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r=Mark-Simulacrum
Run doctests via out-of-process rustc
closes #63638
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Strip code to the left and right in diagnostics for long lines
Fix #62999.
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rustc: implement argsfiles for command line
Many tools, such as gcc and gnu-ld, support "args files" - that is, being able to specify @file on the command line. This causes `file` to be opened and parsed for command line options. They're separated with whitespace; whitespace can be quoted with double or single quotes, and everything can be \\-escaped. Args files may recursively include other args files via `@file2`.
See https://sourceware.org/binutils/docs/ld/Options.html#Options for the documentation of gnu-ld's @file parameters.
This is useful for very large command lines, or when command lines are being generated into files by other tooling.
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This will make @path work with miri and other non-standard entrypoints.
Also since this simplifies librustc_driver::args, move it into a simple source file. Also
remove the tests since they're doing nothing more than checking `str::lines` has the right
behaviour.
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It was accidentally removed in a rebase of https://github.com/rust-lang/rust/pull/62727
Fixes https://github.com/rust-lang/rust/issues/63729
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This makes `rustc` support `@path` arguments on the command line. The `path` is opened and the file is interpreted
as new command line options which are logically inserted at that point in the command-line. The options in the file
are one per line. The file is UTF-8 encoded, and may have either Unix or Windows line endings.
It does not support recursive use of `@path`.
This is useful for very large command lines, or when command-lines are being generated into files by other tooling.
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It was getting a bit awkward.
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CC https://github.com/rust-lang/rust/pull/59800
https://github.com/rust-lang/rust/commit/7198687bb2df13a3298ef1e8f594753073d6b9e8
Fix https://github.com/rust-lang/rust/issues/62717
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`Ident` has had a full span rather than just a `SyntaxContext` for a long time now.
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These weren't removed by ccbcc720a679ae76155a8 most likely by accident,
let's clean them up now.
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rustbuild
Remove some random unnecessary lint `allow`s
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Move `source_uitil` macros into `syntax_ext`
Cleanup dependencies of `rustc_driver`
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Turn `#[global_allocator]` into a regular attribute macro
It was a 99% macro with exception of some diagnostic details.
As a result of the change, `#[global_allocator]` now works in nested modules and even in nameless blocks.
Fixes https://github.com/rust-lang/rust/issues/44113
Fixes https://github.com/rust-lang/rust/issues/58072
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cleanup: Remove `extern crate serialize as rustc_serialize`s
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https://github.com/rust-lang/rust/issues/60532
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This enforces that eof() must be called to get the String out, and
generally is better from an API perspective. No users of pretty printing
pre-allocate the buffer.
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Exit arm scopes
Due to a bug in the HIR CFG construction, borrows for arm scopes were incorrectly leaking into other arms.
This PR also includes some drive-by improvements to `-Zunpretty=hir,identified` that would have been helpful while investigating this.
Closes #62107
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The (almost) culmination of HirIdification
It's finally over.
This PR removes old `FIXME`s and renames some functions so that the `HirId` variant has the shorter name.
All that remains (and rightfully so) is stuff in `resolve`, `save_analysis` and (as far as I can tell) in a few places where we can't replace `NodeId` with `HirId`.
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Improve -Ztime-passes
Two improvements that make `-Ztime-passes` more useful.
r? @Zoxc
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Implement another internal lints
cc #49509
This adds ~~two~~ one internal lint~~s~~:
1. LINT_PASS_IMPL_WITHOUT_MACRO: Make sure, that the `{declare,impl}_lint_pass` macro is used to implement lint passes. cc #59669
2. ~~USAGE_OF_TYCTXT_AND_SPAN_ARGS: item 2 on the list in #49509~~
~~With 2. I wasn't sure, if this lint should be applied everywhere. That means a careful review of 0955835 would be great. Also 73fb9b4 allows this lint on some functions. Should I also apply this lint there?~~
TODO (not directly relevant for review):
- [ ] https://github.com/rust-lang/rust/pull/59316#discussion_r280186517 (not sure yet, if this works or how to query for `rustc_private`, since it's not in [`Features`](https://doc.rust-lang.org/nightly/nightly-rustc/syntax/feature_gate/struct.Features.html) :thinking: cc @eddyb)
- [x] https://github.com/rust-lang/rust/pull/61735#discussion_r292389870
- [x] Check explicitly for the `{declare,impl}_lint_pass!` macros
r? @oli-obk
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Remove io::Result from syntax::print
Since we're now writing directly to the vector, there's no need to
thread results through the whole printing infrastructure
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This is useful for getting the total compilation time at the end.
To do this, the patch changes `print_time_passes_entry` to not increment
the depth, which means that `print_time_passes_entry_internal` is no
longer needed.
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Since we're now writing directly to the vector, there's no need to
thread results through the whole printing infrastructure
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