Support per-library serialization.

tests/compiler/dart2js/serialization_test.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.
 
 library dart2js.serialization_test;
 
 import 'dart:io';
 import 'memory_compiler.dart';
 import 'package:async_helper/async_helper.dart';
+import 'package:compiler/src/commandline_options.dart';
 import 'package:compiler/src/constants/constructors.dart';
 import 'package:compiler/src/constants/expressions.dart';
 import 'package:compiler/src/dart_types.dart';
 import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/diagnostics/invariant.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:compiler/src/elements/visitor.dart';
 import 'package:compiler/src/ordered_typeset.dart';
 import 'package:compiler/src/serialization/element_serialization.dart';
 import 'package:compiler/src/serialization/json_serializer.dart';
@@ skipping 20 matching lines @@
         print("Multiple entrypoints is not supported.");
       }
       entryPoint = Uri.parse(arg);
     }
   }
   if (entryPoint == null) {
     entryPoint = Uri.parse('dart:core');
   }
   asyncTest(() async {
     CompilationResult result = await runCompiler(
-        entryPoint: entryPoint, options: ['--analyze-all']);
+        entryPoint: entryPoint, options: [Flags.analyzeAll]);
     Compiler compiler = result.compiler;
     testSerialization(compiler.libraryLoader.libraries,
                       outPath: outPath,
                       prettyPrint: prettyPrint);
   });
 }
 
 void testSerialization(Iterable<LibraryElement> libraries1,
                        {String outPath,
                         bool prettyPrint}) {
-  Serializer serializer = new Serializer(const JsonSerializationEncoder());
+  Serializer serializer = new Serializer();
   for (LibraryElement library1 in libraries1) {
     serializer.serialize(library1);
   }
-  String text = serializer.toText();
+  String text = serializer.toText(const JsonSerializationEncoder());
   String outText = text;
   if (prettyPrint) {
     outText = serializer.prettyPrint();
   }
   if (outPath != null) {
     new File(outPath).writeAsStringSync(outText);
   } else if (prettyPrint) {
     print(outText);
   }
 
   Deserializer deserializer = new Deserializer.fromText(
+      new DeserializationContext(),
       text, const JsonSerializationDecoder());
   List<LibraryElement> libraries2 = <LibraryElement>[];
   for (LibraryElement library1 in libraries1) {
     LibraryElement library2 =
         deserializer.lookupLibrary(library1.canonicalUri);
     if (library2 == null) {
       throw new ArgumentError('No library ${library1.canonicalUri} found.');
     }
     checkLibraryContent('library1', 'library2', 'library', library1, library2);
     libraries2.add(library2);
   }
 
-  Serializer serializer2 = new Serializer(const JsonSerializationEncoder());
+  Serializer serializer2 = new Serializer();
   for (LibraryElement library2 in libraries2) {
     serializer2.serialize(library2);
   }
-  String text2 = serializer2.toText();
+  String text2 = serializer2.toText(const JsonSerializationEncoder());
 
   Deserializer deserializer3 = new Deserializer.fromText(
+      new DeserializationContext(),
       text2, const JsonSerializationDecoder());
   for (LibraryElement library1 in libraries1) {
     LibraryElement library2 =
         deserializer.lookupLibrary(library1.canonicalUri);
     if (library2 == null) {
       throw new ArgumentError('No library ${library1.canonicalUri} found.');
     }
     LibraryElement library3 =
         deserializer3.lookupLibrary(library1.canonicalUri);
     if (library3 == null) {
@@ skipping 435 matching lines @@
     }
     for (Element member in members2) {
       names.add(member.name);
     }
     element1 = element1.implementation;
     element2 = element2.implementation;
     for (String name in names) {
       Element member1 = element1.localLookup(name);
       Element member2 = element2.localLookup(name);
       if (member1 == null) {
-        print('Missing member for $member2 in\n ${members1.join('\n ')}');
-        continue;
+        // TODO(johnniwinther): Ensure abstract fields are handled correctly.
+        String message =
+            'Missing member for $member2 in\n ${members1.join('\n ')}';
+        if (member2.isAbstractField) {
+          print(message);
+          continue;
+        } else {
+          throw message;
+        }
       }
       if (member2 == null) {
-        print('Missing member for $member1 in\n ${members2.join('\n ')}');
-        continue;
+        // TODO(johnniwinther): Ensure abstract fields are handled correctly.
+        String message =
+            'Missing member for $member1 in\n ${members2.join('\n ')}';
+        if (member1.isAbstractField) {
+          print(message);
+          continue;
+        } else {
+          throw message;
+        }
       }
+      //print('Checking member ${member1} against ${member2}');
       visit(member1, member2);
     }
   }
 
   @override
   void visitClassElement(ClassElement element1, ClassElement element2) {
     checkElementIdentities(null, null, null, element1, element2);
     check(element1, element2, 'name',
           element1.name, element2.name);
     check(element1, element2, 'sourcePosition',
@@ skipping 46 matching lines @@
     checkTypeLists(
         element1, element2, 'types',
         typeSet1.types.toList(),
         typeSet2.types.toList());
 
     checkTypeLists(
         element1, element2, 'interfaces',
         element1.interfaces.toList(),
         element2.interfaces.toList());
 
+    List<ConstructorElement> getConstructors(ClassElement cls) {
+      return cls.implementation.constructors.map((c) => c.declaration).toList();
+    }
+
+    checkElementLists(
+        element1, element2, 'constructors',
+        getConstructors(element1),
+        getConstructors(element2));
+
     visitMembers(element1, element2);
   }
 
   @override
   void visitFieldElement(FieldElement element1, FieldElement element2) {
     checkElementIdentities(null, null, null, element1, element2);
     check(element1, element2, 'name',
           element1.name, element2.name);
     check(element1, element2, 'sourcePosition',
           element1.sourcePosition, element2.sourcePosition);
@@ skipping 466 matching lines @@
         exp1, exp2, 'expression',
         exp1.expression, exp2.expression);
   }
 
   @override
   visitDeferred(DeferredConstantExpression exp1,
                 DeferredConstantExpression exp2) {
     // TODO: implement visitDeferred
   }
 }