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path: root/compiler/rustc_session/src/session.rs
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2023-12-18Rename many `DiagCtxt` and `EarlyDiagCtxt` locals.Nicholas Nethercote-4/+4
2023-12-18Rename many `EarlyDiagCtxt` arguments.Nicholas Nethercote-7/+7
2023-12-18Rename `EarlyDiagCtxt::handler` as `EarlyDiagCtxt::dcx`.Nicholas Nethercote-17/+14
2023-12-18Rename `UnstableOptions::diagnostic_handler_flags` as ↵Nicholas Nethercote-1/+1
`UnstableOptions::dcx_flags`.
2023-12-18Rename `ParseSess::with_span_handler` as `ParseSess::with_dcx`.Nicholas Nethercote-1/+1
2023-12-18Rename `Session::span_diagnostic` as `Session::dcx`.Nicholas Nethercote-42/+42
2023-12-18Rename `ParseSess::span_diagnostic` as `ParseSess::dcx`.Nicholas Nethercote-1/+1
2023-12-18Rename `EarlyErrorHandler` as `EarlyDiagCtxt`.Nicholas Nethercote-3/+3
2023-12-18Rename `Handler` as `DiagCtxt`.Nicholas Nethercote-9/+9
2023-12-14Rollup merge of #118933 - nnethercote:cleanup-errors-even-more, ↵Jubilee-1/+1
r=compiler-errors Cleanup errors handlers even more A sequel to #118587. r? `@compiler-errors`
2023-12-15Change `msg: impl Into<String>` for bug diagnostics.Nicholas Nethercote-1/+1
To `msg: impl Into<DiagnosticMessage>`, like all the other diagnostics. For consistency.
2023-12-13Add unstable `-Zdefault-hidden-visibility` cmdline flag for `rustc`.Lukasz Anforowicz-0/+8
The new flag has been described in the Major Change Proposal at https://github.com/rust-lang/compiler-team/issues/656
2023-12-081. fix jobserver GLOBAL_CLIENT_CHECKED uninitialized before useoksbsb-11/+12
2. jobserver::initialize_checked should call before build_session, still should use EarlyErrorHandler, so revert stderr change in #118635
2023-12-07Auto merge of #118635 - nnethercote:fewer-early-errors, r=davidtwcobors-18/+19
Fewer early errors r? `@davidtwco`
2023-12-06Fewer early errors.Nicholas Nethercote-18/+19
`build_session` is passed an `EarlyErrorHandler` and then constructs a `Handler`. But the `EarlyErrorHandler` is still used for some time after that. This commit changes `build_session` so it consumes the passed `EarlyErrorHandler`, and also drops it as soon as the `Handler` is built. As a result, `parse_cfg` and `parse_check_cfg` now take a `Handler` instead of an `EarlyErrorHandler`.
2023-12-05Rollup merge of #118587 - nnethercote:cleanup-error-handlers-2, ↵Michael Goulet-1/+1
r=compiler-errors Cleanup error handlers some more A sequel to #118470. r? ```@compiler-errors```
2023-12-04Give `Handler::fatal` and `Session::fatal` the same return type.Nicholas Nethercote-1/+1
Currently, `Handler::fatal` returns `FatalError`. But `Session::fatal` returns `!`, because it calls `Handler::fatal` and then calls `raise` on the result. This inconsistency is unfortunate. This commit changes `Handler::fatal` to do the `raise` itself, changing its return type to `!`. This is safe because there are only two calls to `Handler::fatal`, one in `rustc_session` and one in `rustc_codegen_cranelift`, and they both call `raise` on the result. `HandlerInner::fatal` still returns `FatalError`, so I renamed it `fatal_no_raise` to emphasise the return type difference.
