1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
;;; geiser-debug.el -- displaying debug information and evaluation results
;; Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2020, 2021 Jose Antonio Ortega Ruiz
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the Modified BSD License. You should
;; have received a copy of the license along with this program. If
;; not, see <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5>.
;; Start date: Mon Feb 23, 2009 22:34
;;; Code:
(require 'geiser-edit)
(require 'geiser-autodoc)
(require 'geiser-impl)
(require 'geiser-eval)
(require 'geiser-menu)
(require 'geiser-popup)
(require 'geiser-base)
(require 'geiser-image)
(require 'ansi-color)
;;; Customization:
(defgroup geiser-debug nil
"Debugging and error display options."
:group 'geiser)
(geiser-custom--defcustom geiser-debug-always-display-sexp-after-p nil
"Whether to always display the sexp whose evaluation caused an
error after the error message in the debug pop-up. If nil,
expressions shorter than `geiser-debug-long-sexp-lines` lines are
shown before the error message."
:type 'boolean)
(geiser-custom--defcustom geiser-debug-long-sexp-lines 6
"Length of an expression in order to be relegated to the bottom
of the debug pop-up (after the error message). If
`geiser-debug-always-display-sexp-after-p` is t, this variable
has no effect."
:type 'int)
(geiser-custom--defcustom geiser-debug-jump-to-debug-p t
"When set to t (the default), jump to the debug pop-up buffer
in case of evaluation errors.
See also `geiser-debug-show-debug-p`. "
:type 'boolean)
(geiser-custom--defcustom geiser-debug-show-debug-p t
"When set to t (the default), show the debug pop-up buffer in
case of evaluation errors.
This option takes effect even if `geiser-debug-jump-to-debug-p`
is set."
:type 'boolean)
(geiser-custom--defcustom geiser-debug-auto-display-images-p t
"Whether to automatically invoke the external viewer to display
images when they're evaluated.
See also `geiser-repl-auto-display-images-p'."
:type 'boolean)
(geiser-custom--defcustom geiser-debug-treat-ansi-colors nil
"Colorize ANSI escape sequences produced by the scheme process.
Some schemes are able to colorize their evaluation or error
results using ANSI color sequences (e.g. when using the the
colorized module in Guile).
If set to `nil', no special treatment is applied to output. The
symbol colors indicates colorizing the display of the Geiser dbg
buffer using any color escape, and the symbol remove to remove
all ANSI sequences."
:type '(choice (const :tag "No special treatment" nil)
(const :tag "Use font lock for colors" colors)
(const :tag "Remove all ANSI codes" remove)))
;;; Debug buffer mode:
(defvar geiser-debug-mode-map
(let ((map (make-sparse-keymap)))
(suppress-keymap map)
(set-keymap-parent map button-buffer-map)
map)
"Keymap for `geiser-debug-mode'.")
(define-derived-mode geiser-debug-mode nil "Geiser DBG"
"A major mode for displaying Scheme compilation and evaluation results.
\\{geiser-debug-mode-map}"
(buffer-disable-undo)
(set-syntax-table scheme-mode-syntax-table)
(setq next-error-function 'geiser-edit--open-next)
(setq buffer-read-only t))
(defun geiser-debug--button-p (nextp)
(let ((m (funcall (if nextp 'next-button 'previous-button) (point))))
(and m (funcall (if nextp '< '>) (point) (marker-position m)))))
(geiser-menu--defmenu debug geiser-debug-mode-map
("Next error" "n" forward-button :enable (geiser-debug--button-p t))
("Previous error" "p" backward-button :enable (geiser-debug--button-p t))
--
("Quit" nil View-quit))
;;; Buffer for displaying evaluation results:
(geiser-popup--define debug "*Geiser dbg*" geiser-debug-mode)
;;; Displaying retorts
(geiser-impl--define-caller geiser-debug--display-error
display-error (module key message)
"This method takes 3 parameters (a module name, the error key,
and the accompanying error message) and should display
(in the current buffer) a formatted version of the error. If the
error was successfully displayed, the call should evaluate to a
non-null value.")
