Identifier ReadIdentifer(IdContainer Container, Identifier Parent)
{
var IdScope = Container.GetParent <IdentifierScope>();
if (IdScope == null || IdScope.Identifier != Parent)
{
throw new ApplicationException();
}
var IdPos = Reader.BaseStream.Position - BeginningPos;
if (IdPos != ReadLEB128_Long())
{
throw new InvalidAssemblyException();
}
#warning CHECK
var ParentIdRef = ReadLEB128_Int();
var Byte = Reader.ReadByte();
var DeclaredIdType = (DeclaredIdType)(Byte & 15);
var Access = (IdentifierAccess)(Byte >> 4);
var FlagData = Reader.ReadUInt16();
var Flags = (IdentifierFlags)FlagData & IdentifierFlags.All;
var HasName = (FlagData & 16384) != 0;
var HasOverloads = (FlagData & 32768) != 0;
var HasSpecialName = (Flags & IdentifierFlags.SpecialName) != 0;
var Name = HasName ? new CodeString(ReadLEB128_String()) : new CodeString();
var AssemblyName = HasSpecialName ? ReadLEB128_String() : null;
var StructuredScope = Container as StructuredScope;
var IsGlobal = (Flags & IdentifierFlags.Static) != 0 || !(Container.RealContainer is StructuredScope);
var Ret = (Identifier)null;
if (DeclaredIdType == DeclaredIdType.Alias)
{
Ret = new IdentifierAlias(Container, Name, null);
ReadReference(Ret, ReferenceDestination.RealId, -1);
UpdateList.Add(Ret);
}
else if (DeclaredIdType == DeclaredIdType.Class || DeclaredIdType == DeclaredIdType.Struct)
{
StructuredType Structured;
if (DeclaredIdType == DeclaredIdType.Class)
{
Ret = Structured = new ClassType(Container, Name);
}
else
{
Ret = Structured = new StructType(Container, Name);
}
Structured.InstanceSize = ReadLEB128_Int();
if (Structured.InstanceSize <= 0)
{
throw new InvalidAssemblyException("Invalid size");
}
Structured.Align = ReadLEB128_Int();
Structured.LayoutCalculated = true;
if (!DataStoring.VerifyAlign(Structured.Align))
{
throw new InvalidAssemblyException("Invalid alingment");
}
if (DeclaredIdType == DeclaredIdType.Struct)
{
Structured.Size = Structured.InstanceSize;
}
Structured.Guid = ReadGuid();
var BaseCount = ReadLEB128_Int();
Structured.BaseStructures = new StructureBase[BaseCount];
for (var i = 0; i < BaseCount; i++)
{
ReadReferenceDeclared(Structured, ReferenceDestination.Base, i);
}
Structured.FunctionTableIndex = ReadLEB128_Int();
var Scope = new StructuredScope(Container, new CodeString(), Structured);
Container.Children.Add(Scope);
Structured.StructuredScope = Scope;
ReadIdList(Scope, Structured);
UpdateList.Add(Ret);
}
else if (DeclaredIdType == DeclaredIdType.Enum || DeclaredIdType == DeclaredIdType.Flag)
{
EnumType Enum;
if (DeclaredIdType == Zinnia.DeclaredIdType.Enum)
{
Ret = Enum = new EnumType(Container, Name, new CodeString());
}
else
{
Ret = Enum = new FlagType(Container, Name, new CodeString());
}
ReadReference(Enum, ReferenceDestination.Children, 0);
var Scope = new EnumScope(Container, new CodeString(), Enum);
Container.Children.Add(Scope);
Enum.EnumScope = Scope;
var MemberCount = ReadLEB128_Int();
if (MemberCount != 0)
{
if (MemberCount < 0)
{
throw new InvalidAssemblyException();
}
for (var i = 0; i < MemberCount; i++)
{
var ConstName = new CodeString(ReadLEB128_String());
if (!ConstName.IsValidIdentifierName)
{
throw new InvalidAssemblyException("Invalid identifier name");
}
if (Identifiers.IsDefined(Scope.IdentifierList, ConstName.ToString()))
{
throw new InvalidAssemblyException("Identifier already defined");
}
var Const = new ConstVariable(Container, ConstName, Enum, ReadConst());
Scope.IdentifierList.Add(Const);
}
}
UpdateList.Add(Enum);
}
else if (DeclaredIdType == DeclaredIdType.Function || DeclaredIdType == DeclaredIdType.Constructor)
{
Function Function;
FunctionOverloads Overloads;
if (DeclaredIdType == Zinnia.DeclaredIdType.Function)
{
Overloads = Container.GetOverload(Name.ToString());
if (IsGlobal)
{
Ret = Function = new Function(Container, Name, null, Overloads);
}
else
{
Ret = Function = new MemberFunction(Container, Name, null, Overloads);
}
}
else
{
if (HasName)
{
throw new InvalidAssemblyException("Constructors cannot have name");
}
if (StructuredScope == null)
{
throw new InvalidAssemblyException("Invalid container");
}
if (StructuredScope.ConstructorOverloads == null)
{
StructuredScope.ConstructorOverloads = new FunctionOverloads(null);
}
Overloads = StructuredScope.ConstructorOverloads;
Ret = Function = new Constructor(Container, null, Overloads, new CodeString());
}
ReadReference(Function, ReferenceDestination.Children, 0);
var OverloadIndex = HasOverloads ? ReadLEB128_Int() : 0;
for (var i = 0; i < Overloads.Functions.Count; i++)
{
var OverloadFunc = Overloads.Functions[i];
if (OverloadFunc.OverloadIndex == OverloadIndex)
{
throw new InvalidAssemblyException("Function with the same overload index");
}
/*
* if (Function.AreParametersSame(OverloadFunc))
* throw new InvalidAssemblyException("Function with the same name and parameters");*/
}
Function.OverloadIndex = OverloadIndex;
Overloads.Functions.Add(Function);
if ((Flags & IdentifierFlags.Virtual) != 0)
{
var MemberFunc = Function as MemberFunction;
MemberFunc.VirtualIndex = ReadLEB128_Int();
if ((Flags & IdentifierFlags.Override) != 0)
{
ReadReferenceDeclared(MemberFunc, ReferenceDestination.OverriddenId, -1);
}
}
Function.GlobalPointerIndex = ReadLEB128_Int();
}
else if (DeclaredIdType == DeclaredIdType.Destructor)
{
if (HasName)
{
throw new InvalidAssemblyException("Destructors cannot have name");
}
if (StructuredScope == null)
{
throw new InvalidAssemblyException("Invalid container");
}
var Function = new Destructor(Container, null, new CodeString());
ReadReference(Function, ReferenceDestination.Children, 0);
Function.GlobalPointerIndex = ReadLEB128_Int();
Ret = Function;
}
else if (DeclaredIdType == DeclaredIdType.Variable)
{
if (IsGlobal)
{
Ret = new GlobalVariable(Container, Name, null);
}
else
{
Ret = new MemberVariable(Container, Name, null);
}
ReadReference(Ret, ReferenceDestination.Children, 0);
if (!IsGlobal)
{
var MemVar = Ret as MemberVariable;
MemVar.Offset = ReadLEB128_Int();
}
else
{
var Global = Ret as GlobalVariable;
Global.GlobalPointerIndex = ReadLEB128_Int();
}
}
else if (DeclaredIdType == DeclaredIdType.Constant)
{
var Const = new ConstVariable(Container, Name, null, null);
ReadReference(Const, ReferenceDestination.Children, 0);
Const.ConstInitValue = ReadConst();
Ret = Const;
}
else if (DeclaredIdType == DeclaredIdType.Property)
{
var Property = new Property(Container, Name, (Type)null);
var PScope = new PropertyScope(Container, new CodeString(), Property);
Container.Children.Add(PScope);
Property.PropertyScope = PScope;
ReadReference(Property, ReferenceDestination.Children, 0);
ReadParameterReferences(Property);
var Data = Reader.ReadByte();
if ((Data & 1) != 0)
{
PScope.Getter = ReadIdentifer(PScope, Property) as Function;
}
if ((Data & 2) != 0)
{
PScope.Setter = ReadIdentifer(PScope, Property) as Function;
}
Ret = Property;
}
else if (DeclaredIdType == DeclaredIdType.Namespace)
{
var Scope = Container as NamespaceScope;
if (Scope == null)
{
throw new InvalidAssemblyException("Invalid container");
}
if (Access != IdentifierAccess.Public)
{
throw new InvalidAssemblyException("Invalid access");
}
var Options = new GetIdOptions()
{
Func = x => x is Namespace
};
var Namespace = Identifiers.GetMember(State, Parent, Name, Options) as Namespace;
if (Namespace == null)
{
Ret = Namespace = new Namespace(Container, Name);
}
var NewScope = new NamespaceScope(Container, new CodeString(), Namespace);
Container.Children.Add(NewScope);
Namespace.AddScope(NewScope);
ReadIdList(NewScope, Namespace);
}
else
{
throw new InvalidAssemblyException("Invalid identifier type");
}
if (Ret != null)
{
if (HasSpecialName)
{
Ret.AssemblyName = AssemblyName;
}
Ret.Access = Access;
Ret.Flags = Flags;
Ret.DescPosition = IdPos;
CurrentAssembly.Ids.Add(IdPos, Ret);
}
return(Ret);
}
public bool Declare(bool AddUsingLate = false)
{
var State = Scope.State;
var Rec = State.Language.NamespaceDeclRecognizer;
for (var i = 0; i < Names.Count; i++)
{
if (!Names[i].IsValidIdentifierName)
{
State.Messages.Add(MessageId.NotValidName, Names[i]);
return(false);
}
}
if (Type == NamespaceDeclType.Declare)
{
var Options = new GetIdOptions();
Options.Func = x => x is Namespace;
Namespace = Scope.Namespace;
NewScope = Scope;
for (var i = 0; i < Names.Count; i++)
{
Namespace = Identifiers.GetMember(State, Namespace, Names[i], Options) as Namespace;
if (Namespace == null)
{
Namespace = new Namespace(NewScope, Names[i]);
if (!NewScope.DeclareIdentifier(Namespace))
{
return(false);
}
}
var OldScope = NewScope;
var NewInner = i == Names.Count - 1 ? Inner : new CodeString();
NewScope = new NamespaceScope(OldScope, NewInner, Namespace);
OldScope.Children.Add(NewScope);
Namespace.AddScope(NewScope);
}
}
else
{
var Options = GetIdOptions.Default;
Options.Func = x => x is Namespace;
Namespace = Identifiers.Recognize(Scope, Names[0], Options) as Namespace;
if (Namespace == null)
{
return(false);
}
for (var i = 1; i < Names.Count; i++)
{
Namespace = Identifiers.GetMember(State, Namespace, Names[i]) as Namespace;
if (Namespace == null)
{
return(false);
}
}
if (!AddUsingLate)
{
Scope.UsedNamespaces.Add(Namespace);
}
}
return(true);
}
