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# =============================================================================
# ____ _ _ ____ _ _
# _ __ _ _ / ___| | | | _ \| | __| | ___ _ __ ___
# | '_ \| | | | | _| |_| | | | | | / _` |/ _ \| '_ ` _ \
# | |_) | |_| | |_| | _ | |_| | |___ | (_| | (_) | | | | | |
# | .__/ \__, |\____|_| |_|____/|_____(_)__,_|\___/|_| |_| |_|
# |_| |___/
# =============================================================================
# Authors:
# Patrick Lehmann
#
# Package module: DOM: Interface items (e.g. generic or port)
#
# License:
# ============================================================================
# Copyright (C) 2019-2021 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
# ============================================================================
from typing import List
from pydecor import export
from pyVHDLModel.SyntaxModel import (
Function as VHDLModel_Function,
Procedure as VHDLModel_Procedure,
SubtypeOrSymbol,
GenericInterfaceItem,
ParameterInterfaceItem,
)
from pyGHDL.libghdl._types import Iir
from pyGHDL.libghdl.vhdl import nodes
from pyGHDL.dom import DOMMixin
from pyGHDL.dom._Utils import GetNameOfNode
from pyGHDL.dom.Symbol import SimpleSubtypeSymbol
@export
class Function(VHDLModel_Function, DOMMixin):
def __init__(
self,
node: Iir,
functionName: str,
returnType: SubtypeOrSymbol,
genericItems: List[GenericInterfaceItem] = None,
parameterItems: List[ParameterInterfaceItem] = None,
):
super().__init__(functionName)
DOMMixin.__init__(self, node)
# TODO: move to model
self._genericItems = [] if genericItems is None else [g for g in genericItems]
self._parameterItems = (
[] if parameterItems is None else [p for p in parameterItems]
)
self._returnType = returnType
@classmethod
def parse(cls, functionNode: Iir) -> "Function":
from pyGHDL.dom._Translate import (
GetGenericsFromChainedNodes,
GetParameterFromChainedNodes,
)
functionName = GetNameOfNode(functionNode)
generics = GetGenericsFromChainedNodes(nodes.Get_Generic_Chain(functionNode))
parameters = GetParameterFromChainedNodes(
nodes.Get_Interface_Declaration_Chain(functionNode)
)
returnType = nodes.Get_Return_Type_Mark(functionNode)
returnTypeName = GetNameOfNode(returnType)
returnTypeSymbol = SimpleSubtypeSymbol(returnType, returnTypeName)
return cls(functionNode, functionName, returnTypeSymbol, generics, parameters)
@export
class Procedure(VHDLModel_Procedure, DOMMixin):
def __init__(
self,
node: Iir,
procedureName: str,
genericItems: List[GenericInterfaceItem] = None,
parameterItems: List[ParameterInterfaceItem] = None,
):
super().__init__(procedureName)
DOMMixin.__init__(self, node)
# TODO: move to model
self._genericItems = [] if genericItems is None else [g for g in genericItems]
self._parameterItems = (
[] if parameterItems is None else [p for p in parameterItems]
)
@classmethod
def parse(cls, procedureNode: Iir) -> "Procedure":
from pyGHDL.dom._Translate import (
GetGenericsFromChainedNodes,
GetParameterFromChainedNodes,
)
procedureName = GetNameOfNode(procedureNode)
generics = GetGenericsFromChainedNodes(nodes.Get_Generic_Chain(procedureNode))
parameters = GetParameterFromChainedNodes(
nodes.Get_Interface_Declaration_Chain(procedureNode)
)
return cls(procedureNode, procedureName, generics, parameters)
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