CSS Custom Properties (Variables)

third_party/WebKit/Source/build/scripts/make_css_value_keywords.py

 #!/usr/bin/env python
 
 import os.path
 import re
 import subprocess
 import sys
 
 from in_file import InFile
 from name_utilities import upper_first_letter
 import in_generator
@@ skipping 94 matching lines @@
         'mode': None,
     }
 
     def __init__(self, file_paths):
         in_generator.Writer.__init__(self, file_paths)
         self._outputs = {(self.class_name + ".h"): self.generate_header,
                          (self.class_name + ".cpp"): self.generate_implementation,
                         }
 
         self._value_keywords = self.in_file.name_dictionaries
-        first_property_id = 1
+        # We start with 2 to avoid CSSPropertyVariable
+        first_property_id = 2

[Timothy Loh, 2015/09/30 02:09:27]

This shouldn't need to change?

         for offset, property in enumerate(self._value_keywords):
             property['lower_name'] = property['name'].lower()
             property['enum_name'] = self._enum_name_from_value_keyword(property['name'])
             property['enum_value'] = first_property_id + offset
             if property['name'].startswith('-internal-'):
                 assert property['mode'] is None, 'Can\'t specify mode for value keywords with the prefix "-internal-".'
                 property['mode'] = 'UASheet'
             else:
                 assert property['mode'] != 'UASheet', 'UASheet mode only value keywords should have the prefix "-internal-".'
 
@@ skipping 38 matching lines @@
         # FIXME: If we could depend on Python 2.7, we would use subprocess.check_output
         gperf_args = [self.gperf_path, '--key-positions=*', '-P', '-n']
         gperf_args.extend(['-m', '50'])  # Pick best of 50 attempts.
         gperf_args.append('-D')  # Allow duplicate hashes -> More compact code.
         gperf = subprocess.Popen(gperf_args, stdin=subprocess.PIPE, stdout=subprocess.PIPE, universal_newlines=True)
         return gperf.communicate(gperf_input)[0]
 
 
 if __name__ == "__main__":
     in_generator.Maker(CSSValueKeywordsWriter).main(sys.argv)