mirror of
https://github.com/danog/psalm.git
synced 2024-12-12 09:19:40 +01:00
1272 lines
49 KiB
PHP
1272 lines
49 KiB
PHP
<?php
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namespace Psalm\Internal\Analyzer;
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use PhpParser;
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use Psalm\Aliases;
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use Psalm\DocComment;
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use Psalm\Exception\DocblockParseException;
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use Psalm\Exception\IncorrectDocblockException;
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use Psalm\Exception\TypeParseTreeException;
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use Psalm\FileSource;
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use Psalm\Internal\Scanner\ClassLikeDocblockComment;
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use Psalm\Internal\Scanner\FunctionDocblockComment;
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use Psalm\Internal\Scanner\VarDocblockComment;
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use Psalm\Internal\Type\ParseTree;
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use Psalm\Type;
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use function trim;
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use function substr_count;
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use function strlen;
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use function preg_replace;
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use function str_replace;
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use function preg_match;
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use function count;
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use function reset;
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use function preg_split;
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use const PREG_SPLIT_DELIM_CAPTURE;
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use const PREG_SPLIT_NO_EMPTY;
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use function array_shift;
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use function implode;
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use function substr;
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use function strpos;
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use function strtolower;
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use function in_array;
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use function explode;
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use function array_merge;
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use const PREG_OFFSET_CAPTURE;
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use function rtrim;
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/**
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* @internal
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*/
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class CommentAnalyzer
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{
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const TYPE_REGEX = '(\??\\\?[\(\)A-Za-z0-9_&\<\.=,\>\[\]\-\{\}:|?\\\\]*|\$[a-zA-Z_0-9_]+)';
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/**
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* @param array<string, array<string, array{Type\Union}>>|null $template_type_map
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* @param array<string, array<int, array{0: string, 1: int}>> $type_aliases
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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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* @return VarDocblockComment[]
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*/
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public static function getTypeFromComment(
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PhpParser\Comment\Doc $comment,
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FileSource $source,
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Aliases $aliases,
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array $template_type_map = null,
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?array $type_aliases = null
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) {
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$parsed_docblock = DocComment::parsePreservingLength($comment);
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return self::arrayToDocblocks(
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$comment,
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$parsed_docblock,
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$source,
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$aliases,
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$template_type_map,
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$type_aliases
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);
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}
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/**
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* @param array<string, array<string, array{Type\Union}>>|null $template_type_map
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* @param array<string, array<int, array{0: string, 1: int}>> $type_aliases
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* @param array{description:string, specials:array<string, array<int, string>>} $parsed_docblock
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*
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* @return VarDocblockComment[]
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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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public static function arrayToDocblocks(
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PhpParser\Comment\Doc $comment,
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array $parsed_docblock,
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FileSource $source,
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Aliases $aliases,
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array $template_type_map = null,
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?array $type_aliases = null
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) : array {
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$var_id = null;
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$var_type_tokens = null;
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$original_type = null;
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$var_comments = [];
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$comment_text = $comment->getText();
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$var_line_number = $comment->getLine();
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if ($parsed_docblock) {
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$all_vars = ($parsed_docblock['specials']['var'] ?? [])
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+ ($parsed_docblock['specials']['phpstan-var'] ?? [])
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+ ($parsed_docblock['specials']['psalm-var'] ?? []);
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foreach ($all_vars as $offset => $var_line) {
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$var_line = trim($var_line);
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if (!$var_line) {
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continue;
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}
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$type_start = null;
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$type_end = null;
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$line_parts = self::splitDocLine($var_line);
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$line_number = $comment->getLine() + substr_count($comment_text, "\n", 0, $offset);
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if ($line_parts && $line_parts[0]) {
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$type_start = $offset + $comment->getFilePos();
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$type_end = $type_start + strlen($line_parts[0]);
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$line_parts[0] = preg_replace('@^[ \t]*\*@m', '', $line_parts[0]);
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$line_parts[0] = preg_replace('/,\n\s+\}/', '}', $line_parts[0]);
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$line_parts[0] = str_replace("\n", '', $line_parts[0]);
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if ($line_parts[0] === ''
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|| ($line_parts[0][0] === '$'
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&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
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) {
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throw new IncorrectDocblockException('Misplaced variable');
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}
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try {
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$var_type_tokens = Type::fixUpLocalType(
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$line_parts[0],
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$aliases,
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$template_type_map,
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$type_aliases
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);
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} catch (TypeParseTreeException $e) {
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throw new DocblockParseException($line_parts[0] . ' is not a valid type');
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}
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$original_type = $line_parts[0];
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$var_line_number = $line_number;
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if (count($line_parts) > 1 && $line_parts[1][0] === '$') {
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$var_id = $line_parts[1];
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}
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}
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if (!$var_type_tokens || !$original_type) {
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continue;
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}
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try {
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$defined_type = Type::parseTokens($var_type_tokens, null, $template_type_map ?: []);
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} catch (TypeParseTreeException $e) {
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throw new DocblockParseException(
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$line_parts[0] .
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' is not a valid type' .
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' (from ' .
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$source->getFilePath() .
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':' .
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$comment->getLine() .
