2016-06-24 00:45:46 +02:00
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<?php
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2016-08-13 20:20:46 +02:00
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namespace Psalm\Checker;
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2017-07-25 22:11:02 +02:00
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use Psalm\Aliases;
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2017-05-19 06:48:26 +02:00
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use Psalm\ClassLikeDocblockComment;
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2016-11-02 07:29:00 +01:00
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use Psalm\Exception\DocblockParseException;
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2017-11-15 03:43:31 +01:00
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use Psalm\Exception\IncorrectDocblockException;
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2017-05-19 06:48:26 +02:00
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use Psalm\Exception\TypeParseTreeException;
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2016-11-13 05:59:31 +01:00
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use Psalm\FunctionDocblockComment;
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2016-08-13 20:20:46 +02:00
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use Psalm\StatementsSource;
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use Psalm\Type;
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2017-05-25 07:32:34 +02:00
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use Psalm\VarDocblockComment;
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2016-06-24 00:45:46 +02:00
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class CommentChecker
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{
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2017-11-20 05:36:37 +01:00
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const TYPE_REGEX = '(\??\\\?[A-Za-z][\(\)A-Za-z0-9_\<,\>\[\]\-\{\}:|?\\\\]*|\$[a-zA-Z_0-9_\<,\>\|\[\]-\{\}:]+)';
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2016-06-24 00:45:46 +02:00
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/**
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* @param string $comment
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* @param StatementsSource $source
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2017-07-25 22:11:02 +02:00
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* @param Aliases $aliases
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2017-02-10 06:14:44 +01:00
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* @param array<string, string>|null $template_types
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2017-03-02 04:27:52 +01:00
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* @param int|null $var_line_number
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2017-04-11 21:34:05 +02:00
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* @param int|null $came_from_line_number what line number in $source that $comment came from
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2017-05-27 02:16:18 +02:00
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*
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* @throws DocblockParseException if there was a problem parsing the docblock
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*
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2017-05-25 07:32:34 +02:00
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* @return VarDocblockComment|null
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2016-11-22 01:07:56 +01:00
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* @psalm-suppress MixedArrayAccess
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2016-06-24 00:45:46 +02:00
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*/
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2016-11-02 07:29:00 +01:00
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public static function getTypeFromComment(
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$comment,
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StatementsSource $source,
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2017-07-25 22:11:02 +02:00
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Aliases $aliases,
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2017-03-02 04:27:52 +01:00
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array $template_types = null,
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2017-05-25 07:32:34 +02:00
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$var_line_number = null,
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2017-04-11 21:34:05 +02:00
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$came_from_line_number = null
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2016-11-02 07:29:00 +01:00
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) {
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2017-05-25 07:32:34 +02:00
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$var_id = null;
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2016-06-24 00:45:46 +02:00
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2017-05-25 07:32:34 +02:00
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$var_type_string = null;
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2016-06-24 00:45:46 +02:00
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2017-03-02 04:27:52 +01:00
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$comments = self::parseDocComment($comment, $var_line_number);
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2016-06-24 00:45:46 +02:00
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2017-11-03 02:45:17 +01:00
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if (!isset($comments['specials']['var']) && !isset($comments['specials']['psalm-var'])) {
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2017-03-02 04:27:52 +01:00
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return;
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}
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if ($comments) {
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2017-11-03 02:45:17 +01:00
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$all_vars = (isset($comments['specials']['var']) ? $comments['specials']['var'] : [])
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+ (isset($comments['specials']['psalm-var']) ? $comments['specials']['psalm-var'] : []);
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2017-03-02 04:27:52 +01:00
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/** @var int $line_number */
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2017-11-03 02:45:17 +01:00
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foreach ($all_vars as $line_number => $var_line) {
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2017-03-02 04:27:52 +01:00
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$var_line = trim($var_line);
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2016-06-24 00:45:46 +02:00
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2017-03-02 04:27:52 +01:00
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if (!$var_line) {
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continue;
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}
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try {
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$line_parts = self::splitDocLine($var_line);
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} catch (DocblockParseException $e) {
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throw $e;
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}
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if ($line_parts && $line_parts[0]) {
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2017-11-15 03:43:31 +01:00
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if ($line_parts[0][0] === '$' && $line_parts[0] !== '$this') {
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throw new IncorrectDocblockException('Misplaced variable');
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}
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2017-05-25 07:32:34 +02:00
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$var_type_string = FunctionLikeChecker::fixUpLocalType(
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2017-03-02 04:27:52 +01:00
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$line_parts[0],
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2017-07-25 22:11:02 +02:00
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$aliases,
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2017-03-02 04:27:52 +01:00
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$template_types
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);
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$var_line_number = $line_number;
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// support PHPStorm-style docblocks like
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// @var Type $variable
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if (count($line_parts) > 1 && $line_parts[1][0] === '$') {
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2017-05-25 07:32:34 +02:00
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$var_id = $line_parts[1];
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2017-03-02 04:27:52 +01:00
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}
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break;
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2016-06-24 00:45:46 +02:00
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}
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}
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}
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2017-05-25 07:32:34 +02:00
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if (!$var_type_string) {
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2016-06-24 00:45:46 +02:00
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return null;
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}
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2016-11-21 05:31:10 +01:00
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try {
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2017-05-25 07:32:34 +02:00
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$defined_type = Type::parseString($var_type_string);
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2016-12-24 19:23:22 +01:00
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} catch (TypeParseTreeException $e) {
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2017-04-11 21:34:05 +02:00
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if (is_int($came_from_line_number)) {
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throw new DocblockParseException(
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2017-05-25 07:32:34 +02:00
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$var_type_string .
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2017-04-11 21:34:05 +02:00
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' is not a valid type' .
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' (from ' .
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$source->getCheckedFilePath() .
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':' .
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$came_from_line_number .
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')'
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);
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}
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2017-05-25 07:32:34 +02:00
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throw new DocblockParseException($var_type_string . ' is not a valid type');
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2016-11-21 05:31:10 +01:00
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}
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2016-06-24 00:45:46 +02:00
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2017-02-04 04:07:14 +01:00
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$defined_type->setFromDocblock();
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2017-05-25 07:32:34 +02:00
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$var_comment = new VarDocblockComment();
