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<?php
set_error_handler(function($_, $msg) {
throw new Exception($msg);
});
$rootDir = __DIR__ . '/../..';
$it = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($rootDir),
RecursiveIteratorIterator::LEAVES_ONLY
);
$excludes = [
// Bundled libraries / files.
'ext/bcmath/libbcmath/',
'ext/date/lib/',
'ext/fileinfo/data_file.c',
'ext/fileinfo/libmagic/',
'ext/gd/libgd/',
'ext/hash/sha3/',
'ext/hash/hash_whirlpool.c',
'ext/hash/php_hash_whirlpool_tables.h',
'ext/mbstring/libmbfl/',
'ext/mbstring/unicode_data.h',
'ext/opcache/jit/dynasm',
'ext/opcache/jit/libudis86',
'ext/opcache/jit/vtune',
'ext/pcre/pcre2lib/',
'ext/standard/html_tables/html_table_gen.php',
'ext/xmlrpc/libxmlrpc/',
'sapi/cli/php_http_parser.c',
'sapi/cli/php_http_parser.h',
'sapi/litespeed/',
// Not a PHP file.
'ext/zlib/tests/data.inc',
// Flexible HEREDOC/NOWDOC tests are likely whitespace sensitive.
// TODO: Properly classify them.
'Zend/tests/flexible-',
];
foreach ($it as $file) {
if (!$file->isFile()) {
continue;
}
$path = $file->getPathName();
foreach ($excludes as $exclude) {
if (strpos($path, $exclude) !== false) {
continue 2;
}
}
$lang = getLanguageFromExtension($file->getExtension());
if ($lang === null) {
continue;
}
$origCode = $code = file_get_contents($path);
if ($lang === 'c') {
$code = stripTrailingWhitespace($code);
// TODO: Avoid this for now.
// $code = reindentToTabs($code);
} else if ($lang === 'php') {
$code = stripTrailingWhitespace($code);
$code = reindentToSpaces($code);
} else if ($lang === 'phpt') {
$code = transformTestCode($code, function(string $code) {
$code = stripTrailingWhitespace($code);
$code = reindentToSpaces($code);
return $code;
});
}
if ($origCode !== $code) {
file_put_contents($path, $code);
}
}
function stripTrailingWhitespace(string $code): string {
return preg_replace('/\h+$/m', '', $code);
}
function reindentToTabs(string $code): string {
return preg_replace_callback('/^ +/m', function(array $matches) {
$tabSize = 4;
$spaces = strlen($matches[0]);
$tabs = intdiv($spaces, $tabSize);
$spaces -= $tabs * $tabSize;
return str_repeat("\t", $tabs) . str_repeat(" ", $spaces);
}, $code);
}
function reindentToSpaces(string $code): string {
return preg_replace_callback('/^[ \t]+/m', function(array $matches) {
$tabSize = 4;
$indent = 0;
foreach (str_split($matches[0]) as $char) {
if ($char === ' ') {
$indent++;
} else {
$partialIndent = $indent % $tabSize;
if ($partialIndent === 0) {
$indent += $tabSize;
} else {
$indent += $tabSize - $partialIndent;
}
}
}
return str_repeat(" ", $indent);
}, $code);
}
function transformTestCode(string $code, callable $transformer): string {
// Don't transform whitespace-sensitive tests.
if (strpos($code, '--WHITESPACE_SENSITIVE--') !== false) {
return $code;
}
return preg_replace_callback(
'/(--FILE--)(.+?)(--[A-Z_]+--)/s',
function(array $matches) use($transformer) {
return $matches[1] . $transformer($matches[2]) . $matches[3];
},
$code
);
}
function getLanguageFromExtension(string $ext): ?string {
switch ($ext) {
case 'c':
case 'h':
case 'cpp':
case 'y':
case 'l':
case 're':
return 'c';
case 'php':
case 'inc':
return 'php';
case 'phpt':
return 'phpt';
default:
return null;
}
}
|
