Parse break and continue statements with Fasta.

pkg/front_end/lib/src/fasta/analyzer/ast_builder.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.
 
 library fasta.analyzer.ast_builder;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast_factory.dart' show AstFactory;
 import 'package:analyzer/dart/ast/standard_ast_factory.dart' as standard;
 import 'package:analyzer/dart/ast/token.dart' as analyzer show Token;
@@ skipping 568 matching lines @@
     push(ast.typeName(name, arguments)..type = cls?.rawType);
   }
 
   void handleAsOperator(Token operator, Token endToken) {
     debugEvent("AsOperator");
     TypeAnnotation type = pop();
     Expression expression = pop();
     push(ast.asExpression(expression, toAnalyzerToken(operator), type));
   }
 
+  @override
+  void handleBreakStatement(
+      bool hasTarget, Token breakKeyword, Token semicolon) {
+    debugEvent("BreakStatement");
+    SimpleIdentifier label = hasTarget ? pop() : null;
+    push(ast.breakStatement(
+        toAnalyzerToken(breakKeyword), label, toAnalyzerToken(semicolon)));
+  }
+
+  @override
+  void handleContinueStatement(
+      bool hasTarget, Token continueKeyword, Token semicolon) {
+    debugEvent("ContinueStatement");
+    SimpleIdentifier label = hasTarget ? pop() : null;
+    push(ast.continueStatement(
+        toAnalyzerToken(continueKeyword), label, toAnalyzerToken(semicolon)));
+  }
+
   void handleIsOperator(Token operator, Token not, Token endToken) {
     debugEvent("IsOperator");
     TypeAnnotation type = pop();
     Expression expression = pop();
     push(ast.isExpression(
         expression, toAnalyzerToken(operator), toAnalyzerToken(not), type));
   }
 
   void handleConditionalExpression(Token question, Token colon) {
     debugEvent("ConditionalExpression");
@@ skipping 1047 matching lines @@
       } else if (identical('static', s)) {
         staticKeyword = token;
       } else if (identical('var', s)) {
         finalConstOrVarKeyword = token;
       } else {
         internalError('Unhandled modifier: $s');
       }
     }
   }
 }