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When absolute paths that need to be substituted by PathSanitizingFileCheck contained characters that could be part of regexp syntax, substitution didn't actually take place. For example, substitution like BUILD_DIR='/Users/johnsmith/swift-source/Ninja-RelWithDebInfoAssert+swift-DebugAssert' didn't result in anything because of the '+' in the path. This is an attempt to fix it. This commit also adds the --dry-run flag to PathSanitizingFileCheck which was used to detect and debug this issue, but why not let it stay.
102 lines
3.2 KiB
Python
Executable File
102 lines
3.2 KiB
Python
Executable File
#!/usr/bin/env python
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# utils/PathSanitizingFileCheck -*- python -*-
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#
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# This source file is part of the Swift.org open source project
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#
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# Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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# Licensed under Apache License v2.0 with Runtime Library Exception
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#
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# See https://swift.org/LICENSE.txt for license information
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# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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from __future__ import print_function
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import argparse
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import re
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import subprocess
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import sys
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def main():
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parser = argparse.ArgumentParser(
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formatter_class=argparse.RawDescriptionHelpFormatter,
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description="""
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PathSanitizingFileCheck is a wrapper around LLVM's FileCheck. In addition
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to all FileCheck features, PathSanitizingFileCheck can replace given
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strings in the input with other strings. This feature is used to replace
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paths to the source and build directories with path-independent
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constants.""")
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parser.add_argument(
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"--sanitize",
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help="replace the given string with another string",
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metavar="REPLACEMENT=SOURCE",
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action="append",
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dest="sanitize_strings",
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default=[])
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parser.add_argument(
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"--use-filecheck",
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help="path to LLVM FileCheck executable",
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metavar="PATH",
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action="store",
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dest="file_check_path",
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default="FileCheck")
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parser.add_argument(
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"--enable-windows-compatibility",
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help="Enable Windows path compatibility, which checks against both "
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"forward slashes and backward slashes.",
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action="store_true")
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parser.add_argument(
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"--enable-yaml-compatibility",
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help="Enable YAML path compatibility. Since YAML double escapes "
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"backward slashes, we need to check for them escaped. Only "
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"available if Windows compatibility is enabled.",
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action="store_true")
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parser.add_argument(
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"--dry-run",
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help="Apply the replacements to the input and print the result "
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"to standard output",
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action="store_true")
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args, unknown_args = parser.parse_known_args()
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if args.enable_windows_compatibility:
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if args.enable_yaml_compatibility:
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slashes_re = r'(/|\\\\|\\\\\\\\)'
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else:
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slashes_re = r'(/|\\\\)'
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else:
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slashes_re = r'/'
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stdin = sys.stdin.read()
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for s in args.sanitize_strings:
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replacement, pattern = s.split('=', 1)
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# Since we want to use pattern as a regex in some platforms, we need
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# to escape it first, and then replace the escaped slash
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# literal (r'\\/') for our platform-dependent slash regex.
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stdin = re.sub(re.sub(r'\\/', slashes_re, re.escape(pattern)),
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replacement,
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stdin)
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if args.dry_run:
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print(stdin)
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return 0
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else:
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p = subprocess.Popen(
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[args.file_check_path] + unknown_args, stdin=subprocess.PIPE)
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stdout, stderr = p.communicate(stdin)
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if stdout is not None:
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print(stdout)
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if stderr is not None:
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print(stderr, file=sys.stderr)
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return p.wait()
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if __name__ == '__main__':
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exit(main())
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