def cb_deref_imm_reg(tokens):
if len(tokens) == 1:
return AstMem(tokens[0], 32)
elif len(tokens) == 2:
return AstMem(tokens[1] + tokens[0], 32)
else:
raise NotImplementedError('len(tokens) > 2')
def cb_regreg(tokens):
assert len(tokens) == 2
result = AstMem(tokens[0] + tokens[1], 32)
return result
def cb_postinc(tokens):
assert len(tokens) == 1
result = AstMem(AstOp('postinc', tokens[0]), 32)
return result
def cb_predec(tokens):
assert len(tokens) == 1
result = AstMem(AstOp('predec', tokens[0]), 32)
return result
def cb_deref_mem(tokens):
assert len(tokens) == 1
result = AstMem(tokens[0], 32)
return result
def cb_deref_off(tokens):
assert len(tokens) == 2
result = AstMem(tokens[1] + tokens[0], 16)
return result
def cb_deref_nooff(tokens):
assert len(tokens) == 1
result = AstMem(tokens[0], 16)
return result
def cb_deref_nooff(tokens):
if len(tokens) != 3:
raise NotImplementedError("TODO")
return AstMem(tokens[1], 32)
def cb_deref(tokens):
if len(tokens) != 4:
raise NotImplementedError("TODO")
return AstMem(tokens[2] + tokens[0], 32)