StructType.java

import java.util.HashMap;
import java.util.ArrayList;

public class StructType extends Type
{
 private HashMap<String, Type> fields;
 private ArrayList<String> fieldOffsets;

 public StructType(HashMap<String, Type> h, ArrayList<String> stuff)
 {
 fields = h;
 fieldOffsets = stuff;
 }

 public Type getFieldType(String name)
 {
 Type ret = fields.get(name);
 if (ret != null && ret.getClass().equals(RecType.class))
 return this;
 else
 return ret;
 }

 public int getFieldOffset(String name)
 {
 return 8*fieldOffsets.indexOf(name);
 }

 public int size()
 {
 return fieldOffsets.size() * 8;
 }

 public boolean equals(Object o)
 {
 if (o.getClass().equals(NullType.class))
 return true;
 if (!o.getClass().equals(getClass()))
 return false;

 StructType other = (StructType)o;
 return fields.equals(other.fields);
 }

}