[cfe-dev] libclang isn't listing all fields of a struct

[Jeet Parekh via cfe-dev]

I have been trying to learn about the AST using python bindings of
libclang. But I have not been able to enumerate the fields of a struct
successfully. I don't know if I'm doing it wrong, or if it's a bug.

Here is the code I wrote:
https://gist.github.com/jeet-parekh/936b932b4f2501debd0c40172f6af128

It simply prints the displayname, spelling, and number of fields of a
struct.

And I am running it on the imgui.h file from the
https://github.com/ocornut/imgui project.

For a lot of the structs, I get "fields count: 0". I wrote an equivalent
program in C++. And I got the same result. How do I fix it?

I have cloned the clang repo from the provided git mirror. The latest
commit in my clone is:
git commit id: 3b778bc3cec73f904457d70d6f956e1aafe1b550
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@345691
91177308-0d34-0410-b5e6-96231b3b80d8

Thanks!
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