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Mateus Pinto Rodrigues
2018-07-02 13:15:01 -03:00
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;; geiser-mode.el -- minor mode for scheme buffers
;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Jose Antonio Ortega Ruiz
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the Modified BSD License. You should
;; have received a copy of the license along with this program. If
;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
;; Start date: Sun Feb 08, 2009 15:13
(require 'geiser-repl)
(require 'geiser-menu)
(require 'geiser-doc)
(require 'geiser-compile)
(require 'geiser-completion)
(require 'geiser-company)
(require 'geiser-xref)
(require 'geiser-edit)
(require 'geiser-autodoc)
(require 'geiser-debug)
(require 'geiser-syntax)
(require 'geiser-impl)
(require 'geiser-eval)
(require 'geiser-popup)
(require 'geiser-custom)
(require 'geiser-base)
;;; Customization:
(defgroup geiser-mode nil
"Mode enabling Geiser abilities in Scheme buffers &co.."
:group 'geiser)
(geiser-custom--defcustom geiser-mode-auto-p t
"Whether `geiser-mode' should be active by default in all scheme buffers."
:group 'geiser-mode
:type 'boolean)
(geiser-custom--defcustom geiser-mode-start-repl-p nil
"Whether a REPL should be automatically started if one is not
active when `geiser-mode' is activated in a buffer."
:group 'geiser-mode
:type 'boolean)
(geiser-custom--defcustom geiser-mode-autodoc-p t
"Whether `geiser-autodoc-mode' gets enabled by default in Scheme buffers."
:group 'geiser-mode
:group 'geiser-autodoc
:type 'boolean)
(geiser-custom--defcustom geiser-mode-company-p t
"Whether to use company-mode for completion, if available."
:group 'geiser-mode
:type 'boolean)
(geiser-custom--defcustom geiser-mode-smart-tab-p nil
"Whether `geiser-smart-tab-mode' gets enabled by default in Scheme buffers."
:group 'geiser-mode
:type 'boolean)
(geiser-custom--defcustom geiser-mode-eval-last-sexp-to-buffer nil
"Whether `eval-last-sexp' prints results to buffer"
:group 'geiser-mode
:type 'boolean)
(geiser-custom--defcustom geiser-mode-eval-to-buffer-prefix " "
"When `geiser-mode-eval-last-sexp-to-buffer', the prefix string
which will be prepended to results."
:group 'geiser-mode
:type 'string)
(geiser-custom--defcustom geiser-mode-eval-to-buffer-transformer nil
"Transformer for results inserted in debug buffer.
When `geiser-mode-eval-last-sexp-to-buffer', the result will be
transformed using this function default behavior is just prepend
with `geiser-mode-eval-to-buffer-prefix' takes two arguments:
`msg' and `is-error?' `msg' is the result string going to be
transformed, `is-error?' is a boolean indicating whether the
result is an error msg."
:group 'geiser-mode
:type 'function)
;;; Evaluation commands:
(defun geiser--go-to-repl ()
(switch-to-geiser nil nil (current-buffer))
(push-mark)
(goto-char (point-max)))
(defun geiser-eval-region (start end &optional and-go raw nomsg)
"Eval the current region in the Geiser REPL.
With prefix, goes to the REPL buffer afterwards (as
`geiser-eval-region-and-go')"
(interactive "rP")
(save-restriction
(narrow-to-region start end)
(check-parens))
(geiser-debug--send-region nil
start
end
(and and-go 'geiser--go-to-repl)
(not raw)
nomsg))
(defun geiser-eval-region-and-go (start end)
"Eval the current region in the Geiser REPL and visit it afterwads."
(interactive "r")
(geiser-eval-region start end t))
(geiser-impl--define-caller geiser-eval--bounds eval-bounds ()
"A pair with the bounds of a buffer to be evaluated, defaulting
to (cons (point-min) . (point-max)).")
(defun geiser-eval-buffer (&optional and-go raw nomsg)
"Eval the current buffer in the Geiser REPL.