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$var_comment->type = $defined_type;
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$var_comment->var_id = $var_id;
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$var_comment->line_number = $var_line_number;
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$var_comment->deprecated = isset($comments['specials']['deprecated']);
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2016-06-24 00:45:46 +02:00
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2017-05-25 07:32:34 +02:00
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return $var_comment;
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2016-06-24 00:45:46 +02:00
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}
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2016-10-14 06:53:43 +02:00
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/**
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2016-12-04 01:11:30 +01:00
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* @param string $comment
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* @param int $line_number
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2017-05-27 02:16:18 +02:00
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*
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* @throws DocblockParseException if there was a problem parsing the docblock
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*
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2016-11-13 05:59:31 +01:00
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* @return FunctionDocblockComment
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2016-11-22 01:07:56 +01:00
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* @psalm-suppress MixedArrayAccess
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2016-10-14 06:53:43 +02:00
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*/
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2017-02-10 02:35:17 +01:00
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public static function extractFunctionDocblockInfo($comment, $line_number)
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2016-06-24 00:45:46 +02:00
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{
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2016-12-04 01:11:30 +01:00
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$comments = self::parseDocComment($comment, $line_number);
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2016-06-24 00:45:46 +02:00
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2016-11-13 05:59:31 +01:00
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$info = new FunctionDocblockComment();
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2016-06-24 00:45:46 +02:00
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2016-10-04 03:36:42 +02:00
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if (isset($comments['specials']['return']) || isset($comments['specials']['psalm-return'])) {
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2016-12-17 01:22:30 +01:00
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/** @var array<int, string> */
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2016-12-04 01:11:30 +01:00
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$return_specials = isset($comments['specials']['psalm-return'])
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? $comments['specials']['psalm-return']
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: $comments['specials']['return'];
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$return_block = trim((string)reset($return_specials));
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2016-06-24 00:45:46 +02:00
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2016-10-28 17:05:51 +02:00
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try {
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$line_parts = self::splitDocLine($return_block);
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2016-11-02 07:29:00 +01:00
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} catch (DocblockParseException $e) {
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2016-10-28 17:05:51 +02:00
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throw $e;
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}
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2016-10-28 06:11:16 +02:00
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if (preg_match('/^' . self::TYPE_REGEX . '$/', $line_parts[0])
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&& !preg_match('/\[[^\]]+\]/', $line_parts[0])
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2016-10-28 19:24:06 +02:00
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&& !strpos($line_parts[0], '::')
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2017-01-15 16:58:44 +01:00
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&& $line_parts[0][0] !== '{'
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2016-10-28 19:24:06 +02:00
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) {
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2017-05-25 03:11:18 +02:00
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if ($line_parts[0][0] === '$' && $line_parts[0] !== '$this') {
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2017-11-15 03:43:31 +01:00
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if ($line_parts[0][0] === '$' && $line_parts[0] !== '$this') {
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throw new IncorrectDocblockException('Misplaced variable');
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}
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2017-05-25 03:11:18 +02:00
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}
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2016-11-13 05:59:31 +01:00
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$info->return_type = $line_parts[0];
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2017-01-28 06:24:25 +01:00
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$line_number = array_keys($return_specials)[0];
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if ($line_number) {
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$info->return_type_line_number = $line_number;
