public static void ImportReferences(ModuleDefinition m)
{
foreach (var t in m.Types)
{
TypeVisitor.VisitAllMemberRefs(t, x => {
if (x is MethodReference)
{
return(m.ImportReference((MethodReference)x));
}
if (x is FieldReference)
{
return(m.ImportReference((FieldReference)x));
}
return(x);
});
TypeVisitor.ReplaceTypeRefs(t, x => m.ImportReference(x));
foreach (var c in t.CustomAttributes)
{
c.Constructor = m.ImportReference(c.Constructor);
}
foreach (var me in t.Methods)
{
foreach (var c in me.CustomAttributes)
{
c.Constructor = m.ImportReference(c.Constructor);
}
}
}
}
public void TransformIL(TypeDefinition t)
{
TypeVisitor.ReplaceTypeRefs(t, x => {
if (x.IsArray)
{
return(GetArrayType(GetArraySize(x)));
}
return(x);
}
);
foreach (var m in t.Methods)
{
if (!m.HasBody)
{
continue;
}
var ilp = m.Body.GetILProcessor();
for (int idx = 0; idx < m.Body.Instructions.Count; idx++)
{
var inst = m.Body.Instructions[idx];
if (IsLdelm(inst.OpCode))
{
var at = GetArrayType(GetArraySize(inst.OpCode));
var getter = at.Methods.Single(x => x.Name == "Get");
ilp.Replace(inst, ilp.Create(OpCodes.Call, getter));
}
if (IsStelm(inst.OpCode))
{
var at = GetArrayType(GetArraySize(inst.OpCode));
var setter = at.Methods.Single(x => x.Name == "Set");
ilp.Replace(inst, ilp.Create(OpCodes.Call, setter));
}
if (inst.OpCode == OpCodes.Ldlen)
{
// todo add Array_GetLength function
var at = GetArrayType(EArrayType._1);
var length = at.Methods.Single(x => x.Name == "GetLength");
ilp.Replace(inst, ilp.Create(OpCodes.Call, length));
}
if (inst.OpCode == OpCodes.Newarr)
{
var elemType = (inst.Operand as TypeReference).Resolve();
var arrayType = GetArrayType(GetArraySize(elemType));
var newRef = arrayType.Methods.Single(x => x.Name == "new");
ilp.Replace(inst, ilp.Create(OpCodes.Call, newRef));
}
if (inst.OpCode == OpCodes.Ldelema || inst.OpCode == OpCodes.Ldelem_Any || inst.OpCode == OpCodes.Stelem_Any)
{
throw new NotImplementedException();
}
}
}
}
public static void Optimize(TypeDefinition t)
{
// C only knows pointers but no references. Replace with pointers;
//Type
TypeVisitor.ReplaceTypeRefs(t, x => x.IsByReference ? new PointerType(x.GetElementType()) : x);
}