Function checkOrphanDirectives

internal/extgen/astutil.go:38–51

checkOrphanDirectives returns an error for the first comment that matches re but whose source line was not consumed by a declaration.

(file *ast.File, fset *token.FileSet, re *regexp.Regexp, consumed map[int]bool, directiveLabel string)

// checkOrphanDirectives returns an error for the first comment that matches re
// but whose source line was not consumed by a declaration.
func checkOrphanDirectives(file *ast.File, fset *token.FileSet, re *regexp.Regexp, consumed map[int]bool, directiveLabel string) error {
	for _, group := range file.Comments {
		for _, comment := range group.List {
			if !re.MatchString(comment.Text) {
				continue
			}
			line := fset.Position(comment.Pos()).Line
			if !consumed[line] {
				return fmt.Errorf("%s directive at line %d is not followed by a function declaration", directiveLabel, line)
			}
		}
	}
	return nil
}