Convert closures in all initializers, and share the context between them.

pkg/kernel/lib/transformations/argument_extraction_for_redirecting.dart

Index: pkg/kernel/lib/transformations/argument_extraction_for_redirecting.dart
diff --git a/pkg/kernel/lib/transformations/argument_extraction_for_redirecting.dart b/pkg/kernel/lib/transformations/argument_extraction_for_redirecting.dart
deleted file mode 100644
index 39cb7e230c674bcf61d301fdfeb58642214170bd..0000000000000000000000000000000000000000
--- a/pkg/kernel/lib/transformations/argument_extraction_for_redirecting.dart
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright (c) 2017, 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 kernel.transformations.argument_extraction_for_redirecting;
-
-import '../ast.dart'
-    show
-        Program,
-        Constructor,
-        RedirectingInitializer,
-        Library,
-        LocalInitializer,
-        VariableDeclaration,
-        VariableGet,
-        Expression,
-        NamedExpression;
-import '../core_types.dart' show CoreTypes;
-import '../visitor.dart' show Transformer;
-
-Program transformProgram(CoreTypes coreTypes, Program program) {
-  new ArgumentExtractionForRedirecting().visitProgram(program);
-  return program;
-}
-
-void transformLibraries(CoreTypes coreTypes, List<Library> libraries) {
-  var transformer = new ArgumentExtractionForRedirecting();
-  for (var library in libraries) {
-    transformer.visitLibrary(library);
-  }
-}
-
-class ArgumentExtractionForRedirecting extends Transformer {
-  visitConstructor(Constructor node) {
-    if (node.initializers.length == 1 &&
-        node.initializers[0] is RedirectingInitializer) {
-      int index = 0;
-      RedirectingInitializer redirectingInitializer = node.initializers[0];
-      List<Expression> positionalArguments =
-          redirectingInitializer.arguments.positional;
-      List<NamedExpression> namedArguments =
-          redirectingInitializer.arguments.named;
-      for (int i = 0; i < positionalArguments.length; i++) {
-        Expression argument = positionalArguments[i];
-        VariableDeclaration extractedArgument =
-            new VariableDeclaration("extracted#$index", initializer: argument);
-        LocalInitializer initializer = new LocalInitializer(extractedArgument)
-          ..parent = node;
-        node.initializers.insert(index++, initializer);
-        positionalArguments[i] = new VariableGet(extractedArgument)
-          ..parent = redirectingInitializer.arguments;
-      }
-      for (int i = 0; i < namedArguments.length; i++) {
-        Expression argument = namedArguments[i].value;
-        VariableDeclaration extractedArgument =
-            new VariableDeclaration("extracted#$index", initializer: argument);
-        LocalInitializer initializer = new LocalInitializer(extractedArgument)
-          ..parent = node;
-        node.initializers.insert(index++, initializer);
-        namedArguments[i].value = new VariableGet(extractedArgument)
-          ..parent = redirectingInitializer.arguments;
-      }
-    }
-    return super.visitConstructor(node);
-  }
-}