items=errors)]
return []
+def CheckForUseOfWrongClock(input_api,
+ output_api,
+ white_list=CC_SOURCE_FILES,
+ black_list=None):
+ """Make sure new lines of code don't use a clock susceptible to skew."""
+ black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
+ source_file_filter = lambda x: input_api.FilterSourceFile(x,
+ white_list,
+ black_list)
+ # Regular expression that should detect any explicit references to the
+ # base::Time type (or base::Clock/DefaultClock), whether in using decls,
+ # typedefs, or to call static methods.
+ base_time_type_pattern = r'(^|\W)base::(Time|Clock|DefaultClock)(\W|$)'
+
+ # Regular expression that should detect references to the base::Time class
+ # members, such as a call to base::Time::Now.
+ base_time_member_pattern = r'(^|\W)(Time|Clock|DefaultClock)::'
+
+ # Regular expression to detect "using base::Time" declarations. We want to
+ # prevent these from triggerring a warning. For example, it's perfectly
+ # reasonable for code to be written like this:
+ #
+ # using base::Time;
+ # ...
+ # int64 foo_us = foo_s * Time::kMicrosecondsPerSecond;
+ using_base_time_decl_pattern = r'^\s*using\s+(::)?base::Time\s*;'
+
+ # Regular expression to detect references to the kXXX constants in the
+ # base::Time class. We want to prevent these from triggerring a warning.
+ base_time_konstant_pattern = r'(^|\W)Time::k\w+'
+
+ problem_re = input_api.re.compile(
+ r'(' + base_time_type_pattern + r')|(' + base_time_member_pattern + r')')
+ exception_re = input_api.re.compile(
+ r'(' + using_base_time_decl_pattern + r')|(' +
+ base_time_konstant_pattern + r')')
+ problems = []
+ for f in input_api.AffectedSourceFiles(source_file_filter):
+ for line_number, line in f.ChangedContents():
+ if problem_re.search(line):
+ if not exception_re.search(line):
+ problems.append(
+ ' %s:%d\n %s' % (f.LocalPath(), line_number, line.strip()))
+
+ if problems:
+ return [output_api.PresubmitPromptOrNotify(
+ 'You added one or more references to the base::Time class and/or one\n'
+ 'of its member functions (or base::Clock/DefaultClock). In cc code,\n'
+ 'it is most certainly incorrect! Instead use base::TimeTicks.\n\n'
+ '\n'.join(problems))]
+ else:
+ return []
def CheckChangeOnUpload(input_api, output_api):
results = []
results += CheckChangeLintsClean(input_api, output_api)
results += CheckTodos(input_api, output_api)
results += CheckNamespace(input_api, output_api)
+ results += CheckForUseOfWrongClock(input_api, output_api)
results += input_api.canned_checks.CheckPatchFormatted(input_api, output_api)
return results