Index: bindings/scripts/idl_compiler.py |
diff --git a/bindings/scripts/idl_compiler.py b/bindings/scripts/idl_compiler.py |
new file mode 100755 |
index 0000000000000000000000000000000000000000..6728aff45c10cadb38a7d536c0c5c8e7dd531e08 |
--- /dev/null |
+++ b/bindings/scripts/idl_compiler.py |
@@ -0,0 +1,143 @@ |
+#!/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). |
+ |
+Design doc: http://www.chromium.org/developers/design-documents/idl-compiler |
+""" |
+ |
+import abc |
+from optparse import OptionParser |
+import os |
+import cPickle as pickle |
+import sys |
+ |
+from code_generator_v8 import CodeGeneratorV8 |
+from idl_reader import IdlReader |
+from utilities import write_file |
+ |
+ |
+def parse_options(): |
+ parser = OptionParser() |
+ parser.add_option('--cache-directory', |
+ help='cache directory, defaults to output directory') |
+ parser.add_option('--output-directory') |
+ parser.add_option('--interfaces-info-file') |
+ 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.') |
+ options.write_file_only_if_changed = bool(options.write_file_only_if_changed) |
+ if len(args) != 1: |
+ parser.error('Must specify exactly 1 input file as argument, but %d given.' % len(args)) |
+ idl_filename = os.path.realpath(args[0]) |
+ return options, idl_filename |
+ |
+ |
+def idl_filename_to_interface_name(idl_filename): |
+ basename = os.path.basename(idl_filename) |
+ interface_name, _ = os.path.splitext(basename) |
+ return interface_name |
+ |
+ |
+class IdlCompiler(object): |
+ """Abstract Base Class for IDL compilers. |
+ |
+ In concrete classes: |
+ * self.code_generator must be set, implementing generate_code() |
+ (returning a list of output code), and |
+ * compile_file() must be implemented (handling output filenames). |
+ """ |
+ __metaclass__ = abc.ABCMeta |
+ |
+ def __init__(self, output_directory, cache_directory='', |
+ code_generator=None, interfaces_info=None, |
+ interfaces_info_filename='', only_if_changed=False): |
+ """ |
+ Args: |
+ interfaces_info: |
+ interfaces_info dict |
+ (avoids auxiliary file in run-bindings-tests) |
+ interfaces_info_file: filename of pickled interfaces_info |
+ """ |
+ cache_directory = cache_directory or output_directory |
+ self.cache_directory = cache_directory |
+ self.code_generator = code_generator |
+ if interfaces_info_filename: |
+ with open(interfaces_info_filename) as interfaces_info_file: |
+ interfaces_info = pickle.load(interfaces_info_file) |
+ self.interfaces_info = interfaces_info |
+ self.only_if_changed = only_if_changed |
+ self.output_directory = output_directory |
+ self.reader = IdlReader(interfaces_info, cache_directory) |
+ |
+ def compile_and_write(self, idl_filename, output_filenames): |
+ interface_name = idl_filename_to_interface_name(idl_filename) |
+ definitions = self.reader.read_idl_definitions(idl_filename) |
+ output_code_list = self.code_generator.generate_code( |
+ definitions, interface_name) |
+ for output_code, output_filename in zip(output_code_list, |
+ output_filenames): |
+ write_file(output_code, output_filename, self.only_if_changed) |
+ |
+ @abc.abstractmethod |
+ def compile_file(self, idl_filename): |
+ pass |
+ |
+ |
+class IdlCompilerV8(IdlCompiler): |
+ def __init__(self, *args, **kwargs): |
+ IdlCompiler.__init__(self, *args, **kwargs) |
+ self.code_generator = CodeGeneratorV8(self.interfaces_info, |
+ self.cache_directory) |
+ |
+ def compile_file(self, idl_filename): |
+ interface_name = idl_filename_to_interface_name(idl_filename) |
+ header_filename = os.path.join(self.output_directory, |
+ 'V8%s.h' % interface_name) |
+ cpp_filename = os.path.join(self.output_directory, |
+ 'V8%s.cpp' % interface_name) |
+ self.compile_and_write(idl_filename, (header_filename, cpp_filename)) |
+ |
+ |
+def main(): |
+ options, idl_filename = parse_options() |
+ idl_compiler = IdlCompilerV8( |
+ options.output_directory, |
+ cache_directory=options.cache_directory, |
+ interfaces_info_filename=options.interfaces_info_file, |
+ only_if_changed=options.write_file_only_if_changed) |
+ idl_compiler.compile_file(idl_filename) |
+ |
+ |
+if __name__ == '__main__': |
+ sys.exit(main()) |