89 lines
2.5 KiB
PHP
89 lines
2.5 KiB
PHP
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<?php
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/**
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* PHPCompatibility, an external standard for PHP_CodeSniffer.
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*
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* @package PHPCompatibility
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* @copyright 2012-2019 PHPCompatibility Contributors
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* @license https://opensource.org/licenses/LGPL-3.0 LGPL3
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* @link https://github.com/PHPCompatibility/PHPCompatibility
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*/
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namespace PHPCompatibility\Sniffs\Classes;
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use PHPCompatibility\Sniff;
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use PHP_CodeSniffer_File as File;
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use PHP_CodeSniffer_Tokens as Tokens;
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/**
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* Detect use of late static binding as introduced in PHP 5.3.
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*
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* Checks for:
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* - Late static binding as introduced in PHP 5.3.
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* - Late static binding being used outside of class scope (unsupported).
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*
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* PHP version 5.3
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*
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* @link https://www.php.net/manual/en/language.oop5.late-static-bindings.php
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* @link https://wiki.php.net/rfc/lsb_parentself_forwarding
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*
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* @since 7.0.3
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* @since 9.0.0 Renamed from `LateStaticBindingSniff` to `NewLateStaticBindingSniff`.
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*/
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class NewLateStaticBindingSniff extends Sniff
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{
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @since 7.0.3
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*
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* @return array
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*/
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public function register()
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{
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return array(\T_STATIC);
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}
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @since 7.0.3
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*
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* @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token in the
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* stack passed in $tokens.
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*
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* @return void
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*/
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public function process(File $phpcsFile, $stackPtr)
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{
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$nextNonEmpty = $phpcsFile->findNext(Tokens::$emptyTokens, $stackPtr + 1, null, true, null, true);
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if ($nextNonEmpty === false) {
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return;
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}
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$tokens = $phpcsFile->getTokens();
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if ($tokens[$nextNonEmpty]['code'] !== \T_DOUBLE_COLON) {
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return;
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}
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$inClass = $this->inClassScope($phpcsFile, $stackPtr, false);
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if ($inClass === true && $this->supportsBelow('5.2') === true) {
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$phpcsFile->addError(
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'Late static binding is not supported in PHP 5.2 or earlier.',
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$stackPtr,
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'Found'
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);
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}
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if ($inClass === false) {
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$phpcsFile->addError(
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'Late static binding is not supported outside of class scope.',
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$stackPtr,
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'OutsideClassScope'
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);
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}
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}
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}
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