File size: 4,000 Bytes
1e94262 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | #!/usr/bin/env php
<?php
set_error_handler(function($_, $msg) {
throw new Exception($msg);
});
if ($argc > 1) {
$dir = $argv[1];
} else {
$dir = __DIR__ . '/../..';
}
if (!is_dir($dir)) {
echo "Directory $dir does not exist.\n";
exit(1);
}
$it = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($dir),
RecursiveIteratorIterator::LEAVES_ONLY
);
$excludes = [
// Bundled libraries / files.
'ext/date/lib/',
'ext/lexbor/lexbor/',
'ext/uri/uriparser/',
'ext/fileinfo/data_file.c',
'ext/fileinfo/libmagic/',
'ext/gd/libgd/',
'ext/hash/sha3/',
'ext/hash/hash_whirlpool.c',
'ext/hash/php_hash_whirlpool_tables.h',
'ext/mbstring/libmbfl/',
'ext/mbstring/unicode_data.h',
'ext/opcache/jit/ir',
'ext/pcre/pcre2lib/',
'ext/standard/html_tables/html_table_gen.php',
'sapi/cli/php_http_parser.c',
'sapi/cli/php_http_parser.h',
'sapi/litespeed/',
// Not a PHP file.
'ext/zlib/tests/data.inc',
// Flexible HEREDOC/NOWDOC tests are likely whitespace sensitive.
// TODO: Properly classify them.
'Zend/tests/flexible-',
];
foreach ($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|SKIPIF|CLEAN)--)(.+?)(?=--[A-Z_]+--)/s',
function(array $matches) use($transformer) {
return $matches[1] . $transformer($matches[2]);
},
$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;
}
}
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