OpenSolaris Launch

1 files changed, 278 insertions, 0 deletions

diff --git a/usr/src/tools/scripts/xref.sh b/usr/src/tools/scripts/xref.sh
new file mode 100644
index 0000000000..cad8be25e1
--- /dev/null
+++ b/usr/src/tools/scripts/xref.sh
@@ -0,0 +1,278 @@
+#! /bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License, Version 1.0 only
+# (the "License").  You may not use this file except in compliance
+# with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+#
+# Copyright 2002-2003 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+# ident	"%Z%%M%	%I%	%E% SMI"
+#
+# xref: build and maintain source cross-reference databases.
+#
+
+PATH=/usr/bin:/usr/ccs/bin:${BUILD_TOOLS:-/opt}/teamware/bin export PATH
+PROG=`basename $0`
+XREFMK=`dirname $0`/xref.mk
+XRMAKEFILE=Makefile export XRMAKEFILE
+
+#
+# The CSCOPEOPTIONS variable can cause problems if it's set in the environment
+# when using cscope; remove it.
+#
+unset CSCOPEOPTIONS
+
+#
+# The CDPATH variable causes ksh's `cd' builtin to emit messages to stdout
+# under certain circumstances, which can really screw things up; unset it.
+#
+unset CDPATH
+
+#
+# Print the provided failure message and exit with an error.
+#
+fail()
+{
+        echo $PROG: $@ > /dev/stderr
+        exit 1
+}
+
+#
+# Print the provided warning message.
+#
+warn()
+{
+        echo $PROG: warning: $@ > /dev/stderr
+}
+
+#
+# Print the provided informational message.
+#
+info()
+{
+        echo $PROG: $@
+}
+
+#
+# Print the provided informational message, and the current value of $SECONDS
+# in a user-friendly format.
+#
+timeinfo()
+{
+	typeset -Z2 sec
+	typeset min seconds
+
+	((seconds = SECONDS))
+	((min = seconds / 60))
+	((sec = seconds % 60))
+
+	info "$1 in ${min}m${sec}s"
+}
+
+#
+# If $CODEMGR_WS isn't set, then attempt to glean it from the workspace
+# command before giving up.
+#
+if [ -z "$CODEMGR_WS" ]; then
+	if whence workspace > /dev/null; then
+		#
+		# Since ws(1) hasn't been run, set up SRC and MACH too.
+		# Note that other environment variables, such as
+		# ENVCPPFLAGS*, can also affect the resulting
+		# cross-reference, but we assume that if the developer
+		# really cared, he would've ws'd first.
+		#
+		CODEMGR_WS=`workspace name` export CODEMGR_WS
+		SRC=$CODEMGR_WS/usr/src export SRC
+		MACH=`uname -p` export MACH
+	else
+		fail "No active workspace; run \"ws <workspace_name>\""
+	fi
+fi
+
+[ -d "$CODEMGR_WS" ] || fail "\$CODEMGR_WS ($CODEMGR_WS) is not a directory"
+[ -f $XREFMK ] || fail "cannot locate xref.mk"
+
+clobber=
+noflg=
+xrefs=
+
+while getopts cfm:px: flag; do
+	case $flag in
+	c)
+		clobber=y
+		;;
+	f)
+		noflg=y
+		;;
+	m)
+		XRMAKEFILE=$OPTARG
+		;;
+	p)
+		#
+		# The ENVCPPFLAGS* environment variables contain the include
+		# paths to our proto areas; clear 'em so that they don't end
+		# up in CPPFLAGS, and thus don't end up in XRINCS in xref.mk.
+		#
+		ENVCPPFLAGS1=
+		ENVCPPFLAGS2=
+		ENVCPPFLAGS3=
+		ENVCPPFLAGS4=
+		;;
+ 	x)
+		xrefs=$OPTARG
+		;;
+	\?)
+		echo "usage: $PROG [-cfp] [-m <makefile>]"\
+		     "[-x cscope|ctags|etags[,...]] [<subtree> ...]"\
+		      > /dev/stderr
+		exit 1
+		;;
+	esac
+done
+
+shift $((OPTIND - 1))
+
+#
+# Get the list of directories before we reset $@.