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')'
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);
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}
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$defined_type->setFromDocblock();
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$var_comment = new VarDocblockComment();
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$var_comment->type = $defined_type;
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$var_comment->original_type = $original_type;
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$var_comment->var_id = $var_id;
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$var_comment->line_number = $var_line_number;
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$var_comment->type_start = $type_start;
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$var_comment->type_end = $type_end;
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$var_comment->deprecated = isset($parsed_docblock['specials']['deprecated']);
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$var_comment->internal = isset($parsed_docblock['specials']['internal']);
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$var_comment->readonly = isset($parsed_docblock['specials']['readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
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$var_comment->allow_private_mutation
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= isset($parsed_docblock['specials']['psalm-allow-private-mutation'])
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|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
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$var_comment->remove_taint = isset($parsed_docblock['specials']['psalm-remove-taint']);
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if (isset($parsed_docblock['specials']['psalm-internal'])) {
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$psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
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if ($psalm_internal) {
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$var_comment->psalm_internal = $psalm_internal;
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} else {
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throw new DocblockParseException('psalm-internal annotation used without specifying namespace');
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}
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$var_comment->psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
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if (!$var_comment->internal) {
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throw new DocblockParseException('@psalm-internal annotation used without @internal');
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}
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}
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$var_comments[] = $var_comment;
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}
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}
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if (!$var_comments
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&& (isset($parsed_docblock['specials']['deprecated'])
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|| isset($parsed_docblock['specials']['internal'])
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|| isset($parsed_docblock['specials']['readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation'])
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|| isset($parsed_docblock['specials']['psalm-remove-taint']))
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) {
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$var_comment = new VarDocblockComment();
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$var_comment->deprecated = isset($parsed_docblock['specials']['deprecated']);
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$var_comment->internal = isset($parsed_docblock['specials']['internal']);
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$var_comment->readonly = isset($parsed_docblock['specials']['readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly'])
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|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
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$var_comment->allow_private_mutation
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= isset($parsed_docblock['specials']['psalm-allow-private-mutation'])
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|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
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$var_comment->remove_taint = isset($parsed_docblock['specials']['psalm-remove-taint']);
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$var_comments[] = $var_comment;
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}
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return $var_comments;
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}
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/**
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* @param Aliases $aliases
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* @param array<string, array<int, array{0: string, 1: int}>> $type_aliases
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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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* @return array<string, list<array{0: string, 1: int}>>
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*/
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public static function getTypeAliasesFromComment(
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PhpParser\Comment\Doc $comment,
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Aliases $aliases,
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array $type_aliases = null
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) {
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$parsed_docblock = DocComment::parsePreservingLength($comment);
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if (!isset($parsed_docblock['specials']['psalm-type'])) {
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return [];
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}
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return self::getTypeAliasesFromCommentLines(
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$parsed_docblock['specials']['psalm-type'],
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$aliases,
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$type_aliases
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);
