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60 lines
1.8 KiB
60 lines
1.8 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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"""View tool."""
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import os
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import pickle
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from dex.heuristic import Heuristic
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from dex.heuristic.Heuristic import add_heuristic_tool_arguments
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from dex.tools import ToolBase
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from dex.utils.Exceptions import Error, HeuristicException
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from dex.utils.ReturnCode import ReturnCode
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class Tool(ToolBase):
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"""Given a dextIR file, display the information in a human-readable form.
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"""
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@property
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def name(self):
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return 'DExTer view'
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def add_tool_arguments(self, parser, defaults):
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add_heuristic_tool_arguments(parser)
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parser.add_argument(
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'input_path',
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metavar='dextIR-file',
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type=str,
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default=None,
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help='dexter dextIR file to view')
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parser.description = Tool.__doc__
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def handle_options(self, defaults):
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options = self.context.options
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options.input_path = os.path.abspath(options.input_path)
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if not os.path.isfile(options.input_path):
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raise Error('<d>could not find dextIR file</> <r>"{}"</>'.format(
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options.input_path))
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def go(self) -> ReturnCode:
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options = self.context.options
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with open(options.input_path, 'rb') as fp:
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steps = pickle.load(fp)
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try:
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heuristic = Heuristic(self.context, steps)
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except HeuristicException as e:
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raise Error('could not apply heuristic: {}'.format(e))
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self.context.o.auto('{}\n\n{}\n\n{}\n\n'.format(
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heuristic.summary_string, steps, heuristic.verbose_output))
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return ReturnCode.OK
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