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slime-trace-buffer.el
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slime-trace-buffer.el
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;;; slime-trace-buffer.el --- SLIME buffer for displaying traces -*- lexical-binding: t; -*-
;; Copyright (C) 2024 Mariano Montone
;; Author: Mariano Montone <marianomontone@gmail.com>
;; Keywords: lisp, tools
;; 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/>.
;;; Commentary:
;;
;;; Code:
(require 'slime)
(require 'cl-lib)
(defun slime-trace-buffer-add-hooks ()
(add-hook 'slime-event-hooks 'slime-trace-buffer-event-handler))
(defun slime-trace-buffer--get-buffer ()
"Get buffer for traces."
(let ((buf (get-buffer "*slime-trace*")))
(if buf buf
(let ((buffer (generate-new-buffer "*slime-trace*")))
(with-current-buffer buffer
;; Initialize here
buffer)))))
(defgroup slime-trace-buffer nil
"SLIME Trace Buffer settings."
:group 'slime)
(defcustom slime-trace-buffer-indent 3
"Indentation in SLIME Trace Buffer."
:type 'integer
:group 'slime-trace-buffer)
(defcustom slime-trace-buffer-use-buttons t
"Use buttons in SLIME Trace buffers."
:type 'boolean
:group 'slime-trace-buffer)
(defun slime-trace-buffer--insert-button (label action &rest props)
(if slime-trace-buffer-use-buttons
(apply #'insert-text-button label
'action (lambda (_btn) (funcall action))
'follow-link t
props)
(insert label)))
(defun slime-trace-buffer--insert-trace-enter (trace)
(goto-char (point-max))
(cl-labels ((indent ()
(dotimes (l (* (cl-getf trace ':level)
slime-trace-buffer-indent))
(insert " ")))
(indsert (string)
(indent)
(insert string)))
(let ((pos (point))
(part 0))
(indent)
(slime-trace-buffer--insert-button
(prin1-to-string (cl-getf trace ':level))
(lambda () (slime-trace-buffer--inspect-trace (cl-getf trace ':id)))
'help-echo "Inspect trace")
(insert ": ")
(insert (prin1-to-string (cl-getf trace ':spec)))
(newline)
(dolist (arg (cl-getf trace ':args))
(indsert "< ")
(slime-trace-buffer--insert-button
arg (let ((trace-part part))
(lambda () (slime-trace-buffer--inspect-trace-part (cl-getf trace ':id) trace-part :arg))))
(incf part)
(newline))
;;(goto-char pos)
;;(outline-hide-subtree)
;;(outline-hide-leaves)
)))
(defun slime-trace-buffer--insert-trace-exit (trace)
(cl-labels ((indent ()
(dotimes (l (* (cl-getf trace ':level)
slime-trace-buffer-indent))
(insert " ")))
(indsert (string)
(indent)
(insert string)))
(goto-char (point-max))
(let ((part 0))
(indsert (prin1-to-string (cl-getf trace ':level)))
(insert ": ")
(insert (prin1-to-string (cl-getf trace ':spec)))
(newline)
(dolist (retval (cl-getf trace ':retlist))
(indsert "> ")
(slime-trace-buffer--insert-button
retval (let ((trace-part part))
(lambda () (slime-trace-buffer--inspect-trace-part (cl-getf trace :id) trace-part :retval))))
(incf part)
(newline)))))
(defun slime-trace-buffer--inspect-trace (id)
(slime-eval `(swank-trace-buffer::inspect-trace ,id)))
(defun slime-trace-buffer--inspect-trace-part (id index type)
(slime-eval `(swank-trace-buffer::inspect-trace-part ,id ,index ',type)))
(defun slime-trace-buffer-event-handler (event)
(slime-dcase event
((:stb/trace-enter trace)
(let ((buffer (slime-trace-buffer--get-buffer)))
(with-current-buffer buffer
(slime-trace-buffer--insert-trace-enter trace)
(newline)
(unless (get-buffer-window)
(display-buffer buffer))))
t)
((:stb/trace-exit trace)
(let ((buffer (slime-trace-buffer--get-buffer)))
(with-current-buffer buffer
(slime-trace-buffer--insert-trace-exit trace)
(newline)
(unless (get-buffer-window)
(display-buffer buffer))
(unless (eq buffer (window-buffer (selected-window))) ;; buffer has focus
(set-window-point (get-buffer-window buffer) (point-max)))))
t)
(t nil)))
(add-hook 'slime-event-hooks 'slime-trace-buffer-event-handler)
(define-slime-contrib slime-trace-buffer
"Dedicated buffer for trace output.
Interactive. Features inspection of traces arguments and return values using SLIME inspector."
(:authors "Mariano Montone <marianomontone@gmail.com>")
(:license "GPL")
(:slime-dependencies slime-buffer-streams slime-trace-dialog)
(:swank-dependencies swank-trace-buffer))
;; (setq-local outline-minor-mode-use-buttons t)
;; (setq-local outline-regexp "\s*[0-100]\:")
;; (defun insert-test ()
;; (let ((pos (point)))
;; (insert "0: lalal")
;; (newline)
;; (insert "> 34343")
;; (newline)
;; (insert "< aaa")
;; (newline)
;; (insert " 1: asfasdf")
;; (newline)
;; (insert " < 'asdf")
;; (newline)
;; (goto-char pos)
;; (outline-hide-subtree)
;; (outline-hide-leaves)))
;; (setq-local header-line-format "[RET] open [i] inspect")
(provide 'slime-trace-buffer)
;;; slime-trace-buffer.el ends here