ninja windows: add flag support for code analysis (aka PREfast)

test/lib/TestGyp.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 TestGyp.py:  a testing framework for GYP integration tests.
 """
 
 import os
 import re
@@ skipping 602 matching lines @@
 
 
 def FindVisualStudioInstallation():
   """Returns appropriate values for .build_tool and .uses_msbuild fields
   of TestGypBase for Visual Studio.
 
   We use the value specified by GYP_MSVS_VERSION.  If not specified, we
   search %PATH% and %PATHEXT% for a devenv.{exe,bat,...} executable.
   Failing that, we search for likely deployment paths.
   """
-  possible_roots = ['C:\\Program Files (x86)', 'C:\\Program Files',
-                    'E:\\Program Files (x86)', 'E:\\Program Files']
+  possible_roots = ['%s:\\Program Files%s' % (chr(drive), suffix)
+                    for drive in range(ord('C'), ord('Z') + 1)
+                    for suffix in ['', ' (x86)']]
   possible_paths = {
+      '2012': r'Microsoft Visual Studio 11.0\Common7\IDE\devenv.com',
       '2010': r'Microsoft Visual Studio 10.0\Common7\IDE\devenv.com',
       '2008': r'Microsoft Visual Studio 9.0\Common7\IDE\devenv.com',
       '2005': r'Microsoft Visual Studio 8\Common7\IDE\devenv.com'}
 
   possible_roots = [ConvertToCygpath(r) for r in possible_roots]
 
   msvs_version = 'auto'
   for flag in (f for f in sys.argv if f.startswith('msvs_version=')):
     msvs_version = flag.split('=')[-1]
   msvs_version = os.environ.get('GYP_MSVS_VERSION', msvs_version)
@@ skipping 404 matching lines @@
 
 def TestGyp(*args, **kw):
   """
   Returns an appropriate TestGyp* instance for a specified GYP format.
   """
   format = kw.pop('format', os.environ.get('TESTGYP_FORMAT'))
   for format_class in format_class_list:
     if format == format_class.format:
       return format_class(*args, **kw)
   raise Exception, "unknown format %r" % format