diff -r 000000000000 -r 6474c204b198 tools/uuiddeps/uuidgrep.bash
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/uuiddeps/uuidgrep.bash	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,120 @@
+#!/bin/bash
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#
+# This file is meant to be run from the parent directory of the
+#  source tree.
+# It does some fairly brain dead grepping to determine where
+#  uuids are defined, and where they may be refereced.
+#
+# A report is generated in the end, which could be saved.
+# There are two sections to the report, on one usage and one on
+#  definitions.
+#
+# One day a stronger tool will likely be written, but this is a start
+#  on reporting source dependencies on uuids.
+#
+
+
+# Place to store stuff.
+MYTMPDIR=`mktemp -d /tmp/deps.tmp.XXXXXXXX`
+
+# What we are matching on.
+# If you want only CIDs, or IIDs, change.
+SEARCHING4="[~#]*NS_DEFINE_[CI]ID[:space:]*(.*,.*)[:space:]*;"
+
+# Find the source files.
+# Exclude the dist directory to find the headers in their natural dirs.
+ALLSOURCEFILES=$MYTMPDIR/allsources.txt
+find . -type f -and \( -name \*.cpp -or -name \*.c -or -name \*.h \) > $ALLSOURCEFILES
+
+# Go through the sources and find what we want.
+# Assuming it is all on one line....
+export IDMATCHFILE=$MYTMPDIR/idmatches.txt
+xargs -l grep -Hn $SEARCHING4 < $ALLSOURCEFILES > $IDMATCHFILE
+
+# Separate the variable names out of the matches.
+# We have the possibility here of having duplicates with differing names
+#  or of having different CIDs with the same names here, but this is as
+#  good as it gets for now.
+VARNAMESFILE=$MYTMPDIR/varnames.txt
+sed "{ s/.*://; s/\/\/.*//; s/\/\*.*\*\///; s/.*(//; s/[#,].*//; s/ *//; }" < $IDMATCHFILE | grep -v \^\$ | sort | uniq > $VARNAMESFILE
+
+# Create a file that has states which variable were defined where.
+# This also helps with identification of duplicate names
+export DEFINITIONFILE=$MYTMPDIR/definevars.txt
+testdefinition () {
+    FILENAMES=`grep $0 $IDMATCHFILE | sed s/:.*//`
+    if [ "" != "$FILENAMES" ]; then
+	echo $0:$FILENAMES
+    fi
+}
+export -f testdefinition
+xargs -l bash -c testdefinition < $VARNAMESFILE > $DEFINITIONFILE
+export -n testdefinition
+
+# Find all sources which use variable names.
+# This will imply which libraries use the IDs, subsequently linking with said
+#  library would cause a dependency.
+# This is an inferior matching method compared to actually looking at the
+#  symbols in resultant binaries.
+export GREPVARMATCHFILE=$MYTMPDIR/grepvarmatches.txt
+xargs -l grep -F -Hn --file=$VARNAMESFILE < $ALLSOURCEFILES > $GREPVARMATCHFILE
+
+# Make a variable match file that is more readable.
+# Basically, remove the actual code and leave only varaible to file mapping.
+export VARMATCHFILE=$MYTMPDIR/usevars.txt
+testvarname () {
+    grep $0 $GREPVARMATCHFILE | sed s/:.*$0.*/:$0/
+}
+export -f testvarname
+xargs -l bash -c testvarname < $VARNAMESFILE | sort | uniq > $VARMATCHFILE
+export -n testvarname
+
+# Make a file which only contains filenames that use variables.
+LISTUSERFILES=$MYTMPDIR/listuserfiles.txt
+stripfname() {
+    THEFNAME=`echo $0 | sed s/:.*//`
+    echo $THEFNAME
+}
+export -f stripfname
+xargs -l bash -c stripfname < $VARMATCHFILE | sort | uniq > $LISTUSERFILES
+export -n stripfname
+
+# Output a delimiter.
+# Output a list of files that use the vars.
+# With each file, output the variable names.
+echo -e \*\*\* DELIMITER \*\*\*  FILE depends on ID\\n
+listusers() {
+    echo -e $0 depends on:
+    SYMBOLS=`grep $0 $VARMATCHFILE | sed s/.*://`
+    for symbol in $SYMBOLS; do
+	echo -e \\t$symbol
+    done
+    echo -e \\n
+}
+export -f listusers
+xargs -l bash -c listusers < $LISTUSERFILES
+export -n listusers
+
+# Output a delimiter.
+# Output a list of variables.
+# With each variable, output the files which defined them.
+echo -e \*\*\* DELIMITER \*\*\*  ID defined in FILE\\n
+listdefs() {
+    echo -e $0 defined in:
+    DEFINES=`grep $0 $DEFINITIONFILE | sed s/.*://`
+    for define in $DEFINES; do
+	echo -e \\t$define
+    done
+    echo -e \\n
+}
+export -f listdefs
+xargs -l bash -c listdefs < $VARNAMESFILE
+export -n listdefs
+
+# Done with the temporary stuff.
+rm -rf $MYTMPDIR