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.
 """
 
@@ skipping 135 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 ExecCopySwiftLibs(self, swift_libs_dir, app_framework_dir, *inputs):
+    libs = set()
+    inputs = set(inputs)
+    while inputs:
+      input_file = inputs.pop()
+      symbols = subprocess.check_output(['nm', input_file])
+      for m in re.finditer(r'__swift_FORCE_LOAD_\$_(\w+)$', symbols,
+                           re.MULTILINE):
+        lib_name = 'lib' + m.group(1) + '.dylib'
+        if not lib_name in libs:
+          lib_path = os.path.join(swift_libs_dir, lib_name)
+          inputs.add(lib_path)
+        libs.add(lib_name)
+    if not os.path.exists(app_framework_dir):
+      os.makedirs(app_framework_dir)
+
+    if libs:
+      # This lib is not linked from anywhere directly,
+      # but is needed for the app to run with Swift
+      libs.add('libswiftCore.dylib')
+
+    for lib in libs:
+      src = os.path.join(swift_libs_dir, lib)
+      dst = os.path.join(app_framework_dir, lib)
+      shutil.copyfile(src, dst)
+
+  def ExecBuildModuleMapFile(self, module_name, umbrella_header, map_file,
+                             stamp):
+    if not os.path.exists(os.path.dirname(map_file)):
+      os.makedirs(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))
+    subprocess.check_call(['touch', stamp])
+
+  def ExecAppendSwiftToModuleMapFile(self, module_name, swift_header, map_file,
+                                     stamp):
+    if not os.path.exists(os.path.dirname(map_file)):
+      os.makedirs(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))
+    subprocess.check_call(['touch', 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:]))