2023-12-03Auto merge of #113730 - belovdv:jobserver-init-check, r=petrochenkovbors-1/+16
Report errors in jobserver inherited through environment variables This pr attempts to catch situations, when jobserver exists, but is not being inherited. r? `@petrochenkov`
2023-12-02Remove unnecessary qualifiers.Nicholas Nethercote-3/+3
2023-12-02Use `Session::diagnostic` in more places.Nicholas Nethercote-1/+1
2023-12-02Rename `Handler::delay_good_path_bug` as `Handler::good_path_delayed_bug`.Nicholas Nethercote-3/+3
In line with the previous commits.
2023-12-02Rename `HandlerInner::delayed_span_bugs` as `HandlerInner::span_delayed_bugs`.Nicholas Nethercote-2/+2
For reasons similar to the previous commit.
2023-12-02Rename `HandlerInner::delay_span_bug` as `HandlerInner::span_delayed_bug`.Nicholas Nethercote-4/+8
Because the corresponding `Level` is `DelayedBug` and `span_delayed_bug` follows the pattern used everywhere else: `span_err`, `span_warning`, etc.
2023-12-02Rename `*note_without_error` as `*note`.Nicholas Nethercote-14/+7
Because the variant name in `Level` is `Note`, and the `without_error` suffix is omitted in similar cases like `struct_allow` and `struct_help`.
2023-12-02Return `ErrorGuaranteed` from `span_err_with_code` methods.Nicholas Nethercote-1/+1
`ErrorGuaranteed` should be used for all error methods involving the `Error` level, e.g. as is done for the corresponding `span_err` methods.
2023-12-01Auto merge of #118472 - nnethercote:rustc_session, r=bjorn3bors-14/+9
`rustc_session` cleanups r? `@bjorn3`
2023-12-01Clarify the `lockfile` field in `IncrCompSession`.Nicholas Nethercote-3/+6
2023-12-01Remove unused field from `IncrCompSession`.Nicholas Nethercote-9/+3
2023-12-01Reduce `pub` exposure.Nicholas Nethercote-5/+3
2023-11-30Add `-Zfunction-return={keep,thunk-extern}` optionMiguel Ojeda-1/+23
This is intended to be used for Linux kernel RETHUNK builds. With this commit (optionally backported to Rust 1.73.0), plus a patched Linux kernel to pass the flag, I get a RETHUNK build with Rust enabled that is `objtool`-warning-free and is able to boot in QEMU and load a sample Rust kernel module. Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2023-11-29jobserver: check file descriptorsbelovdv-1/+16
2023-11-22rustc_session: implement latent TODOTamir Duberstein-4/+3
2023-11-21Fix `clippy::needless_borrow` in the compilerNilstrieb-1/+1
`x clippy compiler -Aclippy::all -Wclippy::needless_borrow --fix`. Then I had to remove a few unnecessary parens and muts that were exposed now.
2023-11-17Move `lint_store` from `GlobalCtxt` to `Session`.Nicholas Nethercote-1/+15
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.
2023-11-13Remove `-Zperf-stats`.Nicholas Nethercote-44/+2
The included measurements have varied over the years. At one point there were quite a few more, but #49558 deleted a lot that were no longer used. Today there's just four, and it's a motley collection that doesn't seem particularly valuable. I think it has been well and truly subsumed by self-profiling, which collects way more data.
2023-11-02Minimize `pub` usage in `source_map.rs`.Nicholas Nethercote-2/+2
Most notably, this commit changes the `pub use crate::*;` in that file to `use crate::*;`. This requires a lot of `use` items in other crates to be adjusted, because everything defined within `rustc_span::*` was also available via `rustc_span::source_map::*`, which is bizarre. The commit also removes `SourceMap::span_to_relative_line_string`, which is unused.
2023-10-26Auto merge of #116818 - Nilstrieb:stop-submitting-bug-reports, r=wesleywiserbors-1/+9
Stop telling people to submit bugs for internal feature ICEs This keeps track of usage of internal features, and changes the message to instead tell them that using internal features is not supported. I thought about several ways to do this but now used the explicit threading of an `Arc<AtomicBool>` through `Session`. This is not exactly incremental-safe, but this is fine, as this is set during macro expansion, which is pre-incremental, and also only affects the output of ICEs, at which point incremental correctness doesn't matter much anyways. See [MCP 620.](https://github.com/rust-lang/compiler-team/issues/596) ![image](https://github.com/rust-lang/rust/assets/48135649/be661f05-b78a-40a9-b01d-81ad2dbdb690)
2023-10-25Stop telling people to submit bugs for internal feature ICEsNilstrieb-1/+9
This keeps track of usage of internal features, and changes the message to instead tell them that using internal features is not supported. See MCP 620.
