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Auto merge of #119621 - compiler-errors:rollup-5mxtvuk, r=compiler-errors 

Rollup of 10 pull requests

Successful merges:

 - #119034 (Allow coverage tests to ignore test modes, and to enable color in coverage reports)
 - #119148 (Tweak suggestions for bare trait used as a type)
 - #119538 (Cleanup error handlers: round 5)
 - #119566 (Remove `-Zdump-mir-spanview`)
 - #119567 (Remove `-Zreport-delayed-bugs`.)
 - #119577 (Migrate memory overlap check from validator to lint)
 - #119583 (Make `intrinsics::assume` const stable)
 - #119586 ([rustdoc] Fix invalid handling for static method calls in jump to definition feature)
 - #119588 (Move `i586-unknown-netbsd` from tier 2 to tier 3 platform support table)
 - #119601 (`Emitter` cleanups)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2024-01-05 16:31:05 +00:00
parent 432fffa8af da700b39df
commit 11035f9f52
133 changed files with 1560 additions and 1830 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
compiler/rustc_ast_passes/src/errors.rs
View File

@ -725,8 +725,8 @@ impl AddToDiagnostic for StableFeature {
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
{
diag.set_arg("name", self.name);
diag.set_arg("since", self.since);
diag.arg("name", self.name);
diag.arg("since", self.since);
diag.help(fluent::ast_passes_stable_since);
}
}

8
compiler/rustc_attr/src/session_diagnostics.rs
View File

@ -55,10 +55,10 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for UnknownMetaItem<'_> {
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
let expected = self.expected.iter().map(|name| format!("`{name}`")).collect::<Vec<_>>();
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::attr_unknown_meta_item);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0541));
diag.set_arg("item", self.item);
diag.set_arg("expected", expected.join(", "));
diag.arg("item", self.item);
diag.arg("expected", expected.join(", "));
diag.span_label(self.span, fluent::attr_label);
diag
}
@ -215,7 +215,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for UnsupportedLiteral {
}
},
);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0565));
if self.is_bytestr {
diag.span_suggestion(

6
compiler/rustc_builtin_macros/src/errors.rs
View File

@ -454,7 +454,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for EnvNotDefinedWithUserMe
reason = "cannot translate user-provided messages"
)]
let mut diag = DiagnosticBuilder::new(dcx, level, self.msg_from_user.to_string());
diag.set_span(self.span);
diag.span(self.span);
diag
}
}
@ -618,7 +618,7 @@ impl AddToDiagnostic for FormatUnusedArg {
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
{
diag.set_arg("named", self.named);
diag.arg("named", self.named);
let msg = f(diag, crate::fluent_generated::builtin_macros_format_unused_arg.into());
diag.span_label(self.span, msg);
}
@ -808,7 +808,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for AsmClobberNoReg {
level,
crate::fluent_generated::builtin_macros_asm_clobber_no_reg,
);
diag.set_span(self.spans.clone());
diag.span(self.spans.clone());
// eager translation as `span_labels` takes `AsRef<str>`
let lbl1 = dcx.eagerly_translate_to_string(
crate::fluent_generated::builtin_macros_asm_clobber_abi,

4
compiler/rustc_builtin_macros/src/test.rs
View File

@ -395,10 +395,10 @@ fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>)
// These were a warning before #92959 and need to continue being that to avoid breaking
// stable user code (#94508).
Some(ast::ItemKind::MacCall(_)) => Level::Warning(None),
_ => Level::Error { lint: false },
_ => Level::Error,
};
let mut err = DiagnosticBuilder::<()>::new(dcx, level, msg);
err.set_span(attr_sp);
err.span(attr_sp);
if let Some(item) = item {
err.span_label(
item.span,

4
compiler/rustc_codegen_gcc/src/errors.rs
View File

@ -119,12 +119,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetFeatureDisableOrEnabl
fluent::codegen_gcc_target_feature_disable_or_enable
);
if let Some(span) = self.span {
diag.set_span(span);
diag.span(span);
};
if let Some(missing_features) = self.missing_features {
diag.subdiagnostic(missing_features);
}
diag.set_arg("features", self.features.join(", "));
diag.arg("features", self.features.join(", "));
diag
}
}

2
compiler/rustc_codegen_llvm/src/back/write.rs
View File

@ -416,7 +416,7 @@ fn report_inline_asm(
cookie = 0;
}
let level = match level {
llvm::DiagnosticLevel::Error => Level::Error { lint: false },
llvm::DiagnosticLevel::Error => Level::Error,
llvm::DiagnosticLevel::Warning => Level::Warning(None),
llvm::DiagnosticLevel::Note | llvm::DiagnosticLevel::Remark => Level::Note,
};

10
compiler/rustc_codegen_llvm/src/errors.rs
View File

@ -107,7 +107,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ParseTargetMachineConfig<'_
let mut diag =
DiagnosticBuilder::new(dcx, level, fluent::codegen_llvm_parse_target_machine_config);
diag.set_arg("error", message);
diag.arg("error", message);
diag
}
}
@ -130,12 +130,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetFeatureDisableOrEnabl
fluent::codegen_llvm_target_feature_disable_or_enable,
);
if let Some(span) = self.span {
diag.set_span(span);
diag.span(span);
};
if let Some(missing_features) = self.missing_features {
diag.subdiagnostic(missing_features);
}
diag.set_arg("features", self.features.join(", "));
diag.arg("features", self.features.join(", "));
diag
}
}
@ -205,8 +205,8 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for WithLlvmError<'_> {
ParseBitcode => fluent::codegen_llvm_parse_bitcode_with_llvm_err,
};
let mut diag = self.0.into_diagnostic(dcx, level);
diag.set_primary_message(msg_with_llvm_err);
diag.set_arg("llvm_err", self.1);
diag.primary_message(msg_with_llvm_err);
diag.arg("llvm_err", self.1);
diag
}
}

8
compiler/rustc_codegen_ssa/src/back/write.rs
View File

@ -1848,9 +1848,9 @@ impl SharedEmitterMain {
}
Ok(SharedEmitterMessage::InlineAsmError(cookie, msg, level, source)) => {
let err_level = match level {
Level::Error { lint: false } => rustc_errors::Level::Error { lint: false },
Level::Warning(_) => rustc_errors::Level::Warning(None),
Level::Note => rustc_errors::Level::Note,
Level::Error => Level::Error,
Level::Warning(_) => Level::Warning(None),
Level::Note => Level::Note,
_ => bug!("Invalid inline asm diagnostic level"),
};
let msg = msg.strip_prefix("error: ").unwrap_or(&msg).to_string();
@ -1860,7 +1860,7 @@ impl SharedEmitterMain {
if cookie != 0 {
let pos = BytePos::from_u32(cookie);
let span = Span::with_root_ctxt(pos, pos);
err.set_span(span);
err.span(span);
};
// Point to the generated assembly if it is available.

54
compiler/rustc_codegen_ssa/src/errors.rs
View File

@ -244,30 +244,30 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::NamelessSection(_, offset) => {
diag = build(fluent::codegen_ssa_thorin_section_without_name);
diag.set_arg("offset", format!("0x{offset:08x}"));
diag.arg("offset", format!("0x{offset:08x}"));
diag
}
thorin::Error::RelocationWithInvalidSymbol(section, offset) => {
diag = build(fluent::codegen_ssa_thorin_relocation_with_invalid_symbol);
diag.set_arg("section", section);
diag.set_arg("offset", format!("0x{offset:08x}"));
diag.arg("section", section);
diag.arg("offset", format!("0x{offset:08x}"));
diag
}
thorin::Error::MultipleRelocations(section, offset) => {
diag = build(fluent::codegen_ssa_thorin_multiple_relocations);
diag.set_arg("section", section);
diag.set_arg("offset", format!("0x{offset:08x}"));
diag.arg("section", section);
diag.arg("offset", format!("0x{offset:08x}"));
diag
}
thorin::Error::UnsupportedRelocation(section, offset) => {
diag = build(fluent::codegen_ssa_thorin_unsupported_relocation);
diag.set_arg("section", section);
diag.set_arg("offset", format!("0x{offset:08x}"));
diag.arg("section", section);
diag.arg("offset", format!("0x{offset:08x}"));
diag
}
thorin::Error::MissingDwoName(id) => {
diag = build(fluent::codegen_ssa_thorin_missing_dwo_name);
diag.set_arg("id", format!("0x{id:08x}"));
diag.arg("id", format!("0x{id:08x}"));
diag
}
thorin::Error::NoCompilationUnits => {
@ -284,7 +284,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::MissingRequiredSection(section) => {
diag = build(fluent::codegen_ssa_thorin_missing_required_section);
diag.set_arg("section", section);
diag.arg("section", section);
diag
}
thorin::Error::ParseUnitAbbreviations(_) => {
@ -305,34 +305,34 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::IncompatibleIndexVersion(section, format, actual) => {
diag = build(fluent::codegen_ssa_thorin_incompatible_index_version);
diag.set_arg("section", section);
diag.set_arg("actual", actual);
diag.set_arg("format", format);
diag.arg("section", section);
diag.arg("actual", actual);
diag.arg("format", format);
diag
}
thorin::Error::OffsetAtIndex(_, index) => {
diag = build(fluent::codegen_ssa_thorin_offset_at_index);
diag.set_arg("index", index);
diag.arg("index", index);
diag
}
thorin::Error::StrAtOffset(_, offset) => {
diag = build(fluent::codegen_ssa_thorin_str_at_offset);
diag.set_arg("offset", format!("0x{offset:08x}"));
diag.arg("offset", format!("0x{offset:08x}"));
diag
}
thorin::Error::ParseIndex(_, section) => {
diag = build(fluent::codegen_ssa_thorin_parse_index);
diag.set_arg("section", section);
diag.arg("section", section);
diag
}
thorin::Error::UnitNotInIndex(unit) => {
diag = build(fluent::codegen_ssa_thorin_unit_not_in_index);
diag.set_arg("unit", format!("0x{unit:08x}"));
diag.arg("unit", format!("0x{unit:08x}"));
diag
}
thorin::Error::RowNotInIndex(_, row) => {
diag = build(fluent::codegen_ssa_thorin_row_not_in_index);
diag.set_arg("row", row);
diag.arg("row", row);
diag
}
thorin::Error::SectionNotInRow => {
@ -341,7 +341,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::EmptyUnit(unit) => {
diag = build(fluent::codegen_ssa_thorin_empty_unit);
diag.set_arg("unit", format!("0x{unit:08x}"));
diag.arg("unit", format!("0x{unit:08x}"));
diag
}
thorin::Error::MultipleDebugInfoSection => {
@ -358,12 +358,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::DuplicateUnit(unit) => {
diag = build(fluent::codegen_ssa_thorin_duplicate_unit);
diag.set_arg("unit", format!("0x{unit:08x}"));
diag.arg("unit", format!("0x{unit:08x}"));
diag
}
thorin::Error::MissingReferencedUnit(unit) => {
diag = build(fluent::codegen_ssa_thorin_missing_referenced_unit);
diag.set_arg("unit", format!("0x{unit:08x}"));
diag.arg("unit", format!("0x{unit:08x}"));
diag
}
thorin::Error::NoOutputObjectCreated => {
@ -376,27 +376,27 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for ThorinErrorWrapper {
}
thorin::Error::Io(e) => {
diag = build(fluent::codegen_ssa_thorin_io);
diag.set_arg("error", format!("{e}"));
diag.arg("error", format!("{e}"));
diag
}
thorin::Error::ObjectRead(e) => {
diag = build(fluent::codegen_ssa_thorin_object_read);
diag.set_arg("error", format!("{e}"));
diag.arg("error", format!("{e}"));
diag
}
thorin::Error::ObjectWrite(e) => {
diag = build(fluent::codegen_ssa_thorin_object_write);
diag.set_arg("error", format!("{e}"));
diag.arg("error", format!("{e}"));
diag
}
thorin::Error::GimliRead(e) => {
diag = build(fluent::codegen_ssa_thorin_gimli_read);
diag.set_arg("error", format!("{e}"));
diag.arg("error", format!("{e}"));
diag
}
thorin::Error::GimliWrite(e) => {
diag = build(fluent::codegen_ssa_thorin_gimli_write);
diag.set_arg("error", format!("{e}"));
diag.arg("error", format!("{e}"));
diag
}
_ => unimplemented!("Untranslated thorin error"),
@ -414,8 +414,8 @@ pub struct LinkingFailed<'a> {
impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for LinkingFailed<'_> {
fn into_diagnostic(self, dcx: &DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::codegen_ssa_linking_failed);
diag.set_arg("linker_path", format!("{}", self.linker_path.display()));
diag.set_arg("exit_status", format!("{}", self.exit_status));
diag.arg("linker_path", format!("{}", self.linker_path.display()));
diag.arg("exit_status", format!("{}", self.exit_status));
let contains_undefined_ref = self.escaped_output.contains("undefined reference to");

86
compiler/rustc_const_eval/src/errors.rs
View File

@ -518,7 +518,7 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
Ub(_) => {}
Custom(custom) => {
(custom.add_args)(&mut |name, value| {
builder.set_arg(name, value);
builder.arg(name, value);
});
}
ValidationError(e) => e.add_args(dcx, builder),
@ -536,65 +536,65 @@ impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
| UninhabitedEnumVariantWritten(_)
| UninhabitedEnumVariantRead(_) => {}
BoundsCheckFailed { len, index } => {
builder.set_arg("len", len);
builder.set_arg("index", index);
builder.arg("len", len);
builder.arg("index", index);
}
UnterminatedCString(ptr) | InvalidFunctionPointer(ptr) | InvalidVTablePointer(ptr) => {
builder.set_arg("pointer", ptr);
builder.arg("pointer", ptr);
}
PointerUseAfterFree(alloc_id, msg) => {
builder
.set_arg("alloc_id", alloc_id)
.set_arg("bad_pointer_message", bad_pointer_message(msg, dcx));
.arg("alloc_id", alloc_id)
.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
}
PointerOutOfBounds { alloc_id, alloc_size, ptr_offset, ptr_size, msg } => {
builder
.set_arg("alloc_id", alloc_id)
.set_arg("alloc_size", alloc_size.bytes())
.set_arg("ptr_offset", ptr_offset)
.set_arg("ptr_size", ptr_size.bytes())
.set_arg("bad_pointer_message", bad_pointer_message(msg, dcx));
.arg("alloc_id", alloc_id)
.arg("alloc_size", alloc_size.bytes())
.arg("ptr_offset", ptr_offset)
.arg("ptr_size", ptr_size.bytes())
.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
}
DanglingIntPointer(ptr, msg) => {
if ptr != 0 {
builder.set_arg("pointer", format!("{ptr:#x}[noalloc]"));
builder.arg("pointer", format!("{ptr:#x}[noalloc]"));
}
builder.set_arg("bad_pointer_message", bad_pointer_message(msg, dcx));
builder.arg("bad_pointer_message", bad_pointer_message(msg, dcx));
}
AlignmentCheckFailed(Misalignment { required, has }, msg) => {
builder.set_arg("required", required.bytes());
builder.set_arg("has", has.bytes());
builder.set_arg("msg", format!("{msg:?}"));
builder.arg("required", required.bytes());
builder.arg("has", has.bytes());
builder.arg("msg", format!("{msg:?}"));
}
WriteToReadOnly(alloc) | DerefFunctionPointer(alloc) | DerefVTablePointer(alloc) => {
builder.set_arg("allocation", alloc);
builder.arg("allocation", alloc);
}
InvalidBool(b) => {
builder.set_arg("value", format!("{b:02x}"));
builder.arg("value", format!("{b:02x}"));
}
InvalidChar(c) => {
builder.set_arg("value", format!("{c:08x}"));
builder.arg("value", format!("{c:08x}"));
}
InvalidTag(tag) => {
builder.set_arg("tag", format!("{tag:x}"));
builder.arg("tag", format!("{tag:x}"));
}
InvalidStr(err) => {
builder.set_arg("err", format!("{err}"));
builder.arg("err", format!("{err}"));
}
InvalidUninitBytes(Some((alloc, info))) => {
builder.set_arg("alloc", alloc);
builder.set_arg("access", info.access);
builder.set_arg("uninit", info.bad);
builder.arg("alloc", alloc);
builder.arg("access", info.access);
builder.arg("uninit", info.bad);
}
ScalarSizeMismatch(info) => {
builder.set_arg("target_size", info.target_size);
builder.set_arg("data_size", info.data_size);
builder.arg("target_size", info.target_size);
builder.arg("data_size", info.data_size);
}
AbiMismatchArgument { caller_ty, callee_ty }
| AbiMismatchReturn { caller_ty, callee_ty } => {
builder.set_arg("caller_ty", caller_ty.to_string());
builder.set_arg("callee_ty", callee_ty.to_string());
builder.arg("caller_ty", caller_ty.to_string());
builder.arg("callee_ty", callee_ty.to_string());
}
}
}
@ -695,7 +695,7 @@ impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> {
)
};
err.set_arg("front_matter", message);
err.arg("front_matter", message);
fn add_range_arg<G: EmissionGuarantee>(
r: WrappingRange,
@ -725,12 +725,12 @@ impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> {
];
let args = args.iter().map(|(a, b)| (a, b));
let message = dcx.eagerly_translate_to_string(msg, args);
err.set_arg("in_range", message);
err.arg("in_range", message);
}
match self.kind {
PtrToUninhabited { ty, .. } | UninhabitedVal { ty } => {
err.set_arg("ty", ty);
err.arg("ty", ty);
}
PointerAsInt { expected } | Uninit { expected } => {
let msg = match expected {
@ -747,28 +747,28 @@ impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> {
ExpectedKind::Str => fluent::const_eval_validation_expected_str,
};
let msg = dcx.eagerly_translate_to_string(msg, [].into_iter());
err.set_arg("expected", msg);
err.arg("expected", msg);
}
InvalidEnumTag { value }
| InvalidVTablePtr { value }
| InvalidBool { value }
| InvalidChar { value }
| InvalidFnPtr { value } => {
err.set_arg("value", value);
err.arg("value", value);
}
NullablePtrOutOfRange { range, max_value } | PtrOutOfRange { range, max_value } => {
add_range_arg(range, max_value, dcx, err)
}
OutOfRange { range, max_value, value } => {
err.set_arg("value", value);
err.arg("value", value);
add_range_arg(range, max_value, dcx, err);
}
UnalignedPtr { required_bytes, found_bytes, .. } => {
err.set_arg("required_bytes", required_bytes);
err.set_arg("found_bytes", found_bytes);
err.arg("required_bytes", required_bytes);
err.arg("found_bytes", found_bytes);
}
DanglingPtrNoProvenance { pointer, .. } => {
err.set_arg("pointer", pointer);
err.arg("pointer", pointer);
}
NullPtr { .. }
| PtrToStatic { .. }
@ -814,10 +814,10 @@ impl ReportErrorExt for UnsupportedOpInfo {
// print. So it's not worth the effort of having diagnostics that can print the `info`.
UnsizedLocal | Unsupported(_) | ReadPointerAsInt(_) => {}
OverwritePartialPointer(ptr) | ReadPartialPointer(ptr) => {
builder.set_arg("ptr", ptr);
builder.arg("ptr", ptr);
}
ThreadLocalStatic(did) | ReadExternStatic(did) => {
builder.set_arg("did", format!("{did:?}"));
builder.arg("did", format!("{did:?}"));
}
}
}
@ -844,7 +844,7 @@ impl<'tcx> ReportErrorExt for InterpError<'tcx> {
InterpError::InvalidProgram(e) => e.add_args(dcx, builder),
InterpError::ResourceExhaustion(e) => e.add_args(dcx, builder),
InterpError::MachineStop(e) => e.add_args(&mut |name, value| {
builder.set_arg(name, value);
builder.arg(name, value);
}),
}
}
@ -880,15 +880,15 @@ impl<'tcx> ReportErrorExt for InvalidProgramInfo<'tcx> {
let diag: DiagnosticBuilder<'_, ()> =
e.into_diagnostic().into_diagnostic(dcx, dummy_level);
for (name, val) in diag.args() {
builder.set_arg(name.clone(), val.clone());
builder.arg(name.clone(), val.clone());
}
diag.cancel();
}
InvalidProgramInfo::FnAbiAdjustForForeignAbi(
AdjustForForeignAbiError::Unsupported { arch, abi },
) => {
builder.set_arg("arch", arch);
builder.set_arg("abi", abi.name());
builder.arg("arch", arch);
builder.arg("abi", abi.name());
}
}
}

