| # Copyright 2019 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """ |
| Runs the bindings code generator for the given tasks. |
| """ |
| |
| import optparse |
| import sys |
| |
| import web_idl |
| import bind_gen |
| |
| |
| def parse_options(): |
| parser = optparse.OptionParser(usage="%prog [options] TASK...") |
| parser.add_option( |
| "--web_idl_database", |
| type="string", |
| help="filepath of the input database") |
| parser.add_option( |
| "--root_src_dir", |
| type="string", |
| help='root directory of chromium project, i.e. "//"') |
| parser.add_option( |
| "--root_gen_dir", |
| type="string", |
| help='root directory of generated code files, i.e. ' |
| '"//out/Default/gen"') |
| parser.add_option( |
| "--output_core_reldir", |
| type="string", |
| help='output directory for "core" component relative to ' |
| 'root_gen_dir') |
| parser.add_option( |
| "--output_modules_reldir", |
| type="string", |
| help='output directory for "modules" component relative ' |
| 'to root_gen_dir') |
| parser.add_option( |
| '--single_process', |
| action="store_true", |
| default=False, |
| help=('run everything in a single process, which makes debugging ' |
| 'easier')) |
| options, args = parser.parse_args() |
| |
| required_option_names = ("web_idl_database", "root_src_dir", |
| "root_gen_dir", "output_core_reldir", |
| "output_modules_reldir") |
| for opt_name in required_option_names: |
| if getattr(options, opt_name) is None: |
| parser.error("--{} is a required option.".format(opt_name)) |
| |
| if not args: |
| parser.error("No argument specified.") |
| |
| return options, args |
| |
| |
| def main(): |
| options, tasks = parse_options() |
| |
| dispatch_table = { |
| 'callback_function': bind_gen.generate_callback_functions, |
| 'callback_interface': bind_gen.generate_callback_interfaces, |
| 'dictionary': bind_gen.generate_dictionaries, |
| 'enumeration': bind_gen.generate_enumerations, |
| 'interface': bind_gen.generate_interfaces, |
| 'namespace': bind_gen.generate_namespaces, |
| 'union': bind_gen.generate_unions, |
| } |
| |
| for task in tasks: |
| if task not in dispatch_table: |
| sys.exit("Unknown task: {}".format(task)) |
| |
| component_reldirs = { |
| web_idl.Component('core'): options.output_core_reldir, |
| web_idl.Component('modules'): options.output_modules_reldir, |
| } |
| bind_gen.init(web_idl_database_path=options.web_idl_database, |
| root_src_dir=options.root_src_dir, |
| root_gen_dir=options.root_gen_dir, |
| component_reldirs=component_reldirs) |
| |
| task_queue = bind_gen.TaskQueue(single_process=options.single_process) |
| |
| for task in tasks: |
| dispatch_table[task](task_queue) |
| |
| def print_to_console(message): |
| out = sys.stdout |
| if not out.isatty(): |
| return |
| out.write(message) |
| out.flush() |
| |
| def report_progress(total, done): |
| percentage = (int(float(done) / float(total) * |
| 100) if total != 0 else 100) |
| message = "Blink-V8 bindings generation: {}% done\r".format(percentage) |
| print_to_console(message) |
| |
| task_queue.run(report_progress) |
| print_to_console("\n") |
| |
| |
| if __name__ == '__main__': |
| main() |
