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Diffstat (limited to 'src/flat_util.sig')
| -rw-r--r-- | src/flat_util.sig | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/flat_util.sig b/src/flat_util.sig new file mode 100644 index 00000000..4e77f3c7 --- /dev/null +++ b/src/flat_util.sig @@ -0,0 +1,122 @@ +(* 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. + *) + +signature FLAT_UTIL = sig + +structure Typ : sig + val mapfold : (Flat.typ', 'state, 'abort) Search.mapfolder + -> (Flat.typ, 'state, 'abort) Search.mapfolder + + val map : (Flat.typ' -> Flat.typ') + -> Flat.typ -> Flat.typ + + val fold : (Flat.typ' * 'state -> 'state) + -> 'state -> Flat.typ -> 'state + + val exists : (Flat.typ' -> bool) -> Flat.typ -> bool +end + +structure Exp : sig + datatype binder = + NamedT of string * int * Flat.typ option + | RelE of string * Flat.typ + | NamedE of string * int * Flat.typ * Flat.exp option + + val mapfoldB : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : ('typtext, Flat.exp', 'state, 'abort) Search.mapfolderB, + bind : 'typtext * binder -> 'typtext} + -> ('typtext, Flat.exp, 'state, 'abort) Search.mapfolderB + val mapfold : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : (Flat.exp', 'state, 'abort) Search.mapfolder} + -> (Flat.exp, 'state, 'abort) Search.mapfolder + + val map : {typ : Flat.typ' -> Flat.typ', + exp : Flat.exp' -> Flat.exp'} + -> Flat.exp -> Flat.exp + val mapB : {typ : Flat.typ' -> Flat.typ', + exp : 'typtext -> Flat.exp' -> Flat.exp', + bind : 'typtext * binder -> 'typtext} + -> 'typtext -> (Flat.exp -> Flat.exp) + + val fold : {typ : Flat.typ' * 'state -> 'state, + exp : Flat.exp' * 'state -> 'state} + -> 'state -> Flat.exp -> 'state + + val exists : {typ : Flat.typ' -> bool, + exp : Flat.exp' -> bool} -> Flat.exp -> bool +end + +structure Decl : sig + datatype binder = datatype Exp.binder + + val mapfoldB : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : ('typtext, Flat.exp', 'state, 'abort) Search.mapfolderB, + decl : ('typtext, Flat.decl', 'state, 'abort) Search.mapfolderB, + bind : 'typtext * binder -> 'typtext} + -> ('typtext, Flat.decl, 'state, 'abort) Search.mapfolderB + val mapfold : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : (Flat.exp', 'state, 'abort) Search.mapfolder, + decl : (Flat.decl', 'state, 'abort) Search.mapfolder} + -> (Flat.decl, 'state, 'abort) Search.mapfolder + + val fold : {typ : Flat.typ' * 'state -> 'state, + exp : Flat.exp' * 'state -> 'state, + decl : Flat.decl' * 'state -> 'state} + -> 'state -> Flat.decl -> 'state +end + +structure File : sig + datatype binder = + NamedT of string * int * Flat.typ option + | RelE of string * Flat.typ + | NamedE of string * int * Flat.typ * Flat.exp option + | F of int * string * Flat.typ * Flat.typ * Flat.exp + + val mapfoldB : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : ('typtext, Flat.exp', 'state, 'abort) Search.mapfolderB, + decl : ('typtext, Flat.decl', 'state, 'abort) Search.mapfolderB, + bind : 'typtext * binder -> 'typtext} + -> ('typtext, Flat.file, 'state, 'abort) Search.mapfolderB + + val mapfold : {typ : (Flat.typ', 'state, 'abort) Search.mapfolder, + exp : (Flat.exp', 'state, 'abort) Search.mapfolder, + decl : (Flat.decl', 'state, 'abort) Search.mapfolder} + -> (Flat.file, 'state, 'abort) Search.mapfolder + + val mapB : {typ : Flat.typ' -> Flat.typ', + exp : 'typtext -> Flat.exp' -> Flat.exp', + decl : 'typtext -> Flat.decl' -> Flat.decl', + bind : 'typtext * binder -> 'typtext} + -> 'typtext -> Flat.file -> Flat.file + + val fold : {typ : Flat.typ' * 'state -> 'state, + exp : Flat.exp' * 'state -> 'state, + decl : Flat.decl' * 'state -> 'state} + -> 'state -> Flat.file -> 'state +end + +end |