Re: Lisp watchpoints

[Andreas Schwab]

Stefan Monnier <address@hidden> writes:

>> +      else if (FUNCTIONP (watcher))
>> +        CALLN (Ffuncall, watcher, operation, where, symbol, newval);
>
> I don't think you need to test "FUNCTIONP (watcher)".
> And you don't need Ffuncall: what you wrote is similar to writing
>
>    (funcall #'funcall watcher operation where symbol newval)

The first argument to CALLN is a C function implementing a Lisp
function, like Ffuncall, but watcher isn't.  So the Ffuncall is needed
and it's equivalent to (funcall watcher operation where symbol newval).

Andreas.

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Andreas Schwab, address@hidden
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