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# =============================================================================
# ____ _ _ ____ _ _
# _ __ _ _ / ___| | | | _ \| | __| | ___ _ __ ___
# | '_ \| | | | | _| |_| | | | | | / _` |/ _ \| '_ ` _ \
# | |_) | |_| | |_| | _ | |_| | |___ | (_| | (_) | | | | | |
# | .__/ \__, |\____|_| |_|____/|_____(_)__,_|\___/|_| |_| |_|
# |_| |___/
# =============================================================================
# Authors: Patrick Lehmann
#
# Package module: DOM: VHDL design units (e.g. entity or package).
#
# License:
# ============================================================================
# Copyright (C) 2019-2020 Tristan Gingold
#
# GHDL 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, or (at your option) any later
# version.
#
# GHDL 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 GHDL; see the file COPYING. If not, write to the Free
# Software Foundation, 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
#
# SPDX-License-Identifier: GPL-2.0-or-later
# ============================================================================
#
"""
This module contains all DOM classes for VHDL's design units (:cls:`entity <Entity>`,
:cls:`architecture <Architecture>`, :cls:`package <Package>`,
:cls:`package body <PackageBody>`, :cls:`context <Context>` and
:cls:`configuration <Configuration>`.
"""
from pydecor import export
from pyVHDLModel.VHDLModel import Entity as VHDLModel_Entity
from pyVHDLModel.VHDLModel import Architecture as VHDLModel_Architecture
from pyVHDLModel.VHDLModel import Package as VHDLModel_Package
from pyVHDLModel.VHDLModel import PackageBody as VHDLModel_PackageBody
from pyVHDLModel.VHDLModel import Context as VHDLModel_Context
from pyVHDLModel.VHDLModel import Configuration as VHDLModel_Configuration
from pyGHDL.libghdl.vhdl import nodes
import pyGHDL.libghdl.utils as pyutils
from pyGHDL.dom.Common import GHDLMixin
from pyGHDL.dom.InterfaceItem import GenericConstantInterfaceItem, PortSignalInterfaceItem
__all__ = []
@export
class Entity(VHDLModel_Entity, GHDLMixin):
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
entity = cls(name)
cls.__parseGenerics(libraryUnit, entity)
cls.__parsePorts(libraryUnit, entity)
return entity
@classmethod
def __ghdlGetGenerics(cls, entity):
return pyutils.chain_iter(nodes.Get_Generic_Chain(entity))
@classmethod
def __ghdlGetPorts(cls, entity):
return pyutils.chain_iter(nodes.Get_Port_Chain(entity))
@classmethod
def __parseGenerics(cls, libraryUnit, entity):
for generic in cls.__ghdlGetGenerics(libraryUnit):
genericConstant = GenericConstantInterfaceItem.parse(generic)
entity.GenericItems.append(genericConstant)
@classmethod
def __parsePorts(cls, libraryUnit, entity):
for port in cls.__ghdlGetPorts(libraryUnit):
signalPort = PortSignalInterfaceItem.parse(port)
entity.PortItems.append(signalPort)
@export
class Architecture(VHDLModel_Architecture, GHDLMixin):
def __init__(self, name: str, entityName: str):
super().__init__(name)
self.__entityName = entityName
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
entityName = cls._ghdlNodeToName(nodes.Get_Entity_Name(libraryUnit))
return cls(name, entityName)
def resolve(self):
pass
@export
class Package(VHDLModel_Package, GHDLMixin):
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
return cls(name)
@export
class PackageBody(VHDLModel_PackageBody, GHDLMixin):
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
return cls(name)
@export
class Context(VHDLModel_Context, GHDLMixin):
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
return cls(name)
@export
class Configuration(VHDLModel_Configuration, GHDLMixin):
@classmethod
def parse(cls, libraryUnit):
name = cls._ghdlNodeToName(libraryUnit)
return cls(name)
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