aboutsummaryrefslogtreecommitdiff
path: root/lux-python/source/program.lux
blob: 34f527aed66dfe2bf79904cd2525d9fa542ea900 (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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
(.module:
  [library
   [lux "*"
    [program {"+" [program:]}]
    ["." ffi {"+" [import:]}]
    [abstract
     [monad {"+" [do]}]]
    [control
     [pipe {"+" [new>]}]
     ["." maybe]
     ["." try {"+" [Try]}]
     ["." exception {"+" [exception:]}]
     ["." io {"+" [IO io]}]
     ["." function]
     [concurrency
      ["." async {"+" [Async]}]]]
    [data
     ["." text ("#\." hash)
      ["%" format {"+" [format]}]
      [encoding
       ["." utf8]]]
     [collection
      ["." array {"+" [Array]}]
      ["." list]]]
    [macro
     ["." template]]
    [math
     [number
      ["n" nat]
      ["." i64]]]
    ["." world "_"
     ["." file]
     ["#/." program]]
    ["@" target
     ["_" python]]
    [tool
     [compiler
      ["." phase {"+" [Operation Phase]}]
      [reference
       [variable {"+" [Register]}]]
      [language
       [lux
        [program {"+" [Program]}]
        [generation {"+" [Context Host]}]
        ["." synthesis]
        [analysis
         [macro {"+" [Expander]}]]
        [phase
         ["." extension {"+" [Extender Handler]}
          ["#/." bundle]
          ["." analysis "_"
           ["#" python]]
          ["." generation "_"
           ["#" python]]]
         [generation
          ["." reference]
          ["." python
           ["." runtime]]]]]]
      [default
       ["." platform {"+" [Platform]}]]
      [meta
       [archive {"+" [Archive]}]
       ["." packager "_"
        ["#" script]]]]]]]
  [program
   ["/" compositor
    ["/." cli]
    ["/." static]]])

(with_expansions [<jvm> (as_is (import: java/lang/String)
                               
                               (import: (java/lang/Class a))

                               (import: java/lang/Object
                                 ["#::."
                                  (new [])
                                  (toString [] java/lang/String)
                                  (getClass [] (java/lang/Class java/lang/Object))])

                               (import: org/python/core/PyNone)
                               (import: org/python/core/PyBoolean)
                               (import: org/python/core/PyInteger)
                               (import: org/python/core/PyLong)
                               (import: org/python/core/PyFloat)
                               (import: org/python/core/PyTuple)
                               (import: org/python/core/PyList)

                               (import: org/python/core/PyString
                                 ["#::."
                                  (new [java/lang/String])])

                               (import: org/python/core/PyObject
                                 ["#::."
                                  ... (asInt [] int)
                                  (asLong [] long)
                                  (asDouble [] double)
                                  (asString [] java/lang/String)
                                  (__nonzero__ [] boolean)
                                  (__getitem__ [int] "try" org/python/core/PyObject)
                                  (__getitem__ "as" __getitem__dict [org/python/core/PyObject] "try" org/python/core/PyObject)
                                  (__len__ [] int)])

                               (import: org/python/core/PyFunction
                                 ["#::."
                                  (__call__ [[org/python/core/PyObject]] "try" org/python/core/PyObject)])

                               (import: org/python/core/ThreadState)

                               (import: org/python/core/PyArray
                                 ["#::."
                                  (new [(java/lang/Class [? < java/lang/Object]) java/lang/Object])
                                  (getArray [] java/lang/Object)])

                               (import: org/python/util/PythonInterpreter
                                 ["#::."
                                  (new [])
                                  (exec [java/lang/String] "try" void)
                                  (eval [java/lang/String] "try" PyObject)])

                               (type: Translator
                                 (-> org/python/core/PyObject (Try Any)))

                               (def: (read_tuple read host_object)
                                 (-> Translator Translator)
                                 (let [size (|> host_object org/python/core/PyObject::__len__ .nat)]
                                   (loop [idx 0
                                          output (:as (Array Any)
                                                      (array.empty size))]
                                     (if (n.< size idx)
                                       (case (org/python/core/PyObject::__getitem__ (.int idx) host_object)
                                         (#try.Failure try)
                                         (#try.Failure try)
                                         
