cps-ir: Implement type tests for interface types without type arguments.

pkg/compiler/lib/src/js_backend/codegen/glue.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 code_generator_dependencies;
 
 import '../js_backend.dart';
 import '../../dart2jslib.dart';
 import '../../js_emitter/js_emitter.dart';
 import '../../js/js.dart' as js;
 import '../../constants/values.dart';
 import '../../elements/elements.dart';
 import '../../constants/expressions.dart';
-import '../../dart_types.dart' show DartType, TypeVariableType;
+import '../../dart_types.dart' show DartType, TypeVariableType, InterfaceType;
 
 /// Encapsulates the dependencies of the function-compiler to the compiler,
 /// backend and emitter.
 // TODO(sigurdm): Should be refactored when we have a better feeling for the
 // interface.
 class Glue {
   final Compiler _compiler;
 
+  CodegenEnqueuer get _enqueuer => _compiler.enqueuer.codegen;
+
+  FunctionElement get getInterceptorMethod => _backend.getInterceptorMethod;
+
   JavaScriptBackend get _backend => _compiler.backend;
 
   CodeEmitterTask get _emitter => _backend.emitter;
+
   Namer get _namer => _backend.namer;
 
   Glue(this._compiler);
 
   js.Expression constantReference(ConstantValue value) {
     return _emitter.constantReference(value);
   }
 
   Element getStringConversion() {
     return _backend.getStringInterpolationHelper();
@@ skipping 28 matching lines @@
   ConstructorElement get mapLiteralConstructorEmpty {
     return _backend.mapLiteralConstructorEmpty;
   }
 
   FunctionElement get identicalFunction => _compiler.identicalFunction;
 
   String invocationName(Selector selector) {
     return _namer.invocationName(selector);
   }
 
-  FunctionElement get getInterceptorMethod => _backend.getInterceptorMethod;
-
   void registerUseInterceptorInCodegen() {
-    _backend.registerUseInterceptor(_compiler.enqueuer.codegen);
+    _backend.registerUseInterceptor(_enqueuer);
   }
 
   bool isInterceptedSelector(Selector selector) {
     return _backend.isInterceptedSelector(selector);
   }
 
   bool isInterceptedMethod(Element element) {
     return _backend.isInterceptedMethod(element);
   }
 
@@ skipping 54 matching lines @@
   }
 
   FunctionElement getTypeArgumentWithSubstitution() {
     return _backend.getGetRuntimeTypeArgument();
   }
 
   FunctionElement getTypeArgumentByIndex() {
     return _backend.getGetTypeArgumentByIndex();
   }
 
+  FunctionElement getAddRuntimeTypeInformation() {
+    return _backend.getSetRuntimeTypeInfo();
+  }
+
   js.Expression getSubstitutionName(ClassElement cls) {
     return js.string(_namer.substitutionName(cls));
   }
 
   int getTypeVariableIndex(TypeVariableType variable) {
     return RuntimeTypes.getTypeVariableIndex(variable.element);
   }
 
   bool needsSubstitutionForTypeVariableAccess(ClassElement cls) {
     ClassWorld classWorld = _compiler.world;
     if (classWorld.isUsedAsMixin(cls)) return true;
 
     Iterable<ClassElement> subclasses = _compiler.world.strictSubclassesOf(cls);
     return subclasses.any((ClassElement subclass) {
       return !_backend.rti.isTrivialSubstitution(subclass, cls);
     });
   }
 
-  FunctionElement getAddRuntimeTypeInformation() {
-    return _backend.getSetRuntimeTypeInfo();
-  }
-
   js.Expression generateTypeRepresentation(DartType dartType,
                                            List<js.Expression> arguments) {
     int variableIndex = 0;
     js.Expression representation = _backend.rti.getTypeRepresentation(
         dartType,
         (_) => arguments[variableIndex++]);
     assert(variableIndex == arguments.length);
     return representation;
   }
+
+  bool isNativePrimitiveType(DartType type) {
+    if (type is! InterfaceType) return false;
+    return _backend.isNativePrimitiveType(type.element);
+  }
+
+  void registerIsCheck(DartType type, Registry registry) {
+    _enqueuer.registerIsCheck(type, registry);
+    _backend.registerIsCheckForCodegen(type, _enqueuer, registry);
+  }
+
+  bool isIntClass(ClassElement cls) => cls == _compiler.intClass;
+
+  bool isStringClass(ClassElement cls) => cls == _compiler.stringClass;
+
+  bool isBoolClass(ClassElement cls) => cls == _compiler.boolClass;
+
+  bool isNumClass(ClassElement cls) => cls == _compiler.numClass;
+
+  bool isDoubleClass(ClassElement cls) => cls == _compiler.doubleClass;
+
+  String getTypeTestTag(DartType type) {
+    return _backend.namer.operatorIsType(type);
+  }
 }