| /* |
| * 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.attribute.preverification; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.attribute.CodeAttribute; |
| import proguard.classfile.attribute.preverification.visitor.*; |
| |
| /** |
| * This StackMapFrame represents a "full frame". |
| * |
| * @author Eric Lafortune |
| */ |
| public class FullFrame extends StackMapFrame |
| { |
| public int variablesCount; |
| public VerificationType[] variables; |
| public int stackCount; |
| public VerificationType[] stack; |
| |
| |
| /** |
| * Creates an uninitialized FullFrame. |
| */ |
| public FullFrame() |
| { |
| } |
| |
| |
| /** |
| * Creates a FullFrame with the given variables and stack. |
| */ |
| public FullFrame(int offsetDelta, |
| VerificationType[] variables, |
| VerificationType[] stack) |
| { |
| this(offsetDelta, |
| variables.length, |
| variables, |
| stack.length, |
| stack); |
| } |
| |
| |
| /** |
| * Creates a FullFrame with the given variables and stack. |
| */ |
| public FullFrame(int offsetDelta, |
| int variablesCount, |
| VerificationType[] variables, |
| int stackCount, |
| VerificationType[] stack) |
| { |
| this.u2offsetDelta = offsetDelta; |
| this.variablesCount = variablesCount; |
| this.variables = variables; |
| this.stackCount = stackCount; |
| this.stack = stack; |
| } |
| |
| |
| /** |
| * Applies the given verification type visitor to all variables. |
| */ |
| public void variablesAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VerificationTypeVisitor verificationTypeVisitor) |
| { |
| for (int index = 0; index < variablesCount; index++) |
| { |
| variables[index].variablesAccept(clazz, method, codeAttribute, offset, index, verificationTypeVisitor); |
| } |
| } |
| |
| |
| /** |
| * Applies the given verification type visitor to all stack. |
| */ |
| public void stackAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, VerificationTypeVisitor verificationTypeVisitor) |
| { |
| for (int index = 0; index < stackCount; index++) |
| { |
| stack[index].stackAccept(clazz, method, codeAttribute, offset, index, verificationTypeVisitor); |
| } |
| } |
| |
| |
| // Implementations for StackMapFrame. |
| |
| public int getTag() |
| { |
| return FULL_FRAME; |
| } |
| |
| |
| public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, StackMapFrameVisitor stackMapFrameVisitor) |
| { |
| stackMapFrameVisitor.visitFullFrame(clazz, method, codeAttribute, offset, this); |
| } |
| |
| |
| // Implementations for Object. |
| |
| public boolean equals(Object object) |
| { |
| if (!super.equals(object)) |
| { |
| return false; |
| } |
| |
| FullFrame other = (FullFrame)object; |
| |
| if (this.u2offsetDelta != other.u2offsetDelta || |
| this.variablesCount != other.variablesCount || |
| this.stackCount != other.stackCount) |
| { |
| return false; |
| } |
| |
| for (int index = 0; index < variablesCount; index++) |
| { |
| VerificationType thisType = this.variables[index]; |
| VerificationType otherType = other.variables[index]; |
| |
| if (!thisType.equals(otherType)) |
| { |
| return false; |
| } |
| } |
| |
| for (int index = 0; index < stackCount; index++) |
| { |
| VerificationType thisType = this.stack[index]; |
| VerificationType otherType = other.stack[index]; |
| |
| if (!thisType.equals(otherType)) |
| { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| |
| public int hashCode() |
| { |
| int hashCode = super.hashCode(); |
| |
| for (int index = 0; index < variablesCount; index++) |
| { |
| hashCode ^= variables[index].hashCode(); |
| } |
| |
| for (int index = 0; index < stackCount; index++) |
| { |
| hashCode ^= stack[index].hashCode(); |
| } |
| |
| return hashCode; |
| } |
| |
| |
| public String toString() |
| { |
| StringBuffer buffer = new StringBuffer(super.toString()).append("Var: "); |
| |
| for (int index = 0; index < variablesCount; index++) |
| { |
| buffer = buffer.append('[') |
| .append(variables[index].toString()) |
| .append(']'); |
| } |
| |
| buffer.append(", Stack: "); |
| |
| for (int index = 0; index < stackCount; index++) |
| { |
| buffer = buffer.append('[') |
| .append(stack[index].toString()) |
| .append(']'); |
| } |
| |
| return buffer.toString(); |
| } |
| } |