1 # Pretty-printers for libstc++.
3 # Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 class StdPointerPrinter:
23 "Print a smart pointer of some kind"
25 def __init__ (self, typename, val):
26 self.typename = typename
30 if self.val['_M_refcount']['_M_pi'] == 0:
31 return '%s (empty) %s' % (self.typename, self.val['_M_ptr'])
32 return '%s (count %d) %s' % (self.typename,
33 self.val['_M_refcount']['_M_pi']['_M_use_count'],
36 class UniquePointerPrinter:
39 def __init__ (self, val):
43 return self.val['_M_t']
49 def __init__(self, nodetype, head):
50 self.nodetype = nodetype
51 self.base = head['_M_next']
52 self.head = head.address
59 if self.base == self.head:
61 elt = self.base.cast(self.nodetype).dereference()
62 self.base = elt['_M_next']
64 self.count = self.count + 1
65 return ('[%d]' % count, elt['_M_data'])
67 def __init__(self, typename, val):
68 self.typename = typename
72 itype = self.val.type.template_argument(0)
73 # If the inferior program is compiled with -D_GLIBCXX_DEBUG
74 # some of the internal implementation details change.
75 if self.typename == "std::list":
76 nodetype = gdb.lookup_type('std::_List_node<%s>' % itype).pointer()
77 elif self.typename == "std::__debug::list":
78 nodetype = gdb.lookup_type('std::__norm::_List_node<%s>' % itype).pointer()
80 raise "Cannot cast list node for list printer."
81 return self._iterator(nodetype, self.val['_M_impl']['_M_node'])
84 if self.val['_M_impl']['_M_node'].address == self.val['_M_impl']['_M_node']['_M_next']:
85 return 'empty %s' % (self.typename)
86 return '%s' % (self.typename)
88 class StdListIteratorPrinter:
89 "Print std::list::iterator"
91 def __init__(self, typename, val):
93 self.typename = typename
96 itype = self.val.type.template_argument(0)
97 # If the inferior program is compiled with -D_GLIBCXX_DEBUG
98 # some of the internal implementation details change.
99 if self.typename == "std::_List_iterator" or self.typename == "std::_List_const_iterator":
100 nodetype = gdb.lookup_type('std::_List_node<%s>' % itype).pointer()
101 elif self.typename == "std::__norm::_List_iterator" or self.typename == "std::__norm::_List_const_iterator":
102 nodetype = gdb.lookup_type('std::__norm::_List_node<%s>' % itype).pointer()
104 raise "Cannot cast list node for list iterator printer."
105 return self.val['_M_node'].cast(nodetype).dereference()['_M_data']
107 class StdSlistPrinter:
108 "Print a __gnu_cxx::slist"
111 def __init__(self, nodetype, head):
112 self.nodetype = nodetype
113 self.base = head['_M_head']['_M_next']
122 elt = self.base.cast(self.nodetype).dereference()
123 self.base = elt['_M_next']
125 self.count = self.count + 1
126 return ('[%d]' % count, elt['_M_data'])
128 def __init__(self, val):
132 itype = self.val.type.template_argument(0)
133 nodetype = gdb.lookup_type('__gnu_cxx::_Slist_node<%s>' % itype).pointer()
134 return self._iterator(nodetype, self.val)
137 if self.val['_M_head']['_M_next'] == 0:
138 return 'empty __gnu_cxx::slist'
139 return '__gnu_cxx::slist'
141 class StdSlistIteratorPrinter:
142 "Print __gnu_cxx::slist::iterator"
144 def __init__(self, val):
148 itype = self.val.type.template_argument(0)
149 nodetype = gdb.lookup_type('__gnu_cxx::_Slist_node<%s>' % itype).pointer()
150 return self.val['_M_node'].cast(nodetype).dereference()['_M_data']
152 class StdVectorPrinter:
153 "Print a std::vector"
156 def __init__ (self, start, finish):
165 if self.item == self.finish:
168 self.count = self.count + 1
169 elt = self.item.dereference()
170 self.item = self.item + 1
171 return ('[%d]' % count, elt)
173 def __init__(self, typename, val):
174 self.typename = typename
178 return self._iterator(self.val['_M_impl']['_M_start'],
179 self.val['_M_impl']['_M_finish'])
182 start = self.val['_M_impl']['_M_start']
183 finish = self.val['_M_impl']['_M_finish']
184 end = self.val['_M_impl']['_M_end_of_storage']
185 return ('%s of length %d, capacity %d'
186 % (self.typename, int (finish - start), int (end - start)))
188 def display_hint(self):
191 class StdVectorIteratorPrinter:
192 "Print std::vector::iterator"
194 def __init__(self, val):
198 return self.val['_M_current'].dereference()
200 class StdTuplePrinter:
204 def __init__ (self, head):
207 # Set the base class as the initial head of the
209 nodes = self.head.type.fields ()
211 raise "Top of tuple tree does not consist of a single node."