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}
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/**
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* @param array<string> $type_alias_comment_lines
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* @param Aliases $aliases
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* @param array<string, array<int, array{0: string, 1: int}>> $type_aliases
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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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* @return array<string, list<array{0: string, 1: int}>>
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*/
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private static function getTypeAliasesFromCommentLines(
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array $type_alias_comment_lines,
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Aliases $aliases,
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array $type_aliases = null
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) {
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$type_alias_tokens = [];
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foreach ($type_alias_comment_lines as $var_line) {
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$var_line = trim($var_line);
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if (!$var_line) {
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continue;
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}
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$var_line = preg_replace('/[ \t]+/', ' ', preg_replace('@^[ \t]*\*@m', '', $var_line));
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$var_line_parts = preg_split('/( |=)/', $var_line, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
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if (!$var_line_parts) {
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continue;
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}
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$type_alias = array_shift($var_line_parts);
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if (!isset($var_line_parts[0])) {
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continue;
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}
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if ($var_line_parts[0] === ' ') {
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array_shift($var_line_parts);
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}
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if ($var_line_parts[0] === '=') {
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array_shift($var_line_parts);
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}
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if (!isset($var_line_parts[0])) {
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continue;
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}
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if ($var_line_parts[0] === ' ') {
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array_shift($var_line_parts);
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}
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$type_string = str_replace("\n", '', implode('', $var_line_parts));
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$type_string = preg_replace('/>[^>^\}]*$/', '>', $type_string);
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$type_string = preg_replace('/\}[^>^\}]*$/', '}', $type_string);
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try {
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$type_tokens = Type::fixUpLocalType(
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$type_string,
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$aliases,
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null,
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$type_alias_tokens + $type_aliases
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);
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} catch (TypeParseTreeException $e) {
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throw new DocblockParseException($type_string . ' is not a valid type');
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}
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$type_alias_tokens[$type_alias] = $type_tokens;
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}
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return $type_alias_tokens;
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}
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/**
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* @param int $line_number
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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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* @return FunctionDocblockComment
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*/
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public static function extractFunctionDocblockInfo(PhpParser\Comment\Doc $comment)
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{
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$parsed_docblock = DocComment::parsePreservingLength($comment);
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$comment_text = $comment->getText();
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$info = new FunctionDocblockComment();
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if (isset($parsed_docblock['specials']['return'])
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|| isset($parsed_docblock['specials']['psalm-return'])
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|| isset($parsed_docblock['specials']['phpstan-return'])
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) {
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if (isset($parsed_docblock['specials']['psalm-return'])) {
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$return_specials = $parsed_docblock['specials']['psalm-return'];
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} elseif (isset($parsed_docblock['specials']['phpstan-return'])) {
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$return_specials = $parsed_docblock['specials']['phpstan-return'];
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} else {
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$return_specials = $parsed_docblock['specials']['return'];
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}
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self::extractReturnType(
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$comment,
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$return_specials,
