Add escape_ascii method to u8 and [u8] #73111

clarfonthey · 2020-06-08T01:06:36Z

Essentially, this closes an inconsistency gap between char/str and u8/[u8].

Right now the EscapeDefault type used in [u8]::escape_default is exported in core::slice, and it may make sense to move core::ascii::EscapeDefault into core::u8 as well. But for now, this leaves the core::ascii module alone and just calls its methods.

rust-highfive · 2020-06-08T01:06:39Z

r? @LukasKalbertodt

(rust_highfive has picked a reviewer for you, use r? to override)

rust-highfive · 2020-06-08T04:01:57Z

The job x86_64-gnu-llvm-8 of your PR failed (pretty log, raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

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Task         : Get sources
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Author       : Microsoft
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I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @rust-lang/infra. (Feature Requests)

Mark-Simulacrum · 2020-06-08T12:38:44Z

I feel like if these don't have ASCII in the name somehow they are quite confusing, and I'm not entirely sure if this is necessary over asking to convert to str and escaping that (perhaps via bstr crate).

clarfonthey · 2020-06-08T22:52:10Z

That's very fair -- I didn't know about the bstr crate, which would be very useful for all sorts of other reasons.

That said, I do think that the remaining method in the ascii module is kind of odd, and it makes much more sense to have it as an inherent method.

So, basically, to me, there are really two options: 1, deprecating in favour of the bstr crate, and 2, some form of this PR.

escape_default does seem like the right name, though, as it does escape into something that can be accepted in a raw string, just as str::escape_default does. That said, we could make it something like escape_ascii_default.

JohnCSimon · 2020-06-16T04:50:43Z

Ping from triage:
@clarfon - friendly reminder that this has sat idle for a week

clarfonthey · 2020-06-18T20:19:17Z

Sorry, I intentionally held off on fixing the code due to @Mark-Simulacrum's concerns about naming. Was going to wait to see if there's a consensus on that before fixing, as I can do both changes at once.

Mark-Simulacrum · 2020-06-18T20:36:17Z

Inherent methods seem reasonable for the ASCII-specific stuff, vs. having free-standing functions in the ASCII module.

I'm going to r? @BurntSushi as this sort of deals with the whole "Unicode" thing and bstr tangentially

Muirrum · 2020-07-24T00:34:32Z

@BurntSushi This is a triage bump.

bors · 2020-07-28T03:06:26Z

☔ The latest upstream changes (presumably #73265) made this pull request unmergeable. Please resolve the merge conflicts.

JohnCSimon · 2020-08-11T06:02:59Z

@clarfon
Hello from triage, can you please address the merge conflicts?

clarfonthey · 2020-08-11T07:08:06Z

Will try to get to that soon.

clarfonthey · 2020-08-16T01:11:48Z

Rebased; the current errors appear to be unrelated to this change.

matklad · 2020-08-24T13:10:10Z

library/core/src/num/mod.rs

+    /// ```
+    #[unstable(feature = "inherent_ascii_escape", issue = "none")]
+    #[inline]
+    pub fn escape_default(&self) -> ascii::EscapeDefault {


hand-wavy concern: I believe all the ascii_xxx methods on u8 ideally should have had self rather than &self argument, to be consistent with all other methods. The reason for &self I believe is historical, dating back to AsciiExt trait.

Should we use &self here to be consistent with other ascii method, or should we use self, to be consistent with non-ascii methods, and with the general pattern that small things are passed by self?

Agree with you, am fine with either convention.

Let's use self here instead of &self. In this case there's not much value in keeping consistency with this historical 'mistake'. (Since some_byte.escape_ascii() will work either way.)

bors · 2020-09-04T14:33:46Z

☔ The latest upstream changes (presumably #75207) made this pull request unmergeable. Please resolve the merge conflicts.

m-ou-se · 2020-12-30T17:05:41Z

Thanks for working on this. I have two small comments left, see above. Other than that, this looks ready to be merged.

m-ou-se · 2020-12-30T17:12:39Z

Oh, one more thing: This now uses both feature = "inherent_ascii_escape" and feature = "inherent_escape_default". I presume you meant to use the same feature name everywhere?

clarfonthey · 2020-12-30T20:46:22Z

Oh, yes, I did. Must have been a find-replace error. Will try and remember to get to this in a few hours when I'm done with work.

camelid · 2021-01-06T20:34:09Z

(I changed the PR title to reflect that it adds escape_ascii, not escape_default.)

library/core/src/num/mod.rs

library/core/src/slice/ascii.rs

library/core/src/slice/mod.rs

clarfonthey · 2021-01-17T04:46:15Z

Finally got to this and rebased with the feature flag fixed and suggestions applied, although I reworded the [u8] docs to be more consistent with the u8 docs.

rust-log-analyzer · 2021-01-17T05:18:40Z

The job x86_64-gnu-llvm-9 failed! Check out the build log: (web) (plain)