46
compiler/rustc_const_eval/src/transform/validate.rs
View File

@ -74,7 +74,6 @@ impl<'tcx> MirPass<'tcx> for Validator {
mir_phase,
unwind_edge_count: 0,
reachable_blocks: traversal::reachable_as_bitset(body),
place_cache: FxHashSet::default(),
value_cache: FxHashSet::default(),
can_unwind,
};
@ -106,7 +105,6 @@ struct CfgChecker<'a, 'tcx> {
mir_phase: MirPhase,
unwind_edge_count: usize,
reachable_blocks: BitSet<BasicBlock>,
place_cache: FxHashSet<PlaceRef<'tcx>>,
value_cache: FxHashSet<u128>,
// If `false`, then the MIR must not contain `UnwindAction::Continue` or
// `TerminatorKind::Resume`.
@ -294,19 +292,6 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location) {
match &statement.kind {
StatementKind::Assign(box (dest, rvalue)) => {
// FIXME(JakobDegen): Check this for all rvalues, not just this one.
if let Rvalue::Use(Operand::Copy(src) | Operand::Move(src)) = rvalue {
// The sides of an assignment must not alias. Currently this just checks whether
// the places are identical.
if dest == src {
self.fail(
location,
"encountered `Assign` statement with overlapping memory",
);
}
}
}
StatementKind::AscribeUserType(..) => {
if self.mir_phase >= MirPhase::Runtime(RuntimePhase::Initial) {
self.fail(
@ -341,7 +326,8 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
self.fail(location, format!("explicit `{kind:?}` is forbidden"));
}
}
StatementKind::StorageLive(_)
StatementKind::Assign(..)
| StatementKind::StorageLive(_)
| StatementKind::StorageDead(_)
| StatementKind::Intrinsic(_)
| StatementKind::Coverage(_)
@ -404,10 +390,7 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
}
// The call destination place and Operand::Move place used as an argument might be
// passed by a reference to the callee. Consequently they must be non-overlapping
// and cannot be packed. Currently this simply checks for duplicate places.
self.place_cache.clear();
self.place_cache.insert(destination.as_ref());
// passed by a reference to the callee. Consequently they cannot be packed.
if is_within_packed(self.tcx, &self.body.local_decls, *destination).is_some() {
// This is bad! The callee will expect the memory to be aligned.
self.fail(
@ -418,10 +401,8 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
),
);
}
let mut has_duplicates = false;
for arg in args {
if let Operand::Move(place) = arg {
has_duplicates |= !self.place_cache.insert(place.as_ref());
if is_within_packed(self.tcx, &self.body.local_decls, *place).is_some() {
// This is bad! The callee will expect the memory to be aligned.
self.fail(
@ -434,16 +415,6 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
}
}
}
if has_duplicates {
self.fail(
location,
format!(
"encountered overlapping memory in `Move` arguments to `Call` terminator: {:?}",
terminator.kind,
),
);
}
}
TerminatorKind::Assert { target, unwind, .. } => {
self.check_edge(location, *target, EdgeKind::Normal);
@ -1112,17 +1083,6 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
)
}
}
// FIXME(JakobDegen): Check this for all rvalues, not just this one.
if let Rvalue::Use(Operand::Copy(src) | Operand::Move(src)) = rvalue {
// The sides of an assignment must not alias. Currently this just checks whether
// the places are identical.
if dest == src {
self.fail(
location,
"encountered `Assign` statement with overlapping memory",
);
}
}
}
StatementKind::AscribeUserType(..) => {
if self.mir_phase >= MirPhase::Runtime(RuntimePhase::Initial) {

2
compiler/rustc_driver_impl/src/lib.rs
View File

@ -1393,7 +1393,7 @@ fn report_ice(
) {
let fallback_bundle =
rustc_errors::fallback_fluent_bundle(crate::DEFAULT_LOCALE_RESOURCES.to_vec(), false);
let emitter = Box::new(rustc_errors::emitter::EmitterWriter::stderr(
let emitter = Box::new(rustc_errors::emitter::HumanEmitter::stderr(
rustc_errors::ColorConfig::Auto,
fallback_bundle,
));

12
compiler/rustc_errors/src/annotate_snippet_emitter_writer.rs
View File

@ -20,7 +20,7 @@ use rustc_span::source_map::SourceMap;
use rustc_span::SourceFile;
/// Generates diagnostics using annotate-snippet
pub struct AnnotateSnippetEmitterWriter {
pub struct AnnotateSnippetEmitter {
source_map: Option<Lrc<SourceMap>>,
fluent_bundle: Option<Lrc<FluentBundle>>,
fallback_bundle: LazyFallbackBundle,
@ -33,7 +33,7 @@ pub struct AnnotateSnippetEmitterWriter {
macro_backtrace: bool,
}
impl Translate for AnnotateSnippetEmitterWriter {
impl Translate for AnnotateSnippetEmitter {
fn fluent_bundle(&self) -> Option<&Lrc<FluentBundle>> {
self.fluent_bundle.as_ref()
}
@ -43,7 +43,7 @@ impl Translate for AnnotateSnippetEmitterWriter {
}
}
impl Emitter for AnnotateSnippetEmitterWriter {
impl Emitter for AnnotateSnippetEmitter {
/// The entry point for the diagnostics generation
fn emit_diagnostic(&mut self, diag: &Diagnostic) {
let fluent_args = to_fluent_args(diag.args());
@ -86,9 +86,7 @@ fn source_string(file: Lrc<SourceFile>, line: &Line) -> String {
/// Maps `Diagnostic::Level` to `snippet::AnnotationType`
fn annotation_type_for_level(level: Level) -> AnnotationType {
match level {
Level::Bug | Level::DelayedBug | Level::Fatal | Level::Error { .. } => {
AnnotationType::Error
}
Level::Bug | Level::DelayedBug | Level::Fatal | Level::Error => AnnotationType::Error,
Level::Warning(_) => AnnotationType::Warning,
Level::Note | Level::OnceNote => AnnotationType::Note,
Level::Help | Level::OnceHelp => AnnotationType::Help,
@ -99,7 +97,7 @@ fn annotation_type_for_level(level: Level) -> AnnotationType {
}
}
impl AnnotateSnippetEmitterWriter {
impl AnnotateSnippetEmitter {
pub fn new(
source_map: Option<Lrc<SourceMap>>,
fluent_bundle: Option<Lrc<FluentBundle>>,

41
compiler/rustc_errors/src/diagnostic.rs
View File

@ -212,6 +212,9 @@ impl StringPart {
}
}
// Note: most of these methods are setters that return `&mut Self`. The small
// number of simple getter functions all have `get_` prefixes to distinguish
// them from the setters.
impl Diagnostic {
#[track_caller]
pub fn new<M: Into<DiagnosticMessage>>(level: Level, message: M) -> Self {
@ -241,11 +244,9 @@ impl Diagnostic {
pub fn is_error(&self) -> bool {
match self.level {
Level::Bug
| Level::DelayedBug
| Level::Fatal
| Level::Error { .. }
| Level::FailureNote => true,
Level::Bug | Level::DelayedBug | Level::Fatal | Level::Error | Level::FailureNote => {
true
}
Level::Warning(_)
| Level::Note
@ -308,25 +309,27 @@ impl Diagnostic {
/// In the meantime, though, callsites are required to deal with the "bug"
/// locally in whichever way makes the most sense.
#[track_caller]
pub fn downgrade_to_delayed_bug(&mut self) -> &mut Self {
pub fn downgrade_to_delayed_bug(&mut self) {
assert!(
self.is_error(),
"downgrade_to_delayed_bug: cannot downgrade {:?} to DelayedBug: not an error",
self.level
);
self.level = Level::DelayedBug;
self
}
/// Adds a span/label to be included in the resulting snippet.
/// Appends a labeled span to the diagnostic.
///
/// This is pushed onto the [`MultiSpan`] that was created when the diagnostic
/// was first built. That means it will be shown together with the original
/// span/label, *not* a span added by one of the `span_{note,warn,help,suggestions}` methods.
/// Labels are used to convey additional context for the diagnostic's primary span. They will
/// be shown together with the original diagnostic's span, *not* with spans added by
/// `span_note`, `span_help`, etc. Therefore, if the primary span is not displayable (because
/// the span is `DUMMY_SP` or the source code isn't found), labels will not be displayed
/// either.
///
/// This span is *not* considered a ["primary span"][`MultiSpan`]; only
/// the `Span` supplied when creating the diagnostic is primary.
/// Implementation-wise, the label span is pushed onto the [`MultiSpan`] that was created when
/// the diagnostic was constructed. However, the label span is *not* considered a
/// ["primary span"][`MultiSpan`]; only the `Span` supplied when creating the diagnostic is
/// primary.
#[rustc_lint_diagnostics]
pub fn span_label(&mut self, span: Span, label: impl Into<SubdiagnosticMessage>) -> &mut Self {
self.span.push_span_label(span, self.subdiagnostic_message_to_diagnostic_message(label));
@ -344,7 +347,7 @@ impl Diagnostic {
pub fn replace_span_with(&mut self, after: Span, keep_label: bool) -> &mut Self {
let before = self.span.clone();
self.set_span(after);
self.span(after);
for span_label in before.span_labels() {
if let Some(label) = span_label.label {
if span_label.is_primary && keep_label {
@ -876,7 +879,7 @@ impl Diagnostic {
self
}
pub fn set_span<S: Into<MultiSpan>>(&mut self, sp: S) -> &mut Self {
pub fn span<S: Into<MultiSpan>>(&mut self, sp: S) -> &mut Self {
self.span = sp.into();
if let Some(span) = self.span.primary_span() {
self.sort_span = span;
@ -884,7 +887,7 @@ impl Diagnostic {
self
}
pub fn set_is_lint(&mut self) -> &mut Self {
pub fn is_lint(&mut self) -> &mut Self {
self.is_lint = true;
self
}
@ -903,7 +906,7 @@ impl Diagnostic {
self.code.clone()
}
pub fn set_primary_message(&mut self, msg: impl Into<DiagnosticMessage>) -> &mut Self {
pub fn primary_message(&mut self, msg: impl Into<DiagnosticMessage>) -> &mut Self {
self.messages[0] = (msg.into(), Style::NoStyle);
self
}
@ -915,7 +918,7 @@ impl Diagnostic {
self.args.iter()
}
pub fn set_arg(
pub fn arg(
&mut self,
name: impl Into<Cow<'static, str>>,
arg: impl IntoDiagnosticArg,

53
compiler/rustc_errors/src/diagnostic_builder.rs
View File

@ -31,7 +31,7 @@ where
{
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
let mut diag = self.node.into_diagnostic(dcx, level);
diag.set_span(self.span);
diag.span(self.span);
diag
}
}
@ -207,11 +207,11 @@ macro_rules! forward {
// Forward pattern for &mut self -> &mut Self
(
$(#[$attrs:meta])*
pub fn $n:ident(&mut self, $($name:ident: $ty:ty),* $(,)?) -> &mut Self
pub fn $n:ident(&mut self $(, $name:ident: $ty:ty)* $(,)?) -> &mut Self
) => {
$(#[$attrs])*
#[doc = concat!("See [`Diagnostic::", stringify!($n), "()`].")]
pub fn $n(&mut self, $($name: $ty),*) -> &mut Self {
pub fn $n(&mut self $(, $name: $ty)*) -> &mut Self {
self.diagnostic.$n($($name),*);
self
}
@ -356,35 +356,16 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
self.emit()
}
forward!(
#[track_caller]
pub fn downgrade_to_delayed_bug(&mut self,) -> &mut Self
);
forward!(
/// Appends a labeled span to the diagnostic.
///
/// Labels are used to convey additional context for the diagnostic's primary span. They will
/// be shown together with the original diagnostic's span, *not* with spans added by
/// `span_note`, `span_help`, etc. Therefore, if the primary span is not displayable (because
/// the span is `DUMMY_SP` or the source code isn't found), labels will not be displayed
/// either.
///
/// Implementation-wise, the label span is pushed onto the [`MultiSpan`] that was created when
/// the diagnostic was constructed. However, the label span is *not* considered a
/// ["primary span"][`MultiSpan`]; only the `Span` supplied when creating the diagnostic is
/// primary.
pub fn span_label(&mut self, span: Span, label: impl Into<SubdiagnosticMessage>) -> &mut Self);
forward!(
/// Labels all the given spans with the provided label.
/// See [`Diagnostic::span_label()`] for more information.
pub fn span_labels(
forward!(pub fn span_label(
&mut self,
span: Span,
label: impl Into<SubdiagnosticMessage>
) -> &mut Self);
forward!(pub fn span_labels(
&mut self,
spans: impl IntoIterator<Item = Span>,
label: &str,
) -> &mut Self);
forward!(pub fn note_expected_found(
&mut self,
expected_label: &dyn fmt::Display,
@ -392,7 +373,6 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
found_label: &dyn fmt::Display,
found: DiagnosticStyledString,
) -> &mut Self);
forward!(pub fn note_expected_found_extra(
&mut self,
expected_label: &dyn fmt::Display,
@ -402,7 +382,6 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
expected_extra: &dyn fmt::Display,
found_extra: &dyn fmt::Display,
) -> &mut Self);
forward!(pub fn note(&mut self, msg: impl Into<SubdiagnosticMessage>) -> &mut Self);
forward!(pub fn note_once(&mut self, msg: impl Into<SubdiagnosticMessage>) -> &mut Self);
forward!(pub fn span_note(
@ -428,10 +407,8 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
sp: impl Into<MultiSpan>,
msg: impl Into<SubdiagnosticMessage>,
) -> &mut Self);
forward!(pub fn set_is_lint(&mut self,) -> &mut Self);
forward!(pub fn disable_suggestions(&mut self,) -> &mut Self);
forward!(pub fn is_lint(&mut self) -> &mut Self);
forward!(pub fn disable_suggestions(&mut self) -> &mut Self);
forward!(pub fn multipart_suggestion(
&mut self,
msg: impl Into<SubdiagnosticMessage>,
@ -498,16 +475,14 @@ impl<'a, G: EmissionGuarantee> DiagnosticBuilder<'a, G> {
suggestion: impl ToString,
applicability: Applicability,
) -> &mut Self);
forward!(pub fn set_primary_message(&mut self, msg: impl Into<DiagnosticMessage>) -> &mut Self);
forward!(pub fn set_span(&mut self, sp: impl Into<MultiSpan>) -> &mut Self);
forward!(pub fn primary_message(&mut self, msg: impl Into<DiagnosticMessage>) -> &mut Self);
forward!(pub fn span(&mut self, sp: impl Into<MultiSpan>) -> &mut Self);
forward!(pub fn code(&mut self, s: DiagnosticId) -> &mut Self);
forward!(pub fn set_arg(
forward!(pub fn arg(
&mut self,
name: impl Into<Cow<'static, str>>,
arg: impl IntoDiagnosticArg,
) -> &mut Self);
forward!(pub fn subdiagnostic(
&mut self,
subdiagnostic: impl crate::AddToDiagnostic

32
compiler/rustc_errors/src/diagnostic_impls.rs
View File

@ -254,29 +254,29 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetDataLayoutErrors<'_>
TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => {
diag =
DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_address_space);
diag.set_arg("addr_space", addr_space);
diag.set_arg("cause", cause);
diag.set_arg("err", err);
diag.arg("addr_space", addr_space);
diag.arg("cause", cause);
diag.arg("err", err);
diag
}
TargetDataLayoutErrors::InvalidBits { kind, bit, cause, err } => {
diag = DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_bits);
diag.set_arg("kind", kind);
diag.set_arg("bit", bit);
diag.set_arg("cause", cause);
diag.set_arg("err", err);
diag.arg("kind", kind);
diag.arg("bit", bit);
diag.arg("cause", cause);
diag.arg("err", err);
diag
}
TargetDataLayoutErrors::MissingAlignment { cause } => {
diag = DiagnosticBuilder::new(dcx, level, fluent::errors_target_missing_alignment);
diag.set_arg("cause", cause);
diag.arg("cause", cause);
diag
}
TargetDataLayoutErrors::InvalidAlignment { cause, err } => {
diag = DiagnosticBuilder::new(dcx, level, 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.arg("cause", cause);
diag.arg("err_kind", err.diag_ident());
diag.arg("align", err.align());
diag
}
TargetDataLayoutErrors::InconsistentTargetArchitecture { dl, target } => {
@ -285,8 +285,8 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetDataLayoutErrors<'_>
level,
fluent::errors_target_inconsistent_architecture,
);
diag.set_arg("dl", dl);
diag.set_arg("target", target);
diag.arg("dl", dl);
diag.arg("target", target);
diag
}
TargetDataLayoutErrors::InconsistentTargetPointerWidth { pointer_size, target } => {
@ -295,13 +295,13 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TargetDataLayoutErrors<'_>
level,
fluent::errors_target_inconsistent_pointer_width,
);
diag.set_arg("pointer_size", pointer_size);
diag.set_arg("target", target);
diag.arg("pointer_size", pointer_size);
diag.arg("target", target);
diag
}
TargetDataLayoutErrors::InvalidBitsSize { err } => {
diag = DiagnosticBuilder::new(dcx, level, fluent::errors_target_invalid_bits_size);
diag.set_arg("err", err);
diag.arg("err", err);
diag
}
}

28
compiler/rustc_errors/src/emitter.rs
View File

@ -61,13 +61,13 @@ impl HumanReadableErrorType {
self,
mut dst: Box<dyn WriteColor + Send>,
fallback_bundle: LazyFallbackBundle,
) -> EmitterWriter {
) -> HumanEmitter {
let (short, color_config) = self.unzip();
let color = color_config.suggests_using_colors();
if !dst.supports_color() && color {
dst = Box::new(Ansi::new(dst));
}
EmitterWriter::new(dst, fallback_bundle).short_message(short)
HumanEmitter::new(dst, fallback_bundle).short_message(short)
}
}
@ -196,13 +196,15 @@ pub trait Emitter: Translate {
fn emit_diagnostic(&mut self, diag: &Diagnostic);
/// Emit a notification that an artifact has been output.
/// This is currently only supported for the JSON format,
/// other formats can, and will, simply ignore it.
/// Currently only supported for the JSON format.
fn emit_artifact_notification(&mut self, _path: &Path, _artifact_type: &str) {}
/// Emit a report about future breakage.
/// Currently only supported for the JSON format.
fn emit_future_breakage_report(&mut self, _diags: Vec<Diagnostic>) {}
/// Emit list of unused externs
/// Emit list of unused externs.
/// Currently only supported for the JSON format.
fn emit_unused_externs(
&mut self,
_lint_level: rustc_lint_defs::Level,
@ -501,7 +503,7 @@ pub trait Emitter: Translate {
}
}
impl Translate for EmitterWriter {
impl Translate for HumanEmitter {
fn fluent_bundle(&self) -> Option<&Lrc<FluentBundle>> {
self.fluent_bundle.as_ref()
}
@ -511,7 +513,7 @@ impl Translate for EmitterWriter {
}
}
impl Emitter for EmitterWriter {
impl Emitter for HumanEmitter {
fn source_map(&self) -> Option<&Lrc<SourceMap>> {
self.sm.as_ref()
}
@ -622,7 +624,7 @@ impl ColorConfig {
/// Handles the writing of `HumanReadableErrorType::Default` and `HumanReadableErrorType::Short`
#[derive(Setters)]
pub struct EmitterWriter {
pub struct HumanEmitter {
#[setters(skip)]
dst: IntoDynSyncSend<Destination>,
sm: Option<Lrc<SourceMap>>,
@ -647,14 +649,14 @@ pub struct FileWithAnnotatedLines {
multiline_depth: usize,
}
impl EmitterWriter {
pub fn stderr(color_config: ColorConfig, fallback_bundle: LazyFallbackBundle) -> EmitterWriter {
impl HumanEmitter {
pub fn stderr(color_config: ColorConfig, fallback_bundle: LazyFallbackBundle) -> HumanEmitter {
let dst = from_stderr(color_config);
Self::create(dst, fallback_bundle)
}
fn create(dst: Destination, fallback_bundle: LazyFallbackBundle) -> EmitterWriter {
EmitterWriter {
fn create(dst: Destination, fallback_bundle: LazyFallbackBundle) -> HumanEmitter {
HumanEmitter {
dst: IntoDynSyncSend(dst),
sm: None,
fluent_bundle: None,
@ -673,7 +675,7 @@ impl EmitterWriter {
pub fn new(
dst: Box<dyn WriteColor + Send>,
fallback_bundle: LazyFallbackBundle,
) -> EmitterWriter {
) -> HumanEmitter {
Self::create(dst, fallback_bundle)
}