+#
+dirs=$@
+[ -z "$dirs" ] && dirs=.
+
+#
+# Get the canonical path to the workspace.  This allows xref to work
+# even in the presence of lofs(7FS).
+#
+cd $CODEMGR_WS
+CODEMGR_WS=`/bin/pwd`
+cd - > /dev/null
+
+#
+# Process the xref format list.  For convenience, support common synonyms
+# for the xref formats.
+#
+if [ -z "$xrefs" ]; then
+	#
+	# Disable etags if we can't find it.
+	#
+	xrefs="cscope ctags"
+	make -e -f $XREFMK xref.etags.check 2>/dev/null 1>&2 && \
+	    xrefs="$xrefs etags"
+else
+	oldifs=$IFS
+	IFS=,
+	set -- $xrefs
+	IFS=$oldifs
+
+	xrefs=
+	for xref; do
+		case $xref in
+		cscope|cscope.out)
+			xrefs="$xrefs cscope"
+			;;
+		ctags|tags)
+			xrefs="$xrefs ctags"
+			;;
+		etags|TAGS)
+			xrefs="$xrefs etags"
+			;;
+		*)
+			warn "ignoring unknown cross-reference \"$xref\""
+			;;
+ 		esac
+ 	done
+
+	[ -z "$xrefs" ] && fail "no known cross-reference formats specified"
+fi
+
+#
+# Process the requested list of directories.
+#
+for dir in $dirs; do
+	if [ ! -d $dir ]; then
+		warn "directory \"$dir\" does not exist; skipping"
+		continue
+	fi
+
+	#
+	# NOTE: we cannot use $PWD because it will mislead in the presence
+	# of lofs(7FS).
+	#
+	cd $dir || fail "cannot change to directory $dir"
+	pwd=`/bin/pwd`
+	reldir=${pwd##${CODEMGR_WS}/}
+	if [ "$reldir" = "$pwd" ]; then
+		warn "directory \"$pwd\" is not beneath \$CODEMGR_WS; skipping"
+		cd - > /dev/null
+		continue
+	fi
+
+	#
+	# If we're building cross-references, then run `xref.clean' first
+	# to purge any crud that may be lying around from previous aborted runs.
+	#
+	if [ -z "$clobber" ]; then
+		make -e -f $XREFMK xref.clean > /dev/null
+	fi
+
+	#
+	# Find flg-related source files, if requested.
+	#
+	if [ -z "$noflg" -a -z "$clobber" ]; then
+		SECONDS=0
+    		info "$reldir: finding flg-related source files"
+		make -e -f $XREFMK xref.flg > /dev/null
+		if [ $? -ne 0 ]; then
+			warn "$reldir: unable to find flg-related source files"
+		else
+			nfiles=`wc -l < xref.flg`
+			if [ "$nfiles" -eq 1 ]; then
+				msg="found 1 flg-related source file"
+			else
+				msg="found $nfiles flg-related source files"
+			fi
+			timeinfo "$reldir: $msg"
+		fi
+	fi
+
+	#
+	# Build or clobber all of the requested cross-references.
+	#
+	for xref in $xrefs; do
+		if [ -n "$clobber" ]; then
+			info "$reldir: clobbering $xref cross-reference"
+			make -e -f $XREFMK xref.${xref}.clobber > /dev/null ||
+ 			    warn "$reldir: cannot clobber $xref cross-reference"
+			continue
+		fi
+
+		SECONDS=0
+		info "$reldir: building $xref cross-reference"
+		make -e -f $XREFMK xref.${xref} > /dev/null ||
+		    fail "$reldir: cannot build $xref cross-reference"
+		timeinfo "$reldir: built $xref cross-reference"
+ 	done
+
+	make -e -f $XREFMK xref.clean > /dev/null ||
+	    warn "$reldir: cannot clean up temporary files"
+	cd - > /dev/null
+done
+exit 0