With prefix, goes to the REPL buffer afterwards (as
`geiser-eval-buffer-and-go')"
(interactive "P")
(let* ((bounds (geiser-eval--bounds geiser-impl--implementation))
(from (or (car bounds) (point-min)))
(to (or (cdr bounds) (point-max))))
(geiser-eval-region from to and-go raw nomsg)))
(defun geiser-eval-buffer-and-go ()
"Eval the current buffer in the Geiser REPL and visit it afterwads."
(interactive)
(geiser-eval-buffer t))
(defun geiser-eval-definition (&optional and-go)
"Eval the current definition in the Geiser REPL.
With prefix, goes to the REPL buffer afterwards (as
`geiser-eval-definition-and-go')"
(interactive "P")
(save-excursion
(end-of-defun)
(let ((end (point)))
(beginning-of-defun)
(geiser-eval-region (point) end and-go t))))
(defun geiser-eval-definition-and-go ()
"Eval the current definition in the Geiser REPL and visit it afterwads."
(interactive)
(geiser-eval-definition t))
(defun geiser-eval-last-sexp (print-to-buffer-p)
"Eval the previous sexp in the Geiser REPL.
With a prefix, revert the effect of `geiser-mode-eval-last-sexp-to-buffer' "
(interactive "P")
(let* (bosexp
(eosexp (save-excursion (backward-sexp)
(setq bosexp (point))
(forward-sexp)
(point)))
(ret-transformer (or geiser-mode-eval-to-buffer-transformer
(lambda (msg is-error?)
(format "%s%s%s"
geiser-mode-eval-to-buffer-prefix
(if is-error? "ERROR" "")
msg))))
(ret (save-excursion
(geiser-eval-region bosexp ;beginning of sexp
eosexp ;end of sexp
nil
t
print-to-buffer-p)))
(err (geiser-eval--retort-error ret))
(will-eval-to-buffer (if print-to-buffer-p
(not geiser-mode-eval-last-sexp-to-buffer)
geiser-mode-eval-last-sexp-to-buffer))
(str (geiser-eval--retort-result-str ret
(when will-eval-to-buffer ""))))
(cond ((not will-eval-to-buffer) str)
(err (insert (funcall ret-transformer
(geiser-eval--error-str err) t)))
((string= "" str))
(t (push-mark)
(insert (funcall ret-transformer str nil))))))
(defun geiser-compile-definition (&optional and-go)
"Compile the current definition in the Geiser REPL.
With prefix, goes to the REPL buffer afterwards (as
`geiser-eval-definition-and-go')"
(interactive "P")
(save-excursion
(end-of-defun)
(let ((end (point)))
(beginning-of-defun)
(geiser-debug--send-region t
(point)
end
(and and-go 'geiser--go-to-repl)
t))))
(defun geiser-compile-definition-and-go ()
"Compile the current definition in the Geiser REPL and visit it afterwads."
(interactive)
(geiser-compile-definition t))
(defun geiser-expand-region (start end &optional all raw)
"Macro-expand the current region and display it in a buffer.
With prefix, recursively macro-expand the resulting expression."
(interactive "rP")
(geiser-debug--expand-region start end all (not raw)))
(defun geiser-expand-definition (&optional all)
"Macro-expand the current definition.
With prefix, recursively macro-expand the resulting expression."
(interactive "P")
(save-excursion
(end-of-defun)
(let ((end (point)))
(beginning-of-defun)
(geiser-expand-region (point) end all t))))
(defun geiser-expand-last-sexp (&optional all)
"Macro-expand the previous sexp.
With prefix, recursively macro-expand the resulting expression."
(interactive "P")
(geiser-expand-region (save-excursion (backward-sexp) (point))
(point)
all
t))
(defun geiser-set-scheme ()
"Associates current buffer with a given Scheme implementation."
(interactive)
(save-excursion
(geiser-syntax--remove-kws)
(let ((impl (geiser-impl--read-impl)))
(geiser-impl--set-buffer-implementation impl)
(geiser-repl--set-up-repl impl)
(geiser-syntax--add-kws)
(geiser-syntax--fontify))))
(defun geiser-mode-switch-to-repl (arg)
"Switches to Geiser REPL.
With prefix, try to enter the current buffer's module."
(interactive "P")
(if arg
(switch-to-geiser-module (geiser-eval--get-module) (current-buffer))
(switch-to-geiser nil nil (current-buffer))))
(defun geiser-mode-switch-to-repl-and-enter ()
"Switches to Geiser REPL and enters current buffer's module."
