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Add impls of `IntoDiagnosticArg` for `std::io::Error`, `std::path::Path`
and `std::path::PathBuf`.
Signed-off-by: David Wood <david.wood@huawei.com>
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This unifies the struct_{warn,error,fatal}() methods in one generic
method.
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Reenable disabled early syntax gates as future-incompatibility lints
- MCP: https://github.com/rust-lang/compiler-team/issues/535
The approach taken by this PR is
- Introduce a new lint, `unstable_syntax_pre_expansion`, and reenable the early syntax gates to emit it
- Use the diagnostic stashing mechanism to stash warnings the early warnings
- When the hard error occurs post expansion, steal and cancel the early warning
- Don't display any stashed warnings if errors are present to avoid the same noise problem that hiding type ascription errors is avoiding
Commits are working commits, but in a coherent steps-to-implement manner. Can be squashed if desired.
The preexisting `soft_unstable` lint seems like it would've been a good fit, but it is deny-by-default (appropriate for `#[bench]`) and these gates should be introduced as warn-by-default.
It may be desirable to change the stash mechanism's behavior to not flush lint errors in the presence of other errors either (like is done for warnings here), but upgrading a stash-using lint from warn to error perhaps is enough of a request to see the lint that they shouldn't be hidden; additionally, fixing the last error to get new errors thrown at you always feels bad, so if we know the lint errors are present, we should show them.
Using a new flag/mechanism for a "weak diagnostic" which is suppressed by other errors may also be desirable over assuming any stashed warnings are "weak," but this is the first user of stashing warnings and seems an appropriate use of stashing (it follows the "know more later to refine the diagnostic" pattern; here we learn that it's in a compiled position) so we get to define what it means to stash a non-hard-error diagnostic.
cc `````@petrochenkov````` (seconded MCP)
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never consider unsafe blocks unused if they would be required with deny(unsafe_op_in_unsafe_fn)
Judging from https://github.com/rust-lang/rust/issues/71668#issuecomment-1200317370 the consensus nowadays seems to be that we should never consider an unsafe block unused if it was required with `deny(unsafe_op_in_unsafe_fn)`, no matter whether that lint is actually enabled or not. So let's adjust rustc accordingly.
The first commit does the change, the 2nd does some cleanup.
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r=davidtwco
Migrations for rustc_expand transcribe.rs
This PR includes some migrations to the new diagnostics API for the `rustc_expand` module.
r? ```@davidtwco```
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slug name
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triagebot: add translation-related mention groups
- Move some code around so that triagebot can ping relevant parties when translation logic is modified.
- Add mention groups to triagebot for translation-related files/folders.
- Auto-label pull requests with changes to translation-related files/folders with `A-translation`.
r? `@Mark-Simulacrum`
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Suggest adding an array length if possible
fixes #100448
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Just moving code around so that triagebot can ping relevant parties when
translation logic is modified.
Signed-off-by: David Wood <david.wood@huawei.com>
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If a primary bundle doesn't contain a message then the fallback bundle
is used. However, if the primary bundle's message is broken (e.g. it
refers to a interpolated variable that the compiler isn't providing)
then this would just result in a compiler panic. While there aren't any
primary bundles right now, this is the type of issue that could come up
once translation is further along.
Signed-off-by: David Wood <david.wood@huawei.com>
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Stabilize backtrace
This PR stabilizes the std::backtrace module. As of #99431, the std::Error::backtrace item has been removed, and so the rest of the backtrace feature is set to be stabilized.
Previous discussion can be found in #72981, #3156.
Stabilized API summary:
```rust
pub mod std {
pub mod backtrace {
pub struct Backtrace { }
pub enum BacktraceStatus {
Unsupported,
Disabled,
Captured,
}
impl fmt::Debug for Backtrace {}
impl Backtrace {
pub fn capture() -> Backtrace;
pub fn force_capture() -> Backtrace;
pub const fn disabled() -> Backtrace;
pub fn status(&self) -> BacktraceStatus;
}
impl fmt::Display for Backtrace {}
}
}
```
`@yaahc`
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deps: dedupe `annotate-snippets` crate versions
Dedupes `annotate-snippets` crate versions (https://github.com/rust-lang/annotate-snippets-rs/blob/0.9.1/CHANGELOG.md). Should work, but there is not a lot of tests.
