def find_and_replace(self, org_prog, corrupted_prog, regex, replacement='', name='', include_kind=False):
# for pointer mutate
if regex == '[^)@,#\]] (_<op>_\*)(?! _<number>_)':
positions = [m.span(1) for m in re.finditer(regex, corrupted_prog)]
else:
positions = [m.span() for m in re.finditer(regex, corrupted_prog)]
if len(positions) > 1:
to_corrupt = np.random.randint(len(positions))
elif len(positions) == 1:
to_corrupt = 0
elif include_kind:
return corrupted_prog, None, None, None
else:
return corrupted_prog, None, None
corrupted_prog = corrupted_prog[:positions[to_corrupt][0]] + replacement + corrupted_prog[positions[to_corrupt][1]:]
fix = isolate_line(org_prog, positions[to_corrupt][0])
line = extract_line_number(fix)
if include_kind:
return corrupted_prog, fix, line, name
else:
return corrupted_prog, fix, line
def find_and_replace(org_prog, corrupted_prog, regex, replacement, extra_ids, last_id):
positions = [m.span() for m in re.finditer(regex, corrupted_prog)]
if len(positions) > 1:
to_corrupt = np.random.randint(len(positions))
elif len(positions) == 1:
to_corrupt = 0
else:
return corrupted_prog, None, None, extra_ids, last_id
corrupted_prog = corrupted_prog[:positions[to_corrupt][0]] + replacement + corrupted_prog[positions[to_corrupt][1]:]
fix = isolate_line(org_prog, positions[to_corrupt][0])
line = extract_line_number(org_prog, positions[to_corrupt][0])
return corrupted_prog, fix, line, extra_ids, last_id
def find_and_replace(self, corrupted_prog, regex, replacement,
mutation_name):
positions = [m.span() for m in re.finditer(regex, corrupted_prog)]
if len(positions) > 1:
to_corrupt = self.rng.randint(len(positions))
elif len(positions) == 1:
to_corrupt = 0
else:
return corrupted_prog, None, mutation_name
line_number = extract_line_number(
isolate_line(corrupted_prog, positions[to_corrupt][0]))
corrupted_prog = corrupted_prog[:positions[to_corrupt][0]] + \
replacement + corrupted_prog[positions[to_corrupt][1]:]
return corrupted_prog, line_number, mutation_name
def find_and_replace(self, org_prog, corrupted_prog, regex, replacement, mutation_name):
# special handling for pointer mutate
if regex == '[^)@,#\]] (_<op>_\*)(?! _<number>_)':
positions = [m.span(1) for m in re.finditer(regex, corrupted_prog)]
else:
positions = [m.span() for m in re.finditer(regex, corrupted_prog)]
if len(positions) > 1:
to_corrupt = self.rng.randint(len(positions))
elif len(positions) == 1:
to_corrupt = 0
else:
return corrupted_prog, None, mutation_name
line_number = extract_line_number(isolate_line(corrupted_prog, positions[to_corrupt][0]))
corrupted_prog = corrupted_prog[:positions[to_corrupt][0]] + replacement + corrupted_prog[positions[to_corrupt][1]:]
return corrupted_prog, line_number, mutation_name