Skip to content

Update rustc-driver-getting-diagnostics.md #1931

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Mar 11, 2024
Merged

Update rustc-driver-getting-diagnostics.md #1931

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 8 additions & 3 deletions src/rustc-driver-getting-diagnostics.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,14 +1,19 @@
# Example: Getting diagnostic through `rustc_interface`

`rustc_interface` allows you to intercept diagnostics that would otherwise be printed to stderr.
The [`rustc_interface`] allows you to intercept diagnostics that would
otherwise be printed to stderr.

## Getting diagnostics

To get diagnostics from the compiler,
configure `rustc_interface::Config` to output diagnostic to a buffer,
and run `TyCtxt.analysis`. The following was tested
configure [`rustc_interface::Config`] to output diagnostic to a buffer,
and run [`TyCtxt.analysis`]. The following was tested
with <!-- date-check: jan 2024 --> `nightly-2024-01-19`:

```rust
{{#include ../examples/rustc-driver-getting-diagnostics.rs}}
```

[`rustc_interface`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/index.html
[`rustc_interface::Config`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/interface/struct.Config.html
[`TyCtxt.analysis`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_interface/passes/fn.analysis.html