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dap-ui.el
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;;; dap-ui.el --- Debug Adapter Protocol UI -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Ivan Yonchovski
;; Author: Ivan Yonchovski <[email protected]>
;; Keywords: languages, debug
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;; URL: https://github.com/yyoncho/dap-mode
;; Package-Requires: ((emacs "25.1") (tree-mode "1.1.1.1") (bui "1.1.0"))
;; Version: 0.2
;;; Commentary:
;; DAP Windows/overlays
;;; Code:
(require 'lsp-lens)
(require 'dap-mode)
(require 'wid-edit)
(require 'dash)
(require 'bui)
(require 'comint)
(require 'compile)
(require 'gdb-mi)
(require 'lsp-treemacs)
(require 'posframe)
(defvar posframe-mouse-banish)
(defcustom dap-ui-breakpoints-ui-list-displayed-hook nil
"List of functions to run when breakpoints list is displayed."
:type 'hook
:group 'dap-ui)
(defcustom dap-ui-locals-expand-depth 1
"Locals expand strategy.
When nil - do not expand.
t - expand recursively
number - expand N levels."
:type '(choice (const :tag "Do not expand" nil)
(const :tag "Expand recursively" t)
(number :tag "Expand level"))
:group 'dap-ui)
(define-obsolete-variable-alias
'dap-ui-expressiosn-expand-depth 'dap-ui-expressions-expand-depth
"dap-mode 0.2.0"
"This variable is obsolete because it is misspelled.")
(defcustom dap-ui-expressions-expand-depth nil
"Expressions expand strategy.
When nil - do not expand.
t - expand recursively
number - expand N levels."
:type '(choice (const :tag "Do not expand" nil)
(const :tag "Expand recursively" t)
(number :tag "Expand level"))
:group 'dap-ui)
(defface dap-ui-compile-errline
'((t (:inherit compilation-error)))
"Face used for marking the line on which an error occurs."
:group 'dap-ui)
(defface dap-ui-sessions-active-session-face
'((t :weight bold))
"Face used for marking current session in sessions list."
:group 'dap-ui)
(defface dap-ui-sessions-terminated-face
'((t :inherit shadow))
"Face used for marking terminated session."
:group 'dap-ui)
(defface dap-ui-sessions-terminated-active-face
'((t :inherit shadow :weight bold))
"Face used for marking terminated session."
:group 'dap-ui)
(defface dap-ui-sessions-running-face
'((t))
"Face used for marking terminated session."
:group 'dap-ui)
(defface dap-ui-locals-scope-face
'((t :inherit font-lock-function-name-face :weight bold :underline t))
"Face used for scopes in locals view."
:group 'dap-ui)
(defface dap-ui-locals-variable-leaf-face
'((t :inherit font-lock-builtin-face :italic t))
"Face used for variables that does not have nested items."
:group 'dap-ui)
(defface dap-ui-locals-variable-face
'((t :inherit font-lock-builtin-face :weight bold))
"Face used for marking terminated session."
:group 'dap-ui)
(defface dap-ui-sessions-thread-face
'((t))
"Face used for threads in sessions view."
:group 'dap-ui)
(defface dap-ui-sessions-thread-active-face
'((t :weight bold))
"Face used for threads in sessions view."
:group 'dap-ui)
(defface dap-ui-sessions-stack-frame-face
'((t :inherit font-lock-builtin-face))
"Face used for threads in sessions view."
:group 'dap-ui)
(defface dap-ui-pending-breakpoint-face
'((t ()))
"Face used for marking lines with a pending breakpoints."
:group 'dap-ui)
(defface dap-ui-verified-breakpoint-face
'((t ()))
"Face used for marking lines with a verified breakpoints."
:group 'dap-ui)
(defface dap-ui-marker-face
'((t :inherit highlight))
"Face used for marking the current point of execution."
:group 'dap-ui)
(defface dap-ui-compile-errline
'((t (:inherit compilation-error)))
"Face used for marking the line on which an error occurs."
:group 'dap-ui)
(defface dap-ui-breakpoint-verified-fringe
'((t
:foreground "dark green"
:weight bold))
"Face for enabled breakpoint icon in fringe."
:group 'dap-ui)
(defface dap-ui-controls-fringe
'((t :inherit fringe))
"Face used for the background of debugger icons in fringe."
:group 'dap-ui)
(defcustom dap-ui-default-fetch-count 100
"Default number of variables to load in inspect variables view for
array variables."
