Enable await in for and for-in loops.

runtime/vm/parser.h

 // Copyright (c) 2012, 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.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "platform/assert.h"
@@ skipping 582 matching lines @@
   // Add specified node to try block list so that it can be patched with
   // inlined finally code if needed.
   void AddNodeForFinallyInlining(AstNode* node);
   // Add the inlined finally block to the specified node.
   void AddFinallyBlockToNode(AstNode* node, InlinedFinallyNode* finally_node);
   AstNode* ParseTryStatement(String* label_name);
   RawAbstractType* ParseConstFinalVarOrType(
       ClassFinalizer::FinalizationKind finalization);
   AstNode* ParseVariableDeclaration(const AbstractType& type,
                                     bool is_final,
-                                    bool is_const);
+                                    bool is_const,
+                                    SequenceNode** await_preamble);
   AstNode* ParseVariableDeclarationList();
   AstNode* ParseFunctionStatement(bool is_literal);
   AstNode* ParseStatement();
   SequenceNode* ParseNestedStatement(bool parsing_loop_body,
                                      SourceLabel* label);
   void ParseStatementSequence();
   bool IsIdentifier();
   bool IsSimpleLiteral(const AbstractType& type, Instance* value);
   bool IsFunctionTypeAliasName();
   bool IsMixinAppAlias();
@@ skipping 10 matching lines @@
   AstNode* ParseBinaryExpr(int min_preced);
   LiteralNode* ParseConstExpr();
   static const bool kRequireConst = true;
   static const bool kAllowConst = false;
   static const bool kConsumeCascades = true;
   static const bool kNoCascades = false;
   AstNode* ParseAwaitableExpr(bool require_compiletime_const,
                               bool consume_cascades,
                               SequenceNode** await_preamble);
   AstNode* ParseExpr(bool require_compiletime_const, bool consume_cascades);
-  AstNode* ParseExprList();
+  AstNode* ParseAwaitableExprList();
   AstNode* ParseConditionalExpr();
   AstNode* ParseUnaryExpr();
   AstNode* ParsePostfixExpr();
   AstNode* ParseSelectors(AstNode* primary, bool is_cascade);
   AstNode* ParseCascades(AstNode* expr);
   AstNode* ParsePrimary();
   AstNode* ParseStringLiteral(bool allow_interpolation);
   String* ParseImportStringLiteral();
   AstNode* ParseCompoundLiteral();
   AstNode* ParseSymbolLiteral();
@@ skipping 166 matching lines @@
   bool unregister_pending_function_;
 
   LocalScope* async_temp_scope_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_