                                         (#try.Success value)
                                         (case (read value)
                                           (#try.Failure try)
                                           (#try.Failure try)

                                           (#try.Success lux_value)
                                           (recur (++ idx) (array.write! idx lux_value output))))
                                       (#try.Success output)))))

                               (exception: (unknown_kind_of_object {object java/lang/Object})
                                 (exception.report
                                  ["Object" (java/lang/Object::toString object)]))

                               (def: (read_variant read host_object)
                                 (-> Translator Translator)
                                 (case [(org/python/core/PyObject::__getitem__ +0 host_object)
                                        (org/python/core/PyObject::__getitem__ +1 host_object)
                                        (org/python/core/PyObject::__getitem__ +2 host_object)]
                                   (^or [(#try.Failure try) _ _]
                                        [_ (#try.Failure try) _]
                                        [_ _ (#try.Failure try)])
                                   (#try.Failure try)
                                   
                                   (^multi [(#try.Success tag) (#try.Success flag) (#try.Success value)]
                                           {(read tag)
                                            (#try.Success tag)}
                                           {(read value)
                                            (#try.Success value)})
                                   (#try.Success [tag
                                                  (: Any
                                                     (case (ffi.check org/python/core/PyNone
                                                                      (:as java/lang/Object flag))
                                                       (#.Some _)
                                                       (:as Any (ffi.null))

                                                       #.None
                                                       (:as Any synthesis.unit)))
                                                  value])

                                   _
                                   (exception.except ..unknown_kind_of_object [(:as java/lang/Object host_object)])))

                               (def: (read host_object)
                                 Translator
                                 (`` (<| (~~ (template [<class> <processing>]
                                               [(case (ffi.check <class> (:as <class> host_object))
                                                  (#.Some host_object)
                                                  (#try.Success (`` (|> host_object (~~ (template.spliced <processing>)))))

                                                  _)]

                                               [org/python/core/PyNone [(new> [] [])]]
                                               [org/python/core/PyBoolean [org/python/core/PyObject::__nonzero__]]
                                               ... [org/python/core/PyInteger [(ffi.:as org/python/core/PyObject) org/python/core/PyObject::asInt]]
                                               [org/python/core/PyInteger [(ffi.:as org/python/core/PyObject)
                                                                           ("jvm member invoke virtual" [] "org.python.core.PyObject" "asInt" [])
                                                                           "jvm object cast"
                                                                           (: (primitive "java.lang.Integer"))]]
                                               [org/python/core/PyLong [org/python/core/PyObject::asLong]]
                                               [org/python/core/PyFloat [org/python/core/PyObject::asDouble]]
                                               [org/python/core/PyString [org/python/core/PyObject::asString]]
                                               [org/python/core/PyFunction []]
                                               [org/python/core/PyArray [org/python/core/PyArray::getArray]]
                                               [[java/lang/Object] [(|>)]]
                                               ))
                                         (~~ (template [<class> <processing>]
                                               [(case (ffi.check <class> host_object)
                                                  (#.Some host_object)
                                                  (<| <processing> (:as org/python/core/PyObject) host_object)

                                                  _)]

                                               [org/python/core/PyTuple (..read_variant read)]
                                               [org/python/core/PyList (..read_tuple read)]
                                               ))
                                         ... (exception.except ..unknown_kind_of_object [(:as java/lang/Object host_object)])
                                         (#try.Success host_object))))

                               (exception: (cannot_apply_a_non_function {object java/lang/Object})
                                 (exception.report
                                  ["Non-function" (java/lang/Object::toString object)]))

                               (def: (ensure_macro macro)
                                 (-> Macro (Maybe org/python/core/PyFunction))
                                 (ffi.check org/python/core/PyFunction (:as java/lang/Object macro)))

