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#!/bin/sh
##===- utils/llvmdo - Counts Lines Of Code -------------------*- Script -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
#
# This script is a general purpose "apply" function for the source files in LLVM
# It uses "find" to locate all the source files and then applies the user's
# command to them. As such, this command is often not used by itself much but
# the other find related tools (countloc.sh,llvmgrep,getsrcs.sh,userloc.sh) are
# all based on this script. This script defines "what is a source file" in
# LLVM and so should be maintained if new directories, new file extensions,
# etc. are used in LLVM as it progresses.
#
# Usage:
# llvmdo [-topdir DIR] [-dirs "DIRNAMES..."] [-code-only] PROGRAM ARGS...
#
# The -topdir option allows you to specify the llvm source root directly. If it
# is not specified then it will be obtained with llvm-config which must be built
# and in your path.
#
# The -dirs argument allows you to specify the set of directories that are
# searched. The default list of directories searched is:
# include lib tools utils runtime autoconf docs test examples projects
# Note that you must use quotes around the list of directory names.
#
# The -code-only option specifies that only those files that are considered
# "code" should be visited. HTML documentation is considered code, but things
# like README files, etc. are not.
#
# Finally, you simply specify whatever program you want to run against each
# file and the arguments to give it. The PROGRAM will be given the file name
# as its last argument.
##===----------------------------------------------------------------------===##
if test $# -lt 1 ; then
echo "Usage: llvmdo [-topdir DIR] [-dirs "DIRNAMES..."] [-code-only] PROGRAM ARGS..."
exit 1
fi
if test "$1" = "-topdir" ; then
TOPDIR="$2"
shift; shift;
else
TOPDIR=`llvm-config --src-root`
fi
if test "$1" = "-dirs" ; then
LLVMDO_DIRS="$2"
shift ; shift
elif test -z "$LLVMDO_DIRS" ; then
LLVMDO_DIRS="include lib tools utils runtime autoconf docs test examples projects cmake"
fi
if test "$1" = "-code-only" ; then
CODE_ONLY="set"
shift
else
CODE_ONLY=""
fi
if test "$1" = "" ; then
echo "Missing program name to run"
exit 1
fi
PROGRAM=`which $1`
if test ! -x "$PROGRAM" ; then
echo "Can't execute $1"
exit 1
fi
shift;
paths_to_ignore="\
-path */.svn/ -o \
-path */.svn/* -o \
-path docs/doxygen/* -o \
-path docs/CommandGuide/html/* -o \
-path docs/CommandGuide/man/* -o \
-path docs/CommandGuide/ps/* -o \
-path docs/CommandGuide/man/* -o \
-path docs/HistoricalNotes/* -o \
-path docs/img/* -o \
-path */.libs/* -o \
-path lib/Support/bzip2/* -o \
-path projects/llvm-test/* \
"
files_to_match="\
-name *.ac \
-o -name *.b \
-o -name *.c \
-o -name *.cc \
-o -name *.cfg \
-o -name *.cpp \
-o -name *.css \
-o -name *.def \
-o -name *.el \
-o -name *.exp \
-o -name *.footer \
-o -name *.gnuplot' \
-o -name *.h \
-o -name *.header \
-o -name *.html \
-o -name *.in \
-o -name *.inc \
-o -name *.intro \
-o -name *.l \
-o -name *.ll \
-o -name *.lst \
-o -name *.m4 \
-o -name *.pod \
-o -name *.pl \
-o -name *.py \
-o -name *.sh \
-o -name *.schema \
-o -name *.st \
-o -name *.tcl \
-o -name *.td \
-o -name *.tr \
-o -name *.y \
-o -name Make* \
-o -name *.cmake \
-o -name llvmdo \
-o -name llvmgrep \
-o -name check-each-file \
-o -name codgen-diff \
-o -name llvm-native-gcc \
-o -name llvm-native-gxx \
-o -name makellvm \
-o -path include/llvm/ADT/ilist \
-o -path test/\*.ll \
-o -path test/Scripts/not \
-o -path runtime/\*.ll \
"
if test -z "$CODE_ONLY" ; then
files_to_match="$files_to_match \
-o -name *.txt \
-o -name *.TXT \
-o -name *.vim \
-o -name vimrc \
-o -name README \
-o -name COPYING.LIB \
-o -name LICENSE* "
fi
files_to_ignore="\
-name \.* \
-o -name *~ \
-o -name #* \
-o -name configure \
-o -name slow.ll \
-o -name *libtool* \
-o -name ltdl* \
-o -name ltdl.m4 \
-o -name ltmain.m4 \
-o -name ltmain.sh \
-o -name aclocal.m4 \
-o -name acinclude.m4 \
-o -name *LoopSimplifyCrash.ll \
-o -name *AST-Remove.ll \
-o -name PPCPerfectShuffle.h \
"
if test -d "$TOPDIR" ; then
cd $TOPDIR
# Have to use the right "find" on a per-platform basis. Most platforms have
# Gnu find as "find", but Solaris does not.
case `uname -s` in
SunOS) find_prog=gfind ;;
*) find_prog=find ;;
esac
# Turn off file name generation (globbing) so that substitution of the
# variables doesn't cause the shell to create lists of file names
set -f
$find_prog $LLVMDO_DIRS -type f \
\( $paths_to_ignore \) -prune \
-o \( \( $files_to_match \) \! \( $files_to_ignore \) \
-exec $PROGRAM "$@" {} \; \)
else
echo "Can't find LLVM top directory in $TOPDIR"
fi
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