Issue 12694. Fix for parsing 'buildIn() {}' top-level functions.

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/parser/SimpleParserTest.java

 /*
  * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 1532 matching lines @@
 
   public void test_parseCompilationUnit_abstractAsPrefix_parameterized() throws Exception {
     CompilationUnit unit = parse(
         "parseCompilationUnit",
         "abstract<dynamic> _abstract = new abstract.A();");
     assertNull(unit.getScriptTag());
     assertSize(0, unit.getDirectives());
     assertSize(1, unit.getDeclarations());
   }
 
+  public void test_parseCompilationUnit_builtIn_asFunctionName() throws Exception {
+    parse("parseCompilationUnit", "abstract(x) => 0;");
+    parse("parseCompilationUnit", "as(x) => 0;");
+    parse("parseCompilationUnit", "dynamic(x) => 0;");
+    parse("parseCompilationUnit", "export(x) => 0;");
+    parse("parseCompilationUnit", "external(x) => 0;");
+    parse("parseCompilationUnit", "factory(x) => 0;");
+    parse("parseCompilationUnit", "get(x) => 0;");
+    parse("parseCompilationUnit", "implements(x) => 0;");
+    parse("parseCompilationUnit", "import(x) => 0;");
+    parse("parseCompilationUnit", "library(x) => 0;");
+    parse("parseCompilationUnit", "operator(x) => 0;");
+    parse("parseCompilationUnit", "part(x) => 0;");
+    parse("parseCompilationUnit", "set(x) => 0;");
+    parse("parseCompilationUnit", "static(x) => 0;");
+    parse("parseCompilationUnit", "typedef(x) => 0;");
+  }
+
   public void test_parseCompilationUnit_directives_multiple() throws Exception {
     CompilationUnit unit = parse("parseCompilationUnit", "library l;\npart 'a.dart';");
     assertNull(unit.getScriptTag());
     assertSize(2, unit.getDirectives());
     assertSize(0, unit.getDeclarations());
   }
 
   public void test_parseCompilationUnit_directives_single() throws Exception {
     CompilationUnit unit = parse("parseCompilationUnit", "library l;");
     assertNull(unit.getScriptTag());
@@ skipping 3315 matching lines @@
     // Parse the source.
     //
     Parser parser = new Parser(null, listener);
     return (Token) invokeParserMethodImpl(
         parser,
         methodName,
         new Object[] {tokenStream},
         tokenStream);
   }
 }