blob: fd7676a314cb101c86584dcfc564f214fe8075c1 (
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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
fun not b = if b then False else True
con idT (t :: Type) = t
con record (t :: {Type}) = $t
con fstTT (t :: (Type * Type)) = t.1
con sndTT (t :: (Type * Type)) = t.2
con fstTTT (t :: (Type * Type * Type)) = t.1
con sndTTT (t :: (Type * Type * Type)) = t.2
con thdTTT (t :: (Type * Type * Type)) = t.3
con mapTT (f :: Type -> Type) = fold (fn nm t acc [[nm] ~ acc] =>
[nm = f t] ++ acc) []
con mapUT = fn f :: Type => fold (fn nm t acc [[nm] ~ acc] =>
[nm = f] ++ acc) []
con mapT2T (f :: (Type * Type) -> Type) = fold (fn nm t acc [[nm] ~ acc] =>
[nm = f t] ++ acc) []
con mapT3T (f :: (Type * Type * Type) -> Type) = fold (fn nm t acc [[nm] ~ acc] =>
[nm = f t] ++ acc) []
con ex = fn tf :: (Type -> Type) =>
res ::: Type -> (choice :: Type -> tf choice -> res) -> res
fun ex (tf :: (Type -> Type)) (choice :: Type) (body : tf choice) : ex tf =
fn (res ::: Type) (f : choice :: Type -> tf choice -> res) =>
f [choice] body
fun compose (t1 ::: Type) (t2 ::: Type) (t3 ::: Type)
(f1 : t2 -> t3) (f2 : t1 -> t2) (x : t1) = f1 (f2 x)
fun txt (t ::: Type) (ctx ::: {Unit}) (use ::: {Type}) (sh : show t) (v : t) =
cdata (@show sh v)
fun foldUR (tf :: Type) (tr :: {Unit} -> Type)
(f : nm :: Name -> rest :: {Unit}
-> fn [[nm] ~ rest] =>
tf -> tr rest -> tr ([nm] ++ rest))
(i : tr []) =
fold [fn r :: {Unit} => $(mapUT tf r) -> tr r]
(fn (nm :: Name) (t :: Unit) (rest :: {Unit}) acc
[[nm] ~ rest] r =>
f [nm] [rest] r.nm (acc (r -- nm)))
(fn _ => i)
fun foldUR2 (tf1 :: Type) (tf2 :: Type) (tr :: {Unit} -> Type)
(f : nm :: Name -> rest :: {Unit}
-> fn [[nm] ~ rest] =>
tf1 -> tf2 -> tr rest -> tr ([nm] ++ rest))
(i : tr []) =
fold [fn r :: {Unit} => $(mapUT tf1 r) -> $(mapUT tf2 r) -> tr r]
(fn (nm :: Name) (t :: Unit) (rest :: {Unit}) acc
[[nm] ~ rest] r1 r2 =>
f [nm] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm)))
(fn _ _ => i)
fun foldURX2 (tf1 :: Type) (tf2 :: Type) (ctx :: {Unit})
(f : nm :: Name -> rest :: {Unit}
-> fn [[nm] ~ rest] =>
tf1 -> tf2 -> xml ctx [] []) =
foldUR2 [tf1] [tf2] [fn _ => xml ctx [] []]
(fn (nm :: Name) (rest :: {Unit}) [[nm] ~ rest] v1 v2 acc =>
<xml>{f [nm] [rest] v1 v2}{acc}</xml>)
<xml/>
fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type)
(f : nm :: Name -> t :: Type -> rest :: {Type}
-> fn [[nm] ~ rest] =>
tf t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {Type} => $(mapTT tf r) -> tr r]
(fn (nm :: Name) (t :: Type) (rest :: {Type}) (acc : _ -> tr rest)
[[nm] ~ rest] r =>
f [nm] [t] [rest] r.nm (acc (r -- nm)))
(fn _ => i)
fun foldT2R (tf :: (Type * Type) -> Type) (tr :: {(Type * Type)} -> Type)
(f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)}
-> fn [[nm] ~ rest] =>
tf t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {(Type * Type)} => $(mapT2T tf r) -> tr r]
(fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)})
(acc : _ -> tr rest) [[nm] ~ rest] r =>
f [nm] [t] [rest] r.nm (acc (r -- nm)))
(fn _ => i)
fun foldT3R (tf :: (Type * Type * Type) -> Type) (tr :: {(Type * Type * Type)} -> Type)
(f : nm :: Name -> t :: (Type * Type * Type) -> rest :: {(Type * Type * Type)}
-> fn [[nm] ~ rest] =>
tf t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {(Type * Type * Type)} => $(mapT3T tf r) -> tr r]
(fn (nm :: Name) (t :: (Type * Type * Type)) (rest :: {(Type * Type * Type)})
(acc : _ -> tr rest) [[nm] ~ rest] r =>
f [nm] [t] [rest] r.nm (acc (r -- nm)))
(fn _ => i)
fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type)
(f : nm :: Name -> t :: Type -> rest :: {Type}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {Type} => $(mapTT tf1 r) -> $(mapTT tf2 r) -> tr r]
(fn (nm :: Name) (t :: Type) (rest :: {Type})
(acc : _ -> _ -> tr rest) [[nm] ~ rest] r1 r2 =>
f [nm] [t] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm)))
(fn _ _ => i)
fun foldT2R2 (tf1 :: (Type * Type) -> Type) (tf2 :: (Type * Type) -> Type)
(tr :: {(Type * Type)} -> Type)
(f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {(Type * Type)} => $(mapT2T tf1 r) -> $(mapT2T tf2 r) -> tr r]
(fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)})
(acc : _ -> _ -> tr rest) [[nm] ~ rest] r1 r2 =>
