| #!/usr/bin/python |
| # Copyright 2014 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 ast |
| import collections |
| import os |
| import sys |
| |
| |
| sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..")) |
| import processor |
| |
| |
| def remove_duplicates_with_order(has_duplicates): |
| return list(collections.OrderedDict.fromkeys(has_duplicates)) |
| |
| |
| def expand_depends(source, dep): |
| if ":" not in dep: |
| return [dep], {} |
| |
| gyp_relative_path, target = dep.split(":") |
| gyp_path = os.path.join(os.path.dirname(source), gyp_relative_path) |
| gyp_content = ast.literal_eval(open(gyp_path).read()) |
| |
| for target_description in gyp_content["targets"]: |
| if target_description["target_name"] == target: |
| break |
| else: |
| raise ValueError("Target '%s' not found in file '%s'" % |
| (target, gyp_path)) |
| |
| depends = [] |
| externs = [] |
| if "variables" in target_description: |
| depends = target_description["variables"].get("depends", []) |
| externs = target_description["variables"].get("externs", []) |
| |
| def attach_gyp_dir(relative_path): |
| return os.path.join(os.path.dirname(gyp_path), relative_path) |
| |
| target_source = attach_gyp_dir(target + ".js") |
| expanded_depends, expanded_externs = resolve_recursive_dependencies( |
| target_source, |
| depends, |
| externs) |
| |
| expanded_depends = map(attach_gyp_dir, expanded_depends) |
| expanded_externs = set(map(attach_gyp_dir, expanded_externs)) |
| |
| expanded_depends.append(target_source) |
| |
| return expanded_depends, expanded_externs |
| |
| |
| def resolve_recursive_dependencies(source, input_depends, depends_externs): |
| output_depends = [] |
| output_externs = set(depends_externs) |
| |
| for depends in input_depends: |
| expanded_depends, expanded_externs = expand_depends(source, depends) |
| output_depends.extend(expanded_depends) |
| output_externs.update(expanded_externs) |
| |
| output_depends = remove_duplicates_with_order(output_depends) |
| |
| return output_depends, output_externs |
| |
| |
| def GetInputs(args): |
| parser = argparse.ArgumentParser() |
| parser.add_argument("sources", nargs=argparse.ONE_OR_MORE) |
| parser.add_argument("-d", "--depends", nargs=argparse.ZERO_OR_MORE, |
| default=[]) |
| parser.add_argument("-e", "--externs", nargs=argparse.ZERO_OR_MORE, |
| default=[]) |
| opts = parser.parse_args(args) |
| |
| # TODO(twellington): resolve dependencies for multiple sources. |
| if len(opts.sources) == 1: |
| depends, externs = resolve_recursive_dependencies( |
| os.path.normpath(os.path.join(os.getcwd(), opts.sources[0])), |
| opts.depends, |
| opts.externs) |
| else: |
| depends = opts.depends |
| externs = set(opts.externs) |
| |
| files = set() |
| for file in set(opts.sources) | set(depends) | externs: |
| files.add(file) |
| files.update(processor.Processor(file).included_files) |
| |
| return files |
| |
| |
| if __name__ == "__main__": |
| print "\n".join(GetInputs(sys.argv[1:])) |