adam@1989: (* Copyright (c) 2014, Adam Chlipala
adam@1989:  * All rights reserved.
adam@1989:  *
adam@1989:  * Redistribution and use in source and binary forms, with or without
adam@1989:  * modification, are permitted provided that the following conditions are met:
adam@1989:  *
adam@1989:  * - Redistributions of source code must retain the above copyright notice,
adam@1989:  *   this list of conditions and the following disclaimer.
adam@1989:  * - Redistributions in binary form must reproduce the above copyright notice,
adam@1989:  *   this list of conditions and the following disclaimer in the documentation
adam@1989:  *   and/or other materials provided with the distribution.
adam@1989:  * - The names of contributors may not be used to endorse or promote products
adam@1989:  *   derived from this software without specific prior written permission.
adam@1989:  *
adam@1989:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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adam@1989:  *)
adam@1989: 
adam@1989: (* To simplify Corify, it helps to apply a particular kind of renaming to functor
adam@1989:  * bodies, so that nested functors refer only to fresh names.  The payoff is that
adam@1989:  * we can then implement applications of those nested functors by evaluating their
adam@1989:  * bodies in arbitrary later contexts, even where identifiers defined in the
adam@1989:  * outer functor body may have been shadowed. *)
adam@1989: 
adam@1989: signature EXPL_RENAME = sig
adam@1989: 
adam@1989:     val rename : {NextId : int,
adam@1989:                   FormalName : string,
adam@1989:                   FormalId : int,
adam@1989:                   Body : Expl.str} -> int * Expl.str
adam@1989: 
adam@1989: end