:group 'dap-ui
:type 'number)
(defconst dap-ui--locals-buffer "*dap-ui-locals*")
(defconst dap-ui--sessions-buffer "*dap-ui-sessions*")
(defconst dap-ui--debug-window-buffer "*debug-window*")
(defconst dap-ui--expressions-buffer "*dap-ui-expressions*")
(defconst dap-ui--breakpoints-buffer "*dap-ui-breakpoints*")
(defconst dap-ui--repl-buffer "*dap-ui-repl*")
(defvar dap-ui-buffer-configurations
`((,dap-ui--locals-buffer . ((side . right) (slot . 1) (window-width . 0.20)))
(,dap-ui--expressions-buffer . ((side . right) (slot . 2) (window-width . 0.20)))
(,dap-ui--sessions-buffer . ((side . right) (slot . 3) (window-width . 0.20)))
(,dap-ui--breakpoints-buffer . ((side . left) (slot . 2) (window-width . ,treemacs-width)))
(,dap-ui--debug-window-buffer . ((side . bottom) (slot . 3) (window-width . 0.20)))
(,dap-ui--repl-buffer . ((side . bottom) (slot . 1) (window-height . 0.45)))))
(defun dap-ui-session--calculate-face (debug-session)
"Calculate the face of DEBUG-SESSION based on its state."
(cond
((and (eq debug-session (dap--cur-session))
(not (dap--session-running debug-session))) 'dap-ui-sessions-terminated-active-face)
((eq debug-session (dap--cur-session)) 'dap-ui-sessions-active-session-face)
((not (dap--session-running debug-session)) 'dap-ui-sessions-terminated-face)
(t 'dap-ui-sessions-running-face)))
(defun dap-ui--make-overlay (beg end visuals &optional mouse-face buf)
"Allocate a DAP UI overlay in range BEG and END.
TOOLTIP-TEXT, VISUALS, MOUSE-FACE will be used for the overlay.
BUF is the active buffer."
(let ((ov (make-overlay beg end buf t t)))
(overlay-put ov 'face (plist-get visuals :face))
(overlay-put ov 'mouse-face mouse-face)
(overlay-put ov 'dap-ui-overlay t)
(overlay-put ov 'priority (plist-get visuals :priority))
(let ((char (plist-get visuals :char)))
(if (window-system)
(when char
(overlay-put ov 'before-string
(propertize char
'display
(list 'left-fringe
(plist-get visuals :bitmap)
(plist-get visuals :fringe)))))))
ov))
(defun dap-ui--make-overlay-at (file point visuals)
"Create an overlay highlighting the given POINT in FILE.
VISUALS and MSG will be used for the overlay."
(-when-let (buf (find-buffer-visiting file))
(with-current-buffer buf
;; If point is provided, use it to define region
(when (integer-or-marker-p point)
(save-excursion
(goto-char point)
(dap-ui--make-overlay (point-at-bol) (point-at-eol) visuals nil buf))))))
(defvar-local dap-ui--breakpoint-overlays nil)
(defvar-local dap-ui--cursor-overlay nil)
(defun dap-ui--clear-breakpoint-overlays ()
"Remove all overlays that ensime-debug has created."
(mapc #'delete-overlay (-filter #'identity dap-ui--breakpoint-overlays))
(setq dap-ui--breakpoint-overlays '()))
(defun dap-ui--breakpoint-visuals (breakpoint breakpoint-dap)
"Calculate visuals for a BREAKPOINT based on the data comming from DAP server.
BREAKPOINT-DAP - nil or the data comming from DAP."
(list :face (if (and breakpoint-dap (gethash "verified" breakpoint-dap))
'dap-ui-verified-breakpoint-face
'dap-ui-pending-breakpoint-face)
:char "."
:bitmap (cond
((plist-get breakpoint :condition) 'filled-rectangle)
((plist-get breakpoint :log-message) 'right-arrow)
((plist-get breakpoint :hit-condition) 'hollow-rectangle)
(t 'breakpoint))
:fringe (if (and breakpoint-dap (gethash "verified" breakpoint-dap))
'dap-ui-breakpoint-verified-fringe
'breakpoint-disabled)
:priority 1))
(defun dap-ui--refresh-breakpoints ()
"Refresh breakpoints in FILE-NAME.
DEBUG-SESSION the new breakpoints for FILE-NAME."
(dap-ui--clear-breakpoint-overlays)
(-map (-lambda ((bp . remote-bp))
(push (dap-ui--make-overlay-at buffer-file-name
(dap-breakpoint-get-point bp)
(dap-ui--breakpoint-visuals bp remote-bp))
dap-ui--breakpoint-overlays))
(-zip-fill
nil
(gethash buffer-file-name (dap--get-breakpoints))
(-some->> (dap--cur-session) dap--debug-session-breakpoints (gethash buffer-file-name))))
(save-mark-and-excursion
(dap-ui--stack-frame-changed (dap--cur-session))))
(defun dap-ui--clear-marker-overlay (&rest _rest)
"Clear marker overlay for DEBUG-SESSION."