(interactive)
(geiser-mode-switch-to-repl t))
(defun geiser-restart-repl ()
"Restarts the REPL associated with the current buffer."
(interactive)
(let ((b (current-buffer)))
(geiser-mode-switch-to-repl nil)
(comint-kill-subjob)
(sit-for 0.1) ;; ugly hack; but i don't care enough to fix it
(call-interactively 'run-geiser)
(sit-for 0.2) ;; ditto
(goto-char (point-max))
(pop-to-buffer b)))
(defun geiser-squarify (n)
"Toggle between () and [] for current form.
With numeric prefix, perform that many toggles, forward for
positive values and backward for negative."
(interactive "p")
(let ((pared (and (boundp 'paredit-mode) paredit-mode))
(fwd (> n 0))
(steps (abs n)))
(when (and pared (fboundp 'paredit-mode)) (paredit-mode -1))
(unwind-protect
(save-excursion
(unless (looking-at-p "\\s(") (backward-up-list))
(while (> steps 0)
(let ((p (point))
(round (looking-at-p "(")))
(forward-sexp)
(backward-delete-char 1)
(insert (if round "]" ")"))
(goto-char p)
(delete-char 1)
(insert (if round "[" "("))
(setq steps (1- steps))
(backward-char)
(condition-case nil
(progn (when fwd (forward-sexp 2))
(backward-sexp))
(error (setq steps 0))))))
(when (and pared (fboundp 'paredit-mode)) (paredit-mode 1)))))
(defun geiser-insert-lambda (&optional full)
"Insert λ at point. With prefix, inserts (λ ())."
(interactive "P")
(if (not full)
(insert (make-char 'greek-iso8859-7 107))
(insert "(" (make-char 'greek-iso8859-7 107) " ())")
(backward-char 2)))
;;; Geiser mode:
(make-variable-buffer-local
(defvar geiser-mode-string nil
"Modeline indicator for geiser-mode"))
(defun geiser-mode--lighter ()
(or geiser-mode-string
(format " %s" (or (geiser-impl--impl-str) "G"))))
(defvar geiser-mode-map (make-sparse-keymap))
(define-minor-mode geiser-mode
"Toggle Geiser's mode.
With no argument, this command toggles the mode.
Non-null prefix argument turns on the mode.
Null prefix argument turns off the mode.
When Geiser mode is enabled, a host of nice utilities for
interacting with the Geiser REPL is at your disposal.
\\{geiser-mode-map}"
:init-value nil
:lighter (:eval (geiser-mode--lighter))
:group 'geiser-mode
:keymap geiser-mode-map
(when geiser-mode (geiser-impl--set-buffer-implementation nil t))
(setq geiser-autodoc-mode-string "/A")
(setq geiser-smart-tab-mode-string "/T")
(geiser-company--setup (and geiser-mode geiser-mode-company-p))
(geiser-completion--setup geiser-mode)
(when geiser-mode-autodoc-p
(geiser-autodoc-mode (if geiser-mode 1 -1)))
(when geiser-mode-smart-tab-p
(geiser-smart-tab-mode (if geiser-mode 1 -1)))
(geiser-syntax--add-kws)
(when (and geiser-mode
geiser-mode-start-repl-p
(not (geiser-syntax--font-lock-buffer-p))
(not (geiser-repl--connection*)))
(save-window-excursion (run-geiser geiser-impl--implementation))))
(defun turn-on-geiser-mode ()
"Enable `geiser-mode' (in a Scheme buffer)."
(interactive)
(geiser-mode 1))
(defun turn-off-geiser-mode ()
"Disable `geiser-mode' (in a Scheme buffer)."
