ComposerRequireChecker\ASTLocator\LocateASTFromFiles

Complexity

Total Complexity

4

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	__invoke()	0	10	3

<?php

namespace ComposerRequireChecker\ASTLocator;

use PhpParser\ErrorHandler;
use PhpParser\Node\Stmt;
use PhpParser\Parser;
use RuntimeException;
use Traversable;
use function sprintf;

final class LocateASTFromFiles
{
    /**
     * @var Parser
     */
    private $parser;

    /**
     * @var ErrorHandler
     */
    private $errorHandler;

    public function __construct(Parser $parser, ?ErrorHandler $errorHandler)
    {
        $this->parser = $parser;
        $this->errorHandler = $errorHandler;
    }

    /**
     * @param Traversable<string> $files
     *
     * @return Traversable<int, array<Stmt>> a series of AST roots, one for each given file
     */
    public function __invoke(Traversable $files): Traversable
    {
        foreach ($files as $file) {
            $stmts = $this->parser->parse(file_get_contents($file), $this->errorHandler);

            if ($stmts === null) {
                throw new RuntimeException(sprintf("Parsing the file [%s] resulted in an error.", $file));
            }

            yield $stmts;
        }
    }
}