#!/bin/sh
#
# $Id: fixcpure,v 1.2 2005/04/26 17:50:57 wenzelm Exp $
# Author: Makarius
#
# DESCRIPTION: adapt theories and ML files to new CPure/Pure arrangement


## diagnostics

PRG="$(basename "$0")"

usage()
{
  echo
  echo "Usage: $PRG [FILES|DIRS...]"
  echo
  echo "  Recursively find .thy/.ML files, adapting them to"
  echo "  the new CPure/Pure arrangement"
  echo
  echo "  Renames old versions of FILES by appending \"~~\"."
  echo
  exit 1
}


## process command line

[ "$#" -eq 0 -o "$1" = "-?" ] && usage

SPECS="$@"; shift "$#"


## main

#set by configure
AUTO_PERL=perl

find $SPECS \( -name \*.thy -o -name \*.ML \) -print | \
  xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixcpure.pl"