(--map
(with-current-buffer it
(when dap-ui--cursor-overlay
(delete-overlay dap-ui--cursor-overlay)
(setq-local dap-ui--cursor-overlay nil)))
(dap--buffer-list)))
(defun dap-ui--set-debug-marker (file point)
"Set debug marker for DEBUG-SESSION in FILE at POINT."
(dap-ui--clear-marker-overlay)
(setq-local dap-ui--cursor-overlay
(dap-ui--make-overlay-at
file point
(list :face 'dap-ui-marker-face
:char ">"
:bitmap 'right-triangle
:fringe 'dap-ui-compile-errline
:priority 2))))
(defun dap-ui--stack-frame-changed (debug-session)
"Handler for `dap-stack-frame-changed-hook'.
DEBUG-SESSION is the debug session triggering the event."
(when debug-session
(-if-let* (((stack-frame &as &hash "source" "line" "column")
(dap--debug-session-active-frame debug-session))
(path (dap--get-path-for-frame debug-session stack-frame))
(buffer (find-buffer-visiting path)))
(with-current-buffer buffer
(goto-char (point-min))
(forward-line (1- line))
(forward-char column)
(dap-ui--set-debug-marker path (point)))
(dap-ui--clear-marker-overlay))))
(defun dap-ui--after-open ()
"Handler for `lsp-after-open-hook'."
(dap-ui--refresh-breakpoints)
(-when-let* ((debug-session (dap--cur-session))
(path (-some->> debug-session
dap--debug-session-active-frame
(gethash "source")
(gethash "path"))))
(when (string= buffer-file-name path)
(dap-ui--stack-frame-changed debug-session))))
(defvar dap-ui-menu-items
`("Debug"
:visible (bound-and-true-p dap-ui-mode)
["Start" dap-debug]
["Create Debug Template" dap-debug-edit-template]
["Debug last session" dap-debug-last]
("Recent Sessions"
:filter ,(lambda (_)
(-map (-lambda ((name . debug-args))
(vector name (lambda ()
(interactive)
(dap-debug debug-args))))
dap--debug-configuration))
:active dap--debug-configuration)
"--"
["Sessions" dap-ui-sessions]
["Locals" dap-ui-locals]
["Expressions" dap-ui-expressions]
["Sources" dapui-loaded-sources]
["Output" dap-go-to-output-buffer]
["Breakpoints" dap-ui-breakpoints]
"---"
["Toggle Controls" dap-ui-controls-mode]
["Toggle Mouse Hover" dap-tooltip-mode]))
(defvar dap-ui-mode-map
(let ((map (make-sparse-keymap)))
(easy-menu-define dap-ui-mode-menu map
"Menu for DAP"
dap-ui-menu-items)
map)
"Keymap for DAP mode.")
;;;###autoload
(define-minor-mode dap-ui-mode
"Displaying DAP visuals."
:init-value nil
:global t
:keymap dap-ui-mode-map
:group 'dap-ui
:require 'dap-ui
(cond
(dap-ui-mode
(add-hook 'dap-breakpoints-changed-hook 'dap-ui--refresh-breakpoints)
(add-hook 'dap-continue-hook 'dap-ui--clear-marker-overlay)
(add-hook 'dap-stack-frame-changed-hook 'dap-ui--stack-frame-changed)
(add-hook 'lsp-after-open-hook 'dap-ui--after-open))
(t
(remove-hook 'dap-breakpoints-changed-hook 'dap-ui--refresh-breakpoints)
(remove-hook 'dap-continue-hook 'dap-ui--clear-marker-overlay)
(remove-hook 'dap-stack-frame-changed-hook 'dap-ui--stack-frame-changed)
(remove-hook 'lsp-after-open-hook 'dap-ui--after-open))))
(defun dap-ui--show-buffer (buf)
"Show BUF according to defined rules."
(when-let (win (display-buffer-in-side-window buf
(or (-> buf
buffer-name
(assoc dap-ui-buffer-configurations)
cl-rest)
'((side . right)
(slot . 1)
(window-width . 0.20)))))
(set-window-dedicated-p win t)
(select-window win)))
;; breakpoints
(defun dap-ui--breakpoints-entries ()
"Get breakpoints entries."