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

Suite("src/test/assembly") not skipped for "bootstrap::test::Assembly" -- not in ["src/tools/tidy"]
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test result: ok. 78 passed; 0 failed; 38 ignored; 0 measured; 0 filtered out; finished in 2.21s

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---
Building stage0 tool linkchecker (x86_64-unknown-linux-gnu)
   Compiling once_cell v1.4.1
   Compiling linkchecker v0.1.0 (/checkout/src/tools/linkchecker)
    Finished release [optimized] target(s) in 1.62s
core/slice/struct.EscapeAscii.html:5: broken intra-doc link - [<code>[u8]::escape_ascii</code>]
core/slice/struct.EscapeAscii.html:7: broken intra-doc link - [<code>[u8]::escape_ascii</code>]
thread 'main' panicked at 'found some broken links', src/tools/linkchecker/main.rs:111:9


command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/linkchecker" "/checkout/obj/build/x86_64-unknown-linux-gnu/doc"
expected success, got: exit code: 101

library/core/src/slice/ascii.rs

Co-authored-by: Camelid <[email protected]>

rust-log-analyzer · 2021-01-17T20:23:26Z

The job x86_64-gnu-llvm-9 failed! Check out the build log: (web) (plain)

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

Suite("src/test/assembly") not skipped for "bootstrap::test::Assembly" -- not in ["src/tools/tidy"]
Check compiletest suite=assembly mode=assembly (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)

running 29 tests
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---
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Check compiletest suite=debuginfo mode=debuginfo (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)

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test result: ok. 78 passed; 0 failed; 38 ignored; 0 measured; 0 filtered out; finished in 2.33s

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Suite("src/test/ui-fulldeps") not skipped for "bootstrap::test::UiFullDeps" -- not in ["src/tools/tidy"]
---
Building stage0 tool linkchecker (x86_64-unknown-linux-gnu)
   Compiling once_cell v1.4.1
   Compiling linkchecker v0.1.0 (/checkout/src/tools/linkchecker)
    Finished release [optimized] target(s) in 1.93s
core/slice/struct.EscapeAscii.html:5: broken intra-doc link - [<code>[u8]::escape_ascii</code>]
core/slice/struct.EscapeAscii.html:7: broken intra-doc link - [<code>[u8]::escape_ascii</code>]
thread 'main' panicked at 'found some broken links', src/tools/linkchecker/main.rs:111:9


command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-tools-bin/linkchecker" "/checkout/obj/build/x86_64-unknown-linux-gnu/doc"
expected success, got: exit code: 101

library/core/src/slice/ascii.rs

Co-authored-by: Camelid <[email protected]>

rust-log-analyzer · 2021-01-18T01:30:13Z

The job mingw-check failed! Check out the build log: (web) (plain)

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

configure: rust.channel         := nightly
configure: rust.debug-assertions := True
configure: llvm.assertions      := True
configure: dist.missing-tools   := True
configure: build.configure-args := ['--enable-sccache', '--disable-manage-submodu ...
configure: writing `config.toml` in current directory
configure: 
configure: run `python /checkout/x.py --help`
configure: 
---
Building stage0 std artifacts (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
    Finished release [optimized] target(s) in 0.17s
Copying stage0 std from stage0 (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu / x86_64-unknown-linux-gnu)
 Documenting core v0.0.0 (/checkout/library/core)
error: unresolved link to `slice::escape_ascii`
  --> library/core/src/slice/ascii.rs:90:60
   |
90 | /// This `struct` is created by the [`[u8]::escape_ascii`](slice::escape_ascii)
   |                                                            ^^^^^^^^^^^^^^^^^^^ no item named `slice` in scope
   |
   = note: `-D broken-intra-doc-links` implied by `-D warnings`

error: unresolved link to `slice::escape_ascii`
  --> library/core/src/slice/ascii.rs:90:60
   |
90 | /// This `struct` is created by the [`[u8]::escape_ascii`](slice::escape_ascii)
   |                                                            ^^^^^^^^^^^^^^^^^^^ no item named `slice` in scope
error: aborting due to 2 previous errors

error: could not document `core`


Caused by:
  process didn't exit successfully: `/checkout/obj/build/bootstrap/debug/rustdoc --edition=2018 --crate-type lib --crate-name core library/core/src/lib.rs --target x86_64-unknown-linux-gnu -o /checkout/obj/build/x86_64-unknown-linux-gnu/stage0-std/x86_64-unknown-linux-gnu/doc --error-format=json --json=diagnostic-rendered-ansi --markdown-css rust.css --markdown-no-toc -Z unstable-options --resource-suffix 1.51.0 --index-page /checkout/src/doc/index.md -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-std/x86_64-unknown-linux-gnu/release/deps -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage0-std/release/deps --cfg=bootstrap -Dwarnings -Winvalid_codeblock_attributes --crate-version '1.51.0-nightly
  (8feb86ab6
  2021-01-18)'` (exit code: 1)


