Source code for pyGHDL.dom.Object

# =============================================================================
#               ____ _   _ ____  _          _
#  _ __  _   _ / ___| | | |  _ \| |      __| | ___  _ __ ___
# | '_ \| | | | |  _| |_| | | | | |     / _` |/ _ \| '_ ` _ \
# | |_) | |_| | |_| |  _  | |_| | |___ | (_| | (_) | | | | | |
# | .__/ \__, |\____|_| |_|____/|_____(_)__,_|\___/|_| |_| |_|
# |_|    |___/
# =============================================================================
# Authors:
#   Patrick Lehmann
#
# Package module:   DOM: Interface items (e.g. generic or port)
#
# License:
# ============================================================================
#  Copyright (C) 2019-2022 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 Union, List, Iterable

from pyTooling.Decorators import export

from pyVHDLModel.Base import ExpressionUnion
from pyVHDLModel.Symbol import Symbol
from pyVHDLModel.Object import Constant as VHDLModel_Constant
from pyVHDLModel.Object import DeferredConstant as VHDLModel_DeferredConstant
from pyVHDLModel.Object import Variable as VHDLModel_Variable
from pyVHDLModel.Object import SharedVariable as VHDLModel_SharedVariable
from pyVHDLModel.Object import Signal as VHDLModel_Signal
from pyVHDLModel.Object import File as VHDLModel_File

from pyGHDL.libghdl._types import Iir
from pyGHDL.libghdl.vhdl import nodes
from pyGHDL.dom import DOMMixin
from pyGHDL.dom._Utils import GetNameOfNode, GetDocumentationOfNode


[docs]@export class Constant(VHDLModel_Constant, DOMMixin):
[docs] def __init__( self, node: Iir, identifiers: List[str], subtype: Symbol, defaultExpression: ExpressionUnion, documentation: str = None, ): super().__init__(identifiers, subtype, defaultExpression, documentation) DOMMixin.__init__(self, node)
@classmethod def parse( cls, constantNode: Iir, furtherIdentifiers: Iterable[str] = None ) -> Union["Constant", "DeferredConstant"]: from pyGHDL.dom._Translate import ( GetSubtypeIndicationFromNode, GetExpressionFromNode, ) name = GetNameOfNode(constantNode) documentation = GetDocumentationOfNode(constantNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(constantNode, "constant", name) defaultValue = nodes.Get_Default_Value(constantNode) if defaultValue != nodes.Null_Iir: defaultExpression = GetExpressionFromNode(defaultValue) return cls(constantNode, identifiers, subtypeIndication, defaultExpression, documentation) else: return DeferredConstant(constantNode, identifiers, subtypeIndication, documentation)
[docs]@export class DeferredConstant(VHDLModel_DeferredConstant, DOMMixin):
[docs] def __init__(self, node: Iir, identifiers: List[str], subtype: Symbol, documentation: str = None): super().__init__(identifiers, subtype, documentation) DOMMixin.__init__(self, node)
@classmethod def parse(cls, constantNode: Iir, furtherIdentifiers: Iterable[str] = None) -> "DeferredConstant": from pyGHDL.dom._Translate import GetSubtypeIndicationFromNode name = GetNameOfNode(constantNode) documentation = GetDocumentationOfNode(constantNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(constantNode, "deferred constant", name) return cls(constantNode, identifiers, subtypeIndication, documentation)
[docs]@export class Variable(VHDLModel_Variable, DOMMixin):
[docs] def __init__( self, node: Iir, identifiers: List[str], subtype: Symbol, defaultExpression: ExpressionUnion, documentation: str = None, ): super().__init__(identifiers, subtype, defaultExpression, documentation) DOMMixin.__init__(self, node)
@classmethod def parse(cls, variableNode: Iir, furtherIdentifiers: Iterable[str] = None) -> "Variable": from pyGHDL.dom._Translate import ( GetSubtypeIndicationFromNode, GetExpressionFromNode, ) name = GetNameOfNode(variableNode) documentation = GetDocumentationOfNode(variableNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(variableNode, "variable", name) defaultValue = nodes.Get_Default_Value(variableNode) defaultExpression = None if defaultValue != nodes.Null_Iir: defaultExpression = GetExpressionFromNode(defaultValue) return cls(variableNode, identifiers, subtypeIndication, defaultExpression, documentation)
[docs]@export class SharedVariable(VHDLModel_SharedVariable, DOMMixin):
[docs] def __init__(self, node: Iir, identifiers: List[str], subtype: Symbol, documentation: str = None): super().__init__(identifiers, subtype, documentation) DOMMixin.__init__(self, node)
@classmethod def parse(cls, variableNode: Iir, furtherIdentifiers: Iterable[str] = None) -> "SharedVariable": from pyGHDL.dom._Translate import GetSubtypeIndicationFromNode name = GetNameOfNode(variableNode) documentation = GetDocumentationOfNode(variableNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(variableNode, "variable", name) return cls(variableNode, identifiers, subtypeIndication, documentation)
[docs]@export class Signal(VHDLModel_Signal, DOMMixin):
[docs] def __init__( self, node: Iir, identifiers: List[str], subtype: Symbol, defaultExpression: ExpressionUnion, documentation: str = None, ): super().__init__(identifiers, subtype, defaultExpression, documentation) DOMMixin.__init__(self, node)
@classmethod def parse(cls, signalNode: Iir, furtherIdentifiers: Iterable[str] = None) -> "Signal": from pyGHDL.dom._Translate import ( GetSubtypeIndicationFromNode, GetExpressionFromNode, ) name = GetNameOfNode(signalNode) documentation = GetDocumentationOfNode(signalNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(signalNode, "signal", name) default = nodes.Get_Default_Value(signalNode) defaultExpression = GetExpressionFromNode(default) if default else None return cls(signalNode, identifiers, subtypeIndication, defaultExpression, documentation)
[docs]@export class File(VHDLModel_File, DOMMixin):
[docs] def __init__(self, node: Iir, identifiers: List[str], subtype: Symbol, documentation: str = None): super().__init__(identifiers, subtype, documentation) DOMMixin.__init__(self, node)
@classmethod def parse(cls, fileNode: Iir, furtherIdentifiers: Iterable[str] = None) -> "File": from pyGHDL.dom._Translate import GetSubtypeIndicationFromNode name = GetNameOfNode(fileNode) documentation = GetDocumentationOfNode(fileNode) identifiers = [name] if furtherIdentifiers is not None: identifiers.extend(furtherIdentifiers) subtypeIndication = GetSubtypeIndicationFromNode(fileNode, "file", name) # FIXME: handle file open stuff return cls(fileNode, identifiers, subtypeIndication, documentation)