(let ((id 0)
result)
(apply 'append
(maphash
(lambda (file-name breakpoints)
(let ((session-breakpoints (-some->> (dap--cur-session)
dap--debug-session-breakpoints
(gethash file-name))))
(with-temp-buffer
(insert-file-contents file-name)
(mapc
(-lambda (((&plist :point :condition :hit-condition :log-message) . remote-bp))
(push `((id ,(setq id (1+ id)))
(file-name . (,file-name ,point))
(line . ,(line-number-at-pos point))
(verified . ,(if (and remote-bp (gethash "verified" remote-bp))
"y"
"n"))
(hit-condition . ,hit-condition)
(log-message . ,log-message)
(condition . ,condition))
result))
(-zip-fill nil breakpoints session-breakpoints)))))
(dap--get-breakpoints)))
(or result (vector))))
(define-button-type 'dap-ui-breakpoint-position
:supertype 'bui
'face 'bui-file-name
'help-echo "Go to breakpoint"
'action (lambda (btn)
(find-file (button-get btn 'file))
(goto-char (button-get btn 'point))))
(defun dap-ui--get-file-info (file-data &optional _)
"Used to render FILE-DATA in breakpoints' list."
(list (f-filename (cl-first file-data))
:type 'dap-ui-breakpoint-position
'file (cl-first file-data)
'point (cl-second file-data)))
(bui-define-interface dap-ui-breakpoints-ui list
:buffer-name "*Breakpoints*"
:get-entries-function 'dap-ui--breakpoints-entries
:format '((file-name dap-ui--get-file-info 30 t)
(line nil 8 bui-list-sort-numerically-2)
(verified nil 8 t)
(condition nil 25 t)
(hit-condition nil 20 t)
(log-message nil 15 t))
:sort-key '(file-name))
(defun dap-ui-breakpoints-goto ()
"Go to breakpoint under cursor."
(interactive)
(--when-let (bui-list-current-entry)
(-let (((file point) (alist-get 'file-name it)))
(find-file file)
(goto-char point))))
(defun dap-ui-breakpoints-delete (breakpoint)
"Delete BREAKPOINT on the current line."
(interactive (list (bui-list-current-entry)))
(-when-let* (((&alist 'file-name (file-name ui-list-point)) breakpoint)
(file-breakpoints (gethash file-name (dap--get-breakpoints)))
(existing-breakpoint (cl-find-if
(-lambda ((&plist :point)) (= ui-list-point point))
file-breakpoints)))
(-some-> existing-breakpoint (plist-get :marker) (set-marker nil))
(dap--breakpoints-changed (cl-remove existing-breakpoint file-breakpoints) file-name)))
(defun dap-ui-breakpoints-browse ()
"Browse all breakpoints."
(interactive)
(let* ((completion-entries
(-map (lambda (data)
(let* ((filename (plist-get data :file-name))
(linenumber (save-window-excursion
(find-file filename)
(line-number-at-pos
(plist-get (plist-get data :breakpoint) :point))))
(content (save-window-excursion
(find-file filename)
(save-excursion
(goto-char (point-min))
(forward-line (1- linenumber))
(buffer-substring (line-beginning-position) (line-end-position))))))
(format "%s: %s, %s %s" filename linenumber (plist-get data :icon-literal) content)))
(--filter (plist-member it :file-name) (dap-ui--breakpoints-data))))
(user-choice (split-string
(completing-read "Select breakpoint: " completion-entries)
"[:,]")))
(find-file (car user-choice))
(goto-char (point-min))
(forward-line (1- (string-to-number (nth 1 user-choice))))))
(defun dap-ui-breakpoints-delete-selected ()
"Delete breakpoint on the current line."
(interactive)
(->> (bui-list-get-marked 'general)
(-map 'cl-first)
(bui-entries-by-ids (bui-current-entries))
(-map 'dap-ui-breakpoints-delete)))
(let ((map dap-ui-breakpoints-ui-list-mode-map))
(define-key map (kbd "RET") 'dap-ui-breakpoints-goto)
(define-key map (kbd "d") 'dap-ui-breakpoints-delete)
(define-key map (kbd "D") 'dap-ui-breakpoints-delete-selected))
(defun dap-ui-refresh-breakpoints-list ()
"Refresh breakpoints' list."
(with-current-buffer "*Breakpoints*"
(let ((workspace lsp--cur-workspace))
(bui-revert nil t)
(setq-local lsp--cur-workspace workspace)
(run-hooks 'dap-ui-breakpoints-ui-list-displayed-hook))))
(defun dap-ui--breakpoints-list-cleanup ()
"Cleanup when buffer list has been deleted."
(remove-hook 'dap-breakpoints-changed-hook 'dap-ui-refresh-breakpoints-list))
(add-hook
'dap-ui-breakpoints-ui-list-mode-hook
(lambda ()
(add-hook 'dap-breakpoints-changed-hook 'dap-ui-refresh-breakpoints-list)
(add-hook 'kill-buffer-hook 'dap-ui--breakpoints-list-cleanup nil t)))
;;;###autoload
(defun dap-ui-breakpoints-list ()
"List breakpoints."