66
compiler/rustc_errors/src/lib.rs
View File

@ -53,7 +53,7 @@ pub use snippet::Style;
pub use termcolor::{Color, ColorSpec, WriteColor};
use crate::diagnostic_impls::{DelayedAtWithNewline, DelayedAtWithoutNewline};
use emitter::{is_case_difference, DynEmitter, Emitter, EmitterWriter};
use emitter::{is_case_difference, DynEmitter, Emitter, HumanEmitter};
use registry::Registry;
use rustc_data_structures::fx::{FxHashSet, FxIndexMap, FxIndexSet};
use rustc_data_structures::stable_hasher::{Hash128, StableHasher};
@ -525,9 +525,6 @@ pub struct DiagCtxtFlags {
/// If true, immediately emit diagnostics that would otherwise be buffered.
/// (rustc: see `-Z dont-buffer-diagnostics` and `-Z treat-err-as-bug`)
pub dont_buffer_diagnostics: bool,
/// If true, immediately print bugs registered with `span_delayed_bug`.
/// (rustc: see `-Z report-delayed-bugs`)
pub report_delayed_bugs: bool,
/// Show macro backtraces.
/// (rustc: see `-Z macro-backtrace`)
pub macro_backtrace: bool,
@ -574,7 +571,7 @@ impl DiagCtxt {
sm: Option<Lrc<SourceMap>>,
fallback_bundle: LazyFallbackBundle,
) -> Self {
let emitter = Box::new(EmitterWriter::stderr(ColorConfig::Auto, fallback_bundle).sm(sm));
let emitter = Box::new(HumanEmitter::stderr(ColorConfig::Auto, fallback_bundle).sm(sm));
Self::with_emitter(emitter)
}
pub fn disable_warnings(mut self) -> Self {
@ -673,7 +670,7 @@ impl DiagCtxt {
let key = (span.with_parent(None), key);
if diag.is_error() {
if matches!(diag.level, Error { lint: true }) {
if diag.level == Error && diag.is_lint {
inner.lint_err_count += 1;
} else {
inner.err_count += 1;
@ -697,7 +694,7 @@ impl DiagCtxt {
let key = (span.with_parent(None), key);
let diag = inner.stashed_diagnostics.remove(&key)?;
if diag.is_error() {
if matches!(diag.level, Error { lint: true }) {
if diag.level == Error && diag.is_lint {
inner.lint_err_count -= 1;
} else {
inner.err_count -= 1;
@ -732,7 +729,7 @@ impl DiagCtxt {
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, ()> {
let mut result = self.struct_warn(msg);
result.set_span(span);
result.span(span);
result
}
@ -789,7 +786,7 @@ impl DiagCtxt {
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_> {
let mut result = self.struct_err(msg);
result.set_span(span);
result.span(span);
result
}
@ -812,7 +809,7 @@ impl DiagCtxt {
#[rustc_lint_diagnostics]
#[track_caller]
pub fn struct_err(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_> {
DiagnosticBuilder::new(self, Error { lint: false }, msg)
DiagnosticBuilder::new(self, Error, msg)
}
/// Construct a builder at the `Error` level with the `msg` and the `code`.
@ -850,7 +847,7 @@ impl DiagCtxt {
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, FatalAbort> {
let mut result = self.struct_fatal(msg);
result.set_span(span);
result.span(span);
result
}
@ -878,16 +875,6 @@ impl DiagCtxt {
DiagnosticBuilder::new(self, Fatal, msg)
}
/// Construct a builder at the `Fatal` level with the `msg`, that doesn't abort.
#[rustc_lint_diagnostics]
#[track_caller]
pub fn struct_almost_fatal(
&self,
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, FatalError> {
DiagnosticBuilder::new(self, Fatal, msg)
}
/// Construct a builder at the `Help` level with the `msg`.
#[rustc_lint_diagnostics]
pub fn struct_help(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_, ()> {
@ -917,7 +904,7 @@ impl DiagCtxt {
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, BugAbort> {
let mut result = self.struct_bug(msg);
result.set_span(span);
result.span(span);
result
}
@ -1004,11 +991,10 @@ impl DiagCtxt {
) -> ErrorGuaranteed {
let treat_next_err_as_bug = self.inner.borrow().treat_next_err_as_bug();
if treat_next_err_as_bug {
// FIXME: don't abort here if report_delayed_bugs is off
self.span_bug(sp, msg);
}
let mut diagnostic = Diagnostic::new(DelayedBug, msg);
diagnostic.set_span(sp);
diagnostic.span(sp);
self.emit_diagnostic(diagnostic).unwrap()
}
@ -1016,11 +1002,7 @@ impl DiagCtxt {
// 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();
let mut diagnostic = Diagnostic::new(DelayedBug, msg);
if inner.flags.report_delayed_bugs {
inner.emit_diagnostic_without_consuming(&mut diagnostic);
}
let diagnostic = Diagnostic::new(DelayedBug, msg);
let backtrace = std::backtrace::Backtrace::capture();
inner.good_path_delayed_bugs.push(DelayedDiagnostic::with_backtrace(diagnostic, backtrace));
}
@ -1039,7 +1021,7 @@ impl DiagCtxt {
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, ()> {
let mut db = DiagnosticBuilder::new(self, Note, msg);
db.set_span(span);
db.span(span);
db
}
@ -1222,7 +1204,7 @@ impl DiagCtxt {
#[track_caller]
pub fn create_err<'a>(&'a self, err: impl IntoDiagnostic<'a>) -> DiagnosticBuilder<'a> {
err.into_diagnostic(self, Error { lint: false })
err.into_diagnostic(self, Error)
}
#[track_caller]
@ -1377,7 +1359,7 @@ impl DiagCtxtInner {
for diag in diags {
// Decrement the count tracking the stash; emitting will increment it.
if diag.is_error() {
if matches!(diag.level, Error { lint: true }) {
if diag.level == Error && diag.is_lint {
self.lint_err_count -= 1;
} else {
self.err_count -= 1;
@ -1408,7 +1390,7 @@ impl DiagCtxtInner {
&mut self,
diagnostic: &mut Diagnostic,
) -> Option<ErrorGuaranteed> {
if matches!(diagnostic.level, Error { .. } | Fatal) && self.treat_err_as_bug() {
if matches!(diagnostic.level, Error | Fatal) && self.treat_err_as_bug() {
diagnostic.level = Bug;
}
@ -1430,10 +1412,8 @@ impl DiagCtxtInner {
self.span_delayed_bugs
.push(DelayedDiagnostic::with_backtrace(diagnostic.clone(), backtrace));
if !self.flags.report_delayed_bugs {
#[allow(deprecated)]
return Some(ErrorGuaranteed::unchecked_claim_error_was_emitted());
}
#[allow(deprecated)]
return Some(ErrorGuaranteed::unchecked_claim_error_was_emitted());
}
if diagnostic.has_future_breakage() {
@ -1509,7 +1489,7 @@ impl DiagCtxtInner {
}
}
if diagnostic.is_error() {
if matches!(diagnostic.level, Error { lint: true }) {
if diagnostic.level == Error && diagnostic.is_lint {
self.bump_lint_err_count();
} else {
self.bump_err_count();
@ -1705,11 +1685,7 @@ pub enum Level {
/// most common case.
///
/// Its `EmissionGuarantee` is `ErrorGuaranteed`.
Error {
/// If this error comes from a lint, don't abort compilation even when abort_if_errors() is
/// called.
lint: bool,
},
Error,
/// A warning about the code being compiled. Does not prevent compilation from finishing.
///
@ -1768,7 +1744,7 @@ impl Level {
fn color(self) -> ColorSpec {
let mut spec = ColorSpec::new();
match self {
Bug | DelayedBug | Fatal | Error { .. } => {
Bug | DelayedBug | Fatal | Error => {
spec.set_fg(Some(Color::Red)).set_intense(true);
}
Warning(_) => {
@ -1789,7 +1765,7 @@ impl Level {
pub fn to_str(self) -> &'static str {
match self {
Bug | DelayedBug => "error: internal compiler error",
Fatal | Error { .. } => "error",
Fatal | Error => "error",
Warning(_) => "warning",
Note | OnceNote => "note",
Help | OnceHelp => "help",

2
compiler/rustc_expand/src/expand.rs
View File

@ -855,7 +855,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
}
Err(mut err) => {
if err.span.is_dummy() {
err.set_span(span);
err.span(span);
}
annotate_err_with_kind(&mut err, kind, span);
err.emit();

4
compiler/rustc_expand/src/proc_macro_server.rs
View File

@ -379,7 +379,7 @@ impl ToInternal<SmallVec<[tokenstream::TokenTree; 2]>>
impl ToInternal<rustc_errors::Level> for Level {
fn to_internal(self) -> rustc_errors::Level {
match self {
Level::Error => rustc_errors::Level::Error { lint: false },
Level::Error => rustc_errors::Level::Error,
Level::Warning => rustc_errors::Level::Warning(None),
Level::Note => rustc_errors::Level::Note,
Level::Help => rustc_errors::Level::Help,
@ -497,7 +497,7 @@ impl server::FreeFunctions for Rustc<'_, '_> {
fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>) {
let mut diag =
rustc_errors::Diagnostic::new(diagnostic.level.to_internal(), diagnostic.message);
diag.set_span(MultiSpan::from_spans(diagnostic.spans));
diag.span(MultiSpan::from_spans(diagnostic.spans));
for child in diagnostic.children {
diag.sub(child.level.to_internal(), child.message, MultiSpan::from_spans(child.spans));
}

4
compiler/rustc_expand/src/tests.rs
View File

@ -7,7 +7,7 @@ use rustc_span::source_map::{FilePathMapping, SourceMap};
use rustc_span::{BytePos, Span};
use rustc_data_structures::sync::Lrc;
use rustc_errors::emitter::EmitterWriter;
use rustc_errors::emitter::HumanEmitter;
use rustc_errors::{DiagCtxt, MultiSpan, PResult};
use termcolor::WriteColor;
@ -30,7 +30,7 @@ fn create_test_handler() -> (DiagCtxt, Lrc<SourceMap>, Arc<Mutex<Vec<u8>>>) {
vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE],
false,
);
let emitter = EmitterWriter::new(Box::new(Shared { data: output.clone() }), fallback_bundle)
let emitter = HumanEmitter::new(Box::new(Shared { data: output.clone() }), fallback_bundle)
.sm(Some(source_map.clone()))
.diagnostic_width(Some(140));
let dcx = DiagCtxt::with_emitter(Box::new(emitter));

2
compiler/rustc_hir_analysis/src/astconv/errors.rs
View File

@ -605,7 +605,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let violations =
object_safety_violations_for_assoc_item(tcx, trait_def_id, *assoc_item);
if !violations.is_empty() {
report_object_safety_error(tcx, *span, trait_def_id, &violations).emit();
report_object_safety_error(tcx, *span, None, trait_def_id, &violations).emit();
object_safety_violations = true;
}
}

2
compiler/rustc_hir_analysis/src/astconv/generics.rs
View File

@ -70,7 +70,7 @@ fn generic_arg_mismatch_err(
Res::Err => {
add_braces_suggestion(arg, &mut err);
return err
.set_primary_message("unresolved item provided when a constant was expected")
.primary_message("unresolved item provided when a constant was expected")
.emit();
}
Res::Def(DefKind::TyParam, src_def_id) => {

158
compiler/rustc_hir_analysis/src/astconv/lint.rs
View File

@ -1,7 +1,9 @@
use rustc_ast::TraitObjectSyntax;
use rustc_errors::{Diagnostic, StashKey};
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_lint_defs::{builtin::BARE_TRAIT_OBJECTS, Applicability};
use rustc_span::Span;
use rustc_trait_selection::traits::error_reporting::suggestions::NextTypeParamName;
use super::AstConv;
@ -32,32 +34,146 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
}
let of_trait_span = of_trait_ref.path.span;
// make sure that we are not calling unwrap to abort during the compilation
let Ok(impl_trait_name) = tcx.sess.source_map().span_to_snippet(self_ty.span) else {
return;
};
let Ok(of_trait_name) = tcx.sess.source_map().span_to_snippet(of_trait_span) else {
return;
};
// check if the trait has generics, to make a correct suggestion
let param_name = generics.params.next_type_param_name(None);
let add_generic_sugg = if let Some(span) = generics.span_for_param_suggestion() {
(span, format!(", {param_name}: {impl_trait_name}"))
} else {
(generics.span, format!("<{param_name}: {impl_trait_name}>"))
let Ok(impl_trait_name) = self.tcx().sess.source_map().span_to_snippet(self_ty.span)
else {
return;
};
let sugg = self.add_generic_param_suggestion(generics, self_ty.span, &impl_trait_name);
if sugg.is_empty() {
return;
};
diag.multipart_suggestion(
format!(
"alternatively use a blanket \
implementation to implement `{of_trait_name}` for \
"alternatively use a blanket implementation to implement `{of_trait_name}` for \
all types that also implement `{impl_trait_name}`"
),
vec![(self_ty.span, param_name), add_generic_sugg],
sugg,
Applicability::MaybeIncorrect,
);
}
}
fn add_generic_param_suggestion(
&self,
generics: &hir::Generics<'_>,
self_ty_span: Span,
impl_trait_name: &str,
) -> Vec<(Span, String)> {
// check if the trait has generics, to make a correct suggestion
let param_name = generics.params.next_type_param_name(None);
let add_generic_sugg = if let Some(span) = generics.span_for_param_suggestion() {
(span, format!(", {param_name}: {impl_trait_name}"))
} else {
(generics.span, format!("<{param_name}: {impl_trait_name}>"))
};
vec![(self_ty_span, param_name), add_generic_sugg]
}
/// Make sure that we are in the condition to suggest `impl Trait`.
fn maybe_lint_impl_trait(&self, self_ty: &hir::Ty<'_>, diag: &mut Diagnostic) -> bool {
let tcx = self.tcx();
let parent_id = tcx.hir().get_parent_item(self_ty.hir_id).def_id;
let (hir::Node::Item(hir::Item { kind: hir::ItemKind::Fn(sig, generics, _), .. })
| hir::Node::TraitItem(hir::TraitItem {
kind: hir::TraitItemKind::Fn(sig, _),
generics,
..
})) = tcx.hir_node_by_def_id(parent_id)
else {
return false;
};
let Ok(trait_name) = tcx.sess.source_map().span_to_snippet(self_ty.span) else {
return false;
};
let impl_sugg = vec![(self_ty.span.shrink_to_lo(), "impl ".to_string())];
let is_object_safe = match self_ty.kind {
hir::TyKind::TraitObject(objects, ..) => {
objects.iter().all(|o| match o.trait_ref.path.res {
Res::Def(DefKind::Trait, id) => tcx.check_is_object_safe(id),
_ => false,
})
}
_ => false,
};
if let hir::FnRetTy::Return(ty) = sig.decl.output
&& ty.hir_id == self_ty.hir_id
{
let pre = if !is_object_safe {
format!("`{trait_name}` is not object safe, ")
} else {
String::new()
};
let msg = format!(
"{pre}use `impl {trait_name}` to return an opaque type, as long as you return a \
single underlying type",
);
diag.multipart_suggestion_verbose(msg, impl_sugg, Applicability::MachineApplicable);
if is_object_safe {
diag.multipart_suggestion_verbose(
"alternatively, you can return an owned trait object",
vec![
(ty.span.shrink_to_lo(), "Box<dyn ".to_string()),
(ty.span.shrink_to_hi(), ">".to_string()),
],
Applicability::MachineApplicable,
);
} else {
// We'll emit the object safety error already, with a structured suggestion.
diag.downgrade_to_delayed_bug();
}
return true;
}
for ty in sig.decl.inputs {
if ty.hir_id != self_ty.hir_id {
continue;
}
let sugg = self.add_generic_param_suggestion(generics, self_ty.span, &trait_name);
if !sugg.is_empty() {
diag.multipart_suggestion_verbose(
format!("use a new generic type parameter, constrained by `{trait_name}`"),
sugg,
Applicability::MachineApplicable,
);
diag.multipart_suggestion_verbose(
"you can also use an opaque type, but users won't be able to specify the type \
parameter when calling the `fn`, having to rely exclusively on type inference",
impl_sugg,
Applicability::MachineApplicable,
);
}
if !is_object_safe {
diag.note(format!("`{trait_name}` it is not object safe, so it can't be `dyn`"));
// We'll emit the object safety error already, with a structured suggestion.
diag.downgrade_to_delayed_bug();
} else {
let sugg = if let hir::TyKind::TraitObject([_, _, ..], _, _) = self_ty.kind {
// There are more than one trait bound, we need surrounding parentheses.
vec![
(self_ty.span.shrink_to_lo(), "&(dyn ".to_string()),
(self_ty.span.shrink_to_hi(), ")".to_string()),
]
} else {
vec![(self_ty.span.shrink_to_lo(), "&dyn ".to_string())]
};
diag.multipart_suggestion_verbose(
format!(
"alternatively, use a trait object to accept any type that implements \
`{trait_name}`, accessing its methods at runtime using dynamic dispatch",
),
sugg,
Applicability::MachineApplicable,
);
}
return true;
}
false
}
pub(super) fn maybe_lint_bare_trait(&self, self_ty: &hir::Ty<'_>, in_path: bool) {
let tcx = self.tcx();
if let hir::TyKind::TraitObject([poly_trait_ref, ..], _, TraitObjectSyntax::None) =
@ -98,7 +214,9 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let label = "add `dyn` keyword before this trait";
let mut diag =
rustc_errors::struct_span_err!(tcx.dcx(), self_ty.span, E0782, "{}", msg);
if self_ty.span.can_be_used_for_suggestions() {
if self_ty.span.can_be_used_for_suggestions()
&& !self.maybe_lint_impl_trait(self_ty, &mut diag)
{
diag.multipart_suggestion_verbose(
label,
sugg,
@ -116,11 +234,15 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
self_ty.span,
msg,
|lint| {
lint.multipart_suggestion_verbose(
"use `dyn`",
sugg,
Applicability::MachineApplicable,
);
if self_ty.span.can_be_used_for_suggestions()
&& !self.maybe_lint_impl_trait(self_ty, lint)
{
lint.multipart_suggestion_verbose(
"use `dyn`",
sugg,
Applicability::MachineApplicable,
);
}
self.maybe_lint_blanket_trait_impl(self_ty, lint);
},
);

1
compiler/rustc_hir_analysis/src/astconv/object_safety.rs
View File

@ -140,6 +140,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
let reported = report_object_safety_error(
tcx,
span,
Some(hir_id),
item.trait_ref().def_id(),
&object_safety_violations,
)

6
compiler/rustc_hir_analysis/src/errors.rs
View File

@ -319,10 +319,10 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for MissingTypeParams {
#[track_caller]
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
let mut err = DiagnosticBuilder::new(dcx, level, fluent::hir_analysis_missing_type_params);
err.set_span(self.span);
err.span(self.span);
err.code(error_code!(E0393));
err.set_arg("parameterCount", self.missing_type_params.len());
err.set_arg(
err.arg("parameterCount", self.missing_type_params.len());
err.arg(
"parameters",
self.missing_type_params
.iter()

7
compiler/rustc_hir_typeck/src/check.rs
View File

@ -73,7 +73,8 @@ pub(super) fn check_fn<'a, 'tcx>(
let inputs_fn = fn_sig.inputs().iter().copied();
for (idx, (param_ty, param)) in inputs_fn.chain(maybe_va_list).zip(body.params).enumerate() {
// Check the pattern.
let ty_span = try { inputs_hir?.get(idx)?.span };
let ty: Option<&hir::Ty<'_>> = try { inputs_hir?.get(idx)? };
let ty_span = ty.map(|ty| ty.span);
fcx.check_pat_top(param.pat, param_ty, ty_span, None, None);
// Check that argument is Sized.
@ -81,14 +82,14 @@ pub(super) fn check_fn<'a, 'tcx>(
fcx.require_type_is_sized(
param_ty,
param.pat.span,
// ty_span == binding_span iff this is a closure parameter with no type ascription,
// ty.span == binding_span iff this is a closure parameter with no type ascription,
// or if it's an implicit `self` parameter
traits::SizedArgumentType(
if ty_span == Some(param.span) && tcx.is_closure_or_coroutine(fn_def_id.into())
{
None
} else {
ty_span
ty.map(|ty| ty.hir_id)
},
),
);

2
compiler/rustc_hir_typeck/src/errors.rs
View File

@ -215,7 +215,7 @@ impl AddToDiagnostic for TypeMismatchFruTypo {
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.set_arg("expr", self.expr.as_deref().unwrap_or("NONE"));
diag.arg("expr", self.expr.as_deref().unwrap_or("NONE"));
// Only explain that `a ..b` is a range if it's split up
if self.expr_span.between(self.fru_span).is_empty() {

9
compiler/rustc_hir_typeck/src/gather_locals.rs
View File

@ -60,7 +60,7 @@ pub(super) struct GatherLocalsVisitor<'a, 'tcx> {
// parameters are special cases of patterns, but we want to handle them as
// *distinct* cases. so track when we are hitting a pattern *within* an fn
// parameter.
outermost_fn_param_pat: Option<Span>,
outermost_fn_param_pat: Option<(Span, hir::HirId)>,
}
impl<'a, 'tcx> GatherLocalsVisitor<'a, 'tcx> {
@ -131,7 +131,8 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
}
fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {
let old_outermost_fn_param_pat = self.outermost_fn_param_pat.replace(param.ty_span);
let old_outermost_fn_param_pat =
self.outermost_fn_param_pat.replace((param.ty_span, param.hir_id));
intravisit::walk_param(self, param);
self.outermost_fn_param_pat = old_outermost_fn_param_pat;
}
@ -141,7 +142,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
if let PatKind::Binding(_, _, ident, _) = p.kind {
let var_ty = self.assign(p.span, p.hir_id, None);
if let Some(ty_span) = self.outermost_fn_param_pat {
if let Some((ty_span, hir_id)) = self.outermost_fn_param_pat {
if !self.fcx.tcx.features().unsized_fn_params {
self.fcx.require_type_is_sized(
var_ty,
@ -154,7 +155,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherLocalsVisitor<'a, 'tcx> {
{
None
} else {
Some(ty_span)
Some(hir_id)
},
),
);

