public MosaMethod LoadGenericMethodInstance(IMethodDefOrRef method, IList <TypeSig> genericArguments, GenericArgumentResolver resolver)
{
var declType = GetType(resolver.Resolve(method.DeclaringType.ToTypeSig()));
MDToken token;
if (method is MethodDef)
{
token = ((MethodDef)method).MDToken;
}
else
{
token = ((MemberRef)method).ResolveMethodThrow().MDToken;
}
MosaMethod mosaMethod = null;
UnitDesc <MethodDef, MethodSig> desc = null;
foreach (var m in declType.Methods)
{
desc = m.GetUnderlyingObject <UnitDesc <MethodDef, MethodSig> >();
if (desc.Token.Token == token)
{
mosaMethod = m;
break;
}
}
if (mosaMethod == null)
{
throw new AssemblyLoadException();
}
var genericArgs = new List <TypeSig>();
foreach (var genericArg in genericArguments)
{
genericArgs.Add(resolver.Resolve(genericArg));
}
resolver.PushMethodGenericArguments(genericArgs);
// Check for existing generic method instance
var newSig = resolver.Resolve(method.MethodSig);
// Need to make sure we pop otherwise it will cause bugs
resolver.PopMethodGenericArguments();
var comparer = new SigComparer();
foreach (var m in declType.Methods)
{
var mDesc = m.GetUnderlyingObject <UnitDesc <MethodDef, MethodSig> >();
if (mDesc.Definition != desc.Definition || !comparer.Equals(mDesc.Signature, newSig))
{
continue;
}
if (!newSig.ContainsGenericParameter && newSig.GenParamCount > 0)
{
return(m);
}
}
mosaMethod = metadata.Controller.CreateMethod(mosaMethod);
using (var _mosaMethod = metadata.Controller.MutateMethod(mosaMethod))
{
bool hasOpening = mosaMethod.DeclaringType.HasOpenGenericParams;
foreach (var genericArg in genericArgs)
{
hasOpening |= genericArg.HasOpenGenericParameter();
_mosaMethod.GenericArguments.Add(GetType(genericArg));
}
_mosaMethod.UnderlyingObject = desc.Clone(newSig);
_mosaMethod.DeclaringType = declType;
_mosaMethod.HasOpenGenericParams = hasOpening;
}
using (var decl = metadata.Controller.MutateType(declType))
decl.Methods.Add(mosaMethod);
metadata.Resolver.EnqueueForResolve(mosaMethod);
return(mosaMethod);
}
private MosaType LoadGenericTypeInstanceSig(GenericInstSig typeSig)
{
//Debug.Assert(false, typeSig.FullName);
var origin = GetType(typeSig.GenericType);
var result = metadata.Controller.CreateType(origin);
var desc = result.GetUnderlyingObject <UnitDesc <TypeDef, TypeSig> >();
using (var resultType = metadata.Controller.MutateType(result))
{
resultType.UnderlyingObject = desc.Clone(typeSig);
resultType.ElementType = origin;
foreach (var genericArg in typeSig.GenericArguments)
{
resultType.GenericArguments.Add(GetType(genericArg));
}
metadata.Resolver.EnqueueForResolve(result);
var resolver = new GenericArgumentResolver();
resolver.PushTypeGenericArguments(typeSig.GenericArguments);
for (int i = 0; i < result.Methods.Count; i++)
{
var method = metadata.Controller.CreateMethod(result.Methods[i]);
using (var mosaMethod = metadata.Controller.MutateMethod(method))
{
mosaMethod.DeclaringType = result;
mosaMethod.UnderlyingObject = method.GetUnderlyingObject <UnitDesc <MethodDef, MethodSig> >();
}
resultType.Methods[i] = method;
metadata.Resolver.EnqueueForResolve(method);
}
for (int i = 0; i < result.Fields.Count; i++)
{
var field = metadata.Controller.CreateField(result.Fields[i]);
using (var mosaField = metadata.Controller.MutateField(field))
{
mosaField.DeclaringType = result;
mosaField.UnderlyingObject = field.GetUnderlyingObject <UnitDesc <FieldDef, FieldSig> >();
}
resultType.Fields[i] = field;
metadata.Resolver.EnqueueForResolve(field);
}
for (int i = 0; i < result.Properties.Count; i++)
{
var property = metadata.Controller.CreateProperty(result.Properties[i]);
var newSig = property.GetPropertySig().Clone();
newSig.RetType = resolver.Resolve(newSig.RetType);
using (var mosaProperty = metadata.Controller.MutateProperty(property))
{
mosaProperty.DeclaringType = result;
mosaProperty.UnderlyingObject = property.GetUnderlyingObject <UnitDesc <PropertyDef, PropertySig> >();
}
resultType.Properties[i] = property;
metadata.Resolver.EnqueueForResolve(property);
}
resultType.HasOpenGenericParams = typeSig.HasOpenGenericParameter();
}
metadata.Controller.AddType(result);
return(result);
}
private MosaInstruction ResolveInstruction(MethodDef methodDef, CilBody body, int index, GenericArgumentResolver resolver)
{
Instruction instruction = body.Instructions[index];
int? prev = index == 0 ? null : (int?)body.Instructions[index - 1].Offset;
