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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.
+ *)
+
+signature CORE_UTIL = sig
+
+structure Kind : sig
+ val compare : Core.kind * Core.kind -> order
+
+ val mapfoldB : {kind : ('context, Core.kind', 'state, 'abort) Search.mapfolderB,
+ bind : 'context * string -> 'context}
+ -> ('context, Core.kind, 'state, 'abort) Search.mapfolderB
+ val mapfold : (Core.kind', 'state, 'abort) Search.mapfolder
+ -> (Core.kind, 'state, 'abort) Search.mapfolder
+ val map : (Core.kind' -> Core.kind') -> Core.kind -> Core.kind
+ val exists : (Core.kind' -> bool) -> Core.kind -> bool
+ val mapB : {kind : 'context -> Core.kind' -> Core.kind',
+ bind : 'context * string -> 'context}
+ -> 'context -> (Core.kind -> Core.kind)
+end
+
+structure Con : sig
+ val compare : Core.con * Core.con -> order
+
+ datatype binder =
+ RelK of string
+ | RelC of string * Core.kind
+ | NamedC of string * int * Core.kind * Core.con option
+
+ val mapfoldB : {kind : ('context, Core.kind', 'state, 'abort) Search.mapfolderB,
+ con : ('context, Core.con', 'state, 'abort) Search.mapfolderB,
+ bind : 'context * binder -> 'context}
+ -> ('context, Core.con, 'state, 'abort) Search.mapfolderB
+ val mapfold : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+ con : (Core.con', 'state, 'abort) Search.mapfolder}
+ -> (Core.con, 'state, 'abort) Search.mapfolder
+
+ val map : {kind : Core.kind' -> Core.kind',
+ con : Core.con' -> Core.con'}
+ -> Core.con -> Core.con
+
+ val mapB : {kind : 'context -> Core.kind' -> Core.kind',
+ con : 'context -> Core.con' -> Core.con',
+ bind : 'context * binder -> 'context}
+ -> 'context -> (Core.con -> Core.con)
+
+ val fold : {kind : Core.kind' * 'state -> 'state,
+ con : Core.con' * 'state -> 'state}
+ -> 'state -> Core.con -> 'state
+
+ val exists : {kind : Core.kind' -> bool,
+ con : Core.con' -> bool} -> Core.con -> bool
+
+ val existsB : {kind : 'context * Core.kind' -> bool,
+ con : 'context * Core.con' -> bool,
+ bind : 'context * binder -> 'context}
+ -> 'context -> Core.con -> bool
+
+ val foldMap : {kind : Core.kind' * 'state -> Core.kind' * 'state,
+ con : Core.con' * 'state -> Core.con' * 'state}
+ -> 'state -> Core.con -> Core.con * 'state
+end
+
+structure Exp : sig
+ val compare : Core.exp * Core.exp -> order
+
+ datatype binder =
+ RelK of string
+ | RelC of string * Core.kind
+ | NamedC of string * int * Core.kind * Core.con option
+ | RelE of string * Core.con
+ | NamedE of string * int * Core.con * Core.exp option * string
+
+ val mapfoldB : {kind : ('context, Core.kind', 'state, 'abort) Search.mapfolderB,
+ con : ('context, Core.con', 'state, 'abort) Search.mapfolderB,
+ exp : ('context, Core.exp', 'state, 'abort) Search.mapfolderB,
+ bind : 'context * binder -> 'context}
+ -> ('context, Core.exp, 'state, 'abort) Search.mapfolderB
+ val mapfold : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+ con : (Core.con', 'state, 'abort) Search.mapfolder,
+ exp : (Core.exp', 'state, 'abort) Search.mapfolder}
+ -> (Core.exp, 'state, 'abort) Search.mapfolder
+
+ val map : {kind : Core.kind' -> Core.kind',
+ con : Core.con' -> Core.con',
+ exp : Core.exp' -> Core.exp'}
+ -> Core.exp -> Core.exp
+ val mapB : {kind : 'context -> Core.kind' -> Core.kind',
+ con : 'context -> Core.con' -> Core.con',
+ exp : 'context -> Core.exp' -> Core.exp',
+ bind : 'context * binder -> 'context}
+ -> 'context -> (Core.exp -> Core.exp)
+
+ val fold : {kind : Core.kind' * 'state -> 'state,
+ con : Core.con' * 'state -> 'state,
+ exp : Core.exp' * 'state -> 'state}
+ -> 'state -> Core.exp -> 'state
+
+ val foldB : {kind : 'context * Core.kind' * 'state -> 'state,
+ con : 'context * Core.con' * 'state -> 'state,
+ exp : 'context * Core.exp' * 'state -> 'state,
+ bind : 'context * binder -> 'context}
+ -> 'context -> 'state -> Core.exp -> 'state
+
+ val exists : {kind : Core.kind' -> bool,
+ con : Core.con' -> bool,
+ exp : Core.exp' -> bool} -> Core.exp -> bool
+
+ val existsB : {kind : 'context * Core.kind' -> bool,
+ con : 'context * Core.con' -> bool,
+ exp : 'context * Core.exp' -> bool,
