Support optional package name arguments to --show-package-warnings

pkg/compiler/lib/src/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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show
     EventSink,
     Future;
 
@@ skipping 1646 matching lines @@
                   [Map arguments = const {}]) {
     reportDiagnosticInternal(
         createMessage(node, messageKind, arguments),
         const <DiagnosticMessage>[],
         api.Diagnostic.INFO);
   }
 
   void reportDiagnosticInternal(DiagnosticMessage message,
                                 List<DiagnosticMessage> infos,
                                 api.Diagnostic kind) {
-    if (!options.showPackageWarnings &&
+    if (!options.showAllPackageWarnings &&
         message.spannable != NO_LOCATION_SPANNABLE) {
       switch (kind) {
       case api.Diagnostic.WARNING:
       case api.Diagnostic.HINT:
         Element element = elementFromSpannable(message.spannable);
         if (!compiler.inUserCode(element, assumeInUserCode: true)) {
           Uri uri = compiler.getCanonicalUri(element);
+          if (options.showPackageWarningsFor(uri)) {
+            reportDiagnostic(message, infos, kind);
+            return;
+          }
           SuppressionInfo info =
               suppressedWarnings.putIfAbsent(uri, () => new SuppressionInfo());
           if (kind == api.Diagnostic.WARNING) {
             info.warnings++;
           } else {
             info.hints++;
           }
           lastDiagnosticWasFiltered = true;
           return;
         }
@@ skipping 240 matching lines @@
     throw error;
   }
 
   void onCrashInUserCode(String message, exception, stackTrace) {
     hasCrashed = true;
     print('$message: ${tryToString(exception)}');
     print(tryToString(stackTrace));
   }
 
   void reportSuppressedMessagesSummary() {
-    if (!options.showPackageWarnings && !options.suppressWarnings) {
+    if (!options.showAllPackageWarnings && !options.suppressWarnings) {
       suppressedWarnings.forEach((Uri uri, SuppressionInfo info) {
         MessageKind kind = MessageKind.HIDDEN_WARNINGS_HINTS;
         if (info.warnings == 0) {
           kind = MessageKind.HIDDEN_HINTS;
         } else if (info.hints == 0) {
           kind = MessageKind.HIDDEN_WARNINGS;
         }
         MessageTemplate template = MessageTemplate.TEMPLATES[kind];
         Message message = template.message(
             {'warnings': info.warnings,
@@ skipping 148 matching lines @@
     if (_otherDependencies == null) {
       _otherDependencies = new Setlet<Element>();
     }
     _otherDependencies.add(element.implementation);
   }
 
   Iterable<Element> get otherDependencies {
     return _otherDependencies != null ? _otherDependencies : const <Element>[];
   }
 }