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For consistency with `warn`/`struct_warn`, and also `{create,emit}_err`,
all of which use an abbreviated form.
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Also add some `dcx` methods to types that wrap `TyCtxt`, for easier
access.
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detects redundant imports that can be eliminated.
for #117772 :
In order to facilitate review and modification, split the checking code and
removing redundant imports code into two PR.
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Instead of allowing `rustc::potential_query_instability` on the whole
crate we go over each lint and allow it individually if it is safe to
do. Turns out all instances were safe to allow in this crate.
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Eagerly compute output_filenames
It can be computed before creating TyCtxt. Previously the query would also write the dep info file, which meant that the output filenames couldn't be accessed before macro expansion is done. The dep info file writing is now done as a separate non-query function. The old query was always executed again anyways due to depending on the HIR.
Also encode the output_filenames in rlink files to ensure `#![crate_name]` affects the linking stage when doing separate compiling and linking using `-Zno-link`/`-Zlink-only`.
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It has side-effects and as such can't be cached.
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Since the introduction of the crate attribute pre-expansion pass we
don't need access to the TyCtxt to compute it.
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Queries cleanups
r? `@bjorn3`
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`rustc_ast_pretty` cleanups
Some improvements I found while looking at this code.
r? `@fee1-dead`
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And remove the relevant getters on `Compiler` and `Queries`.
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`x clippy compiler -Aclippy::all -Wclippy::needless_borrow --fix`.
Then I had to remove a few unnecessary parens and muts that were exposed
now.
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This was made possible by the removal of plugin support, which
simplified lint store creation.
This simplifies the places in rustc and rustdoc that call
`describe_lints`, which are early on. The lint store is now built before
those places, so they don't have to create their own lint store for
temporary use, they can just use the main one.
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They've been deprecated for four years.
This commit includes the following changes.
- It eliminates the `rustc_plugin_impl` crate.
- It changes the language used for lints in
`compiler/rustc_driver_impl/src/lib.rs` and
`compiler/rustc_lint/src/context.rs`. External lints are now called
"loaded" lints, rather than "plugins" to avoid confusion with the old
plugins. This only has a tiny effect on the output of `-W help`.
- E0457 and E0498 are no longer used.
- E0463 is narrowed, now only relating to unfound crates, not plugins.
- The `plugin` feature was moved from "active" to "removed".
- It removes the entire plugins chapter from the unstable book.
- It removes quite a few tests, mostly all of those in
`tests/ui-fulldeps/plugin/`.
Closes #29597.
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Using `find` and `any` from `std` makes the code shorter and clearer.
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It was added in 51938c61f6f1b26e463f9071716f543543486e72, a commit with
a 7,720 line diff and a one line commit message. Even then the comment
was incorrect; there was a removed a `build_output_filenames` call with
a `&[]` argument in rustdoc, but the commit removed that call. In such a
large commit, it's easy for small errors to occur.
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Fix inline const pattern unsafety checking in THIR
Fix THIR unsafety checking of inline constants.
- Steal THIR in THIR unsafety checking (if enabled) instead of MIR lowering.
- Represent inline constants in THIR patterns.
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THIR unsafety checking was getting a cycle of
function unsafety checking
-> building THIR for the function
-> evaluating pattern inline constants in the function
-> building MIR for the inline constant
-> checking unsafety of functions (so that THIR can be stolen)
This is fixed by not stealing THIR when generating MIR but instead when
unsafety checking.
This leaves an issue with pattern inline constants not being unsafety
checked because they are evaluated away when generating THIR.
To fix that we now represent inline constants in THIR patterns and
visit them in THIR unsafety checking.
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This removes a bit of global mutable state
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Do not compute unneeded query results.
r? `@ghost`
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Removes two pieces of mutable state.
Follow up to #114622.
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Removes a piece of mutable state.
Follow up to #114578.
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Removes a piece of mutable state.
Follow up to #114578.
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There's no need to store it in `Queries`. We can just use a local
variable, because it's always used shortly after it's produced.
The commit also removes the `tcx.analysis()` call in `ongoing_codegen`,
because it's easy to ensure that's done beforehand.
All this makes the dataflow within `run_compiler` easier to follow, at
the cost of making one test slightly more verbose, which I think is a
good tradeoff.
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