213 # Set the actual head to the first pair.
214 self.head = self.head.cast (nodes[0].type)
221 nodes = self.head.type.fields ()
222 # Check for further recursions in the inheritance tree.
225 # Check that this iteration has an expected structure.
227 raise "Cannot parse more than 2 nodes in a tuple tree."
229 # - Left node is the next recursion parent.
230 # - Right node is the actual class contained in the tuple.
232 # Process right node.
233 impl = self.head.cast (nodes[1].type)
235 # Process left node and set it as head.
236 self.head = self.head.cast (nodes[0].type)
237 self.count = self.count + 1
239 # Finally, check the implementation. If it is
240 # wrapped in _M_head_impl return that, otherwise return
242 fields = impl.type.fields ()
243 if len (fields) < 1 or fields[0].name != "_M_head_impl":
244 return ('[%d]' % self.count, impl)
246 return ('[%d]' % self.count, impl['_M_head_impl'])
248 def __init__ (self, typename, val):
249 self.typename = typename
253 return self._iterator (self.val)
255 def to_string (self):
256 return '%s containing' % (self.typename)
258 class StdStackOrQueuePrinter:
259 "Print a std::stack or std::queue"
261 def __init__ (self, typename, val):
262 self.typename = typename
263 self.visualizer = gdb.default_visualizer(val['c'])
266 return self.visualizer.children()
268 def to_string (self):
269 return '%s wrapping: %s' % (self.typename,
270 self.visualizer.to_string())
272 def display_hint (self):
273 if hasattr (self.visualizer, 'display_hint'):
274 return self.visualizer.display_hint ()
277 class RbtreeIterator:
278 def __init__(self, rbtree):
279 self.size = rbtree['_M_t']['_M_impl']['_M_node_count']
280 self.node = rbtree['_M_t']['_M_impl']['_M_header']['_M_left']
287 return int (self.size)
290 if self.count == self.size:
293 self.count = self.count + 1
294 if self.count < self.size:
295 # Compute the next node.
297 if node.dereference()['_M_right']:
298 node = node.dereference()['_M_right']
299 while node.dereference()['_M_left']:
300 node = node.dereference()['_M_left']
302 parent = node.dereference()['_M_parent']
303 while node == parent.dereference()['_M_right']:
305 parent = parent.dereference()['_M_parent']
306 if node.dereference()['_M_right'] != parent:
311 # This is a pretty printer for std::_Rb_tree_iterator (which is
312 # std::map::iterator), and has nothing to do with the RbtreeIterator
314 class StdRbtreeIteratorPrinter:
315 "Print std::map::iterator"
317 def __init__ (self, val):
320 def to_string (self):
321 valuetype = self.val.type.template_argument(0)
322 nodetype = gdb.lookup_type('std::_Rb_tree_node < %s >' % valuetype)
323 nodetype = nodetype.pointer()
324 return self.val.cast(nodetype).dereference()['_M_value_field']
326 class StdDebugIteratorPrinter:
327 "Print a debug enabled version of an iterator"
329 def __init__ (self, val):
332 # Just strip away the encapsulating __gnu_debug::_Safe_iterator
333 # and return the wrapped iterator value.
