Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to make transition over hir::ItemKind simpler#80845

GuillaumeGomez · 2021-01-09T17:30:36Z

It was surprisingly difficult to make this change, mostly because of two issues:

We now store the ExternCrate name in the parent struct (clean::Item), which forced me to modify the json conversion code a bit more than expected.
The second problem was that, since we now have a Some(name), it was trying to render it, ending up in a panic because we ended up in a unreachable statement. The solution was simply to add !item.is_extern_crate() in formats::renderer before calling cx.item(item, &cache)?;.

I'll continue to replace all the clean::ItemKind variants one by one until it looks exactly like hir::ItemKind. Then we'll simply discard the rustdoc type. Once this done, we'll be able to discard clean::Item too to use hir::Item.

r? @jyn514

bors · 2021-01-14T05:44:40Z

☔ The latest upstream changes (presumably #80802) made this pull request unmergeable. Please resolve the merge conflicts.

src/librustdoc/json/conversions.rs

src/librustdoc/clean/types.rs

…ields, r=ollie27 Remove some function fields Same kind as rust-lang#80845. This PR removes the `all_types` and `ret_types` from the `clean::Function` type. Another change that I had to do was implementing the `From` trait to be able to convert `hir::def::DefKind` into `clean::TypeKind` without requiring `DocContext` (and so I updated the `clean` method so that it's taken into account). The last two commits improve a bit the `get_real_types` function and the `Type::generics` method. r? `@jyn514`

jyn514

I like the idea but the implementation needs some work.

src/librustdoc/formats/renderer.rs

src/librustdoc/json/conversions.rs

GuillaumeGomez · 2021-02-15T12:43:50Z

Updated.

GuillaumeGomez · 2021-02-18T21:23:07Z

Ping @jyn514

src/librustdoc/json/conversions.rs

GuillaumeGomez · 2021-02-26T13:35:35Z

I'll go forward with this then! If you want the test back, don't hesitate to ask (either before after it's merged).

@bors: r=jyn514

bors · 2021-02-26T13:35:36Z

📌 Commit 4c70372 has been approved by jyn514

…, r=jyn514 Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to make transition over hir::ItemKind simpler It was surprisingly difficult to make this change, mostly because of two issues: * We now store the `ExternCrate` name in the parent struct (`clean::Item`), which forced me to modify the json conversion code a bit more than expected. * The second problem was that, since we now have a `Some(name)`, it was trying to render it, ending up in a panic because we ended up in a `unreachable` statement. The solution was simply to add `!item.is_extern_crate()` in `formats::renderer` before calling `cx.item(item, &cache)?;`. I'll continue to replace all the `clean::ItemKind` variants one by one until it looks exactly like `hir::ItemKind`. Then we'll simply discard the rustdoc type. Once this done, we'll be able to discard `clean::Item` too to use `hir::Item`. r? `@jyn514`

…, r=jyn514 Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to make transition over hir::ItemKind simpler It was surprisingly difficult to make this change, mostly because of two issues: * We now store the `ExternCrate` name in the parent struct (`clean::Item`), which forced me to modify the json conversion code a bit more than expected. * The second problem was that, since we now have a `Some(name)`, it was trying to render it, ending up in a panic because we ended up in a `unreachable` statement. The solution was simply to add `!item.is_extern_crate()` in `formats::renderer` before calling `cx.item(item, &cache)?;`. I'll continue to replace all the `clean::ItemKind` variants one by one until it looks exactly like `hir::ItemKind`. Then we'll simply discard the rustdoc type. Once this done, we'll be able to discard `clean::Item` too to use `hir::Item`. r? ``@jyn514``

jyn514 · 2021-02-26T14:48:49Z

@bors r-

You didn't fix the panic:

This will panic if you pass a StrippedItem(ExternCrateItem).

GuillaumeGomez · 2021-02-26T14:50:42Z

Good catch, thanks!

GuillaumeGomez · 2021-02-26T21:59:25Z

@jyn514: I went for what you suggested: I now pass the name argument to the function so we can now handle ExternCrateItem into it directly.

bors · 2021-03-05T13:51:46Z

☔ The latest upstream changes (presumably #82777) made this pull request unmergeable. Please resolve the merge conflicts.

…ake transition over hir::ItemKind simpler

GuillaumeGomez · 2021-03-05T16:55:39Z

Fixed the issue, so let's go!

@bors: r=jyn514

bors · 2021-03-05T16:55:41Z

📌 Commit 286a357 has been approved by jyn514

…, r=jyn514 Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to make transition over hir::ItemKind simpler It was surprisingly difficult to make this change, mostly because of two issues: * We now store the `ExternCrate` name in the parent struct (`clean::Item`), which forced me to modify the json conversion code a bit more than expected. * The second problem was that, since we now have a `Some(name)`, it was trying to render it, ending up in a panic because we ended up in a `unreachable` statement. The solution was simply to add `!item.is_extern_crate()` in `formats::renderer` before calling `cx.item(item, &cache)?;`. I'll continue to replace all the `clean::ItemKind` variants one by one until it looks exactly like `hir::ItemKind`. Then we'll simply discard the rustdoc type. Once this done, we'll be able to discard `clean::Item` too to use `hir::Item`. r? `@jyn514`

jyn514 · 2021-03-05T21:23:54Z

src/librustdoc/json/conversions.rs

+        ExternCrateItem { ref src } => ItemEnum::ExternCrateItem {
+            name: name.as_ref().unwrap().to_string(),
+            rename: src.map(|x| x.to_string()),
+        },


Yup, this is what I was expecting, thanks :)

…laumeGomez Rollup of 7 pull requests Successful merges: - rust-lang#80845 (Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to make transition over hir::ItemKind simpler) - rust-lang#82708 (Warn on `#![doc(test(...))]` on items other than the crate root and use future incompatible lint) - rust-lang#82714 (Detect match arm body without braces) - rust-lang#82736 (Bump optimization from mir_opt_level 2 to 3 and 3 to 4 and make "release" be level 2 by default) - rust-lang#82782 (Make rustc shim's verbose output include crate_name being compiled.) - rust-lang#82797 (Update tests names to start with `issue-`) - rust-lang#82809 (rustdoc: Use substrings instead of split to grab enum variant paths) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup

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GuillaumeGomez mentioned this pull request Jan 10, 2021

Remove some function fields #80883

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Rollup of 9 pull requests #82547

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Rollup of 8 pull requests #82550

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GuillaumeGomez added 2 commits March 5, 2021 16:04

Make ItemKind::ExternCrate looks like hir::ItemKind::ExternCrate to m…

f879ecc

…ake transition over hir::ItemKind simpler

Refactor from_clean_item_kind to improve ExternCrateItem handling

286a357

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Rollup of 5 pull requests #82811

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Rollup of 7 pull requests #82816

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jyn514 mentioned this pull request Mar 11, 2021

docs.rs reuses crate-specific resources from empty_library for other crates rust-lang/docs.rs#1313

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