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The open source OpenXR runtime
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Python
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566#!/usr/bin/env python3# Copyright 2022-2023, Collabora, Ltd.## SPDX-License-Identifier: BSL-1.0## Original author: Rylie Pavlik <rylie.pavlik@collabora.com"""Script to set up cppwinrt.imp for include-what-you-use."""from pathlib import Pathimport sysimport refrom generate_iwyu_mapping import write_mapping_file
_SCRIPT_DIR = Path(__file__).parent.resolve()_OUTPUT_FILENAME = _SCRIPT_DIR / "cppwinrt.imp"
header_guard = re.compile(r"#ifndef WINRT_([a-zA-Z0-9_]+)_H\s*")
def find_namespace_name(header: Path) -> str: with open(header, "r", encoding="utf-8") as fp: for line in fp: result = header_guard.match(line) if not result: continue define_insides = result.group(1) return define_insides.replace("_", ".")
raise RuntimeError("Could not figure out namespace name for " + str(header))
def make_canonical_include(namespace_name: str) -> str: return "<winrt/%s.h>" % namespace_name
def make_private_include_pattern(namespace_name: str) -> str: def munge_character(c: str): if c == ".": return "[.]" if c.isupper(): return "[%s%s]" % (c, c.lower()) return c
munged_namespace = "".join(munge_character(c) for c in namespace_name) return "@<winrt/impl/%s[.][0-9][.]h>" % munged_namespace
def get_all_cppwinrt_entries(cppwinrt_root: str): root = Path(cppwinrt_root) for header in root.glob("*.h"): namespace_name = find_namespace_name(header) pattern = make_private_include_pattern(namespace_name) canonical = make_canonical_include(namespace_name) yield """{ include: ["%s", "private", "%s", "public"] },""" % ( pattern, canonical, )
def write_file(cppwinrt_root: str): entries = list(get_all_cppwinrt_entries(cppwinrt_root)) write_mapping_file(entries, _OUTPUT_FILENAME, Path(__file__).resolve().name)
if __name__ == "__main__": write_file(sys.argv[1])