Method matchTypeUnion

sup/parser-types.go:320–353

(first ast.Type)

}

func (p *Parser) matchTypeUnion(first ast.Type) (*ast.TypeUnion, error) {
	l := p.lexer
	var types []ast.Type
	if first != nil {
		types = append(types, first)
	}
	for {
		typ, err := p.matchTypeComponent()
		if err != nil {
			return nil, err
		}
		if typ == nil {
			break
		}
		types = append(types, typ)
		ok, err := l.match('|')
		if noEOF(err) != nil {
			return nil, err
		}
		if !ok {
			break
		}
	}
	if len(types) < 2 {
		if ok, _ := l.match(','); ok {
			return nil, errors.New("union components are separated by pipe symbol (|) not comma")
		}
		return nil, errors.New("union type must include two or more types")
	}
	return &ast.TypeUnion{
		Kind:  "TypeUnion",
		Types: types,
	}, nil
}

func (p *Parser) matchTypeEnumBody() (*ast.TypeEnum, error) {
	l := p.lexer