build(deps): bump github.com/alexkohler/nakedret to 2.0.1

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24
 	github.com/GaijinEntertainment/go-exhaustruct/v2 v2.3.0
 	github.com/OpenPeeDeeP/depguard v1.1.1
+	github.com/alexkohler/nakedret/v2 v2.0.1
 	github.com/alexkohler/prealloc v1.0.0
 	github.com/alingse/asasalint v0.0.11
 	github.com/ashanbrown/forbidigo v1.5.1

pkg/golinters/nakedret.go

@@ -1,134 +1,27 @@
 package golinters
 
 import (
-	"fmt"
-	"go/ast"
-	"go/token"
-	"sync"
-
+	"github.com/alexkohler/nakedret/v2"
 	"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 nakedretName = "nakedret"
 
-//nolint:dupl
 func NewNakedret(settings *config.NakedretSettings) *goanalysis.Linter {
-	var mu sync.Mutex
-	var resIssues []goanalysis.Issue
-
-	analyzer := &analysis.Analyzer{
-		Name: nakedretName,
-		Doc:  goanalysis.TheOnlyanalyzerDoc,
-		Run: func(pass *analysis.Pass) (any, error) {
-			issues := runNakedRet(pass, settings)
-
-			if len(issues) == 0 {
-				return nil, nil
-			}
-
-			mu.Lock()
-			resIssues = append(resIssues, issues...)
-			mu.Unlock()
-
-			return nil, nil
-		},
+	var maxLines int
+	if settings != nil {
+		maxLines = settings.MaxFuncLines
 	}
 
+	analyzer := nakedret.NakedReturnAnalyzer(uint(maxLines))
+
 	return goanalysis.NewLinter(
 		nakedretName,
 		"Finds naked returns in functions greater than a specified function length",
 		[]*analysis.Analyzer{analyzer},
 		nil,
-	).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
-		return resIssues
-	}).WithLoadMode(goanalysis.LoadModeSyntax)
-}
-
-func runNakedRet(pass *analysis.Pass, settings *config.NakedretSettings) []goanalysis.Issue {
-	var issues []goanalysis.Issue
-
-	for _, file := range pass.Files {
-		v := nakedretVisitor{
-			maxLength: settings.MaxFuncLines,
-			f:         pass.Fset,
-		}
-
-		ast.Walk(&v, file)
-
-		for i := range v.issues {
-			issues = append(issues, goanalysis.NewIssue(&v.issues[i], pass))
-		}
-	}
-
-	return issues
-}
-
-type nakedretVisitor struct {
-	maxLength int
-	f         *token.FileSet
-	issues    []result.Issue
-}
-
-func (v *nakedretVisitor) processFuncDecl(funcDecl *ast.FuncDecl) {
-	file := v.f.File(funcDecl.Pos())
-	functionLineLength := file.Position(funcDecl.End()).Line - file.Position(funcDecl.Pos()).Line
-
-	// Scan the body for usage of the named returns
-	for _, stmt := range funcDecl.Body.List {
-		s, ok := stmt.(*ast.ReturnStmt)
-		if !ok {
-			continue
-		}
-
-		if len(s.Results) != 0 {
-			continue
-		}
-
-		file := v.f.File(s.Pos())
-		if file == nil || functionLineLength <= v.maxLength {
-			continue
-		}
-		if funcDecl.Name == nil {
-			continue
-		}
-
-		v.issues = append(v.issues, result.Issue{
-			FromLinter: nakedretName,
-			Text: fmt.Sprintf("naked return in func `%s` with %d lines of code",
-				funcDecl.Name.Name, functionLineLength),
-			Pos: v.f.Position(s.Pos()),
-		})
-	}
-}
-
-func (v *nakedretVisitor) Visit(node ast.Node) ast.Visitor {
-	funcDecl, ok := node.(*ast.FuncDecl)
-	if !ok {
-		return v
-	}
-
-	var namedReturns []*ast.Ident
-
-	// We've found a function
-	if funcDecl.Type != nil && funcDecl.Type.Results != nil {
-		for _, field := range funcDecl.Type.Results.List {
-			for _, ident := range field.Names {
-				if ident != nil {
-					namedReturns = append(namedReturns, ident)
-				}
-			}
-		}
-	}
-
-	if len(namedReturns) == 0 || funcDecl.Body == nil {
-		return v
-	}
-
-	v.processFuncDecl(funcDecl)
-	return v
+	).WithLoadMode(goanalysis.LoadModeSyntax)
 }

test/testdata/nakedret.go

@@ -1,11 +1,15 @@
 //golangcitest:args -Enakedret
 package testdata
 
+import "fmt"
+
 func NakedretIssue() (a int, b string) {
 	if a > 0 {
-		return
+		return // want "naked return in func `NakedretIssue` with 33 lines of code"
 	}
 
+	fmt.Println("nakedret")
+
 	if b == "" {
 		return 0, "0"
 	}
@@ -30,8 +34,8 @@ func NakedretIssue() (a int, b string) {
 	// ...
 	// ...
 
-	// len of this function is 31
-	return // want "naked return in func `NakedretIssue` with 31 lines of code"
+	// len of this function is 33
+	return // want "naked return in func `NakedretIssue` with 33 lines of code"
 }
 
 func NoNakedretIssue() (a int, b string) {