| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2009 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(); |
| } |
| } |
| } |