func lexCommod(l *lex.Lexer) lex.StateFn {
l.AcceptRun(indent)
l.Ignore()
if l.AcceptRunNot(whitespace+meta+at) > 0 {
l.Emit(tokCommod)
}
return nil
}
func lexDate(l *lex.Lexer) lex.StateFn {
fail := false
if l.AcceptRun(digit) == 0 {
fail = true
} else if !l.Accept("/") {
fail = true
} else if l.AcceptRun(digit) == 0 {
fail = true
} else if !l.Accept("/") {
fail = true
} else if l.AcceptRun(digit) == 0 {
fail = true
}
if fail {
l.AcceptRunNot(whitespace + meta)
l.Errorf("invalid date on line %v", l.LineNumber())
l.Ignore()
} else {
l.Emit(tokDate)
}
return nil
}
func lexText(l *lex.Lexer) lex.StateFn {
l.AcceptRunNot(lineend + meta)
l.Emit(tokText)
return lexNewline
}
func lexSkipLine(l *lex.Lexer) lex.StateFn {
l.AcceptRunNot(lineend)
l.AcceptRun(lineend)
l.Ignore()
return nil
}
func lexPayee(l *lex.Lexer) lex.StateFn {
if l.AcceptRunNot(lineend+meta) > 0 {
l.Emit(tokPayee)
}
return nil
}