(geiser-impl--define-caller geiser-debug--enter-debugger
enter-debugger ()
"This method is called upon entering the debugger, in the REPL
buffer.")
(defun geiser-debug--display-after (what)
(or geiser-debug-always-display-sexp-after-p
(>= (with-temp-buffer
(insert what)
(count-lines (point-min) (point-max)))
geiser-debug-long-sexp-lines)))
(defun geiser-debug--insert-res (res)
(let ((begin (point)))
(insert res)
(let ((end (point)))
(goto-char begin)
(let ((no (geiser-image--replace-images
t geiser-debug-auto-display-images-p)))
(goto-char end)
(newline 2)
(and no (> no 0))))))
(declare-function switch-to-geiser "geiser-repl")
(defun geiser-debug--display-retort (what ret &optional res auto-p)
(let* ((err (geiser-eval--retort-error ret))
(key (geiser-eval--error-key err))
(output (geiser-eval--retort-output ret))
(impl geiser-impl--implementation)
(module (geiser-eval--get-module))
(dbg nil)
(img nil)
(dir default-directory)
(buffer (current-buffer))
(debug (eq key 'geiser-debugger))
(after (geiser-debug--display-after what)))
(when debug
(switch-to-geiser nil nil buffer)
(geiser-debug--enter-debugger impl))
(geiser-debug--with-buffer
(erase-buffer)
(when dir (setq default-directory dir))
(unless after
(geiser-debug--display-error impl module nil what)
(goto-char (point-max))
(newline 2))
(setq img (when (and res (not err)) (geiser-debug--insert-res res)))
(setq dbg (geiser-debug--display-error impl module key output))
(when after
(goto-char (point-max))
(insert "\nExpression evaluated was:\n\n")
(geiser-debug--display-error impl module nil what))
(case geiser-debug-treat-ansi-colors
(colors (ansi-color-apply-on-region (point-min) (point)))
(remove (ansi-color-filter-region (point-min) (point))))
(goto-char (point-min)))
(when (or img dbg)
(when (or geiser-debug-jump-to-debug-p geiser-debug-show-debug-p)
(if geiser-debug-jump-to-debug-p
(geiser-debug--pop-to-buffer)
(display-buffer (geiser-debug--buffer))))
(when err
(ignore-errors (next-error))
(message "=> %s" output)))))
(defsubst geiser-debug--wrap-region (str)
(format "(begin %s\n)" str))
(defun geiser-debug--unwrap (str)
(if (string-match "(begin[ \t\n\v\r]+\\(.+\\)*)" str)
(match-string 1 str)
str))
(defun geiser-debug--send-region (compile start end and-go wrap &optional nomsg)
(let* ((str (buffer-substring-no-properties start end))
(wrapped (if wrap (geiser-debug--wrap-region str) str))
(code `(,(if compile :comp :eval) (:scm ,wrapped)))
(ret (geiser-eval--send/wait code))
(res (geiser-eval--retort-result-str ret nil))
(err (geiser-eval--retort-error ret)))
(when and-go (funcall and-go))
(when (not err)
(save-excursion
(goto-char (/ (+ end start) 2))
(geiser-autodoc--clean-cache))
(unless nomsg
(save-match-data
(when (string-match "\\(?:[ \t\n\r]+\\)\\'" res)
(setq res (replace-match "" t t res))))
(message "%s" res)))
(geiser-debug--display-retort (geiser-syntax--scheme-str str) ret res)
ret))
(defun geiser-debug--expand-region (start end all wrap)
(let* ((str (buffer-substring-no-properties start end))
(wrapped (if wrap (geiser-debug--wrap-region str) str))
(code `(:eval (:ge macroexpand (quote (:scm ,wrapped))
,(if all :t :f))))
(ret (geiser-eval--send/wait code))
(err (geiser-eval--retort-error ret))
(result (geiser-eval--retort-result ret)))
(if err
(geiser-debug--display-retort str ret)
(geiser-debug--with-buffer
(erase-buffer)
(insert (format "%s" (if wrap (geiser-debug--unwrap result) result)))
(goto-char (point-min)))
(geiser-debug--pop-to-buffer))))
(provide 'geiser-debug)
|
