#! /bin/sh
# Display files that use a particular module.
# 
# Use: callee module
#
# Todo: arrange to kill the file if the script is interrupted.

if [ $# != 1 ] ; then
	echo "Use: callee module"
	exit 1
fi

module=$1
echo "Dependencies on ${module}:"
echo " "

tmpFile=/tmp/callee$$

rm -f $tmpFile
touch $tmpFile

# Find all the header files in the module.  Then find all the source
# files that use them.

# Asking for, e.g., lock.h, causes lid to tell us about, e.g.,
# timerClock.h.  This is a bit gnarly to fix.
# Asking for, e.g., "vm.h" gets references to, e.g., "vmShmLock".
# This is fixed by the fgrep.

for f in $module/*.h ; do 
	fileName=`basename $f`
	lid $fileName | fgrep $fileName >> $tmpFile
done

# Can't use awk for formatting - lid can generate lines that are too
# long for it.  Dunno how to put newline or tab into the file using
# sed.

emacs -batch $tmpFile -l /users/kupfer/emacs/callee.el -f save-buffer > /dev/null
cat $tmpFile
rm $tmpFile