                               (def: object_class
                                 (java/lang/Class java/lang/Object)
                                 (java/lang/Object::getClass (java/lang/Object::new)))

                               (def: to_host
                                 (-> Any org/python/core/PyObject)
                                 (|>> (:as java/lang/Object)
                                      (org/python/core/PyArray::new ..object_class)
                                      (:as org/python/core/PyObject)))

                               (def: ensure_function
                                 (-> Any (Maybe org/python/core/PyFunction))
                                 (|>> (:as java/lang/Object)
                                      (ffi.check org/python/core/PyFunction)))
                               )]
  (for {@.old (as_is <jvm>)
        @.jvm (as_is <jvm>)
        @.python (as_is)}))

(with_expansions [<jvm> (as_is (def: (call_macro inputs lux macro)
                                 (-> (List Code) Lux org/python/core/PyFunction (Try (Try [Lux (List Code)])))
                                 (:expected
                                  (do try.monad
                                    [expansion (org/python/core/PyFunction::__call__ (|> (ffi.array org/python/core/PyObject 2)
                                                                                         (ffi.write! 0 (..to_host inputs))
                                                                                         (ffi.write! 1 (..to_host lux)))
                                                                                     macro)]
                                    (..read expansion))))

                               (def: (expander macro inputs lux)
                                 Expander
                                 (case (ensure_macro macro)
                                   (#.Some macro)
                                   (case (..call_macro inputs lux macro)
                                     (#try.Success output)
                                     (|> output
                                         (:as org/python/core/PyObject)
                                         ..read
                                         (:as (Try (Try [Lux (List Code)]))))

                                     (#try.Failure error)
                                     (#try.Failure error))

                                   #.None
                                   (exception.except ..cannot_apply_a_non_function (:as java/lang/Object macro)))))]
  (for {@.old (as_is <jvm>)
        @.jvm (as_is <jvm>)

        @.python
        (def: (expander macro inputs lux)
          Expander
          (#try.Success ((:as Macro' macro) inputs lux)))}))

(with_expansions [<jvm> (def: host
                          (IO (Host (_.Expression Any) (_.Statement Any)))
                          (io (let [interpreter (org/python/util/PythonInterpreter::new)
                                    evaluate! (: (-> Context (_.Expression Any) (Try Any))
                                                 (function (evaluate! context input)
                                                   (do try.monad
                                                     [output (org/python/util/PythonInterpreter::eval (_.code input) interpreter)]
                                                     (..read output))))
                                    execute! (: (-> (_.Statement Any) (Try Any))
                                                (function (execute! input)
                                                  (case (org/python/util/PythonInterpreter::exec (_.code input) interpreter)
                                                    (#try.Failure error)
                                                    (if (text.contains? "maximum recursion depth exceeded" error)
                                                      (execute! input)
                                                      (#try.Failure error))

                                                    output
                                                    output)))]
                                (: (Host (_.Expression Any) (_.Statement Any))
                                   (implementation
                                    (def: evaluate! evaluate!)
                                    (def: execute! execute!)
                                    (def: (define! context custom input)
                                      (let [global (maybe.else (reference.artifact context)
                                                               custom)
                                            @global (_.var global)]
                                        (do try.monad
                                          [.let [definition (_.set (list @global) input)]
                                           _ (execute! definition)
                                           value (evaluate! context @global)]
                                          (in [global value definition]))))

                                    (def: (ingest context content)
                                      (|> content
                                          (\ utf8.codec decoded)
                                          try.trusted
                                          (:as (_.Statement Any))))

                                    (def: (re_learn context custom content)
                                      (execute! content))
                                    
                                    (def: (re_load context custom content)
                                      (do try.monad
                                        [_ (execute! content)]
                                        (evaluate! context (_.var (reference.artifact context))))))))))]
  (for {@.old <jvm>
        @.jvm <jvm>

        @.python
        (as_is (import: (dict [] ffi.Dict))
               (import: (eval [ffi.String ffi.Dict] "try" Any))