2
compiler/rustc_hir_typeck/src/method/suggest.rs
View File

@ -961,7 +961,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
but its trait bounds were not satisfied"
)
});
err.set_primary_message(primary_message);
err.primary_message(primary_message);
if let Some(label) = label {
custom_span_label = true;
err.span_label(span, label);

34
compiler/rustc_infer/src/errors/mod.rs
View File

@ -247,8 +247,8 @@ impl AddToDiagnostic for RegionOriginNote<'_> {
}
RegionOriginNote::WithName { span, msg, name, continues } => {
label_or_note(span, msg);
diag.set_arg("name", name);
diag.set_arg("continues", continues);
diag.arg("name", name);
diag.arg("continues", continues);
}
RegionOriginNote::WithRequirement {
span,
@ -256,7 +256,7 @@ impl AddToDiagnostic for RegionOriginNote<'_> {
expected_found: Some((expected, found)),
} => {
label_or_note(span, fluent::infer_subtype);
diag.set_arg("requirement", requirement);
diag.arg("requirement", requirement);
diag.note_expected_found(&"", expected, &"", found);
}
@ -265,7 +265,7 @@ impl AddToDiagnostic for RegionOriginNote<'_> {
// handling of region checking when type errors are present is
// *terrible*.
label_or_note(span, fluent::infer_subtype_2);
diag.set_arg("requirement", requirement);
diag.arg("requirement", requirement);
}
};
}
@ -298,8 +298,8 @@ impl AddToDiagnostic for LifetimeMismatchLabels {
diag.span_label(param_span, fluent::infer_declared_different);
diag.span_label(ret_span, fluent::infer_nothing);
diag.span_label(span, fluent::infer_data_returned);
diag.set_arg("label_var1_exists", label_var1.is_some());
diag.set_arg("label_var1", label_var1.map(|x| x.to_string()).unwrap_or_default());
diag.arg("label_var1_exists", label_var1.is_some());
diag.arg("label_var1", label_var1.map(|x| x.to_string()).unwrap_or_default());
}
LifetimeMismatchLabels::Normal {
hir_equal,
@ -317,16 +317,10 @@ impl AddToDiagnostic for LifetimeMismatchLabels {
diag.span_label(ty_sup, fluent::infer_types_declared_different);
diag.span_label(ty_sub, fluent::infer_nothing);
diag.span_label(span, fluent::infer_data_flows);
diag.set_arg("label_var1_exists", label_var1.is_some());
diag.set_arg(
"label_var1",
label_var1.map(|x| x.to_string()).unwrap_or_default(),
);
diag.set_arg("label_var2_exists", label_var2.is_some());
diag.set_arg(
"label_var2",
label_var2.map(|x| x.to_string()).unwrap_or_default(),
);
diag.arg("label_var1_exists", label_var1.is_some());
diag.arg("label_var1", label_var1.map(|x| x.to_string()).unwrap_or_default());
diag.arg("label_var2_exists", label_var2.is_some());
diag.arg("label_var2", label_var2.map(|x| x.to_string()).unwrap_or_default());
}
}
}
@ -417,7 +411,7 @@ impl AddToDiagnostic for AddLifetimeParamsSuggestion<'_> {
suggestions,
Applicability::MaybeIncorrect,
);
diag.set_arg("is_impl", is_impl);
diag.arg("is_impl", is_impl);
true
};
if mk_suggestion() && self.add_note {
@ -878,8 +872,8 @@ impl AddToDiagnostic for MoreTargeted {
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.code(rustc_errors::error_code!(E0772));
diag.set_primary_message(fluent::infer_more_targeted);
diag.set_arg("ident", self.ident);
diag.primary_message(fluent::infer_more_targeted);
diag.arg("ident", self.ident);
}
}
@ -1299,7 +1293,7 @@ impl AddToDiagnostic for SuggestTuplePatternMany {
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.set_arg("path", self.path);
diag.arg("path", self.path);
let message = f(diag, crate::fluent_generated::infer_stp_wrap_many.into());
diag.multipart_suggestions(
message,

8
compiler/rustc_infer/src/errors/note_and_explain.rs
View File

@ -164,10 +164,10 @@ impl AddToDiagnostic for RegionExplanation<'_> {
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.set_arg("pref_kind", self.prefix);
diag.set_arg("suff_kind", self.suffix);
diag.set_arg("desc_kind", self.desc.kind);
diag.set_arg("desc_arg", self.desc.arg);
diag.arg("pref_kind", self.prefix);
diag.arg("suff_kind", self.suffix);
diag.arg("desc_kind", self.desc.kind);
diag.arg("desc_arg", self.desc.arg);
let msg = f(diag, fluent::infer_region_explanation.into());
if let Some(span) = self.desc.span {

22
compiler/rustc_infer/src/traits/error_reporting/mod.rs
View File

@ -2,9 +2,10 @@ use super::ObjectSafetyViolation;
use crate::infer::InferCtxt;
use rustc_data_structures::fx::FxIndexSet;
use rustc_errors::{struct_span_err, DiagnosticBuilder, MultiSpan};
use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, MultiSpan};
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LocalDefId};
use rustc_hir::intravisit::Map;
use rustc_middle::ty::print::with_no_trimmed_paths;
use rustc_middle::ty::{self, TyCtxt};
use rustc_span::Span;
@ -42,6 +43,7 @@ impl<'tcx> InferCtxt<'tcx> {
pub fn report_object_safety_error<'tcx>(
tcx: TyCtxt<'tcx>,
span: Span,
hir_id: Option<hir::HirId>,
trait_def_id: DefId,
violations: &[ObjectSafetyViolation],
) -> DiagnosticBuilder<'tcx> {
@ -59,6 +61,24 @@ pub fn report_object_safety_error<'tcx>(
);
err.span_label(span, format!("`{trait_str}` cannot be made into an object"));
if let Some(hir_id) = hir_id
&& let Some(hir::Node::Ty(ty)) = tcx.hir().find(hir_id)
&& let hir::TyKind::TraitObject([trait_ref, ..], ..) = ty.kind
{
let mut hir_id = hir_id;
while let hir::Node::Ty(ty) = tcx.hir().get_parent(hir_id) {
hir_id = ty.hir_id;
}
if tcx.hir().get_parent(hir_id).fn_sig().is_some() {
// Do not suggest `impl Trait` when dealing with things like super-traits.
err.span_suggestion_verbose(
ty.span.until(trait_ref.span),
"consider using an opaque type instead",
"impl ",
Applicability::MaybeIncorrect,
);
}
}
let mut reported_violations = FxIndexSet::default();
let mut multi_span = vec![];
let mut messages = vec![];

6
compiler/rustc_interface/src/tests.rs
View File

@ -6,8 +6,8 @@ use rustc_session::config::{
build_configuration, build_session_options, rustc_optgroups, BranchProtection, CFGuard, Cfg,
DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation, Externs,
FunctionReturn, InliningThreshold, Input, InstrumentCoverage, InstrumentXRay,
LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli, MirSpanview, NextSolverConfig,
OomStrategy, Options, OutFileName, OutputType, OutputTypes, PAuthKey, PacRet, Passes, Polonius,
LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli, NextSolverConfig, OomStrategy,
Options, OutFileName, OutputType, OutputTypes, PAuthKey, PacRet, Passes, Polonius,
ProcMacroExecutionStrategy, Strip, SwitchWithOptPath, SymbolManglingVersion, WasiExecModel,
};
use rustc_session::lint::Level;
@ -666,7 +666,6 @@ fn test_unstable_options_tracking_hash() {
untracked!(dump_mir_dir, String::from("abc"));
untracked!(dump_mir_exclude_pass_number, true);
untracked!(dump_mir_graphviz, true);
untracked!(dump_mir_spanview, Some(MirSpanview::Statement));
untracked!(dump_mono_stats, SwitchWithOptPath::Enabled(Some("mono-items-dir/".into())));
untracked!(dump_mono_stats_format, DumpMonoStatsFormat::Json);
untracked!(dylib_lto, true);
@ -806,7 +805,6 @@ fn test_unstable_options_tracking_hash() {
tracked!(relax_elf_relocations, Some(true));
tracked!(relro_level, Some(RelroLevel::Full));
tracked!(remap_cwd_prefix, Some(PathBuf::from("abc")));
tracked!(report_delayed_bugs, true);
tracked!(sanitizer, SanitizerSet::ADDRESS);
tracked!(sanitizer_cfi_canonical_jump_tables, None);
tracked!(sanitizer_cfi_generalize_pointers, Some(true));

2
compiler/rustc_lint/src/errors.rs
View File

@ -31,7 +31,7 @@ impl AddToDiagnostic for OverruledAttributeSub {
match self {
OverruledAttributeSub::DefaultSource { id } => {
diag.note(fluent::lint_default_source);
diag.set_arg("id", id);
diag.arg("id", id);
}
OverruledAttributeSub::NodeSource { span, reason } => {
diag.span_label(span, fluent::lint_node_source);

2
compiler/rustc_lint/src/levels.rs
View File

@ -1069,7 +1069,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
Some(span.into()),
fluent::lint_unknown_gated_lint,
|lint| {
lint.set_arg("name", lint_id.lint.name_lower());
lint.arg("name", lint_id.lint.name_lower());
lint.note(fluent::lint_note);
rustc_session::parse::add_feature_diagnostics_for_issue(
lint,

123
compiler/rustc_lint/src/lints.rs
View File

@ -5,8 +5,8 @@ use std::num::NonZeroU32;
use crate::errors::RequestedLevel;
use crate::fluent_generated as fluent;
use rustc_errors::{
AddToDiagnostic, Applicability, DecorateLint, DiagnosticMessage, DiagnosticStyledString,
SuggestionStyle,
AddToDiagnostic, Applicability, DecorateLint, Diagnostic, DiagnosticBuilder, DiagnosticMessage,
DiagnosticStyledString, SubdiagnosticMessage, SuggestionStyle,
};
use rustc_hir::def_id::DefId;
use rustc_macros::{LintDiagnostic, Subdiagnostic};
@ -135,7 +135,7 @@ pub struct BuiltinMissingDebugImpl<'a> {
// Needed for def_path_str
impl<'a> DecorateLint<'a, ()> for BuiltinMissingDebugImpl<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("debug", self.tcx.def_path_str(self.def_id));
diag.arg("debug", self.tcx.def_path_str(self.def_id));
}
fn msg(&self) -> DiagnosticMessage {
@ -239,7 +239,7 @@ pub struct BuiltinUngatedAsyncFnTrackCaller<'a> {
}
impl<'a> DecorateLint<'a, ()> for BuiltinUngatedAsyncFnTrackCaller<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.span_label(self.label, fluent::lint_label);
rustc_session::parse::add_feature_diagnostics(
diag,
@ -268,12 +268,9 @@ pub struct SuggestChangingAssocTypes<'a, 'b> {
}
impl AddToDiagnostic for SuggestChangingAssocTypes<'_, '_> {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
// Access to associates types should use `<T as Bound>::Assoc`, which does not need a
// bound. Let's see if this type does that.
@ -281,7 +278,7 @@ impl AddToDiagnostic for SuggestChangingAssocTypes<'_, '_> {
// We use a HIR visitor to walk the type.
use rustc_hir::intravisit::{self, Visitor};
struct WalkAssocTypes<'a> {
err: &'a mut rustc_errors::Diagnostic,
err: &'a mut Diagnostic,
}
impl Visitor<'_> for WalkAssocTypes<'_> {
fn visit_qpath(
@ -326,12 +323,9 @@ pub struct BuiltinTypeAliasGenericBoundsSuggestion {
}
impl AddToDiagnostic for BuiltinTypeAliasGenericBoundsSuggestion {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.multipart_suggestion(
fluent::lint_suggestion,
@ -425,8 +419,8 @@ pub struct BuiltinUnpermittedTypeInit<'a> {
}
impl<'a> DecorateLint<'a, ()> for BuiltinUnpermittedTypeInit<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("ty", self.ty);
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("ty", self.ty);
diag.span_label(self.label, fluent::lint_builtin_unpermitted_type_init_label);
if let InhabitedPredicate::True = self.ty.inhabited_predicate(self.tcx) {
// Only suggest late `MaybeUninit::assume_init` initialization if the type is inhabited.
@ -438,7 +432,7 @@ impl<'a> DecorateLint<'a, ()> for BuiltinUnpermittedTypeInit<'_> {
self.sub.add_to_diagnostic(diag);
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
self.msg.clone()
}
}
@ -449,12 +443,9 @@ pub struct BuiltinUnpermittedTypeInitSub {
}
impl AddToDiagnostic for BuiltinUnpermittedTypeInitSub {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
let mut err = self.err;
loop {
@ -506,12 +497,9 @@ pub struct BuiltinClashingExternSub<'a> {
}
impl AddToDiagnostic for BuiltinClashingExternSub<'_> {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
let mut expected_str = DiagnosticStyledString::new();
expected_str.push(self.expected.fn_sig(self.tcx).to_string(), false);
@ -779,12 +767,9 @@ pub struct HiddenUnicodeCodepointsDiagLabels {
}
impl AddToDiagnostic for HiddenUnicodeCodepointsDiagLabels {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
for (c, span) in self.spans {
diag.span_label(span, format!("{c:?}"));
@ -799,12 +784,9 @@ pub enum HiddenUnicodeCodepointsDiagSub {
// Used because of multiple multipart_suggestion and note
impl AddToDiagnostic for HiddenUnicodeCodepointsDiagSub {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
match self {
HiddenUnicodeCodepointsDiagSub::Escape { spans } => {
@ -830,7 +812,7 @@ impl AddToDiagnostic for HiddenUnicodeCodepointsDiagSub {
// FIXME: in other suggestions we've reversed the inner spans of doc comments. We
// should do the same here to provide the same good suggestions as we do for
// literals above.
diag.set_arg(
diag.arg(
"escaped",
spans
.into_iter()
@ -953,12 +935,9 @@ pub struct NonBindingLetSub {
}
impl AddToDiagnostic for NonBindingLetSub {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.span_suggestion_verbose(
self.suggestion,
@ -1147,8 +1126,8 @@ pub struct NonFmtPanicUnused {
// Used because of two suggestions based on one Option<Span>
impl<'a> DecorateLint<'a, ()> for NonFmtPanicUnused {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("count", self.count);
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("count", self.count);
diag.note(fluent::lint_note);
if let Some(span) = self.suggestion {
diag.span_suggestion(
@ -1166,7 +1145,7 @@ impl<'a> DecorateLint<'a, ()> for NonFmtPanicUnused {
}
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_non_fmt_panic_unused
}
}
@ -1224,12 +1203,9 @@ pub enum NonSnakeCaseDiagSub {
}
impl AddToDiagnostic for NonSnakeCaseDiagSub {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
match self {
NonSnakeCaseDiagSub::Label { span } => {
@ -1342,12 +1318,12 @@ pub struct DropTraitConstraintsDiag<'a> {
// Needed for def_path_str
impl<'a> DecorateLint<'a, ()> for DropTraitConstraintsDiag<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("predicate", self.predicate);
diag.set_arg("needs_drop", self.tcx.def_path_str(self.def_id));
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("predicate", self.predicate);
diag.arg("needs_drop", self.tcx.def_path_str(self.def_id));
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_drop_trait_constraints
}
}
@ -1359,11 +1335,11 @@ pub struct DropGlue<'a> {
// Needed for def_path_str
impl<'a> DecorateLint<'a, ()> for DropGlue<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("needs_drop", self.tcx.def_path_str(self.def_id));
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("needs_drop", self.tcx.def_path_str(self.def_id));
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_drop_glue
}
}
@ -1423,12 +1399,9 @@ pub enum OverflowingBinHexSign {
}
impl AddToDiagnostic for OverflowingBinHexSign {
fn add_to_diagnostic_with<F>(self, diag: &mut rustc_errors::Diagnostic, _: F)
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(
&mut rustc_errors::Diagnostic,
rustc_errors::SubdiagnosticMessage,
) -> rustc_errors::SubdiagnosticMessage,
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
match self {
OverflowingBinHexSign::Positive => {
@ -1633,9 +1606,9 @@ pub struct ImproperCTypes<'a> {
// Used because of the complexity of Option<DiagnosticMessage>, DiagnosticMessage, and Option<Span>
impl<'a> DecorateLint<'a, ()> for ImproperCTypes<'_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("ty", self.ty);
diag.set_arg("desc", self.desc);
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("ty", self.ty);
diag.arg("desc", self.desc);
diag.span_label(self.label, fluent::lint_label);
if let Some(help) = self.help {
diag.help(help);
@ -1646,7 +1619,7 @@ impl<'a> DecorateLint<'a, ()> for ImproperCTypes<'_> {
}
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_improper_ctypes
}
}
@ -1776,10 +1749,10 @@ pub enum UnusedDefSuggestion {
// Needed because of def_path_str
impl<'a> DecorateLint<'a, ()> for UnusedDef<'_, '_> {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
diag.set_arg("pre", self.pre);
diag.set_arg("post", self.post);
diag.set_arg("def", self.cx.tcx.def_path_str(self.def_id));
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.arg("pre", self.pre);
diag.arg("post", self.post);
diag.arg("def", self.cx.tcx.def_path_str(self.def_id));
// check for #[must_use = "..."]
if let Some(note) = self.note {
diag.note(note.to_string());
@ -1789,7 +1762,7 @@ impl<'a> DecorateLint<'a, ()> for UnusedDef<'_, '_> {
}
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_unused_def
}
}
@ -1859,14 +1832,14 @@ pub struct AsyncFnInTraitDiag {
}
impl<'a> DecorateLint<'a, ()> for AsyncFnInTraitDiag {
fn decorate_lint<'b>(self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>) {
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
diag.note(fluent::lint_note);
if let Some(sugg) = self.sugg {
diag.multipart_suggestion(fluent::lint_suggestion, sugg, Applicability::MaybeIncorrect);
}
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {
fn msg(&self) -> DiagnosticMessage {
fluent::lint_async_fn_in_trait
}
}

6
compiler/rustc_lint/src/non_fmt_panic.rs
View File

@ -121,7 +121,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc
#[allow(rustc::diagnostic_outside_of_impl)]
cx.struct_span_lint(NON_FMT_PANICS, arg_span, fluent::lint_non_fmt_panic, |lint| {
lint.set_arg("name", symbol);
lint.arg("name", symbol);
lint.note(fluent::lint_note);
lint.note(fluent::lint_more_info_note);
if !is_arg_inside_call(arg_span, span) {
@ -180,7 +180,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc
fmt_applicability,
);
} else if suggest_debug {
lint.set_arg("ty", ty);
lint.arg("ty", ty);
lint.span_suggestion_verbose(
arg_span.shrink_to_lo(),
fluent::lint_debug_suggestion,
@ -191,7 +191,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc
if suggest_panic_any {
if let Some((open, close, del)) = find_delimiters(cx, span) {
lint.set_arg("already_suggested", suggest_display || suggest_debug);
lint.arg("already_suggested", suggest_display || suggest_debug);
lint.multipart_suggestion(
fluent::lint_panic_suggestion,
if del == '(' {

18
compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs
View File

@ -5,8 +5,8 @@ use crate::diagnostics::error::{
};
use crate::diagnostics::utils::{
build_field_mapping, is_doc_comment, report_error_if_not_applied_to_span, report_type_error,
should_generate_set_arg, type_is_bool, type_is_unit, type_matches_path, FieldInfo,
FieldInnerTy, FieldMap, HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind,
should_generate_arg, type_is_bool, type_is_unit, type_matches_path, FieldInfo, FieldInnerTy,
FieldMap, HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind,
};
use proc_macro2::{Ident, Span, TokenStream};
use quote::{format_ident, quote, quote_spanned};
@ -125,15 +125,15 @@ impl DiagnosticDeriveVariantBuilder {
}
/// Generates calls to `span_label` and similar functions based on the attributes on fields or
/// calls to `set_arg` when no attributes are present.
/// calls to `arg` when no attributes are present.
pub(crate) fn body(&mut self, variant: &VariantInfo<'_>) -> TokenStream {
let mut body = quote! {};
// Generate `set_arg` calls first..
for binding in variant.bindings().iter().filter(|bi| should_generate_set_arg(bi.ast())) {
// Generate `arg` calls first..
for binding in variant.bindings().iter().filter(|bi| should_generate_arg(bi.ast())) {
body.extend(self.generate_field_code(binding));
}
// ..and then subdiagnostic additions.
for binding in variant.bindings().iter().filter(|bi| !should_generate_set_arg(bi.ast())) {
for binding in variant.bindings().iter().filter(|bi| !should_generate_arg(bi.ast())) {
body.extend(self.generate_field_attrs_code(binding));
}
body
@ -253,7 +253,7 @@ impl DiagnosticDeriveVariantBuilder {
let ident = format_ident!("{}", ident); // strip `r#` prefix, if present
quote! {
diag.set_arg(
diag.arg(
stringify!(#ident),
#field_binding
);
@ -312,7 +312,7 @@ impl DiagnosticDeriveVariantBuilder {
let name = ident.to_string();
match (&attr.meta, name.as_str()) {
// Don't need to do anything - by virtue of the attribute existing, the
// `set_arg` call will not be generated.
// `arg` call will not be generated.
(Meta::Path(_), "skip_arg") => return Ok(quote! {}),
(Meta::Path(_), "primary_span") => {
match self.kind {
@ -320,7 +320,7 @@ impl DiagnosticDeriveVariantBuilder {
report_error_if_not_applied_to_span(attr, &info)?;
return Ok(quote! {
diag.set_span(#binding);
diag.span(#binding);
});
}
DiagnosticDeriveKind::LintDiagnostic => {

