/usr/share/doc/javacc/examples/Obfuscator/Globals.java is in javacc-doc 5.0-5.
This file is owned by root:root, with mode 0o644.
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.*;
import java.util.*;
public class Globals {
// The mappings from old id's to new id's.
static Hashtable mappings = new Hashtable();
// A table of targets of all known mappings.
static Hashtable mapTargets = new Hashtable();
// These id's may not be changed.
static Hashtable noChangeIds = new Hashtable();
// These id's should be used for mappings.
static Hashtable useIds = new Hashtable();
// The location of the input and output directories.
static File inpDir, outDir;
// Set to true by Java parser if class has a main program.
static boolean mainExists;
// Returns the map of old to obfuscated id. If map does not
// exist, it is created.
static String map(String str) {
Object obj = mappings.get(str);
if (obj != null) {
return (String)obj;
}
if (useIds.isEmpty()) {
String newId = "O0" + counter++;
mappings.put(str, newId);
return newId;
} else {
obj = useIds.keys().nextElement();
useIds.remove(obj);
String newId = (String)obj;
mappings.put(str, newId);
return newId;
}
}
// A counter used to generate new identifiers
static int counter = 0;
}
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