aef117b737
Many object types now have a __repr__() function implementation. A common pattern is that, if an object is invalid, we print its representation as: <TYPENAME (invalid)>. I thought it might be a good idea to move the formatting of this specific representation into a utility function, and then update all of our existing code to call the new function. The only place where I haven't made use of the new function is in unwind_infopy_repr, where we currently return a different string. This case is a little different as the UnwindInfo is invalid because it references a frame, and it is the frame itself which is invalid. That said, I think it would be fine to switch to using the standard format; if the UnwindInfo references an invalid frame, then the UnwindInfo is itself invalid. But changing this would be an actual change in behaviour, while all the other changes in this commit are just refactoring. Approved-By: Tom Tromey <tom@tromey.com>
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