rustdoc: Remove 'need_backline' field from `DocFragment` by vacuus · Pull Request #92095 · rust-lang/rust

vacuus · 2021-12-19T02:57:15Z

Fixes#92084

rust-highfive · 2021-12-19T02:57:17Z

Some changes occurred in clean/types.rs.

rust-highfive · 2021-12-19T02:57:18Z

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @GuillaumeGomez (or someone else) soon.

Please see the contribution instructions for more information.

vacuus · 2021-12-19T04:17:10Z

Just having noticed #92084, this PR may become obsolete.

To clarify, lines 945-950 and 960-962 would be deleted, so the only change in the end would be to unconditionally push a newline. I suppose that "mostly obsolete" would've fit better.

jyn514 · 2021-12-19T16:52:22Z

@vacuus here's a guide on fixing conflicts: https://rustc-dev-guide.rust-lang.org/git.html#rebasing-and-conflicts

I'm not sure what you mean by obsolete - this is exactly the sort of change I was hoping to see when I opened the issue :)

jyn514

This looks great! Could you now remove the need_backline field everywhere in types.rs? That should give a big memory improvement :)

jyn514 · 2021-12-19T16:53:35Z

While you're rewriting these comments, can you make them doc-comments so they show up on doc.rust-lang.org/rustdoc?

vacuus · 2021-12-19T17:48:06Z

I confess that I'm stumped on the rebase. Right after cloning my fork, I did git remote add upstream https://github.com/rust-lang/rust.git and then git pull upstream master. However, git rebase master just says "current branch master is up to date". Doing git config pull.rebase true instead of git config pull.rebase false changes nothing. Would it be better to close this PR and open a new one?

jyn514 · 2021-12-19T18:03:47Z

@vacuus try git fetch upstream and then git rebase upstream/master

vacuus · 2021-12-19T18:35:20Z

Sorry to bother you more, but do I just allow the changes I made? For example, this is one of the conflicts: since the goal is to remove 'need_backline`, the if let would be deleted. There shouldn't be any problem with me deleting the whole snippet and considering that conflict resolved, right?

<<<<<<< master
=======
if let Some(prev) = doc_strings.last_mut() {
prev.need_backline = true;
}
>>>>>>> master

jyn514 · 2021-12-19T18:43:28Z

Yup! That whole block shouldn't be needed any more.

camelid · 2021-12-19T18:46:04Z

All you need to do is delete the conflict marker arrows and made sure the code that is left behind is what you want. So if you want to delete the section that has conflicts, just delete it.

camelid · 2021-12-19T18:59:55Z

Should this be marked as closing #92084? (Just add the phrase "Fixes #92084" to the PR description body.)

vacuus · 2021-12-19T19:26:06Z

The size assertion at line 923 (rustc_data_structures::static_assert_size!(DocFragment, 32);) should be updated to 31 bytes, right?

vacuus · 2021-12-19T19:30:25Z

There seem to be quite a few compilation errors due to a String being returned from one or two of the functions instead of an Option. I'll try to fix those. The macro-related ones are probably beyond my expertise.

jyn514 · 2021-12-19T19:32:14Z

There seem to be quite a few compilation errors due to a String being returned from one or two of the functions instead of an Option. I'll try to fix those. The macro-related ones are probably beyond my expertise.

Wait, why did you change that in this PR? I thought this was only changing need_backline.

vacuus · 2021-12-19T19:38:50Z

I guess I thought that #92078 was already merged and I should update this accordingly. My bad. I'll revert those changes.

vacuus · 2021-12-19T19:59:07Z

I suppose that, for alignment reasons, the size of DocFragment is still 32 bytes and not 31.

vacuus · 2021-12-19T20:25:55Z

That seems to be a formatting issue, yet running rustfmt on the file doesn't raise any complaints.

bors · 2021-12-20T19:55:24Z

⌛ Testing commit 386ab1e with merge 824ed5019ca407ae81afe5bc7163faee796aae22...

