package golinters import ( "go/token" "strings" "sync" "github.com/ultraware/funlen" "golang.org/x/tools/go/analysis" "github.com/golangci/golangci-lint/pkg/config" "github.com/golangci/golangci-lint/pkg/golinters/goanalysis" "github.com/golangci/golangci-lint/pkg/lint/linter" "github.com/golangci/golangci-lint/pkg/result" ) const funlenName = "funlen" //nolint:dupl func NewFunlen(settings *config.FunlenSettings) *goanalysis.Linter { var mu sync.Mutex var resIssues []goanalysis.Issue analyzer := &analysis.Analyzer{ Name: funlenName, Doc: goanalysis.TheOnlyanalyzerDoc, Run: func(pass *analysis.Pass) (any, error) { issues := runFunlen(pass, settings) if len(issues) == 0 { return nil, nil } mu.Lock() resIssues = append(resIssues, issues...) mu.Unlock() return nil, nil }, } return goanalysis.NewLinter( funlenName, "Tool for detection of long functions", []*analysis.Analyzer{analyzer}, nil, ).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue { return resIssues }).WithLoadMode(goanalysis.LoadModeSyntax) } func runFunlen(pass *analysis.Pass, settings *config.FunlenSettings) []goanalysis.Issue { var lintIssues []funlen.Message for _, file := range pass.Files { fileIssues := funlen.Run(file, pass.Fset, settings.Lines, settings.Statements, settings.IgnoreComments) lintIssues = append(lintIssues, fileIssues...) } if len(lintIssues) == 0 { return nil } issues := make([]goanalysis.Issue, len(lintIssues)) for k, i := range lintIssues { issues[k] = goanalysis.NewIssue(&result.Issue{ Pos: token.Position{ Filename: i.Pos.Filename, Line: i.Pos.Line, }, Text: strings.TrimRight(i.Message, "\n"), FromLinter: funlenName, }, pass) } return issues }