mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2025-06-05 21:39:12 +02:00
243 lines
7.7 KiB
Python
243 lines
7.7 KiB
Python
# Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
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# reserved. Use of this source code is governed by a BSD-style license that
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# can be found in the LICENSE file.
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from __future__ import absolute_import
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import sys
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from cef_parser import *
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from clang_util import clang_format
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from file_util import *
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import hashlib
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from make_api_hash_header import *
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from make_capi_header import *
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from make_cpptoc_header import *
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from make_cpptoc_impl import *
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from make_ctocpp_header import *
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from make_ctocpp_impl import *
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from make_gypi_file import *
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from make_libcef_dll_dylib_impl import *
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from make_wrapper_types_header import *
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from optparse import OptionParser
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# cannot be loaded as a module
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if __name__ != "__main__":
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sys.stderr.write('This file cannot be loaded as a module!')
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sys.exit()
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# parse command-line options
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disc = """
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This utility generates files for the CEF C++ to C API translation layer.
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"""
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parser = OptionParser(description=disc)
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parser.add_option(
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'--root-dir',
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dest='rootdir',
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metavar='DIR',
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help='CEF root directory [required]')
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parser.add_option(
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'--backup',
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action='store_true',
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dest='backup',
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default=False,
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help='create a backup of modified files')
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parser.add_option(
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'--force',
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action='store_true',
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dest='force',
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default=False,
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help='force rewrite of the file')
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parser.add_option(
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'-c',
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'--classes',
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dest='classes',
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action='append',
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help='only translate the specified classes')
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parser.add_option(
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'-q',
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'--quiet',
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action='store_true',
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dest='quiet',
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default=False,
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help='do not output detailed status information')
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(options, args) = parser.parse_args()
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# the rootdir option is required
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if options.rootdir is None:
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parser.print_help(sys.stdout)
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sys.exit()
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# determine the paths
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root_dir = os.path.abspath(options.rootdir)
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cpp_header_dir = os.path.join(root_dir, 'include')
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cpp_header_test_dir = os.path.join(cpp_header_dir, 'test')
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cpp_header_views_dir = os.path.join(cpp_header_dir, 'views')
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capi_header_dir = os.path.join(cpp_header_dir, 'capi')
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api_hash_header = os.path.join(cpp_header_dir, 'cef_api_hash.h')
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libcef_dll_dir = os.path.join(root_dir, 'libcef_dll')
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cpptoc_global_impl = os.path.join(libcef_dll_dir, 'libcef_dll.cc')
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ctocpp_global_impl = os.path.join(libcef_dll_dir, 'wrapper',
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'libcef_dll_wrapper.cc')
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wrapper_types_header = os.path.join(libcef_dll_dir, 'wrapper_types.h')
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cpptoc_dir = os.path.join(libcef_dll_dir, 'cpptoc')
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ctocpp_dir = os.path.join(libcef_dll_dir, 'ctocpp')
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gypi_file = os.path.join(root_dir, 'cef_paths.gypi')
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libcef_dll_dylib_impl = os.path.join(libcef_dll_dir, 'wrapper',
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'libcef_dll_dylib.cc')
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# make sure the header directory exists
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if not path_exists(cpp_header_dir):
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sys.stderr.write('Directory ' + cpp_header_dir + ' does not exist.')
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sys.exit()
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# create the header object
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if not options.quiet:
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sys.stdout.write('Parsing C++ headers from ' + cpp_header_dir + '...\n')
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header = obj_header()
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# add include files to be processed
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header.set_root_directory(cpp_header_dir)
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excluded_files = ['cef_api_hash.h', 'cef_application_mac.h', 'cef_version.h']
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header.add_directory(cpp_header_dir, excluded_files)
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header.add_directory(cpp_header_test_dir)
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header.add_directory(cpp_header_views_dir)
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# Track the number of files that were written.
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writect = 0
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def update_file(file, newcontents):
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""" Replaces the contents of |file| with |newcontents| if necessary. """
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oldcontents = ''
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oldhash = ''
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if newcontents[-1:] != "\n":
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# Add newline at end of file.
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newcontents += "\n"
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# clang-format is slow so we don't want to apply it if the pre-formatted
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# content hasn't changed. To check for changes we embed a hash of the pre-
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# formatted content in the resulting file.
