535 lines
14 KiB
PHP
535 lines
14 KiB
PHP
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<?php declare(strict_types = 1);
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namespace SlevomatCodingStandard\Helpers;
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use PHP_CodeSniffer\Files\File;
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use function array_key_exists;
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use function array_merge;
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use function count;
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use const T_ANON_CLASS;
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use const T_ARRAY;
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use const T_ARRAY_HINT;
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use const T_BREAK;
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use const T_CALLABLE;
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use const T_CLASS;
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use const T_CLOSURE;
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use const T_COMMENT;
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use const T_CONTINUE;
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use const T_DOC_COMMENT;
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use const T_DOC_COMMENT_CLOSE_TAG;
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use const T_DOC_COMMENT_OPEN_TAG;
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use const T_DOC_COMMENT_STAR;
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use const T_DOC_COMMENT_STRING;
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use const T_DOC_COMMENT_TAG;
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use const T_DOC_COMMENT_WHITESPACE;
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use const T_ENUM;
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use const T_EXIT;
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use const T_FALSE;
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use const T_FN;
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use const T_FUNCTION;
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use const T_INTERFACE;
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use const T_NAME_FULLY_QUALIFIED;
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use const T_NAME_QUALIFIED;
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use const T_NAME_RELATIVE;
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use const T_NS_SEPARATOR;
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use const T_NULL;
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use const T_OPEN_SHORT_ARRAY;
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use const T_PARENT;
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use const T_PHPCS_DISABLE;
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use const T_PHPCS_ENABLE;
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use const T_PHPCS_IGNORE;
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use const T_PHPCS_IGNORE_FILE;
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use const T_PHPCS_SET;
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use const T_PRIVATE;
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use const T_PROTECTED;
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use const T_PUBLIC;
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use const T_READONLY;
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use const T_RETURN;
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use const T_SELF;
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use const T_STATIC;
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use const T_STRING;
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use const T_THROW;
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use const T_TRAIT;
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use const T_TRUE;
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use const T_TYPE_INTERSECTION;
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use const T_TYPE_UNION;
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use const T_VAR;
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use const T_WHITESPACE;
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/**
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* @internal
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*/
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class TokenHelper
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{
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/** @var array<int, (int|string)> */
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public static $arrayTokenCodes = [
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T_ARRAY,
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T_OPEN_SHORT_ARRAY,
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];
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/** @var array<int, (int|string)> */
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public static $typeKeywordTokenCodes = [
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T_CLASS,
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T_TRAIT,
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T_INTERFACE,
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T_ENUM,
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];
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/** @var array<int, (int|string)> */
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public static $typeWithAnonymousClassKeywordTokenCodes = [
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T_CLASS,
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T_ANON_CLASS,
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T_TRAIT,
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T_INTERFACE,
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T_ENUM,
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];
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/** @var array<int, (int|string)> */
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public static $ineffectiveTokenCodes = [
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T_WHITESPACE,
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T_COMMENT,
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T_DOC_COMMENT,
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T_DOC_COMMENT_OPEN_TAG,
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T_DOC_COMMENT_CLOSE_TAG,
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T_DOC_COMMENT_STAR,
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T_DOC_COMMENT_STRING,
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T_DOC_COMMENT_TAG,
