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from coalib.misc.Decorators import enforce_signature |
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from coalib.results.SourcePosition import SourcePosition |
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from coalib.results.TextRange import TextRange |
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class SourceRange(TextRange): |
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@enforce_signature |
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def __init__(self, |
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start: SourcePosition, |
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end: (SourcePosition, None)=None): |
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""" |
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Creates a new SourceRange. |
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:param start: A SourcePosition indicating the start of the range. |
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:param end: A SourcePosition indicating the end of the range. |
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If `None` is given, the start object will be used |
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here. end must be in the same file and be greater |
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than start as negative ranges are not allowed. |
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:raises TypeError: Raised when |
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- start is no SourcePosition or None. |
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- end is no SourcePosition. |
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:raises ValueError: Raised when file of start and end mismatch. |
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""" |
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TextRange.__init__(self, start, end) |
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if self.start.file != self.end.file: |
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raise ValueError("File of start and end position do not match.") |
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@classmethod |
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def from_values(cls, |
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file, |
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start_line=None, |
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start_column=None, |
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end_line=None, |
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end_column=None): |
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start = SourcePosition(file, start_line, start_column) |
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if not end_line: |
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end = None |
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else: |
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end = SourcePosition(file, end_line, end_column) |
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return cls(start, end) |
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@classmethod |
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def from_clang_range(cls, range): |
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""" |
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Creates a SourceRange from a clang SourceRange object. |
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:param range: A cindex.SourceRange object. |
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""" |
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return cls.from_values(range.start.file.name.decode(), |
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range.start.line, |
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range.start.column, |
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range.end.line, |
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range.end.column) |
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@property |
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def file(self): |
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return self.start.file |
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def overlaps(self, other): |
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return self.start <= other.end and self.end >= other.start |
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coala-analyzer /
coala
