-(defvar company-elisp-binding-regexp
- (concat "([ \t\n]*\\_<" (regexp-opt '("let" "defun" "defmacro" "defsubst"
- "lambda" "lexical-let"))
- "\\*?"))
-
-(defun company-elisp-parse-local (prefix vars)
- (let ((regexp (concat "[ \t\n]*\\(" (regexp-quote prefix)
- "\\(?:\\sw\\|\\s_\\)*\\_>\\)")))
- (ignore-errors
- (save-excursion
- (dotimes (i company-elisp-parse-depth)
- (up-list -1)
- (save-excursion
- (when (looking-at company-elisp-binding-regexp)
- (down-list 2)
- (ignore-errors
- (dotimes (i company-elisp-parse-limit)
- (save-excursion
- (when (looking-at "[ \t\n]*(")
- (down-list 1))
- (if (looking-at regexp)
- (add-to-list 'vars (match-string-no-properties 1))
- (error)))
- (forward-sexp))))))))
- vars))
+(defvar company-elisp-defun-names '("defun" "defmacro" "defsubst"))
+
+(defvar company-elisp-var-binding-regexp
+ (apply #'company-elisp--fns-regexp "let" "lambda" "lexical-let"
+ company-elisp-defun-names)
+ "Regular expression matching head of a multiple variable bindings form.")
+
+(defvar company-elisp-var-binding-regexp-1
+ (company-elisp--fns-regexp "dolist" "dotimes")
+ "Regular expression matching head of a form with one variable binding.")
+
+(defvar company-elisp-fun-binding-regexp
+ (company-elisp--fns-regexp "flet" "labels")
+ "Regular expression matching head of a function bindings form.")
+
+(defvar company-elisp-defuns-regexp
+ (concat "([ \t\n]*"
+ (apply #'company-elisp--fns-regexp company-elisp-defun-names)))
+
+(defun company-elisp--should-complete ()
+ (let ((start (point))
+ (depth (car (syntax-ppss))))
+ (not
+ (when (> depth 0)
+ (save-excursion
+ (up-list (- depth))
+ (when (looking-at company-elisp-defuns-regexp)
+ (forward-char)
+ (forward-sexp 1)
+ (unless (= (point) start)
+ (condition-case nil
+ (let ((args-end (scan-sexps (point) 2)))
+ (or (null args-end)
+ (> args-end start)))
+ (scan-error
+ t)))))))))
+
+(defun company-elisp--locals (prefix functions-p)
+ (let ((regexp (concat "[ \t\n]*\\(\\_<" (regexp-quote prefix)
+ "\\(?:\\sw\\|\\s_\\)*\\_>\\)"))
+ (pos (point))
+ res)
+ (condition-case nil
+ (save-excursion
+ (dotimes (_ company-elisp-parse-depth)
+ (up-list -1)
+ (save-excursion
+ (when (eq (char-after) ?\()
+ (forward-char 1)
+ (when (ignore-errors
+ (save-excursion (forward-list)
+ (<= (point) pos)))
+ (skip-chars-forward " \t\n")
+ (cond
+ ((looking-at (if functions-p
+ company-elisp-fun-binding-regexp
+ company-elisp-var-binding-regexp))
+ (down-list 1)
+ (condition-case nil
+ (dotimes (_ company-elisp-parse-limit)
+ (save-excursion
+ (when (looking-at "[ \t\n]*(")
+ (down-list 1))
+ (when (looking-at regexp)
+ (cl-pushnew (match-string-no-properties 1) res)))
+ (forward-sexp))
+ (scan-error nil)))
+ ((unless functions-p
+ (looking-at company-elisp-var-binding-regexp-1))
+ (down-list 1)
+ (when (looking-at regexp)
+ (cl-pushnew (match-string-no-properties 1) res)))))))))
+ (scan-error nil))
+ res))