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T_DOC_COMMENT_WHITESPACE,
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T_PHPCS_DISABLE,
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T_PHPCS_ENABLE,
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T_PHPCS_IGNORE,
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T_PHPCS_IGNORE_FILE,
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T_PHPCS_SET,
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];
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/** @var array<int, (int|string)> */
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public static $annotationTokenCodes = [
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T_DOC_COMMENT_TAG,
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T_PHPCS_DISABLE,
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T_PHPCS_ENABLE,
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T_PHPCS_IGNORE,
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T_PHPCS_IGNORE_FILE,
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T_PHPCS_SET,
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];
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/** @var array<int, (int|string)> */
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public static $inlineCommentTokenCodes = [
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T_COMMENT,
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T_PHPCS_DISABLE,
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T_PHPCS_ENABLE,
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T_PHPCS_IGNORE,
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T_PHPCS_IGNORE_FILE,
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T_PHPCS_SET,
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];
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/** @var array<int, (int|string)> */
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public static $earlyExitTokenCodes = [
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T_RETURN,
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T_CONTINUE,
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T_BREAK,
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T_THROW,
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T_EXIT,
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];
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/** @var array<int, (int|string)> */
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public static $functionTokenCodes = [
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T_FUNCTION,
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T_CLOSURE,
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T_FN,
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];
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/** @var array<int, (int|string)> */
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public static $propertyModifiersTokenCodes = [
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T_VAR,
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T_PUBLIC,
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T_PROTECTED,
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T_PRIVATE,
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T_READONLY,
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T_STATIC,
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];
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/**
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* @param int|string|array<int|string, int|string> $types
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*/
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public static function findNext(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findNext($types, $startPointer, $endPointer, false);
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return $token === false ? null : $token;
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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* @return list<int>
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*/
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public static function findNextAll(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): array
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{
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$pointers = [];
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$actualStartPointer = $startPointer;
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while (true) {
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$pointer = self::findNext($phpcsFile, $types, $actualStartPointer, $endPointer);
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if ($pointer === null) {
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break;
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}
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$pointers[] = $pointer;
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$actualStartPointer = $pointer + 1;
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}
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return $pointers;
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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*/
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public static function findNextContent(File $phpcsFile, $types, string $content, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findNext($types, $startPointer, $endPointer, false, $content);
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return $token === false ? null : $token;
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}
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/**
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findNextEffective(File $phpcsFile, int $startPointer, ?int $endPointer = null): ?int
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{
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return self::findNextExcluding($phpcsFile, self::$ineffectiveTokenCodes, $startPointer, $endPointer);
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}
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/**
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findNextNonWhitespace(File $phpcsFile, int $startPointer, ?int $endPointer = null): ?int
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{
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return self::findNextExcluding($phpcsFile, T_WHITESPACE, $startPointer, $endPointer);
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findNextExcluding(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findNext($types, $startPointer, $endPointer, true);
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return $token === false ? null : $token;
