doomemacs/modules/feature/eval/init.el

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;;; feature/eval/init.el -*- lexical-binding: t; -*-
;;
;; REPLs
;;
(defvar +eval-repls nil
"An alist mapping major modes to plists that describe REPLs. Used by
`+eval/open-repl' and filled with the `:repl' setting.")
(def-setting! :repl (mode command)
"Define a REPL for a mode. MODE is a major mode symbol and COMMAND is a
function that creates and returns the REPL buffer."
`(push (cons ,mode ,command) +eval-repls))
;;
;; Evaluation
;;
(defvar +eval-runners nil
"Alist mapping major modes to interactive runner functions.")
(def-setting! :eval (mode command)
"Define a code evaluator for major mode MODE with `quickrun'.
1. If MODE is a string and COMMAND is the string, MODE is a file regexp and
COMMAND is a string key for an entry in `quickrun-file-alist'.
2. If MODE is not a string and COMMAND is a string, MODE is a major-mode symbol
and COMMAND is a key (for `quickrun--language-alist'), and will be registered
in `quickrun--major-mode-alist'.
3. If MODE is not a string and COMMAND is an alist, see `quickrun-add-command':
(quickrun-add-command MODE COMMAND :mode MODE).
4. If MODE is not a string and COMMANd is a symbol, add it to
`+eval-runners', which is used by `+eval/region'."
(let ((command (doom-unquote command)))
(cond ((symbolp command)
`(push (cons ,mode ',command) +eval-runners))
((stringp command)
`(after! quickrun
(push (cons ,mode ',command)
,(if (stringp mode)
'quickrun-file-alist
'quickrun--major-mode-alist))))
((listp command)
`(after! quickrun
(quickrun-add-command
,(symbol-name (doom-unquote mode))
',command :mode ,mode))))))