app.processing.merge.connections
================================

.. py:module:: app.processing.merge.connections

.. autoapi-nested-parse::

   Connect input/output by modifying the AST based on :class:`~app.processing.graph.IOInfo`.







Module Contents
---------------

.. py:class:: SingleQubit

   Give a qubit a unique ID in the whole graph.

   :param section_id: The UUID of the section the qubit occurred in.
   :param id_in_section: The Qubit ID based on the declaration order in the section.


.. py:class:: ApplyConnectionsTransformer(section_id: uuid.UUID, io_info: app.processing.graph.IOInfo, qubit_info: app.processing.graph.QubitInfo, global_reg_name: str, qubit_to_index: dict[SingleQubit, int], classical_input_to_output: dict[str, str])



   Replace qubit declarations and classical inputs with aliases.

   :param section_id: The UUID of the currently visited section.
   :param io_info: The IOInfo for the current section.
   :param qubit_info: The QubitInfo for the current section.
   :param global_reg_name: The name to use for the global qubit register.
   :param qubit_to_index: Map qubits to the indexes in the global reg.
   :param classical_input_to_output: Map classical declaration names to aliases to use.


   .. py:method:: id_to_qubit(id: int) -> SingleQubit

      Create a :class:`~app.processing.merging.connections.SingleQubit` for the encountered ID.



   .. py:method:: visit_QubitDeclaration(node: openqasm3.ast.QubitDeclaration) -> openqasm3.ast.QASMNode

      Replace qubit declaration with alias to leqo_reg.



   .. py:method:: visit_ClassicalDeclaration(node: openqasm3.ast.ClassicalDeclaration) -> openqasm3.ast.QASMNode

      Replace classical declaration with alias to output if it is an input.



.. py:function:: connect_qubits(graph: app.processing.graph.ProgramGraph, global_reg_name: str, input: app.processing.graph.ProcessedProgramNode | None = None) -> int

   Apply connections to the graph.

   :param graph: The graph to modify in place.
   :param global_reg_name: The name of the qubit reg to use in aliases.
   :param input: Optional input node: don't modify it + IDs in the order of the declarations in this node.
   :return: The size of the global qubit register.