Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code #141770

GuillaumeGomez · 2025-05-30T13:36:57Z

Follow-up of #141747.

Thanks @camelid for spotting it!

…common code * Fix invalid whitespace handling

GuillaumeGomez · 2025-05-30T13:38:41Z

src/librustdoc/clean/cfg.rs

        let on = if self.omit_preposition() {
-            ""
+            " "


I changed this a bit because the generated whitespace characters were invalid in render_long_plain with the previous code (two whitespace characters after Available for this case).

A little confused about why this had to be changed. It seems like every branch of this if-else has a leading space. But it doesn't matter.

GuillaumeGomez · 2025-05-30T13:39:49Z

tests/rustdoc/cfg-bool.rs

-// a cfg(true) will simply be ommited, as it is the same as no cfg.
-//@ !has 'foo/fn.bar.html' '//div[@class="stab portability"]' ''
+// a cfg(true) will simply be omited, as it is the same as no cfg.
+//@ count 'foo/fn.bar.html' '//*[@class="stab portability"]' 0


We should maybe restrain usage of !has as it's so easily outdated...

Probably would be a good idea to just mention it in the docs we have now, "consider using count <...> 0 instead of !has

It's not much better though. We need to find a way to prevent it from ever rotting.

tests/rustdoc/cfg-bool.rs

* Fix typo * Remove usage of `!has`

GuillaumeGomez · 2025-06-03T08:36:51Z

Fixed typo.

camelid · 2025-06-13T02:02:58Z

src/librustdoc/clean/cfg.rs

        let on = if self.omit_preposition() {
-            ""
+            " "


A little confused about why this had to be changed. It seems like every branch of this if-else has a leading space. But it doesn't matter.

camelid · 2025-06-13T02:04:53Z

src/librustdoc/clean/cfg.rs

+
+    /// Renders the configuration for long display, as a long HTML description.
+    pub(crate) fn render_long_html(&self) -> String {
+        let mut msg = self.render_long_inner(Format::LongHtml);
        msg.push('.');


Doesn't matter for this PR since it's preexisting, but any idea why we end with a . for the html but not for the plain?

camelid · 2025-06-13T02:05:30Z

@bors r+ rollup

bors · 2025-06-13T02:06:10Z

📌 Commit fca28ab has been approved by camelid

It is now in the queue for this repository.

Rollup of 10 pull requests Successful merges: - #134847 (Implement asymmetrical precedence for closures and jumps) - #141491 (Delegate `<CStr as Debug>` to `ByteStr`) - #141770 (Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code) - #142069 (Introduce `-Zmacro-stats`) - #142158 (Tracking the old name of renamed unstable library features) - #142221 ([AIX] strip underlying xcoff object) - #142340 (miri: we can use apfloat's mul_add now) - #142379 (Add bootstrap option to compile a tool with features) - #142410 (intrinsics: rename min_align_of to align_of) - #142413 (rustc-dev-guide subtree update) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of #141770 - GuillaumeGomez:cfg-false-mod-rendering, r=camelid Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code Follow-up of #141747. Thanks `@camelid` for spotting it! r? `@camelid`

Rollup of 10 pull requests Successful merges: - rust-lang/rust#134847 (Implement asymmetrical precedence for closures and jumps) - rust-lang/rust#141491 (Delegate `<CStr as Debug>` to `ByteStr`) - rust-lang/rust#141770 (Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code) - rust-lang/rust#142069 (Introduce `-Zmacro-stats`) - rust-lang/rust#142158 (Tracking the old name of renamed unstable library features) - rust-lang/rust#142221 ([AIX] strip underlying xcoff object) - rust-lang/rust#142340 (miri: we can use apfloat's mul_add now) - rust-lang/rust#142379 (Add bootstrap option to compile a tool with features) - rust-lang/rust#142410 (intrinsics: rename min_align_of to align_of) - rust-lang/rust#142413 (rustc-dev-guide subtree update) r? `@ghost` `@rustbot` modify labels: rollup

Kobzol · 2025-06-17T06:37:04Z

@rust-timer build c6e5e1c

(Trying for #142442)

rust-timer · 2025-06-17T10:43:32Z

Finished benchmarking commit (c6e5e1c): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-1.1%	[-1.1%, -1.0%]	2
Improvements ✅ (secondary)	-0.2%	[-0.2%, -0.2%]	1
All ❌✅ (primary)	-1.1%	[-1.1%, -1.0%]	2

Max RSS (memory usage)

Results (secondary 3.0%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	3.0%	[3.0%, 3.0%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary -0.9%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	2.4%	[2.4%, 2.4%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.5%	[-2.7%, -2.3%]	2
All ❌✅ (primary)	-	-	0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 754.993s -> 690.705s (-8.52%)
Artifact size: 372.27 MiB -> 372.22 MiB (-0.01%)

…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#134847 (Implement asymmetrical precedence for closures and jumps) - rust-lang#141491 (Delegate `<CStr as Debug>` to `ByteStr`) - rust-lang#141770 (Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code) - rust-lang#142069 (Introduce `-Zmacro-stats`) - rust-lang#142158 (Tracking the old name of renamed unstable library features) - rust-lang#142221 ([AIX] strip underlying xcoff object) - rust-lang#142340 (miri: we can use apfloat's mul_add now) - rust-lang#142379 (Add bootstrap option to compile a tool with features) - rust-lang#142410 (intrinsics: rename min_align_of to align_of) - rust-lang#142413 (rustc-dev-guide subtree update) r? `@ghost` `@rustbot` modify labels: rollup

* Merge Cfg::render_long_html and Cfg::render_long_plain methods …

ce0c17a

…common code * Fix invalid whitespace handling

rustbot assigned camelid May 30, 2025

rustbot added S-waiting-on-review T-rustdoc T-rustdoc-frontend labels May 30, 2025

GuillaumeGomez commented May 30, 2025

View reviewed changes

GuillaumeGomez force-pushed the cfg-false-mod-rendering branch from 4655783 to 358d5ea Compare May 30, 2025 13:39

GuillaumeGomez commented May 30, 2025

View reviewed changes

camelid reviewed Jun 3, 2025

View reviewed changes

tests/rustdoc/cfg-bool.rs Outdated Show resolved Hide resolved

* Add test case for cfg(false) on module level

fca28ab

* Fix typo * Remove usage of `!has`

GuillaumeGomez force-pushed the cfg-false-mod-rendering branch from 358d5ea to fca28ab Compare June 3, 2025 08:35

camelid approved these changes Jun 13, 2025

View reviewed changes

bors added S-waiting-on-bors and removed S-waiting-on-review labels Jun 13, 2025

matthiaskrgr mentioned this pull request Jun 13, 2025

Rollup of 10 pull requests #142442

Merged

bors merged commit 06dc338 into rust-lang:master Jun 13, 2025
10 checks passed

rustbot added this to the 1.89.0 milestone Jun 13, 2025

GuillaumeGomez deleted the cfg-false-mod-rendering branch June 13, 2025 14:42

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Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code #141770

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Merge Cfg::render_long_html and Cfg::render_long_plain methods common code #141770

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Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code #141770

Merge `Cfg::render_long_html` and `Cfg::render_long_plain` methods common code #141770