| #!/usr/bin/python |
| # Copyright (C) 2013 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 |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # 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. |
| |
| """Compile an .idl file to Blink V8 bindings (.h and .cpp files). |
| |
| FIXME: Not currently used in build. |
| This is a rewrite of the Perl IDL compiler in Python, but is not complete. |
| Once it is complete, we will switch all IDL files over to Python at once. |
| Until then, please work on the Perl IDL compiler. |
| For details, see bug http://crbug.com/239771 |
| """ |
| |
| import optparse |
| import os |
| import pickle |
| import posixpath |
| import shlex |
| import sys |
| |
| import code_generator_v8 |
| import idl_reader |
| |
| module_path, _ = os.path.split(__file__) |
| source_path = os.path.normpath(os.path.join(module_path, os.pardir, os.pardir, os.pardir)) |
| |
| |
| def parse_options(): |
| parser = optparse.OptionParser() |
| parser.add_option('--additional-idl-files') |
| # FIXME: The --dump-json-and-pickle option is only for debugging and will |
| # be removed once we complete migrating all IDL files from the Perl flow to |
| # the Python flow. |
| parser.add_option('--dump-json-and-pickle', action='store_true', default=False) |
| parser.add_option('--idl-attributes-file') |
| parser.add_option('--include', dest='idl_directories', action='append') |
| parser.add_option('--output-directory') |
| parser.add_option('--interface-dependencies-file') |
| parser.add_option('--verbose', action='store_true', default=False) |
| parser.add_option('--write-file-only-if-changed', type='int') |
| # ensure output comes last, so command line easy to parse via regexes |
| parser.disable_interspersed_args() |
| |
| options, args = parser.parse_args() |
| if options.output_directory is None: |
| parser.error('Must specify output directory using --output-directory.') |
| if options.additional_idl_files is None: |
| options.additional_idl_files = [] |
| else: |
| # additional_idl_files is passed as a string with varied (shell-style) |
| # quoting, hence needs parsing. |
| options.additional_idl_files = shlex.split(options.additional_idl_files) |
| if len(args) != 1: |
| parser.error('Must specify exactly 1 input file as argument, but %d given.' % len(args)) |
| options.idl_filename = os.path.realpath(args[0]) |
| return options |
| |
| |
| def get_relative_dir_posix(filename): |
| """Returns directory of a local file relative to Source, in POSIX format.""" |
| relative_path_local = os.path.relpath(filename, source_path) |
| relative_dir_local = os.path.dirname(relative_path_local) |
| return relative_dir_local.replace(os.path.sep, posixpath.sep) |
| |
| |
| def write_json_and_pickle(definitions, interface_name, output_directory): |
| json_string = definitions.to_json() |
| json_basename = interface_name + '.json' |
| json_filename = os.path.join(output_directory, json_basename) |
| with open(json_filename, 'w') as json_file: |
| json_file.write(json_string) |
| pickle_basename = interface_name + '.pkl' |
| pickle_filename = os.path.join(output_directory, pickle_basename) |
| with open(pickle_filename, 'wb') as pickle_file: |
| pickle.dump(definitions, pickle_file) |
| |
| |
| def main(): |
| options = parse_options() |
| idl_filename = options.idl_filename |
| basename = os.path.basename(idl_filename) |
| interface_name, _ = os.path.splitext(basename) |
| output_directory = options.output_directory |
| verbose = options.verbose |
| if verbose: |
| print idl_filename |
| relative_dir_posix = get_relative_dir_posix(idl_filename) |
| |
| reader = idl_reader.IdlReader(options.interface_dependencies_file, options.additional_idl_files, options.idl_attributes_file, output_directory, verbose) |
| definitions = reader.read_idl_definitions(idl_filename) |
| code_generator = code_generator_v8.CodeGeneratorV8(definitions, interface_name, options.output_directory, relative_dir_posix, options.idl_directories, verbose) |
| if not definitions: |
| # We generate dummy .h and .cpp files just to tell build scripts |
| # that outputs have been created. |
| code_generator.write_dummy_header_and_cpp() |
| return |
| if options.dump_json_and_pickle: |
| write_json_and_pickle(definitions, interface_name, output_directory) |
| return |
| code_generator.write_header_and_cpp() |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |