TraceFormatter.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Formatter;
use Psy\Input\FilterOptions;
use Symfony\Component\Console\Formatter\OutputFormatter;
/**
* Output formatter for exception traces.
*/
class TraceFormatter
{
/**
* Format the trace of the given exception.
*
* @param \Throwable $throwable The error or exception with a backtrace
* @param FilterOptions $filter (default: null)
* @param int $count (default: PHP_INT_MAX)
* @param bool $includePsy (default: true)
*
* @return string[] Formatted stacktrace lines
*/
public static function formatTrace(\Throwable $throwable, ?FilterOptions $filter = null, ?int $count = null, bool $includePsy = true): array
{
if ($cwd = \getcwd()) {
$cwd = \rtrim($cwd, \DIRECTORY_SEPARATOR).\DIRECTORY_SEPARATOR;
}
if ($count === null) {
$count = \PHP_INT_MAX;
}
$lines = [];
$trace = $throwable->getTrace();
\array_unshift($trace, [
'function' => '',
'file' => $throwable->getFile() !== null ? $throwable->getFile() : 'n/a',
'line' => $throwable->getLine() !== null ? $throwable->getLine() : 'n/a',
'args' => [],
]);
if (!$includePsy) {
for ($i = \count($trace) - 1; $i >= 0; $i--) {
$thing = isset($trace[$i]['class']) ? $trace[$i]['class'] : $trace[$i]['function'];
if (\preg_match('/\\\\?Psy\\\\/', $thing)) {
$trace = \array_slice($trace, $i + 1);
break;
}
}
}
for ($i = 0, $count = \min($count, \count($trace)); $i < $count; $i++) {
$class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
$type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
$function = $trace[$i]['function'];
$file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
$line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';
// Make file paths relative to cwd
if ($cwd !== false) {
$file = \preg_replace('/^'.\preg_quote($cwd, '/').'/', '', $file);
}
// Leave execution loop out of the `eval()'d code` lines
if (\preg_match("#/src/Execution(?:Loop)?Closure.php\(\d+\) : eval\(\)'d code$#", \str_replace('\\', '/', $file))) {
$file = "eval()'d code";
}
// Skip any lines that don't match our filter options
if ($filter !== null && !$filter->match(\sprintf('%s%s%s() at %s:%s', $class, $type, $function, $file, $line))) {
continue;
}
$lines[] = \sprintf(
' <class>%s</class>%s%s() at <info>%s:%s</info>',
OutputFormatter::escape($class),
OutputFormatter::escape($type),
OutputFormatter::escape($function),
OutputFormatter::escape($file),
OutputFormatter::escape($line)
);
}
return $lines;
}
}