public void visit()

in src/main/java/org/apache/sling/scripting/sightly/impl/compiler/optimization/UnusedVariableRemoval.java [67:94]

• 20 lines of code
• 5 McCabe index (conditional complexity)

    public void visit(VariableBinding.End variableBindingEnd) {
        // Get the activity of the exiting variable
        VariableActivity variableActivity = tracker.peek().getValue();
        tracker.popVariable();
        boolean emitBindingEnd = true;
        if (variableActivity != null) {
            //this was a tracked variable. Popping all the commands
            //which were delayed for this variable
            List<Command> commands = storedCommandsStack.pop();
            //if the variable binding is emitted than this binding
            //end must be emitted as well
            emitBindingEnd = variableActivity.isUsed();
            if (variableActivity.isUsed()) {
                VariableBinding.Start variableBindingStart = variableActivity.getCommand();
                //variable was used. we can let it pass through
                emit(variableBindingStart);
                //register the usage of all the variables that appear in the bound expression
                registerUsage(variableBindingStart);
            }
            //write all the delayed commands
            for (Command command : commands) {
                emit(command);
            }
        }
        if (emitBindingEnd) {
            emit(variableBindingEnd);
        }
    }