dom/base/gen-usecounters.py

   1 #!/usr/bin/env python
   2
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distributed with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 from __future__ import print_function
   8
   9 import json
  10 import os
  11 import sys
  12
  13 sys.path.append(os.path.dirname(__file__))
  14
  15 import usecounters
  16
  17 AUTOGENERATED_WARNING_COMMENT = (
  18     "/* THIS FILE IS AUTOGENERATED BY gen-usecounters.py - DO NOT EDIT */"
  19 )
  20
  21
  22 def generate_list(f, counters):
  23     def print_optional_macro_declare(name):
  24         print(
  25             """
  26 #ifndef %(name)s
  27 #define %(name)s(interface_, name_) // nothing
  28 #define DEFINED_%(name)s
  29 #endif
  30 """
  31             % {"name": name},
  32             file=f,
  33         )
  34
  35     def print_optional_macro_undeclare(name):
  36         print(
  37             """
  38 #ifdef DEFINED_%(name)s
  39 #undef DEFINED_%(name)s
  40 #undef %(name)s
  41 #endif
  42 """
  43             % {"name": name},
  44             file=f,
  45         )
  46
  47     print(AUTOGENERATED_WARNING_COMMENT, file=f)
  48
  49     print_optional_macro_declare("USE_COUNTER_DOM_METHOD")
  50     print_optional_macro_declare("USE_COUNTER_DOM_ATTRIBUTE")
  51     print_optional_macro_declare("USE_COUNTER_CUSTOM")
  52
  53     for counter in counters:
  54         if counter["type"] == "method":
  55             print(
  56                 "USE_COUNTER_DOM_METHOD(%s, %s)"
  57                 % (counter["interface_name"], counter["method_name"]),
  58                 file=f,
  59             )
  60         elif counter["type"] == "attribute":
  61             print(
  62                 "USE_COUNTER_DOM_ATTRIBUTE(%s, %s)"
  63                 % (counter["interface_name"], counter["attribute_name"]),
  64                 file=f,
  65             )
  66         elif counter["type"] == "custom":
  67             desc = counter["desc"].replace("\\", r"\\").replace('"', r"\"")
  68             print('USE_COUNTER_CUSTOM(%s, "%s")' % (counter["name"], desc), file=f)
  69
  70     print_optional_macro_undeclare("USE_COUNTER_DOM_METHOD")
  71     print_optional_macro_undeclare("USE_COUNTER_DOM_ATTRIBUTE")
  72     print_optional_macro_undeclare("USE_COUNTER_CUSTOM")
  73
  74
  75 def use_counter_list(output_header, conf_filename):
  76     counters = usecounters.read_conf(conf_filename)
  77     generate_list(output_header, counters)