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67 lines
2.5 KiB
67 lines
2.5 KiB
4 months ago
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# DExTer : Debugging Experience Tester
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# ~~~~~~ ~ ~~ ~ ~~
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Default class for controlling debuggers."""
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from itertools import chain
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import os
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import time
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from dex.debugger.DebuggerControllers.DebuggerControllerBase import DebuggerControllerBase
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from dex.debugger.DebuggerControllers.ControllerHelpers import in_source_file, update_step_watches
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from dex.utils.Exceptions import DebuggerException, LoadDebuggerException
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class DefaultController(DebuggerControllerBase):
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def __init__(self, context, step_collection):
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self.context = context
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self.step_collection = step_collection
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self.source_files = self.context.options.source_files
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self.watches = set()
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self.step_index = 0
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def _break_point_all_lines(self):
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for s in self.context.options.source_files:
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with open(s, 'r') as fp:
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num_lines = len(fp.readlines())
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for line in range(1, num_lines + 1):
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try:
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self.debugger.add_breakpoint(s, line)
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except DebuggerException:
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raise LoadDebuggerException(DebuggerException.msg)
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def _run_debugger_custom(self):
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self.step_collection.debugger = self.debugger.debugger_info
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self._break_point_all_lines()
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self.debugger.launch()
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for command_obj in chain.from_iterable(self.step_collection.commands.values()):
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self.watches.update(command_obj.get_watches())
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max_steps = self.context.options.max_steps
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for _ in range(max_steps):
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while self.debugger.is_running:
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pass
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if self.debugger.is_finished:
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break
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self.step_index += 1
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step_info = self.debugger.get_step_info(self.watches, self.step_index)
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if step_info.current_frame:
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update_step_watches(step_info, self.watches, self.step_collection.commands)
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self.step_collection.new_step(self.context, step_info)
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if in_source_file(self.source_files, step_info):
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self.debugger.step()
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else:
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self.debugger.go()
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time.sleep(self.context.options.pause_between_steps)
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else:
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raise DebuggerException(
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'maximum number of steps reached ({})'.format(max_steps))
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