aboutsummaryrefslogtreecommitdiff
path: root/lux-jvm/source/luxc/lang/host/jvm/def.lux
blob: 0f841ba96c22f859a05b4a95bd1dae726680bc42 (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
(.module:
  [lux (#- Type)
   ["." host (#+ import: do-to)]
   [control
    ["." function]]
   [data
    ["." product]
    [number
     ["i" int]]
    ["." text
     ["%" format (#+ format)]]
    [collection
     ["." array (#+ Array)]
     ["." list ("#@." functor)]]]
   [target
    [jvm
     [encoding
      ["." name]]
     ["." type (#+ Type Constraint)
      [category (#+ Class Value Method)]
      ["." signature]
      ["." descriptor]]]]]
  ["." //])

(def: signature (|>> type.signature signature.signature))
(def: descriptor (|>> type.descriptor descriptor.descriptor))
(def: class-name (|>> type.descriptor descriptor.class-name name.read))

(import: java/lang/Object)
(import: java/lang/String)

(import: org/objectweb/asm/Opcodes
  (#static ACC_PUBLIC int)
  (#static ACC_PROTECTED int)
  (#static ACC_PRIVATE int)

  (#static ACC_TRANSIENT int)
  (#static ACC_VOLATILE int)

  (#static ACC_ABSTRACT int)
  (#static ACC_FINAL int)
  (#static ACC_STATIC int)
  (#static ACC_SYNCHRONIZED int)
  (#static ACC_STRICT int)

  (#static ACC_SUPER int)
  (#static ACC_INTERFACE int)

  (#static V1_1 int)
  (#static V1_2 int)
  (#static V1_3 int)
  (#static V1_4 int)
  (#static V1_5 int)
  (#static V1_6 int)
  (#static V1_7 int)
  (#static V1_8 int)
  )

(import: org/objectweb/asm/FieldVisitor
  (visitEnd [] void))

(import: org/objectweb/asm/MethodVisitor
  (visitCode [] void)
  (visitMaxs [int int] void)
  (visitEnd [] void))

(import: org/objectweb/asm/ClassWriter
  (#static COMPUTE_MAXS int)
  (#static COMPUTE_FRAMES int)
  (new [int])
  (visit [int int java/lang/String java/lang/String java/lang/String [java/lang/String]] void)
  (visitEnd [] void)
  (visitField [int java/lang/String java/lang/String java/lang/String java/lang/Object] org/objectweb/asm/FieldVisitor)
  (visitMethod [int java/lang/String java/lang/String java/lang/String [java/lang/String]] org/objectweb/asm/MethodVisitor)
  (toByteArray [] [byte]))

(def: (string-array values)
  (-> (List Text) (Array Text))
  (let [output (host.array java/lang/String (list.size values))]
    (exec (list@map (function (_ [idx value])
                      (host.array-write idx value output))
                    (list.enumeration values))
      output)))

(def: (version-flag version)
  (-> //.Version Int)
  (case version
    #//.V1_1 (org/objectweb/asm/Opcodes::V1_1)
    #//.V1_2 (org/objectweb/asm/Opcodes::V1_2)
    #//.V1_3 (org/objectweb/asm/Opcodes::V1_3)
    #//.V1_4 (org/objectweb/asm/Opcodes::V1_4)
    #//.V1_5 (org/objectweb/asm/Opcodes::V1_5)
    #//.V1_6 (org/objectweb/asm/Opcodes::V1_6)
    #//.V1_7 (org/objectweb/asm/Opcodes::V1_7)
    #//.V1_8 (org/objectweb/asm/Opcodes::V1_8)))

(def: (visibility-flag visibility)
  (-> //.Visibility Int)
  (case visibility
    #//.Public    (org/objectweb/asm/Opcodes::ACC_PUBLIC)
    #//.Protected (org/objectweb/asm/Opcodes::ACC_PROTECTED)
    #//.Private   (org/objectweb/asm/Opcodes::ACC_PRIVATE)
    #//.Default   +0))