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$info
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);
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}
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if (isset($parsed_docblock['specials']['param'])
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|| isset($parsed_docblock['specials']['psalm-param'])
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|| isset($parsed_docblock['specials']['phpstan-param'])
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) {
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$all_params =
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(isset($parsed_docblock['specials']['param'])
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? $parsed_docblock['specials']['param']
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: [])
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+ (isset($parsed_docblock['specials']['phpstan-param'])
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? $parsed_docblock['specials']['phpstan-param']
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: [])
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+ (isset($parsed_docblock['specials']['psalm-param'])
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? $parsed_docblock['specials']['psalm-param']
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: []);
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foreach ($all_params as $offset => $param) {
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$line_parts = self::splitDocLine($param);
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if (count($line_parts) === 1 && isset($line_parts[0][0]) && $line_parts[0][0] === '$') {
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continue;
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}
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if (count($line_parts) > 1) {
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if (preg_match('/^&?(\.\.\.)?&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
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&& $line_parts[0][0] !== '{'
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) {
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$line_parts[1] = str_replace('&', '', $line_parts[1]);
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$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
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$start = $offset + $comment->getFilePos();
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$end = $start + strlen($line_parts[0]);
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$line_parts[0] = preg_replace('@^[ \t]*\*@m', '', $line_parts[0]);
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$line_parts[0] = preg_replace('/,\n\s+\}/', '}', $line_parts[0]);
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$line_parts[0] = str_replace("\n", '', $line_parts[0]);
|
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|
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if ($line_parts[0] === ''
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|| ($line_parts[0][0] === '$'
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&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
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) {
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throw new IncorrectDocblockException('Misplaced variable');
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}
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$info->params[] = [
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'name' => trim($line_parts[1]),
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'type' => $line_parts[0],
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'line_number' => $comment->getLine() + substr_count($comment_text, "\n", 0, $offset),
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'start' => $start,
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'end' => $end,
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];
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}
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} else {
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throw new DocblockParseException('Badly-formatted @param');
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}
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}
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}
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|
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if (isset($parsed_docblock['specials']['param-out'])) {
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foreach ($parsed_docblock['specials']['param-out'] as $offset => $param) {
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$line_parts = self::splitDocLine($param);
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|
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if (count($line_parts) === 1 && isset($line_parts[0][0]) && $line_parts[0][0] === '$') {
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continue;
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}
|
|
|
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if (count($line_parts) > 1) {
|
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if (!preg_match('/\[[^\]]+\]/', $line_parts[0])
|
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&& preg_match('/^(\.\.\.)?&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
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&& $line_parts[0][0] !== '{'
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) {
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if ($line_parts[1][0] === '&') {
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$line_parts[1] = substr($line_parts[1], 1);
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}
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$line_parts[0] = str_replace("\n", '', preg_replace('@^[ \t]*\*@m', '', $line_parts[0]));
|
|
|
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if ($line_parts[0] === ''
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|| ($line_parts[0][0] === '$'
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&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
|
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) {
|
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throw new IncorrectDocblockException('Misplaced variable');
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}
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$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
|
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$info->params_out[] = [
