/// <summary>
/// Clones the specified generic parameter.
/// </summary>
/// <param name="genericParameter">The generic parameter.</param>
/// <param name="methodDefinition">The method definition.</param>
/// <returns></returns>
public static GenericParam Clone(this GenericParam genericParameter, MethodDef methodDefinition)
{
var newGenericParameter = new GenericParamUser(genericParameter.Number, genericParameter.Flags, genericParameter.Name);
newGenericParameter.GenericParamConstraints.AddRange(genericParameter.GenericParamConstraints.Select(c => c.Clone()));
return(newGenericParameter);
}
internal bool RegisterGeneric(TypeSig t)
{
Debug.Assert(t != null, $"{nameof(t)} != null");
// This is a temporary fix.
// Type visibility should be handled in a much better way which would involved some analysis.
var typeDef = t.ToTypeDefOrRef().ResolveTypeDef();
if (typeDef != null && !typeDef.IsVisibleOutside())
{
return(false);
}
// Get proper type.
t = SignatureUtils.GetLeaf(t);
// scrambling voids leads to peverify errors, better leave them out.
if (t.ElementType == ElementType.Void)
{
return(false);
}
if (!Generics.ContainsKey(t))
{
GenericParam newGenericParam;
if (t.IsGenericMethodParameter)
{
var mVar = t.ToGenericMVar();
Debug.Assert(mVar != null, $"{nameof(mVar)} != null");
newGenericParam = new GenericParamUser(GenericCount, mVar.GenericParam.Flags, $"T{GenericCount}")
{
Rid = mVar.Rid
};
}
else if (t.IsGenericTypeParameter)
{
var tVar = t.ToGenericVar();
Debug.Assert(tVar != null, $"{nameof(tVar)} != null");
newGenericParam = new GenericParamUser(GenericCount, tVar.GenericParam.Flags, $"T{GenericCount}")
{
Rid = tVar.Rid
};
}
else
{
newGenericParam = new GenericParamUser(GenericCount, GenericParamAttributes.NoSpecialConstraint, $"T{GenericCount}");
}
Generics.Add(t, newGenericParam);
GenericCount++;
_trueTypes.Add(t);
return(true);
}
else
{
return(false);
}
}
GenericParam Clone(GenericParam gp)
{
var clone = new GenericParamUser(gp.Number, gp.Flags, gp.Name);
foreach (var gpc in gp.GenericParamConstraints)
{
clone.GenericParamConstraints.Add(Clone(gpc));
}
return(clone);
}
public GenericParam Resolve(ISearchContext context)
{
GenericParam result = new GenericParamUser(Number, Attributes, Name);
foreach (GenericParameterConstraint constraint in Constraints)
{
result.GenericParamConstraints.Add(context.Get(constraint));
}
return(result);
}
private MethodDef CreateFactoryMethodNoParameters(ITypeService service, ModuleDef module)
{
var instancevar = new GenericParamUser(0, GenericParamAttributes.NoSpecialConstraint, "t");
var mvar = new GenericMVar(0);
var typeSpec = new TypeSpecUser(mvar);
var local = new Local(mvar);
var rtHandle = new Local(module.Import(typeof(RuntimeTypeHandle)).ToTypeSig());
var method = new MethodDefUser("create", new MethodSig(CallingConvention.Default, 1, mvar), MethodAttributes.Static);
method.GenericParameters.Add(instancevar);
var gettype = typeof(Type).GetMethod("GetTypeFromHandle");
var comparetypes = typeof(Type).GetMethod("op_Equality");
var i = new List <Instruction>();
i.Add(Instruction.Create(OpCodes.Ldtoken, typeSpec));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Stloc, rtHandle));
foreach (var mr in ObjectCreationRef)
{
