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(* Copyright (c) 2008, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
structure Expl = struct
type 'a located = 'a ErrorMsg.located
datatype kind' =
KType
| KArrow of kind * kind
| KName
| KUnit
| KTuple of kind list
| KRecord of kind
| KRel of int
| KFun of string * kind
withtype kind = kind' located
datatype con' =
TFun of con * con
| TCFun of string * kind * con
| TRecord of con
| CRel of int
| CNamed of int
| CModProj of int * string list * string
| CApp of con * con
| CAbs of string * kind * con
| CKAbs of string * con
| CKApp of con * kind
| TKFun of string * con
| CName of string
| CRecord of kind * (con * con) list
| CConcat of con * con
| CMap of kind * kind
| CUnit
| CTuple of con list
| CProj of con * int
withtype con = con' located
datatype datatype_kind = datatype Elab.datatype_kind
datatype patCon =
PConVar of int
| PConProj of int * string list * string
datatype pat' =
PWild
| PVar of string * con
| PPrim of Prim.t
| PCon of datatype_kind * patCon * con list * pat option
| PRecord of (string * pat * con) list
withtype pat = pat' located
datatype exp' =
EPrim of Prim.t
| ERel of int
| ENamed of int
| EModProj of int * string list * string
| EApp of exp * exp
| EAbs of string * con * con * exp
| ECApp of exp * con
| ECAbs of string * kind * exp
| EKAbs of string * exp
| EKApp of exp * kind
| ERecord of (con * exp * con) list
| EField of exp * con * { field : con, rest : con }
| EConcat of exp * con * exp * con
| ECut of exp * con * { field : con, rest : con }
| ECutMulti of exp * con * { rest : con }
| ECase of exp * (pat * exp) list * { disc : con, result : con }
| EWrite of exp
| ELet of string * con * exp * exp
withtype exp = exp' located
datatype sgn_item' =
SgiConAbs of string * int * kind
| SgiCon of string * int * kind * con
| SgiDatatype of string * int * string list * (string * int * con option) list
| SgiDatatypeImp of string * int * int * string list * string * string list * (string * int * con option) list
| SgiVal of string * int * con
| SgiSgn of string * int * sgn
| SgiStr of string * int * sgn
and sgn' =
SgnConst of sgn_item list
| SgnVar of int
| SgnFun of string * int * sgn * sgn
| SgnWhere of sgn * string * con
| SgnProj of int * string list * string
withtype sgn_item = sgn_item' located
and sgn = sgn' located
datatype decl' =
DCon of string * int * kind * con
| DDatatype of string * int * string list * (string * int * con option) list
| DDatatypeImp of string * int * int * string list * string * string list * (string * int * con option) list
| DVal of string * int * con * exp
| DValRec of (string * int * con * exp) list
| DSgn of string * int * sgn
| DStr of string * int * sgn * str
| DFfiStr of string * int * sgn
| DExport of int * sgn * str
| DTable of int * string * int * con * exp * con * exp * con
| DSequence of int * string * int
| DDatabase of string
| DCookie of int * string * int * con
| DStyle of int * string * int
and str' =
StrConst of decl list
| StrVar of int
| StrProj of str * string
| StrFun of string * int * sgn * sgn * str
| StrApp of str * str
withtype decl = decl' located
and str = str' located
type file = decl list
end
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