checkkconfigsymbols.py: find similar symbols
Add support to find string-similar symbols. When option --sim SYM is
specified, checkkconfigsymbols.py will print at most 10 symbols defined
in Kconfig that are string similar to SYM in the following format:
Similar symbols: $COMMA_SEPARATED_LIST_OF_SYMBOLS
Note, if no similar symbols are found it is indicated as follows:
Similar symbols: no similar symbols found
Since the implemented functionality is also useful when searching the
entire source or when diffing two commits, a list of similar symbols is
printed unconditionally with the other data. In order to make the
output more readable, the format now looks as follows:
$UNDEFINED_SYMBOL
Referencing files: $COMMA_SEPARATED_LIST_OF_FILES
Similar symbols: $COMMA_SEPARATED_LIST_OF_SYMBOLS
[Optional with '--find']
Commits changing symbol:
- $COMMIT_1_HASH ("$COMMIT_1_MESSAGE")
- $COMMIT_2_HASH ("$COMMIT_2_MESSAGE")
or
- no commit found
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Valentin Rothberg
Greg Kroah-Hartman
parent
e2042a8a80
commit
1b2c841467
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@ -8,6 +8,7 @@
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# Licensed under the terms of the GNU GPL License version 2
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import difflib
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import os
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import re
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import signal
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@ -74,6 +75,9 @@ def parse_options():
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"the pattern needs to be a Python regex. To "
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"ignore defconfigs, specify -i '.*defconfig'.")
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parser.add_option('-s', '--sim', dest='sim', action='store', default="",
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help="Print a list of maximum 10 string-similar symbols.")
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parser.add_option('', '--force', dest='force', action='store_true',
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default=False,
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help="Reset current Git tree even when it's dirty.")
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@ -112,6 +116,18 @@ def main():
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"""Main function of this module."""
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opts = parse_options()
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if opts.sim and not opts.commit and not opts.diff:
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sims = find_sims(opts.sim, opts.ignore)
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if sims:
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print "%s: %s" % (yel("Similar symbols"), ', '.join(sims))
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else:
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print "%s: no similar symbols found" % yel("Similar symbols")
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sys.exit(0)
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# dictionary of (un)defined symbols
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defined = {}
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undefined = {}
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if opts.commit or opts.diff:
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head = get_head()
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@ -130,40 +146,56 @@ def main():
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# get undefined items before the commit
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execute("git reset --hard %s" % commit_a)
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undefined_a = check_symbols(opts.ignore)
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undefined_a, _ = check_symbols(opts.ignore)
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# get undefined items for the commit
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execute("git reset --hard %s" % commit_b)
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undefined_b = check_symbols(opts.ignore)
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undefined_b, defined = check_symbols(opts.ignore)
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# report cases that are present for the commit but not before
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for feature in sorted(undefined_b):
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# feature has not been undefined before
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if not feature in undefined_a:
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files = sorted(undefined_b.get(feature))
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print "%s\t%s" % (yel(feature), ", ".join(files))
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if opts.find:
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commits = find_commits(feature, opts.diff)
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print red(commits)
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undefined[feature] = files
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# check if there are new files that reference the undefined feature
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else:
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files = sorted(undefined_b.get(feature) -
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undefined_a.get(feature))
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if files:
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print "%s\t%s" % (yel(feature), ", ".join(files))
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if opts.find:
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commits = find_commits(feature, opts.diff)
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print red(commits)
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undefined[feature] = files
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# reset to head
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execute("git reset --hard %s" % head)
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# default to check the entire tree
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else:
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undefined = check_symbols(opts.ignore)
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for feature in sorted(undefined):
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files = sorted(undefined.get(feature))
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print "%s\t%s" % (yel(feature), ", ".join(files))
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undefined, defined = check_symbols(opts.ignore)
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# now print the output
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for feature in sorted(undefined):
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print red(feature)
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files = sorted(undefined.get(feature))
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print "%s: %s" % (yel("Referencing files"), ", ".join(files))
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sims = find_sims(feature, opts.ignore, defined)
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sims_out = yel("Similar symbols")
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if sims:
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print "%s: %s" % (sims_out, ', '.join(sims))
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else:
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print "%s: %s" % (sims_out, "no similar symbols found")
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if opts.find:
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print "%s:" % yel("Commits changing symbol")
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commits = find_commits(feature, opts.diff)
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if commits:
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for commit in commits:
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commit = commit.split(" ", 1)
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print "\t- %s (\"%s\")" % (yel(commit[0]), commit[1])
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else:
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print "\t- no commit found"
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print # new line
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def yel(string):
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@ -193,7 +225,7 @@ def find_commits(symbol, diff):
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"""Find commits changing %symbol in the given range of %diff."""
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commits = execute("git log --pretty=oneline --abbrev-commit -G %s %s"
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% (symbol, diff))
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return commits
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return [x for x in commits.split("\n") if x]
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def tree_is_dirty():
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@ -222,6 +254,45 @@ def init_worker():
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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def find_sims(symbol, ignore, defined = []):
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"""Return a list of max. ten Kconfig symbols that are string-similar to
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@symbol."""
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if defined:
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return sorted(difflib.get_close_matches(symbol, set(defined), 10))
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pool = Pool(cpu_count(), init_worker)
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kfiles = []
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for gitfile in get_files():
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if REGEX_FILE_KCONFIG.match(gitfile):
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kfiles.append(gitfile)
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arglist = []
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for part in partition(kfiles, cpu_count()):
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arglist.append((part, ignore))
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for res in pool.map(parse_kconfig_files, arglist):
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defined.extend(res[0])
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return sorted(difflib.get_close_matches(symbol, set(defined), 10))
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def get_files():
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"""Return a list of all files in the current git directory."""
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# use 'git ls-files' to get the worklist
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stdout = execute("git ls-files")
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if len(stdout) > 0 and stdout[-1] == "\n":
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stdout = stdout[:-1]
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files = []
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for gitfile in stdout.rsplit("\n"):
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if ".git" in gitfile or "ChangeLog" in gitfile or \
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".log" in gitfile or os.path.isdir(gitfile) or \
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gitfile.startswith("tools/"):
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continue
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files.append(gitfile)
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return files
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def check_symbols(ignore):
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"""Find undefined Kconfig symbols and return a dict with the symbol as key
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and a list of referencing files as value. Files matching %ignore are not
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@ -243,16 +314,7 @@ def check_symbols_helper(pool, ignore):
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defined_features = []
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referenced_features = dict() # {file: [features]}
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# use 'git ls-files' to get the worklist
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stdout = execute("git ls-files")
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if len(stdout) > 0 and stdout[-1] == "\n":
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stdout = stdout[:-1]
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for gitfile in stdout.rsplit("\n"):
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if ".git" in gitfile or "ChangeLog" in gitfile or \
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".log" in gitfile or os.path.isdir(gitfile) or \
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gitfile.startswith("tools/"):
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continue
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for gitfile in get_files():
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if REGEX_FILE_KCONFIG.match(gitfile):
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kconfig_files.append(gitfile)
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else:
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@ -296,7 +358,7 @@ def check_symbols_helper(pool, ignore):
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if feature[:-len("_MODULE")] in defined_features:
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continue
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undefined[feature] = referenced_features.get(feature)
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return undefined
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return undefined, defined_features
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def parse_source_files(source_files):
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