22 lines
582 B
Python
22 lines
582 B
Python
import ast
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class CustomError(Exception):
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def __init__(self, msg, node = None):
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self.msg = msg
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if node is not None:
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self.at(node)
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def at(self, node):
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self.msg = f'Error at {node.lineno}:{node.col_offset+1}-' \
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f'{node.end_lineno}:{node.end_col_offset+1} ' \
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f'"{ast.unparse(node)}"\n{self.msg}'
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return self
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def stringify_subst(subst):
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if isinstance(subst, str):
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return subst
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elements = [f"{key}: {str(value)}" for key, value in subst.items()]
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return "{" + ', '.join(elements) + "}"
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