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My previous attempt was bogus! Also, i'm taking advantage of our
sending queries serially to simplify transaction queue processing, and
to clean after ourserlves on error.
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Let's use the scheme reader instead of half-assed regular expressions
and special-casing.
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Apparently, quack makes (thing-at-point 'symbol) to return "#" when
point is looking at a hash symbol, causing havoc to geiser. This patch
defends us about this behaviour.
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We cannot consistently maintain a local cache, because of
re-evaluations of external symbols will go unnoticed. The new strategy
(remembering only the latest signatures) mostly works, although it
introduces a bit of extra flickering every now and then.
A global cache is perhaps worth considering.
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Only display an activation message when called interactively.
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The message and the evaluated expression where getting mixed for Guile.
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A piece of eldoc advice shamelessly lifted from slime.
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Namely, those with non-letters in their name, because we were using
"%S" instead of "%s" to stringify uninterned symbols.
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I've observed that autodoc requests in connections to tekuti processes
often miss their deadline. This was causing serialization problems,
fixed (i think) by this patch; but we still have the problem of too
many misses, which could be fixed by making autodoc asynchronous (and
we probably need this for really remote connections anyway).
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Maybe i should bite the bullet and use ##autoload cookies, but then
geiser.el would need to be a generated file, breaking
out-of-the-boxness (unless i update it by hand). Sticking to manual
maintenance for now.
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Greg Hendershott tells me that, unless you require quack after loading
geiser, quack's font lock is somehow ignored. I have yet to understand
why.
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If quack-mode is active, we leave additional font locking to it.
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A couple functions to manage logs, and a fix to the definition of
geiser-messages-mode: do not ever kill all local variables in a
derived mode definition!
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I've eliminated the annoying *spurious* popup produced by tq, so that
Geiser can recover from error conditions arising from unexpected
input to a transaction queue that has no active transaction. We now
log the offending input and keep going.
Greg, over at racket's list, reported such a happening when leaving
the REPL after C-u C-c C-z; but i've been unable to reproduce the
problem. Probably, we have a bug lurking somewhere that this patch
doesn't fix, but at least it should work as a palliative.
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This is Emacs, after all.
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You won't believe it, but people write procedures spanning several
pages, even in Scheme. Where's the art and the poetry of programming?
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The new completion machinery Geiser uses was introduced there.
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... and i haven't yet refactored `geiser-syntax--scan-locals', oh my.
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... using the new non-interning reader. Plus scanning for case-lambda
and syntax-rules. `geiser-syntax--scan-locals' is in danger of
refactoring, specially if we add support for let-values.
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It was relying on symbol equality, and not dealing correctly with
keyword arguments in this new external world. In the process, some
cleanups to the scheme data display code.
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We were still internalizing scheme _keywords_ in the elisp reader.
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Since, you know, module names are now uninterned symbols.
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We avoid using elisp's read for symbols, reading uninterned ones
instead. And then, we cannot use symbols as keys in responses from
scheme: we're using strings instead.
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These ones seem safe: the resulting symbol is not compared for
equality anywhere.
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We avoid calling symbol-at-point, and keep the cached signatures with
strings as keys.
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... which interns the symbol in the global obarray: rather unfriendly.
We still need to remove a few calls to that beast, and avoid intern in
the scheme reader.
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We were adding extra spaces to function signatures.
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This reverts commit 801422d1558f488059ede4f9abab5163ca610900.
We cannot blindly substitute make-symbol for intern in the scheme
reader, because we rely on symbol equality elsewhere, often. The fix
will have to be much more careful.
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We were calling `intern' instead of `make-symbol', polluting emacs'
obarray.
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When the symbol is imported and re-exported by a second module, we
display its definition name and original module, besides the name of
the module re-exporting it.
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But i should really refactor this: module and value are (or can be)
already available in the response coming from Scheme.
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