diff options
Diffstat (limited to 'compiler/rustc_errors/src')
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic.rs | 9 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic_builder.rs | 118 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic_impls.rs | 24 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 15 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/json/tests.rs | 6 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/lib.rs | 34 |
6 files changed, 103 insertions, 103 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 4fb63d67e78..be506806065 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -91,10 +91,7 @@ where #[rustc_diagnostic_item = "DecorateLint"] pub trait DecorateLint<'a, G: EmissionGuarantee> { /// Decorate and emit a lint. - fn decorate_lint<'b>( - self, - diag: &'b mut DiagnosticBuilder<'a, G>, - ) -> &'b mut DiagnosticBuilder<'a, G>; + fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, G>); fn msg(&self) -> DiagnosticMessage; } @@ -889,13 +886,13 @@ impl Diagnostic { /// interpolated variables). pub fn eager_subdiagnostic( &mut self, - handler: &crate::Handler, + dcx: &crate::DiagCtxt, subdiagnostic: impl AddToDiagnostic, ) -> &mut Self { subdiagnostic.add_to_diagnostic_with(self, |diag, msg| { let args = diag.args(); let msg = diag.subdiagnostic_message_to_diagnostic_message(msg); - handler.eagerly_translate(msg, args) + dcx.eagerly_translate(msg, args) }); self } diff --git a/compiler/rustc_errors/src/diagnostic_builder.rs b/compiler/rustc_errors/src/diagnostic_builder.rs index 315e47c0971..3f66af1fcff 100644 --- a/compiler/rustc_errors/src/diagnostic_builder.rs +++ b/compiler/rustc_errors/src/diagnostic_builder.rs @@ -1,9 +1,9 @@ use crate::diagnostic::IntoDiagnosticArg; +use crate::{DiagCtxt, Level, MultiSpan, StashKey}; use crate::{ Diagnostic, DiagnosticId, DiagnosticMessage, DiagnosticStyledString, ErrorGuaranteed, ExplicitBug, SubdiagnosticMessage, }; -use crate::{Handler, Level, MultiSpan, StashKey}; use rustc_lint_defs::Applicability; use rustc_span::source_map::Spanned; @@ -19,9 +19,9 @@ use std::thread::panicking; /// `#[derive(Diagnostic)]` -- see [rustc_macros::Diagnostic]. #[rustc_diagnostic_item = "IntoDiagnostic"] pub trait IntoDiagnostic<'a, G: EmissionGuarantee = ErrorGuaranteed> { - /// Write out as a diagnostic out of `Handler`. + /// Write out as a diagnostic out of `DiagCtxt`. #[must_use] - fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, G>; + fn into_diagnostic(self, dcx: &'a DiagCtxt) -> DiagnosticBuilder<'a, G>; } impl<'a, T, G> IntoDiagnostic<'a, G> for Spanned<T> @@ -29,8 +29,8 @@ where T: IntoDiagnostic<'a, G>, G: EmissionGuarantee, { - fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, G> { - let mut diag = self.node.into_diagnostic(handler); + fn into_diagnostic(self, dcx: &'a DiagCtxt) -> DiagnosticBuilder<'a, G> { + let mut diag = self.node.into_diagnostic(dcx); diag.set_span(self.span); diag } @@ -40,7 +40,7 @@ where /// /// If there is some state in a downstream crate you would like to /// access in the methods of `DiagnosticBuilder` here, consider -/// extending `HandlerFlags`, accessed via `self.handler.flags`. +/// extending `DiagCtxtFlags`. #[must_use] #[derive(Clone)] pub struct DiagnosticBuilder<'a, G: EmissionGuarantee> { @@ -74,8 +74,8 @@ struct DiagnosticBuilderInner<'a> { enum DiagnosticBuilderState<'a> { /// Initial state of a `DiagnosticBuilder`, before `.emit()` or `.cancel()`. /// - /// The `Diagnostic` will be emitted through this `Handler`. - Emittable(&'a Handler), + /// The `Diagnostic` will be emitted through this `DiagCtxt`. + Emittable(&'a DiagCtxt), /// State of a `DiagnosticBuilder`, after `.emit()` or *during* `.cancel()`. /// @@ -95,7 +95,7 @@ enum DiagnosticBuilderState<'a> { // `DiagnosticBuilderState` should be pointer-sized. rustc_data_structures::static_assert_size!