               (def: host
                 (IO (Host (_.Expression Any) (_.Statement Any)))
                 (io (: (Host (_.Expression Any) (_.Statement Any))
                        (let [globals (..dict [])
                              evaluate! (: (-> Context (_.Expression Any) (Try Any))
                                           (function (evaluate! context input)
                                             (..eval [(_.code input) globals])))
                              execute! (: (-> (_.Statement Any) (Try Any))
                                          (function (execute! input)
                                            (ffi.try ("python exec" (_.code input) globals))))
                              define! (: (-> Context (_.Expression Any) (Try [Text Any (_.Statement Any)]))
                                         (function (define! context input)
                                           (let [global (reference.artifact context)
                                                 @global (_.var global)]
                                             (do try.monad
                                               [.let [definition (_.set (list @global) input)]
                                                _ (execute! definition)
                                                value (evaluate! context @global)]
                                               (in [global value definition])))))]
                          (implementation
                           (def: evaluate! evaluate!)
                           (def: execute! execute!)
                           (def: define! define!)

                           (def: (ingest context content)
                             (|> content (\ utf8.codec decoded) try.trusted (:as (_.Statement Any))))

                           (def: (re_learn context content)
                             (execute! content))
                           
                           (def: (re_load context content)
                             (do try.monad
                               [_ (execute! content)]
                               (evaluate! context (_.var (reference.artifact context)))))))))))}))

(with_expansions [<jvm> (as_is (exception: .public (invaid_phase_application {partial_application (List Any)}
                                                                             {arity Nat})
                                 (exception.report
                                  ["Partial Application" (%.nat (list.size partial_application))]
                                  ["Arity" (%.nat arity)]))

                               (def: (host_phase partial_application phase)
                                 (All (_ s i o)
                                   (-> (List Any) (Phase [extension.Bundle s] i o)
                                       org/python/core/PyObject))
                                 (<| (ffi.:as org/python/core/PyObject)
                                     (ffi.object [] org/python/core/PyObject []
                                       []
                                       ... Methods
                                       (org/python/core/PyObject
                                        [] (__call__ self
                                                     {inputs [org/python/core/PyObject]}
                                                     {keywords [java/lang/String]})
                                        org/python/core/PyObject
                                        (try.trusted
                                         (case (array.list #.None inputs)
                                           (^ (list))
                                           (\ try.monad in (host_phase (list) phase))
                                           
                                           (^ (list input/0))
                                           (do try.monad
                                             [input/0 (..read input/0)]
                                             (case partial_application
                                               (^ (list partial/0 partial/1))
                                               (in (..to_host ((:as (-> Any Any Any Any) phase)
                                                               partial/0
                                                               partial/1
                                                               input/0)))

                                               (^ (list partial/0))
                                               (in (host_phase (list partial/0 input/0) phase))
                                               
                                               (^ (list))
                                               (in (host_phase (list input/0) phase))

                                               _
                                               (exception.except ..invaid_phase_application [partial_application (array.size inputs)])))
                                           
                                           (^ (list input/0 input/1))
                                           (do try.monad
                                             [input/0 (..read input/0)
                                              input/1 (..read input/1)]
                                             (case partial_application
                                               (^ (list partial/0))
                                               (in (..to_host ((:as (-> Any Any Any Any) phase)
                                                               partial/0
                                                               input/0
                                                               input/1)))
                                               
                                               (^ (list))
                                               (in (host_phase (list input/0 input/1) phase))

                                               _
                                               (exception.except ..invaid_phase_application [partial_application (array.size inputs)])))
                                           
                                           (^ (list input/0 input/1 input/2))
                                           (do try.monad
                                             [input/0 (..read input/0)
                                              input/1 (..read input/1)
                                              input/2 (..read input/2)]
                                             (case partial_application
                                               (^ (list))
                                               (in (..to_host ((:as (-> Any Any Any Any) phase)
                                                               input/0
                                                               input/1
                                                               input/2)))
                                               
                                               _
                                               (exception.except ..invaid_phase_application [partial_application (array.size inputs)])))