(def: (class-flags config)
  (-> //.Class-Config Int)
  ($_ i.+
      (if (get@ #//.finalC config) (org/objectweb/asm/Opcodes::ACC_FINAL) +0)))

(def: (method-flags config)
  (-> //.Method-Config Int)
  ($_ i.+
      (if (get@ #//.staticM config) (org/objectweb/asm/Opcodes::ACC_STATIC) +0)
      (if (get@ #//.finalM config) (org/objectweb/asm/Opcodes::ACC_FINAL) +0)
      (if (get@ #//.synchronizedM config) (org/objectweb/asm/Opcodes::ACC_SYNCHRONIZED) +0)
      (if (get@ #//.strictM config) (org/objectweb/asm/Opcodes::ACC_STRICT) +0)))

(def: (field-flags config)
  (-> //.Field-Config Int)
  ($_ i.+
      (if (get@ #//.staticF config) (org/objectweb/asm/Opcodes::ACC_STATIC) +0)
      (if (get@ #//.finalF config) (org/objectweb/asm/Opcodes::ACC_FINAL) +0)
      (if (get@ #//.transientF config) (org/objectweb/asm/Opcodes::ACC_TRANSIENT) +0)
      (if (get@ #//.volatileF config) (org/objectweb/asm/Opcodes::ACC_VOLATILE) +0)))

(def: param-signature
  (-> (Type Class) Text)
  (|>> ..signature (format ":")))

(def: (formal-param [name super interfaces])
  (-> Constraint Text)
  (format name
          (param-signature super)
          (|> interfaces
              (list@map param-signature)
              (text.join-with ""))))

(def: (constraints-signature constraints super interfaces)
  (-> (List Constraint) (Type Class) (List (Type Class))
      Text)
  (let [formal-params (if (list.empty? constraints)
                        ""
                        (format "<"
                                (|> constraints
                                    (list@map formal-param)
                                    (text.join-with ""))
                                ">"))]
    (format formal-params
            (..signature super)
            (|> interfaces
                (list@map ..signature)
                (text.join-with "")))))

(def: class-computes
  Int
  ($_ i.+
      (org/objectweb/asm/ClassWriter::COMPUTE_MAXS)
      ## (org/objectweb/asm/ClassWriter::COMPUTE_FRAMES)
      ))

(def: binary-name (|>> name.internal name.read))

(template [<name> <flag>]
  [(def: #export (<name> version visibility config name constraints super interfaces
                         definitions)
     (-> //.Version //.Visibility //.Class-Config Text (List Constraint) (Type Class) (List (Type Class)) //.Def
         (host.type [byte]))
     (let [writer (|> (do-to (org/objectweb/asm/ClassWriter::new class-computes)
                        (org/objectweb/asm/ClassWriter::visit (version-flag version)
                                                              ($_ i.+
                                                                  (org/objectweb/asm/Opcodes::ACC_SUPER)
                                                                  <flag>
                                                                  (visibility-flag visibility)
                                                                  (class-flags config))
                                                              (..binary-name name)
                                                              (constraints-signature constraints super interfaces)
                                                              (..class-name super)
                                                              (|> interfaces
                                                                  (list@map ..class-name)
                                                                  string-array)))
                      definitions)
           _ (org/objectweb/asm/ClassWriter::visitEnd writer)]
       (org/objectweb/asm/ClassWriter::toByteArray writer)))]

  [class    +0]
  [abstract (org/objectweb/asm/Opcodes::ACC_ABSTRACT)]
  )

(def: $Object
  (Type Class)
  (type.class "java.lang.Object" (list)))

