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

   1 #!/usr/bin/env python
   2 # Copyright (C) 2013 Google Inc. All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met:
   7 #
   8 #     * Redistributions of source code must retain the above copyright
   9 # notice, this list of conditions and the following disclaimer.
  10 #     * Redistributions in binary form must reproduce the above
  11 # copyright notice, this list of conditions and the following disclaimer
  12 # in the documentation and/or other materials provided with the
  13 # distribution.
  14 #     * Neither the name of Google Inc. nor the names of its
  15 # contributors may be used to endorse or promote products derived from
  16 # this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 import os.path
  31 import sys
  32
  33 import in_generator
  34 import make_runtime_features
  35 import name_utilities
  36 import template_expander
  37
  38
  39 # We want exactly the same parsing as RuntimeFeatureWriter
  40 # but generate different files.
  41 class InternalRuntimeFlagsWriter(make_runtime_features.RuntimeFeatureWriter):
  42     class_name = 'InternalRuntimeFlags'
  43     filters = {
  44         'enable_conditional': name_utilities.enable_conditional_if_endif,
  45     }
  46
  47     def __init__(self, in_file_path):
  48         super(InternalRuntimeFlagsWriter, self).__init__(in_file_path)
  49         self._outputs = {(self.class_name + '.idl'): self.generate_idl,
  50                          (self.class_name + '.h'): self.generate_header,
  51                         }
  52
  53     @template_expander.use_jinja(class_name + '.idl.tmpl')
  54     def generate_idl(self):
  55         return {
  56             'features': self._features,
  57         }
  58
  59     @template_expander.use_jinja(class_name + '.h.tmpl', filters=filters)
  60     def generate_header(self):
  61         return {
  62             'features': self._features,
  63             'feature_sets': self._feature_sets(),
  64         }
  65
  66
  67 if __name__ == '__main__':
  68     in_generator.Maker(InternalRuntimeFlagsWriter).main(sys.argv)