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}
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2017-07-10 02:32:35 +02:00
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} else {
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throw new DocblockParseException('Badly-formatted @return type');
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2016-06-24 00:45:46 +02:00
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}
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}
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2017-11-03 02:45:17 +01:00
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if (isset($comments['specials']['param']) || isset($comments['specials']['psalm-param'])) {
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$all_params = (isset($comments['specials']['param']) ? $comments['specials']['param'] : [])
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+ (isset($comments['specials']['psalm-param']) ? $comments['specials']['psalm-param'] : []);
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2016-12-17 06:48:31 +01:00
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/** @var string $param */
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2017-11-03 02:45:17 +01:00
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foreach ($all_params as $line_number => $param) {
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2016-10-28 17:05:51 +02:00
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try {
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2016-12-17 06:48:31 +01:00
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$line_parts = self::splitDocLine($param);
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2016-11-02 07:29:00 +01:00
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} catch (DocblockParseException $e) {
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2016-10-28 17:05:51 +02:00
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throw $e;
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}
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2016-06-24 00:45:46 +02:00
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2017-05-30 05:21:46 +02:00
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if (count($line_parts) === 1 && isset($line_parts[0][0]) && $line_parts[0][0] === '$') {
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2017-01-16 05:49:58 +01:00
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array_unshift($line_parts, 'mixed');
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}
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2016-12-25 12:32:21 +01:00
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if (count($line_parts) > 1) {
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if (preg_match('/^' . self::TYPE_REGEX . '$/', $line_parts[0])
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&& !preg_match('/\[[^\]]+\]/', $line_parts[0])
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2017-01-28 08:37:52 +01:00
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&& preg_match('/^(\.\.\.)?&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
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2016-12-25 12:32:21 +01:00
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&& !strpos($line_parts[0], '::')
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2017-01-15 16:58:44 +01:00
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&& $line_parts[0][0] !== '{'
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2017-11-12 03:22:11 +01:00
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&& !in_array($line_parts[0], ['null', 'false', 'true'], true)
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2016-12-25 12:32:21 +01:00
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) {
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if ($line_parts[1][0] === '&') {
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$line_parts[1] = substr($line_parts[1], 1);
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}
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2017-05-25 03:11:18 +02:00
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if ($line_parts[0][0] === '$' && $line_parts[0] !== '$this') {
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2017-11-15 03:43:31 +01:00
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throw new IncorrectDocblockException('Misplaced variable');
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2017-05-25 03:11:18 +02:00
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}
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2017-01-28 08:37:52 +01:00
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$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
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2016-12-25 12:32:21 +01:00
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$info->params[] = [
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2017-01-17 07:14:43 +01:00
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'name' => $line_parts[1],
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2016-12-25 12:32:21 +01:00
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'type' => $line_parts[0],
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2017-11-19 19:05:35 +01:00
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'line_number' => (int)$line_number,
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2016-12-25 12:32:21 +01:00
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];
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2016-10-15 06:12:57 +02:00
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}
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2016-12-25 12:32:21 +01:00
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} else {
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throw new DocblockParseException('Badly-formatted @param');
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2016-06-24 00:45:46 +02:00
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}
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}
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}
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2016-07-22 19:29:46 +02:00
