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Diffstat (limited to 'src/proguard/classfile/visitor/SimilarMemberVisitor.java')
| -rw-r--r-- | src/proguard/classfile/visitor/SimilarMemberVisitor.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/proguard/classfile/visitor/SimilarMemberVisitor.java b/src/proguard/classfile/visitor/SimilarMemberVisitor.java new file mode 100644 index 0000000..6dc06af --- /dev/null +++ b/src/proguard/classfile/visitor/SimilarMemberVisitor.java @@ -0,0 +1,125 @@ +/* + * 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.classfile.visitor; + +import proguard.classfile.*; + +/** + * This <code>MemberVisitor</code> lets a given <code>MemberVisitor</code> + * visit all members that have the same name and type as the visited methods + * in the class hierarchy of a given target class. + * + * @author Eric Lafortune + */ +public class SimilarMemberVisitor +implements MemberVisitor +{ + private final Clazz targetClass; + private final boolean visitThisMember; + private final boolean visitSuperMembers; + private final boolean visitInterfaceMembers; + private final boolean visitOverridingMembers; + private final MemberVisitor memberVisitor; + + + /** + * Creates a new SimilarMemberVisitor. + * @param targetClass the class in whose hierarchy to look for + * the visited class members. + * @param visitThisMember specifies whether to visit the class + * members in the target class itself. + * @param visitSuperMembers specifies whether to visit the class + * members in the super classes of the target + * class. + * @param visitInterfaceMembers specifies whether to visit the class + * members in the interface classes of the + * target class. + * @param visitOverridingMembers specifies whether to visit the class + * members in the subclasses of the target + * class. + * @param memberVisitor the <code>MemberVisitor</code> to which + * visits will be delegated. + */ + public SimilarMemberVisitor(Clazz targetClass, + boolean visitThisMember, + boolean visitSuperMembers, + boolean visitInterfaceMembers, + boolean visitOverridingMembers, + MemberVisitor memberVisitor) + { + this.targetClass = targetClass; + this.visitThisMember = visitThisMember; + this.visitSuperMembers = visitSuperMembers; + this.visitInterfaceMembers = visitInterfaceMembers; + this.visitOverridingMembers = visitOverridingMembers; + this.memberVisitor = memberVisitor; + } + + + // Implementations for MemberVisitor. + + public void visitProgramField(ProgramClass programClass, ProgramField programField) + { + targetClass.hierarchyAccept(visitThisMember, + visitSuperMembers, + visitInterfaceMembers, + visitOverridingMembers, + new NamedFieldVisitor(programField.getName(programClass), + programField.getDescriptor(programClass), + memberVisitor)); + } + + + public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) + { + targetClass.hierarchyAccept(visitThisMember, + visitSuperMembers, + visitInterfaceMembers, + visitOverridingMembers, + new NamedFieldVisitor(libraryField.getName(libraryClass), + libraryField.getDescriptor(libraryClass), + memberVisitor)); + } + + + public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) + { + targetClass.hierarchyAccept(visitThisMember, + visitSuperMembers, + visitInterfaceMembers, + visitOverridingMembers, + new NamedMethodVisitor(programMethod.getName(programClass), + programMethod.getDescriptor(programClass), + memberVisitor)); + } + + + public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) + { + targetClass.hierarchyAccept(visitThisMember, + visitSuperMembers, + visitInterfaceMembers, + visitOverridingMembers, + new NamedMethodVisitor(libraryMethod.getName(libraryClass), + libraryMethod.getDescriptor(libraryClass), + memberVisitor)); + } +}
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