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
|
(* Copyright (c) 2008, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
structure Expl = struct
type 'a located = 'a ErrorMsg.located
datatype kind' =
KType
| KArrow of kind * kind
| KName
| KUnit
| KRecord of kind
withtype kind = kind' located
datatype con' =
TFun of con * con
| TCFun of string * kind * con
| TRecord of con
| CRel of int
| CNamed of int
| CModProj of int * string list * string
| CApp of con * con
| CAbs of string * kind * con
| CName of string
| CRecord of kind * (con * con) list
| CConcat of con * con
| CFold of kind * kind
| CUnit
withtype con = con' located
datatype patCon =
PConVar of int
| PConProj of int * string list * string
datatype pat' =
PWild
| PVar of string * con
| PPrim of Prim.t
| PCon of patCon * pat option
| PRecord of (string * pat * con) list
withtype pat = pat' located
datatype exp' =
EPrim of Prim.t
| ERel of int
| ENamed of int
| EModProj of int * string list * string
| EApp of exp * exp
| EAbs of string * con * con * exp
| ECApp of exp * con
| ECAbs of string * kind * exp
| ERecord of (con * exp * con) list
| EField of exp * con * { field : con, rest : con }
| ECut of exp * con * { field : con, rest : con }
| EFold of kind
| ECase of exp * (pat * exp) list * { disc : con, result : con }
| EWrite of exp
withtype exp = exp' located
datatype sgn_item' =
SgiConAbs of string * int * kind
| SgiCon of string * int * kind * con
| SgiDatatype of string * int * (string * int * con option) list
| SgiDatatypeImp of string * int * int * string list * string * (string * int * con option) list
| SgiVal of string * int * con
| SgiSgn of string * int * sgn
| SgiStr of string * int * sgn
and sgn' =
SgnConst of sgn_item list
| SgnVar of int
| SgnFun of string * int * sgn * sgn
| SgnWhere of sgn * string * con
| SgnProj of int * string list * string
withtype sgn_item = sgn_item' located
and sgn = sgn' located
datatype decl' =
DCon of string * int * kind * con
| DDatatype of string * int * (string * int * con option) list
| DDatatypeImp of string * int * int * string list * string * (string * int * con option) list
| DVal of string * int * con * exp
| DValRec of (string * int * con * exp) list
| DSgn of string * int * sgn
| DStr of string * int * sgn * str
| DFfiStr of string * int * sgn
| DExport of int * sgn * str
and str' =
StrConst of decl list
| StrVar of int
| StrProj of str * string
| StrFun of string * int * sgn * sgn * str
| StrApp of str * str
withtype decl = decl' located
and str = str' located
type file = decl list
end
|
