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| Location | |
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| __construct | |
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| fromThrowable | |
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| fromBacktrace | |
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| __toString | |
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| normalizeLine | |
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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celema\Boiler; |
| 6 | |
| 7 | use Throwable; |
| 8 | |
| 9 | /** @api */ |
| 10 | final readonly class Location |
| 11 | { |
| 12 | /** Covers the template helpers, whose call from the template is at most the fourth frame. */ |
| 13 | private const int NEAREST_FRAMES = 5; |
| 14 | |
| 15 | public function __construct( |
| 16 | public string $path, |
| 17 | public ?int $line = null, |
| 18 | ) {} |
| 19 | |
| 20 | public static function fromThrowable(string $path, Throwable $throwable): self |
| 21 | { |
| 22 | if ($throwable->getFile() === $path) { |
| 23 | return new self($path, self::normalizeLine($throwable->getLine())); |
| 24 | } |
| 25 | |
| 26 | foreach ($throwable->getTrace() as $frame) { |
| 27 | if (($frame['file'] ?? null) !== $path) { |
| 28 | continue; |
| 29 | } |
| 30 | |
| 31 | return new self($path, self::normalizeLine($frame['line'] ?? null)); |
| 32 | } |
| 33 | |
| 34 | return new self($path); |
| 35 | } |
| 36 | |
| 37 | public static function fromBacktrace(string $path): self |
| 38 | { |
| 39 | // A full backtrace costs more with every nested include, so the nearest |
| 40 | // frames are searched first; 0 lifts the limit. |
| 41 | foreach ([self::NEAREST_FRAMES, 0] as $limit) { |
| 42 | foreach (debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, $limit) as $frame) { |
| 43 | if (($frame['file'] ?? null) !== $path) { |
| 44 | continue; |
| 45 | } |
| 46 | |
| 47 | return new self($path, self::normalizeLine($frame['line'] ?? null)); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | return new self($path); |
| 52 | } |
| 53 | |
| 54 | public function __toString(): string |
| 55 | { |
| 56 | return $this->line === null |
| 57 | ? $this->path |
| 58 | : "{$this->path}:{$this->line}"; |
| 59 | } |
| 60 | |
| 61 | private static function normalizeLine(?int $line): ?int |
| 62 | { |
| 63 | return $line !== null && $line > 0 ? $line : null; |
| 64 | } |
| 65 | } |