aboutsummaryrefslogtreecommitdiff
path: root/new-luxc/source/luxc/lang/translation/statement.jvm.lux
blob: df7e26741f67905e8999b433413269856bb3dc4b (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
(;module:
  lux
  (lux (control monad
                ["ex" exception #+ exception:])
       (data ["e" error]
             [maybe]
             [text "text/" Monoid<Text> Hash<Text>]
             text/format
             (coll [list "list/" Functor<List> Fold<List>]))
       [macro]
       [host])
  (luxc ["&" lang]
        ["&;" io]
        (lang (host ["$" jvm]
                    (jvm ["$t" type]
                         ["$d" def]
                         ["$i" inst]))
              ["&;" scope]
              ["&;" module]
              (translation [";T" eval]
                           [";T" common]))))

(exception: #export Invalid-Definition-Value)
(exception: #export Cannot-Evaluate-Definition)

(host;import java.lang.Object
  (toString [] String))

(host;import java.lang.reflect.Field
  (get [#? Object] #try #? Object))

(host;import (java.lang.Class c)
  (getField [String] #try Field))

(def: #export (translate-def def-name valueT valueI metaI metaV)
  (-> Text Type $;Inst $;Inst Code (Meta Unit))
  (do macro;Monad<Meta>
    [current-module macro;current-module-name
     #let [def-ident [current-module def-name]]]
    (case (macro;get-symbol-ann (ident-for #;alias) metaV)
      (#;Some real-def)
      (do @
        [[realT realA realV] (macro;find-def real-def)
         _ (&module;define def-ident [realT metaV realV])]
        (wrap []))

      _
      (do @
        [#let [normal-name (format (&;normalize-name def-name) (%n (text/hash def-name)))
               bytecode-name (format current-module "/" normal-name)
               class-name (format (text;replace-all "/" "." current-module) "." normal-name)
               bytecode ($d;class #$;V1.6
                                  #$;Public $;finalC
                                  bytecode-name
                                  (list) ["java.lang.Object" (list)]
                                  (list)
                                  (|>. ($d;field #$;Public ($;++F $;finalF $;staticF) commonT;value-field commonT;$Object)
                                       ($d;method #$;Public $;staticM "<clinit>" ($t;method (list) #;None (list))
                                                  (|>. valueI
                                                       ($i;PUTSTATIC bytecode-name commonT;value-field commonT;$Object)
                                                       $i;RETURN))))]
         _ (commonT;store-class class-name bytecode)
         class (commonT;load-class class-name)
         valueV (: (Meta Top)
                   (case (do e;Monad<Error>
                           [field (Class.getField [commonT;value-field] class)]
                           (Field.get [#;None] field))
                     (#e;Success #;None)
                     (&;throw Invalid-Definition-Value (%ident def-ident))
                     
                     (#e;Success (#;Some valueV))
                     (wrap valueV)
                     
                     (#e;Error error)
                     (&;throw Cannot-Evaluate-Definition
                              (format "Definition: " (%ident def-ident) "\n"
                                      "Error:\n"
                                      error))))
         _ (&module;define def-ident [valueT metaV valueV])
         _ (if (macro;type? metaV)
             (case (macro;declared-tags metaV)
               #;Nil
               (wrap [])

               tags
               (&module;declare-tags tags (macro;export? metaV) (:! Type valueV)))
             (wrap []))
         #let [_ (log! (format "DEF " (%ident def-ident)))]]
        (commonT;record-artifact (format bytecode-name ".class") bytecode)))))

(def: #export (translate-program program-args programI)
  (-> Text $;Inst (Meta Unit))
  (&;fail "\"lux program\" is unimplemented."))