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
(* Extend the idea of a module as defined in Wasm.Syntax
   with custom sections that we are interested in
*)

open Ast

type name_section = {
  module_ : string option;
  function_names : (int32 * string) list;
  locals_names : (int32 * (int32 * string) list) list;
  label_names : (int32 * (int32 * string) list) list;
  type_names : (int32 * string) list;
  table_names : (int32 * string) list;
  memory_names : (int32 * string) list;
  global_names : (int32 * string) list;
  elem_segment_names : (int32 * string) list;
  data_segment_names : (int32 * string) list;
}

let empty_name_section : name_section = {
  module_ = None;
  function_names = [];
  locals_names = [];
  label_names = [];
  type_names = [];
  table_names = [];
  memory_names = [];
  global_names = [];
  elem_segment_names = [];
  data_segment_names = [];
}

type mem_info = {
  memory_size : int32;
  memory_alignment : int32;
  table_size : int32;
  table_alignment : int32;
}

type dylink0_subsection = 
 | MemInfo of mem_info
 | Needed of string list

type dylink0_section = dylink0_subsection list

type motoko_sections = {
  labels : string list;
  stable_types : (bool * string) option;
  compiler : (bool * string) option;
}

type candid_sections = {
  args : (bool * string) option;
  service : (bool * string) option;
}

let empty_motoko_sections = {
  labels = [];
  stable_types = None;
  compiler = None;
}

let empty_candid_sections = {
  args = None;
  service = None;
}

type persistence_section = (bool * string) option

type extended_module = {
  (* The non-custom sections *)
  module_ : module_';
  (* name section *)
  name : name_section;
  (* dylink.0 section *)
  dylink0 : dylink0_section;
  (* candid sections *)
  candid : candid_sections;
  (* motoko sections *)
  motoko : motoko_sections;
  (* enhanced orthogonal persistence section *)
  enhanced_orthogonal_persistence : persistence_section;
  (* source map section *)
  source_mapping_url : string option;
  wasm_features : string list;
}