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make things clearer.
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Update books
Update reference, book, rust-by-example, edition-guide, embedded-book
## reference
15 commits in 41493ffce5d0e17d54eaf5ec9a995054e2b9aece..27ad493a10364e907ec476e2ad61e8a1614b57e1
2019-03-05 12:32:22 +0100 to 2019-03-26 02:06:15 +0100
- Document wasm_import_module for #[link]. (rust-lang-nursery/reference#554)
- Fix tidy error. (rust-lang-nursery/reference#552)
- Some minor contributing updates. (rust-lang-nursery/reference#551)
- Document `type_length_limit`. (rust-lang-nursery/reference#546)
- Add some terms to the glossary. (rust-lang-nursery/reference#547)
- Document `target_feature` and `cfg_target_feature`. (rust-lang-nursery/reference#545)
- Remove undocumented page (rust-lang-nursery/reference#539)
- Reorg and update attributes (rust-lang-nursery/reference#537)
- Fix some minor link errors. (rust-lang-nursery/reference#538)
- Add linkchecker. (rust-lang-nursery/reference#521)
- Expand docs on Macros By Example. (rust-lang-nursery/reference#511)
- document #[panic_handler] (rust-lang-nursery/reference#362)
- document #[used] (rust-lang-nursery/reference#361)
- Note that UB is program-global (rust-lang-nursery/reference#490)
- Fix copy-paste error in procedural-macros.md (rust-lang-nursery/reference#533)
## book
16 commits in 9cffbeabec3bcec42d09432bfe7705125c848889..b93ec30bbc7b1b5c2f44223249ab359bed2ed5a6
2019-03-02 08:22:41 -0500 to 2019-03-26 16:54:10 -0400
- Unignore example that now compiles
- Fix code snippet (rust-lang/book#1863)
- Fix mdbook link text in readme (rust-lang/book#1881)
- Wrap to 80 cols
- Make sentence more complete (rust-lang/book#1885)
- consistenly use increment and decrement (rust-lang/book#1884)
- Fix link to Reference's conditional-compilation. (rust-lang/book#1878)
- Fix subject/verb agreement
- Remove nostarch snapshot files that have been incorporated and checked
- haha teach the dictionary steve's name
- Add authorship info to the front page
- fix accidental <ol>'s (rust-lang/book#1866)
- Edits to Macros (rust-lang/book#1848)
- Mention `lock` returns `MutexGuard` wrapped in a `LockResult`
- Add an example that illustrates NLL (rust-lang/book#1842)
- change the parameter name from `type` to `kind` (rust-lang/book#1845)
## rust-by-example
33 commits in 2ce92beabb912d417a7314d6da83ac9b50dc2afb..f68ef3d0f4959f6a7d92a08d9994b117f0f4d32d
2018-11-20 10:10:23 -0500 to 2019-03-12 15:32:12 -0300
- Fix some broken links. (rust-lang/rust-by-example#1161)
- Update links in README (rust-lang/rust-by-example#1167)
- Add score/lifetimes/trait.md (rust-lang/rust-by-example#1168)
- Fix rust-lang/rust-by-example#1147 - No more `open_mode` method (rust-lang/rust-by-example#1164)
- Fix for loop description in list print example (rust-lang/rust-by-example#1162)
- Add link to Cargo chapter in the index page (rust-lang/rust-by-example#1159)
- Fix grammar in sentence about integer notation (rust-lang/rust-by-example#1157)
- Do not use deprecated functions from `std::error::Error` trait (rust-lang/rust-by-example#1151)
- Update new_types.md to clarify conversion to base type (rust-lang/rust-by-example#1148)
- Fix compatibility with Rust 2018 (rust-lang/rust-by-example#1150)
- Hello: Fix hint link in `fmt` chapter. (rust-lang/rust-by-example#1146)
- Clarify pub(restricted) example a bit (rust-lang/rust-by-example#1133)
- Add "literal" to list of macro designators (rust-lang/rust-by-example#1153)
- Minor fixes for the macros chapter (rust-lang/rust-by-example#1113)
- Use new book links instead of the old second-edition ones (rust-lang/rust-by-example#1143)
- Recommend implementing Display over ToString (rust-lang/rust-by-example#1145)
- Remove unused import and format with `rustfmt` (rust-lang/rust-by-example#1144)
- fix typo (rust-lang/rust-by-example#1142)
- Update syntax for 2018 Edition (rust-lang/rust-by-example#1136)
- Added two missing full stops (rust-lang/rust-by-example#1138)
- Removed unnecessary spaces before macro designators in macros/dry (rust-lang/rust-by-example#1139)
- fix install mdbook command (rust-lang/rust-by-example#1128)
- Changed word `function` to `type` in comment of fn area (rust-lang/rust-by-example#1132)
- Added two missing backticks in generics/multi_bounds (rust-lang/rust-by-example#1129)
- Fixed small logic error in error/option_unwrap/and_then (rust-lang/rust-by-example#1127)
- Fix typo (rust-lang/rust-by-example#1125)
- The code of conduct link was dead. I fixed it. (rust-lang/rust-by-example#1122)
- I added a space in the Display fmt for Complex (rust-lang/rust-by-example#1123)
- Fix Rust install link in the index (rust-lang/rust-by-example#1124)
- Update cargo conventions section (rust-lang/rust-by-example#1121)
- Fixed curly braces in the `To and from Strings` chapter to be parentheses (rust-lang/rust-by-example#1120)
