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CommentAnalyzer.php
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CommentAnalyzer.php
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<?php
namespace Psalm\Internal\Analyzer;
use PhpParser;
use Psalm\Aliases;
use Psalm\DocComment;
use Psalm\Exception\DocblockParseException;
use Psalm\Exception\IncorrectDocblockException;
use Psalm\Exception\TypeParseTreeException;
use Psalm\FileSource;
use Psalm\Internal\Scanner\ClassLikeDocblockComment;
use Psalm\Internal\Scanner\FunctionDocblockComment;
use Psalm\Internal\Scanner\VarDocblockComment;
use Psalm\Internal\Type\ParseTree;
use Psalm\Internal\Type\TypeAlias;
use Psalm\Internal\Type\TypeParser;
use Psalm\Internal\Type\TypeTokenizer;
use Psalm\Type;
use function trim;
use function substr_count;
use function strlen;
use function preg_replace;
use function str_replace;
use function preg_match;
use function count;
use function reset;
use function preg_split;
use const PREG_SPLIT_DELIM_CAPTURE;
use const PREG_SPLIT_NO_EMPTY;
use function array_shift;
use function implode;
use function substr;
use function strpos;
use function strtolower;
use function in_array;
use function explode;
use function array_merge;
use const PREG_OFFSET_CAPTURE;
use function rtrim;
/**
* @internal
*/
class CommentAnalyzer
{
const TYPE_REGEX = '(\??\\\?[\(\)A-Za-z0-9_&\<\.=,\>\[\]\-\{\}:|?\\\\]*|\$[a-zA-Z_0-9_]+)';
/**
* @param array<string, array<string, array{Type\Union}>>|null $template_type_map
* @param array<string, TypeAlias> $type_aliases
*
* @throws DocblockParseException if there was a problem parsing the docblock
*
* @return VarDocblockComment[]
*/
public static function getTypeFromComment(
PhpParser\Comment\Doc $comment,
FileSource $source,
Aliases $aliases,
array $template_type_map = null,
?array $type_aliases = null
) {
$parsed_docblock = DocComment::parsePreservingLength($comment);
return self::arrayToDocblocks(
$comment,
$parsed_docblock,
$source,
$aliases,
$template_type_map,
$type_aliases
);
}
/**
* @param array<string, array<string, array{Type\Union}>>|null $template_type_map
* @param array<string, TypeAlias> $type_aliases
* @param array{description:string, specials:array<string, array<int, string>>} $parsed_docblock
*
* @return VarDocblockComment[]
*
* @throws DocblockParseException if there was a problem parsing the docblock
*/
public static function arrayToDocblocks(
PhpParser\Comment\Doc $comment,
array $parsed_docblock,
FileSource $source,
Aliases $aliases,
array $template_type_map = null,
?array $type_aliases = null
) : array {
$var_id = null;
$var_type_tokens = null;
$original_type = null;
$var_comments = [];
$comment_text = $comment->getText();
$var_line_number = $comment->getLine();
if ($parsed_docblock) {
$all_vars = ($parsed_docblock['specials']['var'] ?? [])
+ ($parsed_docblock['specials']['phpstan-var'] ?? [])
+ ($parsed_docblock['specials']['psalm-var'] ?? []);
foreach ($all_vars as $offset => $var_line) {
$var_line = trim($var_line);
if (!$var_line) {
continue;
}
$type_start = null;
$type_end = null;
$line_parts = self::splitDocLine($var_line);
$line_number = $comment->getLine() + substr_count($comment_text, "\n", 0, $offset);
if ($line_parts && $line_parts[0]) {
$type_start = $offset + $comment->getFilePos();
$type_end = $type_start + strlen($line_parts[0]);
$line_parts[0] = self::sanitizeDocblockType($line_parts[0]);
if ($line_parts[0] === ''
|| ($line_parts[0][0] === '$'
&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
) {
throw new IncorrectDocblockException('Misplaced variable');
}
try {
$var_type_tokens = TypeTokenizer::getFullyQualifiedTokens(
$line_parts[0],
$aliases,
$template_type_map,
$type_aliases
);
} catch (TypeParseTreeException $e) {
throw new DocblockParseException($line_parts[0] . ' is not a valid type');
}
$original_type = $line_parts[0];
$var_line_number = $line_number;
if (count($line_parts) > 1 && $line_parts[1][0] === '$') {
$var_id = $line_parts[1];
}
}
if (!$var_type_tokens || !$original_type) {
continue;
}
try {
$defined_type = TypeParser::parseTokens($var_type_tokens, null, $template_type_map ?: []);
} catch (TypeParseTreeException $e) {
throw new DocblockParseException(
$line_parts[0] .
