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It's so confusing to have everything having the same name, at least while refactoring.
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r=nikomatsakis
Fix processing mod with multi-level path on Windows
Fix error in [rustfmt](https://github.com/rust-lang-nursery/rustfmt/issues/1754) because libsyntax can not handle `mod` with multilevel path on Windows.
Alternative is do almost same in https://github.com/rust-lang/rust/blob/master/src/libstd/sys/windows/fs.rs#L717 to allow work on paths with different separators, Ex. "\\\\?\\c:\\windows/temp"
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Follow up to #51508, make parse_block public instead parse_block_expr
This is an follow up to #51508
I mistakenly made parse_block_expr public instead of parse_block.
This fixes this.
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r=petrochenkov
refactor: create multiple HIR items for imports
When lowering `use` statements into HIR, they get a `Def` of the thing they're pointing at. This is great for things that need to know what was just pulled into scope. However, this is a bit misleading, because a `use` statement can pull things from multiple namespaces if their names collide. This is a problem for rustdoc, because if there are a module and a function with the same name (for example) then it will only document the module import, because that's that the lowered `use` statement points to.
The current version of this PR does the following:
* Whenever the resolver comes across a `use` statement, it loads the definitions into a new `import_map` instead of the existing `def_map`. This keeps the resolutions per-namespace so that all the target definitions are available.
* When lowering `use` statements, it looks up the resolutions in the `import_map` and creates multiple `Item`s if there is more than one resolution.
* To ensure the `NodeId`s are properly tracked in the lowered module, they need to be created in the AST, and pulled out as needed if multiple resolutions are available.
Fixes https://github.com/rust-lang/rust/issues/34843
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public instead parse_block_expr
This is an follow up to #51508
I mistakenly made parse_block_expr public instead of parse_block.
This fixes this.
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Add error message for using >= 65535 hashes for raw string literal escapes
Fixes #50111.
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Make parse_seq_to_end and parse_path public
(see SergioBenitez/Rocket#660, rust-lang/rust#51265)
Rocket currently uses `parse_seq_to_end` and `parse_path` in its codegen macros. Assuming I tested correctly, this is the minimal set of methods that are currently necessary to build Rocket again. I would be happy to add documentation of this and Rocket's other usages, if desired.
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Make span_fatal and parse_block public
span_fatal and parse_block were made private in #51265. These methods are used in stainless.
Related #51498 #51504
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span_fatal and parse_block were made private in #51265. These methods are used in stainless.
Related #51498 #51504
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r=petrochenkov
Include parens to type parameter
The motivation of this PR is to fix a bug in rustfmt (cc https://github.com/rust-lang-nursery/rustfmt/issues/2630).
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parser: Split `+=` into `+` and `=` where `+` is explicitly requested (such as generics)
Added functions in tokens to check whether a token leads with `+`. Used them when parsing to allow for token splitting of `+=` into `+` and `=`.
Fixes https://github.com/rust-lang/rust/issues/47856
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Fix Issue 38777
When looking through for a closing bracket in the loop condition, adds them to expecteds.
https://github.com/rust-lang/rust/issues/38777
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Accept `..` in incorrect position to avoid further errors
We currently give a specific message when encountering a `..` anywhere
other than the end of a pattern. Modify the parser to accept it (while
still emitting the error) so that we don't also trigger "missing fields
in pattern" errors afterwards.
Add suggestions to either remove trailing `,` or moving the `..` to the
end.
Follow up to #49268.
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When using `..` somewhere other than the end, parse the rest of the
pattern correctly while still emitting an error.
Add suggestions to either remove trailing `,` or moving the `..` to the
end.
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We currently give a specific message when encountering a `..` anywhere
other than the end of a pattern. Modify the parser to accept it (while
still emitting the error) so that we don't also trigger "missing fields
in pattern" errors afterwards.
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to Plus token.
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