334 def to_string (self):
335 itype = self.val.type.template_argument(0)
336 return self.val['_M_current'].cast(itype)
339 "Print a std::map or std::multimap"
341 # Turn an RbtreeIterator into a pretty-print iterator.
343 def __init__(self, rbiter, type):
352 if self.count % 2 == 0:
353 n = self.rbiter.next()
354 n = n.cast(self.type).dereference()['_M_value_field']
358 item = self.pair['second']
359 result = ('[%d]' % self.count, item)
360 self.count = self.count + 1
363 def __init__ (self, typename, val):
364 self.typename = typename
367 def to_string (self):
368 return '%s with %d elements' % (self.typename,
369 len (RbtreeIterator (self.val)))
372 keytype = self.val.type.template_argument(0).const()
373 valuetype = self.val.type.template_argument(1)
374 nodetype = gdb.lookup_type('std::_Rb_tree_node< std::pair< %s, %s > >' % (keytype, valuetype))
375 nodetype = nodetype.pointer()
376 return self._iter (RbtreeIterator (self.val), nodetype)
378 def display_hint (self):
382 "Print a std::set or std::multiset"
384 # Turn an RbtreeIterator into a pretty-print iterator.
386 def __init__(self, rbiter, type):
395 item = self.rbiter.next()
396 item = item.cast(self.type).dereference()['_M_value_field']
397 # FIXME: this is weird ... what to do?
398 # Maybe a 'set' display hint?
399 result = ('[%d]' % self.count, item)
400 self.count = self.count + 1
403 def __init__ (self, typename, val):
404 self.typename = typename
407 def to_string (self):
408 return '%s with %d elements' % (self.typename,
409 len (RbtreeIterator (self.val)))
412 keytype = self.val.type.template_argument(0)
413 nodetype = gdb.lookup_type('std::_Rb_tree_node< %s >' % keytype).pointer()
414 return self._iter (RbtreeIterator (self.val), nodetype)
416 class StdBitsetPrinter:
417 "Print a std::bitset"
419 def __init__(self, typename, val):
420 self.typename = typename
423 def to_string (self):
424 # If template_argument handled values, we could print the
425 # size. Or we could use a regexp on the type.
426 return '%s' % (self.typename)
429 words = self.val['_M_w']
432 # The _M_w member can be either an unsigned long, or an
433 # array. This depends on the template specialization used.
434 # If it is a single long, convert to a single element list.
435 if wtype.code == gdb.TYPE_CODE_ARRAY:
436 tsize = wtype.target ().sizeof
441 nwords = wtype.sizeof / tsize
449 # Another spot where we could use 'set'?
450 result.append(('[%d]' % (byte * tsize * 8 + bit), 1))
456 class StdDequePrinter:
460 def __init__(self, node, start, end, last, buffer_size):
465 self.buffer_size = buffer_size
472 if self.p == self.last:
475 result = ('[%d]' % self.count, self.p.dereference())
476 self.count = self.count + 1
478 # Advance the 'cur' pointer.
