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# =============================================================================
# ____ _ _ ____ _ _
# _ __ _ _ / ___| | | | _ \| | __| | ___ _ __ ___
# | '_ \| | | | | _| |_| | | | | | / _` |/ _ \| '_ ` _ \
# | |_) | |_| | |_| | _ | |_| | |___ | (_| | (_) | | | | | |
# | .__/ \__, |\____|_| |_|____/|_____(_)__,_|\___/|_| |_| |_|
# |_| |___/
# =============================================================================
# Authors:
# Patrick Lehmann
#
# Package module: DOM: Common classes for package pyGHDL.dom.
#
# License:
# ============================================================================
# Copyright (C) 2019-2020 Tristan Gingold
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-2.0-or-later
# ============================================================================
"""
.. todo::
Add a module documentation.
"""
from pydecor import export
from pyVHDLModel.VHDLModel import Mode
from pyGHDL.libghdl import name_table
from pyGHDL.libghdl.vhdl import nodes
__all__ = []
@export
class GHDLBaseException(Exception):
pass
@export
class LibGHDLException(GHDLBaseException):
pass
@export
class GHDLException(GHDLBaseException):
pass
@export
class GHDLMixin:
_MODE_TRANSLATION = {
nodes.Iir_Mode.In_Mode: Mode.In,
nodes.Iir_Mode.Out_Mode: Mode.Out,
nodes.Iir_Mode.Inout_Mode: Mode.InOut,
nodes.Iir_Mode.Buffer_Mode: Mode.Buffer,
nodes.Iir_Mode.Linkage_Mode: Mode.Linkage
}
@classmethod
def _ghdlNodeToName(cls, node) -> str:
"""Return the python string from node :obj:`node` identifier"""
return name_table.Get_Name_Ptr(nodes.Get_Identifier(node))
@classmethod
def _ghdlPortToMode(cls, port):
"""Return the mode of a :obj:`port`."""
try:
return cls._MODE_TRANSLATION[nodes.Get_Mode(port)]
except KeyError:
raise LibGHDLException("Unknown mode.")
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