| #!/usr/bin/env python3 |
| # Copyright 2020 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| |
| from pathlib import Path |
| import os |
| import sys |
| |
| |
| def main(): |
| for path in Path(os.environ["FUCHSIA_DIR"]).rglob("*.fidl"): |
| if not path.is_file(): |
| continue |
| with open(path) as file: |
| try: |
| check_file(file) |
| except UnicodeDecodeError: |
| print(f"SKIPPING {path}: not unicode") |
| |
| |
| def check_file(file): |
| line_parser = top_level |
| for index, line in enumerate(file): |
| if "//" in line: |
| line = line[:line.index("//")] |
| line = line.strip() |
| result = line_parser(line) |
| if result: |
| line_parser, output = result |
| if output: |
| info = "" if file.name.endswith(".test.fidl") else "*** " |
| info += f"{file.name}:{index + 1}" |
| print(f"{info}: {output}") |
| |
| |
| def top_level(line): |
| if line.startswith("union "): |
| if "{" in line and "};" in line and "?" not in line: |
| return |
| if line.endswith("{"): |
| return in_union, None |
| return top_level, "unexpected formatting" |
| |
| keywords = "struct", "xunion", "enum", "bits", "table", "protocol" |
| if any(line.startswith(k + " ") for k in keywords): |
| if "{" in line and "};" in line: |
| return |
| if not line.endswith("{"): |
| return top_level, "unexpected formatting" |
| return in_other, None |
| |
| |
| def in_union(line): |
| if line.startswith("}"): |
| assert line == "};" |
| return top_level, None |
| if "?" in line: |
| return in_union, "nullable union field" |
| |
| |
| def in_other(line): |
| if line.startswith("}"): |
| assert line == "};" |
| return top_level, None |
| |
| |
| if __name__ == "__main__": |
| main() |
