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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, Union, Iterator, Tuple
from pydecor import export
from pyVHDLModel.VHDLModel import (
AnonymousType as VHDLModel_AnonymousType,
PhysicalType as VHDLModel_PhysicalType,
IntegerType as VHDLModel_IntegerType,
EnumeratedType as VHDLModel_EnumeratedType,
ArrayType as VHDLModel_ArrayType,
RecordTypeElement as VHDLModel_RecordTypeElement,
RecordType as VHDLModel_RecordType,
AccessType as VHDLModel_AccessType,
FileType as VHDLModel_FileType,
ProtectedType as VHDLModel_ProtectedType,
ProtectedTypeBody as VHDLModel_ProtectedTypeBody,
SubType as VHDLModel_SubType,
SubTypeOrSymbol,
)
from pyGHDL.libghdl import utils
from pyGHDL.libghdl._types import Iir
from pyGHDL.libghdl.vhdl import nodes
from pyGHDL.dom import DOMMixin, DOMException
from pyGHDL.dom._Utils import GetNameOfNode, GetIirKindOfNode
from pyGHDL.dom.Symbol import SimpleSubTypeSymbol
from pyGHDL.dom.Literal import EnumerationLiteral, PhysicalIntegerLiteral
from pyGHDL.dom.Range import Range
from pyGHDL.dom.Subprogram import Function, Procedure
@export
class IncompleteType(VHDLModel_AnonymousType, DOMMixin):
def __init__(self, node: Iir, name: str):
super().__init__(name)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, node: Iir) -> "IncompleteType":
name = GetNameOfNode(node)
return cls(node, name)
@export
class EnumeratedType(VHDLModel_EnumeratedType, DOMMixin):
def __init__(self, node: Iir, name: str, literals: List[EnumerationLiteral]):
super().__init__(name, literals)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "EnumeratedType":
literals = []
enumerationLiterals = nodes.Get_Enumeration_Literal_List(typeDefinitionNode)
for enumerationLiteral in utils.flist_iter(enumerationLiterals):
literal = EnumerationLiteral.parse(enumerationLiteral)
literals.append(literal)
return cls(typeDefinitionNode, typeName, literals)
@export
class IntegerType(VHDLModel_IntegerType, DOMMixin):
def __init__(self, node: Iir, typeName: str, range: Range):
super().__init__(typeName)
DOMMixin.__init__(self, node)
self._leftBound = range.LeftBound
self._rightBound = range.RightBound
@export
class PhysicalType(VHDLModel_PhysicalType, DOMMixin):
def __init__(
self,
node: Iir,
typeName: str,
primaryUnit: str,
units: List[Tuple[str, PhysicalIntegerLiteral]],
):
super().__init__(typeName, primaryUnit, units)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "PhysicalType":
primaryUnit = nodes.Get_Primary_Unit(typeDefinitionNode)
primaryUnitName = GetNameOfNode(primaryUnit)
units = []
for secondaryUnit in utils.chain_iter(nodes.Get_Unit_Chain(typeDefinitionNode)):
secondaryUnitName = GetNameOfNode(secondaryUnit)
if secondaryUnit == primaryUnit:
continue
physicalLiteral = PhysicalIntegerLiteral.parse(
nodes.Get_Physical_Literal(secondaryUnit)
)
units.append((secondaryUnitName, physicalLiteral))
return cls(typeDefinitionNode, typeName, primaryUnitName, units)
@export
class ArrayType(VHDLModel_ArrayType, DOMMixin):
def __init__(
self, node: Iir, name: str, indices: List, elementSubType: SubTypeOrSymbol
):
super().__init__(name, indices, elementSubType)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "ArrayType":
from pyGHDL.dom._Translate import (
GetSimpleTypeFromNode,
GetSubTypeIndicationFromIndicationNode,
)
indices = []
indexDefinitions = nodes.Get_Index_Subtype_Definition_List(typeDefinitionNode)
for index in utils.flist_iter(indexDefinitions):
indexKind = GetIirKindOfNode(index)
if indexKind == nodes.Iir_Kind.Simple_Name:
indexSubType = GetSimpleTypeFromNode(index)
indices.append(indexSubType)
else:
raise DOMException(
"Unknown kind '{kind}' for an index in the array definition of `{typeName}`.".format(
kind=indexKind.name, typeName=typeName
)
)
elementSubTypeIndication = nodes.Get_Element_Subtype_Indication(
typeDefinitionNode
)
