def get_enumeration(self, tr_type):
"""Lookup enumerations for translator type. Returns dictionary indexed
by integer values, eg. {0x0: 'UNDEFINDED'}.
"""
if tr_type in self.enumerations.keys():
# Cast values to integer and return dictionary.
return dict([
(binutils.integer(value), key)
for key, value in self.enumerations.get(tr_type).items()
])
return {}
def translate(self, node, values):
"""Translate by *node* type. Define methods named tr_<type> to extend
type translations. Attribute *values* is a list of values to be passed
to the translatior method.
"""
if isinstance(values, int):
values = [
values,
]
values = [binutils.integer(value) for value in values]
params = node.getParameters()
tr_type = params.setdefault(self.type_key, self.tr_type_default)
# Enumerations.
enums = self.get_enumeration(tr_type)
if values[0] in enums.keys():
return enums[values[0]]
# Use method to convert values.
return (self.get_translator(tr_type)
or self.get_translator(self.tr_type_default))(node, values)
def hexstr(self, value):
"""Returns hex formatted string of attribute *value* with leading zeros
according to data width."""
return '{0:0{1}x}'.format(
binutils.integer(value) & self.bitmask, self.charcount)
def binstr(self, value):
"""Returns binary formatted string of attribute *value* with leading
zeros according to data width."""
return '{0:0{1}b}'.format(
binutils.integer(value) & self.bitmask, self.width)