14
compiler/rustc_macros/src/diagnostics/subdiagnostic.rs
View File

@ -6,8 +6,8 @@ use crate::diagnostics::error::{
use crate::diagnostics::utils::{
build_field_mapping, build_suggestion_code, is_doc_comment, new_code_ident,
report_error_if_not_applied_to_applicability, report_error_if_not_applied_to_span,
should_generate_set_arg, AllowMultipleAlternatives, FieldInfo, FieldInnerTy, FieldMap,
HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind,
should_generate_arg, AllowMultipleAlternatives, FieldInfo, FieldInnerTy, FieldMap, HasFieldMap,
SetOnce, SpannedOption, SubdiagnosticKind,
};
use proc_macro2::TokenStream;
use quote::{format_ident, quote};
@ -214,7 +214,7 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> {
}
/// Generates the code for a field with no attributes.
fn generate_field_set_arg(&mut self, binding_info: &BindingInfo<'_>) -> TokenStream {
fn generate_field_arg(&mut self, binding_info: &BindingInfo<'_>) -> TokenStream {
let diag = &self.parent.diag;
let field = binding_info.ast();
@ -225,7 +225,7 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> {
let ident = format_ident!("{}", ident); // strip `r#` prefix, if present
quote! {
#diag.set_arg(
#diag.arg(
stringify!(#ident),
#field_binding
);
@ -505,7 +505,7 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> {
.variant
.bindings()
.iter()
.filter(|binding| !should_generate_set_arg(binding.ast()))
.filter(|binding| !should_generate_arg(binding.ast()))
.map(|binding| self.generate_field_attr_code(binding, kind_stats))
.collect();
@ -593,8 +593,8 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> {
.variant
.bindings()
.iter()
.filter(|binding| should_generate_set_arg(binding.ast()))
.map(|binding| self.generate_field_set_arg(binding))
.filter(|binding| should_generate_arg(binding.ast()))
.map(|binding| self.generate_field_arg(binding))
.collect();
let formatting_init = &self.formatting_init;

6
compiler/rustc_macros/src/diagnostics/utils.rs
View File

@ -584,7 +584,7 @@ pub(super) enum SubdiagnosticKind {
suggestion_kind: SuggestionKind,
applicability: SpannedOption<Applicability>,
/// Identifier for variable used for formatted code, e.g. `___code_0`. Enables separation
/// of formatting and diagnostic emission so that `set_arg` calls can happen in-between..
/// of formatting and diagnostic emission so that `arg` calls can happen in-between..
code_field: syn::Ident,
/// Initialization logic for `code_field`'s variable, e.g.
/// `let __formatted_code = /* whatever */;`
@ -863,9 +863,9 @@ impl quote::IdentFragment for SubdiagnosticKind {
}
}
/// Returns `true` if `field` should generate a `set_arg` call rather than any other diagnostic
/// Returns `true` if `field` should generate a `arg` call rather than any other diagnostic
/// call (like `span_label`).
pub(super) fn should_generate_set_arg(field: &Field) -> bool {
pub(super) fn should_generate_arg(field: &Field) -> bool {
// Perhaps this should be an exhaustive list...
field.attrs.iter().all(|attr| is_doc_comment(attr))
}

22
compiler/rustc_metadata/src/errors.rs
View File

@ -500,10 +500,10 @@ pub(crate) struct MultipleCandidates {
impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for MultipleCandidates {
fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::metadata_multiple_candidates);
diag.set_arg("crate_name", self.crate_name);
diag.set_arg("flavor", self.flavor);
diag.arg("crate_name", self.crate_name);
diag.arg("flavor", self.flavor);
diag.code(error_code!(E0464));
diag.set_span(self.span);
diag.span(self.span);
for (i, candidate) in self.candidates.iter().enumerate() {
diag.note(format!("candidate #{}: {}", i + 1, candidate.display()));
}
@ -596,10 +596,10 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for InvalidMetadataFiles {
#[track_caller]
fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::metadata_invalid_meta_files);
diag.set_arg("crate_name", self.crate_name);
diag.set_arg("add_info", self.add_info);
diag.arg("crate_name", self.crate_name);
diag.arg("add_info", self.add_info);
diag.code(error_code!(E0786));
diag.set_span(self.span);
diag.span(self.span);
for crate_rejection in self.crate_rejections {
diag.note(crate_rejection);
}
@ -623,12 +623,12 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for CannotFindCrate {
#[track_caller]
fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::metadata_cannot_find_crate);
diag.set_arg("crate_name", self.crate_name);
diag.set_arg("current_crate", self.current_crate);
diag.set_arg("add_info", self.add_info);
diag.set_arg("locator_triple", self.locator_triple.triple());
diag.arg("crate_name", self.crate_name);
diag.arg("current_crate", self.current_crate);
diag.arg("add_info", self.add_info);
diag.arg("locator_triple", self.locator_triple.triple());
diag.code(error_code!(E0463));
diag.set_span(self.span);
diag.span(self.span);
if (self.crate_name == sym::std || self.crate_name == sym::core)
&& self.locator_triple != TargetTriple::from_triple(config::host_triple())
{

8
compiler/rustc_middle/src/lint.rs
View File

@ -314,14 +314,14 @@ pub fn struct_lint_level(
}
Level::ForceWarn(Some(expect_id)) => rustc_errors::Level::Warning(Some(expect_id)),
Level::Warn | Level::ForceWarn(None) => rustc_errors::Level::Warning(None),
Level::Deny | Level::Forbid => rustc_errors::Level::Error { lint: true },
Level::Deny | Level::Forbid => rustc_errors::Level::Error,
};
let mut err = DiagnosticBuilder::new(sess.dcx(), err_level, "");
if let Some(span) = span {
err.set_span(span);
err.span(span);
}
err.set_is_lint();
err.is_lint();
// If this code originates in a foreign macro, aka something that this crate
// did not itself author, then it's likely that there's nothing this crate
@ -348,7 +348,7 @@ pub fn struct_lint_level(
// Delay evaluating and setting the primary message until after we've
// suppressed the lint due to macros.
err.set_primary_message(msg);
err.primary_message(msg);
// Lint diagnostics that are covered by the expect level will not be emitted outside
// the compiler. It is therefore not necessary to add any information for the user.

10
compiler/rustc_middle/src/mir/interpret/error.rs
View File

@ -2,14 +2,10 @@ use super::{AllocId, AllocRange, Pointer, Scalar};
use crate::error;
use crate::mir::{ConstAlloc, ConstValue};
use crate::query::TyCtxtAt;
use crate::ty::{layout, tls, Ty, TyCtxt, ValTree};
use rustc_data_structures::sync::Lock;
use rustc_errors::{
struct_span_err, DiagnosticArgValue, DiagnosticBuilder, DiagnosticMessage, ErrorGuaranteed,
IntoDiagnosticArg,
};
use rustc_errors::{DiagnosticArgValue, DiagnosticMessage, ErrorGuaranteed, IntoDiagnosticArg};
use rustc_macros::HashStable;
use rustc_session::CtfeBacktrace;
use rustc_span::{def_id::DefId, Span, DUMMY_SP};
@ -90,10 +86,6 @@ pub type EvalToConstValueResult<'tcx> = Result<ConstValue<'tcx>, ErrorHandled>;
/// This is needed in `thir::pattern::lower_inline_const`.
pub type EvalToValTreeResult<'tcx> = Result<Option<ValTree<'tcx>>, ErrorHandled>;
pub fn struct_error<'tcx>(tcx: TyCtxtAt<'tcx>, msg: &str) -> DiagnosticBuilder<'tcx> {
struct_span_err!(tcx.dcx(), tcx.span, E0080, "{}", msg)
}
#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
static_assert_size!(InterpErrorInfo<'_>, 8);

11
compiler/rustc_middle/src/mir/interpret/mod.rs
View File

@ -142,12 +142,11 @@ use crate::ty::GenericArgKind;
use crate::ty::{self, Instance, Ty, TyCtxt};
pub use self::error::{
struct_error, BadBytesAccess, CheckAlignMsg, CheckInAllocMsg, ErrorHandled,
EvalToAllocationRawResult, EvalToConstValueResult, EvalToValTreeResult, ExpectedKind,
InterpError, InterpErrorInfo, InterpResult, InvalidMetaKind, InvalidProgramInfo,
MachineStopType, Misalignment, PointerKind, ReportedErrorInfo, ResourceExhaustionInfo,
ScalarSizeMismatch, UndefinedBehaviorInfo, UnsupportedOpInfo, ValidationErrorInfo,
ValidationErrorKind,
BadBytesAccess, CheckAlignMsg, CheckInAllocMsg, ErrorHandled, EvalToAllocationRawResult,
EvalToConstValueResult, EvalToValTreeResult, ExpectedKind, InterpError, InterpErrorInfo,
InterpResult, InvalidMetaKind, InvalidProgramInfo, MachineStopType, Misalignment, PointerKind,
ReportedErrorInfo, ResourceExhaustionInfo, ScalarSizeMismatch, UndefinedBehaviorInfo,
UnsupportedOpInfo, ValidationErrorInfo, ValidationErrorKind,
};
pub use self::value::Scalar;

1
compiler/rustc_middle/src/mir/mod.rs
View File

@ -55,7 +55,6 @@ pub mod mono;
pub mod patch;
pub mod pretty;
mod query;
pub mod spanview;
mod statement;
mod syntax;
pub mod tcx;

11
compiler/rustc_middle/src/mir/pretty.rs
View File

@ -5,7 +5,6 @@ use std::io::{self, Write as _};
use std::path::{Path, PathBuf};
use super::graphviz::write_mir_fn_graphviz;
use super::spanview::write_mir_fn_spanview;
use rustc_ast::InlineAsmTemplatePiece;
use rustc_middle::mir::interpret::{
alloc_range, read_target_uint, AllocBytes, AllocId, Allocation, GlobalAlloc, Pointer,
@ -141,16 +140,6 @@ fn dump_matched_mir_node<'tcx, F>(
write_mir_fn_graphviz(tcx, body, false, &mut file)?;
};
}
if let Some(spanview) = tcx.sess.opts.unstable_opts.dump_mir_spanview {
let _: io::Result<()> = try {
let file_basename = dump_file_basename(tcx, pass_num, pass_name, disambiguator, body);
let mut file = create_dump_file_with_basename(tcx, &file_basename, "html")?;
if body.source.def_id().is_local() {
write_mir_fn_spanview(tcx, body, spanview, &file_basename, &mut file)?;
}
};
}
}
/// Returns the file basename portion (without extension) of a filename path

