function UnusedParameterSniff::process

* @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint *

Parameters

int $functionPointer:

Overrides Sniff::process

File

vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/Functions/UnusedParameterSniff.php, line 38

Class

UnusedParameterSniff

Namespace

SlevomatCodingStandard\Sniffs\Functions

Code

public function process(File $phpcsFile, $functionPointer) : void {
    if (FunctionHelper::isAbstract($phpcsFile, $functionPointer)) {
        return;
    }
    $isSuppressed = SuppressHelper::isSniffSuppressed($phpcsFile, $functionPointer, $this->getSniffName(self::CODE_UNUSED_PARAMETER));
    $suppressUseless = true;
    $tokens = $phpcsFile->getTokens();
    $currentPointer = $tokens[$functionPointer]['parenthesis_opener'] + 1;
    while (true) {
        $parameterPointer = TokenHelper::findNext($phpcsFile, T_VARIABLE, $currentPointer, $tokens[$functionPointer]['parenthesis_closer']);
        if ($parameterPointer === null) {
            break;
        }
        $previousPointer = TokenHelper::findPrevious($phpcsFile, array_merge([
            T_COMMA,
        ], Tokens::$scopeModifiers), $parameterPointer - 1, $tokens[$functionPointer]['parenthesis_opener']);
        if ($previousPointer !== null && in_array($tokens[$previousPointer]['code'], Tokens::$scopeModifiers, true)) {
            $currentPointer = $parameterPointer + 1;
            continue;
        }
        if (VariableHelper::isUsedInScope($phpcsFile, $functionPointer, $parameterPointer)) {
            $currentPointer = $parameterPointer + 1;
            continue;
        }
        if (!$isSuppressed) {
            $phpcsFile->addError(sprintf('Unused parameter %s.', $tokens[$parameterPointer]['content']), $parameterPointer, self::CODE_UNUSED_PARAMETER);
        }
        else {
            $suppressUseless = false;
        }
        $currentPointer = $parameterPointer + 1;
    }
    if (!$isSuppressed || !$suppressUseless) {
        return;
    }
    $phpcsFile->addError(sprintf('Useless %s %s', SuppressHelper::ANNOTATION, self::NAME), $functionPointer, self::CODE_USELESS_SUPPRESS);
}