summaryrefslogtreecommitdiff
path: root/src/core.sml
blob: 78a1eded98988b5f8a8b523f183331e3f590a79f (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
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
(* 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 Core = struct

type 'a located = 'a ErrorMsg.located

datatype kind' =
         KType
       | KArrow of kind * kind
       | KName
       | KRecord of kind
       | KUnit
       | KTuple of kind list

       | KRel of int
       | KFun of string * 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
       | CFfi of string * string
       | CApp of con * con
       | CAbs of string * kind * con

       | CKAbs of string * con
       | CKApp of con * kind
       | TKFun of string * con

       | CName of string

       | CRecord of kind * (con * con) list
       | CConcat of con * con
       | CMap of kind * kind

       | CUnit

       | CTuple of con list
       | CProj of con * int

withtype con = con' located

datatype datatype_kind = datatype DatatypeKind.datatype_kind

datatype patCon =
         PConVar of int
       | PConFfi of {mod : string, datatyp : string, params : string list,
                     con : string, arg : con option, kind : datatype_kind}

datatype pat' =
         PWild
       | PVar of string * con
       | PPrim of Prim.t
       | PCon of datatype_kind * patCon * con list * pat option
       | PRecord of (string * pat * con) list

withtype pat = pat' located

datatype exp' =
         EPrim of Prim.t
       | ERel of int
       | ENamed of int
       | ECon of datatype_kind * patCon * con list * exp option
       | EFfi of string * string
       | EFfiApp of string * string * exp list
       | EApp of exp * exp
       | EAbs of string * con * con * exp
       | ECApp of exp * con
       | ECAbs of string * kind * exp

       | EKAbs of string * exp
       | EKApp of exp * kind

       | ERecord of (con * exp * con) list
       | EField of exp * con * { field : con, rest : con }
       | EConcat of exp * con * exp * con
       | ECut of exp * con * { field : con, rest : con }
       | ECutMulti of exp * con * { rest : con }

       | ECase of exp * (pat * exp) list * { disc : con, result : con }

       | EWrite of exp

       | EClosure of int * exp list

       | ELet of string * con * exp * exp

       | EServerCall of int * exp list * con

withtype exp = exp' located

datatype effect = datatype Export.effect
datatype export_kind = datatype Export.export_kind

datatype decl' =
         DCon of string * int * kind * con
       | DDatatype of (string * int * string list * (string * int * con option) list) list
       | DVal of string * int * con * exp * string
       | DValRec of (string * int * con * exp * string) list
       | DExport of export_kind * int
       | DTable of string * int * con * string * exp * con * exp * con
       | DSequence of string * int * string
       | DView of string * int * string * exp * con
       | DDatabase of string
       | DCookie of string * int * con * string
       | DStyle of string * int * string
       | DTask of exp * exp

withtype decl = decl' located

type file = decl list

end