68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
# Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# Digs error codes out of files named 'diagnostics.rs' across
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# the tree, and ensures thare are no duplicates.
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import sys
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import os
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import re
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if len(sys.argv) < 2:
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print("usage: errorck.py <src-dir>")
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sys.exit(1)
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src_dir = sys.argv[1]
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errcode_map = {}
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error_re = re.compile("(E\d\d\d\d)")
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for (dirpath, dirnames, filenames) in os.walk(src_dir):
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if "src/test" in dirpath or "src/llvm" in dirpath:
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# Short circuit for fast
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continue
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for filename in filenames:
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if filename != "diagnostics.rs":
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continue
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path = os.path.join(dirpath, filename)
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with open(path, 'r') as f:
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for line_num, line in enumerate(f, start=1):
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match = error_re.search(line)
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if match:
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errcode = match.group(1)
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new_record = [(errcode, path, line_num, line)]
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existing = errcode_map.get(errcode)
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if existing is not None:
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# This is a dupe
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errcode_map[errcode] = existing + new_record
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else:
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errcode_map[errcode] = new_record
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errors = False
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all_errors = []
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for errcode, entries in errcode_map.items():
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all_errors.append(entries[0][0])
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if len(entries) > 1:
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print("error: duplicate error code " + errcode)
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for entry in entries:
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print("{1}: {2}\n{3}".format(*entry))
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errors = True
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print
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print("* {0} error codes".format(len(errcode_map)))
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print("* highest error code: " + max(all_errors))
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print
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if errors:
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sys.exit(1)
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