diff options
Diffstat (limited to 'src/proguard/classfile/attribute/preverification/StackMapFrame.java')
-rw-r--r-- | src/proguard/classfile/attribute/preverification/StackMapFrame.java | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/src/proguard/classfile/attribute/preverification/StackMapFrame.java b/src/proguard/classfile/attribute/preverification/StackMapFrame.java deleted file mode 100644 index 9b2f43b..0000000 --- a/src/proguard/classfile/attribute/preverification/StackMapFrame.java +++ /dev/null @@ -1,117 +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.attribute.preverification; - -import proguard.classfile.*; -import proguard.classfile.attribute.CodeAttribute; -import proguard.classfile.attribute.preverification.visitor.StackMapFrameVisitor; - -/** - * This abstract class represents a stack map frame. Specific types - * of entries are subclassed from it. - * - * @author Eric Lafortune - */ -public abstract class StackMapFrame implements VisitorAccepter -{ - public static final int SAME_ZERO_FRAME = 0; - public static final int SAME_ONE_FRAME = 64; - public static final int SAME_ONE_FRAME_EXTENDED = 247; - public static final int LESS_ZERO_FRAME = 248; - public static final int SAME_ZERO_FRAME_EXTENDED = 251; - public static final int MORE_ZERO_FRAME = 252; - public static final int FULL_FRAME = 255; - - - public int u2offsetDelta; - - /** - * An extra field in which visitors can store information. - */ - public Object visitorInfo; - - - - /** - * Returns the bytecode offset delta relative to the previous stack map - * frame. - */ - public int getOffsetDelta() - { - return u2offsetDelta; - } - - - // Abstract methods to be implemented by extensions. - - /** - * Returns the stack map frame tag that specifies the entry type. - */ - public abstract int getTag(); - - - /** - * Accepts the given visitor. - */ - public abstract void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, StackMapFrameVisitor stackMapFrameVisitor); - - - // Implementations for VisitorAccepter. - - public Object getVisitorInfo() - { - return visitorInfo; - } - - public void setVisitorInfo(Object visitorInfo) - { - this.visitorInfo = visitorInfo; - } - - - // Implementations for Object. - - public boolean equals(Object object) - { - if (object == null || - this.getClass() != object.getClass()) - { - return false; - } - - StackMapFrame other = (StackMapFrame)object; - - return this.u2offsetDelta == other.u2offsetDelta; - } - - - public int hashCode() - { - return getClass().hashCode() ^ - u2offsetDelta; - } - - - public String toString() - { - return "[" + u2offsetDelta + "] "; - } -} |