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'name' => trim($line_parts[1]),
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'type' => str_replace("\n", '', $line_parts[0]),
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'line_number' => $comment->getLine() + substr_count($comment_text, "\n", 0, $offset),
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];
|
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}
|
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} else {
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throw new DocblockParseException('Badly-formatted @param');
|
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}
|
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}
|
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}
|
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|
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if (isset($parsed_docblock['specials']['psalm-taint-sink'])) {
|
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foreach ($parsed_docblock['specials']['psalm-taint-sink'] as $param) {
|
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$param = trim($param);
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|
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$info->taint_sink_params[] = ['name' => $param];
|
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}
|
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}
|
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|
|
if (isset($parsed_docblock['specials']['psalm-assert-untainted'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-assert-untainted'] as $param) {
|
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$param = trim($param);
|
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|
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$info->assert_untainted_params[] = ['name' => $param];
|
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}
|
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}
|
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|
|
if (isset($parsed_docblock['specials']['global'])) {
|
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foreach ($parsed_docblock['specials']['global'] as $offset => $global) {
|
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$line_parts = self::splitDocLine($global);
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|
|
if (count($line_parts) === 1 && isset($line_parts[0][0]) && $line_parts[0][0] === '$') {
|
|
continue;
|
|
}
|
|
|
|
if (count($line_parts) > 1) {
|
|
if (!preg_match('/\[[^\]]+\]/', $line_parts[0])
|
|
&& preg_match('/^(\.\.\.)?&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
|
|
&& $line_parts[0][0] !== '{'
|
|
) {
|
|
if ($line_parts[1][0] === '&') {
|
|
$line_parts[1] = substr($line_parts[1], 1);
|
|
}
|
|
|
|
if ($line_parts[0][0] === '$' && !preg_match('/^\$this(\||$)/', $line_parts[0])) {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
|
|
|
|
$info->globals[] = [
|
|
'name' => $line_parts[1],
|
|
'type' => $line_parts[0],
|
|
'line_number' => $comment->getLine() + substr_count($comment_text, "\n", 0, $offset),
|
|
];
|
|
}
|
|
} else {
|
|
throw new DocblockParseException('Badly-formatted @param');
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['deprecated'])) {
|
|
$info->deprecated = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['internal'])) {
|
|
$info->internal = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-internal'])) {
|
|
$psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
|
|
if ($psalm_internal) {
|
|
$info->psalm_internal = $psalm_internal;
|
|
} else {
|
|
throw new DocblockParseException('@psalm-internal annotation used without specifying namespace');
|
|
}
|
|
$info->psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
|
|
|
|
if (! $info->internal) {
|
|
throw new DocblockParseException('@psalm-internal annotation used without @internal');
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-remove-taint'])) {
|
|
$info->remove_taint = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-suppress'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-suppress'] as $offset => $suppress_entry) {
|
|
$info->suppressed_issues[$offset + $comment->getFilePos()] = preg_split('/[\s]+/', $suppress_entry)[0];
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['throws'])) {
|
|
foreach ($parsed_docblock['specials']['throws'] as $offset => $throws_entry) {
|
|
$throws_class = preg_split('/[\s]+/', $throws_entry)[0];
|
|
|
|
if (!$throws_class) {
|
|
throw new IncorrectDocblockException('Unexpectedly empty @throws');
|
|
}
|
|
|
|
$info->throws[] = [
|
|
$throws_class,
|
|
$offset + $comment->getFilePos(),
|
|
$comment->getLine() + substr_count($comment->getText(), "\n", 0, $offset)
|
|
];
|
|
}
|
|
}
|
|
|
|
if (strpos(strtolower($parsed_docblock['description']), '@inheritdoc') !== false
|
|
|| isset($parsed_docblock['specials']['inheritdoc']) || isset($parsed_docblock['specials']['inheritDoc'])) {
|
|
$info->inheritdoc = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['template'])
|
|
|| isset($parsed_docblock['specials']['psalm-template'])
|
|
|| isset($parsed_docblock['specials']['phpstan-template'])
|
|
) {
|
|
$all_templates
|
|
= (isset($parsed_docblock['specials']['template'])
|
|
? $parsed_docblock['specials']['template']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['psalm-template'])
|
|
? $parsed_docblock['specials']['psalm-template']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['phpstan-template'])
|
|
? $parsed_docblock['specials']['phpstan-template']
|
|
: []);
|
|
|
|
foreach ($all_templates as $template_line) {
|
|
$template_type = preg_split('/[\s]+/', preg_replace('@^[ \t]*\*@m', '', $template_line));
|
|
|
|
$template_name = array_shift($template_type);
|
|
|
|
if (!$template_name) {
|
|
throw new IncorrectDocblockException('Empty @template tag');
|
|
}
|
|
|
|
if (count($template_type) > 1
|
|
&& in_array(strtolower($template_type[0]), ['as', 'super', 'of'], true)
|
|
) {
|
|
$template_modifier = strtolower(array_shift($template_type));
|
|
$info->templates[] = [
|
|
$template_name,
|
|
$template_modifier,
|
|
implode(' ', $template_type),
|
|
false
|
|
];
|
|
} else {
|
|
$info->templates[] = [$template_name, null, null, false];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['template-typeof'])) {
|
|
foreach ($parsed_docblock['specials']['template-typeof'] as $template_typeof) {
|
|
$typeof_parts = preg_split('/[\s]+/', preg_replace('@^[ \t]*\*@m', '', $template_typeof));
|
|
|
|
if (count($typeof_parts) < 2 || $typeof_parts[1][0] !== '$') {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$info->template_typeofs[] = [
|
|
'template_type' => $typeof_parts[0],
|
|
'param_name' => substr($typeof_parts[1], 1),
