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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 Eric Lafortune (eric@graphics.cornell.edu)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 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 Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.optimize.evaluation;
import proguard.classfile.Clazz;
import proguard.classfile.attribute.CodeAttribute;
import proguard.evaluation.BasicBranchUnit;
import proguard.evaluation.value.Value;
/**
* This BranchUnit remembers the branch unit commands that are invoked on it.
*
* @author Eric Lafortune
*/
class TracedBranchUnit
extends BasicBranchUnit
{
// Implementations for BranchUnit.
public void branchConditionally(Clazz clazz,
CodeAttribute codeAttribute,
int offset,
int branchTarget,
int conditional)
{
if (conditional == Value.ALWAYS)
{
// Always branch.
super.branch(clazz, codeAttribute, offset, branchTarget);
}
else if (conditional != Value.NEVER)
{
// Maybe branch.
super.branchConditionally(clazz, codeAttribute, offset, branchTarget, conditional);
}
else
{
super.setCalled();
}
}
}
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