annotate src/cjr.sml @ 318:60907c06b4c4

Optimization removes linear let-bindings of impure expressions
author Adam Chlipala <adamc@hcoop.net>
date Thu, 11 Sep 2008 11:30:39 -0400
parents 04ebfe929a98
children e976b187d73a
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 structure Cjr = struct
adamc@29 29
adamc@29 30 type 'a located = 'a ErrorMsg.located
adamc@29 31
adamc@188 32 datatype datatype_kind = datatype Mono.datatype_kind
adamc@188 33
adamc@29 34 datatype typ' =
adamc@269 35 TFun of typ * typ
adamc@29 36 | TRecord of int
adamc@196 37 | TDatatype of datatype_kind * int * (string * int * typ option) list ref
adamc@53 38 | TFfi of string * string
adamc@288 39 | TOption of typ
adamc@29 40
adamc@29 41 withtype typ = typ' located
adamc@29 42
adamc@181 43 datatype patCon =
adamc@181 44 PConVar of int
adamc@186 45 | PConFfi of {mod : string, datatyp : string, con : string, arg : typ option}
adamc@181 46
adamc@181 47 datatype pat' =
adamc@181 48 PWild
adamc@182 49 | PVar of string * typ
adamc@181 50 | PPrim of Prim.t
adamc@188 51 | PCon of datatype_kind * patCon * pat option
adamc@182 52 | PRecord of (string * pat * typ) list
adamc@288 53 | PNone of typ
adamc@288 54 | PSome of typ * pat
adamc@181 55
adamc@181 56 withtype pat = pat' located
adamc@181 57
adamc@29 58 datatype exp' =
adamc@29 59 EPrim of Prim.t
adamc@29 60 | ERel of int
adamc@29 61 | ENamed of int
adamc@188 62 | ECon of datatype_kind * patCon * exp option
adamc@297 63 | ENone of typ
adamc@290 64 | ESome of typ * exp
adamc@53 65 | EFfi of string * string
adamc@53 66 | EFfiApp of string * string * exp list
adamc@316 67 | EApp of exp * exp list
adamc@29 68
adamc@29 69 | ERecord of int * (string * exp) list
adamc@29 70 | EField of exp * string
adamc@29 71
adamc@182 72 | ECase of exp * (pat * exp) list * { disc : typ, result : typ }
adamc@181 73
adamc@283 74 | EError of exp * typ
adamc@283 75
adamc@102 76 | EWrite of exp
adamc@106 77 | ESeq of exp * exp
adamc@269 78 | ELet of string * typ * exp * exp
adamc@269 79
adamc@269 80 | EQuery of { exps : (string * typ) list,
adamc@269 81 tables : (string * (string * typ) list) list,
adamc@269 82 rnum : int,
adamc@269 83 state : typ,
adamc@269 84 query : exp,
adamc@269 85 body : exp,
adamc@282 86 initial : exp,
adamc@282 87 prepared : int option }
adamc@307 88 | EDml of { dml : exp,
adamc@307 89 prepared : int option }
adamc@102 90
adamc@29 91 withtype exp = exp' located
adamc@29 92
adamc@29 93 datatype decl' =
adamc@29 94 DStruct of int * (string * typ) list
adamc@188 95 | DDatatype of datatype_kind * string * int * (string * int * typ option) list
adamc@196 96 | DDatatypeForward of datatype_kind * string * int
adamc@29 97 | DVal of string * int * typ * exp
adamc@121 98 | DFun of string * int * (string * typ) list * typ * exp
adamc@129 99 | DFunRec of (string * int * (string * typ) list * typ * exp) list
adamc@273 100
adamc@273 101 | DTable of string * (string * typ) list
adamc@271 102 | DDatabase of string
adamc@282 103 | DPreparedStatements of (string * int) list
adamc@29 104
adamc@29 105 withtype decl = decl' located
adamc@29 106
adamc@144 107 type file = decl list * (Core.export_kind * string * int * typ list) list
adamc@29 108
adamc@29 109 end