diff options
Diffstat (limited to 'third_party/libwebrtc/build/toolchain/ios/swiftc.py')
| -rw-r--r-- | third_party/libwebrtc/build/toolchain/ios/swiftc.py | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/third_party/libwebrtc/build/toolchain/ios/swiftc.py b/third_party/libwebrtc/build/toolchain/ios/swiftc.py new file mode 100644 index 0000000000..a08dc8d129 --- /dev/null +++ b/third_party/libwebrtc/build/toolchain/ios/swiftc.py @@ -0,0 +1,174 @@ +# Copyright 2020 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. + +import argparse +import collections +import json +import os +import subprocess +import sys +import tempfile + + +class OrderedSet(collections.OrderedDict): + def add(self, value): + self[value] = True + + +def compile_module(module, sources, settings, extras, tmpdir): + output_file_map = {} + if settings.whole_module_optimization: + output_file_map[''] = { + 'object': os.path.join(settings.object_dir, module + '.o'), + 'dependencies': os.path.join(tmpdir, module + '.d'), + } + else: + for source in sources: + name, _ = os.path.splitext(os.path.basename(source)) + output_file_map[source] = { + 'object': os.path.join(settings.object_dir, name + '.o'), + 'dependencies': os.path.join(tmpdir, name + '.d'), + } + + for key in ('module_path', 'header_path', 'depfile'): + path = getattr(settings, key) + if os.path.exists(path): + os.unlink(path) + if key == 'module_path': + for ext in '.swiftdoc', '.swiftsourceinfo': + path = os.path.splitext(getattr(settings, key))[0] + ext + if os.path.exists(path): + os.unlink(path) + directory = os.path.dirname(path) + if not os.path.exists(directory): + os.makedirs(directory) + + if not os.path.exists(settings.object_dir): + os.makedirs(settings.object_dir) + + for key in output_file_map: + path = output_file_map[key]['object'] + if os.path.exists(path): + os.unlink(path) + + output_file_map_path = os.path.join(tmpdir, module + '.json') + with open(output_file_map_path, 'w') as output_file_map_file: + output_file_map_file.write(json.dumps(output_file_map)) + output_file_map_file.flush() + + extra_args = [] + if settings.bridge_header: + extra_args.extend([ + '-import-objc-header', + os.path.abspath(settings.bridge_header), + ]) + + if settings.whole_module_optimization: + extra_args.append('-whole-module-optimization') + + if settings.target: + extra_args.extend([ + '-target', + settings.target, + ]) + + if settings.sdk: + extra_args.extend([ + '-sdk', + os.path.abspath(settings.sdk), + ]) + + if settings.swift_version: + extra_args.extend([ + '-swift-version', + settings.swift_version, + ]) + + if settings.include_dirs: + for include_dir in settings.include_dirs: + extra_args.append('-I' + include_dir) + + process = subprocess.Popen([ + 'swiftc', + '-parse-as-library', + '-module-name', + module, + '-emit-object', + '-emit-dependencies', + '-emit-module', + '-emit-module-path', + settings.module_path, + '-emit-objc-header', + '-emit-objc-header-path', + settings.header_path, + '-output-file-map', + output_file_map_path, + ] + extra_args + extras + sources, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + universal_newlines=True) + + stdout, stderr = process.communicate() + if process.returncode: + sys.stdout.write(stdout) + sys.stderr.write(stderr) + sys.exit(process.returncode) + + depfile_content = collections.OrderedDict() + for key in output_file_map: + for line in open(output_file_map[key]['dependencies']): + output, inputs = line.split(' : ', 2) + _, ext = os.path.splitext(output) + if ext == '.o': + key = output + else: + key = os.path.splitext(settings.module_path)[0] + ext + if key not in depfile_content: + depfile_content[key] = OrderedSet() + for path in inputs.split(): + depfile_content[key].add(path) + + with open(settings.depfile, 'w') as depfile: + for key in depfile_content: + if not settings.depfile_filter or key in settings.depfile_filter: + inputs = depfile_content[key] + depfile.write('%s : %s\n' % (key, ' '.join(inputs))) + + +def main(args): + parser = argparse.ArgumentParser(add_help=False) + parser.add_argument('-module-name', help='name of the Swift module') + parser.add_argument('-include', + '-I', + action='append', + dest='include_dirs', + help='add directory to header search path') + parser.add_argument('sources', nargs='+', help='Swift source file to compile') + parser.add_argument('-whole-module-optimization', + action='store_true', + help='enable whole module optimization') + parser.add_argument('-object-dir', + help='path to the generated object files directory') + parser.add_argument('-module-path', help='path to the generated module file') + parser.add_argument('-header-path', help='path to the generated header file') + parser.add_argument('-bridge-header', + help='path to the Objective-C bridge header') + parser.add_argument('-depfile', help='path to the generated depfile') + parser.add_argument('-swift-version', + help='version of Swift language to support') + parser.add_argument('-depfile-filter', + action='append', + help='limit depfile to those files') + parser.add_argument('-target', + action='store', + help='generate code for the given target <triple>') + parser.add_argument('-sdk', action='store', help='compile against sdk') + + parsed, extras = parser.parse_known_args(args) + with tempfile.TemporaryDirectory() as tmpdir: + compile_module(parsed.module_name, parsed.sources, parsed, extras, tmpdir) + + +if __name__ == '__main__': + sys.exit(main(sys.argv[1:])) |