renamed parameter for clarity

main.go

@@ -995,7 +995,7 @@ func collectNames(files []*ast.File) map[string]struct{} {
 }
 
 // transformGo garbles the provided Go syntax node.
-func transformGo(file *ast.File, info *types.Info, blacklist map[types.Object]struct{}, pkgScope *types.Scope, privateNameMap map[string]string, pkgPath string, existingNames map[string]struct{}, packageCounter *int) *ast.File {
+func transformGo(file *ast.File, info *types.Info, blacklist map[types.Object]struct{}, filePkgScope *types.Scope, privateNameMap map[string]string, pkgPath string, existingNames map[string]struct{}, packageCounter *int) *ast.File {
 	// Shuffle top level declarations
 	mathrand.Shuffle(len(file.Decls), func(i, j int) {
 		decl1 := file.Decls[i]
@@ -1067,7 +1067,7 @@ func transformGo(file *ast.File, info *types.Info, blacklist map[types.Object]st
 
 			// if the struct of this field was not garbled, do not garble
 			// any of that struct's fields
-			if (parentScope != pkgScope) && (x.IsField() && !x.Embedded()) {
+			if (parentScope != filePkgScope) && (x.IsField() && !x.Embedded()) {
 				parent, ok := cursor.Parent().(*ast.SelectorExpr)
 				if !ok {
 					break
@@ -1099,7 +1099,7 @@ func transformGo(file *ast.File, info *types.Info, blacklist map[types.Object]st
 
 			// if the type was not garbled in the package were it was defined,
 			// do not garble it here
-			if parentScope != pkgScope {
+			if parentScope != filePkgScope {
 				named := namedType(x.Type())
 				if named == nil {
 					break