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hash_start = "$hash="
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hash_end = "$"
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hash_token = "$$HASH$$"
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if not options.force and path_exists(file):
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oldcontents = read_file(file)
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# Extract the existing hash.
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start = oldcontents.find(hash_start)
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if start > 0:
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end = oldcontents.find(hash_end, start + len(hash_start))
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if end > 0:
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oldhash = oldcontents[start + len(hash_start):end]
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# Compute the new hash.
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newhash = hashlib.sha1(newcontents.encode('utf-8')).hexdigest()
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if oldhash == newhash:
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# Pre-formatted contents have not changed.
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return
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newcontents = newcontents.replace(hash_token, newhash, 1)
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# Apply clang-format for C/C++ files.
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if os.path.splitext(file)[1][1:] in ('c', 'cc', 'cpp', 'h'):
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result = clang_format(file, newcontents)
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if result != None:
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newcontents = result
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else:
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raise Exception("Call to clang-format failed")
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if options.backup and oldcontents != '':
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backup_file(file)
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filedir = os.path.split(file)[0]
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if not os.path.isdir(filedir):
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make_dir(filedir)
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write_file(file, newcontents)
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global writect
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writect += 1
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# output the C API header
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if not options.quiet:
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sys.stdout.write('In C API header directory ' + capi_header_dir + '...\n')
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filenames = sorted(header.get_file_names())
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for filename in filenames:
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if not options.quiet:
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sys.stdout.write('Generating ' + filename + ' C API header...\n')
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update_file(*write_capi_header(header, capi_header_dir, filename))
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# output the wrapper types header
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if not options.quiet:
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sys.stdout.write('Generating wrapper types header...\n')
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update_file(*write_wrapper_types_header(header, wrapper_types_header))
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# build the list of classes to parse
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allclasses = header.get_class_names()
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if not options.classes is None:
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for cls in options.classes:
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if not cls in allclasses:
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sys.stderr.write('ERROR: Unknown class: ' + cls)
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sys.exit()
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classes = options.classes
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else:
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classes = allclasses
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classes = sorted(classes)
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# output CppToC global file
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if not options.quiet:
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sys.stdout.write('Generating CppToC global implementation...\n')
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update_file(*write_cpptoc_impl(header, None, cpptoc_global_impl))
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# output CToCpp global file
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if not options.quiet:
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sys.stdout.write('Generating CToCpp global implementation...\n')
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update_file(*write_ctocpp_impl(header, None, ctocpp_global_impl))
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# output CppToC class files
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if not options.quiet:
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sys.stdout.write('In CppToC directory ' + cpptoc_dir + '...\n')
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for cls in classes:
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if not options.quiet:
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sys.stdout.write('Generating ' + cls + 'CppToC class header...\n')
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update_file(*write_cpptoc_header(header, cls, cpptoc_dir))
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if not options.quiet:
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sys.stdout.write('Generating ' + cls + 'CppToC class implementation...\n')
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update_file(*write_cpptoc_impl(header, cls, cpptoc_dir))
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# output CppToC class files
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if not options.quiet:
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sys.stdout.write('In CToCpp directory ' + ctocpp_dir + '...\n')
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for cls in classes:
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if not options.quiet:
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sys.stdout.write('Generating ' + cls + 'CToCpp class header...\n')
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update_file(*write_ctocpp_header(header, cls, ctocpp_dir))
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if not options.quiet:
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sys.stdout.write('Generating ' + cls + 'CToCpp class implementation...\n')
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update_file(*write_ctocpp_impl(header, cls, ctocpp_dir))
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# output the gypi file
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if not options.quiet:
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sys.stdout.write('Generating ' + gypi_file + ' file...\n')
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update_file(*write_gypi_file(header, gypi_file))
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# output the libcef dll dylib file
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if not options.quiet:
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sys.stdout.write('Generating ' + libcef_dll_dylib_impl + ' file...\n')
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update_file(*write_libcef_dll_dylib_impl(header, libcef_dll_dylib_impl))
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# Update the API hash header file if necessary. This must be done last because
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# it reads files that were potentially written by proceeding operations.
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if not options.quiet:
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sys.stdout.write('Generating API hash header...\n')
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if write_api_hash_header(api_hash_header, cpp_header_dir):
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writect += 1
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if not options.quiet:
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sys.stdout.write('Done - Wrote ' + str(writect) + ' files.\n')
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