Revert "Towards compiling Hello World!" and "Compile and run Hello World!"

pkg/compiler/lib/src/ssa/kernel_ast_adapter.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:js_runtime/shared/embedded_names.dart';
 import 'package:kernel/ast.dart' as ir;
 
 import '../closure.dart';
 import '../common.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
 import '../constants/values.dart';
 import '../common_elements.dart';
 import '../elements/elements.dart';
 import '../elements/entities.dart';
 import '../elements/jumps.dart';
 import '../elements/modelx.dart';
 import '../elements/resolution_types.dart';
 import '../elements/types.dart';
+import '../js/js.dart' as js;
 import '../js_backend/js_backend.dart';
 import '../kernel/element_map.dart';
 import '../kernel/kernel.dart';
 import '../native/native.dart' as native;
 import '../resolution/tree_elements.dart';
 import '../tree/tree.dart' as ast;
 import '../types/masks.dart';
 import '../types/types.dart';
 import '../universe/selector.dart';
 import '../world.dart';
@@ skipping 203 matching lines @@
       {bool isContinueTarget: false}) {
     return _jumpTargets.putIfAbsent(node, () {
       if (node is ir.LabeledStatement && _jumpTargets.containsKey(node.body)) {
         return _jumpTargets[node.body];
       }
       return new KernelJumpTarget(node, this,
           makeContinueLabel: isContinueTarget);
     });
   }
 
+  js.Name getNameForJsGetName(ir.Node argument, ConstantValue constant) {
+    int index = _extractEnumIndexFromConstantValue(
+        constant, _compiler.resolution.commonElements.jsGetNameEnum);
+    if (index == null) return null;
+    return _backend.namer
+        .getNameForJsGetName(getNode(argument), JsGetName.values[index]);
+  }
+
+  js.Template getJsBuiltinTemplate(ConstantValue constant) {
+    int index = _extractEnumIndexFromConstantValue(
+        constant, _compiler.resolution.commonElements.jsBuiltinEnum);
+    if (index == null) return null;
+    return _backend.emitter.builtinTemplateFor(JsBuiltin.values[index]);
+  }
+
+  int _extractEnumIndexFromConstantValue(
+      ConstantValue constant, ClassEntity classElement) {
+    if (constant is ConstructedConstantValue) {
+      if (constant.type.element == classElement) {
+        assert(constant.fields.length == 1 || constant.fields.length == 2);
+        ConstantValue indexConstant = constant.fields.values.first;
+        if (indexConstant is IntConstantValue) {
+          return indexConstant.primitiveValue;
+        }
+      }
+    }
+    return null;
+  }
+
   DartType getDartType(ir.DartType type) {
     return _typeConverter.convert(type);
   }
 
   List<DartType> getDartTypes(List<ir.DartType> types) {
     return types.map(getDartType).toList();
   }
 
   /// Computes the function type corresponding the signature of [node].
   FunctionType getFunctionType(ir.FunctionNode node) {
@@ skipping 360 matching lines @@
   TypeMask selectorTypeOf(Selector selector, TypeMask mask) {
     return TypeMaskFactory.inferredTypeForSelector(
         selector, mask, _globalInferenceResults);
   }
 
   TypeMask typeFromNativeBehavior(
       native.NativeBehavior nativeBehavior, ClosedWorld closedWorld) {
     return TypeMaskFactory.fromNativeBehavior(nativeBehavior, closedWorld);
   }
 }