( DiagnosticBuilderState<'_>, - std::mem::size_of::<&Handler>() + std::mem::size_of::<&DiagCtxt>() ); /// Trait for types that `DiagnosticBuilder::emit` can return as a "guarantee" @@ -110,7 +110,7 @@ pub trait EmissionGuarantee: Sized { /// Creates a new `DiagnosticBuilder` that will return this type of guarantee. #[track_caller] fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self>; } @@ -128,11 +128,11 @@ impl<'a> DiagnosticBuilder<'a, ErrorGuaranteed> { impl EmissionGuarantee for ErrorGuaranteed { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - let guar = handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + let guar = dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); // Only allow a guarantee if the `level` wasn't switched to a // non-error - the field isn't `pub`, but the whole `Diagnostic` @@ -166,10 +166,10 @@ impl EmissionGuarantee for ErrorGuaranteed { #[track_caller] fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Error { lint: false }, msg) + DiagnosticBuilder::new(dcx, Level::Error { lint: false }, msg) } } @@ -177,11 +177,11 @@ impl EmissionGuarantee for ErrorGuaranteed { impl EmissionGuarantee for () { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); } // `.emit()` was previously called, disallowed from repeating it. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => {} @@ -189,10 +189,10 @@ impl EmissionGuarantee for () { } fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Warning(None), msg) + DiagnosticBuilder::new(dcx, Level::Warning(None), msg) } } @@ -204,10 +204,10 @@ pub struct Noted; impl EmissionGuarantee for Noted { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); } // `.emit()` was previously called, disallowed from repeating it. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => {} @@ -217,10 +217,10 @@ impl EmissionGuarantee for Noted { } fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Note, msg) + DiagnosticBuilder::new(dcx, Level::Note, msg) } } @@ -232,11 +232,11 @@ pub struct Bug; impl EmissionGuarantee for Bug { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); } // `.emit()` was previously called, disallowed from repeating it. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => {} @@ -246,21 +246,21 @@ impl EmissionGuarantee for Bug { } fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Bug, msg) + DiagnosticBuilder::new(dcx, Level::Bug, msg) } } impl EmissionGuarantee for ! { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); } // `.emit()` was previously called, disallowed from repeating it. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => {} @@ -270,21 +270,21 @@ impl EmissionGuarantee for ! { } fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Fatal, msg) + DiagnosticBuilder::new(dcx, Level::Fatal, msg) } } impl EmissionGuarantee for rustc_span::fatal_error::FatalError { fn diagnostic_builder_emit_producing_guarantee(db: &mut DiagnosticBuilder<'_, Self>) -> Self { match db.inner.state { - // First `.emit()` call, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => { + // First `.emit()` call, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => { db.inner.state = DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation; - handler.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut db.inner.diagnostic); } // `.emit()` was previously called, disallowed from repeating it. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => {} @@ -294,10 +294,10 @@ impl EmissionGuarantee for rustc_span::fatal_error::FatalError { } fn make_diagnostic_builder( - handler: &Handler, + dcx: &DiagCtxt, msg: impl Into<DiagnosticMessage>, ) -> DiagnosticBuilder<'_, Self> { - DiagnosticBuilder::new(handler, Level::Fatal, msg) + DiagnosticBuilder::new(dcx, Level::Fatal, msg) } } @@ -340,25 +340,25 @@ impl<G: EmissionGuarantee> DerefMut for DiagnosticBuilder<'_, G> { impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { /// Convenience function for internal use, clients should use one of the - /// `struct_*` methods on [`Handler`]. + /// `struct_*` methods on [`DiagCtxt`]. #[track_caller] pub(crate) fn new<M: Into<DiagnosticMessage>>( - handler: &'a Handler, + dcx: &'a DiagCtxt, level: Level, message: M, ) -> Self { let diagnostic = Diagnostic::new(level, message); - Self::new_diagnostic(handler, diagnostic) + Self::new_diagnostic(dcx, diagnostic) } /// Creates a new `DiagnosticBuilder` with an already constructed /// diagnostic. #[track_caller] - pub(crate) fn new_diagnostic(handler: &'a Handler, diagnostic: Diagnostic) -> Self { + pub(crate) fn new_diagnostic(dcx: &'a DiagCtxt, diagnostic: Diagnostic) -> Self { debug!