aboutsummaryrefslogtreecommitdiff
path: root/stdlib/source/library/lux/target/jvm/attribute/code/exception.lux
blob: 649049e0bc7b8f75d104d56ff9277e5b91996500 (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
(.using
 [library
  [lux "*"
   [abstract
    [equivalence {"+" Equivalence}]]
   [data
    ["[0]" product]
    ["[0]" format "_"
     ["[1]" binary {"+" Writer}]]]
   [math
    [number
     ["n" nat]]]]]
 ["[0]" // "_"
  ["//[1]" /// "_"
   [constant {"+" Class}]
   ["[1][0]" index {"+" Index}]
   [bytecode
    ["[1][0]" address {"+" Address}]]
   [encoding
    ["[1][0]" unsigned {"+" U2}]]]])

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

(def: .public equivalence
  (Equivalence Exception)
  (all 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
  (all 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)
  (all format.and
       ////address.writer
       ////address.writer
       ////address.writer
       ////index.writer
       ))