private void ResolveType(MosaType type)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
MosaType srcType = type;
if (type.GenericArguments.Count > 0)
{
resolver.PushTypeGenericArguments(type.GenericArguments.GetGenericArguments());
srcType = type.ElementType;
Debug.Assert(srcType != null);
}
using (var mosaType = metadata.Controller.MutateType(type))
{
if (srcType.BaseType != null)
mosaType.BaseType = metadata.Loader.GetType(resolver.Resolve(srcType.BaseType.GetTypeSig()));
if (srcType.DeclaringType != null)
{
mosaType.DeclaringType = metadata.Loader.GetType(resolver.Resolve(srcType.DeclaringType.GetTypeSig()));
mosaType.Namespace = srcType.DeclaringType.Namespace;
}
var ifaces = new List<MosaType>(srcType.Interfaces);
mosaType.Interfaces.Clear();
for (int i = 0; i < ifaces.Count; i++)
mosaType.Interfaces.Add(metadata.Loader.GetType(resolver.Resolve(ifaces[i].GetTypeSig())));
mosaType.HasOpenGenericParams = type.GetTypeSig().HasOpenGenericParameter();
ResolveCustomAttributes(mosaType, srcType.GetUnderlyingObject<UnitDesc<TypeDef, TypeSig>>().Definition);
}
// Add type again to make it easier to find
metadata.Controller.AddType(type);
}
private MosaType ResolveTypeOperand(ITypeDefOrRef operand, GenericArgumentResolver resolver)
{
return metadata.Loader.GetType(resolver.Resolve(operand.ToTypeSig()));
}
private MosaMethod ResolveMethodOperand(IMethod operand, GenericArgumentResolver resolver)
{
if (operand is MethodSpec)
return metadata.Loader.LoadGenericMethodInstance((MethodSpec)operand, resolver);
else if (operand.DeclaringType.TryGetArraySig() != null || operand.DeclaringType.TryGetSZArraySig() != null)
return ResolveArrayMethod(operand, resolver);
TypeSig declType;
MethodDef methodDef = operand as MethodDef;
if (methodDef == null)
{
MemberRef memberRef = (MemberRef)operand;
methodDef = memberRef.ResolveMethodThrow();
declType = memberRef.DeclaringType.ToTypeSig();
}
else
declType = methodDef.DeclaringType.ToTypeSig();
if (resolver != null)
declType = resolver.Resolve(declType);
MDToken methodToken = methodDef.MDToken;
MosaType type = metadata.Loader.GetType(declType);
foreach (var method in type.Methods)
{
var desc = method.GetUnderlyingObject<UnitDesc<MethodDef, MethodSig>>();
if (desc.Token.Token == methodToken)
{
return method;
}
}
throw new AssemblyLoadException();
}
private void ResolveProperty(MosaProperty property)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
if (property.DeclaringType.GenericArguments.Count > 0)
resolver.PushTypeGenericArguments(property.DeclaringType.GenericArguments.GetGenericArguments());
using (var mosaProperty = metadata.Controller.MutateProperty(property))
{
mosaProperty.PropertyType = metadata.Loader.GetType(resolver.Resolve(property.GetPropertySig().RetType));
ResolveCustomAttributes(mosaProperty, property.GetUnderlyingObject<UnitDesc<PropertyDef, PropertySig>>().Definition);
}
}
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 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);
}
}
private void ResolveField(MosaField field)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
if (field.DeclaringType.GenericArguments.Count > 0)
resolver.PushTypeGenericArguments(field.DeclaringType.GenericArguments.GetGenericArguments());
using (var mosaField = metadata.Controller.MutateField(field))
{
mosaField.FieldType = metadata.Loader.GetType(resolver.Resolve(field.GetFieldSig().Type));
mosaField.HasOpenGenericParams =
field.DeclaringType.HasOpenGenericParams ||
field.FieldType.GetTypeSig().HasOpenGenericParameter();
ResolveCustomAttributes(mosaField, field.GetUnderlyingObject<UnitDesc<FieldDef, FieldSig>>().Definition);
}
}
private MosaField ResolveFieldOperand(IField operand, GenericArgumentResolver resolver)
{
TypeSig declType;
FieldDef fieldDef = operand as FieldDef;
if (fieldDef == null)
{
MemberRef memberRef = (MemberRef)operand;
fieldDef = memberRef.ResolveFieldThrow();
declType = memberRef.DeclaringType.ToTypeSig();
}
else
declType = fieldDef.DeclaringType.ToTypeSig();
MDToken fieldToken = fieldDef.MDToken;
MosaType type = metadata.Loader.GetType(resolver.Resolve(declType));
foreach (var field in type.Fields)
{
var desc = field.GetUnderlyingObject<UnitDesc<FieldDef, FieldSig>>();
if (desc.Token.Token == fieldToken)
{
return field;
}
}
throw new AssemblyLoadException();
}
private MosaMethod ResolveArrayMethod(IMethod method, GenericArgumentResolver resolver)
{
MosaType type = metadata.Loader.GetType(resolver.Resolve(method.DeclaringType.ToTypeSig()));
if (method.Name == "Get")
return type.FindMethodByName("Get");
else if (method.Name == "Set")
return type.FindMethodByName("Set");
else if (method.Name == "AddressOf")
return type.FindMethodByName("AddressOf");
else if (method.Name == ".ctor")
