Remove ContextClass that is not needed since we're using Vectors

pkg/kernel/lib/transformations/closure/mock.dart

Index: pkg/kernel/lib/transformations/closure/mock.dart
diff --git a/pkg/kernel/lib/transformations/closure/mock.dart b/pkg/kernel/lib/transformations/closure/mock.dart
deleted file mode 100644
index 3ca1ce52ebd3a14ea70c117c5f74d9ddb30c891e..0000000000000000000000000000000000000000
--- a/pkg/kernel/lib/transformations/closure/mock.dart
+++ /dev/null
@@ -1,224 +0,0 @@
-// 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.
-
-library kernel.transformations.closure.mock;
-
-import '../../ast.dart'
-    show
-        Arguments,
-        Block,
-        Class,
-        Constructor,
-        ConstructorInvocation,
-        DartType,
-        DynamicType,
-        EmptyStatement,
-        Expression,
-        ExpressionStatement,
-        Field,
-        FieldInitializer,
-        FunctionNode,
-        Initializer,
-        IntLiteral,
-        Library,
-        MethodInvocation,
-        Name,
-        NullLiteral,
-        Procedure,
-        ProcedureKind,
-        Program,
-        PropertyGet,
-        ReturnStatement,
-        Source,
-        Statement,
-        StaticInvocation,
-        Supertype,
-        TreeNode,
-        VariableDeclaration,
-        VariableGet;
-
-import '../../core_types.dart' show CoreTypes;
-
-import '../../frontend/accessors.dart'
-    show
-        Accessor,
-        IndexAccessor,
-        PropertyAccessor,
-        ThisPropertyAccessor,
-        VariableAccessor;
-
-/// TODO(dmitryas): make the "[]=" operator return the value.
-/// Extend the program with this mock:
-///
-///     class Context {
-///       final List list;
-///       var parent;
-///       Context(int i) : list = new List(i);
-///       operator[] (int i) => list[i];
-///       operator[]= (int i, value) {
-///         list[i] = value;
-///       }
-///       Context copy() {
-///         Context c = new Context(list.length);
-///         c.parent = parent;
-///         c.list.setRange(0, list.length, list);
-///         return c;
-///       }
-///     }
-///
-/// Returns the mock.
-Library mockUpContextLibrary(CoreTypes coreTypes) {
-  String fileUri = "dart:mock";
-
-  ///     final List list;
-  Field listField = new Field(new Name("list"),
-      type: coreTypes.listClass.rawType, isFinal: true, fileUri: fileUri);
-  Accessor listFieldAccessor = new ThisPropertyAccessor(
-      listField.name, listField, null, TreeNode.noOffset);
-
-  ///     var parent;
-  Field parentField = new Field(new Name("parent"), fileUri: fileUri);
-  Accessor parentFieldAccessor = new ThisPropertyAccessor(
-      parentField.name, parentField, parentField, TreeNode.noOffset);
-
-  List<Field> fields = <Field>[listField, parentField];
-
-  ///     Context(int i) : list = new List(i);
-  VariableDeclaration iParameter = new VariableDeclaration("i",
-      type: coreTypes.intClass.rawType, isFinal: true);
-
-  // TODO(karlklose): use the default factory when it is exposed again.
