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- /* *******************************************************************
- * Copyright (c) 2004 IBM Corporation
- *
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Public License v 2.0
- * which accompanies this distribution and is available at
- * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
- *
- * Contributors:
- * Andy Clement initial implementation
- * Heavily based on LocalVariableTable
- * ******************************************************************/
- package org.aspectj.apache.bcel.classfile;
-
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
-
- import org.aspectj.apache.bcel.Constants;
-
- // The new table is used when generic types are about...
-
- //LocalVariableTable_attribute {
- // u2 attribute_name_index;
- // u4 attribute_length;
- // u2 local_variable_table_length;
- // { u2 start_pc;
- // u2 length;
- // u2 name_index;
- // u2 descriptor_index;
- // u2 index;
- // } local_variable_table[local_variable_table_length];
- // }
-
- //LocalVariableTypeTable_attribute {
- // u2 attribute_name_index;
- // u4 attribute_length;
- // u2 local_variable_type_table_length;
- // {
- // u2 start_pc;
- // u2 length;
- // u2 name_index;
- // u2 signature_index;
- // u2 index;
- // } local_variable_type_table[local_variable_type_table_length];
- // }
- // J5TODO: Needs some testing !
- public class LocalVariableTypeTable extends Attribute {
- private int local_variable_type_table_length; // Table of local
- private LocalVariable[] local_variable_type_table; // variables
-
- public LocalVariableTypeTable(LocalVariableTypeTable c) {
- this(c.getNameIndex(), c.getLength(), c.getLocalVariableTypeTable(), c.getConstantPool());
- }
-
- public LocalVariableTypeTable(int name_index, int length, LocalVariable[] local_variable_table, ConstantPool constant_pool) {
- super(Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE, name_index, length, constant_pool);
- setLocalVariableTable(local_variable_table);
- }
-
- LocalVariableTypeTable(int nameIdx, int len, DataInputStream dis, ConstantPool cpool) throws IOException {
- this(nameIdx, len, (LocalVariable[]) null, cpool);
-
- local_variable_type_table_length = (dis.readUnsignedShort());
- local_variable_type_table = new LocalVariable[local_variable_type_table_length];
-
- for (int i = 0; i < local_variable_type_table_length; i++)
- local_variable_type_table[i] = new LocalVariable(dis, cpool);
- }
-
- @Override
- public void accept(ClassVisitor v) {
- v.visitLocalVariableTypeTable(this);
- }
-
- @Override
- public final void dump(DataOutputStream file) throws IOException {
- super.dump(file);
- file.writeShort(local_variable_type_table_length);
- for (int i = 0; i < local_variable_type_table_length; i++)
- local_variable_type_table[i].dump(file);
- }
-
- public final LocalVariable[] getLocalVariableTypeTable() {
- return local_variable_type_table;
- }
-
- public final LocalVariable getLocalVariable(int index) {
- for (int i = 0; i < local_variable_type_table_length; i++)
- if (local_variable_type_table[i].getIndex() == index)
- return local_variable_type_table[i];
-
- return null;
- }
-
- public final void setLocalVariableTable(LocalVariable[] local_variable_table) {
- this.local_variable_type_table = local_variable_table;
- local_variable_type_table_length = (local_variable_table == null) ? 0 : local_variable_table.length;
- }
-
- /**
- * @return String representation.
- */
- @Override
- public final String toString() {
- StringBuilder buf = new StringBuilder("");
-
- for (int i = 0; i < local_variable_type_table_length; i++) {
- buf.append(local_variable_type_table[i].toString());
-
- if (i < local_variable_type_table_length - 1)
- buf.append('\n');
- }
-
- return buf.toString();
- }
-
- // /**
- // * @return deep copy of this attribute
- // */
- // public Attribute copy(ConstantPool constant_pool) {
- // LocalVariableTypeTable c = (LocalVariableTypeTable)clone();
- //
- // c.local_variable_type_table = new LocalVariable[local_variable_type_table_length];
- // for(int i=0; i < local_variable_type_table_length; i++)
- // c.local_variable_type_table[i] = local_variable_type_table[i].copy();
- //
- // c.cpool = constant_pool;
- // return c;
- // }
-
- public final int getTableLength() {
- return local_variable_type_table_length;
- }
- }
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