package parser

import (
	"github.com/mmakaay/toml/parsekit"
)

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

// All characters up to the end of the line are included in the comment.
func commentContents(p *parsekit.P) {
	switch {
	case p.AtEndOfLine():
		p.EmitLiteralTrim(ItemComment)
		p.RouteReturn()
	case p.On(any).Accept():
		p.Repeat()
	default:
		p.UnexpectedInput("comment contents")
	}
}