analyzer_experimental checkpoint and AnalysisContext example.

pkg/analyzer_experimental/lib/src/generated/ast.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.ast;
 
 import 'dart:collection';
 import 'java_core.dart';
 import 'java_engine.dart';
 import 'error.dart';
 import 'source.dart' show LineInfo;
@@ skipping 7397 matching lines @@
   Token get propertyKeyword => _propertyKeyword;
   /**
    * Return the return type of the method, or {@code null} if no return type was declared.
    * @return the return type of the method
    */
   TypeName get returnType => _returnType;
   /**
    * Return {@code true} if this method is declared to be an abstract method.
    * @return {@code true} if this method is declared to be an abstract method
    */
-  bool isAbstract() => _modifierKeyword != null && identical(((_modifierKeyword as KeywordToken)).keyword, Keyword.ABSTRACT);
+  bool isAbstract() => _externalKeyword == null && (_body is EmptyFunctionBody);
   /**
    * Return {@code true} if this method declares a getter.
    * @return {@code true} if this method declares a getter
    */
   bool isGetter() => _propertyKeyword != null && identical(((_propertyKeyword as KeywordToken)).keyword, Keyword.GET);
   /**
    * Return {@code true} if this method declares an operator.
    * @return {@code true} if this method declares an operator
    */
   bool isOperator() => _operatorKeyword != null;
@@ skipping 5581 matching lines @@
     return elements[elements.length - 1].endToken;
   }
   /**
    * Return the node that is the parent of each of the elements in the list.
    * @return the node that is the parent of each of the elements in the list
    */
   ASTNode getOwner() {
     return owner;
   }
 }