kakoune/gdb/kakoune.py

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import gdb.printing
class ArrayIterator:
def __init__ (self, data, count):
self.data = data
self.count = count
self.index = 0
def __iter__ (self):
return self
def next (self):
if self.index == self.count:
raise StopIteration
index = self.index
self.index = self.index + 1
return ('[%d]' % index, (self.data + index).dereference())
class MemoryView:
"""Print a memoryview"""
def __init__(self, val):
self.val = val
def display_hint(self):
return 'array'
def children(self):
return ArrayIterator(self.val['m_pointer'], self.val['m_size'])
def to_string(self):
value_type = self.val.type.template_argument(0).unqualified().strip_typedefs()
return "memoryview<%s>" % (value_type)
class LineAndColumn:
"""Print a LineAndColumn"""
def __init__(self, val):
self.val = val
def to_string(self):
value_type = self.val.type.unqualified()
return "%s(%d, %d)" % (value_type, self.val['line'], self.val['column'])
class BufferIterator:
""" Print a BufferIterator"""
def __init__(self, val):
self.val = val
def to_string(self):
if self.val['m_buffer'] != 0:
return "buffer<%s>@(%d, %d)" % (self.val['m_buffer'].dereference()['m_name'], self.val['m_coord']['line'], self.val['m_coord']['column'])
else:
return "buffer<none>@(%d, %d)" % (self.val['m_coord']['line'], self.val['m_coord']['column'])
def build_pretty_printer():
pp = gdb.printing.RegexpCollectionPrettyPrinter("kakoune")
pp.add_printer('memoryview', '^Kakoune::memoryview<.*>$', MemoryView)
pp.add_printer('LineAndColumn', '^Kakoune::LineAndColumn<.*>$', LineAndColumn)
pp.add_printer('BufferCoord', '^Kakoune::BufferCoord$', LineAndColumn)
pp.add_printer('DisplayCoord', '^Kakoune::DisplayCoord$', LineAndColumn)
pp.add_printer('BufferIterator', '^Kakoune::BufferIterator$', BufferIterator)
return pp