Support for Swift language and Clang modules for ninja generator.

pylib/gyp/mac_tool.py

 #!/usr/bin/env python
 # 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.
 
 """Utility functions to perform Xcode-style build steps.
 
 These functions are executed via gyp-mac-tool when using the Makefile generator.
 """
 
+import errno
 import fcntl
 import fnmatch
 import glob
 import json
 import os
 import plistlib
 import re
 import shutil
 import string
 import subprocess
@@ skipping 125 matching lines @@
     fd.close()
 
     # Insert synthesized key/value pairs (e.g. BuildMachineOSBuild).
     plist = plistlib.readPlistFromString(lines)
     if keys:
       plist = dict(plist.items() + json.loads(keys[0]).items())
     lines = plistlib.writePlistToString(plist)
 
     # Go through all the environment variables and replace them as variables in
     # the file.
-    IDENT_RE = re.compile(r'[/\s]')
+    IDENT_RE = re.compile(r'[/\s_-]')
     for key in os.environ:
       if key.startswith('_'):
         continue
       evar = '${%s}' % key
       evalue = os.environ[key]
       lines = string.replace(lines, evar, evalue)
 
       # Xcode supports various suffices on environment variables, which are
       # all undocumented. :rfc1034identifier is used in the standard project
       # template these days, and :identifier was used earlier. They are used to
@@ skipping 167 matching lines @@
             command_line.append(arg_name)
             command_line.append(str(v))
         else:
           command_line.append(arg_name)
           command_line.append(str(value))
     # Note: actool crashes if inputs path are relative, so use os.path.abspath
     # to get absolute path name for inputs.
     command_line.extend(map(os.path.abspath, inputs))
     subprocess.check_call(command_line)
 
+  def _EnsureDirExists(self, dir_path):
+    if not os.path.exists(dir_path):
+      try:
+        os.makedirs(dir_path)
+      except OSError as exc:
+          if exc.errno != errno.EEXIST:
+              raise
+
+  def _MakeStamp(self, stamp):
+    self._EnsureDirExists(os.path.dirname(stamp))
+    subprocess.check_call(['touch', stamp])
+
+  def ExecCopySwiftLibs(self, executable_path, platform, dst_path, codesign_key,
+                        stamp):
+    args = [
+      'xcrun', 'swift-stdlib-tool', '--copy',
+      '--scan-executable', executable_path,
+      '--platform', platform,
+      '--destination', dst_path,
+    ]
+    if codesign_key:
+      args.extend(['--sign', codesign_key])
+
+    # Using only PATH variable from environment,
+    # to prevent swift-stdlib-tool from using variables like
+    # CODE_SIGNING_REQUIRED which may be set by Xcode
+    env = {'PATH' : os.environ.get('PATH', '')}
+    p = subprocess.Popen(args, env=env)
+    retcode = p.wait()
+    if retcode != 0:
+      raise subprocess.CalledProcessError(retcode, args)
+
+    self._MakeStamp(stamp)
+
+  def ExecBuildModuleMapFile(self, module_name, umbrella_header, map_file,
+                             stamp):
+    self._EnsureDirExists(os.path.dirname(map_file))
+    with open(map_file, 'w') as f:
+      f.write(
+          'framework module %s {\n'
+          '  umbrella header \"%s\"\n'
+          '  export *\n'
+          '  module * { export * }\n'
+          '}\n' % (module_name, umbrella_header))
+
+    self._MakeStamp(stamp)
+
+  def ExecAppendSwiftToModuleMapFile(self, module_name, swift_header, map_file,
+                                     stamp):
+    self._EnsureDirExists(os.path.dirname(map_file))
+    with open(map_file, 'a') as f:
+        f.write(
+            'module %s.Swift {\n'
+            '  header \"%s\"\n'
+            '}\n' % (module_name, swift_header))
+
+    self._MakeStamp(stamp)
+
   def ExecMergeInfoPlist(self, output, *inputs):
     """Merge multiple .plist files into a single .plist file."""
     merged_plist = {}
     for path in inputs:
       plist = self._LoadPlistMaybeBinary(path)
       self._MergePlist(merged_plist, plist)
     plistlib.writePlist(merged_plist, output)
 
   def ExecCodeSignBundle(self, key, resource_rules, entitlements, provisioning):
     """Code sign a bundle.
@@ skipping 247 matching lines @@
         data = data.replace('$(%s)' % key, value)
       return data
     if isinstance(data, list):
       return [self._ExpandVariables(v, substitutions) for v in data]
     if isinstance(data, dict):
       return {k: self._ExpandVariables(data[k], substitutions) for k in data}
     return data
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))