acb3b8dce1
There are some files in compiler-rt that use UTF-8 characters in some of the comments. This causes lint failures with some versions of Python. This patch just makes the encoding explicit in the call to open.
73 lines
1.5 KiB
Python
Executable File
73 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# litlint
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#
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# Ensure RUN commands in lit tests are free of common errors.
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#
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# If any errors are detected, litlint returns a nonzero exit code.
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#
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import optparse
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import re
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import sys
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# Compile regex once for all files
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runRegex = re.compile(r'(?<!-o)(?<!%run) %t\s')
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def LintLine(s):
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""" Validate a line
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Args:
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s: str, the line to validate
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Returns:
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Returns an error message and a 1-based column number if an error was
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detected, otherwise (None, None).
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"""
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# Check that RUN command can be executed with an emulator
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m = runRegex.search(s)
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if m:
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start, end = m.span()
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return ('missing %run before %t', start + 2)
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# No errors
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return (None, None)
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def LintFile(p):
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""" Check that each RUN command can be executed with an emulator
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Args:
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p: str, valid path to a file
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Returns:
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The number of errors detected.
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"""
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errs = 0
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with open(p, 'r', encoding='utf-8') as f:
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for i, s in enumerate(f.readlines(), start=1):
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msg, col = LintLine(s)
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if msg != None:
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errs += 1
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errorMsg = 'litlint: {}:{}:{}: error: {}.\n{}{}\n'
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arrow = (col-1) * ' ' + '^'
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sys.stderr.write(errorMsg.format(p, i, col, msg, s, arrow))
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return errs
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if __name__ == "__main__":
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# Parse args
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parser = optparse.OptionParser()
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parser.add_option('--filter') # ignored
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(options, filenames) = parser.parse_args()
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# Lint each file
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errs = 0
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for p in filenames:
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errs += LintFile(p)
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# If errors, return nonzero
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if errs > 0:
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sys.exit(1)
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