' is not a valid type' .
' (from ' .
$source->getFilePath() .
':' .
$comment->getLine() .
')'
);
}
$defined_type->setFromDocblock();
$var_comment = new VarDocblockComment();
$var_comment->type = $defined_type;
$var_comment->original_type = $original_type;
$var_comment->var_id = $var_id;
$var_comment->line_number = $var_line_number;
$var_comment->type_start = $type_start;
$var_comment->type_end = $type_end;
$var_comment->deprecated = isset($parsed_docblock['specials']['deprecated']);
$var_comment->internal = isset($parsed_docblock['specials']['internal']);
$var_comment->readonly = isset($parsed_docblock['specials']['readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
$var_comment->allow_private_mutation
= isset($parsed_docblock['specials']['psalm-allow-private-mutation'])
|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
$var_comment->remove_taint = isset($parsed_docblock['specials']['psalm-remove-taint']);
if (isset($parsed_docblock['specials']['psalm-internal'])) {
$psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
if ($psalm_internal) {
$var_comment->psalm_internal = $psalm_internal;
} else {
throw new DocblockParseException('psalm-internal annotation used without specifying namespace');
}
$var_comment->psalm_internal = reset($parsed_docblock['specials']['psalm-internal']);
if (!$var_comment->internal) {
throw new DocblockParseException('@psalm-internal annotation used without @internal');
}
}
$var_comments[] = $var_comment;
}
}
if (!$var_comments
&& (isset($parsed_docblock['specials']['deprecated'])
|| isset($parsed_docblock['specials']['internal'])
|| isset($parsed_docblock['specials']['readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation'])
|| isset($parsed_docblock['specials']['psalm-remove-taint']))
) {
$var_comment = new VarDocblockComment();
$var_comment->deprecated = isset($parsed_docblock['specials']['deprecated']);
$var_comment->internal = isset($parsed_docblock['specials']['internal']);
$var_comment->readonly = isset($parsed_docblock['specials']['readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly'])
|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
$var_comment->allow_private_mutation
= isset($parsed_docblock['specials']['psalm-allow-private-mutation'])
|| isset($parsed_docblock['specials']['psalm-readonly-allow-private-mutation']);
$var_comment->remove_taint = isset($parsed_docblock['specials']['psalm-remove-taint']);
$var_comments[] = $var_comment;
}
return $var_comments;
}
private static function sanitizeDocblockType(string $docblock_type) : string
{
$docblock_type = preg_replace('@^[ \t]*\*@m', '', $docblock_type);
$docblock_type = preg_replace('/,\n\s+\}/', '}', $docblock_type);
return str_replace("\n", '', $docblock_type);
}
/**
* @param Aliases $aliases
* @param array<string, TypeAlias> $type_aliases
*
* @throws DocblockParseException if there was a problem parsing the docblock
*
* @return array<string, TypeAlias>
*/
public static function getTypeAliasesFromComment(
PhpParser\Comment\Doc $comment,
Aliases $aliases,
array $type_aliases = null
) {
$parsed_docblock = DocComment::parsePreservingLength($comment);
if (!isset($parsed_docblock['specials']['psalm-type'])) {
return [];
}
return self::getTypeAliasesFromCommentLines(
$parsed_docblock['specials']['psalm-type'],
$aliases,
$type_aliases
);
}
/**
* @param array<string> $type_alias_comment_lines
* @param Aliases $aliases
* @param array<string, TypeAlias> $type_aliases
*
* @throws DocblockParseException if there was a problem parsing the docblock
*
* @return array<string, TypeAlias>
*/
private static function getTypeAliasesFromCommentLines(
array $type_alias_comment_lines,
Aliases $aliases,
array $type_aliases = null
) {
$type_alias_tokens = [];
foreach ($type_alias_comment_lines as $var_line) {
$var_line = trim($var_line);
if (!$var_line) {
continue;
}
$var_line = preg_replace('/[ \t]+/', ' ', preg_replace('@^[ \t]*\*@m', '', $var_line));
$var_line = preg_replace('/,\n\s+\}/', '}', $var_line);
$var_line = str_replace("\n", '', $var_line);
$var_line_parts = preg_split('/( |=)/', $var_line, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
if (!$var_line_parts) {
continue;
}
$type_alias = array_shift($var_line_parts);
if (!isset($var_line_parts[0])) {
continue;
}
if ($var_line_parts[0] === ' ') {
array_shift($var_line_parts);
}
if ($var_line_parts[0] === '=') {
array_shift($var_line_parts);
}
if (!isset($var_line_parts[0])) {
continue;
}
if ($var_line_parts[0] === ' ') {
array_shift($var_line_parts);
