61 lines
2.2 KiB
Bash
61 lines
2.2 KiB
Bash
#!/bin/bash
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#
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# Copyright 2015 Google, Inc. All Rights Reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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usage() {
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(
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echo "$0 DIR ..."
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echo "Modifies in place all the java source files found"
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echo "in the given directories so that all java language modifiers"
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echo "are in the canonical order given by Modifier#toString()."
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echo "Tries to get it right even within javadoc comments,"
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echo "and even if the list of modifiers spans 2 lines."
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echo
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echo "See:"
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echo "https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Modifier.html#toString-int-"
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echo
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echo "Example:"
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echo "$0 jdk/src/java.base jdk/test/java/{util,io,lang}"
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) >&2
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exit 1
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}
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set -eu
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declare -ar dirs=("$@")
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[[ "${#dirs[@]}" > 0 ]] || usage
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for dir in "${dirs[@]}"; do [[ -d "$dir" ]] || usage; done
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declare -ar modifiers=(
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public protected private
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abstract static final transient
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volatile synchronized native strictfp
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)
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declare -r SAVE_IFS="$IFS"
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for ((i = 3; i < "${#modifiers[@]}"; i++)); do
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IFS='|'; x="${modifiers[*]:0:i}" y="${modifiers[*]:i}"; IFS="$SAVE_IFS"
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if [[ -n "$x" && -n "$y" ]]; then
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find "${dirs[@]}" -name '*.java' -type f -print0 | \
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xargs -0 perl -0777 -p -i -e \
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"do {} while s/^([A-Za-z@* ]*)\b($y)(\s|(?:\s|\n\s+\*)*\s)($x)\b/\1\4\3\2/mg"
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fi
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done
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