API. This API is under construction, use only internally or
 /// in unittests.
 
 library compiler_new;
 
 import 'dart:async';
@@ skipping 49 matching lines @@
 /// Interface for receiving diagnostic message from the compiler. That is,
 /// errors, warnings, hints, etc.
 abstract class CompilerDiagnostics {
   /// Invoked by the compiler to report diagnostics. If [uri] is `null`, so are
   /// [begin] and [end]. No other arguments may be `null`. If [uri] is not
   /// `null`, neither are [begin] and [end]. [uri] indicates the compilation
   /// unit from where the diagnostic originates. [begin] and [end] are
   /// zero-based character offsets from the beginning of the compilation unit.
   /// [message] is the diagnostic message, and [kind] indicates indicates what
   /// kind of diagnostic it is.
-  void report(Uri uri, int begin, int end, String message, Diagnostic kind);
+  ///
+  /// Experimental: [code] gives access to an id for the messages. Currently it
+  /// is the [Message] used to create the diagnostic, if available, from which
+  /// the [MessageKind] is accessible.
+  void report(var code,
+              Uri uri, int begin, int end, String text, Diagnostic kind);
 }
 
 /// Information resulting from the compilation.
 class CompilationResult {
   /// `true` if the compilation succeeded, that is, compilation didn't fail due
   /// to compile-time errors and/or internal errors.
   final bool isSuccess;
 
   /// The compiler object used for the compilation.
   ///
@@ skipping 89 matching lines @@
       compilerOptions.libraryRoot,
       compilerOptions.packageRoot,
       compilerOptions.options,
       compilerOptions.environment,
       compilerOptions.packageConfig,
       compilerOptions.packagesDiscoveryProvider);
   return compiler.run(compilerOptions.entryPoint).then((bool success) {
     return new CompilationResult(compiler, isSuccess: success);
   });
 }