}
$type_string = str_replace("\n", '', implode('', $var_line_parts));
$type_string = preg_replace('/>[^>^\}]*$/', '>', $type_string);
$type_string = preg_replace('/\}[^>^\}]*$/', '}', $type_string);
try {
$type_tokens = TypeTokenizer::getFullyQualifiedTokens(
$type_string,
$aliases,
null,
$type_alias_tokens + $type_aliases
);
} catch (TypeParseTreeException $e) {
throw new DocblockParseException($type_string . ' is not a valid type');
}
$type_alias_tokens[$type_alias] = new TypeAlias($type_tokens);
}
return $type_alias_tokens;
}
/**
* @param int $line_number
*
* @throws DocblockParseException if there was a problem parsing the docblock
*
* @return FunctionDocblockComment
*/
public static function extractFunctionDocblockInfo(PhpParser\Comment\Doc $comment)
{
$parsed_docblock = DocComment::parsePreservingLength($comment);
$comment_text = $comment->getText();
$info = new FunctionDocblockComment();
if (isset($parsed_docblock['specials']['return'])
|| isset($parsed_docblock['specials']['psalm-return'])
|| isset($parsed_docblock['specials']['phpstan-return'])
) {
if (isset($parsed_docblock['specials']['psalm-return'])) {
$return_specials = $parsed_docblock['specials']['psalm-return'];
} elseif (isset($parsed_docblock['specials']['phpstan-return'])) {
$return_specials = $parsed_docblock['specials']['phpstan-return'];
} else {
$return_specials = $parsed_docblock['specials']['return'];
}
self::extractReturnType(
$comment,
$return_specials,
$info
);
}
if (isset($parsed_docblock['specials']['param'])
|| isset($parsed_docblock['specials']['psalm-param'])
|| isset($parsed_docblock['specials']['phpstan-param'])
) {
$all_params =
(isset($parsed_docblock['specials']['param'])
? $parsed_docblock['specials']['param']
: [])
+ (isset($parsed_docblock['specials']['phpstan-param'])
? $parsed_docblock['specials']['phpstan-param']
: [])
+ (isset($parsed_docblock['specials']['psalm-param'])
? $parsed_docblock['specials']['psalm-param']
: []);
foreach ($all_params as $offset => $param) {
$line_parts = self::splitDocLine($param);
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]);
$line_parts[0] = self::sanitizeDocblockType($line_parts[0]);
if ($line_parts[0] === ''
|| ($line_parts[0][0] === '$'
&& !preg_match('/^\$this(\||$)/', $line_parts[0]))
) {
throw new IncorrectDocblockException('Misplaced variable');
}
$info->params[] = [
'name' => trim($line_parts[1]),
'type' => $line_parts[0],
'line_number' => $comment->getLine() + substr_count($comment_text, "\n", 0, $offset),
'start' => $start,
'end' => $end,
];
}
} else {
throw new DocblockParseException('Badly-formatted @param');
}
}
}
if (isset($parsed_docblock['specials']['param-out'])) {
foreach ($parsed_docblock['specials']['param-out'] as $offset => $param) {
$line_parts = self::splitDocLine($param);
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);
}
$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');
}
$line_parts[1] = preg_replace('/,$/', '', $line_parts[1]);
$info->params_out[] = [
'name' => trim($line_parts[1]),
'type' => str_replace("\n", '', $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']['psalm-taint-sink'])) {
foreach ($parsed_docblock['specials']['psalm-taint-sink'] as $param) {
$param = trim($param);
$info->taint_sink_params[] = ['name' => $param];
}
}
if (isset($parsed_docblock['specials']['psalm-assert-untainted'])) {
foreach ($parsed_docblock['specials']['psalm-assert-untainted'] as $param) {
$param = trim($param);
$info->assert_untainted_params[] = ['name' => $param];
}
}
if (isset($parsed_docblock['specials']['global'])) {
foreach ($parsed_docblock['specials']['global'] as $offset => $global) {
$line_parts = self::splitDocLine($global);
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', '', $template_typeof));
if ($typeof_parts === false || 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');
}
$line_parts[0] = self::sanitizeDocblockType($line_parts[0]);
$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]);
$line_parts[0] = self::sanitizeDocblockType($line_parts[0]);
$info->return_type = array_shift($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);
$codebase = ProjectAnalyzer::getInstance()->getCodebase();
$info = new ClassLikeDocblockComment();
if (isset($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']['psalm-yield'])
) {
$yield = reset($parsed_docblock['specials']['psalm-yield']);
$info->yield = trim(preg_replace('@^[ \t]*\*@m', '', $yield));
}
if (isset($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);