Introduce await

runtime/vm/ast_printer.cc

 // Copyright (c) 2011, 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.
 
 #include "vm/ast_printer.h"
 
 #include "vm/handles.h"
 #include "vm/object.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 134 matching lines @@
   const String& dst_name = node->dst_name();
   OS::Print("(%s (type \"%s\") (of \"%s\") ",
             node->PrettyName(),
             String::Handle(type.Name()).ToCString(),
             dst_name.ToCString());
   node->VisitChildren(this);
   OS::Print(")");
 }
 
 
+void AstPrinter::VisitAwaitNode(AwaitNode* node) {
+  VisitGenericAstNode(node);
+}
+
+
 void AstPrinter::VisitPrimaryNode(PrimaryNode* node) {
   OS::Print("*****%s***** \"%s\")",
             node->PrettyName(),
             node->primary().ToCString());
 }
 
 
 void AstPrinter::VisitComparisonNode(ComparisonNode* node) {
   OS::Print("(%s %s ", node->PrettyName(), node->TokenName());
   node->VisitChildren(this);
@@ skipping 329 matching lines @@
   ASSERT(node_sequence != NULL);
   AstPrinter ast_printer;
   const char* function_name =
       parsed_function.function().ToFullyQualifiedCString();
   OS::Print("Ast for function '%s' {\n", function_name);
   node_sequence->Visit(&ast_printer);
   OS::Print("}\n");
 }
 
 }  // namespace dart