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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, Iterator
from pydecor import export
from pyGHDL.dom.Range import Range
from pyVHDLModel.VHDLModel import (
EntitySymbol as VHDLModel_EntitySymbol,
SimpleSubTypeSymbol as VHDLModel_SimpleSubTypeSymbol,
ConstrainedScalarSubTypeSymbol as VHDLModel_ConstrainedScalarSubTypeSymbol,
ConstrainedCompositeSubTypeSymbol as VHDLModel_ConstrainedCompositeSubTypeSymbol,
EnumerationLiteralSymbol as VHDLModel_EnumerationLiteralSymbol,
SimpleObjectOrFunctionCallSymbol as VHDLModel_SimpleObjectOrFunctionCallSymbol,
IndexedObjectOrFunctionCallSymbol as VHDLModel_IndexedObjectOrFunctionCallSymbol,
Constraint,
)
from pyGHDL.libghdl import utils
from pyGHDL.libghdl.vhdl import nodes
from pyGHDL.dom._Utils import GetIirKindOfNode, GetNameOfNode
from pyGHDL.dom.Common import DOMException
__all__ = []
@export
class EntitySymbol(VHDLModel_EntitySymbol):
def __init__(self, entityName: str):
super().__init__(entityName)
@export
class EnumerationLiteralSymbol(VHDLModel_EnumerationLiteralSymbol):
def __init__(self, literalName: str):
super().__init__(symbolName=literalName)
@export
class SimpleSubTypeSymbol(VHDLModel_SimpleSubTypeSymbol):
def __init__(self, subTypeName: str):
if isinstance(subTypeName, (List, Iterator)):
subTypeName = ".".join(subTypeName)
super().__init__(subTypeName=subTypeName)
@export
class ConstrainedScalarSubTypeSymbol(VHDLModel_ConstrainedScalarSubTypeSymbol):
def __init__(self, subTypeName: str, range: Range = None):
super().__init__(subTypeName=subTypeName, range=range)
@classmethod
def parse(cls, node):
pass
@export
class ConstrainedCompositeSubTypeSymbol(VHDLModel_ConstrainedCompositeSubTypeSymbol):
def __init__(self, subTypeName: str, constraints: List[Constraint] = None):
super().__init__(subTypeName=subTypeName, constraints=constraints)
@classmethod
def parse(cls, node):
pass
@export
class SimpleObjectOrFunctionCallSymbol(VHDLModel_SimpleObjectOrFunctionCallSymbol):
@classmethod
def parse(cls, node):
name = GetNameOfNode(node)
return cls(name)
@export
class IndexedObjectOrFunctionCallSymbol(VHDLModel_IndexedObjectOrFunctionCallSymbol):
def __init__(self, name: str, associations: List):
super().__init__(objectName=name)
@classmethod
def parse(cls, node):
from pyGHDL.dom._Translate import GetExpressionFromNode
prefix = nodes.Get_Prefix(node)
name = GetNameOfNode(prefix)
associations = []
for item in utils.chain_iter(nodes.Get_Association_Chain(node)):
kind = GetIirKindOfNode(item)
if kind == nodes.Iir_Kind.Association_Element_By_Expression:
actual = nodes.Get_Actual(item)
expr = GetExpressionFromNode(actual)
associations.append(expr)
else:
raise DOMException(
"Unknown association kind '{kindName}'({kind}) in array index/slice or function call '{node}'.".format(
kind=kind, kindName=kind.name, node=node
)
)
return cls(name, associations)
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