Mercurial > urweb

annotate src/source.sml @ 446:86c063fedc4d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Parsing 'let'
author Adam Chlipala <adamc@hcoop.net>
date Sat, 01 Nov 2008 10:47:10 -0400
parents dfc8c991abd0
children f542bc3133dc
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@82 37 | KUnit
adamc@207 38 | KTuple of kind list
adamc@18 39 | KWild
adamc@0 40
adamc@0 41 withtype kind = kind' located
adamc@0 42
adamc@1 43 datatype explicitness =
adamc@1 44 Explicit
adamc@1 45 | Implicit
adamc@1 46
adamc@0 47 datatype con' =
adamc@0 48 CAnnot of con * kind
adamc@0 49
adamc@0 50 | TFun of con * con
adamc@1 51 | TCFun of explicitness * string * kind * con
adamc@0 52 | TRecord of con
adamc@0 53
adamc@34 54 | CVar of string list * string
adamc@0 55 | CApp of con * con
adamc@67 56 | CAbs of string * kind option * con
adamc@84 57 | CDisjoint of con * con * con
adamc@0 58
adamc@0 59 | CName of string
adamc@0 60
adamc@1 61 | CRecord of (con * con) list
adamc@0 62 | CConcat of con * con
adamc@67 63 | CFold
adamc@0 64
adamc@82 65 | CUnit
adamc@82 66
adamc@207 67 | CTuple of con list
adamc@207 68 | CProj of con * int
adamc@207 69
adamc@18 70 | CWild of kind
adamc@18 71
adamc@0 72 withtype con = con' located
adamc@0 73
adamc@30 74 datatype sgn_item' =
adamc@30 75 SgiConAbs of string * kind
adamc@30 76 | SgiCon of string * kind option * con
adamc@191 77 | SgiDatatype of string * string list * (string * con option) list
adamc@156 78 | SgiDatatypeImp of string * string list * string
adamc@30 79 | SgiVal of string * con
adamc@30 80 | SgiStr of string * sgn
adamc@59 81 | SgiSgn of string * sgn
adamc@58 82 | SgiInclude of sgn
adamc@88 83 | SgiConstraint of con * con
adamc@203 84 | SgiTable of string * con
adamc@338 85 | SgiSequence of string
adamc@211 86 | SgiClassAbs of string
adamc@211 87 | SgiClass of string * con
adamc@30 88
adamc@30 89 and sgn' =
adamc@30 90 SgnConst of sgn_item list
adamc@30 91 | SgnVar of string
adamc@40 92 | SgnFun of string * sgn * sgn
adamc@42 93 | SgnWhere of sgn * string * con
adamc@59 94 | SgnProj of string * string list * string
adamc@30 95
adamc@30 96 withtype sgn_item = sgn_item' located
adamc@30 97 and sgn = sgn' located
adamc@30 98
adamc@170 99 datatype pat' =
adamc@170 100 PWild
adamc@170 101 | PVar of string
adamc@173 102 | PPrim of Prim.t
adamc@170 103 | PCon of string list * string * pat option
adamc@174 104 | PRecord of (string * pat) list * bool
adamc@170 105
adamc@170 106 withtype pat = pat' located
adamc@170 107
adamc@403 108 datatype inference =
adamc@403 109 Infer
adamc@403 110 | DontInfer
adamc@403 111 | TypesOnly
adamc@403 112
adamc@34 113 datatype exp' =
adamc@34 114 EAnnot of exp * con
adamc@34 115
adamc@34 116 | EPrim of Prim.t
adamc@403 117 | EVar of string list * string * inference
adamc@34 118 | EApp of exp * exp
adamc@34 119 | EAbs of string * con option * exp
adamc@34 120 | ECApp of exp * con
adamc@34 121 | ECAbs of explicitness * string * kind * exp
adamc@85 122 | EDisjoint of con * con * exp
adamc@34 123
adamc@34 124 | ERecord of (con * exp) list
adamc@34 125 | EField of exp * con
adamc@445 126 | EConcat of exp * exp
adamc@149 127 | ECut of exp * con
adamc@71 128 | EFold
adamc@34 129
adamc@211 130 | EWild
adamc@210 131
adamc@170 132 | ECase of exp * (pat * exp) list
adamc@170 133
adamc@446 134 | ELet of edecl list * exp
adamc@446 135
adamc@446 136 and edecl' =
adamc@446 137 EDVal of string * con option * exp
adamc@446 138 | EDValRec of (string * con option * exp) list
adamc@446 139
adamc@34 140 withtype exp = exp' located
adamc@446 141 and edecl = edecl' located
adamc@34 142
adamc@1 143 datatype decl' =
adamc@1 144 DCon of string * kind option * con
adamc@191 145 | DDatatype of string * string list * (string * con option) list
adamc@156 146 | DDatatypeImp of string * string list * string
adamc@8 147 | DVal of string * con option * exp
adamc@123 148 | DValRec of (string * con option * exp) list
adamc@30 149 | DSgn of string * sgn
adamc@30 150 | DStr of string * sgn option * str
adamc@48 151 | DFfiStr of string * sgn
adamc@61 152 | DOpen of string * string list
adamc@88 153 | DConstraint of con * con
adamc@88 154 | DOpenConstraints of string * string list
adamc@109 155 | DExport of str
adamc@203 156 | DTable of string * con
adamc@338 157 | DSequence of string
adamc@211 158 | DClass of string * con
adamc@271 159 | DDatabase of string
adamc@30 160
adamc@30 161 and str' =
adamc@30 162 StrConst of decl list
adamc@30 163 | StrVar of string
adamc@34 164 | StrProj of str * string
adamc@40 165 | StrFun of string * sgn * sgn option * str
adamc@44 166 | StrApp of str * str
adamc@1 167
adamc@1 168 withtype decl = decl' located
adamc@30 169 and str = str' located
adamc@1 170
adamc@1 171 type file = decl list
adamc@1 172
adamc@0 173 end