def group_functions(lines):
"""Yield lists of lines, where each list constitutes a single
function declaration.
"""
current_function = []
for line in hashcomments.filter_out_comments(lines):
if INITIAL_DECLARATION_REGEXP.match(line):
continue
if not line[0].isspace() and current_function:
yield current_function
current_function = []
current_function.append(line)
if current_function:
yield current_function