(interactive)
(let ((workspaces lsp--buffer-workspaces))
(bui-get-display-entries 'dap-ui-breakpoints-ui 'list)
(setq-local lsp--buffer-workspaces workspaces)
(add-hook 'bui-after-redisplay-hook
(lambda () (setq-local lsp--buffer-workspaces workspaces)))
(run-hooks 'dap-ui-breakpoints-ui-list-displayed-hook)))
;; dap-ui posframe stuff
(defvar dap-ui--control-images-root-dir (f-join (f-dirname (file-truename (or load-file-name buffer-file-name))) "icons/vscode"))
(defvar dap-ui--control-buffer " *dap-ui*")
(defun dap-ui--create-command (image command hover-text)
(propertize " "
'display `(image :type png
:file ,(f-join dap-ui--control-images-root-dir image)
:ascent center
:background ,(face-attribute 'dap-ui-controls-fringe :background nil 'default))
'local-map (--doto (make-sparse-keymap)
(define-key it [mouse-1] command))
'pointer 'hand
'help-echo hover-text))
(defun dap-ui--update-controls (&rest _)
(when (posframe-workable-p)
(let* ((session (dap--cur-session))
(stopped? (and session (dap--debug-session-active-frame session)))
(running? (and session (dap--session-running session))))
(if running?
(let ((content (s-concat
(dap-ui--create-command "continue.png" #'dap-continue "Continue")
" "
(dap-ui--create-command (if stopped?
"step-over.png"
"step-over-disabled.png")
(when stopped? #'dap-next)
(if stopped? "Step over"
"Session not stopped?"))
" "
(dap-ui--create-command (if stopped? "step-out.png"
"step-out-disabled.png")
(when stopped? #'dap-step-out)
(if stopped? "Step out"
"Session not stopped? "))
" "
(dap-ui--create-command (if stopped? "step-into.png"
"step-into-disabled.png")
(when stopped? #'dap-step-in)
(if stopped? "Step in"
"Session not stopped?"))
" "
(dap-ui--create-command "disconnect.png" #'dap-disconnect "Disconnect")
" "
(dap-ui--create-command "restart.png" #'dap-debug-restart "Restart")))
posframe-mouse-banish
(pos-frame (-first
(lambda (frame)
(let ((buffer-info (frame-parameter frame 'posframe-buffer)))
(or (equal dap-ui--control-buffer (car buffer-info))
(equal dap-ui--control-buffer (cdr buffer-info)))))
(frame-list))))
(ignore posframe-mouse-banish)
(when (eq (selected-frame) pos-frame)
(select-frame (frame-parent pos-frame)))
(posframe-show dap-ui--control-buffer
:string content
:poshandler #'posframe-poshandler-frame-top-center
:internal-border-width 8))
(posframe-hide dap-ui--control-buffer)))))
;;;###autoload
(define-minor-mode dap-ui-controls-mode
"Displaying DAP visuals."
:init-value nil
:global t
:require 'dap-ui
(cond
(dap-ui-controls-mode
(add-hook 'dap-session-changed-hook 'dap-ui--update-controls)
(add-hook 'dap-terminated-hook 'dap-ui--update-controls )
(add-hook 'dap-session-changed-hook 'dap-ui--update-controls)
(add-hook 'dap-continue-hook 'dap-ui--update-controls)
(add-hook 'dap-stack-frame-changed-hook 'dap-ui--update-controls)
(setq posframe-mouse-banish nil)
(dap-ui--update-controls))
(t
(remove-hook 'dap-session-changed-hook 'dap-ui--update-controls)
(remove-hook 'dap-terminated-hook 'dap-ui--update-controls )
(remove-hook 'dap-session-changed-hook 'dap-ui--update-controls)
(remove-hook 'dap-continue-hook 'dap-ui--update-controls)
(remove-hook 'dap-stack-frame-changed-hook 'dap-ui--update-controls)
(setq posframe-mouse-banish t)
(posframe-hide dap-ui--control-buffer))))
;; sessions
(defmacro dap-ui-define-action (name keys &rest body)
(declare (doc-string 3) (indent 2))
`(defun ,name (&rest args)
,(format "Code action %s" name)
(interactive)
(ignore args)
(if-let (node (treemacs-node-at-point))
(-let [,(cons '&plist keys) (button-get node :item)]
,@body)
(treemacs-pulse-on-failure "No node at point"))))
(dap-ui-define-action dap-ui-session-select (:session)
(dap--switch-to-session session))
(dap-ui-define-action dap-ui-thread-select (:session :thread-id)
(setf (dap--debug-session-thread-id session) thread-id)
(dap--switch-to-session session)
(dap--select-thread-id session thread-id))
(dap-ui-define-action dap-ui-delete-session (:session)
(dap-delete-session session))
(dap-ui-define-action dap-ui-disconnect (:session)
(dap-disconnect session))
(dap-ui-define-action dap-ui-continue (:session :thread-id)
(dap-continue session thread-id))
(dap-ui-define-action dap-ui-restart-frame (:session :stack-frame)
(dap-restart-frame session (gethash "id" stack-frame)))
(dap-ui-define-action dap-ui-select-stack-frame (:session :thread-id :stack-frame)
(setf (dap--debug-session-thread-id session) thread-id
(dap--debug-session-active-frame session) stack-frame)
(dap--switch-to-session session))
(dap-ui-define-action dap-ui-thread-stop (:session :thread-id)
(dap-stop-thread-1 session thread-id))
(defvar dap-ui-session-mode-map
(-doto (make-sparse-keymap)
(define-key (kbd "X") #'dap-ui-disconnect)
(define-key (kbd "D") #'dap-ui-delete-session)
(define-key (kbd "C") #'dap-ui-continue)
(define-key (kbd "S") #'dap-ui-thread-stop)))
(define-minor-mode dap-ui-sessions-mode
"UI Session list minor mode."
