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Remove struct_type from union output
Also bumps the format number and adds a test
Rationale: It's illegal to have unions of the form `union Union(i32, f32);`, or `union Union;`. The struct_type field was recently removed from the rustdoc Union AST, at which time this field was changed to always just read "union". It makes sense to completely remove it, as it provides no information.
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Fix <unknown> queries and add more timing info to render_html
Closes https://github.com/rust-lang/rust/issues/81251.
## Fix `<unknown>` queries
This happened because `alloc_query_strings` was never called.
## Add more timing info to render_html
This still has some issues I'm not sure how to work out:
- `create_renderer` and `renderer_after_krate` aren't shown by default.
I want something like `verbose_generic_activity_with_arg`, but it doesn't exist.
I'm also not sure how to show activities that aren't on by default - I
tried `-Z self-profile -Z self-profile-args=all`, but it didn't show up.
r? `@wesleywiser`
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- Show `create_renderer` and `renderer_after_crate` by default
- Don't rewrite `extra_verbose_generic_activity`
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Remove doctree::StructType
Also removes it from the Union type, as unions can only ever be 'Plain'. Adds a new StructType to JSON, 'union', as the easiest way to encode the type of a union there. This leaves only one item in doctree, `Module`.
r? `@jyn514`
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Make 'docs' nullable in rustdoc-json output
Matches the backing better, and makes it so there's a difference between 'empty docs' and 'no docs'.
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something is a union
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It's called at the same time and in the same place as `after_krate`, so
they can be combined.
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There's no `Variant`, so it seems silly to have `Kind`.
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It had exactly one field and no special behavior, so there was no point.
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This brings the size of `Item` from
```
[src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 680
```
to
```
[src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 280
```
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Remove `DefPath` from `Visibility` and calculate it on demand
Depends on #80090 and should not be merged before. Helps with https://github.com/rust-lang/rust/issues/79103 and https://github.com/rust-lang/rust/issues/76382.
cc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284 - `@nnethercote` I figured it out! It was simpler than I expected :)
This brings the size of `clean::Visibility` down from 40 bytes to 8.
Note that this does *not* remove `clean::Visibility`, even though it's now basically the same as `ty::Visibility`, because the `Invsible` variant means something different from `Inherited` and I thought it would be be confusing to merge the two. See the new comments on `impl Clean for ty::Visibility` for details.
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[rustdoc] Calculate stability, const_stability, and deprecation on-demand
Previously, they would always be calculated ahead of time, which bloated the size of `clean::Item`.
Builds on https://github.com/rust-lang/rust/pull/80090 and should not be merged before. Helps with https://github.com/rust-lang/rust/issues/79103 and https://github.com/rust-lang/rust/issues/76382.
cc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284
This brings `Item` down to 568 bytes, down from 616.
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Continue String to Symbol conversion in rustdoc (2)
Follow-up of #80119.
This is the last one (and I actually expected more conversions but seems like it was the last one remaining...).
r? `@jyn514`
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Previously, they would always be calculated ahead of time, which bloated
the size of `clean::Item`.
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Pass a `TyCtxt` through to `FormatRender`
This is the next step after https://github.com/rust-lang/rust/pull/79957 for https://github.com/rust-lang/rust/issues/76382. Eventually I plan to use this to remove `stability`, `const_stability`, and `deprecation` from `Item`, but that needs more extensive changes (in particular, https://github.com/rust-lang/rust/pull/75355 or something like it).
This has no actual changes to behavior, it's just moving types around.
ccc https://github.com/rust-lang/rust/pull/80014#issuecomment-746810284
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Continue String to Symbol conversion in rustdoc
Follow-up of https://github.com/rust-lang/rust/pull/80091.
This PR is already big enough so I'll stop here before the next one.
r? `@jyn514`
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First actually useful step in https://github.com/rust-lang/rust/issues/76382
This doesn't yet compile because there's no way to get a `Lrc<Session>`
from a TyCtxt, only a `&Session`.
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Use more symbols in rustdoc
Builds on https://github.com/rust-lang/rust/pull/80044 and should not be merged before.
I want to test if this is actually faster before merging it, there was a lot of `to_string()` calls so I'm not sure it will actually help. That means I have to wait for 80044 to get merged before running perf.
r? `@ghost`
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Get rid of `clean::Deprecation`
This brings the size of `item.deprecation` from 56 to 16 bytes. Helps with #79103 and https://github.com/rust-lang/rust/issues/76382, in the same vein as https://github.com/rust-lang/rust/pull/79957.
r? `@GuillaumeGomez`
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This decreases the size of `Item` from 680 to 616 bytes. It also does a
lot less work since it no longer has to copy as much.
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This brings the size of `item.deprecation` from 56 to 16 bytes.
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This was simpler than expected.
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This should *vastly* reduce memory usage.
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Go back to CRATE_DEF_INDEX
Minor niceness improvements
Don't output hidden items
Remove striped items from fields
Add $TEST_BASE_DIR
Small catch
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Respond to comments and start adding tests
Fix re-exports and extern-crate
Add expected output tests
Add restricted paths
Format
Fix: associated methods missing in output
Ignore stripped items
Mark stripped items
removing them creates dangling references
Fix tests and update conversions
Don't panic if JSON backend fails to create a file
Fix attribute error in JSON testsuite
Move rustdoc-json to rustdoc/
This way it doesn't have to build rustc twice. Eventually it should
probably get its own suite, like rustdoc-js, but that can be fixed in a
follow-up.
Small cleanups
Don't prettify json before printing
This fully halves the size of the emitted JSON.
Add comments
[BREAKING CHANGE] rename version -> crate_version
[BREAKING CHANGE] rename source -> span
Use exhaustive matches
Don't qualify imports for DefId
Rename clean::{ItemEnum -> ItemKind}, clean::Item::{inner -> kind}
Fix Visibility conversion
clean::Visability was changed here:
https://github.com/rust-lang/rust/pull/77820/files#diff-df9f90aae0b7769e1eb6ea6f1d73c1c3f649e1ac48a20e169662a8930eb427beL1467-R1509
More churn catchup
Format
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This gives warnings about dead code.
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