Update documentation for InvocationExpression and implicit setters

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 766 matching lines @@
 
   /// If true, a setter should be generated for this field.
   ///
   /// If false, there may or may not exist an explicit setter in the same class
   /// with the same name as the field.
   ///
   /// Final fields never have implicit setters, but a field without an implicit
   /// setter is not necessarily final, as it may be mutated by direct field
   /// access.
   ///
-  /// By default, all non-static, non-final fields have implicit getters.
+  /// By default, all non-static, non-final fields have implicit setters.
   bool get hasImplicitSetter => flags & FlagHasImplicitSetter != 0;
 
   void set isFinal(bool value) {
     flags = value ? (flags | FlagFinal) : (flags & ~FlagFinal);
   }
 
   void set isConst(bool value) {
     flags = value ? (flags | FlagConst) : (flags & ~FlagConst);
   }
 
@@ skipping 1129 matching lines @@
   }
 
   transformChildren(Transformer v) {
     if (value != null) {
       value = value.accept(v);
       value?.parent = this;
     }
   }
 }
 
-/// Common super class for [MethodInvocation], [SuperMethodInvocation],
-/// [StaticInvocation], and [ConstructorInvocation].
+/// Common super class for [DirectMethodInvocation], [MethodInvocation],
+/// [SuperMethodInvocation], [StaticInvocation], and [ConstructorInvocation].
 abstract class InvocationExpression extends Expression {
   Arguments get arguments;
   set arguments(Arguments value);
 
   /// Name of the invoked method.
   ///
   /// May be `null` if the target is a synthetic static member without a name.
   Name get name;
 }
 
@@ skipping 2326 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;
 }