Properly parse symbol literals in top-level expression

runtime/vm/parser.cc

 // 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.
 
 #include "vm/parser.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
@@ skipping 10288 matching lines @@
   }
   if ((CurrentToken() == Token::kLBRACK) ||
       (CurrentToken() == Token::kINDEX)) {
     SkipListLiteral();
   } else if (CurrentToken() == Token::kLBRACE) {
     SkipMapLiteral();
   }
 }
 
 
+void Parser::SkipSymbolLiteral() {
+  ConsumeToken();  // Hash sign.
+  if (IsIdentifier()) {
+    ConsumeToken();
+    while (CurrentToken() == Token::kPERIOD) {
+      ConsumeToken();
+      ExpectIdentifier("identifier expected");
+    }
+  } else if (Token::CanBeOverloaded(CurrentToken())) {
+    ConsumeToken();
+  } else {
+    UnexpectedToken();
+  }
+}
+
+
 void Parser::SkipNewOperator() {
   ConsumeToken();  // Skip new or const keyword.
   if (IsIdentifier()) {
     SkipType(false);
     if (CurrentToken() == Token::kLPAREN) {
       SkipActualParameters();
       return;
     }
   }
 }
@@ skipping 57 matching lines @@
       } else {
         SkipNewOperator();
       }
       break;
     case Token::kLT:
     case Token::kLBRACE:
     case Token::kLBRACK:
     case Token::kINDEX:
       SkipCompoundLiteral();
       break;
+    case Token::kHASH:
+      SkipSymbolLiteral();
+      break;
     default:
       if (IsIdentifier()) {
         ConsumeToken();  // Handle pseudo-keyword identifiers.
       } else {
         UnexpectedToken();
         UNREACHABLE();
       }
       break;
   }
 }
@@ skipping 102 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart