cf09cba20c
Previously we would only mention that the item was gated out, and opportunisitically mention the feature flag name when possible. We now point to the place where the item was gated, which can be behind layers of macro indirection, or in different modules.
```
error[E0433]: failed to resolve: could not find `doesnt_exist` in `inner`
--> $DIR/diagnostics-cross-crate.rs:18:23
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LL | cfged_out::inner::doesnt_exist::hello();
| ^^^^^^^^^^^^ could not find `doesnt_exist` in `inner`
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note: found an item that was configured out
--> $DIR/auxiliary/cfged_out.rs:6:13
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LL | pub mod doesnt_exist {
| ^^^^^^^^^^^^
note: the item is gated here
--> $DIR/auxiliary/cfged_out.rs:5:5
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LL | #[cfg(FALSE)]
| ^^^^^^^^^^^^^
```
35 lines
1.4 KiB
Rust
35 lines
1.4 KiB
Rust
//@ aux-build:cfged_out.rs
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extern crate cfged_out;
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fn main() {
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// There is no uwu at this path - no diagnostic.
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cfged_out::uwu(); //~ ERROR cannot find function
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//~^ NOTE not found in `cfged_out`
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// It does exist here - diagnostic.
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cfged_out::inner::uwu(); //~ ERROR cannot find function
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//~^ NOTE found an item that was configured out
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//~| NOTE not found in `cfged_out::inner`
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//~| NOTE the item is gated here
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// The module isn't found - we would like to get a diagnostic, but currently don't due to
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// the awkward way the resolver diagnostics are currently implemented.
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cfged_out::inner::doesnt_exist::hello(); //~ ERROR failed to resolve
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//~^ NOTE could not find `doesnt_exist` in `inner`
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//~| NOTE found an item that was configured out
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//~| NOTE the item is gated here
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// It should find the one in the right module, not the wrong one.
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cfged_out::inner::right::meow(); //~ ERROR cannot find function
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//~^ NOTE found an item that was configured out
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//~| NOTE not found in `cfged_out::inner::right
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//~| NOTE the item is gated behind the `what-a-cool-feature` feature
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// Exists in the crate root - diagnostic.
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cfged_out::vanished(); //~ ERROR cannot find function
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//~^ NOTE found an item that was configured out
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//~| NOTE not found in `cfged_out`
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//~| NOTE the item is gated here
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}
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