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())
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class ArrayView:
"""Print a ArrayView"""
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):
type = self.val.type.template_argument(0).unqualified().strip_typedefs()
return "ArrayView<%s>" % (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(%s, %s)" % (value_type, self.val['line'],
self.val['column'])
class BufferIterator:
""" Print a BufferIterator"""
def __init__(self, val):
self.val = val
def to_string(self):
line = self.val['m_coord']['line']
column = self.val['m_coord']['column']
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if self.val['m_buffer']['m_ptr'] != 0:
buf = self.val['m_buffer']['m_ptr'].dereference()['m_name']
return "buffer<%s>@(%s, %s)" % (buf, line, column)
else:
return "buffer<none>@(%s, %s)" % (line, column)
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class String:
""" Print a String"""
def __init__(self, val):
self.val = val
def to_string(self):
data = self.val["m_data"]
if (data["s"]["size"] & 1) != 1:
ptr = data["l"]["ptr"]
len = data["l"]["size"]
else:
ptr = data["s"]["string"]
len = data["s"]["size"] >> 1
return "\"%s\"" % (ptr.string("utf-8", "ignore", len))
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class StringView:
""" Print a StringView"""
def __init__(self, val):
self.val = val
def to_string(self):
len = self.val['m_length']['m_value']
return "\"%s\"" % (self.val['m_data'].string("utf-8", "ignore", len))
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class StringDataPtr:
""" Print a RefPtr<StringData>"""
def __init__(self, val):
self.val = val
def to_string(self):
ptr = self.val['m_ptr']
str_type = gdb.lookup_type("char").pointer()
len = ptr.dereference()['length']
refcount = ptr.dereference()['refcount']
content = (ptr + 1).cast(str_type).string("utf-8", "ignore", len)
return "\"%s\" (ref:%d)" % (content.replace("\n", "\\n"), refcount)
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class RefPtr:
""" Print a RefPtr"""
def __init__(self, val):
self.val = val
def to_string(self):
ptr = self.val['m_ptr']
return "\"refptr %s\"" % (ptr)
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class Option:
""" Print a Option"""
def __init__(self, val):
self.val = val
def to_string(self):
return self.val["m_value"]
class CharCount:
"""Print a CharCount"""
def __init__(self, val):
self.val = val
def to_string(self):
return self.val["m_value"]
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class ByteCount:
"""Print a ByteCount"""
def __init__(self, val):
self.val = val
def to_string(self):
return self.val["m_value"]
class LineCount:
"""Print a LineCount"""
def __init__(self, val):
self.val = val
def to_string(self):
return self.val["m_value"]
class Color:
"""Print a Color"""
def __init__(self, val):
self.val = val
def to_string(self):
named_color = gdb.lookup_type("Kakoune::Color::NamedColor")
if self.val["color"] == named_color["Kakoune::Color::RGB"].enumval:
return "%s #%02x%02x%02x" % (self.val["color"], self.val["r"],
self.val["g"], self.val["b"])
else:
return self.val["color"]
def build_pretty_printer():
pp = gdb.printing.RegexpCollectionPrettyPrinter("kakoune")
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pp.add_printer('ArrayView', '^Kakoune::ArrayView<.*>$', ArrayView)
pp.add_printer('LineAndColumn', '^Kakoune::LineAndColumn<.*>$', LineAndColumn)
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pp.add_printer('ByteCoord', '^Kakoune::ByteCoord$', LineAndColumn)
pp.add_printer('CharCoord', '^Kakoune::CharCoord$', LineAndColumn)
pp.add_printer('BufferIterator', '^Kakoune::BufferIterator$', BufferIterator)
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pp.add_printer('String', '^Kakoune::String$', String)
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pp.add_printer('StringView', '^Kakoune::StringView$', StringView)
pp.add_printer('SharedString', '^Kakoune::SharedString$', StringView)
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pp.add_printer('StringDataPtr', '^Kakoune::RefPtr<Kakoune::StringData,.*>$', StringDataPtr)
pp.add_printer('RefPtr', '^Kakoune::RefPtr<.*>$', RefPtr)
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pp.add_printer('Option', '^Kakoune::Option$', Option)
pp.add_printer('LineCount', '^Kakoune::LineCount$', LineCount)
pp.add_printer('CharCount', '^Kakoune::CharCount$', CharCount)
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pp.add_printer('ByteCount', '^Kakoune::ByteCount$', ByteCount)
pp.add_printer('Color', '^Kakoune::Color$', Color)
return pp