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lsp-bridge-call-hierarchy.el
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;;; lsp-bridge-call-hierarchy.el --- LSP bridge -*- lexical-binding: t -*-
(require 'acm-frame)
(defvar lsp-bridge-call-hierarchy-name-width 40
"Width of the call name column in the call hierarchy buffer.")
(defvar lsp-bridge-call-hierarchy-path-width 60
"Width of the path column in the call hierarchy buffer.")
(defvar lsp-bridge-call-hierarchy-call-max-height 30
"Maximum height of the call hierarchy buffer.")
(defvar lsp-bridge-call-hierarchy-preview-height 30
"Height of the preview window. (set 0 to disable preview)")
(defvar lsp-bridge-call-hierarchy--frame nil)
(defvar lsp-bridge-call-hierarchy--index 0)
(defvar lsp-bridge-call-hierarchy--overlay nil)
(defvar lsp-bridge-call-hierarchy--popup-response nil)
(defvar lsp-bridge-call-hierarchy--temp-buffers nil)
(defvar lsp-bridge-call-hierarchy--local-modelines nil)
(defun lsp-bridge-incoming-call-hierarchy ()
(interactive)
(lsp-bridge-call-file-api "prepare_call_hierarchy_incoming"
(lsp-bridge--position)))
(defun lsp-bridge-outgoing-call-hierarchy ()
(interactive)
(lsp-bridge-call-file-api "prepare_call_hierarchy_outgoing"
(lsp-bridge--position)))
(defun lsp-bridge-call-hierarchy-make-frame (buffer)
(let* ((height (+ lsp-bridge-call-hierarchy-preview-height
(min (length lsp-bridge-call-hierarchy--popup-response)
lsp-bridge-call-hierarchy-call-max-height)))
(width (+ 6 ;; length of spaces and icon
lsp-bridge-call-hierarchy-name-width
lsp-bridge-call-hierarchy-path-width)))
(acm-frame-create-frame-if-not-exist lsp-bridge-call-hierarchy--frame buffer
"call hierarchy" 0 nil)
(acm-frame-set-frame-size lsp-bridge-call-hierarchy--frame width height)
(acm-frame-set-frame-colors lsp-bridge-call-hierarchy--frame)
(acm-frame-set-frame-pos-center lsp-bridge-call-hierarchy--frame)))
(defun lsp-bridge-call-hierarchy-format-call-string (s l)
(if (> (length s) l)
(format "%s%s" (substring s 0 (- l (length "..."))) "...")
(concat s (make-string (- l (length s)) ?\s))))
(defun lsp-bridge-call-hierarchy-format-call (call)
(let ((name (plist-get call :name))
(path (plist-get call :rel_path))
(icon (cdr (assoc (plist-get call :icon) acm-icon-alist))))
(format "%s %s %s\n"
(if icon
(apply #' acm-icon-build icon)
" ")
(lsp-bridge-call-hierarchy-format-call-string name lsp-bridge-call-hierarchy-name-width)
(lsp-bridge-call-hierarchy-format-call-string path lsp-bridge-call-hierarchy-path-width))))
(defun lsp-bridge-call-hierarchy-maybe-preview ()
(when (> lsp-bridge-call-hierarchy-preview-height 0)
(other-window 1)
(lsp-bridge-call-hierarchy-show)
(recenter)
(if (and mode-line-format
(not (member (current-buffer) lsp-bridge-call-hierarchy--temp-buffers)))
(add-to-list 'lsp-bridge-call-hierarchy--local-modelines
(list (current-buffer) mode-line-format)))
(setq-local mode-line-format nil)
(other-window -1)))
(defun lsp-bridge-call-hierarchy--popup (response)
(interactive)
(setq lsp-bridge-call-hierarchy--popup-response response)
(lsp-bridge-call-hierarchy-make-frame (get-buffer-create "*lsp-bridge-call-hierarchy*"))
(with-current-buffer "*lsp-bridge-call-hierarchy*"
(dolist (call lsp-bridge-call-hierarchy--popup-response)
(insert (lsp-bridge-call-hierarchy-format-call call)))
(delete-backward-char 1))
(when (> lsp-bridge-call-hierarchy-preview-height 0)
(split-window (selected-window) nil 'down)
(other-window 1)
(set-window-text-height (selected-window) (1- lsp-bridge-call-hierarchy-preview-height))
(other-window -1))
(setq lsp-bridge-call-hierarchy--temp-buffers nil)
(setq lsp-bridge-call-hierarchy--index 0)
(lsp-bridge-call-hierarchy-maybe-preview)
(lsp-bridge-call-hierarchy-mode)
(with-current-buffer "*lsp-bridge-call-hierarchy*"
(setq-local cursor-type nil)
(setq-local truncate-lines t)
