public StructDefinition ProcessForStruct(TypeDefinition type)
{
Context.CLRLogger.Debug($"\tProcessing {type.FullName} type for LLVM");
var processed = ResolveAllFields(type.Resolve());
foreach (var field in processed)
{
if (field.FieldType.IsNested && !Context.FullSymbolToTypeRef.ContainsKey(field.FieldType.FullName))
{
Context.FullSymbolToTypeRef.Add(field.FieldType.FullName,
ProcessForStruct(field.FieldType.Resolve()));
}
}
var structDef = new StructDefinition
{
CS_StructName = type.FullName,
LL_StructName = type.FullName,
CS_FieldDefs = processed,
LL_FieldTypeRefs = processed.Select(I => ResolveType(I.FieldType)).ToArray()
};
structDef.StructTypeRef = LLVM.StructTypeInContext(Context.ContextRef, structDef.LL_FieldTypeRefs.Select(
f =>
{
Context.CLRLogger.Debug($"\t\t{f.StackType.FullName} - {f.FieldTypeRef}");
return(f.FieldTypeRef);
}).ToArray(), true);
return(structDef);
}
private void AddBCLObjects()
{
var structDef = new StructDefinition();
if (_options.MetadataTypeHandlingModeOption == MetadataTypeHandlingMode.Full_Fixed)
{
// C# Fields are going to be seen as Int32, but it may not necessarily be 32 bit integer,
// What is important is the specified type information in LLVM.
// This is intended to allow a more flexible optimization feature.
structDef.CS_FieldDefs = new[]
{
new FieldDefinition("___INTERNAL__DO_NOT_TOUCH__CLR__TYPEHANDLE",
FieldAttributes.SpecialName | FieldAttributes.Private | FieldAttributes.CompilerControlled,
MiniBCL.Int32Type),
new FieldDefinition("___INTERNAL__DO_NOT_TOUCH__CLR__SYNC",
FieldAttributes.SpecialName | FieldAttributes.Private | FieldAttributes.CompilerControlled,
MiniBCL.Int32Type)
};
structDef.CS_StructName = "Object";
structDef.LL_StructName = "Object";
structDef.LL_FieldTypeRefs = new[]
{
new LLVMFieldDefAndRef(MiniBCL.Int32Type, LLVM.IntType(_options.MetadataFixedLength)),
new LLVMFieldDefAndRef(MiniBCL.Int32Type, LLVM.IntType(_options.MetadataFixedLength))
};
structDef.StructTypeRef =
LLVM.StructType(structDef.LL_FieldTypeRefs.Select(I => I.FieldTypeRef).ToArray(), true);
_context.FullSymbolToTypeRef.Add("System.Object", structDef);
// TODO: Add actual Type retrieval for objects
_context.SymbolToCallableFunction.Add("System.Object::GetType", default(LLVMValueRef));
}
else
{
// TODO: Implement support for Full_Native and None.
throw new NotImplementedException();
}
}