("Created new diagnostic"); Self { inner: DiagnosticBuilderInner { - state: DiagnosticBuilderState::Emittable(handler), + state: DiagnosticBuilderState::Emittable(dcx), diagnostic: Box::new(diagnostic), }, _marker: PhantomData, @@ -398,7 +398,7 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { /// Stashes diagnostic for possible later improvement in a different, /// later stage of the compiler. The diagnostic can be accessed with - /// the provided `span` and `key` through [`Handler::steal_diagnostic()`]. + /// the provided `span` and `key` through [`DiagCtxt::steal_diagnostic()`]. /// /// As with `buffer`, this is unless the handler has disabled such buffering. pub fn stash(self, span: Span, key: StashKey) { @@ -409,18 +409,18 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { /// Converts the builder to a `Diagnostic` for later emission, /// unless handler has disabled such buffering, or `.emit()` was called. - pub fn into_diagnostic(mut self) -> Option<(Diagnostic, &'a Handler)> { - let handler = match self.inner.state { - // No `.emit()` calls, the `&Handler` is still available. - DiagnosticBuilderState::Emittable(handler) => handler, + pub fn into_diagnostic(mut self) -> Option<(Diagnostic, &'a DiagCtxt)> { + let dcx = match self.inner.state { + // No `.emit()` calls, the `&DiagCtxt` is still available. + DiagnosticBuilderState::Emittable(dcx) => dcx, // `.emit()` was previously called, nothing we can do. DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => { return None; } }; - if handler.inner.lock().flags.dont_buffer_diagnostics - || handler.inner.lock().flags.treat_err_as_bug.is_some() + if dcx.inner.lock().flags.dont_buffer_diagnostics + || dcx.inner.lock().flags.treat_err_as_bug.is_some() { self.emit(); return None; @@ -437,13 +437,13 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> { // actually emitted. debug!("buffer: diagnostic={:?}", diagnostic); - Some((diagnostic, handler)) + Some((diagnostic, dcx)) } - /// Retrieves the [`Handler`] if available - pub fn handler(&self) -> Option<&Handler> { + /// Retrieves the [`DiagCtxt`] if available + pub fn dcx(&self) -> Option<&DiagCtxt> { match self.inner.state { - DiagnosticBuilderState::Emittable(handler) => Some(handler), + DiagnosticBuilderState::Emittable(dcx) => Some(dcx), DiagnosticBuilderState::AlreadyEmittedOrDuringCancellation => None, } } @@ -640,15 +640,15 @@ impl Drop for DiagnosticBuilderInner<'_> { fn drop(&mut self) { match self.state { // No `.emit()` or `.cancel()` calls. - DiagnosticBuilderState::Emittable(handler) => { + DiagnosticBuilderState::Emittable(dcx) => { if !panicking() { - handler.emit_diagnostic(Diagnostic::new( + dcx.emit_diagnostic(Diagnostic::new( Level::Bug, DiagnosticMessage::from( "the following error was constructed but not emitted", ), )); - handler.emit_diagnostic_without_consuming(&mut self.diagnostic); + dcx.emit_diagnostic_without_consuming(&mut self.diagnostic); panic!("error was constructed but not emitted"); } } diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 4f77f09b26e..3e4b3ee758a 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -1,6 +1,6 @@ use crate::diagnostic::DiagnosticLocation; use crate::{fluent_generated as fluent, AddToDiagnostic}; -use crate::{DiagnosticArgValue, DiagnosticBuilder, Handler, IntoDiagnostic, IntoDiagnosticArg}; +use crate::{DiagCtxt, DiagnosticArgValue, DiagnosticBuilder, IntoDiagnostic, IntoDiagnosticArg}; use rustc_ast as ast; use rustc_ast_pretty::pprust; use rustc_hir as hir; @@ -246,18 +246,18 @@ impl<Id> IntoDiagnosticArg for hir::def::Res<Id> { } impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> { - fn into_diagnostic(self, handler: &Handler) -> DiagnosticBuilder<'_, !> { + fn into_diagnostic(self, dcx: &DiagCtxt) -> DiagnosticBuilder<'_, !