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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*/
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public static function findNextLocal(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findNext($types, $startPointer, $endPointer, false, null, true);
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return $token === false ? null : $token;
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}
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/**
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findNextAnyToken(File $phpcsFile, int $startPointer, ?int $endPointer = null): ?int
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{
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return self::findNextExcluding($phpcsFile, [], $startPointer, $endPointer);
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findPrevious(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findPrevious($types, $startPointer, $endPointer, false);
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return $token === false ? null : $token;
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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*/
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public static function findPreviousContent(File $phpcsFile, $types, string $content, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findPrevious($types, $startPointer, $endPointer, false, $content);
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return $token === false ? null : $token;
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}
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/**
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findPreviousEffective(File $phpcsFile, int $startPointer, ?int $endPointer = null): ?int
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{
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return self::findPreviousExcluding($phpcsFile, self::$ineffectiveTokenCodes, $startPointer, $endPointer);
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}
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/**
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findPreviousNonWhitespace(File $phpcsFile, int $startPointer, ?int $endPointer = null): ?int
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{
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return self::findPreviousExcluding($phpcsFile, T_WHITESPACE, $startPointer, $endPointer);
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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* @param int $startPointer Search starts at this token, inclusive
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* @param int|null $endPointer Search ends at this token, exclusive
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*/
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public static function findPreviousExcluding(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findPrevious($types, $startPointer, $endPointer, true);
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return $token === false ? null : $token;
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}
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/**
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* @param int|string|array<int|string, int|string> $types
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*/
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public static function findPreviousLocal(File $phpcsFile, $types, int $startPointer, ?int $endPointer = null): ?int
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{
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/** @var int|false $token */
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$token = $phpcsFile->findPrevious($types, $startPointer, $endPointer, false, null, true);
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return $token === false ? null : $token;
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}
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/**
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* @param int $pointer Search starts at this token, inclusive
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*/
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public static function findFirstTokenOnLine(File $phpcsFile, int $pointer): int
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{
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if ($pointer === 0) {
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return $pointer;
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}
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$tokens = $phpcsFile->getTokens();
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$line = $tokens[$pointer]['line'];
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do {
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$pointer--;
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} while ($tokens[$pointer]['line'] === $line);
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return $pointer + 1;
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}
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/**
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* @param int $pointer Search starts at this token, inclusive
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*/
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public static function findLastTokenOnLine(File $phpcsFile, int $pointer): int
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{
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$tokens = $phpcsFile->getTokens();
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$line = $tokens[$pointer]['line'];
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do {
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$pointer++;
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} while (array_key_exists($pointer, $tokens) && $tokens[$pointer]['line'] === $line);
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return $pointer - 1;
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}
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/**
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* @param int $pointer Search starts at this token, inclusive
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*/
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public static function findLastTokenOnPreviousLine(File $phpcsFile, int $pointer): int
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{
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$tokens = $phpcsFile->getTokens();
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$line = $tokens[$pointer]['line'];
