util.sh

是一款用JAVA 编写的编译器 具有很强的编译功能

#
# Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
# CA 95054 USA or visit www.sun.com if you need additional information or
# have any questions.
#

# Utilities for shell tests

: ${TESTSRC=.} ${TESTCLASSES=.}
 java="${TESTJAVA+${TESTJAVA}/bin/}java"
javac="${TESTJAVA+${TESTJAVA}/bin/}javac"
  jar="${TESTJAVA+${TESTJAVA}/bin/}jar"

case `uname -s` in
  Windows*|CYGWIN*)
    WindowsOnly() { "$@"; }
    UnixOnly() { :; }
    PS=";" ;;
  *)
    UnixOnly() { "$@"; }
    WindowsOnly() { :; }
    PS=":";;
esac

failed=""
Fail() { echo "FAIL: $1"; failed="${failed}."; }

Die() { printf "%s\n" "$*"; exit 1; }

Sys() {
    printf "%s\n" "$*"; "$@"; rc="$?";
    test "$rc" -eq 0 || Die "Command \"$*\" failed with exitValue $rc";
}

CheckFiles() {
    for f in "$@"; do test -r "$f" || Die "File $f not found"; done
}

Report() {
    test "$#" != 2 && Die "Usage: Report success|failure rc"

    if   test "$1" = "success" -a "$2" = 0; then
	echo "PASS: succeeded as expected"
    elif test "$1" = "failure" -a "$2" != 0; then
	echo "PASS: failed as expected"
    elif test "$1" = "success" -a "$2" != 0; then
	Fail "test failed unexpectedly"
    elif test "$1" = "failure" -a "$2" = 0; then
	Fail "test succeeded unexpectedly"
    else
	Die "Usage: Report success|failure rc"
    fi
}

MkManifestWithClassPath() {
    (echo "Manifest-Version: 1.0"; echo "Class-Path: $*") > MANIFEST.MF
}

HorizontalRule() {
    echo "-----------------------------------------------------------------"
}

Test() {
    HorizontalRule
    expectedResult="$1"; shift
    printf "%s\n" "$*"
    "$@"
    Report "$expectedResult" "$?"
}

Failure() { Test failure "$@"; }
Success() { Test success "$@"; }

Bottom() {
    test "$#" = 1 -a "$1" = "Line" || Die "Usage: Bottom Line"

    if test -n "$failed"; then
	count=`printf "%s" "$failed" | wc -c | tr -d ' '`
	echo "FAIL: $count tests failed"
	exit 1
    else
	echo "PASS: all tests gave expected results"
	exit 0
    fi
}

BadJarFile() {
    for jarfilename in "$@"; do pwd > "$jarfilename"; done
}

#----------------------------------------------------------------
# Usage: BCP=`DefaultBootClassPath`
# Returns default bootclasspath, discarding non-existent entries
#----------------------------------------------------------------
DefaultBootClassPath() {
    echo 'public class B {public static void main(String[] a) {
    System.out.println(System.getProperty("sun.boot.class.path"));}}' > B.java
    "$javac" ${TESTTOOLVMOPTS} B.java
    _BCP_=""
    for elt in `"$java" ${TESTVMOPTS} B | tr "${PS}" " "`; do
	test -r "$elt" -a -n "$elt" && _BCP_="${_BCP_:+${_BCP_}${PS}}${elt}"
    done
    rm -f B.java B.class
    printf "%s" "$_BCP_"	# Don't use echo -- unsafe on Windows
}

#----------------------------------------------------------------
# Foil message localization
#----------------------------------------------------------------
DiagnosticsInEnglishPlease() {
    LANG="C" LC_ALL="C" LC_MESSAGES="C"; export LANG LC_ALL LC_MESSAGES
}