var.getVarInfo().setGlobal();
var.getVarInfo().setReference();
  private Statement parseGlobal()    throws IOException  {    ArrayList<Statement> statementList = new ArrayList<Statement>();        while (true) {      Expr expr = parseTopExpr();      if (expr instanceof VarExpr) {	VarExpr var = (VarExpr) expr;	// php/3a6g	var.getVarInfo().setGlobal();	statementList.add(new GlobalStatement(var));      }      else	throw error(L.l("unknown expr to global"));      // statementList.add(new ExprStatement(expr));      int token = parseToken();      if (token != ',') {	_peekToken = token;	return BlockStatement.create(statementList);      }    }  }