visitWhileLoopStmt method
Implementation
@override
String visitWhileLoopStmt(WhileLoopStmt whileLoopStmt) {
final exprs = whileLoopStmt.expr.accept(this);
final body = whileLoopStmt.body.map((e) => e.accept(this)).join('/n');
return 'while $exprs do\n$body\nend';
}