642
compiler/rustc_middle/src/mir/spanview.rs
View File

@ -1,642 +0,0 @@
use rustc_middle::hir;
use rustc_middle::mir::*;
use rustc_session::config::MirSpanview;
use rustc_span::{BytePos, Pos};
use std::cmp;
use std::io::{self, Write};
pub const TOOLTIP_INDENT: &str = " ";
const CARET: char = '\u{2038}'; // Unicode `CARET`
const ANNOTATION_LEFT_BRACKET: char = '\u{298a}'; // Unicode `Z NOTATION RIGHT BINDING BRACKET`
const ANNOTATION_RIGHT_BRACKET: char = '\u{2989}'; // Unicode `Z NOTATION LEFT BINDING BRACKET`
const NEW_LINE_SPAN: &str = "</span>\n<span class=\"line\">";
const HEADER: &str = r#"<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">"#;
const START_BODY: &str = r#"</head>
<body>"#;
const FOOTER: &str = r#"</body>
</html>"#;
const STYLE_SECTION: &str = r#"<style>
.line {
counter-increment: line;
}
.line:before {
content: counter(line) ": ";
font-family: Menlo, Monaco, monospace;
font-style: italic;
width: 3.8em;
display: inline-block;
text-align: right;
filter: opacity(50%);
-webkit-user-select: none;
}
.code {
color: #dddddd;
background-color: #222222;
font-family: Menlo, Monaco, monospace;
line-height: 1.4em;
border-bottom: 2px solid #222222;
white-space: pre;
display: inline-block;
}
.odd {
background-color: #55bbff;
color: #223311;
}
.even {
background-color: #ee7756;
color: #551133;
}
.code {
--index: calc(var(--layer) - 1);
padding-top: calc(var(--index) * 0.15em);
filter:
hue-rotate(calc(var(--index) * 25deg))
saturate(calc(100% - (var(--index) * 2%)))
brightness(calc(100% - (var(--index) * 1.5%)));
}
.annotation {
color: #4444ff;
font-family: monospace;
font-style: italic;
display: none;
-webkit-user-select: none;
}
body:active .annotation {
/* requires holding mouse down anywhere on the page */
display: inline-block;
}
span:hover .annotation {
/* requires hover over a span ONLY on its first line */
display: inline-block;
}
</style>"#;
/// Metadata to highlight the span of a MIR BasicBlock, Statement, or Terminator.
#[derive(Clone, Debug)]
pub struct SpanViewable {
pub bb: BasicBlock,
pub span: Span,
pub id: String,
pub tooltip: String,
}
/// Write a spanview HTML+CSS file to analyze MIR element spans.
pub fn write_mir_fn_spanview<'tcx, W>(
tcx: TyCtxt<'tcx>,
body: &Body<'tcx>,
spanview: MirSpanview,
title: &str,
w: &mut W,
) -> io::Result<()>
where
W: Write,
{
let def_id = body.source.def_id();
let hir_body = hir_body(tcx, def_id);
if hir_body.is_none() {
return Ok(());
}
let body_span = hir_body.unwrap().value.span;
let mut span_viewables = Vec::new();
for (bb, data) in body.basic_blocks.iter_enumerated() {
match spanview {
MirSpanview::Statement => {
for (i, statement) in data.statements.iter().enumerate() {
if let Some(span_viewable) =
statement_span_viewable(tcx, body_span, bb, i, statement)
{
span_viewables.push(span_viewable);
}
}
if let Some(span_viewable) = terminator_span_viewable(tcx, body_span, bb, data) {
span_viewables.push(span_viewable);
}
}
MirSpanview::Terminator => {
if let Some(span_viewable) = terminator_span_viewable(tcx, body_span, bb, data) {
span_viewables.push(span_viewable);
}
}
MirSpanview::Block => {
if let Some(span_viewable) = block_span_viewable(tcx, body_span, bb, data) {
span_viewables.push(span_viewable);
}
}
}
}
write_document(tcx, fn_span(tcx, def_id), span_viewables, title, w)?;
Ok(())
}
/// Generate a spanview HTML+CSS document for the given local function `def_id`, and a pre-generated
/// list `SpanViewable`s.
pub fn write_document<'tcx, W>(
tcx: TyCtxt<'tcx>,
spanview_span: Span,
mut span_viewables: Vec<SpanViewable>,
title: &str,
w: &mut W,
) -> io::Result<()>
where
W: Write,
{
let mut from_pos = spanview_span.lo();
let end_pos = spanview_span.hi();
let source_map = tcx.sess.source_map();
let start = source_map.lookup_char_pos(from_pos);
let indent_to_initial_start_col = " ".repeat(start.col.to_usize());
debug!(
"spanview_span={:?}; source is:\n{}{}",
spanview_span,
indent_to_initial_start_col,
source_map.span_to_snippet(spanview_span).expect("function should have printable source")
);
writeln!(w, "{HEADER}")?;
writeln!(w, "<title>{title}</title>")?;
writeln!(w, "{STYLE_SECTION}")?;
writeln!(w, "{START_BODY}")?;
write!(
w,
r#"<div class="code" style="counter-reset: line {}"><span class="line">{}"#,
start.line - 1,
indent_to_initial_start_col,
)?;
span_viewables.sort_unstable_by(|a, b| {
let a = a.span;
let b = b.span;
if a.lo() == b.lo() {
// Sort hi() in reverse order so shorter spans are attempted after longer spans.
// This should give shorter spans a higher "layer", so they are not covered by
// the longer spans.
b.hi().partial_cmp(&a.hi())
} else {
a.lo().partial_cmp(&b.lo())
}
.unwrap()
});
let mut ordered_viewables = &span_viewables[..];
const LOWEST_VIEWABLE_LAYER: usize = 1;
let mut alt = false;
while ordered_viewables.len() > 0 {
debug!(
"calling write_next_viewable with from_pos={}, end_pos={}, and viewables len={}",
from_pos.to_usize(),
end_pos.to_usize(),
ordered_viewables.len()
);
let curr_id = &ordered_viewables[0].id;
let (next_from_pos, next_ordered_viewables) = write_next_viewable_with_overlaps(
tcx,
from_pos,
end_pos,
ordered_viewables,
alt,
LOWEST_VIEWABLE_LAYER,
w,
)?;
debug!(
"DONE calling write_next_viewable, with new from_pos={}, \
and remaining viewables len={}",
next_from_pos.to_usize(),
next_ordered_viewables.len()
);
assert!(
from_pos != next_from_pos || ordered_viewables.len() != next_ordered_viewables.len(),
"write_next_viewable_with_overlaps() must make a state change"
);
from_pos = next_from_pos;
if next_ordered_viewables.len() != ordered_viewables.len() {
ordered_viewables = next_ordered_viewables;
if let Some(next_ordered_viewable) = ordered_viewables.first() {
if &next_ordered_viewable.id != curr_id {
alt = !alt;
}
}
}
}
if from_pos < end_pos {
write_coverage_gap(tcx, from_pos, end_pos, w)?;
}
writeln!(w, r#"</span></div>"#)?;
writeln!(w, "{FOOTER}")?;
Ok(())
}
/// Format a string showing the start line and column, and end line and column within a file.
pub fn source_range_no_file(tcx: TyCtxt<'_>, span: Span) -> String {
let source_map = tcx.sess.source_map();
let start = source_map.lookup_char_pos(span.lo());
let end = source_map.lookup_char_pos(span.hi());
format!("{}:{}-{}:{}", start.line, start.col.to_usize() + 1, end.line, end.col.to_usize() + 1)
}
fn statement_span_viewable<'tcx>(
tcx: TyCtxt<'tcx>,
body_span: Span,
bb: BasicBlock,
i: usize,
statement: &Statement<'tcx>,
) -> Option<SpanViewable> {
let span = statement.source_info.span;
if !body_span.contains(span) {
return None;
}
let id = format!("{}[{}]", bb.index(), i);
let tooltip = tooltip(tcx, &id, span, vec![statement.clone()], &None);
Some(SpanViewable { bb, span, id, tooltip })
}
fn terminator_span_viewable<'tcx>(
tcx: TyCtxt<'tcx>,
body_span: Span,
bb: BasicBlock,
data: &BasicBlockData<'tcx>,
) -> Option<SpanViewable> {
let term = data.terminator();
let span = term.source_info.span;
if !body_span.contains(span) {
return None;
}
let id = format!("{}:{}", bb.index(), term.kind.name());
let tooltip = tooltip(tcx, &id, span, vec![], &data.terminator);
Some(SpanViewable { bb, span, id, tooltip })
}
fn block_span_viewable<'tcx>(
tcx: TyCtxt<'tcx>,
body_span: Span,
bb: BasicBlock,
data: &BasicBlockData<'tcx>,
) -> Option<SpanViewable> {
let span = compute_block_span(data, body_span);
if !body_span.contains(span) {
return None;
}
let id = format!("{}", bb.index());
let tooltip = tooltip(tcx, &id, span, data.statements.clone(), &data.terminator);
Some(SpanViewable { bb, span, id, tooltip })
}
fn compute_block_span(data: &BasicBlockData<'_>, body_span: Span) -> Span {
let mut span = data.terminator().source_info.span;
for statement_span in data.statements.iter().map(|statement| statement.source_info.span) {
// Only combine Spans from the root context, and within the function's body_span.
if statement_span.ctxt().is_root() && body_span.contains(statement_span) {
span = span.to(statement_span);
}
}
span
}
/// Recursively process each ordered span. Spans that overlap will have progressively varying
/// styles, such as increased padding for each overlap. Non-overlapping adjacent spans will
/// have alternating style choices, to help distinguish between them if, visually adjacent.
/// The `layer` is incremented for each overlap, and the `alt` bool alternates between true
/// and false, for each adjacent non-overlapping span. Source code between the spans (code
/// that is not in any coverage region) has neutral styling.
fn write_next_viewable_with_overlaps<'tcx, 'b, W>(
tcx: TyCtxt<'tcx>,
mut from_pos: BytePos,
mut to_pos: BytePos,
ordered_viewables: &'b [SpanViewable],
alt: bool,
layer: usize,
w: &mut W,
) -> io::Result<(BytePos, &'b [SpanViewable])>
where
W: Write,
{
let debug_indent = " ".repeat(layer);
let (viewable, mut remaining_viewables) =
ordered_viewables.split_first().expect("ordered_viewables should have some");
if from_pos < viewable.span.lo() {
debug!(
"{}advance from_pos to next SpanViewable (from from_pos={} to viewable.span.lo()={} \
of {:?}), with to_pos={}",
debug_indent,
from_pos.to_usize(),
viewable.span.lo().to_usize(),
viewable.span,
to_pos.to_usize()
);
let hi = cmp::min(viewable.span.lo(), to_pos);
write_coverage_gap(tcx, from_pos, hi, w)?;
from_pos = hi;
if from_pos < viewable.span.lo() {
debug!(
"{}EARLY RETURN: stopped before getting to next SpanViewable, at {}",
debug_indent,
from_pos.to_usize()
);
return Ok((from_pos, ordered_viewables));
}
}
if from_pos < viewable.span.hi() {
// Set to_pos to the end of this `viewable` to ensure the recursive calls stop writing
// with room to print the tail.
to_pos = cmp::min(viewable.span.hi(), to_pos);
debug!(
"{}update to_pos (if not closer) to viewable.span.hi()={}; to_pos is now {}",
debug_indent,
viewable.span.hi().to_usize(),
to_pos.to_usize()
);
}
let mut subalt = false;
while remaining_viewables.len() > 0 && remaining_viewables[0].span.overlaps(viewable.span) {
let overlapping_viewable = &remaining_viewables[0];
debug!("{}overlapping_viewable.span={:?}", debug_indent, overlapping_viewable.span);
let span =
trim_span(viewable.span, from_pos, cmp::min(overlapping_viewable.span.lo(), to_pos));
let mut some_html_snippet = if from_pos <= viewable.span.hi() || viewable.span.is_empty() {
// `viewable` is not yet fully rendered, so start writing the span, up to either the
// `to_pos` or the next `overlapping_viewable`, whichever comes first.
debug!(
"{}make html_snippet (may not write it if early exit) for partial span {:?} \
of viewable.span {:?}",
debug_indent, span, viewable.span
);
from_pos = span.hi();
make_html_snippet(tcx, span, Some(viewable))
} else {
None
};
// Defer writing the HTML snippet (until after early return checks) ONLY for empty spans.
// An empty Span with Some(html_snippet) is probably a tail marker. If there is an early
// exit, there should be another opportunity to write the tail marker.
if !span.is_empty() {
if let Some(ref html_snippet) = some_html_snippet {
debug!(
"{}write html_snippet for that partial span of viewable.span {:?}",
debug_indent, viewable.span
);
write_span(html_snippet, &viewable.tooltip, alt, layer, w)?;
}
some_html_snippet = None;
}
if from_pos < overlapping_viewable.span.lo() {
debug!(
"{}EARLY RETURN: from_pos={} has not yet reached the \
overlapping_viewable.span {:?}",
debug_indent,
from_pos.to_usize(),
overlapping_viewable.span
);
// must have reached `to_pos` before reaching the start of the
// `overlapping_viewable.span`
return Ok((from_pos, ordered_viewables));
}
if from_pos == to_pos
&& !(from_pos == overlapping_viewable.span.lo() && overlapping_viewable.span.is_empty())
{
debug!(
"{}EARLY RETURN: from_pos=to_pos={} and overlapping_viewable.span {:?} is not \
empty, or not from_pos",
debug_indent,
to_pos.to_usize(),
overlapping_viewable.span
);
// `to_pos` must have occurred before the overlapping viewable. Return
// `ordered_viewables` so we can continue rendering the `viewable`, from after the
// `to_pos`.
return Ok((from_pos, ordered_viewables));
}
if let Some(ref html_snippet) = some_html_snippet {
debug!(
"{}write html_snippet for that partial span of viewable.span {:?}",
debug_indent, viewable.span
);
write_span(html_snippet, &viewable.tooltip, alt, layer, w)?;
}
debug!(
"{}recursively calling write_next_viewable with from_pos={}, to_pos={}, \
and viewables len={}",
debug_indent,
from_pos.to_usize(),
to_pos.to_usize(),
remaining_viewables.len()
);
// Write the overlaps (and the overlaps' overlaps, if any) up to `to_pos`.
let curr_id = &remaining_viewables[0].id;
let (next_from_pos, next_remaining_viewables) = write_next_viewable_with_overlaps(
tcx,
from_pos,
to_pos,
remaining_viewables,
subalt,
layer + 1,
w,
)?;
debug!(
"{}DONE recursively calling write_next_viewable, with new from_pos={}, and remaining \
viewables len={}",
debug_indent,
next_from_pos.to_usize(),
next_remaining_viewables.len()
);
assert!(
from_pos != next_from_pos
|| remaining_viewables.len() != next_remaining_viewables.len(),
"write_next_viewable_with_overlaps() must make a state change"
);
from_pos = next_from_pos;
if next_remaining_viewables.len() != remaining_viewables.len() {
remaining_viewables = next_remaining_viewables;
if let Some(next_ordered_viewable) = remaining_viewables.first() {
if &next_ordered_viewable.id != curr_id {
subalt = !subalt;
}
}
}
}
if from_pos <= viewable.span.hi() {
let span = trim_span(viewable.span, from_pos, to_pos);
debug!(
"{}After overlaps, writing (end span?) {:?} of viewable.span {:?}",
debug_indent, span, viewable.span
);
if let Some(ref html_snippet) = make_html_snippet(tcx, span, Some(viewable)) {
from_pos = span.hi();
write_span(html_snippet, &viewable.tooltip, alt, layer, w)?;
}
}
debug!("{}RETURN: No more overlap", debug_indent);
Ok((
from_pos,
if from_pos < viewable.span.hi() { ordered_viewables } else { remaining_viewables },
))
}
#[inline(always)]
fn write_coverage_gap<W>(tcx: TyCtxt<'_>, lo: BytePos, hi: BytePos, w: &mut W) -> io::Result<()>
where
W: Write,
{
let span = Span::with_root_ctxt(lo, hi);
if let Some(ref html_snippet) = make_html_snippet(tcx, span, None) {
write_span(html_snippet, "", false, 0, w)
} else {
Ok(())
}
}
fn write_span<W>(
html_snippet: &str,
tooltip: &str,
alt: bool,
layer: usize,
w: &mut W,
) -> io::Result<()>
where
W: Write,
{
let maybe_alt_class = if layer > 0 { if alt { " odd" } else { " even" } } else { "" };
let maybe_title_attr = if !tooltip.is_empty() {
format!(" title=\"{}\"", escape_attr(tooltip))
} else {
"".to_owned()
};
if layer == 1 {
write!(w, "<span>")?;
}
for (i, line) in html_snippet.lines().enumerate() {
if i > 0 {
write!(w, "{NEW_LINE_SPAN}")?;
}
write!(
w,
r#"<span class="code{maybe_alt_class}" style="--layer: {layer}"{maybe_title_attr}>{line}</span>"#
)?;
}
// Check for and translate trailing newlines, because `str::lines()` ignores them
if html_snippet.ends_with('\n') {
write!(w, "{NEW_LINE_SPAN}")?;
}
if layer == 1 {
write!(w, "</span>")?;
}
Ok(())
}
fn make_html_snippet(
tcx: TyCtxt<'_>,
span: Span,
some_viewable: Option<&SpanViewable>,
) -> Option<String> {
let source_map = tcx.sess.source_map();
let snippet = source_map
.span_to_snippet(span)
.unwrap_or_else(|err| bug!("span_to_snippet error for span {:?}: {:?}", span, err));
let html_snippet = if let Some(viewable) = some_viewable {
let is_head = span.lo() == viewable.span.lo();
let is_tail = span.hi() == viewable.span.hi();
let mut labeled_snippet = if is_head {
format!(r#"<span class="annotation">{}{}</span>"#, viewable.id, ANNOTATION_LEFT_BRACKET)
} else {
"".to_owned()
};
if span.is_empty() {
if is_head && is_tail {
labeled_snippet.push(CARET);
}
} else {
labeled_snippet.push_str(&escape_html(&snippet));
};
if is_tail {
labeled_snippet.push_str(&format!(
r#"<span class="annotation">{}{}</span>"#,
ANNOTATION_RIGHT_BRACKET, viewable.id
));
}
labeled_snippet
} else {
escape_html(&snippet)
};
if html_snippet.is_empty() { None } else { Some(html_snippet) }
}
fn tooltip<'tcx>(
tcx: TyCtxt<'tcx>,
spanview_id: &str,
span: Span,
statements: Vec<Statement<'tcx>>,
terminator: &Option<Terminator<'tcx>>,
) -> String {
let source_map = tcx.sess.source_map();
let mut text = Vec::new();
text.push(format!("{}: {}:", spanview_id, &source_map.span_to_embeddable_string(span)));
for statement in statements {
let source_range = source_range_no_file(tcx, statement.source_info.span);
text.push(format!(
"\n{}{}: {}: {:?}",
TOOLTIP_INDENT,
source_range,
statement.kind.name(),
statement
));
}
if let Some(term) = terminator {
let source_range = source_range_no_file(tcx, term.source_info.span);
text.push(format!(
"\n{}{}: {}: {:?}",
TOOLTIP_INDENT,
source_range,
term.kind.name(),
term.kind
));
}
text.join("")
}
fn trim_span(span: Span, from_pos: BytePos, to_pos: BytePos) -> Span {
trim_span_hi(trim_span_lo(span, from_pos), to_pos)
}
fn trim_span_lo(span: Span, from_pos: BytePos) -> Span {
if from_pos <= span.lo() { span } else { span.with_lo(cmp::min(span.hi(), from_pos)) }
}
fn trim_span_hi(span: Span, to_pos: BytePos) -> Span {
if to_pos >= span.hi() { span } else { span.with_hi(cmp::max(span.lo(), to_pos)) }
}
fn fn_span(tcx: TyCtxt<'_>, def_id: DefId) -> Span {
let fn_decl_span = tcx.def_span(def_id);
if let Some(body_span) = hir_body(tcx, def_id).map(|hir_body| hir_body.value.span) {
if fn_decl_span.eq_ctxt(body_span) { fn_decl_span.to(body_span) } else { body_span }
} else {
fn_decl_span
}
}
fn hir_body(tcx: TyCtxt<'_>, def_id: DefId) -> Option<&rustc_hir::Body<'_>> {
let hir_node = tcx.hir().get_if_local(def_id).expect("expected DefId is local");
hir::map::associated_body(hir_node).map(|(_, fn_body_id)| tcx.hir().body(fn_body_id))
}
fn escape_html(s: &str) -> String {
s.replace('&', "&amp;").replace('<', "&lt;").replace('>', "&gt;")
}
fn escape_attr(s: &str) -> String {
s.replace('&', "&amp;")
.replace('\"', "&quot;")
.replace('\'', "&#39;")
.replace('<', "&lt;")
.replace('>', "&gt;")
}

2
compiler/rustc_middle/src/traits/mod.rs
View File

@ -289,7 +289,7 @@ pub enum ObligationCauseCode<'tcx> {
/// Type of each variable must be `Sized`.
VariableType(hir::HirId),
/// Argument type must be `Sized`.
SizedArgumentType(Option<Span>),
SizedArgumentType(Option<hir::HirId>),
/// Return type must be `Sized`.
SizedReturnType,
/// Yield type must be `Sized`.

8
compiler/rustc_mir_build/src/errors.rs
View File

@ -467,11 +467,11 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> {
level,
fluent::mir_build_non_exhaustive_patterns_type_not_empty,
);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0004));
let peeled_ty = self.ty.peel_refs();
diag.set_arg("ty", self.ty);
diag.set_arg("peeled_ty", peeled_ty);
diag.arg("ty", self.ty);
diag.arg("peeled_ty", peeled_ty);
if let ty::Adt(def, _) = peeled_ty.kind() {
let def_span = self
@ -855,7 +855,7 @@ impl<'tcx> AddToDiagnostic for AdtDefinedHere<'tcx> {
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.set_arg("ty", self.ty);
diag.arg("ty", self.ty);
let mut spans = MultiSpan::from(self.adt_def_span);
for Variant { span } in self.variants {

7
compiler/rustc_mir_transform/src/dest_prop.rs
View File

@ -133,7 +133,6 @@
use std::collections::hash_map::{Entry, OccupiedEntry};
use crate::simplify::remove_dead_blocks;
use crate::MirPass;
use rustc_data_structures::fx::FxHashMap;
use rustc_index::bit_set::BitSet;
@ -241,12 +240,6 @@ impl<'tcx> MirPass<'tcx> for DestinationPropagation {
apply_merges(body, tcx, &merges, &merged_locals);
}
if round_count != 0 {
// Merging can introduce overlap between moved arguments and/or call destination in an
// unreachable code, which validator considers to be ill-formed.
remove_dead_blocks(body);
}
trace!(round_count);
}
}

24
compiler/rustc_mir_transform/src/errors.rs
View File

@ -67,11 +67,11 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for RequiresUnsafe {
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::mir_transform_requires_unsafe);
diag.code(rustc_errors::DiagnosticId::Error("E0133".to_string()));
diag.set_span(self.span);
diag.span(self.span);
diag.span_label(self.span, self.details.label());
let desc = dcx.eagerly_translate_to_string(self.details.label(), [].into_iter());
diag.set_arg("details", desc);
diag.set_arg("op_in_unsafe_fn_allowed", self.op_in_unsafe_fn_allowed);
diag.arg("details", desc);
diag.arg("op_in_unsafe_fn_allowed", self.op_in_unsafe_fn_allowed);
self.details.add_subdiagnostics(&mut diag);
if let Some(sp) = self.enclosing {
diag.span_label(sp, fluent::mir_transform_not_inherited);
@ -122,16 +122,16 @@ impl RequiresUnsafeDetail {
}
CallToFunctionWith { ref missing, ref build_enabled } => {
diag.help(fluent::mir_transform_target_feature_call_help);
diag.set_arg(
diag.arg(
"missing_target_features",
DiagnosticArgValue::StrListSepByAnd(
missing.iter().map(|feature| Cow::from(feature.as_str())).collect(),
),
);
diag.set_arg("missing_target_features_count", missing.len());
diag.arg("missing_target_features_count", missing.len());
if !build_enabled.is_empty() {
diag.note(fluent::mir_transform_target_feature_call_note);
diag.set_arg(
diag.arg(
"build_target_features",
DiagnosticArgValue::StrListSepByAnd(
build_enabled
@ -140,7 +140,7 @@ impl RequiresUnsafeDetail {
.collect(),
),
);
diag.set_arg("build_target_features_count", build_enabled.len());
diag.arg("build_target_features_count", build_enabled.len());
}
}
}
@ -183,7 +183,7 @@ impl<'a> DecorateLint<'a, ()> for UnsafeOpInUnsafeFn {
fn decorate_lint<'b>(self, diag: &'b mut DiagnosticBuilder<'a, ()>) {
let dcx = diag.dcx().expect("lint should not yet be emitted");
let desc = dcx.eagerly_translate_to_string(self.details.label(), [].into_iter());
diag.set_arg("details", desc);
diag.arg("details", desc);
diag.span_label(self.details.span, self.details.label());
self.details.add_subdiagnostics(diag);
@ -213,7 +213,7 @@ impl<'a, P: std::fmt::Debug> DecorateLint<'a, ()> for AssertLint<P> {
let assert_kind = self.panic();
let message = assert_kind.diagnostic_message();
assert_kind.add_args(&mut |name, value| {
diag.set_arg(name, value);
diag.arg(name, value);
});
diag.span_label(span, message);
}
@ -280,9 +280,9 @@ impl<'a> DecorateLint<'a, ()> for MustNotSupend<'_, '_> {
diag.subdiagnostic(reason);
}
diag.span_help(self.src_sp, fluent::_subdiag::help);
diag.set_arg("pre", self.pre);
diag.set_arg("def_path", self.tcx.def_path_str(self.def_id));
diag.set_arg("post", self.post);
diag.arg("pre", self.pre);
diag.arg("def_path", self.tcx.def_path_str(self.def_id));
diag.arg("post", self.post);
}
fn msg(&self) -> rustc_errors::DiagnosticMessage {

62
compiler/rustc_mir_transform/src/lint.rs
View File

@ -1,6 +1,7 @@
//! This pass statically detects code which has undefined behaviour or is likely to be erroneous.
//! It can be used to locate problems in MIR building or optimizations. It assumes that all code
//! can be executed, so it has false positives.
use rustc_data_structures::fx::FxHashSet;
use rustc_index::bit_set::BitSet;
use rustc_middle::mir::visit::{PlaceContext, Visitor};
use rustc_middle::mir::*;
@ -11,7 +12,6 @@ use rustc_mir_dataflow::{Analysis, ResultsCursor};
use std::borrow::Cow;
pub fn lint_body<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, when: String) {
let reachable_blocks = traversal::reachable_as_bitset(body);
let always_live_locals = &always_storage_live_locals(body);
let maybe_storage_live = MaybeStorageLive::new(Cow::Borrowed(always_live_locals))
@ -24,17 +24,19 @@ pub fn lint_body<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, when: String) {
.iterate_to_fixpoint()
.into_results_cursor(body);
Lint {
let mut lint = Lint {
tcx,
when,
body,
is_fn_like: tcx.def_kind(body.source.def_id()).is_fn_like(),
always_live_locals,
reachable_blocks,
maybe_storage_live,
maybe_storage_dead,
places: Default::default(),
};
for (bb, data) in traversal::reachable(body) {
lint.visit_basic_block_data(bb, data);
}
.visit_body(body);
}
struct Lint<'a, 'tcx> {
@ -43,9 +45,9 @@ struct Lint<'a, 'tcx> {
body: &'a Body<'tcx>,
is_fn_like: bool,
always_live_locals: &'a BitSet<Local>,
reachable_blocks: BitSet<BasicBlock>,
maybe_storage_live: ResultsCursor<'a, 'tcx, MaybeStorageLive<'a>>,
maybe_storage_dead: ResultsCursor<'a, 'tcx, MaybeStorageDead<'a>>,
places: FxHashSet<PlaceRef<'tcx>>,
}
impl<'a, 'tcx> Lint<'a, 'tcx> {
@ -67,7 +69,7 @@ impl<'a, 'tcx> Lint<'a, 'tcx> {
impl<'a, 'tcx> Visitor<'tcx> for Lint<'a, 'tcx> {
fn visit_local(&mut self, local: Local, context: PlaceContext, location: Location) {
if self.reachable_blocks.contains(location.block) && context.is_use() {
if context.is_use() {
self.maybe_storage_dead.seek_after_primary_effect(location);
if self.maybe_storage_dead.get().contains(local) {
self.fail(location, format!("use of local {local:?}, which has no storage here"));
@ -76,18 +78,28 @@ impl<'a, 'tcx> Visitor<'tcx> for Lint<'a, 'tcx> {
}
fn visit_statement(&mut self, statement: &Statement<'tcx>, location: Location) {
match statement.kind {
StatementKind::StorageLive(local) => {
if self.reachable_blocks.contains(location.block) {
self.maybe_storage_live.seek_before_primary_effect(location);
if self.maybe_storage_live.get().contains(local) {
match &statement.kind {
StatementKind::Assign(box (dest, rvalue)) => {
if let Rvalue::Use(Operand::Copy(src) | Operand::Move(src)) = rvalue {
// The sides of an assignment must not alias. Currently this just checks whether
// the places are identical.
if dest == src {
self.fail(
location,
format!("StorageLive({local:?}) which already has storage here"),
"encountered `Assign` statement with overlapping memory",
);
}
}
}
StatementKind::StorageLive(local) => {
self.maybe_storage_live.seek_before_primary_effect(location);
if self.maybe_storage_live.get().contains(*local) {
self.fail(
location,
format!("StorageLive({local:?}) which already has storage here"),
);
}
}
_ => {}
}
@ -95,9 +107,9 @@ impl<'a, 'tcx> Visitor<'tcx> for Lint<'a, 'tcx> {
}
fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location) {
match terminator.kind {
match &terminator.kind {
TerminatorKind::Return => {
if self.is_fn_like && self.reachable_blocks.contains(location.block) {
if self.is_fn_like {
self.maybe_storage_live.seek_after_primary_effect(location);
for local in self.maybe_storage_live.get().iter() {
if !self.always_live_locals.contains(local) {
@ -111,6 +123,28 @@ impl<'a, 'tcx> Visitor<'tcx> for Lint<'a, 'tcx> {
}
}
}
TerminatorKind::Call { args, destination, .. } => {
// The call destination place and Operand::Move place used as an argument might be
// passed by a reference to the callee. Consequently they must be non-overlapping.
// Currently this simply checks for duplicate places.
self.places.clear();
self.places.insert(destination.as_ref());
let mut has_duplicates = false;
for arg in args {
if let Operand::Move(place) = arg {
has_duplicates |= !self.places.insert(place.as_ref());
}
}
if has_duplicates {
self.fail(
location,
format!(
"encountered overlapping memory in `Move` arguments to `Call` terminator: {:?}",
terminator.kind,
),
);
}
}
_ => {}
}

