|
| 1 | +""" |
| 2 | +Normalise an mpconfigport.h file by ordering config options, and removing any |
| 3 | +that are the defaults. The standard order and defaults come from py/mpconfig.h. |
| 4 | +
|
| 5 | +Run from the root of the repository. |
| 6 | +
|
| 7 | +Example usage: |
| 8 | +
|
| 9 | + python3 tools/normalise_mpconfigport.py ports/stm32/mpconfigport.h |
| 10 | +
|
| 11 | +""" |
| 12 | + |
| 13 | +import collections, re, sys |
| 14 | + |
| 15 | + |
| 16 | +regexs = ( |
| 17 | + ("define", re.compile(r"#define (MICROPY_[A-Z0-9_]+) +(.+)")), |
| 18 | + ("comment", re.compile(r"// (Extended modules)")), |
| 19 | + ("comment_strip", re.compile(r"/\* (.+) \*/")), |
| 20 | +) |
| 21 | + |
| 22 | + |
| 23 | +def match_line(line): |
| 24 | + for kind, regex in regexs: |
| 25 | + m = regex.match(line) |
| 26 | + if m: |
| 27 | + return kind, m |
| 28 | + return None, None |
| 29 | + |
| 30 | + |
| 31 | +def parse_config(filename, parse_section_names=False): |
| 32 | + config = collections.OrderedDict() |
| 33 | + section_num = 0 |
| 34 | + section_comment = None |
| 35 | + with open(filename) as f: |
| 36 | + for line in f: |
| 37 | + kind, match = match_line(line) |
| 38 | + if kind == "define": |
| 39 | + if section_comment: |
| 40 | + if parse_section_names: |
| 41 | + config[f"_section{section_num}"] = section_comment |
| 42 | + section_num += 1 |
| 43 | + section_comment = None |
| 44 | + config[match.group(1)] = match.group(2) |
| 45 | + elif kind == "comment": |
| 46 | + section_comment = match.group(1) |
| 47 | + elif kind == "comment_strip": |
| 48 | + section_comment = match.group(1).strip() |
| 49 | + |
| 50 | + return config |
| 51 | + |
| 52 | + |
| 53 | +def main(): |
| 54 | + defaults = parse_config("py/mpconfig.h", True) |
| 55 | + port = parse_config(sys.argv[1]) |
| 56 | + |
| 57 | + # Print out the standard config options in order. |
| 58 | + for k, v in defaults.items(): |
| 59 | + if k.startswith("_section"): |
| 60 | + print() |
| 61 | + print(f"// {v}") |
| 62 | + continue |
| 63 | + if k in port: |
| 64 | + if port[k] != v: |
| 65 | + print("#define {:40}{}".format(k, port[k])) |
| 66 | + del port[k] |
| 67 | + |
| 68 | + # Print out any remaining config options that are not standard ones. |
| 69 | + if port: |
| 70 | + print() |
| 71 | + for k, v in port.items(): |
| 72 | + print("#define {:40}{}".format(k, v)) |
| 73 | + |
| 74 | + |
| 75 | +main() |
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