Make the universe parts into small libraries.

pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart

 // Copyright (c) 2013, 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.ir_builder_task;
 
 import '../closure.dart' as closurelib;
 import '../closure.dart' hide ClosureScope;
 import '../common/names.dart' show
     Names,
@@ skipping 17 matching lines @@
     SyntheticConstantKind;
 import '../resolution/tree_elements.dart' show
     TreeElements;
 import '../resolution/semantic_visitor.dart';
 import '../resolution/send_resolver.dart' show
     SendResolverMixin;
 import '../resolution/operators.dart' as op;
 import '../tree/tree.dart' as ast;
 import '../types/types.dart' show
     TypeMask;
-import '../universe/universe.dart' show
-    CallStructure,
-    Selector,
-    SelectorKind;
+import '../universe/call_structure.dart' show
+    CallStructure;
+import '../universe/selector.dart' show
+    Selector;
 import '../constants/values.dart' show
     ConstantValue;
 import 'cps_ir_nodes.dart' as ir;
 import 'cps_ir_builder.dart';
 import '../native/native.dart' show
     NativeBehavior;
 
 // TODO(karlklose): remove.
 import '../js/js.dart' as js show js, Template, Expression, Name;
 import '../ssa/ssa.dart' show TypeMaskFactory;
@@ skipping 1952 matching lines @@
   @override
   ir.Primitive visitUnresolvedRedirectingFactoryConstructorInvoke(
        ast.NewExpression node,
        ConstructorElement constructor,
        InterfaceType type,
        ast.NodeList arguments,
        CallStructure callStructure, _) {
     String nameString = Elements.reconstructConstructorName(constructor);
     Name name = new Name(nameString, constructor.library);
     return buildStaticNoSuchMethod(
-        new Selector(SelectorKind.CALL, name, callStructure),
+        new Selector.call(name, callStructure),
         translateDynamicArguments(arguments, callStructure));
   }
 
   @override
   ir.Primitive visitUnresolvedSet(
       ast.Send node,
       Element element,
       ast.Node rhs, _) {
     return buildStaticNoSuchMethod(elements.getSelector(node), [visit(rhs)]);
   }
@@ skipping 158 matching lines @@
 
   @override
   ir.Primitive handleStaticSetterInvoke(
       ast.Send node,
       SetterElement setter,
       ast.NodeList arguments,
       CallStructure callStructure, _) {
     // Translate as a method call.
     List<ir.Primitive> args = arguments.nodes.mapToList(visit);
     return buildStaticNoSuchMethod(
-        new Selector(SelectorKind.CALL, setter.memberName, callStructure),
+        new Selector.call(setter.memberName, callStructure),
         args);
   }
 
   @override
   ir.Primitive visitSuperGetterSet(
       ast.SendSet node,
       GetterElement getter,
       ast.Node rhs,
       _) {
     return buildInstanceNoSuchMethod(
@@ skipping 26 matching lines @@
 
   @override
   ir.Primitive visitSuperSetterInvoke(
       ast.Send node,
       SetterElement setter,
       ast.NodeList arguments,
       CallStructure callStructure, _) {
     List<ir.Primitive> args =
         translateDynamicArguments(arguments, callStructure);
     return buildInstanceNoSuchMethod(
-        new Selector(SelectorKind.CALL, setter.memberName, callStructure),
+        new Selector.call(setter.memberName, callStructure),
         elements.getTypeMask(node),
         args);
   }
 
   ir.FunctionDefinition nullIfGiveup(ir.FunctionDefinition action()) {
     try {
       return action();
     } catch(e) {
       if (e == ABORT_IRNODE_BUILDER) {
         return null;
@@ skipping 1319 matching lines @@
     if (compiler.backend.isForeign(function)) {
       return handleForeignCode(node, function, argumentList, callStructure);
     } else {
       return irBuilder.buildStaticFunctionInvocation(function, callStructure,
           translateStaticArguments(argumentList, function, callStructure),
           sourceInformation:
               sourceInformationBuilder.buildCall(node, node.selector));
     }
   }
 }