# -*- coding: utf-8 -*-

# This code is part of Qiskit.
#
# (C) Copyright IBM 2017.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

# Modification Notice: Code revised for QuICT

"""Node for an OPENQASM program."""

from .node import Node


class Program(Node):
    """Node for an OPENQASM program.

    children is a list of nodes (statements).
    """

    def __init__(self, children):
        """Create the program node."""
        super().__init__('program', children, None)

    def qasm(self, prec=15):
        """Return the corresponding OPENQASM string."""
        string = ""
        for children in self.children:
            string += children.qasm(prec) + "\n"
        return string