480 if self.p == self.end:
481 # If we got to the end of this bucket, move to the
483 self.node = self.node + 1
484 self.p = self.node[0]
485 self.end = self.p + self.buffer_size
489 def __init__(self, typename, val):
490 self.typename = typename
492 self.elttype = val.type.template_argument(0)
493 size = self.elttype.sizeof
495 self.buffer_size = int (512 / size)
500 start = self.val['_M_impl']['_M_start']
501 end = self.val['_M_impl']['_M_finish']
503 delta_n = end['_M_node'] - start['_M_node'] - 1
504 delta_s = start['_M_last'] - start['_M_cur']
505 delta_e = end['_M_cur'] - end['_M_first']
507 size = self.buffer_size * delta_n + delta_s + delta_e
509 return '%s with %d elements' % (self.typename, long (size))
512 start = self.val['_M_impl']['_M_start']
513 end = self.val['_M_impl']['_M_finish']
514 return self._iter(start['_M_node'], start['_M_cur'], start['_M_last'],
515 end['_M_cur'], self.buffer_size)
517 def display_hint (self):
520 class StdDequeIteratorPrinter:
521 "Print std::deque::iterator"
523 def __init__(self, val):
527 return self.val['_M_cur'].dereference()
529 class StdStringPrinter:
530 "Print a std::basic_string of some kind"
532 def __init__(self, val):
536 # Make sure &string works, too.
538 if type.code == gdb.TYPE_CODE_REF:
539 type = type.target ()
541 # Calculate the length of the string so that to_string returns
542 # the string according to length, not according to first null
544 ptr = self.val ['_M_dataplus']['_M_p']
545 realtype = type.unqualified ().strip_typedefs ()
546 reptype = gdb.lookup_type (str (realtype) + '::_Rep').pointer ()
547 header = ptr.cast(reptype) - 1
548 len = header.dereference ()['_M_length']
549 return self.val['_M_dataplus']['_M_p'].lazy_string (length = len)
551 def display_hint (self):
554 class Tr1HashtableIterator:
555 def __init__ (self, hash):
557 self.n_buckets = hash['_M_element_count']
558 if self.n_buckets == 0:
561 self.bucket = hash['_M_buckets']
562 self.node = self.bucket[0]
569 # If we advanced off the end of the chain, move to the next
571 while self.node == 0:
572 self.bucket = self.bucket + 1
573 self.node = self.bucket[0]
575 # If we advanced off the end of the bucket array, then
577 if self.count == self.n_buckets:
580 self.count = self.count + 1
585 result = self.node.dereference()['_M_v']
586 self.node = self.node.dereference()['_M_next']
590 class Tr1UnorderedSetPrinter:
591 "Print a tr1::unordered_set"
593 def __init__ (self, typename, val):
594 self.typename = typename
597 def to_string (self):
598 return '%s with %d elements' % (self.typename, self.val['_M_element_count'])
601 def format_count (i):
605 counter = itertools.imap (self.format_count, itertools.count())
606 return itertools.izip (counter, Tr1HashtableIterator (self.val))
608 class Tr1UnorderedMapPrinter:
609 "Print a tr1::unordered_map"
611 def __init__ (self, typename, val):
612 self.typename = typename
615 def to_string (self):
616 return '%s with %d elements' % (self.typename, self.val['_M_element_count'])
625 def format_one (elt):
626 return (elt['first'], elt['second'])
629 def format_count (i):
633 counter = itertools.imap (self.format_count, itertools.count())
634 # Map over the hash table and flatten the result.
635 data = self.flatten (itertools.imap (self.format_one, Tr1HashtableIterator (self.val)))
636 # Zip the two iterators together.
637 return itertools.izip (counter, data)
639 def display_hint (self):
642 def register_libstdcxx_printers (obj):
643 "Register libstdc++ pretty-printers with objfile Obj."
648 obj.pretty_printers.append (lookup_function)
650 def lookup_function (val):
651 "Look-up and return a pretty-printer that can print val."
656 # If it points to a reference, get the reference.
657 if type.code == gdb.TYPE_CODE_REF:
658 type = type.target ()
660 # Get the unqualified type, stripped of typedefs.
661 type = type.unqualified ().strip_typedefs ()
668 # Iterate over local dictionary of types to determine
669 # if a printer is registered for that type. Return an
670 # instantiation of the printer if found.
671 for function in pretty_printers_dict:
672 if function.search (typename):
673 return pretty_printers_dict[function] (val)
675 # Cannot find a pretty printer. Return None.