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if (isset($comments['specials']['deprecated'])) {
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2016-11-13 05:59:31 +01:00
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$info->deprecated = true;
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2016-07-22 19:29:46 +02:00
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}
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2016-10-11 20:17:55 +02:00
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if (isset($comments['specials']['psalm-suppress'])) {
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2016-12-17 06:48:31 +01:00
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/** @var string $suppress_entry */
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2016-10-11 20:17:55 +02:00
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foreach ($comments['specials']['psalm-suppress'] as $suppress_entry) {
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2016-12-17 06:48:31 +01:00
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$info->suppress[] = preg_split('/[\s]+/', $suppress_entry)[0];
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2016-07-22 19:29:46 +02:00
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}
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}
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2017-02-10 02:35:17 +01:00
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if (isset($comments['specials']['template'])) {
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/** @var string $suppress_entry */
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foreach ($comments['specials']['template'] as $template_line) {
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$template_type = preg_split('/[\s]+/', $template_line);
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2017-05-27 02:05:57 +02:00
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if (count($template_type) > 2 && in_array(strtolower($template_type[1]), ['as', 'super'], true)) {
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2017-02-10 02:35:17 +01:00
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$info->template_types[] = [$template_type[0], strtolower($template_type[1]), $template_type[2]];
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} else {
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$info->template_types[] = [$template_type[0]];
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}
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}
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}
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if (isset($comments['specials']['template-typeof'])) {
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/** @var string $suppress_entry */
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foreach ($comments['specials']['template-typeof'] as $template_typeof) {
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$typeof_parts = preg_split('/[\s]+/', $template_typeof);
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if (count($typeof_parts) < 2 || $typeof_parts[1][0] !== '$') {
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2017-11-15 03:43:31 +01:00
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throw new IncorrectDocblockException('Misplaced variable');
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2017-02-10 02:35:17 +01:00
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}
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$info->template_typeofs[] = [
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'template_type' => $typeof_parts[0],
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'param_name' => substr($typeof_parts[1], 1),
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];
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}
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}
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2016-11-13 05:59:31 +01:00
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$info->variadic = isset($comments['specials']['psalm-variadic']);
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2017-05-10 18:36:11 +02:00
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$info->ignore_nullable_return = isset($comments['specials']['psalm-ignore-nullable-return']);
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2016-10-18 23:55:07 +02:00
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2016-06-24 00:45:46 +02:00
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return $info;
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}
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2016-10-28 06:11:16 +02:00
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2017-02-10 02:35:17 +01:00
|
|
|
/**
|
|
|
|
* @param string $comment
|
|
|
|
* @param int $line_number
|
2017-05-27 02:16:18 +02:00
|
|
|
*
|
|
|
|
* @throws DocblockParseException if there was a problem parsing the docblock
|
|
|
|
*
|
2017-02-10 02:35:17 +01:00
|
|
|
* @return ClassLikeDocblockComment
|
|
|
|
* @psalm-suppress MixedArrayAccess
|
|
|
|
*/
|
|
|
|
public static function extractClassLikeDocblockInfo($comment, $line_number)
|
|
|
|
{
|
|
|
|
$comments = self::parseDocComment($comment, $line_number);
|
|
|
|
|
|
|
|
$info = new ClassLikeDocblockComment();
|
|
|
|
|
|
|
|
if (isset($comments['specials']['template'])) {
|
|
|
|
/** @var string $suppress_entry */
|
|
|
|
foreach ($comments['specials']['template'] as $template_line) {
|
|
|
|
$template_type = preg_split('/[\s]+/', $template_line);
|
|
|
|
|
2017-05-27 02:05:57 +02:00
|
|
|
if (count($template_type) > 2 && in_array(strtolower($template_type[1]), ['as', 'super'], true)) {
|
2017-02-10 02:35:17 +01:00
|
|
|
$info->template_types[] = [$template_type[0], strtolower($template_type[1]), $template_type[2]];
|
|
|
|
} else {
|
|
|
|
$info->template_types[] = [$template_type[0]];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-05-05 00:35:05 +02:00
|
|
|
if (isset($comments['specials']['deprecated'])) {
|
|
|
|
$info->deprecated = true;
|
|
|
|
}
|
|
|
|
|
2017-11-17 02:47:58 +01:00
|
|
|
if (isset($comments['specials']['psalm-seal-properties'])) {
|
|
|
|
$info->sealed_properties = true;
|
|
|
|
}
|
|
|
|
|
