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Optimizing 'case' in Mono_reduce
author Adam Chlipala <adamc@hcoop.net>
date Sun, 03 Aug 2008 13:30:27 -0400
parents d11754ffe252
children 8e9f97508f0d
rev   line source
adamc@38 1 (* Copyright (c) 2008, Adam Chlipala
adamc@38 2 * All rights reserved.
adamc@38 3 *
adamc@38 4 * Redistribution and use in source and binary forms, with or without
adamc@38 5 * modification, are permitted provided that the following conditions are met:
adamc@38 6 *
adamc@38 7 * - Redistributions of source code must retain the above copyright notice,
adamc@38 8 * this list of conditions and the following disclaimer.
adamc@38 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@38 10 * this list of conditions and the following disclaimer in the documentation
adamc@38 11 * and/or other materials provided with the distribution.
adamc@38 12 * - The names of contributors may not be used to endorse or promote products
adamc@38 13 * derived from this software without specific prior written permission.
adamc@38 14 *
adamc@38 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@38 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@38 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@38 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@38 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@38 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@38 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@38 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@38 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@38 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@38 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@38 26 *)
adamc@38 27
adamc@38 28 structure Expl = struct
adamc@38 29
adamc@38 30 type 'a located = 'a ErrorMsg.located
adamc@38 31
adamc@38 32 datatype kind' =
adamc@38 33 KType
adamc@38 34 | KArrow of kind * kind
adamc@38 35 | KName
adamc@87 36 | KUnit
adamc@38 37 | KRecord of kind
adamc@38 38
adamc@38 39 withtype kind = kind' located
adamc@38 40
adamc@38 41 datatype con' =
adamc@38 42 TFun of con * con
adamc@38 43 | TCFun of string * kind * con
adamc@38 44 | TRecord of con
adamc@38 45
adamc@38 46 | CRel of int
adamc@38 47 | CNamed of int
adamc@38 48 | CModProj of int * string list * string
adamc@38 49 | CApp of con * con
adamc@38 50 | CAbs of string * kind * con
adamc@38 51
adamc@38 52 | CName of string
adamc@38 53
adamc@38 54 | CRecord of kind * (con * con) list
adamc@38 55 | CConcat of con * con
adamc@68 56 | CFold of kind * kind
adamc@38 57
adamc@87 58 | CUnit
adamc@87 59
adamc@38 60 withtype con = con' located
adamc@38 61
adamc@176 62 datatype patCon =
adamc@176 63 PConVar of int
adamc@176 64 | PConProj of int * string list * string
adamc@176 65
adamc@176 66 datatype pat' =
adamc@176 67 PWild
adamc@182 68 | PVar of string * con
adamc@176 69 | PPrim of Prim.t
adamc@176 70 | PCon of patCon * pat option
adamc@182 71 | PRecord of (string * pat * con) list
adamc@176 72
adamc@176 73 withtype pat = pat' located
adamc@176 74
adamc@38 75 datatype exp' =
adamc@38 76 EPrim of Prim.t
adamc@38 77 | ERel of int
adamc@38 78 | ENamed of int
adamc@38 79 | EModProj of int * string list * string
adamc@38 80 | EApp of exp * exp
adamc@38 81 | EAbs of string * con * con * exp
adamc@38 82 | ECApp of exp * con
adamc@38 83 | ECAbs of string * kind * exp
adamc@38 84
adamc@38 85 | ERecord of (con * exp * con) list
adamc@38 86 | EField of exp * con * { field : con, rest : con }
adamc@149 87 | ECut of exp * con * { field : con, rest : con }
adamc@72 88 | EFold of kind
adamc@38 89
adamc@182 90 | ECase of exp * (pat * exp) list * { disc : con, result : con }
adamc@176 91
adamc@109 92 | EWrite of exp
adamc@109 93
adamc@38 94 withtype exp = exp' located
adamc@38 95
adamc@38 96 datatype sgn_item' =
adamc@38 97 SgiConAbs of string * int * kind
adamc@38 98 | SgiCon of string * int * kind * con
adamc@162 99 | SgiDatatype of string * int * (string * int * con option) list
adamc@162 100 | SgiDatatypeImp of string * int * int * string list * string * (string * int * con option) list
adamc@38 101 | SgiVal of string * int * con
adamc@64 102 | SgiSgn of string * int * sgn
adamc@38 103 | SgiStr of string * int * sgn
adamc@38 104
adamc@38 105 and sgn' =
adamc@38 106 SgnConst of sgn_item list
adamc@38 107 | SgnVar of int
adamc@45 108 | SgnFun of string * int * sgn * sgn
adamc@45 109 | SgnWhere of sgn * string * con
adamc@64 110 | SgnProj of int * string list * string
adamc@38 111
adamc@38 112 withtype sgn_item = sgn_item' located
adamc@38 113 and sgn = sgn' located
adamc@38 114
adamc@38 115 datatype decl' =
adamc@38 116 DCon of string * int * kind * con
adamc@162 117 | DDatatype of string * int * (string * int * con option) list
adamc@162 118 | DDatatypeImp of string * int * int * string list * string * (string * int * con option) list
adamc@38 119 | DVal of string * int * con * exp
adamc@124 120 | DValRec of (string * int * con * exp) list
adamc@38 121 | DSgn of string * int * sgn
adamc@38 122 | DStr of string * int * sgn * str
adamc@48 123 | DFfiStr of string * int * sgn
adamc@109 124 | DExport of int * sgn * str
adamc@38 125
adamc@38 126 and str' =
adamc@38 127 StrConst of decl list
adamc@38 128 | StrVar of int
adamc@38 129 | StrProj of str * string
adamc@45 130 | StrFun of string * int * sgn * sgn * str
adamc@45 131 | StrApp of str * str
adamc@38 132
adamc@38 133 withtype decl = decl' located
adamc@38 134 and str = str' located
adamc@38 135
adamc@38 136 type file = decl list
adamc@38 137
adamc@38 138 end