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do {
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$pointer--;
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} while ($tokens[$pointer]['line'] === $line);
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return $pointer;
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}
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/**
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* @param int $pointer Search starts at this token, inclusive
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*/
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public static function findFirstTokenOnNextLine(File $phpcsFile, int $pointer): ?int
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{
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$tokens = $phpcsFile->getTokens();
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if ($pointer >= count($tokens)) {
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return null;
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}
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$line = $tokens[$pointer]['line'];
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do {
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$pointer++;
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if (!array_key_exists($pointer, $tokens)) {
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return null;
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}
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} while ($tokens[$pointer]['line'] === $line);
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return $pointer;
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}
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/**
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* @param int $pointer Search starts at this token, inclusive
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*/
|
||
|
|
public static function findFirstNonWhitespaceOnLine(File $phpcsFile, int $pointer): int
|
||
|
|
{
|
||
|
|
if ($pointer === 0) {
|
||
|
|
return $pointer;
|
||
|
|
}
|
||
|
|
|
||
|
|
$tokens = $phpcsFile->getTokens();
|
||
|
|
|
||
|
|
$line = $tokens[$pointer]['line'];
|
||
|
|
|
||
|
|
do {
|
||
|
|
$pointer--;
|
||
|
|
} while ($pointer >= 0 && $tokens[$pointer]['line'] === $line);
|
||
|
|
|
||
|
|
return self::findNextExcluding($phpcsFile, [T_WHITESPACE, T_DOC_COMMENT_WHITESPACE], $pointer + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param int $pointer Search starts at this token, inclusive
|
||
|
|
*/
|
||
|
|
public static function findFirstNonWhitespaceOnNextLine(File $phpcsFile, int $pointer): ?int
|
||
|
|
{
|
||
|
|
$newLinePointer = self::findNextContent($phpcsFile, [T_WHITESPACE, T_DOC_COMMENT_WHITESPACE], $phpcsFile->eolChar, $pointer);
|
||
|
|
if ($newLinePointer === null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$nextPointer = self::findNextExcluding($phpcsFile, [T_WHITESPACE, T_DOC_COMMENT_WHITESPACE], $newLinePointer + 1);
|
||
|
|
|
||
|
|
$tokens = $phpcsFile->getTokens();
|
||
|
|
if ($nextPointer !== null && $tokens[$pointer]['line'] === $tokens[$nextPointer]['line'] - 1) {
|
||
|
|
return $nextPointer;
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param int $pointer Search starts at this token, inclusive
|
||
|
|
*/
|
||
|
|
public static function findFirstNonWhitespaceOnPreviousLine(File $phpcsFile, int $pointer): ?int
|
||
|
|
{
|
||
|
|
$newLinePointerOnPreviousLine = self::findPreviousContent(
|
||
|
|
$phpcsFile,
|
||
|
|
[T_WHITESPACE, T_DOC_COMMENT_WHITESPACE],
|
||
|
|
$phpcsFile->eolChar,
|
||
|
|
$pointer
|
||
|
|
);
|
||
|
|
if ($newLinePointerOnPreviousLine === null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$newLinePointerBeforePreviousLine = self::findPreviousContent(
|
||
|
|
$phpcsFile,
|
||
|
|
[T_WHITESPACE, T_DOC_COMMENT_WHITESPACE],
|
||
|
|
$phpcsFile->eolChar,
|
||
|
|
$newLinePointerOnPreviousLine - 1
|
||
|
|
);
|
||
|
|
if ($newLinePointerBeforePreviousLine === null) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$nextPointer = self::findNextExcluding($phpcsFile, [T_WHITESPACE, T_DOC_COMMENT_WHITESPACE], $newLinePointerBeforePreviousLine + 1);
|
||
|
|
|
||
|
|
$tokens = $phpcsFile->getTokens();
|
||
|
|
if ($nextPointer !== null && $tokens[$pointer]['line'] === $tokens[$nextPointer]['line'] + 1) {
|
||
|
|
return $nextPointer;
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function getContent(File $phpcsFile, int $startPointer, ?int $endPointer = null): string
|
||
|
|
{
|
||
|
|
$tokens = $phpcsFile->getTokens();
|
||
|
|
$endPointer = $endPointer ?? self::getLastTokenPointer($phpcsFile);
|
||
|
|
|
||
|
|
$content = '';
|
||
|
|
for ($i = $startPointer; $i <= $endPointer; $i++) {
|
||
|
|
$content .= $tokens[$i]['content'];
|
||
|
|
}
|
||
|
|
|
||
|
|
return $content;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function getLastTokenPointer(File $phpcsFile): int
|
||
|
|
{
|
||
|
|
$tokenCount = count($phpcsFile->getTokens());
|
||
|
|
if ($tokenCount === 0) {
|
||
|
|
throw new EmptyFileException($phpcsFile->getFilename());
|
||
|
|
}
|
||
|
|
return $tokenCount - 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array<int, (int|string)>
|
||
|
|
*/
|
||
|
|
public static function getNameTokenCodes(): array
|
||
|
|
{
|
||
|
|
return [T_STRING, T_NS_SEPARATOR, T_NAME_FULLY_QUALIFIED, T_NAME_QUALIFIED, T_NAME_RELATIVE];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array<int, (int|string)>
|
||
|
|
*/
|
||
|
|
public static function getOnlyNameTokenCodes(): array
|
||
|
|
{
|
||
|
|
return [T_STRING, T_NAME_FULLY_QUALIFIED, T_NAME_QUALIFIED, T_NAME_RELATIVE];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array<int, (int|string)>
|
||
|
|
*/
|
||
|
|
public static function getOnlyTypeHintTokenCodes(): array
|
||
|
|
{
|
||
|
|
static $typeHintTokenCodes = null;
|
||
|
|
|
||
|
|
if ($typeHintTokenCodes === null) {
|
||
|
|
$typeHintTokenCodes = array_merge(
|
||
|
|
self::getNameTokenCodes(),
|
||
|
|
[
|
||
|
|
T_SELF,
|
||
|
|
T_PARENT,
|
||
|
|
T_ARRAY_HINT,
|
||
|
|
T_CALLABLE,
|
||
|
|
T_FALSE,
|
||
|
|
T_TRUE,
|
||
|
|
T_NULL,
|
||
|
|
]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $typeHintTokenCodes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array<int, (int|string)>
|
||
|
|
*/
|
||
|
|
public static function getTypeHintTokenCodes(): array
|
||
|
|
{
|
||
|
|
static $typeHintTokenCodes = null;
|
||
|
|
|
||
|
|
if ($typeHintTokenCodes === null) {
|
||
|
|
$typeHintTokenCodes = array_merge(
|
||
|
|
self::getOnlyTypeHintTokenCodes(),
|
||
|
|
[T_TYPE_UNION, T_TYPE_INTERSECTION]
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $typeHintTokenCodes;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|