Kernel debugging; service tests

pkg/kernel/lib/ast.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.
 
 /// -----------------------------------------------------------------------
 ///                           ERROR HANDLING
 /// -----------------------------------------------------------------------
 ///
 /// As a rule of thumb, errors that can be detected statically are handled by
 /// the frontend, typically by translating the erroneous code into a 'throw' or
@@ skipping 77 matching lines @@
 /// A mutable AST node with a parent pointer.
 ///
 /// This is anything other than [Name] and [DartType] nodes.
 abstract class TreeNode extends Node {
   static int _hashCounter = 0;
   final int hashCode = _hashCounter = (_hashCounter + 1) & 0x3fffffff;
   static const int noOffset = -1;
 
   TreeNode parent;
 
-  /// Offset in the source file it comes from. Valid values are from 0 and up,
-  /// or -1 ([noOffset]) if the file offset is not available
-  /// (this is the default if none is specifically set).
+  /// Offset in the source file it comes from.
+  ///
+  /// Valid values are from 0 and up, or -1 ([noOffset]) if the file offset is
+  /// not available (this is the default if none is specifically set).
   int fileOffset = noOffset;
 
   accept(TreeVisitor v);
   visitChildren(Visitor v);
   transformChildren(Transformer v);
 
   /// Replaces [child] with [replacement].
   ///
   /// The caller is responsible for ensuring that the AST remains a tree.  In
   /// particular, [replacement] should be an orphan or be part of an orphaned
@@ skipping 3195 matching lines @@
 
 /// Declaration of a local variable.
 ///
 /// This may occur as a statement, but is also used in several non-statement
 /// contexts, such as in [ForStatement], [Catch], and [FunctionNode].
 ///
 /// When this occurs as a statement, it must be a direct child of a [Block].
 //
 // DESIGN TODO: Should we remove the 'final' modifier from variables?
 class VariableDeclaration extends Statement {
+  /// Offset of the equals sign in the source file it comes from.
+  ///
+  /// Valid values are from 0 and up, or -1 ([TreeNode.noOffset])
+  /// if the equals sign offset is not available (e.g. if not initialized)
+  /// (this is the default if none is specifically set).
+  int fileEqualsOffset = TreeNode.noOffset;
+
   /// For named parameters, this is the name of the parameter. No two named
   /// parameters (in the same parameter list) can have the same name.
   ///
   /// In all other cases, the name is cosmetic, may be empty or null,
   /// and is not necessarily unique.
   String name;
   int flags = 0;
   DartType type; // Not null, defaults to dynamic.
   InferredValue inferredValue; // May be null.
 
@@ skipping 740 matching lines @@
 /// library has not been assigned a canonical name yet.
 ///
 /// Returns `null` if the library is `null`.
 CanonicalName getCanonicalNameOfLibrary(Library library) {
   if (library == null) return null;
   if (library.canonicalName == null) {
     throw '$library has no canonical name';
   }
   return library.canonicalName;
 }