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This allows partially matched `define-syntax-rule' expressions and
avoids the termination of search-based fontification, which affects
other expressions inside the buffer, in the case of a missing
subexpression.
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Guile's `define-once' allows defining a variable only once, but its
syntax is different from `define', so its highlight is different.
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The name defined It's more like a function in a define than a variable,
since it can take arguments.
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`define-syntax-rule' is similar enough to procedure definitions that
it should be highlight as a slightly different version of one.
The faces were chosen to keep the same scheme used by `define-macro'.
`define-syntax-rule' was removed from Racket's extra keywords as there
is no need to special case it.
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For buffers containing a #lang directive, geiser-eval-buffer was simply
broken: one cannot send the whole region wrapped in a `begin' in that
case.
We try now to send the region below, although a real solution would
imply using #%module-begin as the wrapper, in order to be robust for
languages that define their own version of the macro (such as TR).
But people should use C-c C-a or C-c C-k and leave this silly function
alone instead.
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... so that we don't end up with a blank, useless buffer around.
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And, if you happen to be launching it all the time, a way of skipping
them via a customizable variable.
Should address issue #15.
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This will allow `package-buffer-info` to parse the description out of the file.
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Everything in geiser.el needs one, so that the generated
geiser-autoloads.el initializes variables and the like properly
automatically.
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Following the discussion in GitHub, i'm adding an alternative scheme
path to geiser.el as well as ##autoload cookies. As a first benefit,
this simplifies a bit the elpa target, after playing a similar path
trick in bin/geiser-racket.sh.
Things should be almost ready for creating a MELPA recipe.
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We add the paths in geiser-guile-load-path also to %load-compiled-path,
and new directories added to the load path via geiser-add-to-load-path
are added to both %load-path and %load-compiled-path.
Here's hope Ludovic will like all these additions!
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Too much clojure latetly!!
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This variable makes comint wait for the underlying process to echo its
input, something our schemes won't do. If anyone sets the variable
globally for what can only be perverse reasons, we just would just hung.
Not anymore.
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So the new functions are named geiser-racket-*-submodules, and by
default all submodule forms are hidden.
Now that we have the helpers in geiser-edit, we could have a generic
command in geiser-mode to change the visibility of form at point.
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The new commands, being racket-specific, are called
geiser-racket-{show,hide,toggle}-tests, and have no default binding in
geiser-mode (since they don't have any meaning in Guile).
The implementation is based on more generic functions in geiser-edit
that allow hiding of any top-level form, given its name, so we will
probably find new forms to hide in the future.
Hiding is limited to top-level forms, which i think is fine for the only
use case we have in mind right now.
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... so we have to check if it's defined and, in its defect, use the
new shiny comint-last-prompt. A bit of refactoring resulted.
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The parser in geiser-syntax is (tail, but elisp doesn't care)
recursive, and we are setting max-lisp-eval-depth to some, ahem,
heuristic value before starting a read. For long strings, such as
that returned by the list of identifiers exported by the racket
module, the heuristic was bad enough to produce a value making Emacs
to blow away.
This is just a palliative. The real solution is turn the recursion in
geiser-syntax--read into an explicit iteration.
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We were using a history entry separator including \0 that wasn't
writeable as an utf-8 file. Changing the separator to \n}{\n allows
using UTF-8 characters in the REPL which are correctly read back.
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Session seems to be recovering the value of geiser-doc--history
badly (see issue #7 for @achitu's discoveries), and since it is, in
fact, not a good idea to save it anyway, we've added an eval-on-load
deregistering the variable from session's list.
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... and used also internally for C-c C-k, although it doesn't yet work
as well as i wanted when it comes to load modules. The reason is
probably in geiser/enter, where we don't record modification times per
submodule but per path, which is not correct in the presence of submodules.
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Recognizing those forms in the elisp module getter.
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Racket is happy with that, so who are we to disagree?
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We weren't considering the obvious: (define/match (foo bar) ...)
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We could probably generalize to more function definition forms, but
this is a start.
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These functions are similar to geiser-eval-region and
geiser-eval-region-and-go, however they allow the user to operate on the
entire buffer, not requiring the user to narrow to a specific region.
This also differs slightly from geiser-compile-current-buffer as
geiser-eval-buffer does not require the contents of the buffer to
be saved prior to being sent to the REPL. Documentaion has also been
updated to include references to the new methods and their keybindings.
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The backtraces now display some leading whitespace, which the default
compilation-mode regexps was making part of the file name.
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i.e., removing again references to geiser's innards
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We had broken using the hint that `help` offers during our recent
adventures...
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Still a tad messy, because we are always forcing a retort-syntax error
and checking its ouput, but good enough for now.
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For some reason that i don't fully understand, evaluating a function
in the racket/base namespace first thing after loading errortrace
breaks the help macro (!). This patches provides a workaround by
actually invoking help first thing when Geiser starts, with alibi that
it serves to preload the help index (in a separate thread).
While i was at it, i improved the message printed in the minibuffer
when no help is found.
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So, the problem was that our regexp for a Racket prompt didn't take
into account that filenames could contain white spaces: "@[^ ]*> ". A
simple solution was accepting them: "@[^>]+> " won't work because '>'
is also a valid character in filenames, so we went for "@.*> ".
The drawback is that finding the beginning of the prompt (e.g. in C-a)
fails when you're writing things like:
racket@foo bar.rkt> (> 2 3)
because here comint believes that the prompt is "racket@foo bar.rkt> (> "
And that could have side-effects elsewhere. So what i've done is
simply changing the way white-space is (not) printed in the prompt,
substituting it by underscores. That way, whe can go back to the
initial regexp, comint doesn't get confused, and users can easily
infer that "@foo_bar.rkt>" is actually referring to their
"foo bar.rkt" file.
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Since spaces are allowed inside filenames after all.
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Use a prefix before pressing C-x C-e to print the result of evaluating
the expression before mark to the current buffer.
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I'm not convinced that this is the right thing, and the effect is a
bit ugly (we use save-window-excursion), but maybe this is the correct
thing to do for users that want auto-start.
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