Blackbox: Handling global variables with sing stmt

New created functions won't take anymore any global variables as
parameters as it is not needed for them.

 * transform/dependencies_rework.go: Modified.

transform/dependencies_rework.go

@@ -228,6 +228,15 @@ func (infos *FuncInfosBis) isRequired(a []StmtNumber) bool {
 	return false
 }
 
+func contains(obj *ast.Object, objs []*ast.Object) bool {
+	for _, value := range objs {
+		if value == obj {
+			return true
+		}
+	}
+	return false
+}
+
 func (t *DependenciesRework) postFuncDecl(meta *Meta, funcDecl *ast.FuncDecl) *ast.FuncDecl {
 	currentFunc := t.Func[funcDecl.Name.Obj]
 	throwStmt, keepStmt := []ast.Stmt{}, []ast.Stmt{}
@@ -247,7 +256,6 @@ func (t *DependenciesRework) postFuncDecl(meta *Meta, funcDecl *ast.FuncDecl) *a
 				List: []*ast.Field{},
 			},
 		}
-		// TODO: Handle if it is a global variables or not.
 		// Copy function args to the new one created
 		for _, value := range funcDecl.Type.Params.List {
 			for _, name := range value.Names {
@@ -255,10 +263,9 @@ func (t *DependenciesRework) postFuncDecl(meta *Meta, funcDecl *ast.FuncDecl) *a
 			}
 			typ.Params.List = append(typ.Params.List, value)
 		}
-		// TODO: Handle if it is a global variables or not.
 		// Inject required variables in the new function in case it is needed in it
 		for key, value := range currentFunc.Variables {
-			if value.Required {
+			if value.Required && !contains(key, t.GlobalVar) {
 				name := ast.NewIdent(key.Name)
 				args = append(args, name)
 				typ.Params.List = append(typ.Params.List, &ast.Field{