bors · 2021-12-20T22:57:56Z

💔 Test failed - checks-actions

rust-log-analyzer · 2021-12-20T22:58:13Z

A job failed! Check out the build log: (web)(plain)

Click to see the possible cause of the failure (guessed by this bot)

vacuus · 2021-12-20T23:19:09Z

Well, that's a doozy.

matthiaskrgr · 2021-12-20T23:27:30Z

@bors retry

bors · 2021-12-21T12:01:14Z

⌛ Testing commit 386ab1e with merge 9f6776cf4b2bda47d9bfa3dfc00b365b90cac7b4...

rust-log-analyzer · 2021-12-21T12:48:25Z

The job x86_64-msvc-2 failed! Check out the build log: (web)(plain)

Click to see the possible cause of the failure (guessed by this bot)

9 note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
10 The actual run.stderr differed from the expected run.stderr.
Actual run.stderr saved to D:\a\rust\rust\build\x86_64-pc-windows-msvc\test\ui\panics\panic-short-backtrace-windows-x86_64\panic-short-backtrace-windows-x86_64.run.stderr
error: 1 errors occurred comparing run output.
status: exit code: 101
status: exit code: 101
command: PATH="D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage2\lib\rustlib\x86_64-pc-windows-msvc\lib;C:\Program Files (x86)\Windows Kits\10\bin\x64;C:\Program Files (x86)\Windows Kits\10\bin\10.0.22000.0\x64;C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\MSVC\14.29.30133\bin\HostX64\x64;C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Tools\MSVC\14.29.30133\bin\HostX64\x64;D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0-bootstrap-tools\x86_64-pc-windows-msvc\release\deps;D:\a\rust\rust\build\x86_64-pc-windows-msvc\stage0\bin;D:\a\rust\rust\ninja;D:\a\rust\rust\msys2\mingw64\bin;C:\hostedtoolcache\windows\Python\3.10.0\x64\Scripts;C:\hostedtoolcache\windows\Python\3.10.0\x64;C:\msys64\usr\bin;D:\a\rust\rust\sccache;C:\Program Files\MongoDB\Server\5.0\bin;C:\aliyun-cli;C:\vcpkg;C:\cf-cli;C:\Program Files (x86)\NSIS;C:\tools\zstd;C:\Program Files\Mercurial;C:\hostedtoolcache\windows\stack\2.7.3\x64;C:\cabal\bin;C:\ghcup\bin;C:\tools\ghc-9.2.1\bin;C:\Program Files\dotnet;C:\mysql\bin;C:\Program Files\R\R-4.1.2\bin\x64;C:\SeleniumWebDrivers\GeckoDriver;C:\Program Files (x86)\sbt\bin;C:\Rust\.cargo\bin;C:\Program Files (x86)\GitHub CLI;C:\Program Files\Git\bin;C:\Program Files (x86)\pipx_bin;C:\hostedtoolcache\windows\go\1.15.15\x64\bin;C:\hostedtoolcache\windows\Python\3.7.9\x64\Scripts;C:\hostedtoolcache\windows\Python\3.7.9\x64;C:\hostedtoolcache\windows\Ruby\2.5.9\x64\bin;C:\tools\kotlinc\bin;C:\hostedtoolcache\windows\Java_Temurin-Hotspot_jdk\8.0.312-7\x64\bin;C:\npm\prefix;C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\wbin;C:\ProgramData\kind;C:\Program Files\Eclipse Foundation\jdk-8.0.302.8-hotspot\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Windows\System32\OpenSSH;C:\ProgramData\Chocolatey\bin;C:\Program Files\Docker;C:\Program Files\PowerShell\7;C:\Program Files\Microsoft\Web Platform Installer;C:\Program Files\dotnet;C:\Program Files\Microsoft SQL Server\130\Tools\Binn;C:\Program Files\Microsoft SQL Server\Client SDK\ODBC\170\Tools\Binn;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit;C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\120\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\130\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\140\DTS\Binn;C:\Program Files (x86)\Microsoft SQL Server\150\DTS\Binn;C:\Program Files\nodejs;C:\Program Files\OpenSSL\bin;C:\Strawberry\c\bin;C:\Strawberry\perl\site\bin;C:\Strawberry\perl\bin;C:\ProgramData\chocolatey\lib\pulumi\tools\Pulumi\bin;C:\Program Files\TortoiseSVN\bin;C:\Program Files\CMake\bin;C:\ProgramData\chocolatey\lib\maven\apache-maven-3.8.4\bin;C:\Program Files\Microsoft Service Fabric\bin\Fabric\Fabric.Code;C:\Program Files\Microsoft SDKs\Service Fabric\Tools\ServiceFabricLocalClusterManager;C:\Program Files\Git\cmd;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\tools\php;C:\Program Files (x86)\sbt\bin;C:\SeleniumWebDrivers\ChromeDriver;C:\SeleniumWebDrivers\EdgeDriver;C:\Program Files\Amazon\AWSCLIV2;C:\Program Files\Amazon\SessionManagerPlugin\bin;C:\Program Files\Amazon\AWSSAMCLI\bin;C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\bin;C:\Program Files (x86)\Microsoft BizTalk Server;C:\Program Files\LLVM\bin;C:\Users\runneradmin\.dotnet\tools;C:\Users\runneradmin\AppData\Local\Microsoft\WindowsApps" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\test\\ui\\panics\\panic-short-backtrace-windows-x86_64\\a.exe"
