private CodeTypeDeclaration GenerateStruct(IDescribeStruct declaration)
{
var newType = new CodeTypeDeclaration(declaration.Name)
{
IsStruct = true,
TypeAttributes = TypeAttributes.SequentialLayout | TypeAttributes.Public
};
//TODO: Comments, we have none yet
newType.CustomAttributes.AddRange(declaration.Attributes.ToArray());
foreach (var fldDecl in declaration.Fields)
{
var fld = new CodeMemberField(fldDecl.Type, fldDecl.Name);
fld.CustomAttributes.AddRange(fldDecl.Attributes.ToArray());
fld.Attributes = MemberAttributes.Public;
newType.Members.Add(fld);
}
return(newType);
}
protected override void VisitChild(VisitorCursor cursor, List <VisitorCursor> parents)
{
if (cursor.Kind == CXCursorKind.CXCursor_StructDecl)
{
this.fieldPosition = 0;
if (config.NativeStructs.Any(s => s.Name == cursor.Spelling) &&
!this.info.Structs.Any((s) => { return(s.Name == cursor.Spelling); }) &&
!cursor.IsForwardDeclaration)
{
var structDecl = new IDescribeStruct {
Name = cursor.Spelling
};
cursor.VisitChildren((childCursor) =>
{
if (childCursor.Kind == CXCursorKind.CXCursor_FieldDecl)
{
var fieldName = childCursor.Spelling;
if (string.IsNullOrEmpty(fieldName))
{
fieldName = "field" + this.fieldPosition; // what if they have fields called field*? :)
}
var fieldDecl = new IDescribeField {
Name = fieldName
};
var canonical = childCursor.CanonicalType;
switch (childCursor.CanonicalType.kind)
{
case CXTypeKind.CXType_ConstantArray:
long arraySize = clang.getArraySize(canonical);
var elementType = clang.getCanonicalType(clang.getArrayElementType(canonical));
fieldDecl.Type = elementType.ToPlainType().MakeArrayType();
fieldDecl.Attributes.Add(new CodeAttributeDeclaration(
new CodeTypeReference(typeof(MarshalAsAttribute)),
new CodeAttributeArgument(new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(typeof(UnmanagedType)), "ByValArray")),
new CodeAttributeArgument("SizeConst", new CodePrimitiveExpression(arraySize))));
break;
case CXTypeKind.CXType_Pointer:
var pointeeType = clang.getCanonicalType(clang.getPointeeType(canonical));
switch (pointeeType.kind)
{
case CXTypeKind.CXType_Char_S:
fieldDecl.Type = typeof(string);
fieldDecl.Attributes.Add(new CodeAttributeDeclaration(
new CodeTypeReference(typeof(MarshalAsAttribute)),
new CodeAttributeArgument(new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(typeof(UnmanagedType)), "LPTStr"))));
break;
case CXTypeKind.CXType_WChar:
fieldDecl.Type = typeof(string);
fieldDecl.Attributes.Add(new CodeAttributeDeclaration(
new CodeTypeReference(typeof(MarshalAsAttribute)),
new CodeAttributeArgument(new CodeFieldReferenceExpression(new CodeTypeReferenceExpression(typeof(UnmanagedType)), "LPWStr"))));
break;
default:
fieldDecl.Type = typeof(IntPtr);
break;
}
break;
case CXTypeKind.CXType_Record:
case CXTypeKind.CXType_Enum:
Console.WriteLine("Struct field type dunno: " + canonical.ToString());
fieldDecl.Type = typeof(IntPtr);
break;
default:
fieldDecl.Type = canonical.ToPlainType();
break;
}
structDecl.Fields.Add(fieldDecl);
}
});
info.Structs.Add(structDecl);
}
}
}