2017-09-13 17:32:13 +02:00
|
|
|
if (isset($comments['specials']['psalm-suppress'])) {
|
|
|
|
/** @var string $suppress_entry */
|
|
|
|
foreach ($comments['specials']['psalm-suppress'] as $suppress_entry) {
|
|
|
|
$info->suppressed_issues[] = preg_split('/[\s]+/', $suppress_entry)[0];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
self::addMagicPropertyToInfo($info, $comments['specials'], 'property');
|
|
|
|
self::addMagicPropertyToInfo($info, $comments['specials'], 'property-read');
|
|
|
|
self::addMagicPropertyToInfo($info, $comments['specials'], 'property-write');
|
2017-05-05 00:35:05 +02:00
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
return $info;
|
|
|
|
}
|
2017-05-05 00:35:05 +02:00
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
/**
|
|
|
|
* @param ClassLikeDocblockComment $info
|
|
|
|
* @param array<string,array<mixed,string>> $specials
|
|
|
|
* @param string $property_tag ('property', 'property-read', or 'property-write')
|
2017-12-15 22:48:06 +01:00
|
|
|
*
|
2017-12-14 20:22:27 +01:00
|
|
|
* @throws DocblockParseException
|
2017-12-15 22:48:06 +01:00
|
|
|
*
|
|
|
|
* @return void
|
2017-12-14 20:22:27 +01:00
|
|
|
*/
|
|
|
|
protected static function addMagicPropertyToInfo(ClassLikeDocblockComment $info, array $specials, $property_tag)
|
|
|
|
{
|
|
|
|
$magic_property_comments = isset($specials[$property_tag]) ? $specials[$property_tag] : [];
|
|
|
|
foreach ($magic_property_comments as $line_number => $property) {
|
|
|
|
try {
|
|
|
|
$line_parts = self::splitDocLine($property);
|
|
|
|
} catch (DocblockParseException $e) {
|
|
|
|
throw $e;
|
|
|
|
}
|
2017-05-05 00:35:05 +02:00
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
if (count($line_parts) === 1 && $line_parts[0][0] === '$') {
|
|
|
|
array_unshift($line_parts, 'mixed');
|
|
|
|
}
|
2017-05-25 03:11:18 +02:00
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
if (count($line_parts) > 1) {
|
|
|
|
if (preg_match('/^' . self::TYPE_REGEX . '$/', $line_parts[0])
|
|
|
|
&& !preg_match('/\[[^\]]+\]/', $line_parts[0])
|
|
|
|
&& preg_match('/^(\.\.\.)?&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
|
|
|
|
&& !strpos($line_parts[0], '::')
|
|
|
|
&& $line_parts[0][0] !== '{'
|
|
|
|
) {
|
|
|
|
if ($line_parts[1][0] === '&') {
|
|
|
|
$line_parts[1] = substr($line_parts[1], 1);
|
|
|
|
}
|
2017-05-05 00:35:05 +02:00
|
|
|
|
2017-12-14 20:22:27 +01:00
|
|
|
if ($line_parts[0][0] === '$' && $line_parts[0] !== '$this') {
|
|
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
2017-05-05 00:35:05 +02:00
|
|
|
}
|
2017-12-14 20:22:27 +01:00
|
|
|
|
|
|
|
$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
|
|
|
|
|
|
|
|
$info->properties[] = [
|
|
|
|
'name' => $line_parts[1],
|
|
|
|
'type' => $line_parts[0],
|
|
|
|
'line_number' => $line_number,
|
|
|
|
'tag' => $property_tag,
|
|
|
|
];
|
2017-05-05 00:35:05 +02:00
|
|
|
} else {
|
2017-12-14 20:22:27 +01:00
|
|
|
throw new DocblockParseException('Badly-formatted @property');
|
2017-05-05 00:35:05 +02:00
|
|
|
}
|
2017-12-14 20:22:27 +01:00
|
|
|
} else {
|
|
|
|
throw new DocblockParseException('Badly-formatted @property');
|
2017-05-05 00:35:05 +02:00
|
|
|
}
|
|
|
|
}
|
2017-02-10 02:35:17 +01:00
|
|
|
}
|
|
|
|
|
2016-10-28 06:11:16 +02:00
|
|
|
/**
|
|
|
|
* @param string $return_block
|
2017-05-27 02:16:18 +02:00
|
|
|
*
|
|
|
|
* @throws DocblockParseException if an invalid string is found
|
|
|
|
*
|
2016-10-28 06:11:16 +02:00
|
|
|
* @return array<string>
|
|
|
|
*/
|
|
|
|
protected static function splitDocLine($return_block)
|
|
|
|
{
|
|
|
|
$brackets = '';
|
|
|
|
|
|
|
|
$type = '';
|
|
|
|
|
2017-05-27 02:05:57 +02:00
|
|
|
for ($i = 0; $i < strlen($return_block); ++$i) {
|
2016-10-28 06:11:16 +02:00
|
|
|
$char = $return_block[$i];
|
|
|
|
|
|
|
|
if ($char === '[' || $char === '{' || $char === '(' || $char === '<') {
|
|
|
|
$brackets .= $char;
|
2016-11-02 07:29:00 +01:00
|
|
|
} elseif ($char === ']' || $char === '}' || $char === ')' || $char === '>') {
|
2016-10-28 06:11:16 +02:00
|
|
|
$last_bracket = substr($brackets, -1);
|
|
|
|
$brackets = substr($brackets, 0, -1);
|
|
|
|
|
|
|
|
if (($char === ']' && $last_bracket !== '[')
|
|
|
|
|| ($char === '}' && $last_bracket !== '{')
|
|
|
|
|| ($char === ')' && $last_bracket !== '(')
|
|
|
|
|| ($char === '>' && $last_bracket !== '<')
|
|
|
|
) {
|
2016-11-02 07:29:00 +01:00
|
|
|
throw new DocblockParseException('Invalid string ' . $return_block);
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
2016-11-02 07:29:00 +01:00
|
|
|
} elseif ($char === ' ' || $char === "\t") {
|
2016-10-28 06:11:16 +02:00
|
|
|
if ($brackets) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2016-11-01 05:39:41 +01:00
|
|
|
$remaining = trim(substr($return_block, $i + 1));
|
|
|
|
|
|
|
|
if ($remaining) {
|
|
|
|
return array_merge([$type], preg_split('/[\s\t]+/', $remaining));
|
|
|
|
}
|
|
|
|
|
|
|
|
return [$type];
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
$type .= $char;
|
|
|
|
}
|
|
|
|
|
|
|
|
return [$type];
|
|
|
|
}
|
|
|
|
|
2016-11-02 07:29:00 +01:00
|
|
|
/**
|
2016-10-28 06:11:16 +02:00
|
|
|
* Parse a docblock comment into its parts.
|
|
|
|
*
|
2016-11-02 07:29:00 +01:00
|
|
|
* Taken from advanced api docmaker, which was taken from
|
|
|
|
* https://github.com/facebook/libphutil/blob/master/src/parser/docblock/PhutilDocblockParser.php
|
2016-10-28 06:11:16 +02:00
|
|
|
*
|
|
|
|
* @param string $docblock
|
2016-12-04 01:11:30 +01:00
|
|
|
* @param int $line_number
|
2017-05-27 02:16:18 +02:00
|
|
|
*
|
2016-10-28 06:11:16 +02:00
|
|
|
* @return array Array of the main comment and specials
|
2017-01-15 01:06:58 +01:00
|
|
|
* @psalm-return array{description:string, specials:array<string, array<mixed, string>>}
|
2016-10-28 06:11:16 +02:00
|
|
|
*/
|
2016-12-04 01:11:30 +01:00
|
|
|
public static function parseDocComment($docblock, $line_number = null)
|
2016-10-28 06:11:16 +02:00
|
|
|
{
|
|
|
|
// Strip off comments.
|
|
|
|
$docblock = trim($docblock);
|
|
|
|
$docblock = preg_replace('@^/\*\*@', '', $docblock);
|
|
|
|
$docblock = preg_replace('@\*/$@', '', $docblock);
|
2017-01-02 05:30:59 +01:00
|
|
|
$docblock = preg_replace('@^[ \t]*\*@m', '', $docblock);
|
2016-10-28 06:11:16 +02:00
|
|
|
|
|
|
|
// Normalize multi-line @specials.