(setq-local mode-line-format nil)))
(defun lsp-bridge-call-hierarchy--move (next)
(when (and (>= (+ lsp-bridge-call-hierarchy--index next) 0)
(< (+ lsp-bridge-call-hierarchy--index next)
(length lsp-bridge-call-hierarchy--popup-response)))
(forward-line next)
(move-overlay lsp-bridge-call-hierarchy--overlay
(line-beginning-position) (1+ (line-end-position)))
(setq lsp-bridge-call-hierarchy--index
(+ next lsp-bridge-call-hierarchy--index))
(lsp-bridge-call-hierarchy-maybe-preview)
))
(defun lsp-bridge-call-hierarchy-next ()
(interactive)
(lsp-bridge-call-hierarchy--move 1))
(defun lsp-bridge-call-hierarchy-prev ()
(interactive)
(lsp-bridge-call-hierarchy--move -1))
(defun lsp-bridge-call-hierarchy-quit ()
(interactive)
(acm-frame-delete-frame lsp-bridge-call-hierarchy--frame)
(kill-buffer "*lsp-bridge-call-hierarchy*")
(dolist (buffer-modeline lsp-bridge-call-hierarchy--local-modelines)
(with-current-buffer (car buffer-modeline)
(setq-local mode-line-format (cdr buffer-modeline))))
(dolist (buffer lsp-bridge-call-hierarchy--temp-buffers)
(kill-buffer buffer)))
(defun lsp-bridge-call-hierarchy-show ()
(let* ((call (nth lsp-bridge-call-hierarchy--index lsp-bridge-call-hierarchy--popup-response))
(path (lsp-bridge-pick-file-path (plist-get call :path)))
(range-start (plist-get (plist-get call :range) :start))
(range-end (plist-get (plist-get call :range) :end))
(sline (plist-get range-start :line))
(scharacter (plist-get range-start :character))
(eline (plist-get range-end :line))
(echaracter (plist-get range-end :character))
(found-buffer))
(if (dolist (buffer (buffer-list) found-buffer)
(when (string-equal (buffer-file-name buffer) path)
(setq found-buffer buffer)))
(find-file path)
(add-to-list 'lsp-bridge-call-hierarchy--temp-buffers (find-file path)))
(goto-char (point-min))
(forward-line sline)
(goto-char (+ (point-at-bol) scharacter))
(if (equal sline eline)
(pulse-momentary-highlight-region (point)
(+ (point) (- echaracter scharacter)))
(pulse-momentary-highlight-region (point)
(save-excursion
(forward-line (- eline sline))
(goto-char (+ (point-at-bol) echaracter))
(point))))))
(defun lsp-bridge-call-hierarchy-select ()
(interactive)
(lsp-bridge-call-hierarchy-quit)
(lsp-bridge-call-hierarchy-show))
(defvar lsp-bridge-call-hierarchy-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "j") 'lsp-bridge-call-hierarchy-next)
(define-key map (kbd "k") 'lsp-bridge-call-hierarchy-prev)
(define-key map (kbd "C-n") 'lsp-bridge-call-hierarchy-next)
(define-key map (kbd "C-p") 'lsp-bridge-call-hierarchy-prev)
(define-key map (kbd "M-n") 'lsp-bridge-call-hierarchy-next)
(define-key map (kbd "M-p") 'lsp-bridge-call-hierarchy-prev)
(define-key map (kbd "m") 'lsp-bridge-call-hierarchy-select)
(define-key map (kbd "RET") 'lsp-bridge-call-hierarchy-select)
(define-key map (kbd "ESC") 'lsp-bridge-call-hierarchy-quit)
(define-key map (kbd "q") 'lsp-bridge-call-hierarchy-quit)
(define-key map (kbd "C-g") 'lsp-bridge-call-hierarchy-quit)
map))
(define-derived-mode lsp-bridge-call-hierarchy-mode text-mode "call hierarchy"
;; Kill all local variables.
(kill-all-local-variables)
;; Switch new mode.
(setq major-mode 'lsp-bridge-call-hierarchy-mode)
(setq mode-name "call hierarchy")
(goto-char (1+ (point-min)))
(setq lsp-bridge-call-hierarchy--overlay (make-overlay (line-beginning-position)
(1+ (line-end-position))))
;; :extend extend face after EOL
(set-face-attribute 'lsp-bridge-font-lock-flash (selected-frame) :extend t)
(overlay-put lsp-bridge-call-hierarchy--overlay 'face 'lsp-bridge-font-lock-flash)
(setq lsp-bridge-call-hierarchy--index 0)
;; Injection keymap.
(use-local-map lsp-bridge-call-hierarchy-mode-map)
(when (featurep 'evil)
(evil-set-initial-state 'lsp-bridge-call-hierarchy-mode 'emacs))
(read-only-mode 1))
(provide 'lsp-bridge-call-hierarchy)
;;; lsp-bridge-call-hierarchy.el ends here