-
Notifications
You must be signed in to change notification settings - Fork 1
/
xi.el
189 lines (166 loc) · 5.76 KB
/
xi.el
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
;; xi.el - (c) munshkr@gmail.com, 2017, based heavily on...
;; tidal.el - (c) alex@slab.org, 2012, based heavily on...
;; hsc3.el - (c) rohan drape, 2006-2008
;; notes from hsc3:
;; This mode is implemented as a derivation of `haskell' mode,
;; indentation and font locking is courtesy that mode. The
;; inter-process communication is courtesy `comint'. The symbol at
;; point acquisition is courtesy `thingatpt'. The directory search
;; facilities are courtesy `find-lisp'.
(require 'scheme)
(require 'comint)
(require 'thingatpt)
(require 'find-lisp)
(require 'pulse)
(defvar xi-buffer
"*xi*"
"*The name of the Xi process buffer (default=*xi*)")
(defvar xi-interpreter
"xi"
"*The Xi interpeter to use (default=xi)")
(defvar xi-interpreter-arguments
'()
"*Arguments to the Xi interpreter (default=none)")
(defun xi-start ()
"Start Xi"
(interactive)
(if (comint-check-proc xi-buffer)
(error "A Xi process is already running"))
(apply 'make-comint
"xi"
xi-interpreter
nil
xi-interpreter-arguments)
(xi-see-output))
(defun xi-quit ()
"Quit Xi"
(interactive)
(kill-buffer xi-buffer)
(delete-other-windows))
(defun xi-interrupt ()
(interactive)
(unless (comint-check-proc xi-buffer)
(error "No Xi process running?"))
(with-current-buffer xi-buffer
(interrupt-process (get-buffer-process (current-buffer)))))
(defun xi-see-output ()
"Show Xi output"
(interactive)
(unless (comint-check-proc xi-buffer)
(error "No Xi process running?"))
(delete-other-windows)
(split-window-vertically)
(with-current-buffer xi-buffer
(let ((window (display-buffer (current-buffer))))
(select-window window)
(shrink-window 6)
(goto-char (point-max))
(save-selected-window
(set-window-point window (point-max))))))
;; TODO
(defun xi-help ()
"Lookup up the name at point in the Help files"
(interactive)
(mapc (lambda (filename)
(find-file-other-window filename))
(find-lisp-find-files xi-help-directory
(concat "^"
(thing-at-point 'symbol)
"\\.help\\.lhs"))))
(defun xi-send-string (s)
(unless (comint-check-proc xi-buffer)
(error "No Xi process running?"))
(comint-send-string xi-buffer (concat s "\n")))
(defun xi-run-line ()
"Send the current line to the interpreter"
(interactive)
(let ((s (buffer-substring (line-beginning-position)
(line-end-position))))
(xi-send-string s))
(pulse-momentary-highlight-one-line (point)))
(defun xi-run-multiple-lines ()
"Send the current paragraph to the interpreter"
(interactive)
(save-excursion
(mark-paragraph)
(let ((s (buffer-substring-no-properties (region-beginning)
(region-end))))
(xi-send-string s)
(mark-paragraph)
(pulse-momentary-highlight-region (mark) (point)))))
(defun xi-run-region ()
"Send the current region to the interpreter"
(interactive)
(xi-send-string
(buffer-substring-no-properties (region-beginning) (region-end))))
(defun xi-load-buffer ()
"Load the current buffer"
(interactive)
(save-buffer)
(xi-send-string (format "load \"%s\"" buffer-file-name)))
(defvar xi-mode-map nil
"Xi keymap")
(defun xi-mode-keybindings (map)
"Xi keybindings"
(define-key map [?\C-c ?\C-s] 'xi-start)
(define-key map [?\C-c ?\C-v] 'xi-see-output)
(define-key map [?\C-c ?\C-q] 'xi-quit)
(define-key map [?\C-c ?\C-c] 'xi-run-line)
(define-key map [?\C-c ?\C-e] 'xi-run-multiple-lines)
(define-key map (kbd "<C-return>") 'xi-run-multiple-lines)
(define-key map [?\C-c ?\C-r] 'xi-run-region)
(define-key map [?\C-c ?\C-l] 'xi-load-buffer)
(define-key map [?\C-c ?\C-i] 'xi-interrupt)
(define-key map [?\C-c ?\C-h] 'xi-help))
(defun turn-on-xi-keybindings ()
"Xi keybindings in the local map"
(local-set-key [?\C-c ?\C-s] 'xi-start)
(local-set-key [?\C-c ?\C-v] 'xi-see-output)
(local-set-key [?\C-c ?\C-q] 'xi-quit)
(local-set-key [?\C-c ?\C-c] 'xi-run-line)
(local-set-key [?\C-c ?\C-e] 'xi-run-multiple-lines)
(local-set-key (kbd "<C-return>") 'xi-run-multiple-lines)
(local-set-key [?\C-c ?\C-r] 'xi-run-region)
(local-set-key [?\C-c ?\C-l] 'xi-load-buffer)
(local-set-key [?\C-c ?\C-i] 'xi-interrupt)
(local-set-key [?\C-c ?\C-h] 'xi-help))
(defun xi-mode-menu (map)
"Xi menu"
(define-key map [menu-bar xi]
(cons "Xi" (make-sparse-keymap "Xi")))
(define-key map [menu-bar xi help]
(cons "Help" (make-sparse-keymap "Help")))
(define-key map [menu-bar xi expression]
(cons "Expression" (make-sparse-keymap "Expression")))
(define-key map [menu-bar xi expression load-buffer]
'("Load buffer" . xi-load-buffer))
(define-key map [menu-bar xi expression run-region]
'("Run region" . xi-run-region))
(define-key map [menu-bar xi expression run-multiple-lines]
'("Run multiple lines" . xi-run-multiple-lines))
(define-key map [menu-bar xi expression run-line]
'("Run line" . xi-run-line))
(define-key map [menu-bar xi repl]
(cons "REPL" (make-sparse-keymap "REPL")))
(define-key map [menu-bar xi repl quit]
'("Quit" . xi-quit))
(define-key map [menu-bar xi repl see-output]
'("See output" . xi-see-output))
(define-key map [menu-bar xi repl start]
'("Start" . xi-start)))
(if xi-mode-map
()
(let ((map (make-sparse-keymap "Xi")))
(xi-mode-keybindings map)
(xi-mode-menu map)
(setq xi-mode-map map)))
(define-derived-mode
xi-mode
ruby-mode
"Xi"
"Major mode for interacting with a Xi process"
(set (make-local-variable 'paragraph-start) "\f\\|[ \t]*$")
(set (make-local-variable 'paragraph-separate) "[ \t\f]*$")
(turn-on-font-lock))
(add-to-list 'auto-mode-alist '("\\.xi" . xi-mode))
(provide 'xi)