| /* |
| * 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.attribute.preverification; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.*; |
| import proguard.classfile.attribute.preverification.visitor.StackMapFrameVisitor; |
| import proguard.classfile.attribute.visitor.AttributeVisitor; |
| |
| /** |
| * This Attribute represents an exceptions attribute. |
| * |
| * @author Eric Lafortune |
| */ |
| public class StackMapAttribute extends Attribute |
| { |
| public int u2stackMapFramesCount; |
| public FullFrame[] stackMapFrames; |
| |
| |
| /** |
| * Creates an uninitialized ExceptionsAttribute. |
| */ |
| public StackMapAttribute() |
| { |
| } |
| |
| |
| /** |
| * Creates a StackMapTableAttribute with the given stack map frames. |
| */ |
| public StackMapAttribute(FullFrame[] stackMapFrames) |
| { |
| this(stackMapFrames.length, stackMapFrames); |
| } |
| |
| |
| /** |
| * Creates a StackMapTableAttribute with the given stack map frames. |
| */ |
| public StackMapAttribute(int stackMapFramesCount, |
| FullFrame[] stackMapFrames) |
| { |
| this.u2stackMapFramesCount = stackMapFramesCount; |
| this.stackMapFrames = stackMapFrames; |
| } |
| |
| |
| |
| |
| // Implementations for Attribute. |
| |
| public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor) |
| { |
| attributeVisitor.visitStackMapAttribute(clazz, method, codeAttribute, this); |
| } |
| |
| |
| /** |
| * Applies the given stack map frame visitor to all stack map frames. |
| */ |
| public void stackMapFramesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, StackMapFrameVisitor stackMapFrameVisitor) |
| { |
| for (int index = 0; index < u2stackMapFramesCount; index++) |
| { |
| FullFrame stackMapFrame = stackMapFrames[index]; |
| |
| // We don't need double dispatching here, since there is only one |
| // type of StackMapFrame. |
| stackMapFrameVisitor.visitFullFrame(clazz, method, codeAttribute, stackMapFrame.getOffsetDelta(), stackMapFrame); |
| } |
| } |
| } |