Method Capacity

source/script_object.cpp:1263–1300

}

ResultType Map::Capacity(ResultToken &aResultToken, int aID, int aFlags, ExprTokenType *aParam[], int aParamCount)
{
	if (IS_INVOKE_GET)
	{
		_o_return(mCapacity);
	}

	if (!ParamIndexIsNumeric(0))
		_o_throw_type(_T("Number"), *aParam[0]);

	index_t desired_count = (index_t)ParamIndexToInt64(0);
	if (desired_count < mCount)
	{
		// It doesn't seem intuitive to allow SetCapacity to truncate the item array, so just reallocate
		// as necessary to remove any unused space.  Allow negative values since SetCapacity(-1) seems more
		// intuitive than SetCapacity(0) when the contents aren't being discarded.
		desired_count = mCount;
	}
	if (!desired_count)
	{
		if (mItem)
		{
			free(mItem);
			mItem = nullptr;
			mCapacity = 0;
		}
		//else mCapacity should already be 0.
		// Since mCapacity and desired_size are both 0, below will return 0 and won't call SetInternalCapacity.
	}
	if (desired_count == mCapacity || SetInternalCapacity(desired_count))
	{
		_o_return(mCapacity);
	}
	// At this point, failure isn't critical since nothing is being stored yet.  However, it might be easier to
	// debug if an error is thrown here rather than possibly later, when the array attempts to resize itself to
	// fit new items.  This also avoids the need for scripts to check if the return value is less than expected:
	_o_throw_oom;
}

ResultType Object::OwnProps(ResultToken &aResultToken, int aID, int aFlags, ExprTokenType *aParam[], int aParamCount)
{