def test_parse_stack_frame(self):
"""Check that stackframes are correctly parsed."""
spec = stack_parser.StackFrameSpec(
address=1,
filename=[4, 8],
fileline=[5, 9],
)
stack_frame_regex = re.compile(
r'([xXa-fA-F0-9]*) '
# optional parts: filename:line:char or filename:line
r'(((\w+):(\d+):(\d+))|((\w+):(\d+)))')
stack_frame_lines = [
'0xa1c0 a_file:1234:56',
'0xa1c0 a_file:1234',
]
stack_frames = []
for stack_frame_line in stack_frame_lines:
m = stack_frame_regex.match(stack_frame_line)
stack_frames.append(spec.parse_stack_frame(m))
for stack_frame in stack_frames:
self.assertEqual(stack_frame.address, 41408)
self.assertEqual(stack_frame.filename, 'a_file')
self.assertEqual(stack_frame.fileline, '1234')
]
# Additional regexes for cleaning up format.
STRIP_STRUCTURE_REGEXES = [
re.compile(r'^in (.*)'), # sanitizers have prefix for function if present
re.compile(r'^\((.*)\)$'), # sanitizers wrap module if no function
]
# Other constants.
LINE_LENGTH_CAP = 80
MAX_CRASH_STATE_FRAMES = 3
MAX_CYCLE_LENGTH = 10
REPEATED_CYCLE_COUNT = 3
# Stackframe format specifications.
CHROME_STACK_FRAME_SPEC = stack_parser.StackFrameSpec(address=3,
function_name=4)
CHROME_WIN_STACK_FRAME_SPEC = stack_parser.StackFrameSpec(function_name=1,
function_base=2,
function_offset=3,
filename=5,
fileline=6,
base=10)
CHROME_MAC_STACK_FRAME_SPEC = stack_parser.StackFrameSpec(address=5,
function_name=6,
function_offset=7,
module_name=2,
base=10)
SAN_STACK_FRAME_SPEC = stack_parser.StackFrameSpec(address=2,
function_name=[7, 5, 23],
function_offset=8,
filename=[12, 16],