12
compiler/rustc_mir_transform/src/pass_manager.rs
View File

@ -109,14 +109,15 @@ fn run_passes_inner<'tcx>(
phase_change: Option<MirPhase>,
validate_each: bool,
) {
let lint = tcx.sess.opts.unstable_opts.lint_mir & !body.should_skip();
let validate = validate_each & tcx.sess.opts.unstable_opts.validate_mir & !body.should_skip();
let overridden_passes = &tcx.sess.opts.unstable_opts.mir_enable_passes;
trace!(?overridden_passes);
let prof_arg = tcx.sess.prof.enabled().then(|| format!("{:?}", body.source.def_id()));
if !body.should_skip() {
let validate = validate_each & tcx.sess.opts.unstable_opts.validate_mir;
let lint = tcx.sess.opts.unstable_opts.lint_mir;
for pass in passes {
let name = pass.name();
@ -162,7 +163,12 @@ fn run_passes_inner<'tcx>(
body.pass_count = 0;
dump_mir_for_phase_change(tcx, body);
if validate || new_phase == MirPhase::Runtime(RuntimePhase::Optimized) {
let validate =
(validate_each & tcx.sess.opts.unstable_opts.validate_mir & !body.should_skip())
|| new_phase == MirPhase::Runtime(RuntimePhase::Optimized);
let lint = tcx.sess.opts.unstable_opts.lint_mir & !body.should_skip();
if validate {
validate_body(tcx, body, format!("after phase change to {}", new_phase.name()));
}
if lint {

2
compiler/rustc_monomorphize/src/errors.rs
View File

@ -51,7 +51,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for UnusedGenericParamsHint {
fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag =
DiagnosticBuilder::new(dcx, level, fluent::monomorphize_unused_generic_params);
diag.set_span(self.span);
diag.span(self.span);
for (span, name) in self.param_spans.into_iter().zip(self.param_names) {
// FIXME: I can figure out how to do a label with a fluent string with a fixed message,
// or a label with a dynamic value in a hard-coded string, but I haven't figured out

8
compiler/rustc_parse/src/errors.rs
View File

@ -1065,8 +1065,8 @@ impl<'a> IntoDiagnostic<'a> for ExpectedIdentifier {
None => fluent::parse_expected_identifier_found_str,
},
);
diag.set_span(self.span);
diag.set_arg("token", self.token);
diag.span(self.span);
diag.arg("token", self.token);
if let Some(sugg) = self.suggest_raw {
sugg.add_to_diagnostic(&mut diag);
@ -1123,8 +1123,8 @@ impl<'a> IntoDiagnostic<'a> for ExpectedSemi {
None => fluent::parse_expected_semi_found_str,
},
);
diag.set_span(self.span);
diag.set_arg("token", self.token);
diag.span(self.span);
diag.arg("token", self.token);
if let Some(unexpected_token_label) = self.unexpected_token_label {
diag.span_label(unexpected_token_label, fluent::parse_label_unexpected_token);

35
compiler/rustc_parse/src/lexer/mod.rs
View File

@ -7,9 +7,7 @@ use rustc_ast::ast::{self, AttrStyle};
use rustc_ast::token::{self, CommentKind, Delimiter, Token, TokenKind};
use rustc_ast::tokenstream::TokenStream;
use rustc_ast::util::unicode::contains_text_flow_control_chars;
use rustc_errors::{
error_code, Applicability, DiagCtxt, Diagnostic, DiagnosticBuilder, FatalAbort, StashKey,
};
use rustc_errors::{error_code, Applicability, DiagCtxt, Diagnostic, StashKey};
use rustc_lexer::unescape::{self, EscapeError, Mode};
use rustc_lexer::{Base, DocStyle, RawStrError};
use rustc_lexer::{Cursor, LiteralKind};
@ -252,7 +250,7 @@ impl<'a> StringReader<'a> {
if starts_with_number {
let span = self.mk_sp(start, self.pos);
let mut diag = self.dcx().struct_err("lifetimes cannot start with a number");
diag.set_span(span);
diag.span(span);
diag.stash(span, StashKey::LifetimeIsChar);
}
let ident = Symbol::intern(lifetime_name);
@ -344,18 +342,6 @@ impl<'a> StringReader<'a> {
token::Ident(sym, false)
}
fn struct_fatal_span_char(
&self,
from_pos: BytePos,
to_pos: BytePos,
m: &str,
c: char,
) -> DiagnosticBuilder<'a, FatalAbort> {
self.sess
.dcx
.struct_span_fatal(self.mk_sp(from_pos, to_pos), format!("{}: {}", m, escaped_char(c)))
}
/// Detect usages of Unicode codepoints changing the direction of the text on screen and loudly
/// complain about it.
fn lint_unicode_text_flow(&self, start: BytePos) {
@ -568,13 +554,16 @@ impl<'a> StringReader<'a> {
}
fn report_non_started_raw_string(&self, start: BytePos, bad_char: char) -> ! {
self.struct_fatal_span_char(
start,
self.pos,
"found invalid character; only `#` is allowed in raw string delimitation",
bad_char,
)
.emit()
self.sess
.dcx
.struct_span_fatal(
self.mk_sp(start, self.pos),
format!(
"found invalid character; only `#` is allowed in raw string delimitation: {}",
escaped_char(bad_char)
),
)
.emit()
}
fn report_unterminated_raw_string(

2
compiler/rustc_parse/src/lib.rs
View File

@ -154,7 +154,7 @@ fn try_file_to_source_file(
let msg = format!("couldn't read {}: {}", path.display(), e);
let mut diag = Diagnostic::new(Level::Fatal, msg);
if let Some(sp) = spanopt {
diag.set_span(sp);
diag.span(sp);
}
diag
})

2
compiler/rustc_parse/src/parser/attr.rs
View File

@ -174,7 +174,7 @@ impl<'a> Parser<'a> {
) {
Ok(Some(item)) => {
// FIXME(#100717)
err.set_arg("item", item.kind.descr());
err.arg("item", item.kind.descr());
err.span_label(item.span, fluent::parse_label_does_not_annotate_this);
err.span_suggestion_verbose(
replacement_span,

4
compiler/rustc_parse/src/parser/diagnostics.rs
View File

@ -846,7 +846,7 @@ impl<'a> Parser<'a> {
) =>
{
let n_hashes: u8 = *n_hashes;
err.set_primary_message("too many `#` when terminating raw string");
err.primary_message("too many `#` when terminating raw string");
let str_span = self.prev_token.span;
let mut span = self.token.span;
let mut count = 0;
@ -857,7 +857,7 @@ impl<'a> Parser<'a> {
self.bump();
count += 1;
}
err.set_span(span);
err.span(span);
err.span_suggestion(
span,
format!("remove the extra `#`{}", pluralize!(count)),

7
compiler/rustc_parse/src/parser/mod.rs
View File

@ -925,9 +925,8 @@ impl<'a> Parser<'a> {
});
}
expect_err.set_primary_message(
"closure bodies that contain statements must be surrounded by braces",
);
expect_err
.primary_message("closure bodies that contain statements must be surrounded by braces");
let preceding_pipe_span = closure_spans.closing_pipe;
let following_token_span = self.token.span;
@ -951,7 +950,7 @@ impl<'a> Parser<'a> {
);
expect_err.span_note(second_note, "the closure body may be incorrectly delimited");
expect_err.set_span(vec![preceding_pipe_span, following_token_span]);
expect_err.span(vec![preceding_pipe_span, following_token_span]);
let opening_suggestion_str = " {".to_string();
let closing_suggestion_str = "}".to_string();

6
compiler/rustc_passes/src/check_attr.rs
View File

@ -2341,17 +2341,17 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
match terr {
TypeError::ArgumentMutability(idx) | TypeError::ArgumentSorts(_, idx) => {
if let Some(ty) = hir_sig.decl.inputs.get(idx) {
diag.set_span(ty.span);
diag.span(ty.span);
cause.span = ty.span;
} else if idx == hir_sig.decl.inputs.len() {
let span = hir_sig.decl.output.span();
diag.set_span(span);
diag.span(span);
cause.span = span;
}
}
TypeError::ArgCount => {
if let Some(ty) = hir_sig.decl.inputs.get(expected_sig.inputs().len()) {
diag.set_span(ty.span);
diag.span(ty.span);
cause.span = ty.span;
}
}

38
compiler/rustc_passes/src/errors.rs
View File

@ -868,8 +868,8 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for InvalidAttrAtCrateLevel {
fn into_diagnostic(self, dcx: &'_ DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag =
DiagnosticBuilder::new(dcx, level, fluent::passes_invalid_attr_at_crate_level);
diag.set_span(self.span);
diag.set_arg("name", self.name);
diag.span(self.span);
diag.arg("name", self.name);
// Only emit an error with a suggestion if we can create a string out
// of the attribute span
if let Some(span) = self.sugg_span {
@ -881,7 +881,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for InvalidAttrAtCrateLevel {
);
}
if let Some(item) = self.item {
diag.set_arg("kind", item.kind);
diag.arg("kind", item.kind);
diag.span_label(item.span, fluent::passes_invalid_attr_at_crate_level_item);
}
diag
@ -1018,9 +1018,9 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'_, G> for BreakNonLoop<'a> {
#[track_caller]
fn into_diagnostic(self, dcx: &DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::passes_break_non_loop);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0571));
diag.set_arg("kind", self.kind);
diag.arg("kind", self.kind);
diag.span_label(self.span, fluent::passes_label);
if let Some(head) = self.head {
diag.span_label(head, fluent::passes_label2);
@ -1162,7 +1162,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for NakedFunctionsAsmBlock {
#[track_caller]
fn into_diagnostic(self, dcx: &DiagCtxt, level: Level) -> DiagnosticBuilder<'_, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::passes_naked_functions_asm_block);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0787));
for span in self.multiple_asms.iter() {
diag.span_label(*span, fluent::passes_label_multiple_asm);
@ -1273,11 +1273,11 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for NoMainErr {
#[track_caller]
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
let mut diag = DiagnosticBuilder::new(dcx, level, fluent::passes_no_main_function);
diag.set_span(DUMMY_SP);
diag.span(DUMMY_SP);
diag.code(error_code!(E0601));
diag.set_arg("crate_name", self.crate_name);
diag.set_arg("filename", self.filename);
diag.set_arg("has_filename", self.has_filename);
diag.arg("crate_name", self.crate_name);
diag.arg("filename", self.filename);
diag.arg("has_filename", self.has_filename);
let note = if !self.non_main_fns.is_empty() {
for &span in &self.non_main_fns {
diag.span_note(span, fluent::passes_here_is_main);
@ -1294,7 +1294,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for NoMainErr {
if self.file_empty {
diag.note(note);
} else {
diag.set_span(self.sp.shrink_to_hi());
diag.span(self.sp.shrink_to_hi());
diag.span_label(self.sp.shrink_to_hi(), note);
}
@ -1340,15 +1340,15 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for DuplicateLangItem {
},
);
diag.code(error_code!(E0152));
diag.set_arg("lang_item_name", self.lang_item_name);
diag.set_arg("crate_name", self.crate_name);
diag.set_arg("dependency_of", self.dependency_of);
diag.set_arg("path", self.path);
diag.set_arg("orig_crate_name", self.orig_crate_name);
diag.set_arg("orig_dependency_of", self.orig_dependency_of);
diag.set_arg("orig_path", self.orig_path);
diag.arg("lang_item_name", self.lang_item_name);
diag.arg("crate_name", self.crate_name);
diag.arg("dependency_of", self.dependency_of);
diag.arg("path", self.path);
diag.arg("orig_crate_name", self.orig_crate_name);
diag.arg("orig_dependency_of", self.orig_dependency_of);
diag.arg("orig_path", self.orig_path);
if let Some(span) = self.local_span {
diag.set_span(span);
diag.span(span);
}
if let Some(span) = self.first_defined_span {
diag.span_note(span, fluent::passes_first_defined_span);

2
compiler/rustc_pattern_analysis/src/lints.rs
View File

@ -204,7 +204,7 @@ pub(crate) fn lint_nonexhaustive_missing_variants<'a, 'p, 'tcx>(
use rustc_errors::DecorateLint;
let mut err = rcx.tcx.dcx().struct_span_warn(arm.pat.data().unwrap().span, "");
err.set_primary_message(decorator.msg());
err.primary_message(decorator.msg());
decorator.decorate_lint(&mut err);
err.emit();
}

6
compiler/rustc_resolve/src/late/diagnostics.rs
View File

@ -1383,7 +1383,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> {
| PathSource::TupleStruct(span, _) => {
// We want the main underline to cover the suggested code as well for
// cleaner output.
err.set_span(*span);
err.span(*span);
*span
}
_ => span,
@ -1615,7 +1615,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> {
let field_spans = match source {
// e.g. `if let Enum::TupleVariant(field1, field2) = _`
PathSource::TupleStruct(_, pattern_spans) => {
err.set_primary_message(
err.primary_message(
"cannot match against a tuple struct which contains private fields",
);
@ -1628,7 +1628,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> {
span: call_span,
..
})) => {
err.set_primary_message(
err.primary_message(
"cannot initialize a tuple struct which contains private fields",
);
self.suggest_alternative_construction_methods(

29
compiler/rustc_session/src/config.rs
View File

@ -125,21 +125,6 @@ pub enum LtoCli {
Unspecified,
}
/// The different settings that the `-Z dump_mir_spanview` flag can have. `Statement` generates a
/// document highlighting each span of every statement (including terminators). `Terminator` and
/// `Block` highlight a single span per `BasicBlock`: the span of the block's `Terminator`, or a
/// computed span for the block, representing the entire range, covering the block's terminator and
/// all of its statements.
#[derive(Clone, Copy, PartialEq, Hash, Debug)]
pub enum MirSpanview {
/// Default `-Z dump_mir_spanview` or `-Z dump_mir_spanview=statement`
Statement,
/// `-Z dump_mir_spanview=terminator`
Terminator,
/// `-Z dump_mir_spanview=block`
Block,
}
/// The different settings that the `-C instrument-coverage` flag can have.
///
/// Coverage instrumentation now supports combining `-C instrument-coverage`
@ -1162,7 +1147,6 @@ impl UnstableOptions {
can_emit_warnings,
treat_err_as_bug: self.treat_err_as_bug,
dont_buffer_diagnostics: self.dont_buffer_diagnostics,
report_delayed_bugs: self.report_delayed_bugs,
macro_backtrace: self.macro_backtrace,
deduplicate_diagnostics: self.deduplicate_diagnostics,
track_diagnostics: self.track_diagnostics,
@ -2051,23 +2035,14 @@ fn check_error_format_stability(
early_dcx: &mut EarlyDiagCtxt,
unstable_opts: &UnstableOptions,
error_format: ErrorOutputType,
json_rendered: HumanReadableErrorType,
) {
if !unstable_opts.unstable_options {
if let ErrorOutputType::Json { pretty: true, json_rendered } = error_format {
early_dcx.abort_if_error_and_set_error_format(ErrorOutputType::Json {
pretty: false,
json_rendered,
});
if let ErrorOutputType::Json { pretty: true, .. } = error_format {
early_dcx.early_fatal("`--error-format=pretty-json` is unstable");
}
if let ErrorOutputType::HumanReadable(HumanReadableErrorType::AnnotateSnippet(_)) =
error_format
{
early_dcx.abort_if_error_and_set_error_format(ErrorOutputType::Json {
pretty: false,
json_rendered,
});
early_dcx.early_fatal("`--error-format=human-annotate-rs` is unstable");
}
}
@ -2665,7 +2640,7 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
let mut unstable_opts = UnstableOptions::build(early_dcx, matches);
let (lint_opts, describe_lints, lint_cap) = get_cmd_lint_options(early_dcx, matches);
check_error_format_stability(early_dcx, &unstable_opts, error_format, json_rendered);
check_error_format_stability(early_dcx, &unstable_opts, error_format);
if !unstable_opts.unstable_options && json_unused_externs.is_enabled() {
early_dcx.early_fatal(

2
compiler/rustc_session/src/errors.rs
View File

@ -19,7 +19,7 @@ impl<'a> IntoDiagnostic<'a> for FeatureGateError {
#[track_caller]
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a> {
let mut diag = DiagnosticBuilder::new(dcx, level, self.explain);
diag.set_span(self.span);
diag.span(self.span);
diag.code(error_code!(E0658));
diag
}

31
compiler/rustc_session/src/options.rs
View File

@ -391,7 +391,6 @@ mod desc {
pub const parse_strip: &str = "either `none`, `debuginfo`, or `symbols`";
pub const parse_linker_flavor: &str = ::rustc_target::spec::LinkerFlavorCli::one_of();
pub const parse_optimization_fuel: &str = "crate=integer";
pub const parse_mir_spanview: &str = "`statement` (default), `terminator`, or `block`";
pub const parse_dump_mono_stats: &str = "`markdown` (default) or `json`";
pub const parse_instrument_coverage: &str =
"`all` (default), `branch`, `except-unused-generics`, `except-unused-functions`, or `off`";
@ -866,29 +865,6 @@ mod parse {
}
}
pub(crate) fn parse_mir_spanview(slot: &mut Option<MirSpanview>, v: Option<&str>) -> bool {
if v.is_some() {
let mut bool_arg = None;
if parse_opt_bool(&mut bool_arg, v) {
*slot = bool_arg.unwrap().then_some(MirSpanview::Statement);
return true;
}
}
let Some(v) = v else {
*slot = Some(MirSpanview::Statement);
return true;
};
*slot = Some(match v.trim_end_matches('s') {
"statement" | "stmt" => MirSpanview::Statement,
"terminator" | "term" => MirSpanview::Terminator,
"block" | "basicblock" => MirSpanview::Block,
_ => return false,
});
true
}
pub(crate) fn parse_time_passes_format(slot: &mut TimePassesFormat, v: Option<&str>) -> bool {
match v {
None => true,
@ -1601,11 +1577,6 @@ options! {
"exclude the pass number when dumping MIR (used in tests) (default: no)"),
dump_mir_graphviz: bool = (false, parse_bool, [UNTRACKED],
"in addition to `.mir` files, create graphviz `.dot` files (default: no)"),
dump_mir_spanview: Option<MirSpanview> = (None, parse_mir_spanview, [UNTRACKED],
"in addition to `.mir` files, create `.html` files to view spans for \
all `statement`s (including terminators), only `terminator` spans, or \
computed `block` spans (one span encompassing a block's terminator and \
all statements)."),
dump_mono_stats: SwitchWithOptPath = (SwitchWithOptPath::Disabled,
parse_switch_with_opt_path, [UNTRACKED],
"output statistics about monomorphization collection"),
@ -1841,8 +1812,6 @@ options! {
remark_dir: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
"directory into which to write optimization remarks (if not specified, they will be \
written to standard error output)"),
report_delayed_bugs: bool = (false, parse_bool, [TRACKED],
"immediately print bugs registered with `span_delayed_bug` (default: no)"),
sanitizer: SanitizerSet = (SanitizerSet::empty(), parse_sanitizers, [TRACKED],
"use a sanitizer"),
sanitizer_cfi_canonical_jump_tables: Option<bool> = (Some(true), parse_opt_bool, [TRACKED],

10
compiler/rustc_session/src/session.rs
View File

@ -17,8 +17,8 @@ use rustc_data_structures::profiling::{SelfProfiler, SelfProfilerRef};
use rustc_data_structures::sync::{
AtomicU64, DynSend, DynSync, Lock, Lrc, OneThread, Ordering::SeqCst,
};
use rustc_errors::annotate_snippet_emitter_writer::AnnotateSnippetEmitterWriter;
use rustc_errors::emitter::{DynEmitter, EmitterWriter, HumanReadableErrorType};
use rustc_errors::annotate_snippet_emitter_writer::AnnotateSnippetEmitter;
use rustc_errors::emitter::{DynEmitter, HumanEmitter, HumanReadableErrorType};
use rustc_errors::json::JsonEmitter;
use rustc_errors::registry::Registry;
use rustc_errors::{
@ -1000,7 +1000,7 @@ fn default_emitter(
let (short, color_config) = kind.unzip();
if let HumanReadableErrorType::AnnotateSnippet(_) = kind {
let emitter = AnnotateSnippetEmitterWriter::new(
let emitter = AnnotateSnippetEmitter::new(
Some(source_map),
bundle,
fallback_bundle,
@ -1009,7 +1009,7 @@ fn default_emitter(
);
Box::new(emitter.ui_testing(sopts.unstable_opts.ui_testing))
} else {
let emitter = EmitterWriter::stderr(color_config, fallback_bundle)
let emitter = HumanEmitter::stderr(color_config, fallback_bundle)
.fluent_bundle(bundle)
.sm(Some(source_map))
.short_message(short)
@ -1504,7 +1504,7 @@ fn mk_emitter(output: ErrorOutputType) -> Box<DynEmitter> {
let emitter: Box<DynEmitter> = match output {
config::ErrorOutputType::HumanReadable(kind) => {
let (short, color_config) = kind.unzip();
Box::new(EmitterWriter::stderr(color_config, fallback_bundle).short_message(short))
Box::new(HumanEmitter::stderr(color_config, fallback_bundle).short_message(short))
}
config::ErrorOutputType::Json { pretty, json_rendered } => Box::new(JsonEmitter::basic(
pretty,

2
compiler/rustc_symbol_mangling/src/errors.rs
View File

@ -19,7 +19,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for TestOutput {
#[allow(rustc::untranslatable_diagnostic)]
let mut diag = DiagnosticBuilder::new(dcx, level, format!("{kind}({content})"));
diag.set_span(span);
diag.span(span);
diag
}
}

