def read(self, class_reader):
self.read_and_check_magic(class_reader)
self.read_and_check_version(class_reader)
self.constant_pool = ConstantPool()
self.constant_pool.read_constant_pool(class_reader)
self.access_flags = int.from_bytes(class_reader.read_unit16(), byteorder="big")
self.this_class = int.from_bytes(class_reader.read_unit16(), byteorder="big")
self.super_class = int.from_bytes(class_reader.read_unit16(), byteorder="big")
self.interfaces = class_reader.read_unit16s()
member_info = MemberInfo(self.constant_pool)
self.fields = member_info.read_members(class_reader, self.constant_pool)
self.methods = member_info.read_members(class_reader, self.constant_pool)
self.attributes = AttributeInfo.read_attributes(class_reader, self.constant_pool)
def new_constant_pool(clazz, cfConstantPool: ConstantPool):
from ch08.classfile.CpNumeric import ConstantDoubleInfo, ConstantLongInfo, ConstantFloatInfo, ConstantIntegerInfo
from ch08.classfile.ConstantStringInfo import ConstantStringInfo
from ch08.classfile.ConstantClassInfo import ConstantClassInfo
from ch08.classfile.ConstantMemberRefInfo import ConstantFieldRefInfo, ConstantMethodRefInfo, \
ConstantInterfaceMethodRefInfo
from ch08.rtda.heap.CpClassRef import ClassRef
from ch08.rtda.heap.CpFieldRef import FieldRef
from ch08.rtda.heap.CpMethodRef import MethodRef
from ch08.rtda.heap.CpInterfaceMethodRef import InterfaceMethodRef
cp_count = len(cfConstantPool.cp)
consts = [None for _ in range(cp_count)]
rt_constant_pool = ConstantPool(clazz, consts)
for i in range(1, cp_count):
cp_info = cfConstantPool.cp[i]
if isinstance(cp_info, ConstantIntegerInfo):
consts[i] = cp_info.val
elif isinstance(cp_info, ConstantFloatInfo):
consts[i] = cp_info.val
elif isinstance(cp_info, ConstantLongInfo):
consts[i] = cp_info.val
elif isinstance(cp_info, ConstantDoubleInfo):
consts[i] = cp_info.val
elif isinstance(cp_info, ConstantStringInfo):
consts[i] = str(cp_info)
elif isinstance(cp_info, ConstantClassInfo):
consts[i] = ClassRef(rt_constant_pool, cp_info)
elif isinstance(cp_info, ConstantFieldRefInfo):
consts[i] = FieldRef(rt_constant_pool, cp_info)
elif isinstance(cp_info, ConstantMethodRefInfo):
consts[i] = MethodRef(rt_constant_pool, cp_info)
elif isinstance(cp_info, ConstantInterfaceMethodRefInfo):
consts[i] = InterfaceMethodRef(rt_constant_pool, cp_info)
# rt_constant_pool.consts = consts
return rt_constant_pool
def __init__(self, constant_pool):
from ch08.classfile.ConstantPool import ConstantPool
self.cp = ConstantPool(constant_pool)
self.class_index = 0
self.name_and_type_index = 0
def __init__(self, constant_pool):
from ch08.classfile.ConstantPool import ConstantPool
self.cp = ConstantPool(constant_pool)
self.string_index = ""