| /* ******************************************************************* |
| * 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 v1.0 |
| * which accompanies this distribution and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * 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() { |
| StringBuffer buf = new StringBuffer(""); |
| |
| 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; |
| } |
| } |