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[TVMScript] Preserve traceback across TVMScript parsing #15824

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Merged
Lunderberg merged 1 commit into from
Sep 27, 2023
Merged

[TVMScript] Preserve traceback across TVMScript parsing #15824

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13 changes: 12 additions & 1 deletion python/tvm/script/parser/core/parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -522,7 +522,18 @@ def report_error(
msg = "KeyError: " + str(err)
else:
msg = str(err)
self.diag.error(node, msg)

try:
self.diag.error(node, msg)
except Exception as diag_err:
# Calling self.diag.error is guaranteed to throw an
# exception. When shown to a user, this error should
# reference the point of error within the provided
# TVMScript. However, when caught in pdb, the full
# traceback should be available for debugging.
if isinstance(err, Exception):
diag_err = diag_err.with_traceback(err.__traceback__)
raise diag_err

def visit(self, node: doc.AST) -> None:
"""The general visiting method.
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