|
|
|
|
$lines = explode("\n", $docblock);
|
2016-12-04 01:11:30 +01:00
|
|
|
|
|
|
|
$line_map = [];
|
|
|
|
|
2016-12-11 19:48:11 +01:00
|
|
|
/** @var int|false */
|
2016-10-28 06:11:16 +02:00
|
|
|
$last = false;
|
|
|
|
foreach ($lines as $k => $line) {
|
|
|
|
if (preg_match('/^\s?@\w/i', $line)) {
|
|
|
|
$last = $k;
|
|
|
|
} elseif (preg_match('/^\s*$/', $line)) {
|
|
|
|
$last = false;
|
|
|
|
} elseif ($last !== false) {
|
2017-01-28 06:24:25 +01:00
|
|
|
$old_last_line = $lines[$last];
|
2017-05-25 04:07:49 +02:00
|
|
|
$lines[$last] = rtrim($old_last_line) . ' ' . trim($line);
|
2017-01-28 06:24:25 +01:00
|
|
|
|
|
|
|
if ($line_number) {
|
|
|
|
$old_line_number = $line_map[$old_last_line];
|
|
|
|
unset($line_map[$old_last_line]);
|
|
|
|
$line_map[$lines[$last]] = $old_line_number;
|
|
|
|
}
|
|
|
|
|
2016-10-28 06:11:16 +02:00
|
|
|
unset($lines[$k]);
|
|
|
|
}
|
2016-12-04 01:11:30 +01:00
|
|
|
|
|
|
|
if ($line_number) {
|
|
|
|
$line_map[$line] = $line_number++;
|
|
|
|
}
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
2016-11-02 07:29:00 +01:00
|
|
|
|
2016-10-28 06:11:16 +02:00
|
|
|
$docblock = implode("\n", $lines);
|
|
|
|
|
2016-11-02 07:29:00 +01:00
|
|
|
$special = [];
|
2016-10-28 06:11:16 +02:00
|
|
|
|
|
|
|
// Parse @specials.
|
2016-11-01 19:14:35 +01:00
|
|
|
$matches = [];
|
2017-05-25 07:32:34 +02:00
|
|
|
$have_specials = preg_match_all('/^\s?@([\w\-:]+)[\t ]*([^\n]*)/m', $docblock, $matches, PREG_SET_ORDER);
|
2016-10-28 06:11:16 +02:00
|
|
|
if ($have_specials) {
|
|
|
|
$docblock = preg_replace('/^\s?@([\w\-:]+)\s*([^\n]*)/m', '', $docblock);
|
2016-12-17 06:48:31 +01:00
|
|
|
/** @var string[] $match */
|
2016-12-04 01:11:30 +01:00
|
|
|
foreach ($matches as $m => $match) {
|
2016-10-28 06:11:16 +02:00
|
|
|
list($_, $type, $data) = $match;
|
|
|
|
|
|
|
|
if (empty($special[$type])) {
|
2016-12-04 01:11:30 +01:00
|
|
|
$special[$type] = [];
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
|
|
|
|
2017-06-29 06:28:37 +02:00
|
|
|
$line_number = $line_map && isset($line_map[$_]) ? $line_map[$_] : (int)$m;
|
|
|
|
|
|
|
|
$special[$type][$line_number] = $data;
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
$docblock = str_replace("\t", ' ', $docblock);
|
|
|
|
|
|
|
|
// Smush the whole docblock to the left edge.
|
|
|
|
$min_indent = 80;
|
|
|
|
$indent = 0;
|
|
|
|
foreach (array_filter(explode("\n", $docblock)) as $line) {
|
2017-05-27 02:05:57 +02:00
|
|
|
for ($ii = 0; $ii < strlen($line); ++$ii) {
|
2016-10-28 06:11:16 +02:00
|
|
|
if ($line[$ii] != ' ') {
|
|
|
|
break;
|
|
|
|
}
|
2017-05-27 02:05:57 +02:00
|
|
|
++$indent;
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/** @var int */
|
|
|
|
$min_indent = min($indent, $min_indent);
|
|
|
|
}
|
|
|
|
|
|
|
|
$docblock = preg_replace('/^' . str_repeat(' ', $min_indent) . '/m', '', $docblock);
|
|
|
|
$docblock = rtrim($docblock);
|
|
|
|
|
|
|
|
// Trim any empty lines off the front, but leave the indent level if there
|
|
|
|
// is one.
