aboutsummaryrefslogtreecommitdiff
path: root/stdlib/source/library/lux/target/jvm/attribute/code/exception.lux
blob: 6bdf8dfff68e55eb2afbabbf27bfa6330f824651 (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
(.module:
  [library
   [lux #*
    [abstract
     [equivalence (#+ Equivalence)]]
    [data
     ["." product]
     ["." format #_
      ["#" binary (#+ Writer)]]]
    [math
     [number
      ["n" nat]]]]]
  ["." // #_
   ["//#" /// #_
    [constant (#+ Class)]
    ["#." index (#+ Index)]
    [bytecode
     ["#." address (#+ Address)]]
    [encoding
     ["#." unsigned (#+ U2)]]]])

(type: .public Exception
  (Record
   [#start Address
    #end Address
    #handler Address
    #catch (Index Class)]))

(def: .public equivalence
  (Equivalence Exception)
  ($_ product.equivalence
      ////address.equivalence
      ////address.equivalence
      ////address.equivalence
      ////index.equivalence
      ))

... https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.7.3
(def: .public length
  Nat
  ($_ n.+
      ... u2 start_pc;
      ////unsigned.bytes/2
      ... u2 end_pc;
      ////unsigned.bytes/2
      ... u2 handler_pc;
      ////unsigned.bytes/2
      ... u2 catch_type;
      ////unsigned.bytes/2
      ))

(def: .public writer
  (Writer Exception)
  ($_ format.and
      ////address.writer
      ////address.writer
      ////address.writer
      ////index.writer
      ))