This doesn't answer your question directly but if you want to gather
information about a module then using a source plugin would probably
be easier and more robust than using the GHC API.
You need to write a function of type:
```
ModSummary -> TcGblEnv -> TcM TcGblEnv
```
In `TcGblEnv` you will find `tcg_rdr_env` which contains all top-level
things and describes how they came to be in scope.
Source plugins will be in GHC 8.6.
Cheers,
Matt
On Thu, Jun 21, 2018 at 10:06 AM, Dmitriy Kovanikov
Hello!
I’m trying to use GHC as a library. And my goal is to be able to gather information about where each function or data type came from. I’ve started by simply calling `getNamesInScope` function and observing its result. Here is my code:
* Main.hs: https://lpaste.net/9026688686753841152
And here is the code for my test modules:
* test/X.hs: https://lpaste.net/6844657232357883904 * test/Y.hs: https://lpaste.net/8673289058127970304
Unfortunately, my implementation doesn't work since I’m not very familiar with GHC API. And I see the following errors after executing my `Main.hs` file (I’m using ghc-8.2.2):
* error messages: https://lpaste.net/3316737208131518464
Could you please point me to places or parts of GHC API or some documentation about module dependencies and how to make ghc see imports of other modules? I can’t find simple and small enough usage example of this part of the library.
Thanks in advance, Dmitrii Kovanikov
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