Re: bug#24514: 24.5; Lispy backtraces

[Clément Pit--Claudel]

On 2016-12-01 21:24, Stefan Monnier wrote:
>> The discussion below seems to indicate that there's very little missing at
>> the Lisp level to be able to implement `backtrace' in Lisp; is that right?
> 
> Indeed, I think all the info needed is provided by backtrace-frame.

The C implementation of backtrace-frame seems to be linear in the index of the 
requested frame, so a Lisp implementation of backtrace would be quadratic in 
the depth of the stack trace.  Would a new function backtrace-frames that 
returns all frames at once be acceptable?

Clément

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