def __init__(self, source: IO = None):
# Default to J2SE_7
self._version = ClassVersion(0x32, 0)
self._constants = ConstantPool()
self.access_flags = Flags(
'>H', {
'acc_public': 0x0001,
'acc_final': 0x0010,
'acc_super': 0x0020,
'acc_interface': 0x0200,
'acc_abstract': 0x0400,
'acc_synthetic': 0x1000,
'acc_annotation': 0x2000,
'acc_enum': 0x4000
})
self._this = 0
self._super = 0
self._interfaces = []
self.fields = FieldTable(self)
self.methods = MethodTable(self)
self.attributes = AttributeTable(self)
#: The ClassLoader bound to this ClassFile, if any.
self.classloader = None
if source:
self._from_io(source)
def __init__(self, table, name_index=None):
super(CodeAttribute, self).__init__(
table, name_index or table.cf.constants.create_utf8('Code').index)
self.max_stack = 0
self.max_locals = 0
self.exception_table = []
self.attributes = AttributeTable(table.cf, parent=self)
self._code = ''
def __init__(self, cf):
self._cf = cf
self.access_flags = Flags(
'>H', {
'acc_public': 0x0001,
'acc_private': 0x0002,
'acc_protected': 0x0004,
'acc_static': 0x0008,
'acc_final': 0x0010,
'acc_volatile': 0x0040,
'acc_transient': 0x0080,
'acc_synthetic': 0x1000,
'acc_enum': 0x4000
})
self._name_index = 0
self._descriptor_index = 0
self.attributes = AttributeTable(cf)
def __init__(self, cf):
self._cf = cf
self.access_flags = Flags('>H', {
'acc_public': 0x0001,
'acc_private': 0x0002,
'acc_protected': 0x0004,
'acc_static': 0x0008,
'acc_final': 0x0010,
'acc_synchronized': 0x0020,
'acc_bridge': 0x0040,
'acc_varargs': 0x0080,
'acc_native': 0x0100,
'acc_abstract': 0x0400,
'acc_strict': 0x0800,
'acc_synthetic': 0x1000
})
self._name_index = 0
self._descriptor_index = 0
self.attributes = AttributeTable(cf)
def unpack(self, info):
"""
Read the CodeAttribute from the byte string `info`.
.. note::
Advanced usage only. You will typically never need to call this
method as it will be called for you when loading a ClassFile.
:param info: A byte string containing an unparsed CodeAttribute.
"""
self.max_stack, self.max_locals, c_len = info.unpack('>HHI')
self._code = info.read(c_len)
# The exception table
ex_table_len = info.u2()
for _ in repeat(None, ex_table_len):
self.exception_table.append(CodeException(*info.unpack('>HHHH')))
self.attributes = AttributeTable(self.cf, parent=self)
self.attributes.unpack(info)
