gistfile1.c

typedef struct _ChangeDebugModeData
{
  guint    flags;
  gboolean enabled;
} ChangeDebugModeData;

typedef void (*LockAction) (JSContext *context,
                            gpointer  user_data);

static void
lock_and_perform_if_unlocked (GjsContext *context,
                              guint      *lock_count,
                              LockAction action,
                              gpointer   user_data)
{
  if ((*lock_count)++ == 0)
    {
      JSContext *js_context = (JSContext *) gjs_context_get_native_context (context);
      (*action) (js_context, user_data);
    }
}

static void
unlock_and_perform_if_locked (GjsContext *context,
                              guint      *lock_count,
                              LockAction action,
                              gpointer   user_data)
{
  if (--(*lock_count) == 0)
    {
      JSContext *js_context = (JSContext *) gjs_context_get_native_context (context);
      (*action) (js_context, user_data);
    }
}

static void
change_debug_mode (JSContext *context,
                   gpointer  user_data)
{
  ChangeDebugModeData *data = (ChangeDebugModeData *) user_data;

  JS_BeginRequest (context);
  JS_SetOptions (context, data->flags);
  JS_SetDebugMode (context, data->enabled);
  JS_EndRequest (context);
}

static void
gjs_debug_interrupt_register_lock_debug_mode (GjsDebugInterruptRegister *reg)
{
  ChangeDebugModeData data =
  {
    JSOPTION_METHODJIT | JSOPTION_TYPE_INFERENCE,
    TRUE
  };

  lock_and_perform_if_unlocked (reg->priv->context,
                                &reg->priv->debug_mode_lock_count,
                                change_debug_mode,
                                &data);
}

static void
gjs_debug_interrupt_register_unlock_debug_mode (GjsDebugInterruptRegister *reg)
{
  ChangeDebugModeData data =
  {
    0,
    FALSE
  };

  unlock_and_perform_if_locked (reg->priv->context,
                                &reg->priv->debug_mode_lock_count,
                                change_debug_mode,
                                &data);
}