public void CodeTypeFromFullName_NoSuchTypeInProject_ReturnsNull()
{
CreateCodeModel();
CodeType codeType = codeModel.CodeTypeFromFullName("UnknownType");
Assert.IsNull(codeType);
}
/// <inheritdoc />
protected override StaticDeclaredTypeWrapper GetAssemblyType(StaticAssemblyWrapper assembly, string typeName)
{
CodeModel assemblyHandle = (CodeModel)assembly.Handle;
if (typeName.IndexOf('`') < 0)
{
try
{
CodeType typeHandle = assemblyHandle.CodeTypeFromFullName(typeName.Replace('+', '.'));
if (typeHandle != null)
{
return(MakeDeclaredType(typeHandle));
}
}
catch (COMException)
{
}
}
else
{
// The CodeTypeFromFullName API can find generic types but it needs the names of
// the generic type parameters to be provided. eg. "Class<T>" instead of "Class`1".
throw new NotImplementedException("Searching for generic types not implemented currently.");
}
return(null);
}
public CodeTypeRef StripGenerics(CodeTypeRef member)
{
try
{
if (member.AsFullName.Contains("<") == false)
{
return(member); //No need to attempt to guess, this is not a generic class
}
//todo check if we need to cast to CodeTypeRef2 here
var codeTypeRef2 = member as CodeTypeRef2;
if (codeTypeRef2 == null || !codeTypeRef2.IsGeneric)
{
return(member);
}
var typeNameAsInCode = DTEHelper.RemoveTaskFromString(codeTypeRef2.AsFullName);
typeNameAsInCode = DTEHelper.RemoveNullableStr(typeNameAsInCode);
try
{
CodeModel projCodeModel = ((CodeElement)member.Parent).ProjectItem.ContainingProject.CodeModel;
if (projCodeModel == null)
{
return(member);
}
var codeType = projCodeModel.CodeTypeFromFullName(typeNameAsInCode);
if (codeType != null)
{
return(projCodeModel.CreateCodeTypeRef(codeType));
}
return(member);
}
catch (COMException ex)
{
var found = CheckForTypeInOtherPlaces(typeNameAsInCode);
if (found != null)
{
return(found);
}
}
if (member.AsFullName.Contains("Task<"))
{
return(null); //we failed, might as well throw error
}
return(member);
}
catch (Exception ex)
{
return(member);
}
}
public CodeTypeRef TryToGuessGenericArgument(CodeTypeRef member)
{
try
{
if (member.AsFullName.Contains("<") == false)
{
return(member); //No need to attempt to guess, this is not a generic class
}
//todo check if we need to cast to CodeTypeRef2 here
var codeTypeRef2 = member as CodeTypeRef2;
if (codeTypeRef2 == null || !codeTypeRef2.IsGeneric)
{
return(member);
}
// There is no way to extract generic parameter as CodeTypeRef or something similar
// (see http://social.msdn.microsoft.com/Forums/vstudio/en-US/09504bdc-2b81-405a-a2f7-158fb721ee90/envdte-envdte80-codetyperef2-and-generic-types?forum=vsx)
// but we can make it work at least for some simple case with the following heuristic:
// 1) get the argument's local name by parsing the type reference's full text
// 2) if it's a known primitive (i.e. string, int, etc.), return that
// 3) otherwise, guess that it's a type from the same namespace and same project,
// and use the project CodeModel to retrieve it by full name
// 4) if CodeModel returns null - well, bad luck, don't have any more guesses
var typeNameAsInCode = DTEHelper.RemoveTaskFromString(codeTypeRef2.AsFullName);
// var typeNameAsInCode = codeTypeRef2.AsString.Replace("?", "");
//typeNameAsInCode = typeNameAsInCode.Split('<', '>').ElementAtOrDefault(1) ?? "";
typeNameAsInCode = typeNameAsInCode.Split('<', '>').ElementAtOrDefault(1) ?? typeNameAsInCode;
try
{
CodeModel projCodeModel = ((CodeElement)member.Parent).ProjectItem.ContainingProject.CodeModel;
if (projCodeModel == null)
{
return(member);
}
var codeType = projCodeModel.CodeTypeFromFullName(typeNameAsInCode);
if (codeType != null)
{
return(projCodeModel.CreateCodeTypeRef(codeType));
}
return(member);
}
catch (COMException ex)
{
var found = CheckForTypeInOtherPlaces(typeNameAsInCode);
if (found != null)
{
return(found);
}
}
if (member.AsFullName.Contains("Task<"))
{
return(null); //we failed, might as well throw error
}
if (member.AsFullName.Contains("List<"))
{
return(null); //we failed, might as well throw error
}
return(member);
}
catch (Exception ex)
{
return(member);
}
}
