def __init__(self, method, bytestream):
self.method = method
self.class_ = method.class_
#Old versions use shorter fields for stack, locals, and code length
field_fmt = ">HHL" if self.class_.version > (45,2) else ">BBH"
self.stack, self.locals, codelen = bytestream.get(field_fmt)
assert(codelen > 0 and codelen < 65536)
self.bytecode_raw = bytestream.getRaw(codelen)
self.codelen = codelen
except_cnt = bytestream.get('>H')
self.except_raw = [bytestream.get('>HHHH') for i in range(except_cnt)]
self.except_raw = [exceptionHandlerRaw(*t) for t in self.except_raw]
self.attributes_raw = get_attributes_raw(bytestream)
assert(bytestream.size() == 0)
if self.except_raw:
assert(self.stack >= 1)
# print 'Parsing code for', method.name, method.descriptor, method.flags
codestream = binUnpacker.binUnpacker(data = self.bytecode_raw)
self.bytecode = bytecode.parseInstructions(codestream, self.isIdConstructor)
for e in self.except_raw:
assert(e.start in self.bytecode)
assert(e.end == codelen or e.end in self.bytecode)
assert(e.handler in self.bytecode)
def __init__(self, env, bytestream):
self.env = env
magic, minor, major = bytestream.get('>LHH')
assert(magic == 0xCAFEBABE)
self.version = major,minor
self.const_pool_raw = get_cp_raw(bytestream)
flags, self.this, self.super = bytestream.get('>HHH')
interface_count = bytestream.get('>H')
self.interfaces_raw = [bytestream.get('>H') for i in range(interface_count)]
self.fields_raw = get_fields_raw(bytestream)
self.methods_raw = get_methods_raw(bytestream)
self.attributes_raw = get_attributes_raw(bytestream)
assert(bytestream.size() == 0)
self.flags = set(name for name,mask in ClassFile.flagVals.items() if (mask & flags))
def get_field_raw(bytestream):
flags, name, desc = bytestream.get('>HHH')
attributes = get_attributes_raw(bytestream)
return flags, name, desc, attributes
