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
|
;;; wasp-curse --- A curse -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:
(require 'dash)
(require 's)
(require 'f)
(require 'ht)
(require 'cl-lib)
(defun w/curse-run (prog)
"Run PROG and return the output."
(let ((tmpfile (make-temp-file "curse.js")))
(with-temp-file tmpfile (insert prog))
(shell-command-to-string (format "node '%s'" tmpfile))))
(defun w/curse-name (name)
"Convert NAME to a cursed name."
(replace-regexp-in-string "[-]" "_" (format "%s" name)))
(defconst w/binary-ops
'((or . "||")
(and . "&&")
(> . ">")
(>= . ">=")
(< . "<")
(<= . "<=")
(= . "===")
(% . "%")
(/ . "/")
(bit-or . "|")
(bit-and . "&")
(bit-xor . "^")))
(defun w/curse-expr (expr)
"Translate EXPR according to the nature of the curse."
(cond
((null expr) "(null)")
((listp expr)
(pcase (car expr)
((or '+ '- '*)
(format
"(%s)"
(s-join (format "%s" (car expr)) (-map #'w/curse-expr (cdr expr)))))
((pred (lambda (x) (alist-get x w/binary-ops)))
(format
"(%s)"
(s-join (alist-get (car expr) w/binary-ops) (-map #'w/curse-expr (cdr expr)))))
((or '<< '>>)
(format
"(%s%s%s)"
(w/curse-expr (cadr expr))
(format "%s" (car expr))
(w/curse-expr (caddr expr))))
('comment "(null)")
('lambda
(format
"((%s)=>(%s))"
(s-join "," (-map #'w/curse-name (cadr expr)))
(s-join "," (-map #'w/curse-expr (cddr expr)))))
('async-lambda
(format
"(async(%s)=>(%s))"
(s-join "," (-map #'w/curse-name (cadr expr)))
(s-join "," (-map #'w/curse-expr (cddr expr)))))
('if
(format
"(%s?%s:%s)"
(w/curse-expr (cadr expr))
(w/curse-expr (caddr expr))
(w/curse-expr (cadddr expr))))
('define
(format
"(globalThis.%s=%s)"
(w/curse-name (cadr expr))
(w/curse-expr (caddr expr))))
('set
(format
"(%s=%s)"
(w/curse-name (cadr expr))
(w/curse-expr (caddr expr))))
('aset
(format
"(%s[%s]=%s)"
(w/curse-name (cadr expr))
(w/curse-expr (caddr expr))
(w/curse-expr (cadddr expr))))
('new
(format
"(new %s(%s))"
(w/curse-expr (cadr expr))
(s-join "," (-map #'w/curse-expr (cddr expr)))))
('await
(format
"(await %s)"
(w/curse-expr (cadr expr))))
('not
(format
"(!%s)"
(w/curse-expr (cadr expr))))
('let
(format
"(((%s)=>(%s))(%s))"
(s-join "," (--map (w/curse-name (car it)) (cadr expr)))
(s-join "," (-map #'w/curse-expr (cddr expr)))
(s-join "," (--map (w/curse-expr (cadr it)) (cadr expr)))))
('async-let
(format
"((async(%s)=>(%s))(%s))"
(s-join "," (--map (w/curse-name (car it)) (cadr expr)))
(s-join "," (-map #'w/curse-expr (cddr expr)))
(s-join "," (--map (w/curse-expr (cadr it)) (cadr expr)))))
('do
(format
"((()=>(%s))())"
(s-join "," (-map #'w/curse-expr (cdr expr)))))
('iota
(format
"[...Array(%s).keys()]"
(w/curse-expr (cadr expr))))
('array
(format
"[%s]"
(s-join "," (-map #'w/curse-expr (cdr expr)))))
('object
(format
"{%s}"
(s-join
","
(--map (format "%s:%s" (w/curse-name (car it)) (w/curse-expr (cadr it))) (cdr expr)))))
('@
(format
"((%s)[%s])"
(w/curse-expr (cadr expr))
(w/curse-expr (caddr expr))))
(_
(format
"((%s)(%s))"
(w/curse-expr (car expr))
(s-join "," (-map #'w/curse-expr (cdr expr)))))
))
((symbolp expr) (w/curse-name expr))
((numberp expr) (format "%s" expr))
((stringp expr) (format "\"%s\"" expr))
(t "(null)")))
(defun w/curse-current-buffer ()
"Transmute the current buffer according to the curse."
(interactive)
(let* ((srcfile (buffer-file-name))
(jspath (s-concat (f-base srcfile) ".js"))
(src (buffer-string)))
(with-temp-buffer
(insert src)
(goto-char (point-min))
(let ((acc "")
(line (read (current-buffer))))
(while (and line (not (eobp)))
(setf acc (s-concat acc (w/curse-expr line) ";"))
(setf
line
(condition-case nil
(read (current-buffer))
(error nil))))
(write-region acc nil jspath)))))
(provide 'wasp-curse)
;;; wasp-curse.el ends here
|
