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`tests/ui`: A New Order [19/N]
> [!NOTE]
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> Intermediate commits are intended to help review, but will be squashed prior to merge.
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
r? `@tgross35`
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`rustc_layout_scalar_valid_range_start` and `rustc_layout_scalar_valid_range_end`
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Port `#[rustc_layout_scalar_valid_range_start/end]` to the new attrib…
Ports `rustc_layout_scalar_valid_range_start` and `rustc_layout_scalar_valid_range_end` to the new attribute parsing infrastructure for https://github.com/rust-lang/rust/issues/131229#issuecomment-2971353197
r? `@jdonszelmann`
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`tests/ui`: A New Order [17/N]
> [!NOTE]
>
> Intermediate commits are intended to help review, but will be squashed prior to merge.
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
r? `@tgross35`
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`tests/ui`: A New Order [9/N]
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
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New const traits syntax
This PR only affects the AST and doesn't actually change anything semantically.
All occurrences of `~const` outside of libcore have been replaced by `[const]`. Within libcore we have to wait for rustfmt to be bumped in the bootstrap compiler. This will happen "automatically" (when rustfmt is run) during the bootstrap bump, as rustfmt converts `~const` into `[const]`. After this we can remove the `~const` support from the parser
Caveat discovered during impl: there is no legacy bare trait object recovery for `[const] Trait` as that snippet in type position goes down the slice /array parsing code and will error
r? ``@fee1-dead``
cc ``@nikomatsakis`` ``@traviscross`` ``@compiler-errors``
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parsing infrastructure
Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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The `macro_rules!` parser was written to match the series of rules using
the macros-by-example (MBE) engine and a hand-written equivalent of the
left-hand side of a MBE macro. This was complex to read, difficult to
extend, and produced confusing error messages. Because it was using the
MBE engine, any parse failure would be reported as if some macro was
being applied to the `macro_rules!` invocation itself; for instance,
errors would talk about "macro invocation", "macro arguments", and
"macro call", when they were actually about the macro *definition*.
And in practice, the `macro_rules!` parser only used the MBE engine to
extract the left-hand side and right-hand side of each rule as a token
tree, and then parsed the rest using a separate parser.
Rewrite it to parse the series of rules using a simple loop, instead.
This makes it more extensible in the future, and improves error
messages. For instance, omitting a semicolon between rules will result
in "expected `;`" and "unexpected token", rather than the confusing "no
rules expected this token in macro call".
This work was greatly aided by pair programming with Vincenzo Palazzo
and Eric Holk.
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r=petrochenkov
mbe: Clean up code with non-optional `NonterminalKind`
Since [rust-lang/rust#128425], the fragment specifier is unconditionally required in all
editions. This means `NonTerminalKind` no longer needs to be optional,
as we can reject this code during the expansion of `macro_rules!` rather
than handling it throughout the code. Do this cleanup here.
[rust-lang/rust#128425]: https://github.com/rust-lang/rust/pull/128425
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Since [1], the fragment specifier is unconditionally required in all
editions. This means `NonTerminalKind` no longer needs to be optional,
as we can reject this code during the expansion of `macro_rules!` rather
than handling it throughout the code. Do this cleanup here.
[1]: https://github.com/rust-lang/rust/pull/128425
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Don't fail to parse a struct if a semicolon is used to separate fields
The first commit is a small refactor.
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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Marks ADT live if it appears in pattern
Marks ADT live if it appears in pattern, it implies the construction of the ADT.
1. Then we can detect unused private ADTs impl `Default`, without special logics for `Default` and other std traits.
2. We can also remove `rustc_trivial_field_reads` on `Default`, and the logic in `should_ignore_item` (introduced by rust-lang/rust#126302).
Fixes rust-lang/rust#120770
Extracted from rust-lang/rust#128637.
r? `@petrochenkov`
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r=lcnr,traviscross
Stabilize `feature(generic_arg_infer)`
Fixes rust-lang/rust#85077
r? lcnr
cc ````@rust-lang/project-const-generics````
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Don't suggest converting `///` to `//` when expecting `,`
Fixes rust-lang/rust#142311
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missing `,` in list
Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Rework how the disallowed qualifier in function type diagnostics are generated
This pull request fixes two independent issues:
1. When qualifiers of a function type ptr are in the wrong order and one of them is async/const (not permitted on function types), the diagnostic suggests removing the incorrect qualifier. Fixes https://github.com/rust-lang/rust/issues/142268, which is an issue created by https://github.com/rust-lang/rust/pull/133151. This is fixed by moving the check into `parse_fn_front_matter`, where better span information is available to generate the right suggestions.
2. When qualifiers of a function type ptr are in the wrong order and one of them is async/const (not permitted on function types), `cargo fix` crashes because "cannot replace slice of data that was already replaced". This is fixed by not generating a suggestion for the "wrong order" diagnostic if the "disallowed qualifier" diagnostic is triggered.
There is a commit with failing tests so the test diff is clearer
r? `@jdonszelmann`
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Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>
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This was attempted in [1] then reverted in [2] because of fallout.
Recently, this was made an edition-dependent error in [3].
Make missing fragment specifiers an unconditional error again.
[1]: https://github.com/rust-lang/rust/pull/75516
[2]: https://github.com/rust-lang/rust/pull/80210
[3]: https://github.com/rust-lang/rust/pull/128006
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r=compiler-errors
Add more missing 2015 edition directives
These tests specifically test 2015 edition behavior, so ensure that they can only be run with this edition
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These tests specifically test 2015 edition behavior, so ensure that they can only be run with this edition
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Fix the issue of typo of comma in arm parsing
Fixes #140991
I also checked is it a '/', since it's near from ',' from keyboard.
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- The lint is now reported in code that gets removed/modified/duplicated
by macro expansion.
- Spans are more accurate
- Fixes #140281
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Parser: Recover error from named params while parse_path
Fixes #140169
I added test to the first commit and the second added the code and changes to test.
r? `@petrochenkov`
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
Co-authored-by: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
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compiletest: Do not require annotations on empty labels and suggestions
Unlike other empty diagnostics, empty labels (only underlining spans) and empty suggestions (suggestions to remove something) are quite usual and do not require any special attention and annotations.
This effectively reverts a part of https://github.com/rust-lang/rust/pull/139485.
r? `@jieyouxu`
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Check if format argument is identifier to avoid error err-emit
Fixes #139104
When `argument` is not an identifier, it should not be considered a field access. I checked this and if not emit an invalid format string error. I think we could do with a little finer error handling, I'll open an issue to track this down later.
The first commit submits the ui test, the second commits the code and the changes to the test output.
r? compiler
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