------------------------------------------
------------------------------------------
stderr:
stderr:
------------------------------------------
thread 'main' panicked at 'd was called', D:\a\rust\rust\src/test\ui\panics\panic-short-backtrace-windows-x86_64.rs:48:5
0: std::panicking::begin_panic
1: d
2: c
3: b
---
Some tests failed in compiletest suite=ui mode=ui host=x86_64-pc-windows-msvc target=x86_64-pc-windows-msvc
command did not execute successfully: "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage0-tools-bin\\compiletest.exe" "--compile-lib-path" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2\\bin" "--run-lib-path" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2\\lib\\rustlib\\x86_64-pc-windows-msvc\\lib" "--rustc-path" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\stage2\\bin\\rustc.exe" "--src-base" "D:\\a\\rust\\rust\\src/test\\ui" "--build-base" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\test\\ui" "--stage-id" "stage2-x86_64-pc-windows-msvc" "--suite" "ui" "--mode" "ui" "--target" "x86_64-pc-windows-msvc" "--host" "x86_64-pc-windows-msvc" "--llvm-filecheck" "D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\llvm\\build\\bin\\FileCheck.exe" "--nodejs" "C:\\Program Files\\nodejs\\node" "--npm" "C:\\Program Files\\nodejs\\npm" "--host-rustcflags" "-Crpath -O -Cdebuginfo=0 -Lnative=D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\native\\rust-test-helpers" "--target-rustcflags" "-Crpath -O -Cdebuginfo=0 -Lnative=D:\\a\\rust\\rust\\build\\x86_64-pc-windows-msvc\\native\\rust-test-helpers" "--docck-python" "C:\\hostedtoolcache\\windows\\Python\\3.10.0\\x64\\python3.exe" "--lldb-python" "C:\\hostedtoolcache\\windows\\Python\\3.10.0\\x64\\python3.exe" "--gdb" "C:\\msys64\\usr\\bin\\gdb" "--llvm-version" "13.0.0-rust-1.59.0-nightly" "--llvm-components" "aarch64 aarch64asmparser aarch64codegen aarch64desc aarch64disassembler aarch64info aarch64utils aggressiveinstcombine all all-targets analysis arm armasmparser armcodegen armdesc armdisassembler arminfo armutils asmparser asmprinter avr avrasmparser avrcodegen avrdesc avrdisassembler avrinfo binaryformat bitreader bitstreamreader bitwriter bpf bpfasmparser bpfcodegen bpfdesc bpfdisassembler bpfinfo cfguard codegen core coroutines coverage debuginfocodeview debuginfodwarf debuginfogsym debuginfomsf debuginfopdb demangle dlltooldriver dwarflinker dwp engine executionengine extensions filecheck frontendopenacc frontendopenmp fuzzmutate globalisel hexagon hexagonasmparser hexagoncodegen hexagondesc hexagondisassembler hexagoninfo instcombine instrumentation interfacestub interpreter ipo irreader jitlink libdriver lineeditor linker lto m68k m68kasmparser m68kcodegen m68kdesc m68kdisassembler m68kinfo mc mca mcdisassembler mcjit mcparser mips mipsasmparser mipscodegen mipsdesc mipsdisassembler mipsinfo mirparser msp430 msp430asmparser msp430codegen msp430desc msp430disassembler msp430info native nativecodegen nvptx nvptxcodegen nvptxdesc nvptxinfo objcarcopts object objectyaml option orcjit orcshared orctargetprocess passes powerpc powerpcasmparser powerpccodegen powerpcdesc powerpcdisassembler powerpcinfo profiledata remarks riscv riscvasmparser riscvcodegen riscvdesc riscvdisassembler riscvinfo runtimedyld scalaropts selectiondag sparc sparcasmparser sparccodegen sparcdesc sparcdisassembler sparcinfo support symbolize systemz systemzasmparser systemzcodegen systemzdesc systemzdisassembler systemzinfo tablegen target textapi transformutils vectorize webassembly webassemblyasmparser webassemblycodegen webassemblydesc webassemblydisassembler webassemblyinfo webassemblyutils windowsmanifest x86 x86asmparser x86codegen x86desc x86disassembler x86info xray" "--cc" "" "--cxx" "" "--cflags" "" "--adb-path" "adb" "--adb-test-dir" "/data/tmp/work" "--android-cross-path" "" "--channel" "nightly" "--color" "always"
Build completed unsuccessfully in 0:42:07
Build completed unsuccessfully in 0:42:07
make: *** [Makefile:74: ci-subset-2] Error 1