|
|
];
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-assert'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-assert'] as $assertion) {
|
|
$line_parts = self::splitDocLine($assertion);
|
|
|
|
if (count($line_parts) < 2 || $line_parts[1][0] !== '$') {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$info->assertions[] = [
|
|
'type' => $line_parts[0],
|
|
'param_name' => substr($line_parts[1], 1),
|
|
];
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-assert-if-true'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-assert-if-true'] as $assertion) {
|
|
$line_parts = self::splitDocLine($assertion);
|
|
|
|
if (count($line_parts) < 2 || $line_parts[1][0] !== '$') {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$info->if_true_assertions[] = [
|
|
'type' => $line_parts[0],
|
|
'param_name' => substr($line_parts[1], 1),
|
|
];
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-assert-if-false'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-assert-if-false'] as $assertion) {
|
|
$line_parts = self::splitDocLine($assertion);
|
|
|
|
if (count($line_parts) < 2 || $line_parts[1][0] !== '$') {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$info->if_false_assertions[] = [
|
|
'type' => $line_parts[0],
|
|
'param_name' => substr($line_parts[1], 1),
|
|
];
|
|
}
|
|
}
|
|
|
|
$info->variadic = isset($parsed_docblock['specials']['psalm-variadic']);
|
|
$info->pure = isset($parsed_docblock['specials']['psalm-pure'])
|
|
|| isset($parsed_docblock['specials']['pure']);
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-mutation-free'])) {
|
|
$info->mutation_free = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-external-mutation-free'])) {
|
|
$info->external_mutation_free = true;
|
|
}
|
|
|
|
$info->ignore_nullable_return = isset($parsed_docblock['specials']['psalm-ignore-nullable-return']);
|
|
$info->ignore_falsable_return = isset($parsed_docblock['specials']['psalm-ignore-falsable-return']);
|
|
|
|
return $info;
|
|
}
|
|
|
|
/**
|
|
* @param array<int, string> $return_specials
|
|
* @return void
|
|
*/
|
|
private static function extractReturnType(
|
|
PhpParser\Comment\Doc $comment,
|
|
array $return_specials,
|
|
FunctionDocblockComment $info
|
|
) {
|
|
foreach ($return_specials as $offset => $return_block) {
|
|
$return_lines = explode("\n", $return_block);
|
|
|
|
if (!trim($return_lines[0])) {
|
|
return;
|
|
}
|
|
|
|
$return_block = trim($return_block);
|
|
|
|
if (!$return_block) {
|
|
return;
|
|
}
|
|
|
|
$line_parts = self::splitDocLine($return_block);
|
|
|
|
if ($line_parts[0][0] !== '{') {
|
|
if ($line_parts[0][0] === '$' && !preg_match('/^\$this(\||$)/', $line_parts[0])) {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$start = $offset + $comment->getFilePos();
|
|
$end = $start + strlen($line_parts[0]);
|
|
|
|
$line_parts[0] = str_replace("\n", '', preg_replace('@^[ \t]*\*@m', '', $line_parts[0]));
|
|
|
|
$info->return_type = str_replace("\n", '', array_shift($line_parts));
|
|
$info->return_type_description = $line_parts ? implode(' ', $line_parts) : null;
|
|
|
|
$info->return_type_line_number
|
|
= $comment->getLine() + substr_count($comment->getText(), "\n", 0, $offset);
|
|
$info->return_type_start = $start;
|
|
$info->return_type_end = $end;
|
|
} else {
|
|
throw new DocblockParseException('Badly-formatted @return type');
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @throws DocblockParseException if there was a problem parsing the docblock
|
|
*
|
|
* @return ClassLikeDocblockComment
|
|
* @psalm-suppress MixedArrayAccess
|
|
*/
|
|
public static function extractClassLikeDocblockInfo(
|
|
\PhpParser\Node $node,
|
|
PhpParser\Comment\Doc $comment,
|
|
Aliases $aliases
|
|
) {
|
|
$parsed_docblock = DocComment::parsePreservingLength($comment);
|
|
|
|
$info = new ClassLikeDocblockComment();
|
|
|
|
if (isset($parsed_docblock['specials']['template'])
|
|
|| isset($parsed_docblock['specials']['psalm-template'])
|
|
|| isset($parsed_docblock['specials']['phpstan-template'])
|
|
) {
|
|
$all_templates
|
|
= (isset($parsed_docblock['specials']['template'])
|
|
? $parsed_docblock['specials']['template']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['phpstan-template'])
|
|
? $parsed_docblock['specials']['phpstan-template']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['psalm-template'])
|
|
? $parsed_docblock['specials']['psalm-template']
|
|
: []);
|
|
|
|
foreach ($all_templates as $offset => $template_line) {
|
|
$template_type = preg_split('/[\s]+/', preg_replace('@^[ \t]*\*@m', '', $template_line));
|
|
|
|
$template_name = array_shift($template_type);
|
|
|
|
if (!$template_name) {
|
|
throw new IncorrectDocblockException('Empty @template tag');
|
|
}
|
|
|
|
if (count($template_type) > 1
|
|
&& in_array(strtolower($template_type[0]), ['as', 'super', 'of'], true)
|
|
) {
|
|
$template_modifier = strtolower(array_shift($template_type));
|
|
$info->templates[] = [
|
|
$template_name,
|
|
$template_modifier,
|
|
implode(' ', $template_type),
|
|
false,
|
|
$offset
|
|
];
|
|
} else {
|
|
$info->templates[] = [$template_name, null, null, false, $offset];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['template-covariant'])
|
|
|| isset($parsed_docblock['specials']['psalm-template-covariant'])
|
|
|| isset($parsed_docblock['specials']['phpstan-template-covariant'])
|
|
) {
|
|
$all_templates =
|
|
(isset($parsed_docblock['specials']['template-covariant'])
|
|
? $parsed_docblock['specials']['template-covariant']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['phpstan-template-covariant'])
|
|
? $parsed_docblock['specials']['phpstan-template-covariant']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['psalm-template-covariant'])
|
|
? $parsed_docblock['specials']['psalm-template-covariant']
|
|
: []);
|
|
|
|
foreach ($all_templates as $offset => $template_line) {
|
|
$template_type = preg_split('/[\s]+/', preg_replace('@^[ \t]*\*@m', '', $template_line));
|
|
|
|
$template_name = array_shift($template_type);
|
|
|
|
if (!$template_name) {
|
|
throw new IncorrectDocblockException('Empty @template-covariant tag');
|
|
}
|
|
|
|
if (count($template_type) > 1
|
|
&& in_array(strtolower($template_type[0]), ['as', 'super', 'of'], true)
|
|
) {
|
|
$template_modifier = strtolower(array_shift($template_type));
|
|
$info->templates[] = [
|
|
$template_name,
|
|
$template_modifier,
|
|
implode(' ', $template_type),
|
|
true,
|
|
$offset
|
|
];
|
|
} else {
|
|
$info->templates[] = [$template_name, null, null, true, $offset];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['template-extends'])
|
|
|| isset($parsed_docblock['specials']['inherits'])
|
|
|| isset($parsed_docblock['specials']['extends'])
|
|
