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Diffstat (limited to 'src/proguard/KeepClassMemberChecker.java')
-rw-r--r-- | src/proguard/KeepClassMemberChecker.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/proguard/KeepClassMemberChecker.java b/src/proguard/KeepClassMemberChecker.java new file mode 100644 index 0000000..3ea518e --- /dev/null +++ b/src/proguard/KeepClassMemberChecker.java @@ -0,0 +1,88 @@ +/* + * 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; + +import proguard.classfile.util.*; +import proguard.classfile.visitor.ClassVisitor; + +import java.util.List; + +/** + * This class checks if the user has forgotten to specify class members in + * some keep options in the configuration. + * + * @author Eric Lafortune + */ +public class KeepClassMemberChecker +extends SimplifiedVisitor +implements ClassVisitor +{ + private final WarningPrinter notePrinter; + + + /** + * Creates a new KeepClassMemberChecker. + */ + public KeepClassMemberChecker(WarningPrinter notePrinter) + { + this.notePrinter = notePrinter; + } + + + /** + * Checks if the given class specifications try to keep class members + * without actually specifying any, printing notes if necessary. Returns + * the number of notes printed. + */ + public void checkClassSpecifications(List keepClassSpecifications) + { + if (keepClassSpecifications != null) + { + for (int index = 0; index < keepClassSpecifications.size(); index++) + { + KeepClassSpecification keepClassSpecification = + (KeepClassSpecification)keepClassSpecifications.get(index); + + if (!keepClassSpecification.markClasses && + (keepClassSpecification.fieldSpecifications == null || + keepClassSpecification.fieldSpecifications.size() == 0) && + (keepClassSpecification.methodSpecifications == null || + keepClassSpecification.methodSpecifications.size() == 0)) + { + String className = keepClassSpecification.className; + if (className == null) + { + className = keepClassSpecification.extendsClassName; + } + + if (notePrinter.accepts(className)) + { + notePrinter.print(className, + "Note: the configuration doesn't specify which class members to keep for class '" + + (className == null ? + ConfigurationConstants.ANY_CLASS_KEYWORD : + ClassUtil.externalClassName(className)) + "'"); + } + } + } + } + } +} |