Adding languages to gud

Adding languages to gud

[Jay Belanger]

The emacs manual discusses how to use gud, but doesn't mention how to
add languages to it.  The actual source has a few lines on adding
debuggers, but without many details.  (A new debugger needs a
massage-args function to massage arguments, but what arguments, and
how/why do they need to be massaged?)  Is there any documentation on
adding debuggers?

Thanks,
Jay

Re: Adding languages to gud

[Kai Großjohann]

Jay Belanger <belanger@truman.edu> writes:

> (A new debugger needs a massage-args function to massage arguments,
> but what arguments, and how/why do they need to be massaged?)

IMHO it's best not to massage the arguments.

To find out which arguments are passed to the function, it might be
easiest to write a little function which invokes debug:

(defun jay-massage-args (&rest args)
  (debug))

Then you can do `e args RET' from the debugger, then you know.

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