annotate src/core.sml @ 26:4ab19c19665f

Closure conversion
author Adam Chlipala <adamc@hcoop.net>
date Tue, 10 Jun 2008 15:56:33 -0400
parents bc7b76ca57e0
children 537db4ee89f4
rev   line source
adamc@16 1 (* Copyright (c) 2008, Adam Chlipala
adamc@16 2 * All rights reserved.
adamc@16 3 *
adamc@16 4 * Redistribution and use in source and binary forms, with or without
adamc@16 5 * modification, are permitted provided that the following conditions are met:
adamc@16 6 *
adamc@16 7 * - Redistributions of source code must retain the above copyright notice,
adamc@16 8 * this list of conditions and the following disclaimer.
adamc@16 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@16 10 * this list of conditions and the following disclaimer in the documentation
adamc@16 11 * and/or other materials provided with the distribution.
adamc@16 12 * - The names of contributors may not be used to endorse or promote products
adamc@16 13 * derived from this software without specific prior written permission.
adamc@16 14 *
adamc@16 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@16 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@16 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@16 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@16 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@16 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@16 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@16 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@16 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@16 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@16 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@16 26 *)
adamc@16 27
adamc@16 28 structure Core = struct
adamc@16 29
adamc@16 30 type 'a located = 'a ErrorMsg.located
adamc@16 31
adamc@16 32 datatype kind' =
adamc@16 33 KType
adamc@16 34 | KArrow of kind * kind
adamc@16 35 | KName
adamc@16 36 | KRecord of kind
adamc@16 37
adamc@16 38 withtype kind = kind' located
adamc@16 39
adamc@16 40 datatype con' =
adamc@16 41 TFun of con * con
adamc@16 42 | TCFun of string * kind * con
adamc@16 43 | TRecord of con
adamc@16 44
adamc@16 45 | CRel of int
adamc@16 46 | CNamed of int
adamc@16 47 | CApp of con * con
adamc@16 48 | CAbs of string * kind * con
adamc@16 49
adamc@16 50 | CName of string
adamc@16 51
adamc@16 52 | CRecord of kind * (con * con) list
adamc@16 53 | CConcat of con * con
adamc@16 54
adamc@16 55 withtype con = con' located
adamc@16 56
adamc@16 57 datatype exp' =
adamc@16 58 EPrim of Prim.t
adamc@16 59 | ERel of int
adamc@16 60 | ENamed of int
adamc@16 61 | EApp of exp * exp
adamc@26 62 | EAbs of string * con * con * exp
adamc@16 63 | ECApp of exp * con
adamc@16 64 | ECAbs of string * kind * exp
adamc@16 65
adamc@16 66 | ERecord of (con * exp) list
adamc@16 67 | EField of exp * con * { field : con, rest : con }
adamc@16 68
adamc@16 69 withtype exp = exp' located
adamc@16 70
adamc@16 71 datatype decl' =
adamc@16 72 DCon of string * int * kind * con
adamc@16 73 | DVal of string * int * con * exp
adamc@16 74
adamc@16 75 withtype decl = decl' located
adamc@16 76
adamc@16 77 type file = decl list
adamc@16 78
adamc@16 79 end