-  Procedure listConstructor = coreTypes.listClass.procedures
-      .firstWhere((Procedure p) => p.name.name == 'filled');
-
-  Constructor constructor = new Constructor(
-      new FunctionNode(new EmptyStatement(),
-          positionalParameters: <VariableDeclaration>[iParameter]),
-      name: new Name(""),
-      initializers: <Initializer>[
-        new FieldInitializer(
-            listField,
-            new StaticInvocation(
-                listConstructor,
-                new Arguments(<Expression>[
-                  new VariableAccessor(iParameter, null, TreeNode.noOffset)
-                      .buildSimpleRead(),
-                  new NullLiteral(),
-                ], types: <DartType>[
-                  const DynamicType()
-                ])))
-      ]);
-
-  ///     operator[] (int i) => list[i];
-  iParameter = new VariableDeclaration("i",
-      type: coreTypes.intClass.rawType, isFinal: true);
-  Accessor accessor = IndexAccessor.make(
-      listFieldAccessor.buildSimpleRead(),
-      new VariableAccessor(iParameter, null, TreeNode.noOffset)
-          .buildSimpleRead(),
-      null,
-      null);
-  Procedure indexGet = new Procedure(
-      new Name("[]"),
-      ProcedureKind.Operator,
-      new FunctionNode(new ReturnStatement(accessor.buildSimpleRead()),
-          positionalParameters: <VariableDeclaration>[iParameter]),
-      fileUri: fileUri);
-
-  ///     operator[]= (int i, value) {
-  ///       list[i] = value;
-  ///     }
-  iParameter = new VariableDeclaration("i",
-      type: coreTypes.intClass.rawType, isFinal: true);
-  VariableDeclaration valueParameter =
-      new VariableDeclaration("value", isFinal: true);
-  accessor = IndexAccessor.make(
-      listFieldAccessor.buildSimpleRead(),
-      new VariableAccessor(iParameter, null, TreeNode.noOffset)
-          .buildSimpleRead(),
-      null,
-      null);
-  Expression expression = accessor.buildAssignment(
-      new VariableAccessor(valueParameter, null, TreeNode.noOffset)
-          .buildSimpleRead(),
-      voidContext: true);
-  Procedure indexSet = new Procedure(
-      new Name("[]="),
-      ProcedureKind.Operator,
-      new FunctionNode(new ExpressionStatement(expression),
-          positionalParameters: <VariableDeclaration>[
-            iParameter,
-            valueParameter
-          ]),
-      fileUri: fileUri);
-
-  ///       Context copy() {
-  ///         Context c = new Context(list.length);
-  ///         c.parent = parent;
-  ///         c.list.setRange(0, list.length, list);
-  ///         return c;
-  ///       }
-  VariableDeclaration c = new VariableDeclaration("c",
-      initializer: new ConstructorInvocation(
-          constructor,
-          new Arguments(<Expression>[
-            new PropertyGet(
-                listFieldAccessor.buildSimpleRead(), new Name("length"))
-          ])));
-  Accessor accessCParent = PropertyAccessor.make(
-      new VariableGet(c), parentField.name, parentField, parentField);
-  Accessor accessCList = PropertyAccessor.make(
-      new VariableGet(c), listField.name, listField, null);
-  List<Statement> statements = <Statement>[
-    c,
-    new ExpressionStatement(accessCParent.buildAssignment(
-        parentFieldAccessor.buildSimpleRead(),
-        voidContext: true)),
-    new ExpressionStatement(new MethodInvocation(
-        accessCList.buildSimpleRead(),
-        new Name("setRange"),
-        new Arguments(<Expression>[
-          new IntLiteral(0),
-          new PropertyGet(
-              listFieldAccessor.buildSimpleRead(), new Name("length")),
-          listFieldAccessor.buildSimpleRead()
-        ]))),
-    new ReturnStatement(new VariableGet(c))
-  ];
-  Procedure copy = new Procedure(new Name("copy"), ProcedureKind.Method,
-      new FunctionNode(new Block(statements)),
-      fileUri: fileUri);
-
-  List<Procedure> procedures = <Procedure>[indexGet, indexSet, copy];
-
-  Class contextClass = new Class(
-      name: "Context",
-      supertype: new Supertype(coreTypes.objectClass, const <DartType>[]),
-      constructors: [constructor],
-      fields: fields,
-      procedures: procedures,
-      fileUri: fileUri);
-  Library mock =
-      new Library(Uri.parse(fileUri), name: "mock", classes: [contextClass])
-        ..fileUri = fileUri;
-
-  return mock;
-}
-
-Class mockUpContextForLibraries(CoreTypes coreTypes, List<Library> libraries) {
-  Library mock = mockUpContextLibrary(coreTypes);
-  Program parent = libraries.length > 0 ? libraries[0]?.parent : null;
-  libraries.add(mock);
-  mock.parent = parent;
-  parent?.uriToSource[mock.fileUri] = new Source(<int>[0], const <int>[]);
-  return mock.classes[0];
-}
-
-Class mockUpContextForProgram(CoreTypes coreTypes, Program program) {
-  Library mock = mockUpContextLibrary(coreTypes);
-  program.libraries.add(mock);
-  mock.parent = program;
-  program.uriToSource[mock.fileUri] = new Source(<int>[0], const <int>[]);
-  return mock.classes[0];
-}