func (p *addrParser) skipCFWS() bool {
	p.skipSpace()

	for {
		if !p.consume('(') {
			break
		}

		if _, ok := p.consumeComment(); !ok {
			return false
		}

		p.skipSpace()
	}

	return true
}

func (p *addrParser) consumeComment() (string, bool) {
	// '(' already consumed.
	depth := 1

	var comment string
	for {
		if p.empty() || depth == 0 {
			break

		default:
			p.printTrace(s)
		}
	}

	p.pos, p.tok, p.lit = p.scanner.Scan()
}

// Consume a comment and return it and the line on which it ends.
func (p *parser) consumeComment() (comment *ast.Comment, endline int) {
	// /*-style comments may end on a different line than where they start.
	// Scan the comment for '\n' chars and adjust endline accordingly.
	endline = p.file.Line(p.pos)

			}
		} else {
			// Found a non-comment; top of file is over.
			p.top = false
		}
		break
	}
}

// Consume a comment and return it and the line on which it ends.
func (p *parser) consumeComment() (comment *ast.Comment, endline int) {
	// /*-style comments may end on a different line than where they start.
	// Scan the comment for '\n' chars and adjust endline accordingly.
	endline = p.file.Line(p.pos)