Fix source locations for inlined and patched functions.

lib/compiler/implementation/scanner/token.dart

 // 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.
 
 const int EOF_TOKEN = 0;
 
 const int KEYWORD_TOKEN = $k;
 const int IDENTIFIER_TOKEN = $a;
 const int DOUBLE_TOKEN = $d;
 const int INT_TOKEN = $i;
@@ skipping 106 matching lines @@
   /**
    * The kind enum of this token as determined by its [info].
    */
   int get kind => info.kind;
 
   /**
    * The precedence level for this token.
    */
   int get precedence => info.precedence;
 
+  bool isIdentifier() {
+    if (kind === IDENTIFIER_TOKEN) return true;
+    if (kind === KEYWORD_TOKEN) return value.isPseudo;
+    return false;
+  }
+
   /**
    * Returns a textual representation of this token to be used for debugging
    * purposes. The resulting string might contain information about the
    * structure of the token, for example 'StringToken(foo)' for the identifier
    * token 'foo'. Use [slowToString] for the text actually parsed by the token.
    */
   String toString() => info.value.toString();
 
   /**
    * The text parsed by this token.
@@ skipping 357 matching lines @@
 
 const PrecedenceInfo HEXADECIMAL_INFO =
   const PrecedenceInfo(const SourceString('hexadecimal'), 0, HEXADECIMAL_TOKEN);
 
 const PrecedenceInfo COMMENT_INFO =
   const PrecedenceInfo(const SourceString('comment'), 0, COMMENT_TOKEN);
 
 // For reporting lexical errors.
 const PrecedenceInfo ERROR_INFO =
   const PrecedenceInfo(const SourceString('?'), 0, UNKNOWN_TOKEN);