Introduce KernelWorldBuilder

pkg/compiler/lib/src/ssa/kernel_impact.dart

 // Copyright (c) 2016, 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.
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
@@ skipping 50 matching lines @@
   });
 }
 
 class KernelImpactBuilder extends ir.Visitor {
   final ResolvedAst resolvedAst;
   final Compiler compiler;
 
   JavaScriptBackend get backend => compiler.backend;
 
   ResolutionWorldImpactBuilder impactBuilder;
-  KernelAstAdapter astAdapter;
+  KernelWorldBuilder astAdapter;
 
   KernelImpactBuilder(this.resolvedAst, this.compiler, Kernel kernel) {
     this.impactBuilder =
         new ResolutionWorldImpactBuilder('${resolvedAst.element}');
     this.astAdapter = new KernelAstAdapter(kernel, compiler.backend,
         resolvedAst, kernel.nodeToAst, kernel.nodeToElement);
   }
 
   /// Add a checked-mode type use of [type] if it is not `dynamic`.
   DartType checkType(ir.DartType irType) {
@@ skipping 24 matching lines @@
   ResolutionImpact buildField(ir.Field field) {
     checkType(field.type);
     if (field.initializer != null) {
       visitNode(field.initializer);
       if (!field.isInstanceMember &&
           !field.isConst &&
           field.initializer is! ir.NullLiteral) {
         impactBuilder.registerFeature(Feature.LAZY_FIELD);
       }
     }
-    if (field.isInstanceMember && astAdapter.isNative(field.enclosingClass)) {
+    if (field.isInstanceMember &&
+        astAdapter.isNativeClass(field.enclosingClass)) {
       impactBuilder
           .registerNativeData(astAdapter.getNativeBehaviorForFieldLoad(field));
       impactBuilder
           .registerNativeData(astAdapter.getNativeBehaviorForFieldStore(field));
     }
     return impactBuilder;
   }
 
   ResolutionImpact buildConstructor(ir.Constructor constructor) {
     handleSignature(constructor.function, checkReturnType: false);
@@ skipping 123 matching lines @@
 
   @override
   void visitConstructorInvocation(ir.ConstructorInvocation node) {
     handleNew(node, node.target, isConst: node.isConst);
   }
 
   void handleNew(ir.InvocationExpression node, ir.Member target,
       {bool isConst: false}) {
     _visitArguments(node.arguments);
     FunctionEntity constructor = astAdapter.getConstructor(target);
-    ClassEntity cls = astAdapter.getClass(target.enclosingClass);
-    List<DartType> typeArguments =
-        astAdapter.getDartTypes(node.arguments.types);
-    InterfaceType type = astAdapter.createInterfaceType(cls, typeArguments);
+    InterfaceType type = astAdapter.createInterfaceType(
+        target.enclosingClass, node.arguments.types);
     CallStructure callStructure = astAdapter.getCallStructure(node.arguments);
     impactBuilder.registerStaticUse(isConst
         ? new StaticUse.constConstructorInvoke(constructor, callStructure, type)
         : new StaticUse.typedConstructorInvoke(
             constructor, callStructure, type));
-    if (typeArguments.any((DartType type) => !type.isDynamic)) {
+    if (type.typeArguments.any((DartType type) => !type.isDynamic)) {
       impactBuilder.registerFeature(Feature.TYPE_VARIABLE_BOUNDS_CHECK);
     }
   }
 
   @override
   void visitSuperInitializer(ir.SuperInitializer node) {
     FunctionEntity target = astAdapter.getConstructor(node.target);
     _visitArguments(node.arguments);
     impactBuilder.registerStaticUse(new StaticUse.superConstructorInvoke(
         target, astAdapter.getCallStructure(node.arguments)));
@@ skipping 38 matching lines @@
         break;
       case ForeignKind.JS_BUILTIN:
         impactBuilder.registerNativeData(
             astAdapter.getNativeBehaviorForJsBuiltinCall(node));
         break;
       case ForeignKind.JS_EMBEDDED_GLOBAL:
         impactBuilder.registerNativeData(
             astAdapter.getNativeBehaviorForJsEmbeddedGlobalCall(node));
         break;
       case ForeignKind.JS_INTERCEPTOR_CONSTANT:
-        if (node.arguments.positional.length != 1 ||
-            node.arguments.named.isNotEmpty) {
-          astAdapter.reporter.reportErrorMessage(CURRENT_ELEMENT_SPANNABLE,
-              MessageKind.WRONG_ARGUMENT_FOR_JS_INTERCEPTOR_CONSTANT);
-        }
-        ir.Node argument = node.arguments.positional.first;
-        if (argument is ir.TypeLiteral && argument.type is ir.InterfaceType) {
-          InterfaceType type = astAdapter.getInterfaceType(argument.type);
+        InterfaceType type =
+            astAdapter.getInterfaceTypeForJsInterceptorCall(node);
+        if (type != null) {
           impactBuilder.registerTypeUse(new TypeUse.instantiation(type));
         }
         break;
       case ForeignKind.NONE:
         break;
     }
   }
 
   @override
   void visitStaticGet(ir.StaticGet node) {
@@ skipping 114 matching lines @@
 
   @override
   void visitStringConcatenation(ir.StringConcatenation node) {
     impactBuilder.registerFeature(Feature.STRING_INTERPOLATION);
     impactBuilder.registerFeature(Feature.STRING_JUXTAPOSITION);
     visitNodes(node.expressions);
   }
 
   @override
   void visitFunctionDeclaration(ir.FunctionDeclaration node) {
-    impactBuilder
-        .registerStaticUse(new StaticUse.closure(astAdapter.getElement(node)));
+    impactBuilder.registerStaticUse(
+        new StaticUse.closure(astAdapter.getLocalFunction(node)));
     handleSignature(node.function);
     visitNode(node.function.body);
   }
 
   @override
   void visitFunctionExpression(ir.FunctionExpression node) {
-    impactBuilder
-        .registerStaticUse(new StaticUse.closure(astAdapter.getElement(node)));
+    impactBuilder.registerStaticUse(
+        new StaticUse.closure(astAdapter.getLocalFunction(node)));
     handleSignature(node.function);
     visitNode(node.function.body);
   }
 
   @override
   void visitVariableDeclaration(ir.VariableDeclaration node) {
     checkType(node.type);
     if (node.initializer != null) {
       visitNode(node.initializer);
     } else {
@@ skipping 81 matching lines @@
     FunctionEntity target = astAdapter.getConstructor(node.target);
     impactBuilder.registerStaticUse(new StaticUse.superConstructorInvoke(
         target, astAdapter.getCallStructure(node.arguments)));
   }
 
   // TODO(johnniwinther): Make this throw and visit child nodes explicitly
   // instead to ensure that we don't visit unwanted parts of the ir.
   @override
   void defaultNode(ir.Node node) => node.visitChildren(this);
 }