hansott / graphql-language

        return new Argument($nameToken->value, $value, $nameToken->location);

    }

    private function parseArgumentList()

    {

        $arguments = array();

        if ($this->is(Token::T_PAREN_LEFT) === false) {

            return $arguments;

        }

        $this->expect(Token::T_PAREN_LEFT);

        while (true) {

            if ($this->scanner->eof()) {

                throw $this->getParseError('Unclosed brace of argument list');

            }

            if ($this->accept(Token::T_PAREN_RIGHT)) {

                break;

            }

            $arguments[] = $this->parseArgument();

            $this->accept(Token::T_COMMA);

        }

        return $arguments;

    }

    private function parseField()

    {

        return new VariableDefinition($variable, $type, $defaultValue, $variable->location);

    }

    private function parseVariableDefinitionList()

    {

        $definitions = array();

        if ($this->is(Token::T_PAREN_LEFT) === false) {

            return $definitions;

        }

        $this->expect(Token::T_PAREN_LEFT);

        while (true) {

            if ($this->scanner->eof()) {

                throw $this->getParseError('Unclosed parenthesis of variable definition list');

            }

            if ($this->accept(Token::T_PAREN_RIGHT)) {

                break;

            }

            $definitions[] = $this->parseVariableDefinition();

            $this->accept(Token::T_COMMA);

        }

        return $definitions;

    }

    private function parseDefinition()

    {