bors · 2021-12-21T12:49:05Z

💔 Test failed - checks-actions

matthiaskrgr · 2021-12-21T12:56:25Z

@bors retry #92000

bors · 2021-12-21T16:04:57Z

⌛ Testing commit 386ab1e with merge e100ec5...

bors · 2021-12-21T19:11:32Z

☀️ Test successful - checks-actions
Approved by: jyn514
Pushing e100ec5 to master...

rust-timer · 2021-12-22T04:13:02Z

Finished benchmarking commit (e100ec5): comparison url.

Summary: This benchmark run did not return any relevant changes.

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

@rustbot label: -perf-regression

rust-highfive assigned GuillaumeGomez Dec 19, 2021

rustbot added the T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. label Dec 19, 2021

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 19, 2021

vacuus changed the title ~~rustdoc: Omit conditional check of successive line in loop~~rustdoc: Omit conditional check of successive line in loop & don't use 'need_backline' (tentative)Dec 19, 2021

jyn514 reviewed Dec 19, 2021
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jyn514 assigned jyn514 and unassigned GuillaumeGomez Dec 19, 2021

vacuus changed the title ~~rustdoc: Omit conditional check of successive line in loop & don't use 'need_backline' (tentative)~~rustdoc: Remove 'need_backline' field from DocFragmentDec 19, 2021

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bors merged commit e100ec5 into rust-lang:masterDec 21, 2021

rustbot added this to the 1.59.0 milestone Dec 21, 2021

This was referenced Dec 21, 2021
rustdoc: Remove apparently unnecessary conditional in doc_value#91305
Merged
rustdoc: Return a String from collapsed_doc_value, not an Option #92078
Closed
rustdoc: Return String from doc_value, not Option #92079
Closed

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