| 3763 | self.u_num = 0 |
| 3764 | |
| 3765 | def EvalExpression(self, expr): |
| 3766 | # Auto convert hex numbers to a python compatible format |
| 3767 | if expr[:2] == "00": |
| 3768 | expr = "0x"+expr |
| 3769 | result = None |
| 3770 | try: |
| 3771 | # Ugly hack to patch in register values. |
| 3772 | registers = [register |
| 3773 | for register,value in self.reader.ContextDescriptor().fields] |
| 3774 | registers.sort(key=lambda r: len(r)) |
| 3775 | registers.reverse() |
| 3776 | for register in registers: |
| 3777 | expr = expr.replace("$"+register, str(self.reader.Register(register))) |
| 3778 | result = eval(expr) |
| 3779 | except Exception as e: |
| 3780 | print("**** Could not evaluate '%s': %s" % (expr, e)) |
| 3781 | raise e |
| 3782 | return result |
| 3783 | |
| 3784 | def ParseAddressExpr(self, expr): |
| 3785 | address = 0; |