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/*******************************************************************************
* Copyright (c) 2004, 2018 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Red Hat Inc. - generification
*******************************************************************************/
package org.eclipse.swt.tools.internal;
import java.lang.reflect.*;
public class CleanupConstants extends CleanupClass {
String getFieldValue(JNIField field) {
String name = field.getName();
int index = 0;
while (true) {
index = classSource.indexOf(name, index + 1);
if (index == -1) return null;
int equalsIndex = classSource.indexOf("=", index);
if (classSource.substring(index + name.length(), equalsIndex).trim().length() == 0) {
int semiIndex = classSource.indexOf(";", equalsIndex);
return classSource.substring(equalsIndex + 1, semiIndex).trim();
}
}
}
@Override
public void generate(JNIClass clazz) {
unusedCount = usedCount = 0;
super.generate(clazz);
JNIField[] fields = clazz.getDeclaredFields();
generate(fields);
output("used=" + usedCount + " unused=" + unusedCount + " total=" + (unusedCount + usedCount));
}
public void generate(JNIField[] fields) {
sort(fields);
for (JNIField field : fields) {
if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
generate(field);
}
}
public void generate(JNIField field) {
String name = field.getName();
for (String str : files.values()) {
if (str.indexOf(name) != -1) {
int modifiers = field.getModifiers();
String modifiersStr = Modifier.toString(modifiers);
output("\t");
output(modifiersStr);
if (modifiersStr.length() > 0) output(" ");
output(field.getType().getTypeSignature3(false));
output(" " );
output(field.getName());
output(" = ");
output(getFieldValue(field));
outputln(";");
usedCount++;
return;
}
}
unusedCount++;
//output("NOT USED=" + field.toString() + " \n");
}
public static void main(String[] args) {
if (args.length < 3) {
System.out.println("Usage: java CleanupConstants <OS className> <class source> <src path1> <src path2>");
return;
}
try {
CleanupConstants gen = new CleanupConstants();
String clazzName = args[0];
String classSource = args[1];
String[] sourcePath = new String[args.length - 2];
System.arraycopy(args, 2, sourcePath, 0, sourcePath.length);
Class<?> clazz = Class.forName(clazzName);
gen.setSourcePath(sourcePath);
gen.setClassSourcePath(classSource);
gen.generate(new ReflectClass(clazz));
} catch (Exception e) {
System.out.println("Problem");
e.printStackTrace(System.out);
}
}
}
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