private function parseFunctionType()

in src/Parser.php [1689:1731]
35 lines of code
9 McCabe index (conditional complexity)

    private function parseFunctionType(Node $functionDeclaration, $canBeAbstract = false, $isAnonymous = false) {

        $functionDeclaration->functionKeyword = $this->eat1(TokenKind::FunctionKeyword);
        $functionDeclaration->byRefToken = $this->eatOptional1(TokenKind::AmpersandToken);
        $functionDeclaration->name = $isAnonymous
            ? $this->eatOptional($this->nameOrKeywordOrReservedWordTokens)
            : $this->eat($this->nameOrKeywordOrReservedWordTokens);

        if (isset($functionDeclaration->name)) {
            $functionDeclaration->name->kind = TokenKind::Name;
        }

        if ($isAnonymous && isset($functionDeclaration->name)) {
            // Anonymous functions should not have names
            $functionDeclaration->name = new SkippedToken($functionDeclaration->name); // TODO instead handle this during post-walk
        }

        $functionDeclaration->openParen = $this->eat1(TokenKind::OpenParenToken);
        $functionDeclaration->parameters = $this->parseDelimitedList(
            DelimitedList\ParameterDeclarationList::class,
            TokenKind::CommaToken,
            $this->isParameterStartFn(),
            $this->parseParameterFn(),
            $functionDeclaration);
        $functionDeclaration->closeParen = $this->eat1(TokenKind::CloseParenToken);
        if ($isAnonymous) {
            $functionDeclaration->anonymousFunctionUseClause = $this->parseAnonymousFunctionUseClause($functionDeclaration);
        }

        if ($this->checkToken(TokenKind::ColonToken)) {
            $functionDeclaration->colonToken = $this->eat1(TokenKind::ColonToken);
            $functionDeclaration->questionToken = $this->eatOptional1(TokenKind::QuestionToken);
            $this->parseAndSetReturnTypeDeclarationList($functionDeclaration);
        }

        if ($canBeAbstract) {
            $functionDeclaration->compoundStatementOrSemicolon = $this->eatOptional1(TokenKind::SemicolonToken);
        }

        if (!isset($functionDeclaration->compoundStatementOrSemicolon)) {
            $functionDeclaration->compoundStatementOrSemicolon = $this->parseCompoundStatement($functionDeclaration);
        }
    }