annotate src/source.sml @ 71:6431b315a1e3

Elaborate efold
author Adam Chlipala <adamc@hcoop.net>
date Thu, 26 Jun 2008 11:09:30 -0400
parents 9f89f0b00b84
children b4f2a258e52c
rev   line source
adamc@0 1 (* Copyright (c) 2008, Adam Chlipala
adamc@0 2 * All rights reserved.
adamc@0 3 *
adamc@0 4 * Redistribution and use in source and binary forms, with or without
adamc@0 5 * modification, are permitted provided that the following conditions are met:
adamc@0 6 *
adamc@0 7 * - Redistributions of source code must retain the above copyright notice,
adamc@0 8 * this list of conditions and the following disclaimer.
adamc@0 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@0 10 * this list of conditions and the following disclaimer in the documentation
adamc@0 11 * and/or other materials provided with the distribution.
adamc@0 12 * - The names of contributors may not be used to endorse or promote products
adamc@0 13 * derived from this software without specific prior written permission.
adamc@0 14 *
adamc@0 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@0 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@0 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@0 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@0 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@0 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@0 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@0 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@0 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@0 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@0 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@0 26 *)
adamc@0 27
adamc@4 28 structure Source = struct
adamc@0 29
adamc@0 30 type 'a located = 'a ErrorMsg.located
adamc@0 31
adamc@0 32 datatype kind' =
adamc@0 33 KType
adamc@0 34 | KArrow of kind * kind
adamc@0 35 | KName
adamc@0 36 | KRecord of kind
adamc@18 37 | KWild
adamc@0 38
adamc@0 39 withtype kind = kind' located
adamc@0 40
adamc@1 41 datatype explicitness =
adamc@1 42 Explicit
adamc@1 43 | Implicit
adamc@1 44
adamc@0 45 datatype con' =
adamc@0 46 CAnnot of con * kind
adamc@0 47
adamc@0 48 | TFun of con * con
adamc@1 49 | TCFun of explicitness * string * kind * con
adamc@0 50 | TRecord of con
adamc@0 51
adamc@34 52 | CVar of string list * string
adamc@0 53 | CApp of con * con
adamc@67 54 | CAbs of string * kind option * con
adamc@0 55
adamc@0 56 | CName of string
adamc@0 57
adamc@1 58 | CRecord of (con * con) list
adamc@0 59 | CConcat of con * con
adamc@67 60 | CFold
adamc@0 61
adamc@18 62 | CWild of kind
adamc@18 63
adamc@0 64 withtype con = con' located
adamc@0 65
adamc@30 66 datatype sgn_item' =
adamc@30 67 SgiConAbs of string * kind
adamc@30 68 | SgiCon of string * kind option * con
adamc@30 69 | SgiVal of string * con
adamc@30 70 | SgiStr of string * sgn
adamc@59 71 | SgiSgn of string * sgn
adamc@58 72 | SgiInclude of sgn
adamc@30 73
adamc@30 74 and sgn' =
adamc@30 75 SgnConst of sgn_item list
adamc@30 76 | SgnVar of string
adamc@40 77 | SgnFun of string * sgn * sgn
adamc@42 78 | SgnWhere of sgn * string * con
adamc@59 79 | SgnProj of string * string list * string
adamc@30 80
adamc@30 81 withtype sgn_item = sgn_item' located
adamc@30 82 and sgn = sgn' located
adamc@30 83
adamc@34 84 datatype exp' =
adamc@34 85 EAnnot of exp * con
adamc@34 86
adamc@34 87 | EPrim of Prim.t
adamc@34 88 | EVar of string list * string
adamc@34 89 | EApp of exp * exp
adamc@34 90 | EAbs of string * con option * exp
adamc@34 91 | ECApp of exp * con
adamc@34 92 | ECAbs of explicitness * string * kind * exp
adamc@34 93
adamc@34 94 | ERecord of (con * exp) list
adamc@34 95 | EField of exp * con
adamc@71 96 | EFold
adamc@34 97
adamc@34 98 withtype exp = exp' located
adamc@34 99
adamc@1 100 datatype decl' =
adamc@1 101 DCon of string * kind option * con
adamc@8 102 | DVal of string * con option * exp
adamc@30 103 | DSgn of string * sgn
adamc@30 104 | DStr of string * sgn option * str
adamc@48 105 | DFfiStr of string * sgn
adamc@61 106 | DOpen of string * string list
adamc@30 107
adamc@30 108 and str' =
adamc@30 109 StrConst of decl list
adamc@30 110 | StrVar of string
adamc@34 111 | StrProj of str * string
adamc@40 112 | StrFun of string * sgn * sgn option * str
adamc@44 113 | StrApp of str * str
adamc@1 114
adamc@1 115 withtype decl = decl' located
adamc@30 116 and str = str' located
adamc@1 117
adamc@1 118 type file = decl list
adamc@1 119
adamc@0 120 end