package com.coding.mini_jvm.src.com.coderising.jvm.attr;
import com.coding.mini_jvm.src.com.coderising.jvm.loader.ByteCodeIterator;
import java.util.ArrayList;
import java.util.List;
public class LocalVariableTable extends AttributeInfo{
List<LocalVariableItem> items = new ArrayList<LocalVariableItem>();
public LocalVariableTable(int attrNameIndex, int attrLen) {
super(attrNameIndex, attrLen);
}
public static LocalVariableTable parse(ByteCodeIterator iter){
iter.back(ByteCodeIterator.U2);
int attrNameIdex = iter.readTwoBytesToInt();
int attrLen = iter.readFourBytesToInt();
LocalVariableTable localVariableTable = new LocalVariableTable(attrNameIdex, attrLen);
int varCount = iter.readTwoBytesToInt();
for (int i = 0; i < varCount; i++) {
LocalVariableItem item = new LocalVariableItem();
item.setStartPC(iter.readTwoBytesToInt());
item.setLength(iter.readTwoBytesToInt());
item.setNameIndex(iter.readTwoBytesToInt());
item.setDescIndex(iter.readTwoBytesToInt());
item.setIndex(iter.readTwoBytesToInt());
localVariableTable.addLocalVariableItem(item);
}
return localVariableTable;
}
private void addLocalVariableItem(LocalVariableItem item) {
this.items.add(item);
}
}