* @param h the high bit of the range as an integer
* @param e the expression representing the right hand side of the assignment
*/
public MapBitRangeAssignStmt(String m, Expr i, int l, int h, Expr e) {
super(e);
mapname = new Token();
mapname.image = m;
index = i;
low_bit = l < h ? l : h;
high_bit = l > h ? l : h;