return type.FindMethodByName(".ctor");
else
throw new AssemblyLoadException();
}
private void ResolveBody(MethodDef methodDef, MosaMethod.Mutator method, CilBody body, GenericArgumentResolver resolver)
{
method.LocalVariables.Clear();
int index = 0;
foreach (var variable in body.Variables)
{
method.LocalVariables.Add(new MosaLocal(
variable.Name ?? "V_" + index,
metadata.Loader.GetType(resolver.Resolve(variable.Type)),
variable.Type.IsPinned));
index++;
}
method.ExceptionBlocks.Clear();
foreach (var eh in body.ExceptionHandlers)
{
method.ExceptionBlocks.Add(new MosaExceptionHandler(
(ExceptionHandlerType)eh.HandlerType,
ResolveOffset(body, eh.TryStart),
ResolveOffset(body, eh.TryEnd),
ResolveOffset(body, eh.HandlerStart),
ResolveOffset(body, eh.HandlerEnd),
eh.CatchType == null ? null : metadata.Loader.GetType(resolver.Resolve(eh.CatchType.ToTypeSig())),
eh.FilterStart == null ? null : (int?)eh.FilterStart.Offset
));
}
method.MaxStack = methodDef.Body.MaxStack;
method.Code.Clear();
for (int i = 0; i < body.Instructions.Count; i++)
{
method.Code.Add(ResolveInstruction(methodDef, body, i, resolver));
}
}
private void ResolveType(MosaType type)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
if (type.GenericArguments.Count > 0)
resolver.PushTypeGenericArguments(type.GenericArguments.GetGenericArguments());
using (var mosaType = metadata.Controller.MutateType(type))
{
if (type.BaseType != null)
mosaType.BaseType = metadata.Loader.GetType(resolver.Resolve(type.BaseType.GetTypeSig()));
if (type.DeclaringType != null)
mosaType.DeclaringType = metadata.Loader.GetType(resolver.Resolve(type.DeclaringType.GetTypeSig()));
for (int i = 0; i < type.Interfaces.Count; i++)
mosaType.Interfaces[i] = metadata.Loader.GetType(resolver.Resolve(type.Interfaces[i].GetTypeSig()));
mosaType.HasOpenGenericParams = type.GetTypeSig().HasOpenGenericParameter();
ResolveCustomAttributes(mosaType, type.GetUnderlyingObject<UnitDesc<TypeDef, TypeSig>>().Definition);
}
}
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());
}
else
hasOpening |= method.GetMethodSig().HasOpenGenericParameter();
using (var mosaMethod = metadata.Controller.MutateMethod(method))
{
var desc = method.GetUnderlyingObject<UnitDesc<MethodDef, MethodSig>>();
MosaType returnType = metadata.Loader.GetType(resolver.Resolve(desc.Signature.RetType));
List<MosaParameter> pars = new List<MosaParameter>();
Debug.Assert(desc.Signature.GetParamCount() == desc.Definition.ParamDefs.Count);
for (int i = 0; i < desc.Definition.ParamDefs.Count; i++)
{
pars.Add(new MosaParameter(desc.Definition.ParamDefs[i].FullName, metadata.Loader.GetType(resolver.Resolve(desc.Signature.Params[i]))));
}
mosaMethod.Signature = new MosaMethodSignature(returnType, pars);
if (desc.Definition.HasBody)
ResolveBody(desc.Definition, mosaMethod, desc.Definition.Body, resolver);
mosaMethod.HasOpenGenericParams = hasOpening;
ResolveCustomAttributes(mosaMethod, desc.Definition);
}
}
private void ResolveProperty(MosaProperty property)
{
GenericArgumentResolver resolver = new GenericArgumentResolver();
if (property.DeclaringType.GenericArguments.Count > 0)
resolver.PushTypeGenericArguments(property.DeclaringType.GenericArguments.GetGenericArguments());
using (var mosaProperty = metadata.Controller.MutateProperty(property))
{
mosaProperty.PropertyType = metadata.Loader.GetType(resolver.Resolve(property.GetPropertySig().RetType));
var propertyDesc = property.GetUnderlyingObject<UnitDesc<PropertyDef, PropertySig>>();
if (propertyDesc.Definition.GetMethod != null)
{
var getterDesc = new UnitDesc<MethodDef, MethodSig>(propertyDesc.Definition.GetMethod.Module, propertyDesc.Definition.GetMethod, propertyDesc.Definition.GetMethod.MethodSig);
mosaProperty.GetterMethod = metadata.Cache.GetMethodByToken(getterDesc.Token);
}
if (propertyDesc.Definition.SetMethod != null)
{
var setterDesc = new UnitDesc<MethodDef, MethodSig>(propertyDesc.Definition.SetMethod.Module, propertyDesc.Definition.SetMethod, propertyDesc.Definition.SetMethod.MethodSig);
mosaProperty.SetterMethod = metadata.Cache.GetMethodByToken(setterDesc.Token);
}
ResolveCustomAttributes(mosaProperty, property.GetUnderlyingObject<UnitDesc<PropertyDef, PropertySig>>().Definition);
}
}
private static MethodSig Resolve(MethodBaseSig method, TypeSig typeContext)
{
var genericArgs = typeContext is GenericInstSig ? ((GenericInstSig)typeContext).GenericArguments : null;
return(GenericArgumentResolver.Resolve(method, genericArgs, null));
}
private static TypeSig Resolve(TypeSig type, TypeSig typeContext)
{
var genericArgs = typeContext is GenericInstSig ? ((GenericInstSig)typeContext).GenericArguments : null;
return(GenericArgumentResolver.Resolve(type, genericArgs, null));
}
