Function ParseDef

pkg/highlight/parser.go:229–265

ParseDef parses an input syntax file into a highlight Def

(f *File, header *Header)

// ParseDef parses an input syntax file into a highlight Def
func ParseDef(f *File, header *Header) (s *Def, err error) {
	// This is just so if we have an error, we can exit cleanly and return the parse error to the user
	defer func() {
		if r := recover(); r != nil {
			var ok bool
			err, ok = r.(error)
			if !ok {
				err = fmt.Errorf("pkg: %v", r)
			}
		}
	}()

	src := f.yamlSrc

	s = new(Def)
	s.Header = header

	for k, v := range src {
		if k == "rules" {
			inputRules := v.([]any)

			rules, err := parseRules(inputRules, nil)
			if err != nil {
				return nil, err
			}

			s.rules = rules
		}
	}

	if s.rules == nil {
		// allow empty rules
		s.rules = &rules{}
	}

	return s, err
}

// HasIncludes returns whether this syntax def has any include statements
func HasIncludes(d *Def) bool {