gecko-dev/tools/uuiddeps/uuidgrep.bash

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#!/bin/bash
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is uuidgrep.bash code, released
# Nov 26, 2002.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 2002
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Garrett Arch Blythe, 26-November-2002
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
#
# 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