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Re: Fwd: How do I go about debugging my Elisp code?

From: Emanuel Berg
Subject: Re: Fwd: How do I go about debugging my Elisp code?
Date: Sat, 15 Jan 2022 00:22:09 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Jean Louis wrote:

> I join to advise by Michael from Sweden

Haha :D

> as to make it a proper package, use byte-compiler messages
> and warnings first.
> You could use M-x emacs-lisp-byte-compile to find various
> warnings and that is also for debugging purposes.
> What I often do is instrumenting the function for Edebug and
> using xref package to move from function to function.
> Here is the method:
> 1. First find the function which you suspect or wish to
>    debug, or the one which you are invoking.
> 2. Press C-u for prefix followed by C-M-x within the
>    function. This will instrument the function for Edebug.
> 3. Run the function to begin the process. Once instrumenting
>    process begins, click "n" for next and verify various
>    values and how function is executed. You will find out
>    what is wrong.
> 4. If you see that function is calling other function where
>    you think that problem exists, instrument that other
>    function as well.
> 5. To remove instrumentation use M-x
>    edebug-remove-instrumentation and remove functions which
>    you don't want to inspect any more.

... but good outline.

underground experts united

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