:init-value nil
:group dap-ui
:keymap dap-ui-session-mode-map)
(defun dap-ui--sessions-tree ()
(->>
"debug-sessions"
(lsp-workspace-get-metadata)
(reverse)
(-map
(-lambda ((session &as &dap-session 'name 'thread-states))
(list
:label (propertize name 'face (dap-ui-session--calculate-face session))
:key name
:session session
:ret-action #'dap-ui-session-select
:icon (if (dap--session-running session)
'session-started
'session-terminated)
:actions (if (dap--session-running session)
`(["Select" dap-ui-session-select]
["Disconnect" dap-ui-disconnect]
["Delete Session" dap-ui-delete-session]
"--"
["Delete All Sessions" dap-delete-all-sessions])
`(["Select" dap-ui-session-select]
["Delete Session" dap-ui-delete-session]
"--"
["Delete All Sessions" dap-delete-all-sessions]))
:children-async
(when (dap--session-running session)
(lambda (_node callback)
(dap--send-message
(dap--make-request "threads")
(-lambda ((&hash? "body" (&hash? "threads")))
(funcall
callback
(-map
(-lambda ((thread &as &hash "name" "id"))
(let* ((status (s-capitalize (gethash id thread-states "running")))
(stopped? (not (string= (s-downcase status) "running"))))
(list
:label (concat (propertize name
'face (if (and (eq session (dap--cur-session))
(eq id (dap--debug-session-thread-id session)))
'dap-ui-sessions-thread-active-face
'dap-ui-sessions-thread-face))
(when status (propertize (concat " " status) 'face 'lsp-lens-face)))
:key (format "%s" id)
:icon (if stopped? 'thread-stopped 'thread-running)
:ret-action #'dap-ui-thread-select
:session session
:thread-id id
:actions (if stopped?
`(["Select" dap-ui-thread-select]
["Continue" dap-ui-continue]
"--"
["Delete All Sessions" dap-delete-all-sessions])
`(["Select" dap-ui-thread-select]
["Stop thread" dap-ui-thread-stop]
"--"
["Delete All Sessions" dap-delete-all-sessions]))
:children-async
(when stopped?
(-lambda (_node callback)
(dap--send-message
(dap--make-request "stackTrace" (list :threadId id))
(-lambda ((&hash? "body" (&hash? "stackFrames" stack-frames)))
(funcall
callback
(-map
(-lambda ((stack-frame &as &hash "name" "line" "source" "instructionPointerReference"))
(let* ((current-session (dap--cur-session))
(icon (if (and
(equal session current-session)
(eq id (dap--debug-session-thread-id current-session))
(equal stack-frame (dap--debug-session-active-frame current-session)))
'stack-stopped
'stack)))
(list
:session session
:actions (if stopped?
