A JavaScript development environment for Emacs https://indium.readthedocs.io
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;;; indium-debugger-locals.el --- Inspect locals -*- lexical-binding: t; -*-
;; Copyright (C) 2017-2018 Nicolas Petton
;; Author: Nicolas Petton <nicolas@petton.fr>
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'indium-render)
(require 'indium-inspector)
(declare-function indium-debugger-get-scopes-properties "indium-debugger.el")
(declare-function indium-debugger-get-current-scopes "indium-debugger.el")
(defun indium-debugger-locals (&optional no-pop)
"Inspect the local variables in the current stack frame's scope.
Unless NO-POP is non-nil, pop the locals buffer."
(interactive)
(let* ((buf (indium-debugger-locals-get-buffer-create))
(inhibit-read-only t)
(scopes (indium-debugger-get-current-scopes)))
(with-current-buffer buf
(erase-buffer))
(indium-debugger-get-scopes-properties
scopes
(lambda (properties scope)
(indium-debugger-locals-render-properties properties scope no-pop)))))
(defun indium-debugger-locals-maybe-refresh ()
"When a local inspector is open, refresh it."
(interactive)
(let ((buf (indium-debugger-locals-get-buffer)))
(when buf
(indium-debugger-locals t))))
(defun indium-debugger-locals-render-properties (properties scope &optional no-pop)
"Render PROPERTIES in SCOPE.
Unless NO-POP in non-nil, pop the locals buffer."
(let* ((buf (indium-debugger-locals-get-buffer-create))
(inhibit-read-only t)
(name (indium-scope-name scope))
(type (indium-scope-type scope))
(description (if (or (null name)
(string= name "undefined"))
type
name)))
(with-current-buffer buf
(save-excursion
(goto-char (point-max))
(indium-render-keyword description)
(insert "\n\n")
(indium-inspector--insert-sorted-properties properties)))
(unless no-pop
(pop-to-buffer buf))))
(defun indium-debugger-locals-get-buffer ()
"Return the buffer to use to inspect locals."
(get-buffer (indium-debugger-locals-buffer-name)))
(defun indium-debugger-locals-buffer-name ()
"Return the name of the buffer to use to inspect locals."
"*JS Debugger Locals*")
(defun indium-debugger-locals-get-buffer-create ()
"Create a locals buffer unless one exists, and return it."
(let ((buf (indium-debugger-locals-get-buffer)))
(unless buf
(setq buf (generate-new-buffer (indium-debugger-locals-buffer-name)))
(indium-debugger-locals-setup-buffer buf))
buf))
(defun indium-debugger-locals-setup-buffer (buffer)
"Setup BUFFER."
(with-current-buffer buffer
(indium-debugger-locals-mode)
(read-only-mode)))
(defvar indium-debugger-locals-mode-map
(let ((map (copy-keymap indium-inspector-mode-map)))
(define-key map "g" nil)
(define-key map "l" nil)
map))
(define-derived-mode indium-debugger-locals-mode indium-inspector-mode "Locals"
"Major mode for inspecting local variables in a scope-chain.
\\{indium-debugger-locals-mode-map}")
(provide 'indium-debugger-locals)
;;; indium-debugger-locals.el ends here