Source file ir.ml
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
module W = Ortac_core.Warnings
open Ppxlib
type term = {
txt : string;
loc : Location.t;
translation : (expression, W.t) result;
}
type check = {
txt : string;
loc : Location.t;
translations : ((string * expression) * expression, W.t) result;
}
type invariant = {
txt : string;
loc : Location.t;
translation : (string * structure_item, W.t) result;
}
type model =
string
* Gospel.Identifier.Ident.t
* bool
type type_ = {
name : string;
loc : Location.t;
ghost : Gospel.Tast.ghost;
models : model list;
invariants : invariant list;
equality : (expression, W.t) result;
comparison : (expression, W.t) result;
copy : (expression, W.t) result;
}
let type_ ~name ~loc ~ghost =
{
name;
loc;
ghost;
models = [];
invariants = [];
equality = Error (W.Unsupported "equality", loc);
comparison = Error (W.Unsupported "comparison", loc);
copy = Error (W.Unsupported "copy", loc);
}
type ocaml_var = {
name : string;
label : arg_label;
type_ : type_;
modified : bool;
consumed : bool;
}
type xpost = {
exn : string;
args : int;
translation : (cases, W.t list) result;
}
type projection = {
name : string;
ocaml_name : string;
model_name : string;
loc : Location.t;
arguments : ocaml_var list;
returns : ocaml_var list;
register_name : string;
}
let projection ~name ~ocaml_name ~model_name ~loc ~arguments ~returns
~register_name =
{ name; ocaml_name; model_name; loc; arguments; returns; register_name }
type value = {
name : string;
loc : Location.t;
arguments : ocaml_var list;
returns : ocaml_var list;
register_name : string;
ghost : Gospel.Tast.ghost;
pure : bool;
checks : check list;
copies : (string * expression) list;
preconditions : term list;
postconditions : term list;
xpostconditions : xpost list;
}
let value ~name ~loc ~arguments ~returns ~register_name ~ghost ~pure =
{
name;
loc;
arguments;
returns;
register_name;
ghost;
pure;
checks = [];
copies = [];
preconditions = [];
postconditions = [];
xpostconditions = [];
}
type constant = {
name : string;
loc : Location.t;
type_ : type_;
register_name : string;
ghost : Gospel.Tast.ghost;
checks : term list;
invariants : expression list;
}
let constant ~name ~loc ~type_ ~register_name ~ghost =
{ name; loc; type_; register_name; ghost; checks = []; invariants = [] }
type axiom = {
name : string;
loc : Location.t;
register_name : string;
definition : term;
}
type function_ = {
name : string;
loc : Location.t;
rec_ : bool;
arguments : ocaml_var list;
definition : term option;
}
type structure_item =
| Type of type_
| Projection of projection
| Value of value
| Constant of constant
| Function of function_
| Predicate of function_
| Axiom of axiom
module T = Map.Make (Gospel.Ttypes.Ts)
let stdlib_types =
let loc = Ppxlib.Location.none in
let ghost = Gospel.Tast.Nonghost in
[
([ "unit" ], type_ ~name:"unit" ~loc ~ghost);
([ "string" ], type_ ~name:"string" ~loc ~ghost);
([ "char" ], type_ ~name:"char" ~loc ~ghost);
([ "float" ], type_ ~name:"float" ~loc ~ghost);
([ "bool" ], type_ ~name:"bool" ~loc ~ghost);
([ "integer" ], type_ ~name:"integer" ~loc ~ghost);
([ "option" ], type_ ~name:"option" ~loc ~ghost);
([ "list" ], type_ ~name:"list" ~loc ~ghost);
([ "Gospelstdlib"; "sequence" ], type_ ~name:"sequence" ~loc ~ghost);
([ "Gospelstdlib"; "bag" ], type_ ~name:"bag" ~loc ~ghost);
([ "Gospelstdlib"; "ref" ], type_ ~name:"ref" ~loc ~ghost);
([ "array" ], type_ ~name:"array" ~loc ~ghost);
([ "Gospelstdlib"; "set" ], type_ ~name:"set" ~loc ~ghost);
([ "int" ], type_ ~name:"int" ~loc ~ghost);
]
type structure = structure_item list
type types = type_ T.t
type t = { structure : structure; types : types }
let add_translation i t = { t with structure = i :: t.structure }
let add_type ts i t = { t with types = T.add ts i t.types }
let get_type ts t = T.find_opt ts t.types
let map_translation ~f t = List.rev_map f t.structure
let iter_translation ~f t = List.iter f (List.rev t.structure)
let init context =
let types =
List.fold_left
(fun acc (path, type_) ->
let ls = Ortac_core.Context.get_ts context path in
T.add ls type_ acc)
T.empty stdlib_types
in
{ structure = []; types }