elementSubType = GetSubTypeIndicationFromIndicationNode(
elementSubTypeIndication, "array declaration", typeName
)
return cls(typeDefinitionNode, typeName, indices, elementSubType)
@export
class RecordTypeElement(VHDLModel_RecordTypeElement, DOMMixin):
def __init__(self, node: Iir, name: str, subType: SubTypeOrSymbol):
super().__init__(name, subType)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, elementDeclarationNode: Iir) -> "RecordTypeElement":
from pyGHDL.dom._Translate import GetSubTypeIndicationFromNode
elementName = GetNameOfNode(elementDeclarationNode)
elementType = GetSubTypeIndicationFromNode(
elementDeclarationNode, "record element", elementName
)
return cls(elementDeclarationNode, elementName, elementType)
@export
class RecordType(VHDLModel_RecordType, DOMMixin):
def __init__(self, node: Iir, name: str, elements: List[RecordTypeElement] = None):
super().__init__(name, elements)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "RecordType":
elements = []
elementDeclarations = nodes.Get_Elements_Declaration_List(typeDefinitionNode)
for elementDeclaration in utils.flist_iter(elementDeclarations):
element = RecordTypeElement.parse(elementDeclaration)
elements.append(element)
return cls(typeDefinitionNode, typeName, elements)
@export
class ProtectedType(VHDLModel_ProtectedType, DOMMixin):
def __init__(self, node: Iir, name: str, methods: Union[List, Iterator] = None):
super().__init__(name, methods)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "ProtectedType":
# FIXME: change this to a generator
methods = []
for item in utils.chain_iter(nodes.Get_Declaration_Chain(typeDefinitionNode)):
kind = GetIirKindOfNode(item)
if kind == nodes.Iir_Kind.Function_Declaration:
methods.append(Function.parse(item))
elif kind == nodes.Iir_Kind.Procedure_Declaration:
methods.append(Procedure.parse(item))
return cls(typeDefinitionNode, typeName, methods)
@export
class ProtectedTypeBody(VHDLModel_ProtectedTypeBody, DOMMixin):
def __init__(
self, node: Iir, name: str, declaredItems: Union[List, Iterator] = None
):
super().__init__(name, declaredItems)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, protectedBodyNode: Iir) -> "ProtectedTypeBody":
from pyGHDL.dom._Translate import GetDeclaredItemsFromChainedNodes
typeName = GetNameOfNode(protectedBodyNode)
declaredItems = GetDeclaredItemsFromChainedNodes(
nodes.Get_Declaration_Chain(protectedBodyNode),
"protected type body",
typeName,
)
return cls(protectedBodyNode, typeName, declaredItems)
@export
class AccessType(VHDLModel_AccessType, DOMMixin):
def __init__(self, node: Iir, name: str, designatedSubType: SubTypeOrSymbol):
super().__init__(name, designatedSubType)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "AccessType":
from pyGHDL.dom._Translate import GetSubTypeIndicationFromIndicationNode
designatedSubtypeIndication = nodes.Get_Designated_Subtype_Indication(
typeDefinitionNode
)
designatedSubType = GetSubTypeIndicationFromIndicationNode(
designatedSubtypeIndication, "access type", typeName
)
return cls(typeDefinitionNode, typeName, designatedSubType)
@export
class FileType(VHDLModel_FileType, DOMMixin):
def __init__(self, node: Iir, name: str, designatedSubType: SubTypeOrSymbol):
super().__init__(name, designatedSubType)
DOMMixin.__init__(self, node)
@classmethod
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "FileType":
designatedSubTypeMark = nodes.Get_File_Type_Mark(typeDefinitionNode)
designatedSubTypeName = GetNameOfNode(designatedSubTypeMark)
designatedSubType = SimpleSubTypeSymbol(
typeDefinitionNode, designatedSubTypeName
)
return cls(typeDefinitionNode, typeName, designatedSubType)
@export
class SubType(VHDLModel_SubType, DOMMixin):
def __init__(self, node: Iir, subtypeName: str):
super().__init__(subtypeName)
DOMMixin.__init__(self, node)
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