blob: 07425c45b2168a49830a4a06fa7c137b9a770ad3 (
plain)
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
|
(.module:
[lux #*
["." meta]
[abstract
["." monad (#+ Monad do)
[indexed (#+ IxMonad)]]]
[control
["." exception (#+ exception:)]
["." io (#+ IO)]
[concurrency
["." promise (#+ Promise)]]
["<>" parser
["<.>" code (#+ Parser)]]]
[data
["." identity (#+ Identity)]
["." maybe]
["." product]
[text
["%" format (#+ format)]]
[collection
["." set]
["." row (#+ Row)]
["." list ("#\." functor fold)]]]
["." macro
[syntax (#+ syntax:)]]
[math
[number
["n" nat]]]
[type
abstract]])
(type: #export (Procedure monad input output value)
(-> input (monad [output value])))
(type: #export (Linear monad value)
(All [keys]
(Procedure monad keys keys value)))
(type: #export (Affine monad permissions value)
(All [keys]
(Procedure monad keys [permissions keys] value)))
(type: #export (Relevant monad permissions value)
(All [keys]
(Procedure monad [permissions keys] keys value)))
(structure: (indexed Monad<m>)
(All [m] (-> (Monad m) (IxMonad (Procedure m))))
(def: (wrap value)
(function (_ keys)
(\ Monad<m> wrap [keys value])))
(def: (bind f input)
(function (_ keysI)
(do Monad<m>
[[keysT value] (input keysI)]
((f value) keysT)))))
(template [<name> <m> <monad> <execute> <lift>]
[(def: #export <name>
(IxMonad (Procedure <m>))
(..indexed <monad>))
(def: #export (<execute> procedure)
(All [v] (-> (Linear <m> v) (<m> v)))
(do <monad>
[[_ output] (procedure [])]
(wrap output)))
(def: #export (<lift> procedure)
(All [v] (-> (<m> v) (Linear <m> v)))
(function (_ keys)
(do <monad>
[output procedure]
(wrap [keys output]))))]
[pure Identity identity.monad run_pure lift_pure]
[sync IO io.monad run_sync lift_sync]
[async Promise promise.monad run_async lift_async]
)
(abstract: #export Ordered Any)
(abstract: #export Commutative Any)
(abstract: #export (Key mode key)
Any
(template [<name> <mode>]
[(def: <name>
(Ex [k] (-> Any (Key <mode> k)))
(|>> :abstraction))]
[ordered_key Ordered]
[commutative_key Commutative]
))
(abstract: #export (Res key value)
value
{#.doc "A value locked by a key."}
(template [<name> <m> <monad> <mode> <key>]
[(def: #export (<name> value)
(All [v] (Ex [k] (-> v (Affine <m> (Key <mode> k) (Res k v)))))
(function (_ keys)
(\ <monad> wrap [[(<key> []) keys] (:abstraction value)])))]
[ordered_pure Identity identity.monad Ordered ordered_key]
[ordered_sync IO io.monad Ordered ordered_key]
[ordered_async Promise promise.monad Ordered ordered_key]
[commutative_sync IO io.monad Commutative commutative_key]
[commutative_pure Identity identity.monad Commutative commutative_key]
[commutative_async Promise promise.monad Commutative commutative_key]
)
(template [<name> <m> <monad>]
[(def: #export (<name> resource)
(All [v k m]
(-> (Res k v) (Relevant <m> (Key m k) v)))
(function (_ [key keys])
(\ <monad> wrap [keys (:representation resource)])))]
[read_pure Identity identity.monad]
[read_sync IO io.monad]
[read_async Promise promise.monad]
))
(exception: #export (index_cannot_be_repeated {index Nat})
(exception.report
["Index" (%.nat index)]))
(exception: #export amount_cannot_be_zero)
(def: indices
(Parser (List Nat))
(<code>.tuple (loop [seen (set.new n.hash)]
(do {! <>.monad}
[done? <code>.end?]
(if done?
(wrap (list))
(do !
[head <code>.nat
_ (<>.assert (exception.construct ..index_cannot_be_repeated head)
(not (set.member? seen head)))
tail (recur (set.add head seen))]
(wrap (list& head tail))))))))
(def: (no_op Monad<m>)
(All [m] (-> (Monad m) (Linear m Any)))
(function (_ context)
(\ Monad<m> wrap [context []])))
(template [<name> <m> <monad>]
[(syntax: #export (<name> {swaps ..indices})
(macro.with_gensyms [g!_ g!context]
(case swaps
#.Nil
(wrap (list (` ((~! no_op) <monad>))))
(#.Cons head tail)
(do {! meta.monad}
[#let [max_idx (list\fold n.max head tail)]
g!inputs (<| (monad.seq !) (list.repeat (inc max_idx)) (macro.gensym "input"))
#let [g!outputs (|> (monad.fold maybe.monad
(function (_ from to)
(do maybe.monad
[input (list.nth from g!inputs)]
(wrap (row.add input to))))
(: (Row Code) row.empty)
swaps)
maybe.assume
row.to_list)
g!inputsT+ (list\map (|>> (~) (..Key ..Commutative) (`)) g!inputs)
g!outputsT+ (list\map (|>> (~) (..Key ..Commutative) (`)) g!outputs)]]
(wrap (list (` (: (All [(~+ g!inputs) (~ g!context)]
(Procedure (~! <m>)
[(~+ g!inputsT+) (~ g!context)]
[(~+ g!outputsT+) (~ g!context)]
.Any))
(function ((~ g!_) [(~+ g!inputs) (~ g!context)])
(\ (~! <monad>) (~' wrap) [[(~+ g!outputs) (~ g!context)] []]))))))))))]
[exchange_pure Identity identity.monad]
[exchange_sync IO io.monad]
[exchange_async Promise promise.monad]
)
(def: amount
(Parser Nat)
(do <>.monad
[raw <code>.nat
_ (<>.assert (exception.construct ..amount_cannot_be_zero [])
(n.> 0 raw))]
(wrap raw)))
(template [<name> <m> <monad> <from> <to>]
[(syntax: #export (<name> {amount ..amount})
(macro.with_gensyms [g!_ g!context]
(do {! meta.monad}
[g!keys (<| (monad.seq !) (list.repeat amount) (macro.gensym "keys"))]
(wrap (list (` (: (All [(~+ g!keys) (~ g!context)]
(Procedure (~! <m>)
[<from> (~ g!context)]
[<to> (~ g!context)]
.Any))
(function ((~ g!_) [<from> (~ g!context)])
(\ (~! <monad>) (~' wrap) [[<to> (~ g!context)] []])))))))))]
[group_pure Identity identity.monad (~+ g!keys) [(~+ g!keys)]]
[group_sync IO io.monad (~+ g!keys) [(~+ g!keys)]]
[group_async Promise promise.monad (~+ g!keys) [(~+ g!keys)]]
[un_group_pure Identity identity.monad [(~+ g!keys)] (~+ g!keys)]
[un_group_sync IO io.monad [(~+ g!keys)] (~+ g!keys)]
[un_group_async Promise promise.monad [(~+ g!keys)] (~+ g!keys)]
)
|
