Tom Weaver 9cf9710bb0 [Dexter][NFC] Add Debugger Controller To Dexter
Add DebuggerControllerBase and DefaultController to Dexter
  implements a new architecture that supports new and novel ways of running
  a debugger under dexter.
  Current implementation adds the original default behaviour via the new
  architecture via the DefaultController, this should have NFC.

Reviewers: Orlando

Differential Revision: https://reviews.llvm.org/D76926
2020-04-20 15:46:55 +01:00

39 lines
1.2 KiB
Python

# DExTer : Debugging Experience Tester
# ~~~~~~ ~ ~~ ~ ~~
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
from dex.command.CommandBase import CommandBase
from dex.dextIR import ValueIR
class DexUnreachable(CommandBase):
"""Expect the source line this is found on will never be stepped on to.
DexUnreachable()
See Commands.md for more info.
"""
def __init(self):
super(DexUnreachable, self).__init__()
pass
@staticmethod
def get_name():
return __class__.__name__
def eval(self, step_info):
# If we're ever called, at all, then we're evaluating a line that has
# been marked as unreachable. Which means a failure.
vir = ValueIR(expression="Unreachable",
value="True", type_name=None,
error_string=None,
could_evaluate=True,
is_optimized_away=True,
is_irretrievable=False)
return {'DexUnreachable' : vir}