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17acd6b472
643aad17faEnable additional flake8 rules (practicalswift)f020aca297Minor Python cleanups to make flake8 pass with the new rules enabled (practicalswift) Pull request description: Enabled rules: ``` * E242: tab after ',' * E266: too many leading '#' for block comment * E401: multiple imports on one line * E402: module level import not at top of file * E701: multiple statements on one line (colon) * E901: SyntaxError: invalid syntax * E902: TokenError: EOF in multi-line string * F821: undefined name 'Foo' * W293: blank line contains whitespace * W606: 'async' and 'await' are reserved keywords starting with Python 3.7 ``` Note to reviewers: * In general we don't allow whitespace cleanups to existing code, but in order to allow for enabling Travis checking for these rules a few smaller whitespace cleanups had to made as part of this PR. * Use [this `?w=1` link](https://github.com/bitcoin/bitcoin/pull/12987/files?w=1) to show a diff without whitespace changes. Before this commit: ``` $ flake8 -qq --statistics --ignore=B,C,E,F,I,N,W --select=E112,E113,E115,E116,E125,E131,E133,E223,E224,E242,E266,E271,E272,E273,E274,E275,E304,E306,E401,E402,E502,E701,E702,E703,E714,E721,E741,E742,E743,F401,E901,E902,F402,F404,F406,F407,F601,F602,F621,F622,F631,F701,F702,F703,F704,F705,F706,F707,F811,F812,F821,F822,F823,F831,F841,W292,W293,W504,W601,W602,W603,W604,W605,W606 . 5 E266 too many leading '#' for block comment 4 E401 multiple imports on one line 6 E402 module level import not at top of file 5 E701 multiple statements on one line (colon) 1 F812 list comprehension redefines 'n' from line 159 4 F821 undefined name 'ConnectionRefusedError' 28 W293 blank line contains whitespace ``` After this commit: ``` $ flake8 -qq --statistics --ignore=B,C,E,F,I,N,W --select=E112,E113,E115,E116,E125,E131,E133,E223,E224,E242,E266,E271,E272,E273,E274,E275,E304,E306,E401,E402,E502,E701,E702,E703,E714,E721,E741,E742,E743,F401,E901,E902,F402,F404,F406,F407,F601,F602,F621,F622,F631,F701,F702,F703,F704,F705,F706,F707,F811,F812,F821,F822,F823,F831,F841,W292,W293,W504,W601,W602,W603,W604,W605,W606 . $ ``` Tree-SHA512: fc7d5e752298a50d4248afc620ee2c173135b4ca008e48e02913ac968e5a24a5fd5396926047ec62f1d580d537434ccae01f249bb2f3338fa59dc630bf97ca7a Signed-off-by: pasta <pasta@dashboost.org>
265 lines
8.3 KiB
Python
265 lines
8.3 KiB
Python
#!/usr/bin/env python3
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#
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try:
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import gdb
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except ImportError as e:
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raise ImportError("This script must be run in GDB: ", str(e))
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import sys
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import os
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import common_helpers
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sys.path.append(os.getcwd())
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def find_type(orig, name):
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typ = orig.strip_typedefs()
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while True:
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# Strip cv qualifiers
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search = '%s::%s' % (typ.unqualified(), name)
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try:
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return gdb.lookup_type(search)
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except RuntimeError:
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pass
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# type is not found, try superclass search
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field = typ.fields()[0]
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if not field.is_base_class:
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raise ValueError("Cannot find type %s::%s" % (str(orig), name))
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typ = field.type
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def get_value_from_aligned_membuf(buf, valtype):
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"""Returns the value held in a __gnu_cxx::__aligned_membuf."""
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return buf['_M_storage'].address.cast(valtype.pointer()).dereference()
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def get_value_from_node(node):
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valtype = node.type.template_argument(0)
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return get_value_from_aligned_membuf(node['_M_storage'], valtype)
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class VectorObj:
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def __init__ (self, gobj):
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self.obj = gobj
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@classmethod
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def is_this_type(cls, obj_type):
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type_name = str(obj_type)
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if type_name.find("std::vector<") == 0:
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return True
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if type_name.find("std::__cxx11::vector<") == 0:
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return True
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return False
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def element_type(self):
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return self.obj.type.template_argument(0)
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def size(self):
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return int(self.obj['_M_impl']['_M_finish'] -
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self.obj['_M_impl']['_M_start'])
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def get_used_size(self):
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if common_helpers.is_special_type(self.element_type()):
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size = self.obj.type.sizeof
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item = self.obj['_M_impl']['_M_start']
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finish = self.obj['_M_impl']['_M_finish']
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while item != finish:
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elem = item.dereference()
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obj = common_helpers.get_special_type_obj(elem)
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size += obj.get_used_size()
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item = item + 1
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return size
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return self.obj.type.sizeof + self.size() * self.element_type().sizeof
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class ListObj:
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def __init__ (self, gobj):
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self.obj = gobj
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@classmethod
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def is_this_type(cls, obj_type):
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type_name = str(obj_type)
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if type_name.find("std::list<") == 0:
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return True
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if type_name.find("std::__cxx11::list<") == 0:
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return True
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return False
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def element_type(self):
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return self.obj.type.template_argument(0)
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def get_used_size(self):
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is_special = common_helpers.is_special_type(self.element_type())
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head = self.obj['_M_impl']['_M_node']
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# nodetype = find_type(self.obj.type, '_Node')
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nodetype = head.type
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nodetype = nodetype.strip_typedefs().pointer()
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current = head['_M_next']
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size = self.obj.type.sizeof
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while current != head.address:
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if is_special:
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elem = current.cast(nodetype).dereference()
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size += common_helpers.get_instance_size(elem)
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else:
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size += self.element_type().sizeof
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current = current['_M_next']
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return size
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class PairObj:
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def __init__ (self, gobj):
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self.obj = gobj
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@classmethod
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def is_this_type(cls, obj_type):
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type_name = str(obj_type)
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if type_name.find("std::pair<") == 0:
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return True
