183   options = parser.parse_args(args)
185   if options.feature_names:
186     if options.output_path:
188     if not options.actual_file and not options.stamp:
190   elif not options.output_path:
193   if bool(options.keep_rules_targets_regex) != bool(
194       options.keep_rules_output_path):
198   if options.output_art_profile and not options.input_art_profile:
200   if options.apply_startup_profile and not options.input_art_profile:
203   if options.force_enable_assertions and options.assertion_handler:
207   options.classpath = action_helpers.parse_gn_list(options.classpath)
208   options.proguard_configs = action_helpers.parse_gn_list(
209       options.proguard_configs)
210   options.input_paths = action_helpers.parse_gn_list(options.input_paths)
211   options.extra_mapping_output_paths = action_helpers.parse_gn_list(
212       options.extra_mapping_output_paths)
214   if options.feature_names:
215     if 'base' not in options.feature_names:
217     if len(options.feature_names) != len(options.feature_jars) or len(
218         options.feature_names) != len(options.dex_dests):
221     options.feature_jars = [
222         action_helpers.parse_gn_list(x) for x in options.feature_jars
226   if options.uses_split:
227     for split_pair in options.uses_split:
230         if name not in options.feature_names:
233   options.uses_split = split_map
235   return options
268 def _OptimizeWithR8(options, config_paths, libraries, dynamic_config_data):  argument
285     if options.feature_names:
286       for name, dest_dex, input_jars in zip(options.feature_names,
287                                             options.dex_dests,
288                                             options.feature_jars):
289         parent_name = options.uses_split.get(name)
301                                                      options.output_path, [],
314     if options.dump_inputs:
316     if options.dump_unknown_refs:
320         options.r8_path,
326         options.source_file,
333     if options.disable_checks:
340     if options.min_api:
341       cmd += ['--min-api', options.min_api]
343     if options.assertion_handler:
344       cmd += ['--force-assertions-handler:' + options.assertion_handler]
345     elif options.force_enable_assertions:
354     if options.main_dex_rules_path:
355       for main_dex_rule in options.main_dex_rules_path:
358     if options.output_art_profile:
361           options.input_art_profile,
362           options.output_art_profile,
364     if options.apply_startup_profile:
367           options.input_art_profile,
371     extra_jars = set(options.input_paths)
384     if options.verbose or os.environ.get('R8_VERBOSE') == '1':
389       if options.show_desugar_default_interface_warnings:
398                               fail_on_output=options.warnings_as_errors)
411     shutil.move(tmp_mapping_path, options.mapping_output)
582 def _CreateDynamicConfig(options):  argument
584   if options.enable_obfuscation:
589   if options.apply_mapping:
590     ret.append("-applymapping '%s'" % options.apply_mapping)
618 def _MaybeWriteStampAndDepFile(options, inputs):  argument
619   output = options.output_path
620   if options.stamp:
621     build_utils.Touch(options.stamp)
622     output = options.stamp
623   if options.depfile:
624     action_helpers.write_depfile(options.depfile, output, inputs=inputs)
634 def _DoTraceReferencesChecks(options, split_contexts_by_name):  argument
651   if _CheckForMissingSymbols(options.r8_path, dex_files, options.classpath,
652                              options.warnings_as_errors, options.dump_inputs,
667     if _CheckForMissingSymbols(options.r8_path, dex_files, options.classpath,
668                                options.warnings_as_errors, options.dump_inputs,
674 def _Run(options):  argument
677   dynamic_config_data = _CreateDynamicConfig(options)
681   libraries = [p for p in options.classpath if p not in options.input_paths]
684   for jar_path in options.input_paths + libraries:
688   merged_configs = _CombineConfigs(options.proguard_configs,
693   depfile_inputs = options.proguard_configs + options.input_paths + libraries
694   if options.expected_file:
695     diff_utils.CheckExpectations(merged_configs, options)
696     if options.only_verify_expectations:
697       action_helpers.write_depfile(options.depfile,
698                                    options.actual_file,
702   if options.keep_rules_output_path:
703     _OutputKeepRules(options.r8_path, options.input_paths, options.classpath,
704                      options.keep_rules_targets_regex,
705                      options.keep_rules_output_path)
708   split_contexts_by_name = _OptimizeWithR8(options, options.proguard_configs,
711   if not options.disable_checks:
713     _DoTraceReferencesChecks(options, split_contexts_by_name)
715   for output in options.extra_mapping_output_paths:
716     shutil.copy(options.mapping_output, output)
718   if options.apply_mapping:
719     depfile_inputs.append(options.apply_mapping)
721   _MaybeWriteStampAndDepFile(options, depfile_inputs)
726   options = _ParseOptions()
728   if options.dump_inputs:
730     options.warnings_as_errors = False
742     _Run(options)
744     if options.dump_inputs: