Function analyzeRepo

tools/check-structfield-settings/main.go:195–240

(repoRoot string, patterns []string, includeTests bool, allowedNames, allowedTypes map[string]bool)

}

func analyzeRepo(repoRoot string, patterns []string, includeTests bool, allowedNames, allowedTypes map[string]bool) (map[string]bool, map[string]bool, error) {
	plugin, err := structfield.New(nil)
	if err != nil {
		return nil, nil, err
	}
	created, err := plugin.BuildAnalyzers()
	if err != nil {
		return nil, nil, err
	}
	if len(created) == 0 {
		return nil, nil, errors.New("no analyzers returned by structfield")
	}
	analyzer := created[0]

	cfg := &packages.Config{
		Mode:  packages.LoadAllSyntax,
		Dir:   repoRoot,
		Tests: includeTests,
	}
	pkgs, err := packages.Load(cfg, patterns...)
	if err != nil {
		return nil, nil, err
	}
	if packages.PrintErrors(pkgs) > 0 {
		return nil, nil, errors.New("package load errors")
	}

	graph, err := checker.Analyze([]*analysis.Analyzer{analyzer}, pkgs, &checker.Options{Sequential: true})
	if err != nil {
		return nil, nil, err
	}

	usedNames := make(map[string]bool)
	usedTypes := make(map[string]bool)

	for act := range graph.All() {
		if !act.IsRoot || act.Analyzer != analyzer {
			continue
		}
		for _, diag := range act.Diagnostics {
			markUsedException(diag.Message, allowedNames, allowedTypes, usedNames, usedTypes)
		}
	}

	return usedNames, usedTypes, nil
}

var (
	nameMismatchRE  = regexp.MustCompile(`^change Go field name "([^"]+)" to ".*" for .* tag ".*" in struct "([^"]+)"$`)