ceph/src/boost/tools/build/example/customization/verbatim.py

   1 # Copyright 2010 Vladimir Prus
   2 # Distributed under the Boost Software License, Version 1.0.
   3 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   4
   5 # This file is only used with Python port of Boost.Build
   6
   7 #  This file shows some of the primary customization mechanisms in Boost.Build V2
   8 #  and should serve as a basic for your own customization.
   9 #  Each part has a comment describing its purpose, and you can pick the parts
  10 #  which are relevant to your case, remove everything else, and then change names
  11 #  and actions to taste.
  12
  13 #  Declare a new target type. This allows Boost.Build to do something sensible
  14 #  when targets with the .verbatim extension are found in sources.
  15 import b2.build.type as type
  16 type.register("VERBATIM", ["verbatim"])
  17
  18 #  Declare a dependency scanner for the new target type. The
  19 #  'inline-file.py' script does not handle includes, so this is
  20 #  only for illustraction.
  21 import b2.build.scanner as scanner;
  22 #  First, define a new class, derived from 'common-scanner',
  23 #  that class has all the interesting logic, and we only need
  24 #  to override the 'pattern' method which return regular
  25 #  expression to use when scanning.
  26 class VerbatimScanner(scanner.CommonScanner):
  27
  28     def pattern(self):
  29         return "//###include[ ]*\"([^\"]*)\""
  30
  31 scanner.register(VerbatimScanner, ["include"])
  32 type.set_scanner("VERBATIM", VerbatimScanner)
  33
  34 import b2.build.generators as generators
  35
  36 generators.register_standard("verbatim.inline-file",
  37                              ["VERBATIM"], ["CPP"])
  38
  39 from b2.manager import get_manager
  40
  41 get_manager().engine().register_action("verbatim.inline-file",
  42 """
  43 ./inline_file.py $(<) $(>)
  44 """)
  45
  46
  47