command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "rustdoc" "--target" "x86_64-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "16" "--release" "--locked" "--color" "always" "--features" "panic-unwind backtrace compiler-builtins-c" "--manifest-path" "/checkout/library/test/Cargo.toml" "-p" "core" "--" "--markdown-css" "rust.css" "--markdown-no-toc" "-Z" "unstable-options" "--resource-suffix" "1.51.0" "--index-page" "/checkout/src/doc/index.md"


failed to run: /checkout/obj/build/bootstrap/debug/bootstrap doc --stage 0 library/std
Build completed unsuccessfully in 0:00:10

camelid · 2021-01-18T02:06:17Z

Hmm, I'm not sure why the intra-doc links aren't resolving...

clarfonthey · 2021-01-18T05:23:03Z

Pretty sure it's because slice doesn't work in intra-rustdoc links. Will try and fix later.

camelid · 2021-01-18T17:27:58Z

slice should work though: #80181

camelid · 2021-02-12T04:55:49Z

What is the status of this?

Dylan-DPC-zz · 2021-02-13T01:49:30Z

@clarfonthey
thanks for taking the time to contribute. I have to close this due to inactivity. If you wish and you have the time you can open a new PR with these changes and we'll take it from there. Thanks

escape_ascii take 2 The previous PR, rust-lang#73111 was closed for inactivity; since I've had trouble in the past reopening closed PRs, I'm just making a new one. I'm still running the tests locally but figured I'd open the PR in the meantime. Will fix whatever errors show up so we don't have to wait again for this. r? `@m-ou-se`

escape_ascii take 2 The previous PR, rust-lang#73111 was closed for inactivity; since I've had trouble in the past reopening closed PRs, I'm just making a new one. I'm still running the tests locally but figured I'd open the PR in the meantime. Will fix whatever errors show up so we don't have to wait again for this. r? ``@m-ou-se``

escape_ascii take 2 The previous PR, rust-lang#73111 was closed for inactivity; since I've had trouble in the past reopening closed PRs, I'm just making a new one. I'm still running the tests locally but figured I'd open the PR in the meantime. Will fix whatever errors show up so we don't have to wait again for this. r? `@m-ou-se`

escape_ascii take 2 The previous PR, rust-lang#73111 was closed for inactivity; since I've had trouble in the past reopening closed PRs, I'm just making a new one. I'm still running the tests locally but figured I'd open the PR in the meantime. Will fix whatever errors show up so we don't have to wait again for this. r? ``@m-ou-se``

rust-highfive assigned LukasKalbertodt Jun 8, 2020

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jun 8, 2020

clarfonthey force-pushed the escape branch from d8a3523 to c277518 Compare June 8, 2020 02:27

LeSeulArtichaut added needs-rfc This change is large or controversial enough that it should have an RFC accepted before doing it. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. labels Jun 8, 2020

JohnCSimon added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 16, 2020

rust-highfive assigned BurntSushi and unassigned LukasKalbertodt Jun 18, 2020

Elinvynia added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Jul 2, 2020

JohnCSimon added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 11, 2020

clarfonthey force-pushed the escape branch 3 times, most recently from d5dc387 to 4745f42 Compare August 15, 2020 21:10

matklad reviewed Aug 24, 2020

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camelid changed the title ~~Add escape_default method to u8 and [u8]~~ Add escape_ascii method to u8 and [u8] Jan 6, 2021

camelid reviewed Jan 6, 2021

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Add escape_default method to u8 and [u8]

35ea315

clarfonthey force-pushed the escape branch from d66f3dd to 35ea315 Compare January 17, 2021 04:46

camelid reviewed Jan 17, 2021

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library/core/src/slice/ascii.rs Outdated Show resolved Hide resolved

Update library/core/src/slice/ascii.rs

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Co-authored-by: Camelid <[email protected]>

camelid reviewed Jan 17, 2021

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library/core/src/slice/ascii.rs Outdated Show resolved Hide resolved

Update library/core/src/slice/ascii.rs

c7bcf1e

Co-authored-by: Camelid <[email protected]>

Dylan-DPC-zz added S-inactive Status: Inactive and waiting on the author. This is often applied to closed PRs. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Feb 13, 2021

Dylan-DPC-zz closed this Feb 13, 2021

clarfonthey mentioned this pull request Mar 14, 2021

escape_ascii take 2 #83130

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Mark-Simulacrum mentioned this pull request Feb 12, 2022

Stabilise inherent_ascii_escape (FCP in #77174) #93886

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Add escape_ascii method to u8 and [u8] #73111

Add escape_ascii method to u8 and [u8] #73111

clarfonthey commented Jun 8, 2020

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Dylan-DPC-zz commented Feb 13, 2021

Add escape_ascii method to u8 and [u8] #73111

Add escape_ascii method to u8 and [u8] #73111

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clarfonthey commented Jun 8, 2020

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