code review 189080: Steps towards tracking scopes for identifiers.

src/cmd/gofmt/gofmt.go

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 package main
 
 import (
         "bytes"
         oldParser "exp/parser"
         "flag"
@@ skipping 202 matching lines @@
                         if err := processFileByName(path); err != nil {
                                 report(err)
                         }
                 case dir.IsDirectory():
                         walkDir(path)
                 }
         }
 
         os.Exit(exitCode)
 }