|
|
|
|
$docblock = preg_replace('/^\s*\n/', '', $docblock);
|
|
|
|
|
2016-11-02 07:29:00 +01:00
|
|
|
return [
|
|
|
|
'description' => $docblock,
|
2017-05-27 02:05:57 +02:00
|
|
|
'specials' => $special,
|
2016-11-02 07:29:00 +01:00
|
|
|
];
|
2016-10-28 06:11:16 +02:00
|
|
|
}
|
2016-11-13 05:59:31 +01:00
|
|
|
|
|
|
|
/**
|
|
|
|
* @param array{description:string,specials:array<string,array<string>>} $parsed_doc_comment
|
2016-11-21 19:37:27 +01:00
|
|
|
* @param string $left_padding
|
2017-05-27 02:16:18 +02:00
|
|
|
*
|
2017-09-16 18:45:11 +02:00
|
|
|
* @return string
|
2016-11-13 05:59:31 +01:00
|
|
|
*/
|
|
|
|
public static function renderDocComment(array $parsed_doc_comment, $left_padding)
|
|
|
|
{
|
2017-09-16 18:45:11 +02:00
|
|
|
$doc_comment_text = '/**' . PHP_EOL;
|
2016-11-13 05:59:31 +01:00
|
|
|
|
|
|
|
$description_lines = null;
|
|
|
|
|
|
|
|
$trimmed_description = trim($parsed_doc_comment['description']);
|
|
|
|
|
|
|
|
if (!empty($trimmed_description)) {
|
|
|
|
$description_lines = explode(PHP_EOL, $parsed_doc_comment['description']);
|
|
|
|
|
|
|
|
foreach ($description_lines as $line) {
|
2017-09-16 18:45:11 +02:00
|
|
|
$doc_comment_text .= $left_padding . ' * ' . $line . PHP_EOL;
|
2016-11-13 05:59:31 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ($description_lines && $parsed_doc_comment['specials']) {
|
2017-09-16 18:45:11 +02:00
|
|
|
$doc_comment_text .= $left_padding . ' *' . PHP_EOL;
|
2016-11-13 05:59:31 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if ($parsed_doc_comment['specials']) {
|
|
|
|
$special_type_lengths = array_map('strlen', array_keys($parsed_doc_comment['specials']));
|
|
|
|
/** @var int */
|
|
|
|
$special_type_width = max($special_type_lengths) + 1;
|
|
|
|
|
2017-09-16 21:08:11 +02:00
|
|
|
$last_type = null;
|
2017-09-16 21:00:50 +02:00
|
|
|
|
2016-11-13 05:59:31 +01:00
|
|
|
foreach ($parsed_doc_comment['specials'] as $type => $lines) {
|
2017-09-16 21:08:11 +02:00
|
|
|
if ($last_type !== null && ($last_type !== 'return' || $type !== 'psalm-return')) {
|
|
|
|
$doc_comment_text .= $left_padding . ' *' . PHP_EOL;
|
|
|
|
}
|
|
|
|
|
2016-11-13 05:59:31 +01:00
|
|
|
foreach ($lines as $line) {
|
2017-09-16 18:45:11 +02:00
|
|
|
$doc_comment_text .= $left_padding . ' * @' . str_pad($type, $special_type_width) . $line . PHP_EOL;
|
2016-11-13 05:59:31 +01:00
|
|
|
}
|
2017-09-16 21:00:50 +02:00
|
|
|
|
2017-09-16 21:08:11 +02:00
|
|
|
$last_type = $type;
|
2016-11-13 05:59:31 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-09-16 18:45:11 +02:00
|
|
|
$doc_comment_text .= $left_padding . ' */' . PHP_EOL . $left_padding;
|
2016-11-13 05:59:31 +01:00
|
|
|
|
|
|
|
return $doc_comment_text;
|
|
|
|
}
|
2016-06-24 00:45:46 +02:00
|
|
|
}
|