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62 lines
2.1 KiB
62 lines
2.1 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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"""Help tool."""
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import imp
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import textwrap
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from dex.tools import ToolBase, get_tool_names, get_tools_directory, tool_main
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from dex.utils.ReturnCode import ReturnCode
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class Tool(ToolBase):
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"""Provides help info on subtools."""
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@property
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def name(self):
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return 'DExTer help'
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@property
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def _visible_tool_names(self):
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return [t for t in get_tool_names() if not t.endswith('-')]
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def add_tool_arguments(self, parser, defaults):
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parser.description = Tool.__doc__
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parser.add_argument(
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'tool',
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choices=self._visible_tool_names,
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nargs='?',
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help='name of subtool')
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def handle_options(self, defaults):
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pass
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@property
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def _default_text(self):
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s = '\n<b>The following subtools are available:</>\n\n'
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tools_directory = get_tools_directory()
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for tool_name in sorted(self._visible_tool_names):
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internal_name = tool_name.replace('-', '_')
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module_info = imp.find_module(internal_name, [tools_directory])
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tool_doc = imp.load_module(internal_name,
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*module_info).Tool.__doc__
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tool_doc = tool_doc.strip() if tool_doc else ''
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tool_doc = textwrap.fill(' '.join(tool_doc.split()), 80)
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s += '<g>{}</>\n{}\n\n'.format(tool_name, tool_doc)
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return s
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def go(self) -> ReturnCode:
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if self.context.options.tool is None:
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self.context.o.auto(self._default_text)
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return ReturnCode.OK
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tool_name = self.context.options.tool.replace('-', '_')
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tools_directory = get_tools_directory()
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module_info = imp.find_module(tool_name, [tools_directory])
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module = imp.load_module(tool_name, *module_info)
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return tool_main(self.context, module.Tool(self.context), ['--help'])
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