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111 lines
3 KiB
Python
111 lines
3 KiB
Python
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import sys
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OS = sys.platform
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def _as_tuple(items):
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if isinstance(items, str):
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return tuple(items.strip().replace(',', ' ').split())
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elif items:
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return tuple(items)
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else:
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return ()
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class PreprocessorError(Exception):
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"""Something preprocessor-related went wrong."""
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@classmethod
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def _msg(cls, filename, reason, **ignored):
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msg = 'failure while preprocessing'
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if reason:
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msg = f'{msg} ({reason})'
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return msg
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def __init__(self, filename, preprocessor=None, reason=None):
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if isinstance(reason, str):
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reason = reason.strip()
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self.filename = filename
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self.preprocessor = preprocessor or None
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self.reason = str(reason) if reason else None
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msg = self._msg(**vars(self))
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msg = f'({filename}) {msg}'
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if preprocessor:
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msg = f'[{preprocessor}] {msg}'
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super().__init__(msg)
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class PreprocessorFailure(PreprocessorError):
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"""The preprocessor command failed."""
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@classmethod
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def _msg(cls, error, **ignored):
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msg = 'preprocessor command failed'
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if error:
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msg = f'{msg} {error}'
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return msg
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def __init__(self, filename, argv, error=None, preprocessor=None):
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exitcode = -1
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if isinstance(error, tuple):
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if len(error) == 2:
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error, exitcode = error
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else:
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error = str(error)
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if isinstance(error, str):
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error = error.strip()
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self.argv = _as_tuple(argv) or None
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self.error = error if error else None
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self.exitcode = exitcode
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reason = str(self.error)
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super().__init__(filename, preprocessor, reason)
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class ErrorDirectiveError(PreprocessorFailure):
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"""The file hit a #error directive."""
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@classmethod
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def _msg(cls, error, **ignored):
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return f'#error directive hit ({error})'
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def __init__(self, filename, argv, error, *args, **kwargs):
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super().__init__(filename, argv, error, *args, **kwargs)
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class MissingDependenciesError(PreprocessorFailure):
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"""The preprocessor did not have access to all the target's dependencies."""
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@classmethod
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def _msg(cls, missing, **ignored):
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msg = 'preprocessing failed due to missing dependencies'
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if missing:
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msg = f'{msg} ({", ".join(missing)})'
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return msg
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def __init__(self, filename, missing=None, *args, **kwargs):
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self.missing = _as_tuple(missing) or None
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super().__init__(filename, *args, **kwargs)
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class OSMismatchError(MissingDependenciesError):
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"""The target is not compatible with the host OS."""
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@classmethod
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def _msg(cls, expected, **ignored):
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return f'OS is {OS} but expected {expected or "???"}'
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def __init__(self, filename, expected=None, *args, **kwargs):
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if isinstance(expected, str):
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expected = expected.strip()
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self.actual = OS
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self.expected = expected if expected else None
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super().__init__(filename, None, *args, **kwargs)
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