def GetParameterFromChainedNodes(
nodeChain: Iir, ) -> Generator[ParameterInterfaceItem, None, None]:
parameter = nodeChain
while parameter != nodes.Null_Iir:
kind = GetIirKindOfNode(parameter)
if kind == nodes.Iir_Kind.Interface_Constant_Declaration:
from pyGHDL.dom.InterfaceItem import ParameterConstantInterfaceItem
param = ParameterConstantInterfaceItem.parse(parameter)
elif kind == nodes.Iir_Kind.Interface_Variable_Declaration:
from pyGHDL.dom.InterfaceItem import ParameterVariableInterfaceItem
param = ParameterVariableInterfaceItem.parse(parameter)
elif kind == nodes.Iir_Kind.Interface_Signal_Declaration:
from pyGHDL.dom.InterfaceItem import ParameterSignalInterfaceItem
param = ParameterSignalInterfaceItem.parse(parameter)
elif kind == nodes.Iir_Kind.Interface_File_Declaration:
from pyGHDL.dom.InterfaceItem import ParameterFileInterfaceItem
param = ParameterFileInterfaceItem.parse(parameter)
else:
position = Position.parse(parameter)
raise DOMException(
"Unknown parameter kind '{kind}' in parameter '{param}' at {file}:{line}:{column}."
.format(
kind=kind.name,
param=parameter,
file=position.Filename,
line=position.Line,
column=position.Column,
))
# Lookahead for parameters with multiple identifiers at once
if nodes.Get_Has_Identifier_List(parameter):
nextNode = nodes.Get_Chain(parameter)
for nextParameter in utils.chain_iter(nextNode):
# Consecutive identifiers are found, if the subtype indication is Null
if nodes.Get_Subtype_Indication(
nextParameter) == nodes.Null_Iir:
param.Identifiers.append(GetNameOfNode(nextParameter))
else:
parameter = nextParameter
break
# The last consecutive identifiers has no Identifier_List flag
if not nodes.Get_Has_Identifier_List(nextParameter):
parameter = nodes.Get_Chain(nextParameter)
break
else:
parameter = nodes.Null_Iir
else:
parameter = nodes.Get_Chain(parameter)
yield param
def GetPortsFromChainedNodes(
nodeChain: Iir, ) -> Generator[PortInterfaceItem, None, None]:
port = nodeChain
while port != nodes.Null_Iir:
kind = GetIirKindOfNode(port)
if kind == nodes.Iir_Kind.Interface_Signal_Declaration:
from pyGHDL.dom.InterfaceItem import PortSignalInterfaceItem
portSignal = PortSignalInterfaceItem.parse(port)
# Lookahead for ports with multiple identifiers at once
if nodes.Get_Has_Identifier_List(port):
nextNode = nodes.Get_Chain(port)
for nextPort in utils.chain_iter(nextNode):
# Consecutive identifiers are found, if the subtype indication is Null
if nodes.Get_Subtype_Indication(
nextPort) == nodes.Null_Iir:
portSignal.Identifiers.append(GetNameOfNode(nextPort))
else:
port = nextPort
break
# The last consecutive identifiers has no Identifier_List flag
if not nodes.Get_Has_Identifier_List(nextPort):
port = nodes.Get_Chain(nextPort)
break
else:
port = nodes.Null_Iir
else:
port = nodes.Get_Chain(port)
yield portSignal
continue
else:
position = Position.parse(port)
raise DOMException(
"Unknown port kind '{kind}' in port '{port}' at {file}:{line}:{column}."