- Edit a typo (rust-lang/rust-by-example#1119)
- Fixes rust-lang/rust-by-example#1115 by correcting the typo from into_iterator to into_iter (rust-lang/rust-by-example#1118)
## edition-guide
1 commits in aa0022c875907886cae8f3ef8e9ebf6e2a5e728d..b56ddb11548450a6df4edd1ed571b2bc304eb9e6
2019-02-27 22:10:39 -0800 to 2019-03-10 10:23:16 +0100
- Links fixes (rust-lang-nursery/edition-guide#133)
## embedded-book
6 commits in 9e656ead82bfe869493dec82653a52e27fa6a05c..07fd3880ea0874d82b1d9ed30ad3427ec98b4e8a
2019-03-03 16:03:26 +0000 to 2019-03-27 15:40:52 +0000
- Fix test errors. (rust-embedded/book#180)
- Update qemu.md (rust-embedded/book#170)
- Update no-std.md to remove obsolete FAQ link (rust-embedded/book#177)
- We've come a long way :) (rust-embedded/book#176)
- Correct link to team (rust-embedded/book#175)
- Update some book links to their new homes. (rust-embedded/book#173)
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This came out of the first Rustfix WG meeting.
One of the goals is to enable Rustfix tests for all UI tests that
trigger lints with `MachineApplicable` suggestions. In order to do that
we first want to create a tracking issue that lists all files with
missing `// run-rustfix` headers.
This PR adds a `--rustfix-coverage` flag to `./x.py` and compiletest to
list the files with the missing headers in `/tmp/rustfix_missing_coverage.txt`.
From that file we can create the tracking issue and at some point also
enforce the `// run-rustfix` flag on UI tests with `MachineApplicable`
lints.
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Rework how bootstrap tools are built
This makes bootstrap tools buildable and testable in stage 0 with the downloaded bootstrap compiler, futhermore, it makes it such that they cannot be built in any other stage.
Notably, this will also mean that compiletest may need to wait a cycle before it can use changes to `libtest`, as it no longer depends on the in-tree libtest.
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Introduce assembly tests suite
The change introduces a new test suite - **Assembly** tests. The motivation behind this is an ability to perform end-to-end codegen testing with LLVM backend. Turned out, NVPTX backend sometimes missing common Rust features (`i128` and libcalls in the past, and still full atomics support) due to different reasons.
Prior to this change, basic NVPTX assembly tests were implemented within `run-make` suite. Now, it's easier to write additional and maintain existing tests for the target.
cc @gnzlbg @peterhj
cc @eddyb I adjusted mangling scheme expectation, so there is no need to change the tests for #57967
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enable them by default.
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This allows us to e.g. test compiletest, including doctests, in stage 0
without building a fresh compiler and rustdoc.
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This avoids building compilers that we don't need -- most tools will work
just fine with the downloaded compiler.
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compiletest: Support opt-in Clang-based run-make tests and use them for testing xLTO.
Some cross-language run-make tests need a Clang compiler that matches the LLVM version of `rustc`. Since such a compiler usually isn't available these tests (marked with the `needs-matching-clang`
directive) are ignored by default.
For some CI jobs we do need these tests to run unconditionally though. In order to support this a `--force-clang-based-tests` flag is added to compiletest. If this flag is specified, `compiletest` will fail if it can't detect an appropriate version of Clang.
@rust-lang/infra The PR doesn't yet enable the tests yet. Do you have any recommendation for which jobs to enable them?
cc #57438
r? @alexcrichton
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bootstrap: fix edition
A byproduct of work on https://github.com/rust-lang/rust/pull/56595; done with `cargo fix --edition`.
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The (currently) single unit test of the compiletest tool was never
executed on CI. At least I couldn't find any references of it in the
logs. This adds a test suite for compiletest so that our tester is
tested, too.
The compiletest tests can then also be executed with:
./x.py test src/tools/compiletest
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Ever since we added a Cargo-based build system for the compiler the
standard library has always been a little special, it's never been able
to depend on crates.io crates for runtime dependencies. This has been a
result of various limitations, namely that Cargo doesn't understand that
crates from crates.io depend on libcore, so Cargo tries to build crates
before libcore is finished.
