NullReferenceException when parsing instantiation of a previously partially specialised template
Nobody has claimed this yet.
- Dominant language
- C#
- Stars
- 620
- Forks
- 79
- Avg merge
- 14h 27m
- Merged PRs (30d)
- 1
Description
Parsing the following code causes a NullReferenceException:
template<typename A, typename B>
struct foo {};
template<typename B>
struct foo<int, B> {};
foo<int, int> foobar;
CppModelBuilder.GetOrCreateDeclarationContainer doesn't handle ClassTemplatePartialSpecialization cursors. This causes it to return null, which later causes the exception when trying to create a declaration container for the instantiation.
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at CppModelBuilder.GetOrCreateDeclarationContainer and reproduce the provided C++ template specialization snippet. Trace how ClassTemplatePartialSpecialization cursors are handled before the instantiation container is created; done means the snippet parses without a NullReferenceException and the declaration container is created successfully.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp, csharp
- Domain
- compilers, devtools
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 35/100