dart2js: Support checked setters in the program builder.

pkg/compiler/lib/src/js_emitter/program_builder/program_builder.dart

 // Copyright (c) 2014, 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.js_emitter.program_builder;
 
 import '../js_emitter.dart' show computeMixinClass, Emitter;
 import '../model.dart';
 
 import '../../common.dart';
@@ skipping 332 matching lines @@
   /// HACK for Incremental Compilation.
   ///
   /// Returns a class that contains the fields of a class.
   Class buildFieldsHackForIncrementalCompilation(ClassElement element) {
     assert(_compiler.hasIncrementalSupport);
 
     List<Field> instanceFields = _buildFields(element, false);
     js.Name name = namer.className(element);
 
     return new Class(
-        element, name, null, [], instanceFields, [], [], [], [], [], null,
+        element, name, null, [], instanceFields, [], [], [], [], [], [], null,
         isDirectlyInstantiated: true,
         onlyForRti: false,
         isNative: element.isNative);
   }
 
   Class _buildClass(ClassElement element) {
     bool onlyForRti = collector.classesOnlyNeededForRti.contains(element);
 
     List<Method> methods = [];
     List<StubMethod> callStubs = <StubMethod>[];
@@ skipping 59 matching lines @@
     List<Field> instanceFields =
         onlyForRti ? const <Field>[] : _buildFields(element, false);
     List<Field> staticFieldsForReflection =
         onlyForRti ? const <Field>[] : _buildFields(element, true);
 
     TypeTestProperties typeTests =
         runtimeTypeGenerator.generateIsTests(
             element,
             storeFunctionTypeInMetadata: _storeFunctionTypesInMetadata);
 
+    List<StubMethod> checkedSetters = <StubMethod>[];
+    for (Field field in instanceFields) {
+      if (field.needsCheckedSetter) {
+        assert(!field.needsUncheckedSetter);
+        Element element = field.element;
+        js.Expression code = backend.generatedCode[element];
+        assert(code != null);
+        js.Name name = namer.deriveSetterName(field.accessorName);
+        checkedSetters.add(_buildStubMethod(name, code, element: element));
+      }
+    }
+
     List<StubMethod> isChecks = <StubMethod>[];
     typeTests.properties.forEach((js.Name name, js.Node code) {
       isChecks.add(_buildStubMethod(name, code));
     });
 
     js.Name name = namer.className(element);
     String holderName = namer.globalObjectFor(element);
     // TODO(floitsch): we shouldn't update the registry in the middle of
     // building a class.
     Holder holder = _registry.registerHolder(holderName);
     bool isInstantiated =
         _compiler.codegenWorld.directlyInstantiatedClasses.contains(element);
 
     Class result;
     if (element.isMixinApplication && !onlyForRti) {
       assert(!element.isNative);
       assert(methods.isEmpty);
 
       result = new MixinApplication(element,
                                     name, holder,
                                     instanceFields,
                                     staticFieldsForReflection,
                                     callStubs,
                                     typeVariableReaderStubs,
+                                    checkedSetters,
                                     isChecks,
                                     typeTests.functionTypeIndex,
                                     isDirectlyInstantiated: isInstantiated,
                                     onlyForRti: onlyForRti);
     } else {
       result = new Class(element,
                          name, holder, methods, instanceFields,
                          staticFieldsForReflection,
                          callStubs,
                          typeVariableReaderStubs,
                          noSuchMethodStubs,
+                         checkedSetters,
                          isChecks,
                          typeTests.functionTypeIndex,
                          isDirectlyInstantiated: isInstantiated,
                          onlyForRti: onlyForRti,
                          isNative: element.isNative);
     }
     _classes[element] = result;
     return result;
   }
 
@@ skipping 322 matching lines @@
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 
   Holder _registerStaticStateHolder() {
     return _registry.registerHolder(
         namer.staticStateHolder, isStaticStateHolder: true);
   }
 }