From cce9fcf97f2def0b176303aa1832fe74a0b73686 Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Sun, 8 Jun 2008 13:59:29 -0400
Subject: Conversion to Core

---
 src/core_util.sig | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/core_util.sig

(limited to 'src/core_util.sig')

diff --git a/src/core_util.sig b/src/core_util.sig
new file mode 100644
index 00000000..a40e0664
--- /dev/null
+++ b/src/core_util.sig
@@ -0,0 +1,88 @@
+(* 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 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
+end
+
+structure Con : sig
+    datatype binder =
+             Rel of string * Core.kind
+           | Named of string * Core.kind
+
+    val mapfoldB : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+                    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 : Core.kind' -> Core.kind',
+                con : 'context -> Core.con' -> Core.con',
+                bind : 'context * binder -> 'context}
+               -> 'context -> (Core.con -> Core.con)
+    val exists : {kind : Core.kind' -> bool,
+                  con : Core.con' -> bool} -> Core.con -> bool
+end
+
+structure Exp : sig
+    datatype binder =
+             RelC of string * Core.kind
+           | NamedC of string * Core.kind
+           | RelE of string * Core.con
+           | NamedE of string * Core.con
+
+    val mapfoldB : {kind : (Core.kind', 'state, 'abort) Search.mapfolder,
+                    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 exists : {kind : Core.kind' -> bool,
+                  con : Core.con' -> bool,
+                  exp : Core.exp' -> bool} -> Core.exp -> bool
+end
+
+end
-- 
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