openhours.nex

/24\/7/			           { return ALWAYS }
/Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec/ {
																									 lval.num,_ = months[yylex.Text()]
																									 return MONTH
																									}
/Su|Mo|Tu|We|Th|Fr|Sa/ {
												lval.num,_ = weekdays[yylex.Text()]
												return WEEKDAY
											 }
/ |\t/                 { return SEP }
/./                    {
											  return int(yylex.Text()[0])
											 }
//

package openhours

import (
			 "fmt"
)

var months = map[string]int{"Jan": 0, "Feb": 1, "Mar": 2, "Apr": 3, "May": 4, "Jun": 5, "Jul": 6, "Aug": 7, "Sep": 8, "Oct": 9, "Nov": 10, "Dec": 11}
var weekdays = map[string]int{"Su": 0, "Mo": 1, "Tu": 2, "We": 3, "Th": 4, "Fr": 5, "Sa": 6}

func (yylex *Lexer) Error(e string) {
	switch yylex.parseResult.(type) {
	case []error: //nothing to do
	default:
		 yylex.parseResult = make([]error, 0)
	}
	yylex.parseResult = append(yylex.parseResult.([]error), fmt.Errorf("%d:%d %v", yylex.Line(), yylex.Column(), e))
}