Instruction endjump = Instruction.Create(OpCodes.Nop);
i.Add(Instruction.Create(OpCodes.Ldloc, rtHandle));
i.Add(Instruction.Create(OpCodes.Ldtoken, mr.DeclaringType));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Call, module.Import(comparetypes)));
i.Add(Instruction.Create(OpCodes.Brfalse_S, endjump));
i.Add(Instruction.Create(OpCodes.Newobj, mr));
i.Add(Instruction.Create(OpCodes.Ret));
i.Add(endjump);
}
i.Add(Instruction.Create(OpCodes.Ldloca_S, local));
i.Add(Instruction.Create(OpCodes.Initobj, typeSpec));
i.Add(Instruction.Create(OpCodes.Ldloc, local));
i.Add(Instruction.Create(OpCodes.Ret));
method.Body = new CilBody(true, i, new ExceptionHandler[0], new Local[] { local, rtHandle });
return(method);
}
// Copies most things but not everything
public static MethodDef Clone(MethodDef method)
{
var newMethod = new MethodDefUser(method.Name, method.MethodSig, method.ImplAttributes, method.Attributes);
newMethod.Rid = method.Rid;
newMethod.DeclaringType2 = method.DeclaringType;
foreach (var pd in method.ParamDefs)
{
newMethod.ParamDefs.Add(new ParamDefUser(pd.Name, pd.Sequence, pd.Attributes));
}
foreach (var gp in method.GenericParameters)
{
var newGp = new GenericParamUser(gp.Number, gp.Flags, gp.Name);
foreach (var gpc in gp.GenericParamConstraints)
{
newGp.GenericParamConstraints.Add(new GenericParamConstraintUser(gpc.Constraint));
}
newMethod.GenericParameters.Add(newGp);
}
newMethod.Body = new CilBody();
CopyBodyFromTo(method, newMethod);
return(newMethod);
}
// Copies most things but not everything
public static MethodDef Clone(MethodDef method) {
var newMethod = new MethodDefUser(method.Name, method.MethodSig, method.ImplAttributes, method.Attributes);
newMethod.Rid = method.Rid;
newMethod.DeclaringType2 = method.DeclaringType;
foreach (var pd in method.ParamDefs)
newMethod.ParamDefs.Add(new ParamDefUser(pd.Name, pd.Sequence, pd.Attributes));
foreach (var gp in method.GenericParameters) {
var newGp = new GenericParamUser(gp.Number, gp.Flags, gp.Name);
foreach (var gpc in gp.GenericParamConstraints)
newGp.GenericParamConstraints.Add(new GenericParamConstraintUser(gpc.Constraint));
newMethod.GenericParameters.Add(newGp);
}
newMethod.Body = new CilBody();
CopyBodyFromTo(method, newMethod);
return newMethod;
}
private static void ReMethodDef(MethodDef method, ModuleDef module)
{
ReCustomAttributes(method, module);
var newtype = ReferenceType(method.ReturnType, module);
if (newtype != null)
method.ReturnType = newtype;
for (int i = 0; i < method.ParamDefs.Count; ++i)
{
var p = method.ParamDefs[i];
ReCustomAttributes(p, module);
}
for (int i = 0; i < method.Parameters.Count; ++i)
{
var p = method.Parameters[i];
if (p.HasParamDef)
ReCustomAttributes(p.ParamDef, module);
var newparam = ReferenceType(p.Type, module);
if (newtype == null)
continue;
p.Type = newparam;
}
for (int i = 0; i < method.GenericParameters.Count; ++i)
{
var genep = method.GenericParameters[i];
ReCustomAttributes(genep, module);
var negp = new GenericParamUser(genep.Number, genep.Flags, genep.Name);
foreach (var ca in genep.CustomAttributes)
{
negp.CustomAttributes.Add(ca);
}
method.GenericParameters[i] = negp;
}
ReMethodSig(method.MethodSig, module);
}
private MethodDef CreateFactory(ITypeService service, ModuleDef module, int paramNumber, IList <IMethodDefOrRef> methods)