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if type_name.find("std::__cxx11::pair<") == 0:
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return True
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return False
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def key_type(self):
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return self.obj.type.template_argument(0)
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def value_type(self):
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return self.obj.type.template_argument(1)
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def get_used_size(self):
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if not common_helpers.is_special_type(self.key_type()) and not common_helpers.is_special_type(self.value_type()):
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return self.key_type().sizeof + self.value_type().sizeof
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size = 0
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if common_helpers.is_special_type(self.key_type()):
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obj = common_helpers.get_special_type_obj(self.obj['first'])
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size += obj.get_used_size()
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else:
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size += self.key_type().sizeof
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if common_helpers.is_special_type(self.value_type()):
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obj = common_helpers.get_special_type_obj(self.obj['second'])
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size += obj.get_used_size()
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else:
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size += self.value_type().sizeof
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return size
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class MapObj:
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def __init__ (self, gobj):
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self.obj = gobj
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self.obj_type = gobj.type
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rep_type = find_type(self.obj_type, "_Rep_type")
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self.node_type = find_type(rep_type, "_Link_type")
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self.node_type = self.node_type.strip_typedefs()
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@classmethod
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def is_this_type(cls, obj_type):
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type_name = str(obj_type)
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if type_name.find("std::map<") == 0:
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return True
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if type_name.find("std::__cxx11::map<") == 0:
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return True
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return False
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def key_type(self):
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return self.obj_type.template_argument(0).strip_typedefs()
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def value_type(self):
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return self.obj_type.template_argument(1).strip_typedefs()
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def size(self):
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res = int(self.obj['_M_t']['_M_impl']['_M_node_count'])
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return res
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def get_used_size(self):
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if not common_helpers.is_special_type(self.key_type()) and not common_helpers.is_special_type(self.value_type()):
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return self.obj_type.sizeof + self.size() * (self.key_type().sizeof + self.value_type().sizeof)
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if self.size() == 0:
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return self.obj_type.sizeof
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size = self.obj_type.sizeof
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row_node = self.obj['_M_t']['_M_impl']['_M_header']['_M_left']
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for i in range(self.size()):
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node_val = row_node.cast(self.node_type).dereference()
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pair = get_value_from_node(node_val)
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obj = common_helpers.get_special_type_obj(pair)
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size += obj.get_used_size()
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node = row_node
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if node.dereference()['_M_right']:
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node = node.dereference()['_M_right']
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while node.dereference()['_M_left']:
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node = node.dereference()['_M_left']
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else:
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parent = node.dereference()['_M_parent']
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while node == parent.dereference()['_M_right']:
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node = parent
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parent = parent.dereference()['_M_parent']
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if node.dereference()['_M_right'] != parent:
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node = parent
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row_node = node
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return size
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class SetObj:
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def __init__ (self, gobj):
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self.obj = gobj
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self.obj_type = gobj.type
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rep_type = find_type(self.obj_type, "_Rep_type")
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self.node_type = find_type(rep_type, "_Link_type")
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self.node_type = self.node_type.strip_typedefs()
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@classmethod
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def is_this_type(cls, obj_type):
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type_name = str(obj_type)
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if type_name.find("std::set<") == 0:
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return True
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if type_name.find("std::__cxx11::set<") == 0:
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return True
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return False
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def element_type(self):
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return self.obj_type.template_argument(0)
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def size(self):
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res = int(self.obj['_M_t']['_M_impl']['_M_node_count'])
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return res
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def get_used_size(self):
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if not common_helpers.is_special_type(self.element_type()):
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return self.obj_type.sizeof + self.size() * self.element_type().sizeof
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if self.size() == 0:
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return self.obj_type.sizeof
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size = self.obj_type.sizeof
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row_node = self.obj['_M_t']['_M_impl']['_M_header']['_M_left']
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for i in range(self.size()):
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node_val = row_node.cast(self.node_type).dereference()
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val = get_value_from_node(node_val)
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obj = common_helpers.get_special_type_obj(val)
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size += obj.get_used_size()
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node = row_node
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if node.dereference()['_M_right']:
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node = node.dereference()['_M_right']
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while node.dereference()['_M_left']:
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node = node.dereference()['_M_left']
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else:
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parent = node.dereference()['_M_parent']
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while node == parent.dereference()['_M_right']:
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node = parent
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parent = parent.dereference()['_M_parent']
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if node.dereference()['_M_right'] != parent:
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node = parent
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row_node = node
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return size
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