                                           _
                                           (exception.except ..invaid_phase_application [partial_application (array.size inputs)])))))))
                               
                               (def: (extender phase_wrapper)
                                 (-> phase.Wrapper Extender)
                                 ... TODO: Stop relying on coercions ASAP.
                                 (<| (:as Extender)
                                     (function (_ handler))
                                     (:as Handler)
                                     (function (_ name phase))
                                     (:as Phase)
                                     (function (_ archive parameters))
                                     (:as Operation)
                                     (function (_ state))
                                     (:as Try)
                                     try.trusted
                                     (:as Try)
                                     (do try.monad
                                       [handler (try.of_maybe (..ensure_function handler))
                                        output (org/python/core/PyFunction::__call__ (|> (ffi.array org/python/core/PyObject 5)
                                                                                         (ffi.write! 0 (:as org/python/core/PyObject (org/python/core/PyString::new name)))
                                                                                         (ffi.write! 1 (:as org/python/core/PyObject (phase_wrapper phase)))
                                                                                         (ffi.write! 2 (..to_host archive))
                                                                                         (ffi.write! 3 (..to_host parameters))
                                                                                         (ffi.write! 4 (..to_host state)))
                                                                                     handler)]
                                       (..read output)))))]
  (for {@.old (as_is <jvm>)
        @.jvm (as_is <jvm>)

        @.python
        (def: (extender phase_wrapper handler)
          (-> phase.Wrapper Extender)
          (:expected handler))}))

(def: (phase_wrapper archive)
  (-> Archive (runtime.Operation phase.Wrapper))
  (do phase.monad
    []
    (in (:as phase.Wrapper
             (..host_phase (list))))))

(def: platform
  (IO (Platform Register (_.Expression Any) (_.Statement Any)))
  (do io.monad
    [host ..host]
    (in [#platform.&file_system (file.async file.default)
         #platform.host host
         #platform.phase python.generate
         #platform.runtime runtime.generate
         #platform.phase_wrapper ..phase_wrapper
         #platform.write (|>> _.code (\ utf8.codec encoded))])))

(def: (program context program)
  (Program (_.Expression Any) (_.Statement Any))
  ($_ _.then
      (_.import "sys")
      (_.when (_.= (_.string "__main__") (_.var "__name__"))
              (_.statement (_.apply/2 program
                                      (|> (_.var "sys") (_.the "argv")
                                          ... The first entry in the list will be the program.py file itself
                                          ... so, it must be removed so only the program's arguments are left.
                                          (_.slice_from (_.int +1))
                                          runtime.lux::program_args)
                                      _.none)))))

(def: (declare_success! _)
  (-> Any (Async Any))
  (async.future (\ world/program.default exit +0)))

(def: (scope body)
  (-> (_.Statement Any) (_.Statement Any))
  (let [@program (_.var "lux_program")
        max_recursion (|> (_.int +10) (_.** (_.int +6)))
        ; _.statement]
    (<| (_.comment "-*- coding: utf-8 -*-")
        ($_ _.then
            (; (|> (_.__import__/1 (_.unicode "sys"))
                   (_.do "setrecursionlimit" (list max_recursion))))
            (_.def @program (list) body)
            (; (_.apply/* @program (list)))
            ))))

(program: [service /cli.service]
  (let [extension ".py"]
    (exec
      (do async.monad
        [_ (/.compiler [#/static.host @.python
                        #/static.host_module_extension extension
                        #/static.target (/cli.target service)
                        #/static.artifact_extension extension]
                       ..expander
                       analysis.bundle
                       ..platform
                       generation.bundle
                       (function.constant extension/bundle.empty)
                       ..program
                       [Register
                        (type (_.Expression Any))
                        (type (_.Statement Any))]
                       ..extender
                       service
                       [(packager.package (: (_.Statement Any) (_.manual ""))
                                          _.code
                                          _.then
                                          ..scope)
                        (format (/cli.target service)
                                (\ file.default separator)
                                "program"
                                extension)])]
        (..declare_success! []))
      (io.io []))))