Import urweb_20170720+dfsg.orig.tar.gz

[dgit import orig urweb_20170720+dfsg.orig.tar.gz]

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diff --git a/src/elaborate.sig b/src/elaborate.sig
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+(* Copyright (c) 2008, 2012, 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 ELABORATE = sig
+
+    val elabFile : Source.sgn_item list -> Time.time
+                   -> Source.decl list -> Source.sgn_item list -> Time.time
+                   -> ElabEnv.env -> Source.file -> Elab.file
+
+    val resolveClass : ElabEnv.env -> Elab.con -> Elab.exp option
+
+    val dumpTypes : bool ref
+    (* After elaboration (successful or failed), should I output a mapping from
+     * all identifiers to their kinds/types? *)
+
+    val dumpTypesOnError : bool ref
+    (* Like above, but only used if there are compile errors. *)
+
+    val unifyMore : bool ref
+    (* Run all phases of type inference, even if an error is detected by an
+     * early phase. *)
+
+    val incremental : bool ref
+    val verbose : bool ref
+
+end