DevTools: generate information about property inheritance.

third_party/WebKit/Source/devtools/scripts/generate_supported_css.py

 #!/usr/bin/env python
 # Copyright (c) 2014 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 try:
     import simplejson as json
 except ImportError:
     import json
 
 import sys
-
+import re
 
 def properties_from_file(file_name):
     properties = []
     propertyNames = set()
     with open(file_name, "r") as f:
         for line in f:
             line = line.strip()
             if not line or line.startswith("//") or "alias_for" in line:
                 continue
-            name = line.partition(" ")[0]
+            partition = re.split("[, ]", line)
+            name = partition[0]
+            attributes = partition[1:]
             entry = {"name": name}
+            if "inherited" in attributes:
+                entry["inherited"] = True
             propertyNames.add(name)
             longhands = line.partition("longhands=")[2].partition(",")[0]
             if longhands:
                 entry["longhands"] = longhands.split(";")
             properties.append(entry)
 
     # Filter out unsupported longhands.
     for property in properties:
         if "longhands" not in property:
             continue
         longhands = property["longhands"]
         longhands = [longhand for longhand in longhands if longhand in propertyNames]
         if not longhands:
             del property["longhands"]
         else:
             property["longhands"] = longhands
     return properties
 
 properties = properties_from_file(sys.argv[1])
 with open(sys.argv[2], "w") as f:
     f.write("WebInspector.CSSMetadata.initializeWithSupportedProperties(%s);" % json.dumps(properties))