public Integer leave(HplsqlParser.Leave_stmtContext ctx) { 
    trace(ctx, "LEAVE");
    String label = "";
    if (ctx.L_ID() != null) {
      label = ctx.L_ID().toString();
    }
    leaveLoop(label);    
    return 0;
  }
LEAVE statement (leave the specified loop unconditionally)
hplsql/src/main/java/org/apache/hive/hplsql/Stmt.java