(interactive)
(geiser-mode -1))
(defun geiser-mode--maybe-activate ()
(when (and geiser-mode-auto-p (eq major-mode 'scheme-mode))
(turn-on-geiser-mode)))
;;; Keys:
(geiser-menu--defmenu geiserm geiser-mode-map
("Eval sexp before point" "\C-x\C-e" geiser-eval-last-sexp)
("Eval definition" ("\M-\C-x" "\C-c\C-c") geiser-eval-definition)
("Eval definition and go" ("\C-c\M-e" "\C-c\M-e")
geiser-eval-definition-and-go)
("Eval region" "\C-c\C-r" geiser-eval-region :enable mark-active)
("Eval region and go" "\C-c\M-r" geiser-eval-region-and-go
geiser-eval-region :enable mark-active)
("Eval buffer" "\C-c\C-b" geiser-eval-buffer)
("Eval buffer and go" "\C-c\M-b" geiser-eval-buffer-and-go)
("Load scheme file..." "\C-c\C-l" geiser-load-file)
(menu "Macroexpand"
("Sexp before point" ("\C-c\C-m\C-e" "\C-c\C-me")
geiser-expand-last-sexp)
("Region" ("\C-c\C-m\C-r" "\C-c\C-mr") geiser-expand-region)
("Definition" ("\C-c\C-m\C-x" "\C-c\C-mx") geiser-expand-definition))
--
("Symbol documentation" ("\C-c\C-d\C-d" "\C-c\C-dd")
geiser-doc-symbol-at-point :enable (geiser--symbol-at-point))
("Short symbol documentation" ("\C-c\C-d\C-s" "\C-c\C-ds")
geiser-autodoc-show :enable (geiser--symbol-at-point))
("Module documentation" ("\C-c\C-d\C-m" "\C-c\C-dm") geiser-doc-module)
("Symbol manual lookup" ("\C-c\C-d\C-i" "\C-c\C-di")
geiser-doc-look-up-manual :enable (geiser-doc--manual-available-p))
(mode "Autodoc mode" ("\C-c\C-d\C-a" "\C-c\C-da") geiser-autodoc-mode)
--
("Compile buffer" "\C-c\C-k" geiser-compile-current-buffer)
("Switch to REPL" "\C-c\C-z" geiser-mode-switch-to-repl)
("Switch to REPL and enter module" "\C-c\C-a"
geiser-mode-switch-to-repl-and-enter)
("Set Scheme..." "\C-c\C-s" geiser-set-scheme)
--
("Edit symbol at point" "\M-." geiser-edit-symbol-at-point
:enable (geiser--symbol-at-point))
("Go to previous definition" "\M-," geiser-pop-symbol-stack)
("Complete symbol" ((kbd "M-TAB")) completion-at-point
:enable (geiser--symbol-at-point))
("Complete module name" ((kbd "M-`") (kbd "C-."))
geiser-completion--complete-module)
("Edit module" ("\C-c\C-e\C-m" "\C-c\C-em") geiser-edit-module)
("Add to load path..." ("\C-c\C-e\C-l" "\C-c\C-el") geiser-add-to-load-path)
("Toggle ()/[]" ("\C-c\C-e\C-[" "\C-c\C-e[") geiser-squarify)
("Insert λ" ("\C-c\\" "\C-c\C-\\") geiser-insert-lambda)
--
("Callers" ((kbd "C-c <")) geiser-xref-callers
:enable (and (geiser-eval--supported-p 'callers)
(geiser--symbol-at-point)))
("Callees" ((kbd "C-c >")) geiser-xref-callees
:enable (and (geiser-eval--supported-p 'callees)
(geiser--symbol-at-point)))
--
(mode "Smart TAB mode" nil geiser-smart-tab-mode)
--
(custom "Customize Geiser mode" geiser-mode))
(define-key geiser-mode-map [menu-bar scheme] 'undefined)
;; (geiser-mode--triple-chord ?x ?m 'geiser-xref-generic-methods)
;;; Reload support:
(defun geiser-mode--buffers ()
(let ((buffers))
(dolist (buffer (buffer-list))
(when (buffer-live-p buffer)
(set-buffer buffer)
(when geiser-mode
(push (cons buffer geiser-impl--implementation) buffers))))
buffers))
(defun geiser-mode--restore (buffers)
(dolist (b buffers)
(when (buffer-live-p (car b))
(set-buffer (car b))
(when (cdr b)
(geiser-impl--set-buffer-implementation (cdr b)))
(geiser-mode 1))))
(defun geiser-mode-unload-function ()
(dolist (b (geiser-mode--buffers))
(with-current-buffer (car b) (geiser-mode nil))))
(provide 'geiser-mode)