+ bind : 'context * binder -> 'context}
+ -> 'context -> Core.exp -> bool
+
+ val foldMap : {kind : Core.kind' * 'state -> Core.kind' * 'state,
+ con : Core.con' * 'state -> Core.con' * 'state,
+ exp : Core.exp' * 'state -> Core.exp' * 'state}
+ -> 'state -> Core.exp -> Core.exp * 'state
+ val foldMapB : {kind : 'context * Core.kind' * 'state -> Core.kind' * 'state,
+ con : 'context * Core.con' * 'state -> Core.con' * 'state,
+ exp : 'context * Core.exp' * 'state -> Core.exp' * 'state,
+ bind : 'context * binder -> 'context}
+ -> 'context -> 'state -> Core.exp -> Core.exp * 'state
+end
+
+structure Decl : sig
+ datatype binder = datatype Exp.binder
+
+ val mapfoldB : {kind : ('context, Core.kind', 'state, 'abort) Search.mapfolderB,
+ con : ('context, Core.con', 'state, 'abort) Search.mapfolderB,
+ exp : ('context, Core.exp', 'state, 'abort) Search.mapfolderB,
+ decl : ('context, Core.decl', 'state, 'abort) Search.mapfolderB,
+ bind : 'context * binder -> 'context}
+ -> ('context, Core.decl, 'state, 'abort) Search.mapfolderB
+ val mapfold : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+ con : (Core.con', 'state, 'abort) Search.mapfolder,
+ exp : (Core.exp', 'state, 'abort) Search.mapfolder,
+ decl : (Core.decl', 'state, 'abort) Search.mapfolder}
+ -> (Core.decl, 'state, 'abort) Search.mapfolder
+
+ val fold : {kind : Core.kind' * 'state -> 'state,
+ con : Core.con' * 'state -> 'state,
+ exp : Core.exp' * 'state -> 'state,
+ decl : Core.decl' * 'state -> 'state}
+ -> 'state -> Core.decl -> 'state
+
+ val foldMap : {kind : Core.kind' * 'state -> Core.kind' * 'state,
+ con : Core.con' * 'state -> Core.con' * 'state,
+ exp : Core.exp' * 'state -> Core.exp' * 'state,
+ decl : Core.decl' * 'state -> Core.decl' * 'state}
+ -> 'state -> Core.decl -> Core.decl * 'state
+ val foldMapB : {kind : 'context * Core.kind' * 'state -> Core.kind' * 'state,
+ con : 'context * Core.con' * 'state -> Core.con' * 'state,
+ exp : 'context * Core.exp' * 'state -> Core.exp' * 'state,
+ decl : 'context * Core.decl' * 'state -> Core.decl' * 'state,
+ bind : 'context * binder -> 'context}
+ -> 'context -> 'state -> Core.decl -> Core.decl * 'state
+
+ val exists : {kind : Core.kind' -> bool,
+ con : Core.con' -> bool,
+ exp : Core.exp' -> bool,
+ decl : Core.decl' -> bool} -> Core.decl -> bool
+end
+
+structure File : sig
+ val maxName : Core.file -> int
+
+ datatype binder = datatype Exp.binder
+
+ val mapfoldB : {kind : ('context, Core.kind', 'state, 'abort) Search.mapfolderB,
+ con : ('context, Core.con', 'state, 'abort) Search.mapfolderB,
+ exp : ('context, Core.exp', 'state, 'abort) Search.mapfolderB,
+ decl : ('context, Core.decl', 'state, 'abort) Search.mapfolderB,
+ bind : 'context * binder -> 'context}
+ -> ('context, Core.file, 'state, 'abort) Search.mapfolderB
+
+ val mapfold : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+ con : (Core.con', 'state, 'abort) Search.mapfolder,
+ exp : (Core.exp', 'state, 'abort) Search.mapfolder,
+ decl : (Core.decl', 'state, 'abort) Search.mapfolder}
+ -> (Core.file, 'state, 'abort) Search.mapfolder
+
+ val mapB : {kind : 'context -> Core.kind' -> Core.kind',
+ con : 'context -> Core.con' -> Core.con',
+ exp : 'context -> Core.exp' -> Core.exp',
+ decl : 'context -> Core.decl' -> Core.decl',
+ bind : 'context * binder -> 'context}
+ -> 'context -> Core.file -> Core.file
+
+ val map : {kind : Core.kind' -> Core.kind',
+ con : Core.con' -> Core.con',
+ exp : Core.exp' -> Core.exp',
+ decl : Core.decl' -> Core.decl'}
+ -> Core.file -> Core.file
+
+ val fold : {kind : Core.kind' * 'state -> 'state,
+ con : Core.con' * 'state -> 'state,
+ exp : Core.exp' * 'state -> 'state,
+ decl : Core.decl' * 'state -> 'state}
+ -> 'state -> Core.file -> 'state
+
+ val foldMap : {kind : Core.kind' * 'state -> Core.kind' * 'state,
+ con : Core.con' * 'state -> Core.con' * 'state,
+ exp : Core.exp' * 'state -> Core.exp' * 'state,
+ decl : Core.decl' * 'state -> Core.decl' * 'state}
+ -> 'state -> Core.file -> Core.file * 'state
+end
+
+end
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