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Author SHA1 Message Date
Alejandro Mery 43b2cff5b7 lexer: introduce Position.Next()/Position.NextLine() factories 1 year ago
  1. 26
      lexer/position.go

26
lexer/position.go

@ -84,3 +84,29 @@ func (p *Position) Add(rel Position) {
p.Column += rel.Column - 1
}
}
// Next returns a new Position one rune forward
// on the line
func (p Position) Next() Position {
if p.Line == 0 {
p.Reset()
}
return Position{
Line: p.Line,
Column: p.Column + 1,
}
}
// NextLine returns a new Position at the beginning of the next
// line.
func (p Position) NextLine() Position {
if p.Line == 0 {
p.Reset()
}
return Position{
Line: p.Line + 1,
Column: 1,
}
}

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