ninja windows: more support for VS macros

pylib/gyp/msvs_emulation.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.
 
 """
 This module helps emulate Visual Studio 2008 behavior on top of other
 build systems, primarily ninja.
 """
 
 import os
@@ skipping 132 matching lines @@
     self.msvs_cygwin_dirs = spec.get('msvs_cygwin_dirs', ['.'])
 
   def GetVSMacroEnv(self, base_to_build=None):
     """Get a dict of variables mapping internal VS macro names to their gyp
     equivalents."""
     replacements = {
         '$(VSInstallDir)': self.vs_version.Path(),
         '$(VCInstallDir)': os.path.join(self.vs_version.Path(), 'VC'),
         '$(OutDir)\\': base_to_build + '\\' if base_to_build else '',
         '$(IntDir)': '$!INTERMEDIATE_DIR',
+        '$(InputPath)': '${source}',
         '$(InputName)': '${root}',
         '$(ProjectName)': self.spec['target_name'],
+        '$(PlatformName)': 'Win32', # TODO(scottmg): Support for x64 toolchain.

[Nico, 2012/04/30 23:33:27]

I need to do this for mac too. Maybe we should talk about this.

[scottmg, 2012/04/30 23:42:27]

Sure, I think it's a long way off before Chromium will be able to ship x64
Windows, but maybe we'll want to at least have it available soon.

     }
     # Chromium uses DXSDK_DIR in include/lib paths, but it may or may not be
     # set. This happens when the SDK is sync'd via src-internal, rather than
     # by typical end-user installation of the SDK. If it's not set, we don't
     # want to leave the unexpanded variable in the path, so simply strip it.
     replacements['$(DXSDK_DIR)'] = self.dxsdk_dir if self.dxsdk_dir else ''
     return replacements
 
   def ConvertVSMacros(self, s, base_to_build=None):
     """Convert from VS macro names to something equivalent."""
@@ skipping 303 matching lines @@
         vs.Path(), r'Common7\Tools\vsvars32.bat'))
 
 def ExpandMacros(string, expansions):
   """Expand $(Variable) per expansions dict. See MsvsSettings.GetVSMacroEnv
   for the canonical way to retrieve a suitable dict."""
   if '$' in string:
     for old, new in expansions.iteritems():
       assert '$(' not in new, new
       string = string.replace(old, new)
   return string