| # 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 |
| """Default class for controlling debuggers.""" |
| |
| from itertools import chain |
| import os |
| import time |
| |
| from dex.debugger.DebuggerControllers.DebuggerControllerBase import DebuggerControllerBase |
| from dex.debugger.DebuggerControllers.ControllerHelpers import in_source_file, update_step_watches |
| from dex.utils.Exceptions import DebuggerException, LoadDebuggerException |
| |
| class DefaultController(DebuggerControllerBase): |
| def __init__(self, context, step_collection): |
| self.context = context |
| self.step_collection = step_collection |
| self.source_files = self.context.options.source_files |
| self.watches = set() |
| self.step_index = 0 |
| |
| def _break_point_all_lines(self): |
| for s in self.context.options.source_files: |
| with open(s, 'r') as fp: |
| num_lines = len(fp.readlines()) |
| for line in range(1, num_lines + 1): |
| try: |
| self.debugger.add_breakpoint(s, line) |
| except DebuggerException: |
| raise LoadDebuggerException(DebuggerException.msg) |
| |
| def _run_debugger_custom(self): |
| self.step_collection.debugger = self.debugger.debugger_info |
| self._break_point_all_lines() |
| self.debugger.launch() |
| |
| for command_obj in chain.from_iterable(self.step_collection.commands.values()): |
| self.watches.update(command_obj.get_watches()) |
| |
| max_steps = self.context.options.max_steps |
| for _ in range(max_steps): |
| while self.debugger.is_running: |
| pass |
| |
| if self.debugger.is_finished: |
| break |
| |
| self.step_index += 1 |
| step_info = self.debugger.get_step_info(self.watches, self.step_index) |
| |
| if step_info.current_frame: |
| update_step_watches(step_info, self.watches, self.step_collection.commands) |
| self.step_collection.new_step(self.context, step_info) |
| |
| if in_source_file(self.source_files, step_info): |
| self.debugger.step() |
| else: |
| self.debugger.go() |
| |
| time.sleep(self.context.options.pause_between_steps) |
| else: |
| raise DebuggerException( |
| 'maximum number of steps reached ({})'.format(max_steps)) |
