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@@ -1,212 +0,0 @@ --*- mode: org -*- -* Overview - - Geiser is a generic Emacs/Scheme interaction mode, featuring an - enhanced REPL and a set of minor modes improving Emacs' basic scheme - major mode. The main functionalities provided are: - - - Evaluation of forms in the namespace of the current module. - - Macro expansion. - - File/module loading. - - Namespace-aware identifier completion (including local bindings, - names visible in the current module, and module names). - - Autodoc: the echo area shows information about the signature of - the procedure/macro around point automatically. - - Jump to definition of identifier at point. - - Access to documentation (including docstrings when the - implementation provides it). - - Listings of identifiers exported by a given module. - - Listings of callers/callees of procedures. - - Rudimentary support for debugging (list of - evaluation/compilation error in an Emacs' compilation-mode - buffer). - - Support for inline images in schemes, such as Racket, that treat - them as first order values. - - NOTE: if you're not in a hurry, Geiser's website - (http://www.nongnu.org/geiser/) contains a nicer manual, also - included in Geiser tarballs as a texinfo file (doc/geiser.info). - -* Requirements - - Geiser needs Emacs 23.2 or better, and at least one of the - supported scheme implementations: - - Guile 2.2 or better. - - PLT Racket 6.0 or better. - - Chicken 4.8.0 or better. - - MIT/GNU Scheme 9.1.1 or better. - - Chibi 0.7.3 or better. - - Chez 9.4 or better. - -* Installation - - The easiest way is to use MELPA, and just type - =M-x package-install RET geiser= inside emacs. - - Geiser can be used either directly from its uninstalled source tree - or byte-compiled and installed after performing the standard - configure/make/make install dance. See the INSTALL file for more details. - -** Chicken Addendum - These steps are necessary to fully support Chicken Scheme, but are - not required for any other scheme. - - - Install the necessary support eggs: - -#+BEGIN_EXAMPLE - $ chicken-install -s apropos chicken-doc -#+END_EXAMPLE - - - Update the Chicken documentation database: - -#+BEGIN_EXAMPLE - $ cd `csi -p '(chicken-home)'` - $ curl http://3e8.org/pub/chicken-doc/chicken-doc-repo.tgz | sudo tar zx -#+END_EXAMPLE - -* Basic configuration - - The loading invocations above install all supported Scheme - implementations. You can list explicitly the ones that you want by - setting the variable =geiser-active-implementations= *before* loading - geiser.el. For instance: - -#+BEGIN_SRC elisp - (setq geiser-active-implementations '(chicken guile)) -#+END_SRC - - On opening a scheme file, Geiser will try to guess its Scheme, - defaulting to the first in the list. Use =C-c C-s= to select the - implementation by hand (on a per file basis). - - Check the geiser customization group for some options with: - -#+BEGIN_EXAMPLE - M-x customize-group RET geiser RET -#+END_EXAMPLE - - In particular, customize =geiser-<impl>-binary=, which should point - to an executable in your path. - - To start a REPL, =M-x geiser=. - -** Completion with company-mode - - Geiser offers identifier and module name completion, bound to - =M-TAB= and =M-`= respectively. Only names visible in the current - module are offered. - - While that is cool and all, things are even better: if you have - [[http://company-mode.github.io/][company mode]] installed, Geiser's completion will use it. Just - require company-mode and, from then on, any new scheme buffer or - REPL will use it. - -* Quick key reference - -** In Scheme buffers: - - |-------------+--------------------------------------------------| - | C-c C-s | Specify Scheme implementation for buffer | - | C-c C-z | Switch to REPL | - | C-c C-a | Switch to REPL and current module | - | | | - |-------------+--------------------------------------------------| - | M-. | Go to definition of identifier at point | - | M-, | Go back to where M-. was last invoked | - | C-c C-e m | Ask for a module and open its file | - | C-c C-e C-l | Add a given directory to Scheme's load path | - | C-c C-e [ | Toggle between () and [] for current form | - | | | - |-------------+--------------------------------------------------| - | C-M-x | Eval definition around point | - | C-c C-c | Eval definition around point | - | C-c M-e | Eval definition around point and switch to REPL | - | C-x C-e | Eval sexp before point | - | C-c C-r | Eval region | - | C-c M-r | Eval region and switch to REPL | - | C-c C-b | Eval buffer | - | C-c M-b | Eval buffer and switch to REPL | - | | | - |-------------+--------------------------------------------------| - | C-c C-m x | Macro-expand definition around point | - | C-c C-m e | Macro-expand sexp before point | - | C-c C-m r | Macro-expand region | - | | | - |-------------+--------------------------------------------------| - | C-c C-k | Compile and load current buffer | - | C-c C-l | Load scheme file | - | C-u C-c C-k | Compile and load current buffer, restarting REPL | - | | | - |-------------+--------------------------------------------------| - | C-c C-d d | See documentation for identifier at point | - | C-c C-d s | See short documentation for identifier at point | - | C-c C-d i | Look up manual for identifier at point | - | C-c C-d m | See a list of a module's exported identifiers | - | C-c C-d a | Toggle autodoc mode | - | | | - |-------------+--------------------------------------------------| - | C-c < | Show callers of procedure at point | - | C-c > | Show callees of procedure at point | - | | | - |-------------+--------------------------------------------------| - | M-TAB | Complete identifier at point | - | M-`, C-. | Complete module name at point | - | TAB | Complete identifier at point or indent | - | | (If geiser-mode-smart-tab-p is t) | - |-------------+--------------------------------------------------| - -** In the REPL - - |-------------+----------------------------------------------------| - | C-c C-z | Start Scheme REPL, or jump to previous buffer | - | C-c M-o | Clear scheme output | - | C-c C-q | Kill Scheme process | - | C-c C-l | Load scheme file | - | C-c C-k | Nuke REPL: use it if the REPL becomes unresponsive | - | | | - |-------------+----------------------------------------------------| - | M-. | Edit identifier at point | - | TAB, M-TAB | Complete identifier at point | - | M-`, C-. | Complete module name at point | - | M-p, M-n | Prompt history, matching current prefix | - | | | - |-------------+----------------------------------------------------| - | C-c C-m | Set current module | - | C-c C-i | Import module into current namespace | - | C-c C-r | Add a given directory to scheme's load path | - | | | - |-------------+----------------------------------------------------| - | C-c C-d C-d | See documentation for symbol at point | - | C-c C-d C-m | See documentation for module | - | C-c C-d C-a | Toggle autodoc mode | - |-------------+----------------------------------------------------| - -** In the documentation browser: - - |----------+----------------------------------------------| - | f | Next page | - | b | Previous page | - | | | - |----------+----------------------------------------------| - | TAB, n | Next link | - | S-TAB, p | Previous link | - | N | Next section | - | P | Previous section | - | | | - |----------+----------------------------------------------| - | k | Kill current page and go to previous or next | - | g, r | Refresh page | - | c | Clear browsing history | - | | | - |----------+----------------------------------------------| - | ., M-. | Edit identifier at point | - | z | Switch to REPL | - | | | - |----------+----------------------------------------------| - | q | Bury buffer | - |----------+----------------------------------------------| - -** In backtrace (evaluation/compile result) buffers: - - - =M-g n=, =M-g p=, =C-x `= for error navigation. - - =q= to bury buffer. |