Revert "dart2js-kernel: implement native static methods"

pkg/compiler/lib/src/ssa/builder_kernel.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 '../closure.dart';
 import '../common.dart';
 import '../common/codegen.dart' show CodegenRegistry;
 import '../common/names.dart';
@@ skipping 701 matching lines @@
           // `sourceInformationBuilder.buildIf(?)`.
         );
       }
     }
     functionNode.body.accept(this);
     closeFunction();
   }
 
   /// Builds a SSA graph for FunctionNodes of external methods.
   void buildExternalFunctionNode(ir.FunctionNode functionNode) {
-    assert(functionNode.body == null);
     openFunction(functionNode);
     ir.TreeNode parent = functionNode.parent;
     if (parent is ir.Procedure && parent.kind == ir.ProcedureKind.Factory) {
       _addClassTypeVariablesIfNeeded(parent);
     }
-
-    if (closedWorld.nativeData.isNativeMember(targetElement)) {
-      String nativeName;
-      if (closedWorld.nativeData.hasFixedBackendName(targetElement)) {
-        nativeName = closedWorld.nativeData.getFixedBackendName(targetElement);
-      } else {
-        nativeName = targetElement.name.name;
-      }
-
-      String templateReceiver = '';
-      List<String> templateArguments = <String>[];
-      List<HInstruction> inputs = <HInstruction>[];
-      if (targetElement.isInstanceMember) {
-        templateReceiver = '#.';
-        inputs.add(localsHandler.readThis());
-      }
-
-      for (ir.VariableDeclaration param in functionNode.positionalParameters) {
-        templateArguments.add('#');
-        Local local = localsMap.getLocalVariable(param);
-        // Convert Dart function to JavaScript function.
-        HInstruction argument = localsHandler.readLocal(local);
-        ir.DartType type = param.type;
-        if (type is ir.FunctionType) {
-          int arity = type.positionalParameters.length;
-          _pushStaticInvocation(
-              _commonElements.closureConverter,
-              [argument, graph.addConstantInt(arity, closedWorld)],
-              commonMasks.dynamicType);
-          argument = pop();
-        }
-        inputs.add(argument);
-      }
-
-      String arguments = templateArguments.join(',');
-
-      // TODO(sra): Use declared type or NativeBehavior type.
-      TypeMask typeMask = commonMasks.dynamicType;
-      String template;
-      if (targetElement.isGetter) {
-        template = '${templateReceiver}$nativeName';
-      } else if (targetElement.isSetter) {
-        template = '${templateReceiver}$nativeName = ${arguments}';
-      } else {
-        template = '${templateReceiver}$nativeName(${arguments})';
-      }
-
-      push(new HForeignCode(
-          js.js.uncachedExpressionTemplate(template), typeMask, inputs,
-          effects: new SideEffects()));
-      // TODO(johnniwinther): Provide source information.
-      HInstruction value = pop();
-      if (targetElement.isSetter) {
-        value = graph.addConstantNull(closedWorld);
-      }
-      close(new HReturn(value, null)).addSuccessor(graph.exit);
-    }
-    // TODO(sra): Handle JS-interop methods.
+    // TODO(sra): Generate conversion of Function typed arguments to JavaScript
+    // functions.
+    // TODO(sra): Invoke native method.
+    assert(functionNode.body == null);
     closeFunction();
   }
 
   void addImplicitInstantiation(DartType type) {
     if (type != null) {
       currentImplicitInstantiations.add(type);
     }
   }
 
   void removeImplicitInstantiation(DartType type) {
@@ skipping 2943 matching lines @@
     enterBlock.setBlockFlow(
         new HTryBlockInformation(
             kernelBuilder.wrapStatementGraph(bodyGraph),
             exception,
             kernelBuilder.wrapStatementGraph(catchGraph),
             kernelBuilder.wrapStatementGraph(finallyGraph)),
         exitBlock);
     kernelBuilder.inTryStatement = previouslyInTryStatement;
   }
 }