internal/analyzers/noliteral/linter.go

@@ -2,6 +2,7 @@ package noliteral
 
 import (
 	"go/ast"
+	"go/token"
 
 	astutils "git.frostfs.info/TrueCloudLab/linters/pkg/ast-utils"
 	"github.com/mitchellh/mapstructure"
@@ -51,49 +52,66 @@ func run(pass *analysis.Pass) (interface{}, error) {
 	}
 	for _, file := range pass.Files {
 		ast.Inspect(file, func(n ast.Node) bool {
-			expr, ok := n.(*ast.CallExpr)
-			if !ok {
-				return true
-			}
-
-			isLog, _ := astutils.IsTargetMethod(expr.Fun, Config.TargetMethods)
-			if !isLog || len(expr.Args) == 0 || astutils.HasNoLintComment(pass, expr.Pos()) {
-				return true
-			}
-
-			if !astutils.IsStringValue(expr.Args[0]) {
-				alias, _ := astutils.GetAliasByPkgName(file, Config.ConstantsPackage)
-				if Config.ConstantsPackage == "" || astutils.GetPackageName(expr.Args[0]) == alias || astutils.GetPackageName(expr.Args[0]) == "" {
-					return true
+			switch v := n.(type) {
+			// a := zap.Error()
+			case *ast.AssignStmt:
+				if _, ok := v.Rhs[0].(*ast.CallExpr); ok {
+					return false
 				}
-
-				for _, pkgName := range Config.DisablePackages {
-					if pkgName == astutils.GetPackageName(expr.Args[0]) {
-						return true
-					}
+			// a := &log.Error()
+			case *ast.UnaryExpr:
+				if _, ok := v.X.(*ast.CallExpr); ok && v.Op == token.AND {
+					return false
+				}
+			// log.Error()
+			case *ast.CallExpr:
+				if expr, ok := n.(*ast.CallExpr); ok {
+					return analyzeCallExpr(pass, expr, file)
 				}
-
-				pass.Report(analysis.Diagnostic{
-					Pos:            expr.Pos(),
-					End:            expr.End(),
-					Category:       LinterName,
-					Message:        "Wrong package for constants",
-					SuggestedFixes: nil,
-				})
-				return true
 			}
-
-			pass.Report(analysis.Diagnostic{
-				Pos:            expr.Pos(),
-				End:            expr.End(),
-				Category:       LinterName,
-				Message:        "Literals are not allowed in the body of the logger",
-				SuggestedFixes: nil,
-			})
-
-			return false
+			return true
 		})
 	}
 
 	return nil, nil
 }
+
+func analyzeCallExpr(pass *analysis.Pass, expr *ast.CallExpr, file *ast.File) bool {
+	isLog, _ := astutils.IsTargetMethod(expr.Fun, Config.TargetMethods)
+
+	if !isLog || len(expr.Args) == 0 || astutils.HasNoLintComment(pass, expr.Pos()) {
+		return false
+	}
+
+	if !astutils.IsStringValue(expr.Args[0]) {
+		alias, _ := astutils.GetAliasByPkgName(file, Config.ConstantsPackage)
+		if Config.ConstantsPackage == "" || astutils.GetPackageName(expr.Args[0]) == alias || astutils.GetPackageName(expr.Args[0]) == "" {
+			return false
+		}
+
+		for _, pkgName := range Config.DisablePackages {
+			if pkgName == astutils.GetPackageName(expr.Args[0]) {
+				return false
+			}
+		}
+
+		pass.Report(analysis.Diagnostic{
+			Pos:            expr.Pos(),
+			End:            expr.End(),
+			Category:       LinterName,
+			Message:        "Wrong package for constants",
+			SuggestedFixes: nil,
+		})
+		return false
+	}
+
+	pass.Report(analysis.Diagnostic{
+		Pos:            expr.Pos(),
+		End:            expr.End(),
+		Category:       LinterName,
+		Message:        "Literals are not allowed in the body of the logger",
+		SuggestedFixes: nil,
+	})
+
+	return false
+}

internal/analyzers/noliteral/test-case/const-location/positive._go

@@ -4,25 +4,46 @@ package logs //declaration package
 
 import (
 	"fmt"
-	tochno_ne_const_dly_log "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"// The alias of the package with constants differs from the one used
+	tochno_ne_dly_const_log "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"// The alias of the package with constants differs from the one used
 )
 
 func (c *cfg) info_ok() {
-	c.log.Info(tochno_ne_const_dly_log.MSG)
+	c.log.Info(tochno_ne_dly_const_log.MSG)
 }
 
 func (c *cfg) debug_ok() {
-	c.log.Debug(tochno_ne_const_dly_log.MSG)
+	c.log.Debug(tochno_ne_dly_const_log.MSG)
 }
 
 func (c *cfg) error_ok() {
-	c.log.Error(tochno_ne_const_dly_log.MSG)
+	c.log.Error(tochno_ne_dly_const_log.MSG)
 }
 
 func (c *cfg) custom_ok_const() {
-	c.log.Abyr(tochno_ne_const_dly_log.MSG)
+	c.log.Abyr(tochno_ne_dly_const_log.MSG)
 }
 
+// issue: https://git.frostfs.info/TrueCloudLab/linters/issues/16.
+// Check that the check does not trigger a false positive for "zap.Error(invalid_pkg.Error)" passed as an argument.
+func (c *cfg) debug1_ok() { 
+	c.log.Debug(tochno_ne_dly_const_log.MSG, zap.Stringer("cid", bkt.CID), zap.String("oid", obj.VersionID), zap.Error(invalid_pkg.Error))
+}
+
+func (c *cfg) error_ok() {
+	field:=zap.Error(invalid_pkg.Error)
+}
+
+func (c *cfg) error_ok() {
+	callBack:=&zap.Error(invalid_pkg.Error)
+}
+
+func (c *cfg) error_ok() {
+	field=zap.Error(invalid_pkg.Error)
+}
+
+func (c *cfg) error_ok() {
+	callBack=&zap.Error(invalid_pkg.Error)
+}
 
 type Logger interface {
 	Debug(msg string)

internal/analyzers/noliteral/test-case/literals/positive._go

@@ -15,6 +15,16 @@ func (c *cfg) debug_ok() {
 	c.log.Debug(logs.MSG) //acceptable
 }
 
+// issue: https://git.frostfs.info/TrueCloudLab/linters/issues/16.
+// Check that the check does not trigger a false positive for "zap.Error("literal")" passed as an argument.
+func (c *cfg) debug1_ok() { 
+	c.log.Debug(logs.MSG, zap.Stringer("cid", bkt.CID), zap.String("oid", obj.VersionID), zap.Error("literal"))
+}
+
+func (c *cfg) debug1_ok() { 
+	f(zap.Error("logs.MSG"))
+}
+
 func (c *cfg) error_ok() {
 	c.log.Error(logs.MSG) //acceptable
 }