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Parsing basic patterns
author Adam Chlipala <adamc@hcoop.net>
date Tue, 29 Jul 2008 16:38:15 -0400
parents 34ccd7d2bea8
children 8221b95cc24c
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@156 74 | SgiDatatype of string * (string * con option) list
adamc@156 75 | SgiDatatypeImp of string * string list * string
adamc@30 76 | SgiVal of string * con
adamc@30 77 | SgiStr of string * sgn
adamc@59 78 | SgiSgn of string * sgn
adamc@58 79 | SgiInclude of sgn
adamc@88 80 | SgiConstraint of con * con
adamc@30 81
adamc@30 82 and sgn' =
adamc@30 83 SgnConst of sgn_item list
adamc@30 84 | SgnVar of string
adamc@40 85 | SgnFun of string * sgn * sgn
adamc@42 86 | SgnWhere of sgn * string * con
adamc@59 87 | SgnProj of string * string list * string
adamc@30 88
adamc@30 89 withtype sgn_item = sgn_item' located
adamc@30 90 and sgn = sgn' located
adamc@30 91
adamc@170 92 datatype pat' =
adamc@170 93 PWild
adamc@170 94 | PVar of string
adamc@170 95 | PCon of string list * string * pat option
adamc@170 96
adamc@170 97 withtype pat = pat' located
adamc@170 98
adamc@34 99 datatype exp' =
adamc@34 100 EAnnot of exp * con
adamc@34 101
adamc@34 102 | EPrim of Prim.t
adamc@34 103 | EVar of string list * string
adamc@34 104 | EApp of exp * exp
adamc@34 105 | EAbs of string * con option * exp
adamc@34 106 | ECApp of exp * con
adamc@34 107 | ECAbs of explicitness * string * kind * exp
adamc@85 108 | EDisjoint of con * con * exp
adamc@34 109
adamc@34 110 | ERecord of (con * exp) list
adamc@34 111 | EField of exp * con
adamc@149 112 | ECut of exp * con
adamc@71 113 | EFold
adamc@34 114
adamc@170 115 | ECase of exp * (pat * exp) list
adamc@170 116
adamc@34 117 withtype exp = exp' located
adamc@34 118
adamc@1 119 datatype decl' =
adamc@1 120 DCon of string * kind option * con
adamc@156 121 | DDatatype of string * (string * con option) list
adamc@156 122 | DDatatypeImp of string * string list * string
adamc@8 123 | DVal of string * con option * exp
adamc@123 124 | DValRec of (string * con option * exp) list
adamc@30 125 | DSgn of string * sgn
adamc@30 126 | DStr of string * sgn option * str
adamc@48 127 | DFfiStr of string * sgn
adamc@61 128 | DOpen of string * string list
adamc@88 129 | DConstraint of con * con
adamc@88 130 | DOpenConstraints of string * string list
adamc@109 131 | DExport of str
adamc@30 132
adamc@30 133 and str' =
adamc@30 134 StrConst of decl list
adamc@30 135 | StrVar of string
adamc@34 136 | StrProj of str * string
adamc@40 137 | StrFun of string * sgn * sgn option * str
adamc@44 138 | StrApp of str * str
adamc@1 139
adamc@1 140 withtype decl = decl' located
adamc@30 141 and str = str' located
adamc@1 142
adamc@1 143 type file = decl list
adamc@1 144
adamc@0 145 end