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printers.py (StdVectorPrinter): Added stuff to handle pretty-printing of std::vector<bool>.

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2010-08-16  Chris Moller  <cmoller@redhat.com>

	http://sourceware.org/bugzilla/show_bug.cgi?id=11874
	* python/libstdcxx/v6/printers.py (StdVectorPrinter): Added stuff
	to handle pretty-printing of std::vector<bool>.

From-SVN: r163282
This commit is contained in:
Chris Moller 2010-08-16 18:48:27 +00:00 committed by Tom Tromey
parent c29e2982e4
commit 7bf7b578b7
2 changed files with 51 additions and 11 deletions
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6
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,9 @@
2010-08-16 Chris Moller <cmoller@redhat.com>
http://sourceware.org/bugzilla/show_bug.cgi?id=11874
* python/libstdcxx/v6/printers.py (StdVectorPrinter): Added stuff
to handle pretty-printing of std::vector<bool>.
2010-08-14 Jonathan Wakely <jwakely.gcc@gmail.com>
PR libstdc++/45283

56
libstdc++-v3/python/libstdcxx/v6/printers.py
View File

@ -153,37 +153,71 @@ class StdVectorPrinter:
"Print a std::vector"
class _iterator:
def __init__ (self, start, finish):
self.item = start
self.finish = finish
def __init__ (self, start, finish, bitvec):
self.bitvec = bitvec
if bitvec:
self.item = start['_M_p']
self.so = start['_M_offset']
self.finish = finish['_M_p']
self.fo = finish['_M_offset']
itype = self.item.dereference().type
self.isize = 8 * itype.sizeof
else:
self.item = start
self.finish = finish
self.count = 0
def __iter__(self):
return self
def next(self):
if self.item == self.finish:
raise StopIteration
count = self.count
self.count = self.count + 1
elt = self.item.dereference()
self.item = self.item + 1
return ('[%d]' % count, elt)
if self.bitvec:
if self.item == self.finish and self.so >= self.fo:
raise StopIteration
elt = self.item.dereference()
obit = 1 if elt & (1 << self.so) else 0
self.so = self.so + 1
if self.so >= self.isize:
self.item = self.item + 1
self.so = 0
return ('[%d]' % count, obit)
else:
if self.item == self.finish:
raise StopIteration
elt = self.item.dereference()
self.item = self.item + 1
return ('[%d]' % count, elt)
def __init__(self, typename, val):
self.typename = typename
self.val = val
self.is_bool = val.type.template_argument(0).code == gdb.TYPE_CODE_BOOL
def children(self):
return self._iterator(self.val['_M_impl']['_M_start'],
self.val['_M_impl']['_M_finish'])
self.val['_M_impl']['_M_finish'],
self.is_bool)
def to_string(self):
start = self.val['_M_impl']['_M_start']
finish = self.val['_M_impl']['_M_finish']
end = self.val['_M_impl']['_M_end_of_storage']
return ('%s of length %d, capacity %d'
% (self.typename, int (finish - start), int (end - start)))
if self.is_bool:
start = self.val['_M_impl']['_M_start']['_M_p']
so = self.val['_M_impl']['_M_start']['_M_offset']
finish = self.val['_M_impl']['_M_finish']['_M_p']
fo = self.val['_M_impl']['_M_finish']['_M_offset']
itype = start.dereference().type
bl = 8 * itype.sizeof
length = (bl - so) + bl * ((finish - start) - 1) + fo
capacity = bl * (end - start)
return ('%s<bool> of length %d, capacity %d'
% (self.typename, int (length), int (capacity)))
else:
return ('%s of length %d, capacity %d'
% (self.typename, int (finish - start), int (end - start)))
def display_hint(self):
return 'array'