678 def build_libstdcxx_dictionary ():
679 # libstdc++ objects requiring pretty-printing.
681 # http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01847.html
682 pretty_printers_dict[re.compile('^std::basic_string<.*>$')] = lambda val: StdStringPrinter(val)
683 pretty_printers_dict[re.compile('^std::bitset<.*>$')] = lambda val: StdBitsetPrinter("std::bitset", val)
684 pretty_printers_dict[re.compile('^std::deque<.*>$')] = lambda val: StdDequePrinter("std::deque", val)
685 pretty_printers_dict[re.compile('^std::list<.*>$')] = lambda val: StdListPrinter("std::list", val)
686 pretty_printers_dict[re.compile('^std::map<.*>$')] = lambda val: StdMapPrinter("std::map", val)
687 pretty_printers_dict[re.compile('^std::multimap<.*>$')] = lambda val: StdMapPrinter("std::multimap", val)
688 pretty_printers_dict[re.compile('^std::multiset<.*>$')] = lambda val: StdSetPrinter("std::multiset", val)
689 pretty_printers_dict[re.compile('^std::priority_queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::priority_queue", val)
690 pretty_printers_dict[re.compile('^std::queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::queue", val)
691 pretty_printers_dict[re.compile('^std::tuple<.*>$')] = lambda val: StdTuplePrinter("std::tuple", val)
692 pretty_printers_dict[re.compile('^std::set<.*>$')] = lambda val: StdSetPrinter("std::set", val)
693 pretty_printers_dict[re.compile('^std::stack<.*>$')] = lambda val: StdStackOrQueuePrinter("std::stack", val)
694 pretty_printers_dict[re.compile('^std::unique_ptr<.*>$')] = UniquePointerPrinter
695 pretty_printers_dict[re.compile('^std::vector<.*>$')] = lambda val: StdVectorPrinter("std::vector", val)
698 # Printer registrations for classes compiled with -D_GLIBCXX_DEBUG.
699 pretty_printers_dict[re.compile('^std::__debug::bitset<.*>$')] = lambda val: StdBitsetPrinter("std::__debug::bitset", val)
700 pretty_printers_dict[re.compile('^std::__debug::deque<.*>$')] = lambda val: StdDequePrinter("std::__debug::deque", val)
701 pretty_printers_dict[re.compile('^std::__debug::list<.*>$')] = lambda val: StdListPrinter("std::__debug::list", val)
702 pretty_printers_dict[re.compile('^std::__debug::map<.*>$')] = lambda val: StdMapPrinter("std::__debug::map", val)
703 pretty_printers_dict[re.compile('^std::__debug::multimap<.*>$')] = lambda val: StdMapPrinter("std::__debug::multimap", val)
704 pretty_printers_dict[re.compile('^std::__debug::multiset<.*>$')] = lambda val: StdSetPrinter("std::__debug::multiset", val)
705 pretty_printers_dict[re.compile('^std::__debug::priority_queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::priority_queue", val)
706 pretty_printers_dict[re.compile('^std::__debug::queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::queue", val)
707 pretty_printers_dict[re.compile('^std::__debug::set<.*>$')] = lambda val: StdSetPrinter("std::__debug::set", val)
708 pretty_printers_dict[re.compile('^std::__debug::stack<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::stack", val)
709 pretty_printers_dict[re.compile('^std::__debug::unique_ptr<.*>$')] = UniquePointerPrinter
710 pretty_printers_dict[re.compile('^std::__debug::vector<.*>$')] = lambda val: StdVectorPrinter("std::__debug::vector", val)
712 # These are the TR1 and C++0x printers.
713 # For array - the default GDB pretty-printer seems reasonable.
