fix: Parsing the AS with the built-in parsing function (#171)

Fixes the issue introduced in
bf66782,
where the ParseASSep function was removed, but the function calls to the
function were still present. This new commit uses the formatting
functions already present.

pkg/addr/fmt.go

@@ -65,7 +65,7 @@ func ParseFormattedAS(as string, opts ...FormatOption) (AS, error) {
 		}
 		as = trimmed
 	}
-	return ParseASSep(as, o.separator)
+	return parseAS(as, o.separator)
 }
 
 // FormatIA formats the ISD-AS.

private/path/fabridquery/parser.go

@@ -176,7 +176,7 @@ func (l *pathpolicyConstraintsListener) ExitWildcardAS(c *pathpolicyconstraints.
 
 // ExitLegacyAS is called when exiting the LegacyAS production.
 func (l *pathpolicyConstraintsListener) ExitLegacyAS(c *pathpolicyconstraints.LegacyASContext) {
-	as, err := addr.ParseASSep(c.GetText()[1:], "_")
+	as, err := addr.ParseFormattedAS(c.GetText()[1:], addr.WithSeparator("_"))
 	if err != nil {
 		c.SetException(antlr.NewFailedPredicateException(c.GetParser(), c.GetText(), err.Error()))
 	}
@@ -186,7 +186,7 @@ func (l *pathpolicyConstraintsListener) ExitLegacyAS(c *pathpolicyconstraints.Le
 
 // ExitAS is called when exiting the AS production.
 func (l *pathpolicyConstraintsListener) ExitAS(c *pathpolicyconstraints.ASContext) {
-	as, err := addr.ParseASSep(c.GetText()[1:], "_")
+	as, err := addr.ParseFormattedAS(c.GetText()[1:], addr.WithSeparator("_"))
 	if err != nil {
 		c.SetException(antlr.NewFailedPredicateException(c.GetParser(), c.GetText(), err.Error()))
 	}