{
var declaringTypeGeneric = new GenericParamUser(0, GenericParamAttributes.NoSpecialConstraint, "t");
var declaringTypeGenericMVar = new GenericMVar(0);
var pGenericTypeSpecs = Enumerable.Range(1, paramNumber).Select((x) => new TypeSpecUser(new GenericMVar(x))).ToArray();
var returnGeneric = new GenericMVar(paramNumber + 1);//last generic is return type
var typeSpec = new TypeSpecUser(declaringTypeGenericMVar);
var local = new Local(declaringTypeGenericMVar);
var rtHandle = new Local(module.Import(typeof(RuntimeTypeHandle)).ToTypeSig());
var methodSig = new MethodSig(CallingConvention.Default, 1,
returnGeneric,
//Method index
Enumerable.Range(1, paramNumber)
.Select(x => new GenericMVar(x))
.Concat(new TypeSig[] { module.CorLibTypes.UInt32 }) //Index
.ToArray());
var method = new MethodDefUser("call", methodSig, MethodAttributes.Static);
method.GenericParameters.Add(declaringTypeGeneric);
for (ushort genericNum = 1; genericNum < paramNumber + 2 /*declare type / return type */; genericNum++)
{
method.GenericParameters.Add(new GenericParamUser(genericNum, GenericParamAttributes.NoSpecialConstraint, "p" + genericNum.ToString()));
}
var gettype = typeof(Type).GetMethod("GetTypeFromHandle");
var comparetypes = typeof(Type).GetMethod("op_Equality");
var i = new List <Instruction>();
i.Add(Instruction.Create(OpCodes.Ldtoken, typeSpec));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Stloc, rtHandle));
var retDef = new Instruction[] {
Instruction.Create(OpCodes.Ldloca_S, local),
Instruction.Create(OpCodes.Initobj, new TypeSpecUser(returnGeneric)),
Instruction.Create(OpCodes.Ldloc, local),
Instruction.Create(OpCodes.Ret),
};
foreach (var mr in methods)
{
Instruction endjump = Instruction.Create(OpCodes.Nop);
//Calling type
i.Add(Instruction.Create(OpCodes.Ldloc, rtHandle));
i.Add(Instruction.Create(OpCodes.Ldtoken, mr.DeclaringType));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Call, module.Import(comparetypes)));
i.Add(Instruction.Create(OpCodes.Brfalse_S, endjump));
//method index
i.Add(Instruction.Create(OpCodes.Ldarg, new Parameter(paramNumber)));
i.Add(Instruction.Create(OpCodes.Ldc_I4, GetIndexOfMethodInDeclaringType(mr)));
i.Add(Instruction.Create(OpCodes.Ceq));
i.Add(Instruction.Create(OpCodes.Brfalse_S, endjump));
//params
for (int index = 0; index < mr.MethodSig.Params.Count; index++)
{
i.Add(Instruction.Create(OpCodes.Ldtoken, pGenericTypeSpecs[index]));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Ldtoken, new TypeSpecUser(mr.MethodSig.Params[index])));
i.Add(Instruction.Create(OpCodes.Call, module.Import(gettype)));
i.Add(Instruction.Create(OpCodes.Call, module.Import(comparetypes)));
i.Add(Instruction.Create(OpCodes.Brfalse_S, endjump));
}
for (int index = 0; index < paramNumber; index++)
{
i.Add(Instruction.Create(OpCodes.Ldarg, new Parameter(index)));
}
i.Add(Instruction.Create(OpCodes.Call, mr));
if (mr.MethodSig.RetType != module.CorLibTypes.Void)
{
i.Add(Instruction.Create(OpCodes.Ret));
}
else
{
// i.AddRange(retDef);
}
i.Add(endjump);
}
i.AddRange(retDef);
method.Body = new CilBody(true, i, new ExceptionHandler[0], new Local[] { local, rtHandle });
// method.Body.KeepOldMaxStack = true;
return(method);
}