annotate src/source.sml @ 147:eb16f2aadbe9

Meta-programming forms
author Adam Chlipala <adamc@hcoop.net>
date Tue, 22 Jul 2008 18:46:04 -0400
parents e3041657d653
children 7420fa18d657
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@18 38 | KWild
adamc@0 39
adamc@0 40 withtype kind = kind' located
adamc@0 41
adamc@1 42 datatype explicitness =
adamc@1 43 Explicit
adamc@1 44 | Implicit
adamc@1 45
adamc@0 46 datatype con' =
adamc@0 47 CAnnot of con * kind
adamc@0 48
adamc@0 49 | TFun of con * con
adamc@1 50 | TCFun of explicitness * string * kind * con
adamc@85 51 | TDisjoint of con * con * 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@18 67 | CWild of kind
adamc@18 68
adamc@0 69 withtype con = con' located
adamc@0 70
adamc@30 71 datatype sgn_item' =
adamc@30 72 SgiConAbs of string * kind
adamc@30 73 | SgiCon of string * kind option * con
adamc@30 74 | SgiVal of string * con
adamc@30 75 | SgiStr of string * sgn
adamc@59 76 | SgiSgn of string * sgn
adamc@58 77 | SgiInclude of sgn
adamc@88 78 | SgiConstraint of con * con
adamc@30 79
adamc@30 80 and sgn' =
adamc@30 81 SgnConst of sgn_item list
adamc@30 82 | SgnVar of string
adamc@40 83 | SgnFun of string * sgn * sgn
adamc@42 84 | SgnWhere of sgn * string * con
adamc@59 85 | SgnProj of string * string list * string
adamc@30 86
adamc@30 87 withtype sgn_item = sgn_item' located
adamc@30 88 and sgn = sgn' located
adamc@30 89
adamc@34 90 datatype exp' =
adamc@34 91 EAnnot of exp * con
adamc@34 92
adamc@34 93 | EPrim of Prim.t
adamc@34 94 | EVar of string list * string
adamc@34 95 | EApp of exp * exp
adamc@34 96 | EAbs of string * con option * exp
adamc@34 97 | ECApp of exp * con
adamc@34 98 | ECAbs of explicitness * string * kind * exp
adamc@85 99 | EDisjoint of con * con * exp
adamc@34 100
adamc@34 101 | ERecord of (con * exp) list
adamc@34 102 | EField of exp * con
adamc@71 103 | EFold
adamc@34 104
adamc@34 105 withtype exp = exp' located
adamc@34 106
adamc@1 107 datatype decl' =
adamc@1 108 DCon of string * kind option * con
adamc@8 109 | DVal of string * con option * exp
adamc@123 110 | DValRec of (string * con option * exp) list
adamc@30 111 | DSgn of string * sgn
adamc@30 112 | DStr of string * sgn option * str
adamc@48 113 | DFfiStr of string * sgn
adamc@61 114 | DOpen of string * string list
adamc@88 115 | DConstraint of con * con
adamc@88 116 | DOpenConstraints of string * string list
adamc@109 117 | DExport of str
adamc@30 118
adamc@30 119 and str' =
adamc@30 120 StrConst of decl list
adamc@30 121 | StrVar of string
adamc@34 122 | StrProj of str * string
adamc@40 123 | StrFun of string * sgn * sgn option * str
adamc@44 124 | StrApp of str * str
adamc@1 125
adamc@1 126 withtype decl = decl' located
adamc@30 127 and str = str' located
adamc@1 128
adamc@1 129 type file = decl list
adamc@1 130
adamc@0 131 end