.format(
kind=kind.name,
port=port,
file=position.Filename,
line=position.Line,
column=position.Column,
))
def parse(cls, typeName: str, typeDefinitionNode: Iir) -> "RecordType":
from pyGHDL.dom._Utils import GetNameOfNode
elements = []
elementDeclarations = nodes.Get_Elements_Declaration_List(
typeDefinitionNode)
elementCount = flists.Flast(elementDeclarations) + 1
index = 0
while index < elementCount:
elementDeclaration = flists.Get_Nth_Element(
elementDeclarations, index)
element = RecordTypeElement.parse(elementDeclaration)
# Lookahead for elements with multiple identifiers at once
if nodes.Get_Has_Identifier_List(elementDeclaration):
index += 1
while index < elementCount:
nextNode: Iir = flists.Get_Nth_Element(
elementDeclarations, index)
# Consecutive identifiers are found, if the subtype indication is Null
if nodes.Get_Subtype_Indication(
nextNode) == nodes.Null_Iir:
element.Identifiers.append(GetNameOfNode(nextNode))
else:
break
index += 1
# The last consecutive identifiers has no Identifier_List flag
if not nodes.Get_Has_Identifier_List(nextNode):
break
else:
index += 1
elements.append(element)
return cls(typeDefinitionNode, typeName, elements)
def GetDeclaredItemsFromChainedNodes(
nodeChain: Iir, entity: str,
name: str) -> Generator[ModelEntity, None, None]:
item = nodeChain
lastKind = None
while item != nodes.Null_Iir:
kind = GetIirKindOfNode(item)
if kind == nodes.Iir_Kind.Constant_Declaration:
from pyGHDL.dom.Object import Constant
obj = Constant.parse(item)
elif kind == nodes.Iir_Kind.Variable_Declaration:
from pyGHDL.dom.Object import SharedVariable
if nodes.Get_Shared_Flag(item):
obj = SharedVariable.parse(item)
else:
obj = Variable.parse(item)
elif kind == nodes.Iir_Kind.Signal_Declaration:
from pyGHDL.dom.Object import Signal
obj = Signal.parse(item)
elif kind == nodes.Iir_Kind.File_Declaration:
from pyGHDL.dom.Object import File
obj = File.parse(item)
else:
if kind == nodes.Iir_Kind.Type_Declaration:
yield GetTypeFromNode(item)
elif kind == nodes.Iir_Kind.Anonymous_Type_Declaration:
yield GetAnonymousTypeFromNode(item)
elif kind == nodes.Iir_Kind.Subtype_Declaration:
yield GetSubtypeFromNode(item)
elif kind == nodes.Iir_Kind.Function_Declaration:
if nodes.Get_Has_Body(item):
yield Function.parse(item)
else:
print(
"[NOT IMPLEMENTED] function declaration without body")
lastKind = kind
item = nodes.Get_Chain(item)
continue
elif kind == nodes.Iir_Kind.Function_Body:
if lastKind is nodes.Iir_Kind.Function_Declaration:
pass
else:
position = Position.parse(item)
raise DOMException(
"Found unexpected function body '{functionName}' in {entity} '{name}' at {file}:{line}:{column}."
.format(
functionName=GetNameOfNode(item),
entity=entity,
name=name,
file=position.Filename,
line=position.Line,
column=position.Column,
))
elif kind == nodes.Iir_Kind.Procedure_Declaration:
if nodes.Get_Has_Body(item):
yield Procedure.parse(item)
else:
print(
"[NOT IMPLEMENTED] procedure declaration without body")
lastKind = kind
item = nodes.Get_Chain(item)
continue
elif kind == nodes.Iir_Kind.Procedure_Body:
if lastKind is nodes.Iir_Kind.Procedure_Declaration:
pass
else:
position = Position.parse(item)
raise DOMException(
"Found unexpected procedure body '{functionName}' in {entity} '{name}' at {file}:{line}:{column}."
.format(
functionName=GetNameOfNode(item),
entity=entity,
name=name,
file=position.Filename,
line=position.Line,
column=position.Column,
))
elif kind == nodes.Iir_Kind.Protected_Type_Body:
yield ProtectedTypeBody.parse(item)
elif kind == nodes.Iir_Kind.Object_Alias_Declaration:
yield GetAliasFromNode(item)
elif kind == nodes.Iir_Kind.Component_Declaration:
from pyGHDL.dom.DesignUnit import Component
yield Component.parse(item)
elif kind == nodes.Iir_Kind.Attribute_Declaration:
from pyGHDL.dom.Attribute import Attribute
yield Attribute.parse(item)
elif kind == nodes.Iir_Kind.Attribute_Specification:
from pyGHDL.dom.Attribute import AttributeSpecification
yield AttributeSpecification.parse(item)
elif kind == nodes.Iir_Kind.Use_Clause:
from pyGHDL.dom.DesignUnit import UseClause
yield UseClause.parse(item)
elif kind == nodes.Iir_Kind.Package_Declaration:
from pyGHDL.dom.DesignUnit import Package
yield Package.parse(item, None) # TODO: Can it have a context?
elif kind == nodes.Iir_Kind.Package_Instantiation_Declaration:
from pyGHDL.dom.DesignUnit import PackageInstantiation
yield PackageInstantiation.parse(item)
elif kind == nodes.Iir_Kind.Configuration_Specification:
print(
"[NOT IMPLEMENTED] Configuration specification in {name}".
format(name=name))
elif kind == nodes.Iir_Kind.Psl_Default_Clock:
yield DefaultClock.parse(item)
elif kind == nodes.Iir_Kind.Group_Declaration:
print("[NOT IMPLEMENTED] Group declaration in {name}".format(
name=name))
elif kind == nodes.Iir_Kind.Group_Template_Declaration:
print("[NOT IMPLEMENTED] Group template declaration in {name}".
format(name=name))
elif kind == nodes.Iir_Kind.Disconnection_Specification:
print("[NOT IMPLEMENTED] Disconnect specification in {name}".
format(name=name))
else:
position = Position.parse(item)
raise DOMException(
"Unknown declared item kind '{kind}' in {entity} '{name}' at {file}:{line}:{column}."
.format(
kind=kind.name,
entity=entity,
name=name,
file=position.Filename,
line=position.Line,
column=position.Column,
))
lastKind = None
item = nodes.Get_Chain(item)
continue
# Lookahead for objects with multiple identifiers at once
if nodes.Get_Has_Identifier_List(item):
nextNode = nodes.Get_Chain(item)
for nextItem in utils.chain_iter(nextNode):
# Consecutive identifiers are found, if the subtype indication is Null
if nodes.Get_Subtype_Indication(nextItem) == nodes.Null_Iir:
obj.Identifiers.append(GetNameOfNode(nextItem))
else:
item = nextItem
break
# The last consecutive identifiers has no Identifier_List flag
if not nodes.Get_Has_Identifier_List(nextItem):
item = nodes.Get_Chain(nextItem)
break
else:
item = nodes.Null_Iir
else:
item = nodes.Get_Chain(item)
yield obj
def GetGenericsFromChainedNodes(
nodeChain: Iir, ) -> Generator[GenericInterfaceItem, None, None]:
from pyGHDL.dom.InterfaceItem import (
GenericTypeInterfaceItem,
GenericPackageInterfaceItem,
GenericProcedureInterfaceItem,
GenericFunctionInterfaceItem,
)
generic = nodeChain
while generic != nodes.Null_Iir:
kind = GetIirKindOfNode(generic)
if kind == nodes.Iir_Kind.Interface_Constant_Declaration:
from pyGHDL.dom.InterfaceItem import GenericConstantInterfaceItem
genericConstant = GenericConstantInterfaceItem.parse(generic)
# Lookahead for generics with multiple identifiers at once
if nodes.Get_Has_Identifier_List(generic):
nextNode = nodes.Get_Chain(generic)
for nextGeneric in utils.chain_iter(nextNode):
# Consecutive identifiers are found, if the subtype indication is Null
if nodes.Get_Subtype_Indication(
nextGeneric) == nodes.Null_Iir:
genericConstant.Identifiers.append(
GetNameOfNode(nextGeneric))
else:
generic = nextGeneric
break
# The last consecutive identifiers has no Identifier_List flag
if not nodes.Get_Has_Identifier_List(nextGeneric):
generic = nodes.Get_Chain(nextGeneric)
break
else:
generic = nodes.Null_Iir
else:
generic = nodes.Get_Chain(generic)
yield genericConstant
continue
else:
if kind == nodes.Iir_Kind.Interface_Type_Declaration:
yield GenericTypeInterfaceItem.parse(generic)
elif kind == nodes.Iir_Kind.Interface_Package_Declaration:
yield GenericPackageInterfaceItem.parse(generic)
elif kind == nodes.Iir_Kind.Interface_Procedure_Declaration:
yield GenericProcedureInterfaceItem.parse(generic)
elif kind == nodes.Iir_Kind.Interface_Function_Declaration:
yield GenericFunctionInterfaceItem.parse(generic)
else:
position = Position.parse(generic)
raise DOMException(
"Unknown generic kind '{kind}' in generic '{generic}' at {file}:{line}:{column}."
.format(
kind=kind.name,
generic=generic,
file=position.Filename,
line=position.Line,
column=position.Column,
))
generic = nodes.Get_Chain(generic)
def GetSubtypeIndicationFromNode(node: Iir, entity: str,
name: str) -> SubtypeOrSymbol:
subtypeIndicationNode = nodes.Get_Subtype_Indication(node)
return GetSubtypeIndicationFromIndicationNode(subtypeIndicationNode,
entity, name)