> { let mut diag; match self { TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => { - diag = handler.struct_fatal(fluent::errors_target_invalid_address_space); + diag = dcx.struct_fatal(fluent::errors_target_invalid_address_space); diag.set_arg("addr_space", addr_space); diag.set_arg("cause", cause); diag.set_arg("err", err); diag } TargetDataLayoutErrors::InvalidBits { kind, bit, cause, err } => { - diag = handler.struct_fatal(fluent::errors_target_invalid_bits); + diag = dcx.struct_fatal(fluent::errors_target_invalid_bits); diag.set_arg("kind", kind); diag.set_arg("bit", bit); diag.set_arg("cause", cause); @@ -265,31 +265,31 @@ impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> { diag } TargetDataLayoutErrors::MissingAlignment { cause } => { - diag = handler.struct_fatal(fluent::errors_target_missing_alignment); + diag = dcx.struct_fatal(fluent::errors_target_missing_alignment); diag.set_arg("cause", cause); diag } TargetDataLayoutErrors::InvalidAlignment { cause, err } => { - diag = handler.struct_fatal(fluent::errors_target_invalid_alignment); + diag = dcx.struct_fatal(fluent::errors_target_invalid_alignment); diag.set_arg("cause", cause); diag.set_arg("err_kind", err.diag_ident()); diag.set_arg("align", err.align()); diag } TargetDataLayoutErrors::InconsistentTargetArchitecture { dl, target } => { - diag = handler.struct_fatal(fluent::errors_target_inconsistent_architecture); + diag = dcx.struct_fatal(fluent::errors_target_inconsistent_architecture); diag.set_arg("dl", dl); diag.set_arg("target", target); diag } TargetDataLayoutErrors::InconsistentTargetPointerWidth { pointer_size, target } => { - diag = handler.struct_fatal(fluent::errors_target_inconsistent_pointer_width); + diag = dcx.struct_fatal(fluent::errors_target_inconsistent_pointer_width); diag.set_arg("pointer_size", pointer_size); diag.set_arg("target", target); diag } TargetDataLayoutErrors::InvalidBitsSize { err } => { - diag = handler.struct_fatal(fluent::errors_target_invalid_bits_size); + diag = dcx.struct_fatal(fluent::errors_target_invalid_bits_size); diag.set_arg("err", err); diag } @@ -378,3 +378,9 @@ pub struct IndicateAnonymousLifetime { pub count: usize, pub suggestion: String, } + +impl IntoDiagnosticArg for type_ir::ClosureKind { + fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> { + DiagnosticArgValue::Str(self.as_str().into()) + } +} diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 379883a0c18..3fb993c3651 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -16,8 +16,8 @@ use crate::snippet::{ use crate::styled_buffer::StyledBuffer; use crate::translation::{to_fluent_args, Translate}; use crate::{ - diagnostic::DiagnosticLocation, CodeSuggestion, Diagnostic, DiagnosticId, DiagnosticMessage, - FluentBundle, Handler, LazyFallbackBundle, Level, MultiSpan, SubDiagnostic, + diagnostic::DiagnosticLocation, CodeSuggestion, DiagCtxt, Diagnostic, DiagnosticId, + DiagnosticMessage, FluentBundle, LazyFallbackBundle, Level, MultiSpan, SubDiagnostic, SubstitutionHighlight, SuggestionStyle, TerminalUrl, }; use rustc_lint_defs::pluralize; @@ -553,10 +553,10 @@ impl Emitter for EmitterWriter { } /// An emitter that does nothing when emitting a non-fatal diagnostic. -/// Fatal diagnostics are forwarded to `fatal_handler` to avoid silent +/// Fatal diagnostics are forwarded to `fatal_dcx` to avoid silent /// failures of rustc, as witnessed e.g. in issue #89358. pub struct SilentEmitter { - pub fatal_handler: Handler, + pub fatal_dcx: DiagCtxt, pub fatal_note: Option<String>, } @@ -581,7 +581,7 @@ impl Emitter for SilentEmitter { if let Some(ref note) = self.fatal_note { d.note(note.clone()); } - self.fatal_handler.emit_diagnostic(d); + self.fatal_dcx.emit_diagnostic(d); } } } @@ -2677,10 +2677,7 @@ fn from_stderr(color: ColorConfig) -> Destination { /// On Windows, BRIGHT_BLUE is hard to read on black. Use cyan instead. /// /// See #36178. -#[cfg(windows)] -const BRIGHT_BLUE: Color = Color::Cyan; -#[cfg(not(windows))] -const BRIGHT_BLUE: Color = Color::Blue; +const BRIGHT_BLUE: Color = if cfg!