Method push

src/core/objects/object_query.cpp:132–135

Pushes an expression and the current depth to the stack.

	
	/// Pushes an expression and the current depth to the stack.
	void push(ObjectQuery* expression)
	{
		stack.push_back(Element{expression, depth});
	}
	
	/// Removes an expression from the stack, and returns it.
	ObjectQuery* pop() noexcept {