int? next = index == body.Instructions.Count - 1 ? null : (int?)body.Instructions[index + 1].Offset;
object operand = instruction.Operand;
// Special case: newarr instructions need to have their operand changed now so that the type is a SZArray
if (instruction.OpCode == OpCodes.Newarr)
{
var typeSig = resolver.Resolve(((ITypeDefOrRef)instruction.Operand).ToTypeSig());
var szArraySig = new SZArraySig(typeSig);
operand = metadata.Loader.GetType(szArraySig);
}
else if (instruction.Operand is ITypeDefOrRef)
{
operand = ResolveTypeOperand((ITypeDefOrRef)instruction.Operand, resolver);
}
else if (instruction.Operand is MemberRef)
{
MemberRef memberRef = (MemberRef)instruction.Operand;
if (memberRef.IsFieldRef)
{
operand = ResolveFieldOperand(memberRef, resolver);
}
else
{
operand = ResolveMethodOperand(memberRef, resolver);
}
}
else if (instruction.Operand is IField)
{
operand = ResolveFieldOperand((IField)instruction.Operand, resolver);
}
else if (instruction.Operand is IMethod)
{
operand = ResolveMethodOperand((IMethod)instruction.Operand, resolver);
}
else if (instruction.Operand is Local)
{
operand = ((Local)instruction.Operand).Index;
}
else if (instruction.Operand is Parameter)
{
operand = ((Parameter)instruction.Operand).Index;
}
else if (instruction.Operand is Instruction)
{
operand = (int)((Instruction)instruction.Operand).Offset;
}
else if (instruction.Operand is Instruction[])
{
Instruction[] targets = (Instruction[])instruction.Operand;
int[] offsets = new int[targets.Length];
for (int i = 0; i < offsets.Length; i++)
{
offsets[i] = (int)targets[i].Offset;
}
operand = offsets;
}
else if (instruction.Operand is string)
{
operand = metadata.Cache.GetStringId((string)instruction.Operand);
}
ushort code = (ushort)instruction.OpCode.Code;
if (code > 0xff) // To match compiler's opcode values
{
code = (ushort)(0x100 + (code & 0xff));
}
return(new MosaInstruction((int)instruction.Offset, code, operand, prev, next));
}
private MosaType ResolveTypeOperand(ITypeDefOrRef operand, GenericArgumentResolver resolver)
{
return(metadata.Loader.GetType(resolver.Resolve(operand.ToTypeSig())));
}
private void ResolveMethod(MosaMethod method)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
bool hasOpening = method.DeclaringType.HasOpenGenericParams;
if (method.DeclaringType.GenericArguments.Count > 0)
{
foreach (var i in method.DeclaringType.GenericArguments.GetGenericArguments())
{
hasOpening |= i.HasOpenGenericParameter();
}
resolver.PushTypeGenericArguments(method.DeclaringType.GenericArguments.GetGenericArguments());
}
if (method.GenericArguments.Count > 0)
{
foreach (var i in method.GenericArguments.GetGenericArguments())
{
hasOpening |= i.HasOpenGenericParameter();
}
resolver.PushMethodGenericArguments(method.GenericArguments.GetGenericArguments());
}
using (var mosaMethod = metadata.Controller.MutateMethod(method))
{
var desc = method.GetUnderlyingObject <UnitDesc <MethodDef, MethodSig> >();
MosaType returnType = metadata.Loader.GetType(resolver.Resolve(desc.Signature.RetType));
hasOpening |= returnType.HasOpenGenericParams;
List <MosaParameter> pars = new List <MosaParameter>();
Debug.Assert(desc.Signature.GetParamCount() + (desc.Signature.HasThis ? 1 : 0) == desc.Definition.Parameters.Count);
foreach (var param in desc.Definition.Parameters)
{
if (!param.IsNormalMethodParameter)
{
continue;
}
var paramType = metadata.Loader.GetType(resolver.Resolve(desc.Signature.Params[param.MethodSigIndex]));
var parameter = metadata.Controller.CreateParameter();
using (var mosaParameter = metadata.Controller.MutateParameter(parameter))
{
mosaParameter.Name = param.Name;
mosaParameter.ParameterAttributes = (MosaParameterAttributes)param.ParamDef.Attributes;
mosaParameter.ParameterType = paramType;
mosaParameter.DeclaringMethod = method;
ResolveCustomAttributes(mosaParameter, param.ParamDef);
}
pars.Add(parameter);
hasOpening |= paramType.HasOpenGenericParams;
}
mosaMethod.Signature = new MosaMethodSignature(returnType, pars);
foreach (var methodImpl in desc.Definition.Overrides)
{
Debug.Assert(methodImpl.MethodBody == desc.Definition);
mosaMethod.Overrides.Add(ResolveMethodOperand(methodImpl.MethodDeclaration, null));
}
if (desc.Definition.HasBody)
{
ResolveBody(desc.Definition, mosaMethod, desc.Definition.Body, resolver);
}
mosaMethod.HasOpenGenericParams = hasOpening;
ResolveCustomAttributes(mosaMethod, desc.Definition);
}
}