Looks like switching to that crate a bit stalled.
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unsafe_op_in_unsafe_fn
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Remove the unused StableSet and StableMap types from rustc_data_structures.
The current implementation is not "stable" in the same sense that `HashStable` and `StableHasher` are stable, i.e. across compilation sessions. So, in my opinion, it's better to remove those types (which are basically unused anyway) than to give the wrong impression that these are safe for incr. comp.
I plan to provide new "stable" collection types soon that can be used to replace `FxHashMap` and `FxHashSet` in query results (see [draft](https://github.com/michaelwoerister/rust/commit/69d03ac7a7d651a397ab793e9d78f8fce3edf7a6)). It's unsound that `HashMap` and `HashSet` implement `HashStable` (see https://github.com/rust-lang/rust/issues/98890 for a recent P-critical bug caused by this) -- so we should make some progress there.
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r=compiler-errors
Avoid some `Symbol` to `String` conversions
This patch removes some Symbol to String conversions.
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Migrate half of the `rustc_passes::check_attr` diagnostics to using
diagnostic derives and being translatable.
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Apply the `#[rustc_lint_diagnostics]` attribute to
`LintDiagnosticBuilder::build` so that diagnostic migration lints will
trigger for it.
Signed-off-by: David Wood <david.wood@huawei.com>
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Implements `IntoDiagnosticArg` for `char` using its `Debug`
implementation and introduces a macro for those types which just
delegate the implementation to `ToString`.
Signed-off-by: David Wood <david.wood@huawei.com>
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Fix duplicated type annotation suggestion
Before, there was more or less duplicated suggestions to add type hints.
Fix by clearing more generic suggestions when a more specific suggestion
is possible.
This fixes #93506 .
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Before, there was more or less duplicated suggestions to add type hints.
Fix by clearing more generic suggestions when a more specific suggestion
is possible.
This fixes #93506 .
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compiler-errors:rustc-const-eval-session-diagnostic-1, r=davidtwco
Migrate some diagnostics from `rustc_const_eval` to `SessionDiagnostic`
I'm still trying to get the hang of this, so it doesn't migrate _all_ of `rustc_const_eval`. Working on that later.
r? `@davidtwco`
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sess: stabilize `--terminal-width` as `--diagnostic-width`
Formerly `-Zterminal-width`, `--terminal-width` allows the user or build
tool to inform rustc of the width of the terminal so that diagnostics
can be truncated.
Pending agreement to stabilize, see tracking issue at #84673.
r? ```@oli-obk```
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Rename the `--output-width` flag to `--diagnostic-width` as this appears
to be the preferred name within the compiler team.
Signed-off-by: David Wood <david.wood@huawei.com>
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Rename the `--terminal-width` flag to `--output-width` as the behaviour
doesn't just apply to terminals (and so is slightly less accurate).
Signed-off-by: David Wood <david.wood@huawei.com>
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Add a new trait to be generated by diagnostic derives which uses a
`LintDiagnosticBuilder`.
Signed-off-by: David Wood <david.wood@huawei.com>
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Signed-off-by: David Wood <david.wood@huawei.com>
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lints: mostly translatable diagnostics
As lints are created slightly differently than other diagnostics, intended to try make them translatable first and then look into the applicability of diagnostic structs but ended up just making most of the diagnostics in the crate translatable (which will still be useful if I do make a lot of them structs later anyway).
r? ``@compiler-errors``
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Bump bootstrap compiler
r? `@Mark-Simulacrum`
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use "or pattern"
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Signed-off-by: David Wood <david.wood@huawei.com>
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Signed-off-by: David Wood <david.wood@huawei.com>
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Signed-off-by: David Wood <david.wood@huawei.com>
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Signed-off-by: David Wood <david.wood@huawei.com>
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Signed-off-by: David Wood <david.wood@huawei.com>
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