2023-10-24Introduce `-C instrument-coverage=branch` to gate branch coverageArpad Borsos-0/+4
This flag has to be used in combination with `-Zunstable-options`, and is added in advance of adding branch coverage instrumentation.
2023-10-17[RFC 3127 - Trim Paths]: Condition remapped filepath on remap scopesUrgau-2/+104
2023-10-09Remove cgu_reuse_tracker from Sessionbjorn3-11/+0
This removes a bit of global mutable state
2023-09-22Auto merge of #116001 - fmease:validate-crate-name-extern-cli-opt, r=est31bors-0/+9
[breaking change] Validate crate name in `--extern` [MCP 650] Reject non-ASCII-identifier crate names passed to the CLI option `--extern` (`rustc`, `rustdoc`). Implements [MCP 650](https://github.com/rust-lang/compiler-team/issues/650) (except that we only allow ASCII identifiers not arbitrary Rust identifiers). Fixes #113035. [As mentioned on Zulip](https://rust-lang.zulipchat.com/#narrow/stream/233931-t-compiler.2Fmajor-changes/topic/Disallow.20non-identifier-valid.20--extern.20cr.E2.80.A6.20compiler-team.23650/near/376826988), doing a crater run probably doesn't make sense since it wouldn't yield anything. Most users don't interact with `rustc` directly but only ever through Cargo which always passes a valid crate name to `--extern` when it invokes `rustc` and `rustdoc`. In any case, the user wouldn't be able to use such a crate name in the source code anyway. Note that I'm not using [`rustc_session::output::validate_crate_name`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_session/output/fn.validate_crate_name.html) (used for `--crate-name` and `#![crate_name]`) since the latter doesn't reject non-ASCII crate names and ones that start with a digit. As an aside, I've also thought about getting rid of `validate_crate_name` entirely in a separate PR (with another MCP) in favor of `is_ascii_ident` to reject more weird `--crate-name`s, `#![crate_name]`s and file names but I think that would lead to a lot of actual breakage, namely because of file names starting with a digit. In `tests/ui` 9 tests would be impacted for example. CC `@estebank` r? `@est31`
2023-09-20Validate crate name in CLI option --externLeón Orell Valerian Liehr-0/+9
2023-09-15implement -Z ignore-directory-in-diagnostics-source-blocksPietro Albini-2/+8
2023-09-08Add missing Debuginfo to PDB debug file on windows.Florian Schmiderer-0/+8
Set Arg0 and CommandLineArgs in MCTargetoptions so LLVM outputs correct CL and CMD in LF_DEBUGINFO instead of empty/invalid values.
2023-08-30Use conditional synchronization for LockJohn Kåre Alsaker-5/+5
2023-08-11rustc: Move `features` from `Session` to `GlobalCtxt`Vadim Petrochenkov-19/+1
Removes two pieces of mutable state. Follow up to #114622.
2023-08-09rustc: Move `stable_crate_id` from `Session` to `GlobalCtxt`Vadim Petrochenkov-12/+0
Removes a piece of mutable state. Follow up to #114578.
2023-08-09rustc: Move `crate_types` from `Session` to `GlobalCtxt`Vadim Petrochenkov-42/+0
Removes a piece of mutable state. Follow up to #114578.
2023-08-08Rollup merge of #113593 - rcvalle:rust-cfi-fix-90546, r=wesleywiserMatthias Krüger-3/+9
CFI: Fix error compiling core with LLVM CFI enabled Fix #90546 by filtering out global value function pointer types from the type tests, and adding the LowerTypeTests pass to the rustc LTO optimization pipelines.
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