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-rw-r--r--util/style.py36
1 files changed, 36 insertions, 0 deletions
diff --git a/util/style.py b/util/style.py
index fb3440541..6ad0399ad 100644
--- a/util/style.py
+++ b/util/style.py
@@ -67,6 +67,37 @@ good_control = re.compile(r'\b(if|while|for) [(]')
format_types = set(('C', 'C++'))
+
+def re_ignore(expr):
+ """Helper function to create regular expression ignore file
+ matcher functions"""
+
+ rex = re.compile(expr)
+ def match_re(fname):
+ return rex.match(fname)
+ return match_re
+
+# This list contains a list of functions that are called to determine
+# if a file should be excluded from the style matching rules or
+# not. The functions are called with the file name relative to the
+# repository root (without a leading slash) as their argument. A file
+# is excluded if any function in the list returns true.
+style_ignores = [
+ # Ignore external projects as they are unlikely to follow the gem5
+ # coding convention.
+ re_ignore("^ext/"),
+]
+
+def check_ignores(fname):
+ """Check if a file name matches any of the ignore rules"""
+
+ for rule in style_ignores:
+ if rule(fname):
+ return True
+
+ return False
+
+
def modified_regions(old_data, new_data):
regions = Regions()
beg = None
@@ -408,6 +439,7 @@ def do_check_style(hgui, repo, *pats, **opts):
opt_fix_white = opts.get('fix_white', False)
opt_all = opts.get('all', False)
+ opt_no_ignore = opts.get('no_ignore', False)
ui = MercurialUI(hgui, hgui.verbose, opt_fix_white)
def prompt(name, func, regions=all_regions):
@@ -447,6 +479,9 @@ def do_check_style(hgui, repo, *pats, **opts):
whitespace = Whitespace(ui)
sorted_includes = SortedIncludes(ui)
for fname, mod_regions in files:
+ if not opt_no_ignore and check_ignores(fname):
+ continue
+
fpath = joinpath(repo.root, fname)
if whitespace.apply(fpath, prompt, mod_regions):
@@ -515,6 +550,7 @@ cmdtable = {
('w', 'fix-white', False, _("automatically fix whitespace")),
('a', 'all', False,
_("include clean files and unmodified parts of modified files")),
+ ('', 'no-ignore', False, _("ignore the style ignore list")),
] + commands.walkopts,
_('hg m5style [-a] [FILE]...')),
'^m5format' :