714 pretty_printers_dict[re.compile('^std::shared_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::shared_ptr', val)
715 pretty_printers_dict[re.compile('^std::weak_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::weak_ptr', val)
716 pretty_printers_dict[re.compile('^std::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::unordered_map', val)
717 pretty_printers_dict[re.compile('^std::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::unordered_set', val)
718 pretty_printers_dict[re.compile('^std::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::unordered_multimap', val)
719 pretty_printers_dict[re.compile('^std::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::unordered_multiset', val)
721 pretty_printers_dict[re.compile('^std::tr1::shared_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::tr1::shared_ptr', val)
722 pretty_printers_dict[re.compile('^std::tr1::weak_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::tr1::weak_ptr', val)
723 pretty_printers_dict[re.compile('^std::tr1::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::tr1::unordered_map', val)
724 pretty_printers_dict[re.compile('^std::tr1::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::tr1::unordered_set', val)
725 pretty_printers_dict[re.compile('^std::tr1::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::tr1::unordered_multimap', val)
726 pretty_printers_dict[re.compile('^std::tr1::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::tr1::unordered_multiset', val)
728 # These are the C++0x printer registrations for -D_GLIBCXX_DEBUG cases.
729 # The tr1 namespace printers do not seem to have any debug
730 # equivalents, so do no register them.
731 pretty_printers_dict[re.compile('^std::__debug::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::__debug::unordered_map', val)
732 pretty_printers_dict[re.compile('^std::__debug::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::__debug::unordered_set', val)
733 pretty_printers_dict[re.compile('^std::__debug::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::__debug::unordered_multimap', val)
734 pretty_printers_dict[re.compile('^std::__debug::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::__debug:unordered_multiset', val)
738 pretty_printers_dict[re.compile('^__gnu_cxx::slist<.*>$')] = StdSlistPrinter
741 # These shouldn't be necessary, if GDB "print *i" worked.
742 # But it often doesn't, so here they are.
743 pretty_printers_dict[re.compile('^std::_List_iterator<.*>$')] = lambda val: StdListIteratorPrinter("std::_List_iterator",val)
744 pretty_printers_dict[re.compile('^std::_List_const_iterator<.*>$')] = lambda val: StdListIteratorPrinter("std::_List_const_iterator",val)
745 pretty_printers_dict[re.compile('^std::_Rb_tree_iterator<.*>$')] = lambda val: StdRbtreeIteratorPrinter(val)
746 pretty_printers_dict[re.compile('^std::_Rb_tree_const_iterator<.*>$')] = lambda val: StdRbtreeIteratorPrinter(val)
747 pretty_printers_dict[re.compile('^std::_Deque_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
748 pretty_printers_dict[re.compile('^std::_Deque_const_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
749 pretty_printers_dict[re.compile('^__gnu_cxx::__normal_iterator<.*>$')] = lambda val: StdVectorIteratorPrinter(val)
750 pretty_printers_dict[re.compile('^__gnu_cxx::_Slist_iterator<.*>$')] = lambda val: StdSlistIteratorPrinter(val)
752 # Debug (compiled with -D_GLIBCXX_DEBUG) printer registrations.
753 # The Rb_tree debug iterator when unwrapped from the encapsulating __gnu_debug::_Safe_iterator
754 # does not have the __norm namespace. Just use the existing printer registration for that.
755 pretty_printers_dict[re.compile('^__gnu_debug::_Safe_iterator<.*>$')] = lambda val: StdDebugIteratorPrinter(val)
756 pretty_printers_dict[re.compile('^std::__norm::_List_iterator<.*>$')] = lambda val: StdListIteratorPrinter ("std::__norm::_List_iterator",val)
757 pretty_printers_dict[re.compile('^std::__norm::_List_const_iterator<.*>$')] = lambda val: StdListIteratorPrinter ("std::__norm::_List_const_iterator",val)
758 pretty_printers_dict[re.compile('^std::__norm::_Deque_const_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
759 pretty_printers_dict[re.compile('^std::__norm::_Deque_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
761 pretty_printers_dict = {}
763 build_libstdcxx_dictionary ()