def summary(self):
group = get_header_ptr(self.value['headerAndGroup_'],
self.otc.ObjectGroup_ptr_t)
classp = get_header_ptr(group['headerAndClasp_'],
self.otc.JSClass_ptr_t)
non_native = classp['flags'] & self.otc.class_NON_NATIVE
# Use GDB to format the class name, but then strip off the address
# and the quotes.
class_name = str(classp['name'])
m = gdb_string_regexp.match(class_name)
if m:
class_name = m.group(1)
if non_native:
return '[object {}]'.format(class_name)
else:
native = self.value.cast(self.otc.NativeObject_ptr_t)
shape = deref(native['shape_'])
baseshape = get_header_ptr(shape['headerAndBase_'],
self.otc.BaseShape_ptr_t)
flags = baseshape['flags']
is_delegate = bool(flags & self.otc.flag_DELEGATE)
name = None
if class_name == 'Function':
function = self.value
concrete_type = function.type.strip_typedefs()
if concrete_type.code == gdb.TYPE_CODE_REF:
function = function.address
function = function.cast(self.otc.func_ptr_type)
atom = deref(function['atom_'])
name = str(atom) if atom else '<unnamed>'
return '[object {}{}]{}'.format(class_name,
' ' + name if name else '',
' delegate' if is_delegate else '')
def summary(self):
shape = get_header_ptr(self.value, self.otc.Shape_ptr_t)
baseshape = get_header_ptr(shape, self.otc.BaseShape_ptr_t)
classp = get_header_ptr(baseshape, self.otc.JSClass_ptr_t)
non_native = classp["flags"] & self.otc.class_NON_NATIVE
# Use GDB to format the class name, but then strip off the address
# and the quotes.
class_name = str(classp["name"])
m = gdb_string_regexp.match(class_name)
if m:
class_name = m.group(1)
if non_native:
return "[object {}]".format(class_name)
else:
flags = shape["objectFlags_"]["flags_"]
used_as_prototype = bool(flags
& self.otc.objectflag_IsUsedAsPrototype)
name = None
if class_name == "Function":
function = self.value
concrete_type = function.type.strip_typedefs()
if concrete_type.code == gdb.TYPE_CODE_REF:
function = function.address
function = function.cast(self.otc.func_ptr_type)
atom = deref(function["atom_"])
name = str(atom) if atom else "<unnamed>"
return "[object {}{}]{}".format(
class_name,
" " + name if name else "",
" used_as_prototype" if used_as_prototype else "",
)
def summary(self):
group = get_header_ptr(self.value, self.otc.ObjectGroup_ptr_t)
classp = get_header_ptr(group, self.otc.JSClass_ptr_t)
non_native = classp["flags"] & self.otc.class_NON_NATIVE
# Use GDB to format the class name, but then strip off the address
# and the quotes.
class_name = str(classp["name"])
m = gdb_string_regexp.match(class_name)
if m:
class_name = m.group(1)
if non_native:
return "[object {}]".format(class_name)
else:
native = self.value.cast(self.otc.NativeObject_ptr_t)
shape = deref(native["shape_"])
baseshape = get_header_ptr(shape, self.otc.BaseShape_ptr_t)
flags = baseshape["flags"]
is_delegate = bool(flags & self.otc.flag_DELEGATE)
name = None
if class_name == "Function":
function = self.value
concrete_type = function.type.strip_typedefs()
if concrete_type.code == gdb.TYPE_CODE_REF:
function = function.address
function = function.cast(self.otc.func_ptr_type)
atom = deref(function["atom_"])
name = str(atom) if atom else "<unnamed>"
return "[object {}{}]{}".format(
class_name,
" " + name if name else "",
" delegate" if is_delegate else "",
)
def to_string(self):
code = int(self.value['code_']) & 0xffffffff
desc = str(get_header_ptr(self.value, self.cache.JSString_ptr_t))
if code == InSymbolRegistry:
return "Symbol.for({})".format(desc)
elif code == UniqueSymbol:
return "Symbol({})".format(desc)
elif code == PrivateNameSymbol:
return "#{}".format(desc)
else:
# Well-known symbol. Strip off the quotes added by the JSString *
# pretty-printer.
assert desc[0] == '"'
assert desc[-1] == '"'
return desc[1:-1]