<?php declare(strict_types=1);

namespace PhpParser\NodeVisitor;

use PhpParser\Comment;
use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;
use PhpParser\Token;

class CommentAnnotatingVisitor extends NodeVisitorAbstract {
    /** @var int Last seen token start position */
    private int $pos = 0;
    /** @var Token[] Token array */
    private array $tokens;
    /** @var list<int> Token positions of comments */
    private array $commentPositions = [];

    /**
     * Create a comment annotation visitor.
     *
     * @param Token[] $tokens Token array
     */
    public function __construct(array $tokens) {
        $this->tokens = $tokens;

        // Collect positions of comments. We use this to avoid traversing parts of the AST where
        // there are no comments.
        foreach ($tokens as $i => $token) {
            if ($token->id === \T_COMMENT || $token->id === \T_DOC_COMMENT) {
                $this->commentPositions[] = $i;
            }
        }
    }

    public function enterNode(Node $node) {
        $nextCommentPos = current($this->commentPositions);
        if ($nextCommentPos === false) {
            // No more comments.
            return self::STOP_TRAVERSAL;
        }

        $oldPos = $this->pos;
        $this->pos = $pos = $node->getStartTokenPos();
        if ($nextCommentPos > $oldPos && $nextCommentPos < $pos) {
            $comments = [];
            while (--$pos >= $oldPos) {
                $token = $this->tokens[$pos];
                if ($token->id === \T_DOC_COMMENT) {
                    $comments[] = new Comment\Doc(
                        $token->text, $token->line, $token->pos, $pos,
                        $token->getEndLine(), $token->getEndPos() - 1, $pos);
                    continue;
                }
                if ($token->id === \T_COMMENT) {
                    $comments[] = new Comment(
                        $token->text, $token->line, $token->pos, $pos,
                        $token->getEndLine(), $token->getEndPos() - 1, $pos);
                    continue;
                }
                if ($token->id !== \T_WHITESPACE) {
                    break;
                }
            }
            if (!empty($comments)) {
                $node->setAttribute('comments', array_reverse($comments));
            }

            do {
                $nextCommentPos = next($this->commentPositions);
            } while ($nextCommentPos !== false && $nextCommentPos < $this->pos);
        }

        $endPos = $node->getEndTokenPos();
        if ($nextCommentPos > $endPos) {
            // Skip children if there are no comments located inside this node.
            $this->pos = $endPos;
            return self::DONT_TRAVERSE_CHILDREN;
        }

        return null;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox