internal ClassLayout(ushort pack, uint cSize, ClassDef par)
{
packSize = pack;
classSize = cSize;
parent = par;
tabIx = MDTable.ClassLayout;
}
/*-------------------- Constructors ---------------------------------*/
internal Feature(string name, ClassDef par)
{
parent = par;
this.name = name;
}
internal static void Read(PEReader buff, TableRow[] typeDefs, bool isMSCorLib)
{
Contract.Requires(buff != null);
Contract.Requires(typeDefs != null);
ClassDef prevDef = new ClassDef(buff, 1, isMSCorLib);
typeDefs[0] = prevDef;
for (int i = 1; i < typeDefs.Length; i++)
{
ClassDef typeDef = new ClassDef(buff, (uint)i + 1, isMSCorLib);
prevDef.fieldEndIx = typeDef.fieldIx;
prevDef.methodEndIx = typeDef.methodIx;
prevDef = typeDef;
typeDefs[i] = typeDef;
}
prevDef.fieldEndIx = buff.GetTableSize(MDTable.Field) + 1;
prevDef.methodEndIx = buff.GetTableSize(MDTable.Method) + 1;
}
internal void SetParent(ClassDef par)
{
parent = par;
}
internal NestedClassDef MakeNestedClass(ClassDef parent)
{
Contract.Requires(parent != null);
NestedClassDef nClass = new NestedClassDef(parent, (TypeAttr)flags, Name);
ClassDef tmp = nClass;
tmp.fieldIx = fieldIx;
tmp.fieldEndIx = fieldEndIx;
tmp.methodIx = methodIx;
tmp.methodEndIx = methodEndIx;
tmp.extendsIx = extendsIx;
tmp.Row = Row;
parent.nestedClasses.Add(nClass);
return nClass;
}
internal void SetDefaultClass(ClassDef dClass)
{
Contract.Requires(dClass != null);
defaultClass = dClass;
}
/// <summary>
/// Add a class to this module
/// If this class already exists, throw an exception
/// </summary>
/// <param name="aClass">The class to be added</param>
public void AddClass(ClassDef aClass)
{
Contract.Requires(aClass != null);
ClassDef eClass = GetClass(aClass.NameSpace, aClass.Name);
if (eClass != null)
throw new DescriptorException("Class " + aClass.NameString());
classes.Add(aClass);
// MERGE change Refs to Defs here, fix this
aClass.SetScope((PEFile)this);
}
/*-------------------- Constructors ---------------------------------*/
internal Module(string mName)
: base(GetBaseName(mName))
{
mvid = Guid.NewGuid();
//isDLL = name.EndsWith(".dll") || name.EndsWith(".DLL");
defaultClass = new ClassDef((PEFile)this, TypeAttr.Private, "", "<Module>");
defaultClass.MakeSpecial();
tabIx = MDTable.Module;
ismscorlib = name.ToLower() == "mscorlib.dll";
if (Diag.DiagOn) Console.WriteLine("Module name = " + name);
// FIXME Contract.Ensures(defaultClass != null);
}
internal override void Resolve(PEReader buff)
{
theClass = (ClassDef)buff.GetElement(MDTable.TypeDef, classIx);
theInterface = (Class)buff.GetCodedElement(CIx.TypeDefOrRef, interfacesIndex);
theClass.AddImplementedInterface(this);
}
internal InterfaceImpl(ClassDef theClass, TableRow theInterface)
{
Contract.Requires(theClass != null);
Contract.Requires(theInterface != null);
this.theClass = theClass;
this.theInterface = (Class)theInterface;
tabIx = MDTable.InterfaceImpl;
}
internal static string[] ReadNames(PEReader buff, ClassDef theClass, uint classIx)
{
return Feature.GetFeatureNames(buff, MDTable.Event, MDTable.EventMap, theClass, classIx);
}
internal void ChangeRefsToDefs(ClassDef newType, ClassDef[] oldTypes)
{
throw new NotYetImplementedException("Merge for Properties");
}
/*-------------------- Constructors ---------------------------------*/
internal Event(string name, Type eType, ClassDef parent)
: base(name, parent)
{
eventType = eType;
tabIx = MDTable.Event;
}
/*-------------------- Constructors ---------------------------------*/
internal Property(string name, Type retType, Type[] pars, ClassDef parent)
: base(name, parent)
{
returnType = retType;
parList = pars;
if (pars != null) numPars = (uint)pars.Length;
tabIx = MDTable.Property;
}
internal static string[] GetFeatureNames(PEReader buff, MDTable tabIx, MDTable mapTabIx,
ClassDef theClass, uint classIx)
{
buff.SetElementPosition(mapTabIx, 0);
uint start = 0;
uint i = 0;
for (; (i < buff.GetTableSize(tabIx)) && (start == 0); i++)
{
if (buff.GetIndex(MDTable.TypeDef) == classIx)
{
start = buff.GetIndex(tabIx);
}
}
if (start == 0) return null;
uint end;
if (i < buff.GetTableSize(mapTabIx))
{
uint junk = buff.GetIndex(MDTable.TypeDef);
end = buff.GetIndex(tabIx);
}
else
end = buff.GetTableSize(tabIx);
if (tabIx == MDTable.Event)
theClass.eventIx = start;
else
theClass.propIx = start;
string[] names = new string[end - start];
buff.SetElementPosition(tabIx, start);
for (i = start; i < end; i++)
{
uint junk = buff.ReadUInt16();
names[i] = buff.GetString();
if (tabIx == MDTable.Event)
junk = buff.GetCodedIndex(CIx.TypeDefOrRef);
else
junk = buff.GetBlobIx();
}
return names;
}
internal void ChangeRefsToDefs(ClassDef newPar, ClassDef[] oldTypes)
{
parent = newPar;
bool changeType = false;
for (int i = 0; i < oldTypes.Length && !changeType; i++)
{
if (type == oldTypes[i])
type = newPar;
}
}
internal void ChangeRefsToDefs(ClassDef newPar, ClassDef[] oldTypes)
{
parent = newPar;
sig.ChangeParTypes(newPar, oldTypes);
if (code != null)
code.ChangeRefsToDefs(newPar, oldTypes);
}
internal void ChangeRefsToDefs(ClassDef newType, ClassDef[] oldTypes)
{
foreach (ClassDef oldType in oldTypes)
{
if (retType == oldType) retType = newType;
for (int j = 0; j < numPars; j++)
{
if (parTypes[j] == oldType)
parTypes[j] = newType;
}
for (int j = 0; j < numOptPars; j++)
{
if (optParTypes[j] == oldType)
optParTypes[j] = newType;
}
}
}
/*------------------------- public set and get methods --------------------------*/
/// <summary>
/// Add a class to this Module
/// If this class already exists, throw an exception
/// </summary>
/// <param name="attrSet">attributes of this class</param>
/// <param name="nsName">name space name</param>
/// <param name="name">class name</param>
/// <returns>a descriptor for this new class</returns>
public ClassDef AddClass(TypeAttr attrSet, string nsName, string name)
{
//FIXME Contract.Requires(classes != null);
ClassDef aClass = GetClass(nsName, name);
if (aClass != null)
throw new DescriptorException("Class " + aClass.NameString());
aClass = new ClassDef((PEFile)this, attrSet, nsName, name);
classes.Add(aClass);
return aClass;
}
internal void ChangeRefsToDefs(ClassDef newType, ClassDef[] oldTypes)
{
for (int i = 0; i < tide; i++) {
if (buffer[i] is SigInstr) {
CalliSig sig = ((SigInstr)buffer[i]).GetSig();
sig.ChangeRefsToDefs(newType, oldTypes);
}
else if (buffer[i] is TypeInstr) {
TypeInstr tinst = (TypeInstr)buffer[i];
if (tinst.GetTypeArg() is ClassDef) {
ClassDef iType = (ClassDef)tinst.GetTypeArg();
bool changed = false;
for (int j = 0; (j < oldTypes.Length) && !changed; j++) {
if (iType == oldTypes[j])
tinst.SetTypeArg(newType);
}
}
}
}
}
internal bool isDefaultClass(ClassDef aClass)
{
return aClass == defaultClass;
}
internal override void Resolve(PEReader buff)
{
parent = (ClassDef)buff.GetElement(MDTable.TypeDef, parentIx);
if (parent != null) parent.Layout = this;
}
internal void ChangeRefsToDefs(ClassDef newType, ClassDef[] oldTypes)
{
Contract.Requires(newType != null);
Contract.Requires(oldTypes != null);
foreach (ClassDef oldType in oldTypes)
{
foreach (object field in oldType.fields)
((FieldDef)field).ChangeRefsToDefs(this, oldTypes);
foreach (object method in oldType.methods)
((MethodDef)method).ChangeRefsToDefs(this, oldTypes);
foreach (object evnt in oldType.events)
((Event)evnt).ChangeRefsToDefs(this, oldTypes);
foreach (object property in oldType.properties)
((Property)property).ChangeRefsToDefs(this, oldTypes);
foreach (object interfc in oldType.interfaces)
((ClassDef)interfc).ChangeRefsToDefs(this, oldTypes);
foreach (object methodImpl in oldType.methodImpls)
((MethodImpl)methodImpl).ChangeRefsToDefs(this, oldTypes);
foreach (object nestedClass in oldType.nestedClasses)
((ClassDef)nestedClass).ChangeRefsToDefs(this, oldTypes);
}
}
/*-------------------- Constructors ---------------------------------*/
internal ClassLayout(int pack, int cSize, ClassDef par)
: this((ushort) pack, (uint) cSize, par)
{
}
/*-------------------- Constructors ---------------------------------*/
internal NestedClassDef(ClassDef parent, TypeAttr attrSet, string name)
: base(parent.GetScope(), attrSet, "", name)
{
this.parent = parent;
}
internal static ClassLayout FindLayout(PEReader buff, ClassDef paren, uint classIx)
{
Contract.Requires(buff != null);
Contract.Requires(paren != null);
buff.SetElementPosition(MDTable.ClassLayout, 0);
for (int i = 0; i < buff.GetTableSize(MDTable.ClassLayout); i++)
{
ushort packSize = buff.ReadUInt16();
uint classSize = buff.ReadUInt32();
if (buff.GetIndex(MDTable.TypeDef) == classIx)
return new ClassLayout(packSize, classSize, paren);
}
return null;
}
public void MergeClasses(ClassDef[] classes)
{
// FIXME Contract.Requires(methods != null);
Contract.Requires(classes != null);
ChangeRefsToDefs(this, classes);
foreach (ClassDef cls in classes)
{
fields.AddRange(cls.fields);
methods.AddRange(cls.methods);
events.AddRange(cls.events);
properties.AddRange(cls.properties);
interfaces.AddRange(cls.interfaces);
methodImpls.AddRange(cls.methodImpls);
nestedClasses.AddRange(cls.nestedClasses);
}
}
internal void ReadMethodImpls(ClassDef theClass, uint classIx)
{
Contract.Requires(theClass != null);
SetElementPosition(MDTable.InterfaceImpl, 0);
for (int i = 0; (i < tableLengths[(int)MDTable.MethodImpl]); i++)
{
uint clIx = GetIndex(MDTable.TypeDef);
uint bodIx = GetCodedIndex(CIx.MethodDefOrRef);
uint declIx = GetCodedIndex(CIx.MethodDefOrRef);
if (clIx == classIx)
{
MethodImpl mImpl = new MethodImpl(this, theClass, bodIx, declIx);
theClass.AddMethodImpl(mImpl);
tables[(int)MDTable.MethodImpl][i] = mImpl;
}
}
}
internal void ChangeParTypes(ClassDef newType, ClassDef[] oldTypes)
{
Contract.Requires(newType != null);
Contract.Requires(oldTypes != null);
foreach (ClassDef oldType in oldTypes)
{
if (retType == oldType) retType = newType;
for (int j = 0; j < numPars; j++)
{
if (parTypes[j] == oldType)
parTypes[j] = newType;
}
for (int j = 0; j < numOptPars; j++)
{
if (optParTypes[j] == oldType)
optParTypes[j] = newType;
}
}
}
internal virtual void ResolveParent(PEReader buff, bool isExtern)
{
CIx cIx = CIx.ResolutionScope;
if (isExtern) cIx = CIx.Implementation;
if (scope != null) return;
MetaDataElement parentScope = buff.GetCodedElement(cIx, resScopeIx);
if (parentScope is Module)
{ // special code for glitch in Everett ilasm
ClassDef newDef = new ClassDef((PEFile)parentScope, 0, NameSpace, Name);
((Module)parentScope).AddToClassList(newDef);
buff.InsertInTable(MDTable.TypeRef, Row, newDef);
}
else
{
scope = (ReferenceScope)buff.GetCodedElement(cIx, resScopeIx);
ClassRef existing = (ClassRef)scope.GetExistingClass(NameSpace, Name);
if (existing == null)
{
scope.AddToClassList(this);
}
else
{
if (isExtern)
buff.InsertInTable(MDTable.ExportedType, Row, existing);
else
buff.InsertInTable(MDTable.TypeRef, Row, existing);
}
}
}
