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| 1 #!/usr/bin/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 """Compile an .idl file to Blink V8 bindings (.h and .cpp files). | |
| 31 | |
| 32 Design doc: http://www.chromium.org/developers/design-documents/idl-compiler | |
| 33 """ | |
| 34 | |
| 35 import abc | |
| 36 from optparse import OptionParser | |
| 37 import os | |
| 38 import cPickle as pickle | |
| 39 import sys | |
| 40 | |
| 41 from code_generator_v8 import CodeGeneratorDictionaryImpl, CodeGeneratorV8 | |
| 42 from idl_reader import IdlReader | |
| 43 from utilities import read_idl_files_list_from_file, write_file | |
| 44 | |
| 45 | |
| 46 def parse_options(): | |
| 47 parser = OptionParser() | |
| 48 parser.add_option('--cache-directory', | |
| 49 help='cache directory, defaults to output directory') | |
| 50 parser.add_option('--generate-dictionary-impl', | |
| 51 action="store_true", default=False) | |
| 52 parser.add_option('--output-directory') | |
| 53 parser.add_option('--interfaces-info-file') | |
| 54 parser.add_option('--write-file-only-if-changed', type='int') | |
| 55 # ensure output comes last, so command line easy to parse via regexes | |
| 56 parser.disable_interspersed_args() | |
| 57 | |
| 58 options, args = parser.parse_args() | |
| 59 if options.output_directory is None: | |
| 60 parser.error('Must specify output directory using --output-directory.') | |
| 61 options.write_file_only_if_changed = bool(options.write_file_only_if_changed
) | |
| 62 if len(args) != 1: | |
| 63 parser.error('Must specify exactly 1 input file as argument, but %d give
n.' % len(args)) | |
| 64 idl_filename = os.path.realpath(args[0]) | |
| 65 return options, idl_filename | |
| 66 | |
| 67 | |
| 68 def idl_filename_to_interface_name(idl_filename): | |
| 69 basename = os.path.basename(idl_filename) | |
| 70 interface_name, _ = os.path.splitext(basename) | |
| 71 return interface_name | |
| 72 | |
| 73 | |
| 74 class IdlCompiler(object): | |
| 75 """Abstract Base Class for IDL compilers. | |
| 76 | |
| 77 In concrete classes: | |
| 78 * self.code_generator must be set, implementing generate_code() | |
| 79 (returning a list of output code), and | |
| 80 * compile_file() must be implemented (handling output filenames). | |
| 81 """ | |
| 82 __metaclass__ = abc.ABCMeta | |
| 83 | |
| 84 def __init__(self, output_directory, cache_directory='', | |
| 85 code_generator=None, interfaces_info=None, | |
| 86 interfaces_info_filename='', only_if_changed=False): | |
| 87 """ | |
| 88 Args: | |
| 89 interfaces_info: | |
| 90 interfaces_info dict | |
| 91 (avoids auxiliary file in run-bindings-tests) | |
| 92 interfaces_info_file: filename of pickled interfaces_info | |
| 93 """ | |
| 94 cache_directory = cache_directory or output_directory | |
| 95 self.cache_directory = cache_directory | |
| 96 self.code_generator = code_generator | |
| 97 if interfaces_info_filename: | |
| 98 with open(interfaces_info_filename) as interfaces_info_file: | |
| 99 interfaces_info = pickle.load(interfaces_info_file) | |
| 100 self.interfaces_info = interfaces_info | |
| 101 self.only_if_changed = only_if_changed | |
| 102 self.output_directory = output_directory | |
| 103 self.reader = IdlReader(interfaces_info, cache_directory) | |
| 104 | |
| 105 def compile_and_write(self, idl_filename): | |
| 106 interface_name = idl_filename_to_interface_name(idl_filename) | |
| 107 definitions = self.reader.read_idl_definitions(idl_filename) | |
| 108 output_code_list = self.code_generator.generate_code( | |
| 109 definitions, interface_name) | |
| 110 for output_path, output_code in output_code_list: | |
| 111 write_file(output_code, output_path, self.only_if_changed) | |
| 112 | |
| 113 @abc.abstractmethod | |
| 114 def compile_file(self, idl_filename): | |
| 115 pass | |
| 116 | |
| 117 | |
| 118 class IdlCompilerV8(IdlCompiler): | |
| 119 def __init__(self, *args, **kwargs): | |
| 120 IdlCompiler.__init__(self, *args, **kwargs) | |
| 121 self.code_generator = CodeGeneratorV8(self.interfaces_info, | |
| 122 self.cache_directory, | |
| 123 self.output_directory) | |
| 124 | |
| 125 def compile_file(self, idl_filename): | |
| 126 self.compile_and_write(idl_filename) | |
| 127 | |
| 128 | |
| 129 class IdlCompilerDictionaryImpl(IdlCompiler): | |
| 130 def __init__(self, *args, **kwargs): | |
| 131 IdlCompiler.__init__(self, *args, **kwargs) | |
| 132 self.code_generator = CodeGeneratorDictionaryImpl( | |
| 133 self.interfaces_info, self.cache_directory, self.output_directory) | |
| 134 | |
| 135 def compile_file(self, idl_filename): | |
| 136 self.compile_and_write(idl_filename) | |
| 137 | |
| 138 | |
| 139 def generate_bindings(options, input_filename): | |
| 140 idl_compiler = IdlCompilerV8( | |
| 141 options.output_directory, | |
| 142 cache_directory=options.cache_directory, | |
| 143 interfaces_info_filename=options.interfaces_info_file, | |
| 144 only_if_changed=options.write_file_only_if_changed) | |
| 145 idl_compiler.compile_file(input_filename) | |
| 146 | |
| 147 | |
| 148 def generate_dictionary_impl(options, input_filename): | |
| 149 idl_compiler = IdlCompilerDictionaryImpl( | |
| 150 options.output_directory, | |
| 151 cache_directory=options.cache_directory, | |
| 152 interfaces_info_filename=options.interfaces_info_file, | |
| 153 only_if_changed=options.write_file_only_if_changed) | |
| 154 | |
| 155 idl_filenames = read_idl_files_list_from_file(input_filename) | |
| 156 for idl_filename in idl_filenames: | |
| 157 idl_compiler.compile_file(idl_filename) | |
| 158 | |
| 159 | |
| 160 def main(): | |
| 161 options, input_filename = parse_options() | |
| 162 if options.generate_dictionary_impl: | |
| 163 # |input_filename| should be a file which contains a list of IDL | |
| 164 # dictionary paths. | |
| 165 generate_dictionary_impl(options, input_filename) | |
| 166 else: | |
| 167 # |input_filename| should be a path of an IDL file. | |
| 168 generate_bindings(options, input_filename) | |
| 169 | |
| 170 | |
| 171 if __name__ == '__main__': | |
| 172 sys.exit(main()) | |
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Chromium Code Reviews
Issue 922053002:
Remove unused V8 integration code in Sky (Closed)
Base URL: git@github.com:domokit/mojo.git@master