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BodyTransformer.java
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72 lines (63 loc) · 2.63 KB
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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 - 1999 Patrick Lam
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.Collections;
import java.util.Map;
/**
* An abstract class which acts on a Body. This class provides a harness and acts as an interface for classes that wish to
* transform a Body. Subclasses provide the actual Body transformation implementation.
*/
public abstract class BodyTransformer extends Transformer {
private static final Map<String, String> enabledOnlyMap = Collections.singletonMap("enabled", "true");
/**
* Called by clients of the transformation. Acts as a generic interface for BodyTransformers. Calls internalTransform with
* the optionsString properly set up. That is, the options in optionsString override those in the Scene.
*
* @param b
* the body on which to apply the transformation
* @param phaseName
* phaseName for the transform. Used to retrieve options from the Scene.
*/
public final void transform(Body b, String phaseName, Map<String, String> options) {
if (PhaseOptions.getBoolean(options, "enabled")) {
internalTransform(b, phaseName, options);
}
}
public final void transform(Body b, String phaseName) {
internalTransform(b, phaseName, enabledOnlyMap);
}
public final void transform(Body b) {
transform(b, "");
}
/**
* This method is called to perform the transformation itself. It is declared abstract; subclasses must implement this
* method by making it the entry point to their actual Body transformation.
*
* @param b
* the body on which to apply the transformation
* @param phaseName
* the phasename for this transform; not typically used by implementations.
* @param options
* the actual computed options; a combination of default options and Scene specified options.
*/
protected abstract void internalTransform(Body b, String phaseName, Map<String, String> options);
}