f [nm] [t] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm)))
(fn _ _ => i)
fun foldT3R2 (tf1 :: (Type * Type * Type) -> Type) (tf2 :: (Type * Type * Type) -> Type)
(tr :: {(Type * Type * Type)} -> Type)
(f : nm :: Name -> t :: (Type * Type * Type) -> rest :: {(Type * Type * Type)}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest))
(i : tr []) =
fold [fn r :: {(Type * Type * Type)} => $(mapT3T tf1 r) -> $(mapT3T tf2 r) -> tr r]
(fn (nm :: Name) (t :: (Type * Type * Type)) (rest :: {(Type * Type * Type)})
(acc : _ -> _ -> tr rest) [[nm] ~ rest] r1 r2 =>
f [nm] [t] [rest] r1.nm r2.nm (acc (r1 -- nm) (r2 -- nm)))
(fn _ _ => i)
fun foldTRX (tf :: Type -> Type) (ctx :: {Unit})
(f : nm :: Name -> t :: Type -> rest :: {Type}
-> fn [[nm] ~ rest] =>
tf t -> xml ctx [] []) =
foldTR [tf] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: Type) (rest :: {Type}) [[nm] ~ rest] r acc =>
<xml>{f [nm] [t] [rest] r}{acc}</xml>)
<xml/>
fun foldT2RX (tf :: (Type * Type) -> Type) (ctx :: {Unit})
(f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)}
-> fn [[nm] ~ rest] =>
tf t -> xml ctx [] []) =
foldT2R [tf] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)})
[[nm] ~ rest] r acc =>
<xml>{f [nm] [t] [rest] r}{acc}</xml>)
<xml/>
fun foldT3RX (tf :: (Type * Type * Type) -> Type) (ctx :: {Unit})
(f : nm :: Name -> t :: (Type * Type * Type) -> rest :: {(Type * Type * Type)}
-> fn [[nm] ~ rest] =>
tf t -> xml ctx [] []) =
foldT3R [tf] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: (Type * Type * Type)) (rest :: {(Type * Type * Type)})
[[nm] ~ rest] r acc =>
<xml>{f [nm] [t] [rest] r}{acc}</xml>)
<xml/>
fun foldTRX2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (ctx :: {Unit})
(f : nm :: Name -> t :: Type -> rest :: {Type}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> xml ctx [] []) =
foldTR2 [tf1] [tf2] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: Type) (rest :: {Type}) [[nm] ~ rest]
r1 r2 acc =>
<xml>{f [nm] [t] [rest] r1 r2}{acc}</xml>)
<xml/>
fun foldT2RX2 (tf1 :: (Type * Type) -> Type) (tf2 :: (Type * Type) -> Type)
(ctx :: {Unit})
(f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> xml ctx [] []) =
foldT2R2 [tf1] [tf2] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)})
[[nm] ~ rest] r1 r2 acc =>
<xml>{f [nm] [t] [rest] r1 r2}{acc}</xml>)
<xml/>
fun foldT3RX2 (tf1 :: (Type * Type * Type) -> Type) (tf2 :: (Type * Type * Type) -> Type)
(ctx :: {Unit})
(f : nm :: Name -> t :: (Type * Type * Type) -> rest :: {(Type * Type * Type)}
-> fn [[nm] ~ rest] =>
tf1 t -> tf2 t -> xml ctx [] []) =
foldT3R2 [tf1] [tf2] [fn _ => xml ctx [] []]
(fn (nm :: Name) (t :: (Type * Type * Type)) (rest :: {(Type * Type * Type)})
[[nm] ~ rest] r1 r2 acc =>
<xml>{f [nm] [t] [rest] r1 r2}{acc}</xml>)
<xml/>
fun queryX (tables ::: {{Type}}) (exps ::: {Type}) (ctx ::: {Unit})
(q : sql_query tables exps) [tables ~ exps]
(f : $(exps ++ fold (fn nm (fields :: {Type}) acc [[nm] ~ acc] =>
[nm = $fields] ++ acc) [] tables)
-> xml ctx [] []) =
query q
(fn fs acc => return <xml>{acc}{f fs}</xml>)
<xml/>
fun queryX' (tables ::: {{Type}}) (exps ::: {Type}) (ctx ::: {Unit})
(q : sql_query tables exps) [tables ~ exps]
(f : $(exps ++ fold (fn nm (fields :: {Type}) acc [[nm] ~ acc] =>
[nm = $fields] ++ acc) [] tables)
-> transaction (xml ctx [] [])) =
query q
(fn fs acc =>
r <- f fs;
return <xml>{acc}{r}</xml>)
<xml/>
fun oneOrNoRows (tables ::: {{Type}}) (exps ::: {Type})
(q : sql_query tables exps) [tables ~ exps] =
query q
(fn fs _ => return (Some fs))
None
fun oneRow (tables ::: {{Type}}) (exps ::: {Type})
(q : sql_query tables exps) [tables ~ exps] =
o <- oneOrNoRows q;
return (case o of
None => error <xml>Query returned no rows</xml>
| Some r => r)
fun eqNullable (tables ::: {{Type}}) (agg ::: {{Type}}) (exps ::: {Type})
(t ::: Type) (_ : sql_injectable (option t))
(e1 : sql_exp tables agg exps (option t))
(e2 : sql_exp tables agg exps (option t)) =
(SQL ({e1} IS NULL AND {e2} IS NULL) OR {e1} = {e2})
fun eqNullable' (tables ::: {{Type}}) (agg ::: {{Type}}) (exps ::: {Type})
(t ::: Type) (inj : sql_injectable (option t))
(e1 : sql_exp tables agg exps (option t))
(e2 : option t) =
case e2 of
None => (SQL {e1} IS NULL)
| Some _ => sql_binary sql_eq e1 (@sql_inject inj e2)
|