I had an idea this afternoon, however, which lifts the strategy
from #52919 to directly depend on crates.io crates from the standard
library. After all is said and done this removes a whopping three
submodules that we need to manage!
The basic idea here is that for any crate `std` depends on it adds an
*optional* dependency on an empty crate on crates.io, in this case named
`rustc-std-workspace-core`. This crate is overridden via `[patch]` in
this repository to point to a local crate we write, and *that* has a
`path` dependency on libcore.
Note that all `no_std` crates also depend on `compiler_builtins`, but if
we're not using submodules we can publish `compiler_builtins` to
crates.io and all crates can depend on it anyway! The basic strategy
then looks like:
* The standard library (or some transitive dep) decides to depend on a
crate `foo`.
* The standard library adds
```toml
[dependencies]
foo = { version = "0.1", features = ['rustc-dep-of-std'] }
```
* The crate `foo` has an optional dependency on `rustc-std-workspace-core`
* The crate `foo` has an optional dependency on `compiler_builtins`
* The crate `foo` has a feature `rustc-dep-of-std` which activates these
crates and any other necessary infrastructure in the crate.
A sample commit for `dlmalloc` [turns out to be quite simple][commit].
After that all `no_std` crates should largely build "as is" and still be
publishable on crates.io! Notably they should be able to continue to use
stable Rust if necessary, since the `rename-dependency` feature of Cargo
is soon stabilizing.
As a proof of concept, this commit removes the `dlmalloc`,
`libcompiler_builtins`, and `libc` submodules from this repository. Long
thorns in our side these are now gone for good and we can directly
depend on crates.io! It's hoped that in the long term we can bring in
other crates as necessary, but for now this is largely intended to
simply make it easier to manage these crates and remove submodules.
This should be a transparent non-breaking change for all users, but one
possible stickler is that this almost for sure breaks out-of-tree
`std`-building tools like `xargo` and `cargo-xbuild`. I think it should
be relatively easy to get them working, however, as all that's needed is
an entry in the `[patch]` section used to build the standard library.
Hopefully we can work with these tools to solve this problem!
[commit]: https://github.com/alexcrichton/dlmalloc-rs/commit/28ee12db813a3b650a7c25d1c36d2c17dcb88ae3
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Various minor/cosmetic improvements to code
r? @Centril 😄
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This commit replaces many usages of `File::open` and reading or writing
with `fs::read_to_string`, `fs::read` and `fs::write`. This reduces code
complexity, and will improve performance for most reads, since the
functions allocate the buffer to be the size of the file.
I believe that this commit will not impact behavior in any way, so some
matches will check the error kind in case the file was not valid UTF-8.
Some of these cases may not actually care about the error.
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The run-pass test suite currently takes 30 minutes on Windows, and
that appears to be roughly split between two 15 minute runs of the test
suite: one without NLL and one with NLL. In discussion on Discord the
platform coverage of the NLL compare mode may not necessarily be worth
it, so this commit removes the NLL compare mode from tests by default,
and then reenables it on only one builder.
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even when cross-compiling.
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This commit removes all jemalloc related submodules, configuration, etc,
from the bootstrap, from the standard library, and from the compiler.
This will be followed up with a change to use jemalloc specifically as
part of rustc on blessed platforms.
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bootstrap: clean up a few clippy findings
remove useless format!()s
remove redundant field names in a few struct initializations
pass slice instead of a vector to a function
use is_empty() instead of comparisons to .len()
No functional change intended.
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remove useless format!()s
remove redundant field names in a few struct initializations
pass slice instead of a vector to a function
use is_empty() instead of comparisons to .len()
No functional change intended.
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In addition to to updating Cargo's submodule and Cargo's dependencies,
this also updates Cargo's build to build OpenSSL statically into Cargo
as well as libcurl unconditionally. This removes OpenSSL build logic
from the bootstrap code, and otherwise requests that even on OSX we
build curl statically.
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Currently lldb tests are run only on macOS, and gdb tests are only run
elsewhere. This patch changes this to run tests depending on what is
available.
One test is changed, as it was previously marked as failing on macOS,
whereas really it is a generic failure with lldb.
Closes #54721
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If the rust-enabled lldb was built, then use it when running the
debuginfo tests. Updating the lldb submodule was necessary as this
needed a way to differentiate the rust-enabled lldb, so I added a line
to the --version output.
This adds compiletest commands to differentiate between the
rust-enabled and non-rust-enabled lldb, as is already done for gdb. A
new "rust-lldb" header directive is also added, but not used in this
patch; I plan to use it in #54004.
This updates all the tests.
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