|
adamc@2
|
1 (* Copyright (c) 2008, Adam Chlipala
|
|
adamc@2
|
2 * All rights reserved.
|
|
adamc@2
|
3 *
|
|
adamc@2
|
4 * Redistribution and use in source and binary forms, with or without
|
|
adamc@2
|
5 * modification, are permitted provided that the following conditions are met:
|
|
adamc@2
|
6 *
|
|
adamc@2
|
7 * - Redistributions of source code must retain the above copyright notice,
|
|
adamc@2
|
8 * this list of conditions and the following disclaimer.
|
|
adamc@2
|
9 * - Redistributions in binary form must reproduce the above copyright notice,
|
|
adamc@2
|
10 * this list of conditions and the following disclaimer in the documentation
|
|
adamc@2
|
11 * and/or other materials provided with the distribution.
|
|
adamc@2
|
12 * - The names of contributors may not be used to endorse or promote products
|
|
adamc@2
|
13 * derived from this software without specific prior written permission.
|
|
adamc@2
|
14 *
|
|
adamc@2
|
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
adamc@2
|
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
adamc@2
|
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
adamc@2
|
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
adamc@2
|
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
adamc@2
|
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
adamc@2
|
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
adamc@2
|
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
adamc@2
|
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
adamc@2
|
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
adamc@2
|
25 * POSSIBILITY OF SUCH DAMAGE.
|
|
adamc@2
|
26 *)
|
|
adamc@2
|
27
|
|
adamc@2
|
28 structure Elab = struct
|
|
adamc@2
|
29
|
|
adamc@2
|
30 type 'a located = 'a ErrorMsg.located
|
|
adamc@2
|
31
|
|
adamc@2
|
32 datatype kind' =
|
|
adamc@2
|
33 KType
|
|
adamc@2
|
34 | KArrow of kind * kind
|
|
adamc@2
|
35 | KName
|
|
adamc@2
|
36 | KRecord of kind
|
|
adamc@2
|
37
|
|
adamc@2
|
38 | KError
|
|
adamc@76
|
39 | KUnif of ErrorMsg.span * string * kind option ref
|
|
adamc@2
|
40
|
|
adamc@2
|
41 withtype kind = kind' located
|
|
adamc@2
|
42
|
|
adamc@2
|
43 datatype explicitness =
|
|
adamc@2
|
44 Explicit
|
|
adamc@2
|
45 | Implicit
|
|
adamc@2
|
46
|
|
adamc@2
|
47 datatype con' =
|
|
adamc@2
|
48 TFun of con * con
|
|
adamc@2
|
49 | TCFun of explicitness * string * kind * con
|
|
adamc@2
|
50 | TRecord of con
|
|
adamc@2
|
51
|
|
adamc@2
|
52 | CRel of int
|
|
adamc@2
|
53 | CNamed of int
|
|
adamc@34
|
54 | CModProj of int * string list * string
|
|
adamc@2
|
55 | CApp of con * con
|
|
adamc@8
|
56 | CAbs of string * kind * con
|
|
adamc@2
|
57
|
|
adamc@2
|
58 | CName of string
|
|
adamc@2
|
59
|
|
adamc@2
|
60 | CRecord of kind * (con * con) list
|
|
adamc@2
|
61 | CConcat of con * con
|
|
adamc@67
|
62 | CFold of kind * kind
|
|
adamc@2
|
63
|
|
adamc@2
|
64 | CError
|
|
adamc@76
|
65 | CUnif of ErrorMsg.span * kind * string * con option ref
|
|
adamc@2
|
66
|
|
adamc@2
|
67 withtype con = con' located
|
|
adamc@2
|
68
|
|
adamc@9
|
69 datatype exp' =
|
|
adamc@14
|
70 EPrim of Prim.t
|
|
adamc@14
|
71 | ERel of int
|
|
adamc@9
|
72 | ENamed of int
|
|
adamc@34
|
73 | EModProj of int * string list * string
|
|
adamc@9
|
74 | EApp of exp * exp
|
|
adamc@26
|
75 | EAbs of string * con * con * exp
|
|
adamc@9
|
76 | ECApp of exp * con
|
|
adamc@9
|
77 | ECAbs of explicitness * string * kind * exp
|
|
adamc@9
|
78
|
|
adamc@29
|
79 | ERecord of (con * exp * con) list
|
|
adamc@12
|
80 | EField of exp * con * { field : con, rest : con }
|
|
adamc@71
|
81 | EFold of kind
|
|
adamc@12
|
82
|
|
adamc@9
|
83 | EError
|
|
adamc@9
|
84
|
|
adamc@9
|
85 withtype exp = exp' located
|
|
adamc@9
|
86
|
|
adamc@31
|
87 datatype sgn_item' =
|
|
adamc@31
|
88 SgiConAbs of string * int * kind
|
|
adamc@31
|
89 | SgiCon of string * int * kind * con
|
|
adamc@31
|
90 | SgiVal of string * int * con
|
|
adamc@31
|
91 | SgiStr of string * int * sgn
|
|
adamc@59
|
92 | SgiSgn of string * int * sgn
|
|
adamc@31
|
93
|
|
adamc@31
|
94 and sgn' =
|
|
adamc@31
|
95 SgnConst of sgn_item list
|
|
adamc@31
|
96 | SgnVar of int
|
|
adamc@41
|
97 | SgnFun of string * int * sgn * sgn
|
|
adamc@42
|
98 | SgnWhere of sgn * string * con
|
|
adamc@59
|
99 | SgnProj of int * string list * string
|
|
adamc@31
|
100 | SgnError
|
|
adamc@31
|
101
|
|
adamc@31
|
102 withtype sgn_item = sgn_item' located
|
|
adamc@31
|
103 and sgn = sgn' located
|
|
adamc@31
|
104
|
|
adamc@2
|
105 datatype decl' =
|
|
adamc@5
|
106 DCon of string * int * kind * con
|
|
adamc@9
|
107 | DVal of string * int * con * exp
|
|
adamc@31
|
108 | DSgn of string * int * sgn
|
|
adamc@31
|
109 | DStr of string * int * sgn * str
|
|
adamc@48
|
110 | DFfiStr of string * int * sgn
|
|
adamc@31
|
111
|
|
adamc@31
|
112 and str' =
|
|
adamc@31
|
113 StrConst of decl list
|
|
adamc@31
|
114 | StrVar of int
|
|
adamc@34
|
115 | StrProj of str * string
|
|
adamc@41
|
116 | StrFun of string * int * sgn * sgn * str
|
|
adamc@44
|
117 | StrApp of str * str
|
|
adamc@31
|
118 | StrError
|
|
adamc@2
|
119
|
|
adamc@2
|
120 withtype decl = decl' located
|
|
adamc@31
|
121 and str = str' located
|
|
adamc@31
|
122
|
|
adamc@2
|
123 type file = decl list
|
|
adamc@2
|
124
|
|
adamc@2
|
125 end
|