`(["Select" dap-ui-select-stack-frame]
["Continue" dap-ui-continue]
["Restart Frame" dap-ui-restart-frame]
"--"
["Delete All Sessions" dap-delete-all-sessions])
`(["Select" dap-ui-select-stack-frame]
["Stop thread" dap-ui-thread-stop]
"--"
["Delete All Sessions" dap-delete-all-sessions]))
:thread-id id
:stack-frame stack-frame
:ret-action #'dap-ui-select-stack-frame
:label (if source
(concat (propertize
name
'face (if (and (eq session (dap--cur-session))
(eq id (dap--debug-session-thread-id session))
(equal name (-some->> current-session
dap--debug-session-active-frame
(gethash "name"))))
'dap-ui-sessions-thread-active-face
'dap-ui-sessions-thread-face))
(if instructionPointerReference
(propertize (format " [%s]" instructionPointerReference) 'face 'dap-ui-sessions-thread-face)
"")
(propertize (format " (%s:%s)" (or (gethash "name" source)
(gethash "path" source))
line)
'face 'lsp-lens-face))
(concat name (propertize "(Unknown source)" 'face 'lsp-lens-face)))
:key name
:icon icon)))
stack-frames)))
session))))))
threads)))
session))))))))
(defun dap-ui-sessions--refresh (&rest _)
(save-excursion
(lsp-treemacs-wcb-unless-killed dap-ui--sessions-buffer
(setq-local lsp-treemacs-tree (dap-ui--sessions-tree))
(lsp-treemacs-generic-refresh))))
(defun dap-ui-sessions--cleanup-hooks ()
"Remove UI sessions related hooks."
(remove-hook 'dap-terminated-hook #'dap-ui-sessions--refresh)
(remove-hook 'dap-session-changed-hook #'dap-ui-sessions--refresh)
(remove-hook 'dap-continue-hook #'dap-ui-sessions--refresh)
(remove-hook 'dap-stack-frame-changed-hook 'dap-ui-sessions--refresh))
;;;###autoload
(defun dap-ui-sessions ()
"Show currently active sessions."
(interactive)
(dap-ui--show-buffer
(lsp-treemacs-render
(dap-ui--sessions-tree)
" Debug Sessions " nil
dap-ui--sessions-buffer
'(["Delete All Sessions" dap-delete-all-sessions])))
(dap-ui-sessions-mode)
(add-hook 'dap-terminated-hook #'dap-ui-sessions--refresh)
(add-hook 'dap-session-changed-hook #'dap-ui-sessions--refresh)
(add-hook 'dap-continue-hook #'dap-ui-sessions--refresh)
(add-hook 'dap-stack-frame-changed-hook #'dap-ui-sessions--refresh)
(add-hook 'kill-buffer-hook #'dap-ui-sessions--cleanup-hooks nil t))
;; locals
(defcustom dap-ui-variable-length 30
"Default number of variables to load in inspect variables view for
array variables."
:group 'dap-ui
:type 'number)
(dap-ui-define-action dap-ui-set-variable-value (:session :variables-reference :value :name)
(dap--send-message
(dap--make-request "setVariable"
(list :variablesReference variables-reference
:name name
:value (read-string (format "Enter value for %s: " name ) value)))
(dap--resp-handler)
session))
(defun dap-ui-render-variables (debug-session variables-reference indexed-variables _node)
"Render hierarchical variables for treemacs.
Usable as the `treemacs' :children argument, when DEBUG-SESSION
and VARIABLES-REFERENCE are applied partially.
DEBUG-SESSION specifies the debug session which will be used to
issue requests.
VARIABLES-REFERENCE specifies the handle returned by the debug
adapter for acquiring nested variables and must not be 0."
(when (dap--session-running debug-session)
(->> (apply #'dap-request debug-session "variables"
:variablesReference variables-reference
(when (and indexed-variables
(< 0 indexed-variables))
(list :start 0
:count dap-ui-default-fetch-count)))
(gethash "variables")
(-map (-lambda ((&hash "value" "name"
"variablesReference" variables-reference
"indexedVariables" indexed-variables))
`(:label ,(concat (propertize (format "%s" name)
'face 'font-lock-variable-name-face)
": "
(propertize (s-truncate dap-ui-variable-length
(s-replace "\n" "\\n" value))
'help-echo value))
:icon dap-variable
:value ,value
:session ,debug-session
:variables-reference ,variables-reference
:name ,name
:actions '(["Set value" dap-ui-set-variable-value])
:key ,name
,@(unless (zerop variables-reference)
(list :children
(-partial #'dap-ui-render-variables debug-session
variables-reference indexed-variables)))))))))
(defun dap-ui-render-value
(debug-session expression value variables-reference)
"Render a hover result to the current buffer.
VALUE is the evaluate result, DEBUG-SESSION the debug session as
usual and EXPRESSION the expression that was originally
evaluated. VARIABLES-REFERENCE is returned by the evaluate
request."
(lsp-treemacs-render
`((:key ,expression
:label ,value
:icon dap-field
,@(unless (zerop variables-reference)
(list :children
(-partial #'dap-ui-render-variables
debug-session
variables-reference)))))
"" nil (buffer-name)))
(defun dap-ui-eval-in-buffer (expression)
"Like `dap-eval', but in a new treemacs buffer."
