/**
* Reads and parses test data from a specified file.
*
* This method reads and parses test data from a file. The file is expected
* to have the following structure
*
* ```
* <?php
* // PHP code goes here.
* ~~~~~~~~~~
* {
* // JSON dictionary containing expected results from testing method.
* }
* ```
*
* @param string The path to the test file.
* @return pair<XHPASTTree, map> The first element of the pair is the
* `XHPASTTree` contained within the test file.
* The second element of the pair is the
* "expect" data.
*/
private function readTestData($file)
{
$contents = Filesystem::readFile($file);
$contents = preg_split('/^~{10}$/m', $contents);
if (count($contents) < 2) {
throw new Exception(pht("Expected '%s' separating test case and results.", '~~~~~~~~~~'));
}
list($data, $expect) = $contents;
$tree = XHPASTTree::newFromData($data);
$expect = phutil_json_decode($expect);
return array($tree, $expect);
}
public static function evalStaticString($string)
{
$string = '<?php ' . rtrim($string, ';') . ';';
$tree = XHPASTTree::newFromData($string);
$statements = $tree->getRootNode()->selectDescendantsOfType('n_STATEMENT');
if (count($statements) != 1) {
throw new Exception("String does not parse into exactly one statement!");
}
// Return the first one, trying to use reset() with iterators ends in tears.
foreach ($statements as $statement) {
return $statement->evalStatic();
}
}
as it's relatively stable and performance is currently awful
(500ms+ for moderately large files).
EOHELP
);
$args->parseStandardArguments();
$args->parse(array(array('name' => 'all', 'help' => pht('Report all symbols, including built-ins and declared externals.')), array('name' => 'ugly', 'help' => pht('Do not prettify JSON output.')), array('name' => 'path', 'wildcard' => true, 'help' => pht('PHP Source file to analyze.'))));
$paths = $args->getArg('path');
if (count($paths) !== 1) {
throw new Exception(pht('Specify exactly one path!'));
}
$path = Filesystem::resolvePath(head($paths));
$show_all = $args->getArg('all');
$source_code = Filesystem::readFile($path);
try {
$tree = XHPASTTree::newFromData($source_code);
} catch (XHPASTSyntaxErrorException $ex) {
$result = array('error' => $ex->getMessage(), 'line' => $ex->getErrorLine(), 'file' => $path);
$json = new PhutilJSON();
echo $json->encodeFormatted($result);
exit(0);
}
$root = $tree->getRootNode();
$root->buildSelectCache();
// -( Unsupported Constructs )------------------------------------------------
$namespaces = $root->selectDescendantsOfType('n_NAMESPACE');
foreach ($namespaces as $namespace) {
phutil_fail_on_unsupported_feature($namespace, $path, pht('namespaces'));
}
$uses = $root->selectDescendantsOfType('n_USE');
foreach ($namespaces as $namespace) {
private function applyXHPHighlight($source)
{
// We perform two passes here: one using the AST to find symbols we care
// about -- particularly, class names and function names. These are used
// in the crossreference stuff to link into Diffusion. After we've done our
// AST pass, we do a followup pass on the token stream to catch all the
// simple stuff like strings and comments.
$scrub = false;
if (strpos($source, '<?') === false) {
$source = "<?php\n" . $source . "\n";
$scrub = true;
}
$tree = XHPASTTree::newFromData($source);
$root = $tree->getRootNode();
$tokens = $root->getTokens();
$interesting_symbols = $this->findInterestingSymbols($root);
$out = array();
foreach ($tokens as $key => $token) {
$value = phutil_escape_html($token->getValue());
$class = null;
$multi = false;
$attrs = '';
if (isset($interesting_symbols[$key])) {
$sym = $interesting_symbols[$key];
$class = $sym[0];
if (isset($sym['context'])) {
$attrs = $attrs . ' data-symbol-context="' . $sym['context'] . '"';
}
if (isset($sym['symbol'])) {
$attrs = $attrs . ' data-symbol-name="' . $sym['symbol'] . '"';
}
} else {
switch ($token->getTypeName()) {
case 'T_WHITESPACE':
break;
case 'T_DOC_COMMENT':
$class = 'dc';
$multi = true;
break;
case 'T_COMMENT':
$class = 'c';
$multi = true;
break;
case 'T_CONSTANT_ENCAPSED_STRING':
case 'T_ENCAPSED_AND_WHITESPACE':
case 'T_INLINE_HTML':
$class = 's';
$multi = true;
break;
case 'T_VARIABLE':
$class = 'nv';
break;
case 'T_OPEN_TAG':
case 'T_OPEN_TAG_WITH_ECHO':
case 'T_CLOSE_TAG':
$class = 'o';
break;
case 'T_LNUMBER':
case 'T_DNUMBER':
$class = 'm';
break;
case 'T_STRING':
static $magic = array('true' => true, 'false' => true, 'null' => true);
if (isset($magic[$value])) {
$class = 'k';
break;
}
$class = 'nx';
break;
default:
$class = 'k';
break;
}
}
if ($class) {
$l = '<span class="' . $class . '"' . $attrs . '>';
$r = '</span>';
$value = $l . $value . $r;
if ($multi) {
// If the token may have multiple lines in it, make sure each
// <span> crosses no more than one line so the lines can be put
// in a table, etc., later.
$value = str_replace("\n", $r . "\n" . $l, $value);
}
$out[] = $value;
} else {
$out[] = $value;
}
}
if ($scrub) {
array_shift($out);
}
return rtrim(implode('', $out));
}
