blob: 1167e975a9d5f34deffa4dad676ade317452b243 (
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
|
(.module:
[lux #- primitive]
(lux (control [monad #+ do]
["ex" exception #+ exception:]
[state])
(data [maybe]
[error]
[number]
[product]
text/format
(coll [list "list/" Functor<List> Fold<List> Monoid<List>]
(dictionary ["dict" unordered #+ Dict])))
(macro [code]
["s" syntax])
[lang]
(lang [".L" analysis #+ Analysis]
[".L" extension #+ Extension]))
[// #+ Synthesis]
[//function]
## (luxc (lang (synthesis [".S" case]
## [".S" loop])
## [".L" variable #+ Variable])
## )
)
(exception: #export (unknown-synthesis-extension {name Text})
name)
## (def: init-env (List Variable) (list))
## (def: init-resolver (Dict Int Int) (dict.new number.Hash<Int>))
## (def: (prepare-body inner-arity arity body)
## (-> ls.Arity ls.Arity Synthesis Synthesis)
## (if (//function.nested? inner-arity)
## body
## (loopS.reify-recursion arity body)))
## (def: (let$ register inputS bodyS)
## (-> Nat Synthesis Synthesis Synthesis)
## (` ("lux let" (~ (code.nat register)) (~ inputS) (~ bodyS))))
## (def: (if$ testS thenS elseS)
## (-> Synthesis Synthesis Synthesis Synthesis)
## (` ("lux if" (~ testS)
## (~ thenS)
## (~ elseS))))
## (def: (variant$ tag last? valueS)
## (-> Nat Bool Synthesis Synthesis)
## (` ((~ (code.nat tag)) (~ (code.bool last?)) (~ valueS))))
## (def: (var$ var)
## (-> Variable Synthesis)
## (` ((~ (code.int var)))))
## (def: (procedure$ name argsS)
## (-> Text (List Synthesis) Synthesis)
## (` ((~ (code.text name)) (~+ argsS))))
## (def: (call$ funcS argsS)
## (-> Synthesis (List Synthesis) Synthesis)
## (` ("lux call" (~ funcS) (~+ argsS))))
## (def: (synthesize-case arity num-locals synthesize inputA branchesA)
## (-> ls.Arity Nat (-> Nat Analysis Synthesis)
## Analysis (List [la.Pattern Analysis])
## Synthesis)
## (let [inputS (synthesize num-locals inputA)]
## (case (list.reverse branchesA)
## (^multi (^ (list [(^code ("lux case bind" (~ [_ (#.Nat input-register)])))
## (^code ((~ [_ (#.Int var)])))]))
## (not (variableL.captured? var))
## (n/= input-register (variableL.local-register var)))
## inputS
## (^ (list [(^code ("lux case bind" (~ [_ (#.Nat register)]))) bodyA]))
## (let$ (if (//function.nested? arity)
## (n/+ (dec arity) register)
## register)
## inputS
## (synthesize (inc num-locals) bodyA))
## (^or (^ (list [(^code true) thenA] [(^code false) elseA]))
## (^ (list [(^code false) elseA] [(^code true) thenA])))
## (if$ inputS (synthesize num-locals thenA) (synthesize num-locals elseA))
## (#.Cons [lastP lastA] prevsPA)
## (let [transform-branch (: (-> la.Pattern Analysis ls.Path)
## (caseS.path arity num-locals synthesize))
## pathS (list/fold caseS.weave
## (transform-branch lastP lastA)
## (list/map (product.uncurry transform-branch) prevsPA))]
## (` ("lux case" (~ inputS) (~ pathS))))
## _
## (undefined)
## )))
(def: (primitive analysis)
(-> analysisL.Primitive //.Primitive)
(case analysis
#analysisL.Unit
(#//.Text //.unit)
(^template [<analysis> <synthesis>]
(<analysis> value)
(<synthesis> value))
([#analysisL.Bool #//.Bool]
[#analysisL.Frac #//.F64]
[#analysisL.Text #//.Text])
(^template [<analysis> <synthesis>]
(<analysis> value)
(<synthesis> (.i64 value)))
([#analysisL.Nat #//.I64]
[#analysisL.Int #//.I64]
[#analysisL.Deg #//.I64])))
(def: Compiler@Monad (state.Monad<State'> error.Monad<Error>))
(open: "compiler/" Compiler@Monad)
(def: #export (synthesizer extensions)
(-> (Extension extensionL.Synthesis) //.Synthesizer)
(function (synthesize analysis)
(case analysis
(#analysisL.Primitive analysis')
(compiler/wrap (#//.Primitive (..primitive analysis')))
(#analysisL.Structure composite)
(case (analysisL.variant analysis)
(#.Some variant)
(do Compiler@Monad
[valueS (synthesize (get@ #analysisL.value variant))]
(wrap (#//.Structure (#//.Variant (set@ #analysisL.value valueS variant)))))
_
(do Compiler@Monad
[tupleS (monad.map @ synthesize (analysisL.tuple analysis))]
(wrap (#//.Structure (#//.Tuple tupleS)))))
(#analysisL.Apply _)
(//function.apply (//.indirectly synthesize) analysis)
(#analysisL.Special name args)
(case (dict.get name extensions)
#.None
(//.throw unknown-synthesis-extension name)
(#.Some extension)
(extension (//.indirectly synthesize) args))
_
(undefined)
## (^code ((~ [_ (#.Int var)])))
## (if (variableL.local? var)
## (if (//function.nested? arity)
## (if (variableL.self? var)
## (call$ (var$ 0) (|> (list.n/range +1 (dec arity))
## (list/map (|>> variableL.local code.int (~) () (`)))))
## (var$ (//function.adjust-var arity var)))
## (var$ var))
## (var$ (maybe.default var (dict.get var resolver))))
## (^code ("lux case" (~ inputA) (~ [_ (#.Record branchesA)])))
## (synthesize-case arity num-locals (//.indirectly synthesize) inputA branchesA)
## (^multi (^code ("lux function" [(~+ scope)] (~ bodyA)))
## [(s.run scope (p.some s.int)) (#error.Success raw-env)])
## (let [function-arity (if direct?
## (inc arity)
## +1)
## env (list/map (function (_ closure)
## (case (dict.get closure resolver)
## (#.Some resolved)
## (if (and (variableL.local? resolved)
## (//function.nested? arity)
## (|> resolved variableL.local-register (n/>= arity)))
## (//function.adjust-var arity resolved)
## resolved)
## #.None
## (if (and (variableL.local? closure)
## (//function.nested? arity))
## (//function.adjust-var arity closure)
## closure)))
## raw-env)
## env-vars (: (List Variable)
## (case raw-env
## #.Nil (list)
## _ (|> (list.size raw-env) dec (list.n/range +0) (list/map variableL.captured))))
## resolver' (if (and (//function.nested? function-arity)
## direct?)
## (list/fold (function (_ [from to] resolver')
## (dict.put from to resolver'))
## init-resolver
## (list.zip2 env-vars env))
## (list/fold (function (_ var resolver')
## (dict.put var var resolver'))
## init-resolver
## env-vars))]
## (case (recur function-arity resolver' true function-arity bodyA)
## (^ [_ (#.Form (list [_ (#.Text "lux function")] [_ (#.Nat unmerged-arity)] env' bodyS'))])
## (let [merged-arity (inc unmerged-arity)]
## (function$ merged-arity env
## (prepare-body function-arity merged-arity bodyS')))
## bodyS
## (function$ +1 env (prepare-body function-arity +1 bodyS))))
)))
|