|| isset($parsed_docblock['specials']['psalm-extends'])
|
|
|| isset($parsed_docblock['specials']['phpstan-extends'])
|
|
) {
|
|
$all_inheritance = ($parsed_docblock['specials']['template-extends'] ?? [])
|
|
+ ($parsed_docblock['specials']['inherits'] ?? [])
|
|
+ ($parsed_docblock['specials']['extends'] ?? [])
|
|
+ ($parsed_docblock['specials']['psalm-extends'] ?? [])
|
|
+ ($parsed_docblock['specials']['phpstan-extends'] ?? []);
|
|
|
|
foreach ($all_inheritance as $template_line) {
|
|
$info->template_extends[] = trim(preg_replace('@^[ \t]*\*@m', '', $template_line));
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['template-implements'])
|
|
|| isset($parsed_docblock['specials']['implements'])
|
|
|| isset($parsed_docblock['specials']['phpstan-implements'])
|
|
|| isset($parsed_docblock['specials']['psalm-implements'])
|
|
) {
|
|
$all_inheritance = ($parsed_docblock['specials']['template-implements'] ?? [])
|
|
+ ($parsed_docblock['specials']['implements'] ?? [])
|
|
+ ($parsed_docblock['specials']['phpstan-implements'] ?? [])
|
|
+ ($parsed_docblock['specials']['psalm-implements'] ?? []);
|
|
|
|
foreach ($all_inheritance as $template_line) {
|
|
$info->template_implements[] = trim(preg_replace('@^[ \t]*\*@m', '', $template_line));
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['deprecated'])) {
|
|
$info->deprecated = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['internal'])) {
|
|
$info->internal = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-internal'])) {
|
|
$psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
|
|
if ($psalm_internal) {
|
|
$info->psalm_internal = $psalm_internal;
|
|
} else {
|
|
throw new DocblockParseException('psalm-internal annotation used without specifying namespace');
|
|
}
|
|
|
|
if (! $info->internal) {
|
|
throw new DocblockParseException('@psalm-internal annotation used without @internal');
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['mixin'])) {
|
|
$mixin = trim(reset($parsed_docblock['specials']['mixin']));
|
|
$mixin = explode(' ', $mixin)[0];
|
|
|
|
if ($mixin) {
|
|
$info->mixin = $mixin;
|
|
} else {
|
|
throw new DocblockParseException('@mixin annotation used without specifying class');
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-seal-properties'])) {
|
|
$info->sealed_properties = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-seal-methods'])) {
|
|
$info->sealed_methods = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-immutable'])
|
|
|| isset($parsed_docblock['specials']['psalm-mutation-free'])
|
|
) {
|
|
$info->mutation_free = true;
|
|
$info->external_mutation_free = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-external-mutation-free'])) {
|
|
$info->external_mutation_free = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-override-property-visibility'])) {
|
|
$info->override_property_visibility = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-override-method-visibility'])) {
|
|
$info->override_method_visibility = true;
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['psalm-suppress'])) {
|
|
foreach ($parsed_docblock['specials']['psalm-suppress'] as $offset => $suppress_entry) {
|
|
$info->suppressed_issues[$offset + $comment->getFilePos()] = preg_split('/[\s]+/', $suppress_entry)[0];
|
|
}
|
|
}
|
|
|
|
if (isset($parsed_docblock['specials']['method']) || isset($parsed_docblock['specials']['psalm-method'])) {
|
|
$all_methods
|
|
= (isset($parsed_docblock['specials']['method'])
|
|
? $parsed_docblock['specials']['method']
|
|
: [])
|
|
+ (isset($parsed_docblock['specials']['psalm-method'])
|
|
? $parsed_docblock['specials']['psalm-method']
|
|
: []);
|
|
|
|
foreach ($all_methods as $offset => $method_entry) {
|
|
$method_entry = preg_replace('/[ \t]+/', ' ', trim($method_entry));
|
|
|
|
$docblock_lines = [];
|
|
|
|
$is_static = false;
|
|
|
|
if (!preg_match('/^([a-z_A-Z][a-z_0-9A-Z]+) *\(/', $method_entry, $matches)) {
|
|
$doc_line_parts = self::splitDocLine($method_entry);
|
|
|
|
if ($doc_line_parts[0] === 'static' && !strpos($doc_line_parts[1], '(')) {
|
|
$is_static = true;
|
|
array_shift($doc_line_parts);
|
|
}
|
|
|
|
if (count($doc_line_parts) > 1) {
|
|
$docblock_lines[] = '@return ' . array_shift($doc_line_parts);
|
|
|
|
$method_entry = implode(' ', $doc_line_parts);
|
|
}
|
|
}
|
|
|
|
$method_entry = trim(preg_replace('/\/\/.*/', '', $method_entry));
|
|
|
|
$method_entry = preg_replace(
|
|
'/array\(([0-9a-zA-Z_\'\" ]+,)*([0-9a-zA-Z_\'\" ]+)\)/',
|
|
'[]',
|
|
$method_entry
|
|
);
|
|
|
|
$end_of_method_regex = '/(?<!array\()\) ?(\: ?(\??[\\\\a-zA-Z0-9_]+))?/';
|
|
|
|
if (preg_match($end_of_method_regex, $method_entry, $matches, PREG_OFFSET_CAPTURE)) {
|
|
$method_entry = substr($method_entry, 0, (int) $matches[0][1] + strlen((string) $matches[0][0]));
|
|
}
|
|
|
|
$method_entry = str_replace([', ', '( '], [',', '('], $method_entry);
|
|
$method_entry = preg_replace('/ (?!(\$|\.\.\.|&))/', '', trim($method_entry));
|
|
|
|
// replace array bracket contents
|
|
$method_entry = preg_replace('/\[([0-9a-zA-Z_\'\" ]+,)*([0-9a-zA-Z_\'\" ]+)\]/', '[]', $method_entry);
|
|
|
|
try {
|
|
$method_tree = ParseTree::createFromTokens(
|
|
Type::fixUpLocalType(
|
|
$method_entry,
|
|
$aliases,
|
|
null
|
|
)
|
|
);
|
|
} catch (TypeParseTreeException $e) {
|
|
throw new DocblockParseException($method_entry . ' is not a valid method');
|
|
}
|
|
|
|
if (!$method_tree instanceof ParseTree\MethodWithReturnTypeTree
|
|
&& !$method_tree instanceof ParseTree\MethodTree) {
|
|
throw new DocblockParseException($method_entry . ' is not a valid method');
|
|
}
|
|
|
|
if ($method_tree instanceof ParseTree\MethodWithReturnTypeTree) {
|
|
$docblock_lines[] = '@return ' . Type::getTypeFromTree($method_tree->children[1]);
|
|
$method_tree = $method_tree->children[0];
|
|
}
|
|
|
|
if (!$method_tree instanceof ParseTree\MethodTree) {
|
|
throw new DocblockParseException($method_entry . ' is not a valid method');
|
|
}
|
|
|
|
$args = [];
|
|
|
|
foreach ($method_tree->children as $method_tree_child) {
|
|
if (!$method_tree_child instanceof ParseTree\MethodParamTree) {
|
|
throw new DocblockParseException($method_entry . ' is not a valid method');
|
|
}
|
|
|
|
$args[] = ($method_tree_child->byref ? '&' : '')
|
|
. ($method_tree_child->variadic ? '...' : '')
|
|
. $method_tree_child->name
|
|
. ($method_tree_child->default != '' ? ' = ' . $method_tree_child->default : '');
|
|
|
|
|
|
if ($method_tree_child->children) {
|
|
$param_type = Type::getTypeFromTree($method_tree_child->children[0]);
|
|
$docblock_lines[] = '@param \\' . $param_type . ' '
|
|
. ($method_tree_child->variadic ? '...' : '')
|
|
. $method_tree_child->name;
|
|
}
|
|
}
|
|
|
|
$function_string = 'function ' . $method_tree->value . '(' . implode(', ', $args) . ')';
