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Diffstat (limited to 'src/proguard/classfile/visitor/ExceptionHandlerFilter.java')
| -rw-r--r-- | src/proguard/classfile/visitor/ExceptionHandlerFilter.java | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/src/proguard/classfile/visitor/ExceptionHandlerFilter.java b/src/proguard/classfile/visitor/ExceptionHandlerFilter.java deleted file mode 100644 index 25df0ac..0000000 --- a/src/proguard/classfile/visitor/ExceptionHandlerFilter.java +++ /dev/null @@ -1,70 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 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.*; -import proguard.classfile.attribute.*; -import proguard.classfile.attribute.visitor.ExceptionInfoVisitor; - -/** - * This <code>ExceptionInfoVisitor</code> delegates its visits to another given - * <code>ExceptionInfoVisitor</code>, but only when the visited exception - * targets an instruction in the given range of offsets. - * - * @author Eric Lafortune - */ -public class ExceptionHandlerFilter -implements ExceptionInfoVisitor -{ - private final int startOffset; - private final int endOffset; - private final ExceptionInfoVisitor exceptionInfoVisitor; - - - /** - * Creates a new ExceptionHandlerFilter. - * @param startOffset the start of the instruction offset range. - * @param endOffset the end of the instruction offset range. - * @param exceptionInfoVisitor the ExceptionInfoVisitor to which visits - * will be delegated. - */ - public ExceptionHandlerFilter(int startOffset, - int endOffset, - ExceptionInfoVisitor exceptionInfoVisitor) - { - this.startOffset = startOffset; - this.endOffset = endOffset; - this.exceptionInfoVisitor = exceptionInfoVisitor; - } - - - // Implementations for ExceptionInfoVisitor. - - public void visitExceptionInfo(Clazz clazz, Method method, CodeAttribute codeAttribute, ExceptionInfo exceptionInfo) - { - int handlerPC = exceptionInfo.u2handlerPC; - if (handlerPC >= startOffset && - handlerPC < endOffset) - { - exceptionInfoVisitor.visitExceptionInfo(clazz, method, codeAttribute, exceptionInfo); - } - } -}
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