(def: #export (interface version visibility config name constraints interfaces
                         definitions)
  (-> //.Version //.Visibility //.Class-Config Text (List Constraint) (List (Type Class)) //.Def
      (host.type [byte]))
  (let [writer (|> (do-to (org/objectweb/asm/ClassWriter::new class-computes)
                     (org/objectweb/asm/ClassWriter::visit (version-flag version)
                                                           ($_ i.+
                                                               (org/objectweb/asm/Opcodes::ACC_SUPER)
                                                               (org/objectweb/asm/Opcodes::ACC_INTERFACE)
                                                               (visibility-flag visibility)
                                                               (class-flags config))
                                                           (..binary-name name)
                                                           (constraints-signature constraints $Object interfaces)
                                                           (..class-name $Object)
                                                           (|> interfaces
                                                               (list@map ..class-name)
                                                               string-array)))
                   definitions)
        _ (org/objectweb/asm/ClassWriter::visitEnd writer)]
    (org/objectweb/asm/ClassWriter::toByteArray writer)))

(def: #export (method visibility config name type then)
  (-> //.Visibility //.Method-Config Text (Type Method) //.Inst
      //.Def)
  (function (_ writer)
    (let [=method (org/objectweb/asm/ClassWriter::visitMethod ($_ i.+
                                                                  (visibility-flag visibility)
                                                                  (method-flags config))
                                                              (..binary-name name)
                                                              (..descriptor type)
                                                              (..signature type)
                                                              (string-array (list))
                                                              writer)
          _ (org/objectweb/asm/MethodVisitor::visitCode =method)
          _ (then =method)
          _ (org/objectweb/asm/MethodVisitor::visitMaxs +0 +0 =method)
          _ (org/objectweb/asm/MethodVisitor::visitEnd =method)]
      writer)))

(def: #export (abstract-method visibility config name type)
  (-> //.Visibility //.Method-Config Text (Type Method)
      //.Def)
  (function (_ writer)
    (let [=method (org/objectweb/asm/ClassWriter::visitMethod ($_ i.+
                                                                  (visibility-flag visibility)
                                                                  (method-flags config)
                                                                  (org/objectweb/asm/Opcodes::ACC_ABSTRACT))
                                                              (..binary-name name)
                                                              (..descriptor type)
                                                              (..signature type)
                                                              (string-array (list))
                                                              writer)
          _ (org/objectweb/asm/MethodVisitor::visitEnd =method)]
      writer)))

(def: #export (field visibility config name type)
  (-> //.Visibility //.Field-Config Text (Type Value) //.Def)
  (function (_ writer)
    (let [=field (do-to (org/objectweb/asm/ClassWriter::visitField ($_ i.+
                                                                       (visibility-flag visibility)
                                                                       (field-flags config))
                                                                   (..binary-name name)
                                                                   (..descriptor type)
                                                                   (..signature type)
                                                                   (host.null)
                                                                   writer)
                   (org/objectweb/asm/FieldVisitor::visitEnd))]
      writer)))

(template [<name> <lux-type> <jvm-type> <prepare>]
  [(def: #export (<name> visibility config name value)
     (-> //.Visibility //.Field-Config Text <lux-type> //.Def)
     (function (_ writer)
       (let [=field (do-to (org/objectweb/asm/ClassWriter::visitField ($_ i.+
                                                                          (visibility-flag visibility)
                                                                          (field-flags config))
                                                                      (..binary-name name)
                                                                      (..descriptor <jvm-type>)
                                                                      (..signature <jvm-type>)
                                                                      (<prepare> value)
                                                                      writer)
                      (org/objectweb/asm/FieldVisitor::visitEnd))]
         writer)))]

  [boolean-field Bit  type.boolean                           function.identity]
  [byte-field    Int  type.byte                              host.long-to-byte]
  [short-field   Int  type.short                             host.long-to-short]
  [int-field     Int  type.int                               host.long-to-int]
  [long-field    Int  type.long                              function.identity]
  [float-field   Frac type.float                             host.double-to-float]
  [double-field  Frac type.double                            function.identity]
  [char-field    Nat  type.char                              (|>> .int host.long-to-int host.int-to-char)]
  [string-field  Text (type.class "java.lang.String" (list)) function.identity]
  )

(def: #export (fuse defs)
  (-> (List //.Def) //.Def)
  (case defs
    #.Nil
    function.identity

    (#.Cons singleton #.Nil)
    singleton

    (#.Cons head tail)
    (function.compose (fuse tail) head)))