|
|
|
|
if ($is_static) {
|
|
$function_string = 'static ' . $function_string;
|
|
}
|
|
|
|
$function_docblock = $docblock_lines ? "/**\n * " . implode("\n * ", $docblock_lines) . "\n*/\n" : "";
|
|
|
|
$php_string = '<?php class A { ' . $function_docblock . ' public ' . $function_string . '{} }';
|
|
|
|
try {
|
|
$statements = \Psalm\Internal\Provider\StatementsProvider::parseStatements($php_string);
|
|
} catch (\Exception $e) {
|
|
throw new DocblockParseException('Badly-formatted @method string ' . $method_entry);
|
|
}
|
|
|
|
if (!$statements[0] instanceof \PhpParser\Node\Stmt\Class_
|
|
|| !isset($statements[0]->stmts[0])
|
|
|| !$statements[0]->stmts[0] instanceof \PhpParser\Node\Stmt\ClassMethod
|
|
) {
|
|
throw new DocblockParseException('Badly-formatted @method string ' . $method_entry);
|
|
}
|
|
|
|
/** @var \PhpParser\Comment\Doc */
|
|
$node_doc_comment = $node->getDocComment();
|
|
|
|
$statements[0]->stmts[0]->setAttribute('startLine', $node_doc_comment->getLine());
|
|
$statements[0]->stmts[0]->setAttribute('startFilePos', $node_doc_comment->getFilePos());
|
|
$statements[0]->stmts[0]->setAttribute('endFilePos', $node->getAttribute('startFilePos'));
|
|
|
|
if ($doc_comment = $statements[0]->stmts[0]->getDocComment()) {
|
|
$statements[0]->stmts[0]->setDocComment(
|
|
new \PhpParser\Comment\Doc(
|
|
$doc_comment->getText(),
|
|
$comment->getLine() + substr_count($comment->getText(), "\n", 0, $offset),
|
|
$node_doc_comment->getFilePos()
|
|
)
|
|
);
|
|
}
|
|
|
|
$info->methods[] = $statements[0]->stmts[0];
|
|
}
|
|
}
|
|
|
|
self::addMagicPropertyToInfo($comment, $info, $parsed_docblock['specials'], 'property');
|
|
self::addMagicPropertyToInfo($comment, $info, $parsed_docblock['specials'], 'psalm-property');
|
|
self::addMagicPropertyToInfo($comment, $info, $parsed_docblock['specials'], 'property-read');
|
|
self::addMagicPropertyToInfo($comment, $info, $parsed_docblock['specials'], 'property-write');
|
|
|
|
return $info;
|
|
}
|
|
|
|
/**
|
|
* @param ClassLikeDocblockComment $info
|
|
* @param array<string, array<int, string>> $specials
|
|
* @param 'property'|'psalm-property'|'property-read'|'property-write' $property_tag
|
|
*
|
|
* @throws DocblockParseException
|
|
*
|
|
* @return void
|
|
*/
|
|
protected static function addMagicPropertyToInfo(
|
|
PhpParser\Comment\Doc $comment,
|
|
ClassLikeDocblockComment $info,
|
|
array $specials,
|
|
string $property_tag
|
|
) : void {
|
|
$magic_property_comments = isset($specials[$property_tag]) ? $specials[$property_tag] : [];
|
|
|
|
foreach ($magic_property_comments as $offset => $property) {
|
|
$line_parts = self::splitDocLine($property);
|
|
|
|
if (count($line_parts) === 1 && isset($line_parts[0][0]) && $line_parts[0][0] === '$') {
|
|
continue;
|
|
}
|
|
|
|
if (count($line_parts) > 1) {
|
|
if (preg_match('/^&?\$[A-Za-z0-9_]+,?$/', $line_parts[1])
|
|
&& $line_parts[0][0] !== '{'
|
|
) {
|
|
$line_parts[1] = str_replace('&', '', $line_parts[1]);
|
|
|
|
$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
|
|
|
|
$start = $offset + $comment->getFilePos();
|
|
$end = $start + strlen($line_parts[0]);
|
|
|
|
$line_parts[0] = str_replace("\n", '', preg_replace('@^[ \t]*\*@m', '', $line_parts[0]));
|
|
|
|
if ($line_parts[0] === ''
|
|
|| ($line_parts[0][0] === '$'
|
|
&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
|
|
) {
|
|
throw new IncorrectDocblockException('Misplaced variable');
|
|
}
|
|
|
|
$info->properties[] = [
|
|
'name' => trim($line_parts[1]),
|
|
'type' => $line_parts[0],
|
|
'line_number' => $comment->getLine() + substr_count($comment->getText(), "\n", 0, $offset),
|
|
'tag' => $property_tag,
|
|
'start' => $start,
|
|
'end' => $end,
|
|
];
|
|
}
|
|
} else {
|
|
throw new DocblockParseException('Badly-formatted @property');
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param string $return_block
|
|
*
|
|
* @throws DocblockParseException if an invalid string is found
|
|
*
|
|
* @return array<string>
|
|
*/
|
|
public static function splitDocLine($return_block)
|
|
{
|
|
$brackets = '';
|
|
|
|
$type = '';
|
|
|
|
$expects_callable_return = false;
|
|
|
|
$return_block = str_replace("\t", ' ', $return_block);
|
|
|
|
$quote_char = null;
|
|
$escaped = false;
|
|
|
|
for ($i = 0, $l = strlen($return_block); $i < $l; ++$i) {
|
|
$char = $return_block[$i];
|
|
$next_char = $i < $l - 1 ? $return_block[$i + 1] : null;
|
|
$last_char = $i > 0 ? $return_block[$i - 1] : null;
|
|
|
|
if ($quote_char) {
|
|
if ($char === $quote_char && $i > 1 && !$escaped) {
|
|
$quote_char = null;
|
|
|
|
$type .= $char;
|
|
|
|
continue;
|
|
}
|
|
|
|
if ($char === '\\' && !$escaped && ($next_char === $quote_char || $next_char === '\\')) {
|
|
$escaped = true;
|
|
|
|
$type .= $char;
|
|
|
|
continue;
|
|
}
|
|
|
|
$escaped = false;
|
|
|
|
$type .= $char;
|
|
|
|
continue;
|
|
}
|
|
|
|
if ($char === '"' || $char === '\'') {
|
|
$quote_char = $char;
|
|
|
|
$type .= $char;
|
|
|
|
continue;
|
|
}
|
|
|
|
if ($char === ':' && $last_char === ')') {
|
|
$expects_callable_return = true;
|
|
|
|
$type .= $char;
|
|
|
|
continue;
|
|
}
|
|
|
|
if ($char === '[' || $char === '{' || $char === '(' || $char === '<') {
|
|
$brackets .= $char;
|
|
} elseif ($char === ']' || $char === '}' || $char === ')' || $char === '>') {
|
|
$last_bracket = substr($brackets, -1);
|
|
$brackets = substr($brackets, 0, -1);
|
|
|
|
if (($char === ']' && $last_bracket !== '[')
|
|
|| ($char === '}' && $last_bracket !== '{')
|
|
|| ($char === ')' && $last_bracket !== '(')
|
|
|| ($char === '>' && $last_bracket !== '<')
|
|
) {
|
|
throw new DocblockParseException('Invalid string ' . $return_block);
|
|
}
|
|
} elseif ($char === ' ') {
|
|
if ($brackets) {
|
|
$expects_callable_return = false;
|
|
$type .= ' ';
|
|
continue;
|
|
}
|
|
|
|
if ($next_char === '|' || $next_char === '&') {
|
|
$nexter_char = $i < $l - 2 ? $return_block[$i + 2] : null;
|
|
|
|
if ($nexter_char === ' ') {
|
|
++$i;
|
|
$type .= $next_char . ' ';
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ($last_char === '|' || $last_char === '&') {
|
|
$type .= ' ';
|
|
continue;
|
|
}
|
|
|
|
if ($next_char === ':') {
|
|
++$i;
|
|
$type .= ' :';
|
|
$expects_callable_return = true;
|
|
continue;
|
|
}
|
|
|
|
if ($expects_callable_return) {
|
|
$type .= ' ';
|
|
$expects_callable_return = false;
|
|
continue;
|
|
}
|
|
|
|
$remaining = trim(preg_replace('@^[ \t]*\* *@m', ' ', substr($return_block, $i + 1)));
|
|
|
|
if ($remaining) {
|
|
/** @var array<string> */
|
|
return array_merge([rtrim($type)], preg_split('/[ \s]+/', $remaining));
|
|
}
|
|
|
|
return [$type];
|
|
}
|
|
|
|
$expects_callable_return = false;
|
|
|
|
$type .= $char;
|
|
}
|
|
|
|
return [$type];
|
|
}
|
|
}
|