(interactive "sExpr: ")
(let ((debug-session (dap--cur-active-session-or-die)))
(if-let ((active-frame-id (-some->> debug-session
dap--debug-session-active-frame
(gethash "id"))))
(dap--send-message
(dap--make-request "evaluate"
(list :expression expression
:frameId active-frame-id
:context "hover"))
(dap--resp-handler
(-lambda ((&hash "body" (&hash? "result" "variablesReference"
variables-reference)))
(with-current-buffer
(get-buffer-create (format "*evaluate %s*" expression))
(let ((inhibit-read-only t)) (erase-buffer))
(dap-ui-render-value debug-session expression result
variables-reference)
(display-buffer (current-buffer)))))
debug-session)
(error "`dap-eval-in-buffer': no stopped debug session"))))
(defun dap-ui-eval-variable-in-buffer ()
"Evaluate the symbol at point in a new buffer."
(interactive)
(if-let ((sym (thing-at-point 'symbol)))
(dap-ui-eval-in-buffer sym)
(user-error "`dap-ui-eval-variable-in-buffer': no symbol at point")))
(defvar dap-ui--locals-timer nil)
(defun dap-ui-locals-get-data ()
(or (-some->> (dap--cur-session)
(dap--debug-session-active-frame)
(gethash "id")
(dap-request (dap--cur-session) "scopes" :frameId)
(gethash "scopes")
(-map (-lambda ((&hash "name" "variablesReference" variables-reference))
(list :key name
:label name
:icon 'dap-scope
:children (-partial #'dap-ui-render-variables
(dap--cur-session)
variables-reference
0)))))
'((:label "Nothing to display..."
:key "foo"
:icon :empty))))
(defun dap-ui-locals--refresh (&rest _)
(save-excursion
(setq dap-ui--locals-timer nil)
(lsp-treemacs-wcb-unless-killed dap-ui--locals-buffer
(lsp-treemacs-generic-update (dap-ui-locals-get-data)))))
(defun dap-ui-locals--refresh-schedule (&rest _)
(lsp-treemacs-wcb-unless-killed dap-ui--locals-buffer
(when dap-ui--locals-timer (cancel-timer dap-ui--locals-timer))
(setq-local dap-ui--locals-timer (run-with-idle-timer 0.2 nil #'dap-ui-locals--refresh))))
(defun dap-ui-locals--cleanup-hooks ()
(remove-hook 'dap-terminated-hook #'dap-ui-locals--refresh-schedule)
(remove-hook 'dap-session-changed-hook #'dap-ui-locals--refresh-schedule)
(remove-hook 'dap-continue-hook #'dap-ui-locals--refresh-schedule)
(remove-hook 'dap-stack-frame-changed-hook #'dap-ui-locals--refresh-schedule))
;;;###autoload
(defun dap-ui-locals ()
(interactive)
(with-current-buffer (get-buffer-create dap-ui--locals-buffer)
(add-hook 'dap-terminated-hook #'dap-ui-locals--refresh-schedule)
(add-hook 'dap-session-changed-hook #'dap-ui-locals--refresh-schedule)
(add-hook 'dap-continue-hook #'dap-ui-locals--refresh-schedule)
(add-hook 'dap-stack-frame-changed-hook #'dap-ui-locals--refresh-schedule)
(add-hook 'kill-buffer-hook #'dap-ui-locals--cleanup-hooks nil t)
(lsp-treemacs-render (dap-ui-locals-get-data) " Locals " dap-ui-locals-expand-depth dap-ui--locals-buffer)
(dap-ui--show-buffer (current-buffer))))
;; watch expressions
(defcustom dap-ui-expressions nil
"The watch expressions."
:type '(repeat string)
:group 'dap-ui)
(defun dap-ui-expressions-add (expression)
(interactive (list (read-string
"Add watch expression: "
(cond
((region-active-p) (buffer-substring-no-properties
(region-beginning)
(region-end)))
(t (symbol-name (symbol-at-point)))))))
(when (-contains? dap-ui-expressions expression)
(user-error "\"%s\" is already watched" expression))
(add-to-list 'dap-ui-expressions expression)
(dap-ui-expressions)
(dap-ui-expressions-refresh))
(defun dap-ui-expressions-add-prompt (expression)
"Prompts for an expression and adds it to `dap-ui-expressions'."
(interactive (list (read-string "Add watch expression: ")))
(dap-ui-expressions-add expression))
(defun dap-ui-expressions-remove (expression)
(interactive (list (completing-read
"Select expression to remove: "
dap-ui-expressions
nil
t)))
(unless (-contains? dap-ui-expressions expression)
(user-error "\"%s\" is not present" expression))
(setq dap-ui-expressions (remove expression dap-ui-expressions))
(dap-ui-expressions-refresh))
(dap-ui-define-action dap-ui-expressions-mouse-remove (:expression)
(dap-ui-expressions-remove expression))