Method visit

parser/unparser.go:87–113

(expr ast.Expr)

}

func (un *unparser) visit(expr ast.Expr) error {
	if expr == nil {
		return errors.New("unsupported expression")
	}
	visited, err := un.visitMaybeMacroCall(expr)
	if visited || err != nil {
		return err
	}
	switch expr.Kind() {
	case ast.CallKind:
		return un.visitCall(expr)
	case ast.LiteralKind:
		return un.visitConst(expr)
	case ast.IdentKind:
		return un.visitIdent(expr)
	case ast.ListKind:
		return un.visitList(expr)
	case ast.MapKind:
		return un.visitStructMap(expr)
	case ast.SelectKind:
		return un.visitSelect(expr)
	case ast.StructKind:
		return un.visitStructMsg(expr)
	default:
		return fmt.Errorf("unsupported expression: %v", expr)
	}
}

func (un *unparser) visitCall(expr ast.Expr) error {
	c := expr.AsCall()