def check_impl(self):
from javatools import opcodes
from itertools import izip
left = self.ldata
right = self.rdata
offsets = list()
if left is None or right is None:
return True, None
if len(left.code) != len(right.code):
# code body change, can't determine constants
return True, None
for l, r in izip(left.disassemble(), right.disassemble()):
if not ((l[0] == r[0]) and (l[1] == r[1])):
# code body change, can't determine constants
return True, None
largs = l[2]
rargs = r[2]
if opcodes.has_const_arg(l[1]):
largs, rargs = list(largs), list(rargs)
largs[0] = left.cpool.deref_const(largs[0])
rargs[0] = right.cpool.deref_const(rargs[0])
if largs != rargs:
offsets.append(l[0])
self.offsets = offsets
return bool(self.offsets), None
def fn_pretty(self, c):
from javatools import opcodes
if not self.offsets:
return None
pr = list()
for offset, code, args in c.disassemble():
if offset in self.offsets and opcodes.has_const_arg(code):
name = opcodes.get_opname_by_code(code)
data = c.cpool.pretty_deref_const(args[0])
pr.append((offset, name, data))
return pr