(windows) { Color::Cyan } else { Color::Blue }; impl Style { fn color_spec(&self, lvl: Level) -> ColorSpec { diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs index 5f9e821a48c..303de0a93f6 100644 --- a/compiler/rustc_errors/src/json/tests.rs +++ b/compiler/rustc_errors/src/json/tests.rs @@ -1,7 +1,7 @@ use super::*; use crate::emitter::ColorConfig; -use crate::Handler; +use crate::DiagCtxt; use rustc_span::BytePos; use std::str; @@ -61,8 +61,8 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) { ); let span = Span::with_root_ctxt(BytePos(span.0), BytePos(span.1)); - let handler = Handler::with_emitter(Box::new(je)); - handler.span_err(span, "foo"); + let dcx = DiagCtxt::with_emitter(Box::new(je)); + dcx.span_err(span, "foo"); let bytes = output.lock().unwrap(); let actual_output = str::from_utf8(&bytes).unwrap(); diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index cf73c638d85..959e26fec70 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -412,15 +412,15 @@ use std::backtrace::{Backtrace, BacktraceStatus}; /// A handler deals with errors and other compiler output. /// Certain errors (fatal, bug, unimpl) may cause immediate exit, /// others log errors for later reporting. -pub struct Handler { - inner: Lock<HandlerInner>, +pub struct DiagCtxt { + inner: Lock<DiagCtxtInner>, } /// This inner struct exists to keep it all behind a single lock; /// this is done to prevent possible deadlocks in a multi-threaded compiler, /// as well as inconsistent state observation. -struct HandlerInner { - flags: HandlerFlags, +struct DiagCtxtInner { + flags: DiagCtxtFlags, /// The number of lint errors that have been emitted. lint_err_count: usize, /// The number of errors that have been emitted, including duplicates. @@ -518,7 +518,7 @@ pub static TRACK_DIAGNOSTICS: AtomicRef<fn(&mut Diagnostic, &mut dyn FnMut(&mut AtomicRef::new(&(default_track_diagnostic as _)); #[derive(Copy, Clone, Default)] -pub struct HandlerFlags { +pub struct DiagCtxtFlags { /// If false, warning-level lints are suppressed. /// (rustc: see `--allow warnings` and `--cap-lints`) pub can_emit_warnings: bool, @@ -540,7 +540,7 @@ pub struct HandlerFlags { pub track_diagnostics: bool, } -impl Drop for HandlerInner { +impl Drop for DiagCtxtInner { fn drop(&mut self) { self.emit_stashed_diagnostics(); @@ -572,7 +572,7 @@ impl Drop for HandlerInner { } } -impl Handler { +impl DiagCtxt { pub fn with_tty_emitter( sm: Option<Lrc<SourceMap>>, fallback_bundle: LazyFallbackBundle, @@ -585,7 +585,7 @@ impl Handler { self } - pub fn with_flags(mut self, flags: HandlerFlags) -> Self { + pub fn with_flags(mut self, flags: DiagCtxtFlags) -> Self { self.inner.get_mut().flags = flags; self } @@ -597,8 +597,8 @@ impl Handler { pub fn with_emitter(emitter: Box<DynEmitter>) -> Self { Self { - inner: Lock::new(HandlerInner { - flags: HandlerFlags { can_emit_warnings: true, ..Default::default() }, + inner: Lock::new(DiagCtxtInner { + flags: DiagCtxtFlags { can_emit_warnings: true, ..Default::default() }, lint_err_count: 0, err_count: 0, warn_count: 0, @@ -1057,7 +1057,7 @@ impl Handler { inner.emit_diagnostic(diagnostic).unwrap() } - // FIXME(eddyb) note the comment inside `impl Drop for HandlerInner`, that's + // FIXME(eddyb) note the comment inside `impl Drop for DiagCtxtInner`, that's // where the explanation of what "good path" is (also, it should be renamed). pub fn good_path_delayed_bug(&self, msg: impl Into<DiagnosticMessage>) { let mut inner = self.inner.borrow_mut(); @@ -1396,12 +1396,12 @@ impl Handler { } /// This methods steals all [`LintExpectationId`]s that are stored inside - /// [`HandlerInner`] and indicate that the linked expectation has been fulfilled. + /// [`DiagCtxtInner`] and indicate that the linked expectation has been fulfilled. #[must_use] pub fn steal_fulfilled_expectation_ids(&self) -> FxHashSet<LintExpectationId> { assert!( self.inner.borrow().unstable_expect_diagnostics.is_empty(), - "`HandlerInner::unstable_expect_diagnostics` should be empty at this point", + "`DiagCtxtInner::unstable_expect_diagnostics` should be empty at this point", ); std::mem::take(&mut self.inner.borrow_mut().fulfilled_expectations) } @@ -1413,11 +1413,11 @@ impl Handler { } } -// Note: we prefer implementing operations on `Handler`, rather than -// `HandlerInner`, whenever possible. This minimizes functions where -// `Handler::foo()` just borrows `inner` and forwards a call to +// Note: we prefer implementing operations on `DiagCtxt`, rather than +// `DiagCtxtInner`, whenever possible. This minimizes functions where +// `DiagCtxt::foo()` just borrows `inner` and forwards a call to // `HanderInner::foo`. -impl HandlerInner { +impl DiagCtxtInner { /// Emit all stashed diagnostics. fn emit_stashed_diagnostics(&mut self) -> Option<ErrorGuaranteed> { let has_errors = self.has_errors(); |