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feat(emacs/lean-company): add auto-completion for option names

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This commit is contained in:
Soonho Kong 2014-09-29 11:09:49 -07:00
parent 51a0d154d1
commit f7ab2f7903
2 changed files with 47 additions and 10 deletions
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45
src/emacs/lean-company.el
View file

@ -15,6 +15,7 @@
(defun company-lean-hook ()
(set (make-local-variable 'company-backends) '(company-lean--import
company-lean--option-name
company-lean--findg
company-lean--findp))
(setq-local company-tooltip-limit 20) ; bigger popup window
@ -26,6 +27,7 @@
(defun company-lean--check-prefix ()
"Check whether to use company-lean or not"
(or (company-lean--import-prefix)
(company-lean--option-name-prefix)
(company-lean--findg-prefix)
(company-lean--findp-prefix)))
@ -55,7 +57,7 @@
(--zip-with (propertize it 'file-name other) candidates lean-files))))
(defun company-lean--import-prefix ()
"FINDG is triggered when it looks at '_'"
"Import auto-completion is triggered when it looks at 'import ...'"
(when (looking-back
(rx "import"
(* (+ white)
@ -95,6 +97,26 @@
(location (company-lean--import-location arg))
(sorted t)))
;; OPTION
;; ======
(defun company-lean--option-name-prefix ()
"Option auto-completion is triggered when it looks at 'set-option '"
(when (looking-back (rx "set_option" (+ white) (* (or alnum digit "." "_"))))
(company-grab-symbol)))
(defun company-lean--option-name-candidates (prefix)
(let ((candidates
(lean-get-options-sync-with-cont
(lambda (option-record-alist)
(-map 'car option-record-alist)))))
(--filter (s-starts-with? prefix it) candidates)))
(defun company-lean--option-name (command &optional arg &rest ignored)
(case command
(prefix (company-lean--option-name-prefix))
(candidates (company-lean--option-name-candidates arg))
(sorted t)))
;; FINDG
;; =====
@ -132,12 +154,21 @@
;; FINDP
;; -----
(defun company-lean--need-autocomplete ()
(not (looking-back
(rx (or "theorem" "definition" "lemma" "axiom" "parameter"
"variable" "hypothesis" "conjecture"
"corollary" "open")
(+ white)
(* (not white))))))
(interactive)
(cond ((looking-back
(rx (or "theorem" "definition" "lemma" "axiom" "parameter"
"variable" "hypothesis" "conjecture"
"corollary" "open")
(+ white)
(* (not white))))
nil)
((looking-back (rx "set_option"
(+ white)
(+ (or alnum digit "." "_"))
(+ white)
(* (or alnum digit "." "_"))))
nil)
(t t)))
(defun company-lean--findp-prefix ()
"Returns the symbol to complete. Also, if point is on a dot,

12
src/emacs/lean-option.el
View file

@ -57,7 +57,7 @@
(defun lean-set-option ()
"Set Lean option."
(interactive)
(lean-get-options-with-cont 'lean-set-option-cont))
(lean-get-options-async-with-cont 'lean-set-option-cont))
(defun lean-option-read-bool (prompt)
(completing-read prompt'(("true" 1) ("false" 2)) nil t "" nil "true"))
@ -166,16 +166,22 @@
`(,(lean-option-record-name option-record) . ,option-record)))
str-list)))
(defun lean-get-options-with-cont (cont)
(defun lean-get-options-async-with-cont (cont)
"Get Lean option and call continuation"
(lean-server-send-cmd-async (lean-cmd-options)
(lambda (option-record-alist)
(funcall cont option-record-alist))))
(defun lean-get-options-sync-with-cont (cont)
"Get Lean option and call continuation"
(lean-server-send-cmd-sync (lean-cmd-options)
(lambda (option-record-alist)
(funcall cont option-record-alist))))
(defun lean-get-options ()
"Get Lean option and call continuation"
(interactive)
(lean-get-options-with-cont
(lean-get-options-async-with-cont
(lambda (option-record-alist)
(message
(s-join "\n"