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Diffstat (limited to 'src/proguard/classfile/attribute/CodeAttribute.java')
| -rw-r--r-- | src/proguard/classfile/attribute/CodeAttribute.java | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/src/proguard/classfile/attribute/CodeAttribute.java b/src/proguard/classfile/attribute/CodeAttribute.java deleted file mode 100644 index 6bcaa0a..0000000 --- a/src/proguard/classfile/attribute/CodeAttribute.java +++ /dev/null @@ -1,202 +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; - -import proguard.classfile.*; -import proguard.classfile.attribute.visitor.*; -import proguard.classfile.instruction.*; -import proguard.classfile.instruction.visitor.InstructionVisitor; - -/** - * This Attribute represents a code attribute. - * - * @author Eric Lafortune - */ -public class CodeAttribute extends Attribute -{ - public int u2maxStack; - public int u2maxLocals; - public int u4codeLength; - public byte[] code; - public int u2exceptionTableLength; - public ExceptionInfo[] exceptionTable; - public int u2attributesCount; - public Attribute[] attributes; - - - /** - * Creates an uninitialized CodeAttribute. - */ - public CodeAttribute() - { - } - - - /** - * Creates an initialized CodeAttribute. - */ - public CodeAttribute(int u2attributeNameIndex, - int u2maxStack, - int u2maxLocals, - int u4codeLength, - byte[] code, - int u2exceptionTableLength, - ExceptionInfo[] exceptionTable, - int u2attributesCount, - Attribute[] attributes) - { - super(u2attributeNameIndex); - - this.u2maxStack = u2maxStack; - this.u2maxLocals = u2maxLocals; - this.u4codeLength = u4codeLength; - this.code = code; - this.u2exceptionTableLength = u2exceptionTableLength; - this.exceptionTable = exceptionTable; - this.u2attributesCount = u2attributesCount; - this.attributes = attributes; - } - - - /** - * Returns the (first) attribute with the given name. - */ - public Attribute getAttribute(Clazz clazz, String name) - { - for (int index = 0; index < u2attributesCount; index++) - { - Attribute attribute = attributes[index]; - if (attribute.getAttributeName(clazz).equals(name)) - { - return attribute; - } - } - - return null; - } - - - // Implementations for Attribute. - - public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor) - { - attributeVisitor.visitCodeAttribute(clazz, method, this); - } - - - /** - * Applies the given instruction visitor to all instructions. - */ - public void instructionsAccept(Clazz clazz, Method method, InstructionVisitor instructionVisitor) - { - instructionsAccept(clazz, method, 0, u4codeLength, instructionVisitor); - } - - - /** - * Applies the given instruction visitor to the instruction at the specified - * offset. - */ - public void instructionAccept(Clazz clazz, Method method, int offset, InstructionVisitor instructionVisitor) - { - Instruction instruction = InstructionFactory.create(code, offset); - instruction.accept(clazz, method, this, offset, instructionVisitor); - } - - - /** - * Applies the given instruction visitor to all instructions in the - * specified range of offsets. - */ - public void instructionsAccept(Clazz clazz, Method method, int startOffset, int endOffset, InstructionVisitor instructionVisitor) - { - int offset = startOffset; - - while (offset < endOffset) - { - // Note that the instruction is only volatile. - Instruction instruction = InstructionFactory.create(code, offset); - int instructionLength = instruction.length(offset); - instruction.accept(clazz, method, this, offset, instructionVisitor); - offset += instructionLength; - } - } - - - /** - * Applies the given exception visitor to all exceptions. - */ - public void exceptionsAccept(Clazz clazz, Method method, ExceptionInfoVisitor exceptionInfoVisitor) - { - for (int index = 0; index < u2exceptionTableLength; index++) - { - // We don't need double dispatching here, since there is only one - // type of ExceptionInfo. - exceptionInfoVisitor.visitExceptionInfo(clazz, method, this, exceptionTable[index]); - } - } - - - /** - * Applies the given exception visitor to all exceptions that are applicable - * to the instruction at the specified offset. - */ - public void exceptionsAccept(Clazz clazz, Method method, int offset, ExceptionInfoVisitor exceptionInfoVisitor) - { - for (int index = 0; index < u2exceptionTableLength; index++) - { - ExceptionInfo exceptionInfo = exceptionTable[index]; - if (exceptionInfo.isApplicable(offset)) - { - exceptionInfoVisitor.visitExceptionInfo(clazz, method, this, exceptionInfo); - } - } - } - - - /** - * Applies the given exception visitor to all exceptions that are applicable - * to any of the instructions in the specified range of offsets. - */ - public void exceptionsAccept(Clazz clazz, Method method, int startOffset, int endOffset, ExceptionInfoVisitor exceptionInfoVisitor) - { - for (int index = 0; index < u2exceptionTableLength; index++) - { - ExceptionInfo exceptionInfo = exceptionTable[index]; - if (exceptionInfo.isApplicable(startOffset, endOffset)) - { - exceptionInfoVisitor.visitExceptionInfo(clazz, method, this, exceptionInfo); - } - } - } - - - /** - * Applies the given attribute visitor to all attributes. - */ - public void attributesAccept(Clazz clazz, Method method, AttributeVisitor attributeVisitor) - { - for (int index = 0; index < u2attributesCount; index++) - { - attributes[index].accept(clazz, method, this, attributeVisitor); - } - } -} |