package parser

import (
	"git.makaay.nl/mauricem/go-parsekit"
)

// A '#' hash symbol marks the rest of the line as a comment.
func startComment(p *parsekit.P) {
	p.Expects("start of comment")
	p.On(c.OneOrMore(a.Hash)).Skip().RouteTo(commentContents)
}

// All characters up to the end of the line are included in the comment.
func commentContents(p *parsekit.P) {
	p.Expects("comment contents")
	switch {
	case p.On(a.EndOfLine).Skip().RouteReturn().End():
		p.EmitLiteralTrim(ItemComment)
	case p.On(a.AnyRune).Accept().RouteRepeat().End():
	}
}