17
compiler/rustc_trait_selection/src/errors.rs
View File

@ -66,12 +66,9 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for NegativePositiveConflict<'_
) -> rustc_errors::DiagnosticBuilder<'_, G> {
let mut diag =
DiagnosticBuilder::new(dcx, level, fluent::trait_selection_negative_positive_conflict);
diag.set_arg("trait_desc", self.trait_desc.print_only_trait_path().to_string());
diag.set_arg(
"self_desc",
self.self_ty.map_or_else(|| "none".to_string(), |ty| ty.to_string()),
);
diag.set_span(self.impl_span);
diag.arg("trait_desc", self.trait_desc.print_only_trait_path().to_string());
diag.arg("self_desc", self.self_ty.map_or_else(|| "none".to_string(), |ty| ty.to_string()));
diag.span(self.impl_span);
diag.code(rustc_errors::error_code!(E0751));
match self.negative_impl_span {
Ok(span) => {
@ -79,7 +76,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for NegativePositiveConflict<'_
}
Err(cname) => {
diag.note(fluent::trait_selection_negative_implementation_in_crate);
diag.set_arg("negative_impl_cname", cname.to_string());
diag.arg("negative_impl_cname", cname.to_string());
}
}
match self.positive_impl_span {
@ -88,7 +85,7 @@ impl<G: EmissionGuarantee> IntoDiagnostic<'_, G> for NegativePositiveConflict<'_
}
Err(cname) => {
diag.note(fluent::trait_selection_positive_implementation_in_crate);
diag.set_arg("positive_impl_cname", cname.to_string());
diag.arg("positive_impl_cname", cname.to_string());
}
}
diag
@ -115,7 +112,7 @@ impl AddToDiagnostic for AdjustSignatureBorrow {
{
match self {
AdjustSignatureBorrow::Borrow { to_borrow } => {
diag.set_arg("len", to_borrow.len());
diag.arg("len", to_borrow.len());
diag.multipart_suggestion_verbose(
fluent::trait_selection_adjust_signature_borrow,
to_borrow,
@ -123,7 +120,7 @@ impl AddToDiagnostic for AdjustSignatureBorrow {
);
}
AdjustSignatureBorrow::RemoveBorrow { remove_borrow } => {
diag.set_arg("len", remove_borrow.len());
diag.arg("len", remove_borrow.len());
diag.multipart_suggestion_verbose(
fluent::trait_selection_adjust_signature_remove_borrow,
remove_borrow,

112
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View File

@ -19,11 +19,10 @@ use rustc_errors::{
use rustc_hir as hir;
use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::DefId;
use rustc_hir::intravisit::Visitor;
use rustc_hir::intravisit::{Map, Visitor};
use rustc_hir::is_range_literal;
use rustc_hir::lang_items::LangItem;
use rustc_hir::{CoroutineDesugaring, CoroutineKind, CoroutineSource, Node};
use rustc_hir::{Expr, HirId};
use rustc_hir::{CoroutineDesugaring, CoroutineKind, CoroutineSource, Expr, HirId, Node};
use rustc_infer::infer::error_reporting::TypeErrCtxt;
use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
use rustc_infer::infer::{BoundRegionConversionTime, DefineOpaqueTypes, InferOk};
@ -2008,7 +2007,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
};
err.code(error_code!(E0746));
err.set_primary_message("return type cannot have an unboxed trait object");
err.primary_message("return type cannot have an unboxed trait object");
err.children.clear();
let span = obligation.cause.span;
@ -2713,7 +2712,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
if name == sym::Send { ("`Send`", "sent") } else { ("`Sync`", "shared") };
err.clear_code();
err.set_primary_message(format!(
err.primary_message(format!(
"{future_or_coroutine} cannot be {trait_verb} between threads safely"
));
@ -2801,7 +2800,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
.unwrap_or_else(|| format!("{future_or_coroutine} is not {trait_name}"));
span.push_span_label(original_span, message);
err.set_span(span);
err.span(span);
format!("is not {trait_name}")
} else {
@ -3200,35 +3199,80 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
err.help("unsized locals are gated as an unstable feature");
}
}
ObligationCauseCode::SizedArgumentType(ty_span) => {
if let Some(span) = ty_span {
if let ty::PredicateKind::Clause(clause) = predicate.kind().skip_binder()
&& let ty::ClauseKind::Trait(trait_pred) = clause
&& let ty::Dynamic(..) = trait_pred.self_ty().kind()
{
let span = if let Ok(snippet) =
self.tcx.sess.source_map().span_to_snippet(span)
&& snippet.starts_with("dyn ")
{
let pos = snippet.len() - snippet[3..].trim_start().len();
span.with_hi(span.lo() + BytePos(pos as u32))
} else {
span.shrink_to_lo()
};
err.span_suggestion_verbose(
span,
"you can use `impl Trait` as the argument type",
"impl ".to_string(),
Applicability::MaybeIncorrect,
);
ObligationCauseCode::SizedArgumentType(hir_id) => {
let mut ty = None;
let borrowed_msg = "function arguments must have a statically known size, borrowed \
types always have a known size";
if let Some(hir_id) = hir_id
&& let Some(hir::Node::Param(param)) = self.tcx.hir().find(hir_id)
&& let Some(item) = self.tcx.hir().find_parent(hir_id)
&& let Some(decl) = item.fn_decl()
&& let Some(t) = decl.inputs.iter().find(|t| param.ty_span.contains(t.span))
{
// We use `contains` because the type might be surrounded by parentheses,
// which makes `ty_span` and `t.span` disagree with each other, but one
// fully contains the other: `foo: (dyn Foo + Bar)`
// ^-------------^
// ||
// |t.span
// param._ty_span
ty = Some(t);
} else if let Some(hir_id) = hir_id
&& let Some(hir::Node::Ty(t)) = self.tcx.hir().find(hir_id)
{
ty = Some(t);
}
if let Some(ty) = ty {
match ty.kind {
hir::TyKind::TraitObject(traits, _, _) => {
let (span, kw) = match traits {
[first, ..] if first.span.lo() == ty.span.lo() => {
// Missing `dyn` in front of trait object.
(ty.span.shrink_to_lo(), "dyn ")
}
[first, ..] => (ty.span.until(first.span), ""),
[] => span_bug!(ty.span, "trait object with no traits: {ty:?}"),
};
let needs_parens = traits.len() != 1;
err.span_suggestion_verbose(
span,
"you can use `impl Trait` as the argument type",
"impl ".to_string(),
Applicability::MaybeIncorrect,
);
let sugg = if !needs_parens {
vec![(span.shrink_to_lo(), format!("&{kw}"))]
} else {
vec![
(span.shrink_to_lo(), format!("&({kw}")),
(ty.span.shrink_to_hi(), ")".to_string()),
]
};
err.multipart_suggestion_verbose(
borrowed_msg,
sugg,
Applicability::MachineApplicable,
);
}
hir::TyKind::Slice(_ty) => {
err.span_suggestion_verbose(
ty.span.shrink_to_lo(),
"function arguments must have a statically known size, borrowed \
slices always have a known size",
"&",
Applicability::MachineApplicable,
);
}
hir::TyKind::Path(_) => {
err.span_suggestion_verbose(
ty.span.shrink_to_lo(),
borrowed_msg,
"&",
Applicability::MachineApplicable,
);
}
_ => {}
}
err.span_suggestion_verbose(
span.shrink_to_lo(),
"function arguments must have a statically known size, borrowed types \
always have a known size",
"&",
Applicability::MachineApplicable,
);
} else {
err.note("all function arguments must have a statically known size");
}

8
compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
View File

@ -816,7 +816,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
ty::PredicateKind::ObjectSafe(trait_def_id) => {
let violations = self.tcx.object_safety_violations(trait_def_id);
report_object_safety_error(self.tcx, span, trait_def_id, violations)
report_object_safety_error(self.tcx, span, None, trait_def_id, violations)
}
ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(ty)) => {
@ -924,7 +924,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
TraitNotObjectSafe(did) => {
let violations = self.tcx.object_safety_violations(did);
report_object_safety_error(self.tcx, span, did, violations)
report_object_safety_error(self.tcx, span, None, did, violations)
}
SelectionError::NotConstEvaluatable(NotConstEvaluatable::MentionsInfer) => {
@ -3163,14 +3163,14 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> {
) {
match obligation_cause_code {
ObligationCauseCode::RustCall => {
err.set_primary_message("functions with the \"rust-call\" ABI must take a single non-self tuple argument");
err.primary_message("functions with the \"rust-call\" ABI must take a single non-self tuple argument");
}
ObligationCauseCode::BindingObligation(def_id, _)
| ObligationCauseCode::ItemObligation(def_id)
if self.tcx.is_fn_trait(*def_id) =>
{
err.code(rustc_errors::error_code!(E0059));
err.set_primary_message(format!(
err.primary_message(format!(
"type parameter to bare `{}` trait must be a tuple",
self.tcx.def_path_str(*def_id)
));

2
library/core/src/intrinsics.rs
View File

@ -947,7 +947,7 @@ extern "rust-intrinsic" {
/// own, or if it does not enable any significant optimizations.
///
/// This intrinsic does not have a stable counterpart.
#[rustc_const_unstable(feature = "const_assume", issue = "76972")]
#[rustc_const_stable(feature = "const_assume", since = "CURRENT_RUSTC_VERSION")]
#[rustc_nounwind]
pub fn assume(b: bool);

1
library/core/src/lib.rs
View File

@ -119,7 +119,6 @@
#![feature(const_arguments_as_str)]
#![feature(const_array_from_ref)]
#![feature(const_array_into_iter_constructors)]
#![feature(const_assume)]
#![feature(const_bigint_helper_methods)]
#![feature(const_black_box)]
#![feature(const_caller_location)]

1
library/core/tests/lib.rs
View File

@ -9,7 +9,6 @@
#![feature(bigint_helper_methods)]
#![feature(cell_update)]
#![feature(const_align_offset)]
#![feature(const_assume)]
#![feature(const_align_of_val_raw)]
#![feature(const_black_box)]
#![feature(const_caller_location)]

2
src/bootstrap/src/core/build_steps/test.rs
View File

@ -1976,7 +1976,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the
}
if builder.config.profiler_enabled(target) {
cmd.env("RUSTC_PROFILER_SUPPORT", "1");
cmd.arg("--profiler-support");
}
cmd.env("RUST_TEST_TMPDIR", builder.tempdir());

2
src/doc/rustc/src/platform-support.md
View File

@ -151,7 +151,6 @@ target | std | notes
`i586-pc-windows-msvc` | * | 32-bit Windows w/o SSE [^x86_32-floats-x87]
`i586-unknown-linux-gnu` | ✓ | 32-bit Linux w/o SSE (kernel 3.2, glibc 2.17) [^x86_32-floats-x87]
`i586-unknown-linux-musl` | ✓ | 32-bit Linux w/o SSE, MUSL [^x86_32-floats-x87]
[`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | 32-bit x86, restricted to Pentium
[`i686-linux-android`](platform-support/android.md) | ✓ | 32-bit x86 Android [^x86_32-floats-return-ABI]
`i686-unknown-freebsd` | ✓ | 32-bit FreeBSD [^x86_32-floats-return-ABI]
`i686-unknown-linux-musl` | ✓ | 32-bit Linux with MUSL [^x86_32-floats-return-ABI]
@ -272,6 +271,7 @@ target | std | host | notes
`hexagon-unknown-linux-musl` | ? | |
`i386-apple-ios` | ✓ | | 32-bit x86 iOS [^x86_32-floats-return-ABI]
[`i586-pc-nto-qnx700`](platform-support/nto-qnx.md) | * | | 32-bit x86 QNX Neutrino 7.0 RTOS [^x86_32-floats-return-ABI]
[`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | | 32-bit x86, restricted to Pentium
`i686-apple-darwin` | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+) [^x86_32-floats-return-ABI]
`i686-pc-windows-msvc` | * | | 32-bit Windows XP support [^x86_32-floats-return-ABI]
[`i686-pc-windows-gnullvm`](platform-support/pc-windows-gnullvm.md) | ✓ | ✓ | [^x86_32-floats-return-ABI]

4
src/librustdoc/core.rs
View File

@ -1,7 +1,7 @@
use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_data_structures::sync::Lrc;
use rustc_data_structures::unord::UnordSet;
use rustc_errors::emitter::{DynEmitter, EmitterWriter};
use rustc_errors::emitter::{DynEmitter, HumanEmitter};
use rustc_errors::json::JsonEmitter;
use rustc_errors::TerminalUrl;
use rustc_feature::UnstableFeatures;
@ -138,7 +138,7 @@ pub(crate) fn new_dcx(
ErrorOutputType::HumanReadable(kind) => {
let (short, color_config) = kind.unzip();
Box::new(
EmitterWriter::stderr(color_config, fallback_bundle)
HumanEmitter::stderr(color_config, fallback_bundle)
.sm(source_map.map(|sm| sm as _))
.short_message(short)
.teach(unstable_opts.teach)

10
src/librustdoc/doctest.rs
View File

@ -557,7 +557,7 @@ pub(crate) fn make_test(
// crate already is included.
let result = rustc_driver::catch_fatal_errors(|| {
rustc_span::create_session_if_not_set_then(edition, |_| {
use rustc_errors::emitter::{Emitter, EmitterWriter};
use rustc_errors::emitter::{Emitter, HumanEmitter};
use rustc_errors::DiagCtxt;
use rustc_parse::parser::ForceCollect;
use rustc_span::source_map::FilePathMapping;
@ -572,11 +572,11 @@ pub(crate) fn make_test(
rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(),
false,
);
supports_color = EmitterWriter::stderr(ColorConfig::Auto, fallback_bundle.clone())
supports_color = HumanEmitter::stderr(ColorConfig::Auto, fallback_bundle.clone())
.diagnostic_width(Some(80))
.supports_color();
let emitter = EmitterWriter::new(Box::new(io::sink()), fallback_bundle);
let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle);
// FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser
let dcx = DiagCtxt::with_emitter(Box::new(emitter)).disable_warnings();
@ -739,7 +739,7 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool {
}
rustc_driver::catch_fatal_errors(|| {
rustc_span::create_session_if_not_set_then(edition, |_| {
use rustc_errors::emitter::EmitterWriter;
use rustc_errors::emitter::HumanEmitter;
use rustc_errors::DiagCtxt;
use rustc_span::source_map::FilePathMapping;
@ -752,7 +752,7 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool {
false,
);
let emitter = EmitterWriter::new(Box::new(io::sink()), fallback_bundle);
let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle);
let dcx = DiagCtxt::with_emitter(Box::new(emitter)).disable_warnings();
let sess = ParseSess::with_dcx(dcx, sm);

52
src/librustdoc/html/render/span_map.rs
View File

@ -154,6 +154,28 @@ impl<'tcx> SpanMapVisitor<'tcx> {
self.matches.insert(new_span, link_from_src);
true
}
fn handle_call(&mut self, hir_id: HirId, expr_hir_id: Option<HirId>, span: Span) {
let hir = self.tcx.hir();
let body_id = hir.enclosing_body_owner(hir_id);
// FIXME: this is showing error messages for parts of the code that are not
// compiled (because of cfg)!
//
// See discussion in https://github.com/rust-lang/rust/issues/69426#issuecomment-1019412352
let typeck_results = self
.tcx
.typeck_body(hir.maybe_body_owned_by(body_id).expect("a body which isn't a body"));
// Interestingly enough, for method calls, we need the whole expression whereas for static
// method/function calls, we need the call expression specifically.
if let Some(def_id) = typeck_results.type_dependent_def_id(expr_hir_id.unwrap_or(hir_id)) {
let link = if def_id.as_local().is_some() {
LinkFromSrc::Local(rustc_span(def_id, self.tcx))
} else {
LinkFromSrc::External(def_id)
};
self.matches.insert(span, link);
}
}
}
impl<'tcx> Visitor<'tcx> for SpanMapVisitor<'tcx> {
@ -191,27 +213,17 @@ impl<'tcx> Visitor<'tcx> for SpanMapVisitor<'tcx> {
}
fn visit_expr(&mut self, expr: &'tcx rustc_hir::Expr<'tcx>) {
if let ExprKind::MethodCall(segment, ..) = expr.kind {
let hir = self.tcx.hir();
let body_id = hir.enclosing_body_owner(segment.hir_id);
// FIXME: this is showing error messages for parts of the code that are not
// compiled (because of cfg)!
//
// See discussion in https://github.com/rust-lang/rust/issues/69426#issuecomment-1019412352
let typeck_results = self
.tcx
.typeck_body(hir.maybe_body_owned_by(body_id).expect("a body which isn't a body"));
if let Some(def_id) = typeck_results.type_dependent_def_id(expr.hir_id) {
let link = if def_id.as_local().is_some() {
LinkFromSrc::Local(rustc_span(def_id, self.tcx))
} else {
LinkFromSrc::External(def_id)
};
self.matches.insert(segment.ident.span, link);
match expr.kind {
ExprKind::MethodCall(segment, ..) => {
self.handle_call(segment.hir_id, Some(expr.hir_id), segment.ident.span)
}
ExprKind::Call(call, ..) => self.handle_call(call.hir_id, None, call.span),
_ => {
if self.handle_macro(expr.span) {
// We don't want to go deeper into the macro.
return;
}
}
} else if self.handle_macro(expr.span) {
// We don't want to go deeper into the macro.
return;
}
intravisit::walk_expr(self, expr);
}

2
src/librustdoc/passes/collect_intra_doc_links.rs
View File

@ -1733,7 +1733,7 @@ fn report_diagnostic(
};
if let Some(sp) = span {
lint.set_span(sp);
lint.span(sp);
} else {
// blah blah blah\nblah\nblah [blah] blah blah\nblah blah
// ^ ~~~~

4
src/tools/clippy/clippy_lints/src/doc/needless_doctest_main.rs
View File

@ -5,7 +5,7 @@ use crate::doc::{NEEDLESS_DOCTEST_MAIN, TEST_ATTR_IN_DOCTEST};
use clippy_utils::diagnostics::span_lint;
use rustc_ast::{CoroutineKind, Fn, FnRetTy, Item, ItemKind};
use rustc_data_structures::sync::Lrc;
use rustc_errors::emitter::EmitterWriter;
use rustc_errors::emitter::HumanEmitter;
use rustc_errors::DiagCtxt;
use rustc_lint::LateContext;
use rustc_parse::maybe_new_parser_from_source_str;
@ -44,7 +44,7 @@ pub fn check(
let fallback_bundle =
rustc_errors::fallback_fluent_bundle(rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), false);
let emitter = EmitterWriter::new(Box::new(io::sink()), fallback_bundle);
let emitter = HumanEmitter::new(Box::new(io::sink()), fallback_bundle);
let dcx = DiagCtxt::with_emitter(Box::new(emitter)).disable_warnings();
#[expect(clippy::arc_with_non_send_sync)] // `Lrc` is expected by with_dcx
let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));

2
src/tools/clippy/tests/ui/crashes/ice-6251.stderr
View File

@ -6,7 +6,7 @@ LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: [u8]| x }]> {
|
= help: the trait `std::marker::Sized` is not implemented for `[u8]`
= help: unsized fn params are gated as an unstable feature
help: function arguments must have a statically known size, borrowed types always have a known size
help: function arguments must have a statically known size, borrowed slices always have a known size
|
LL | fn bug<T>() -> impl Iterator<Item = [(); { |x: &[u8]| x }]> {
| +

4
src/tools/compiletest/src/common.rs
View File

@ -387,6 +387,10 @@ pub struct Config {
// Needed both to construct build_helper::git::GitConfig
pub git_repository: String,
pub nightly_branch: String,
/// True if the profiler runtime is enabled for this target.
/// Used by the "needs-profiler-support" header in test files.
pub profiler_support: bool,
}
impl Config {

34
src/tools/compiletest/src/header.rs
View File

@ -178,6 +178,9 @@ pub struct TestProps {
// Whether to tell `rustc` to remap the "src base" directory to a fake
// directory.
pub remap_src_base: bool,
/// Extra flags to pass to `llvm-cov` when producing coverage reports.
/// Only used by the "coverage-run" test mode.
pub llvm_cov_flags: Vec<String>,
}
mod directives {
@ -216,6 +219,7 @@ mod directives {
pub const MIR_UNIT_TEST: &'static str = "unit-test";
pub const REMAP_SRC_BASE: &'static str = "remap-src-base";
pub const COMPARE_OUTPUT_LINES_BY_SUBSET: &'static str = "compare-output-lines-by-subset";
pub const LLVM_COV_FLAGS: &'static str = "llvm-cov-flags";
// This isn't a real directive, just one that is probably mistyped often
pub const INCORRECT_COMPILER_FLAGS: &'static str = "compiler-flags";
}
@ -265,6 +269,7 @@ impl TestProps {
stderr_per_bitwidth: false,
mir_unit_test: None,
remap_src_base: false,
llvm_cov_flags: vec![],
}
}
@ -321,16 +326,23 @@ impl TestProps {
|r| r,
);
if let Some(flags) = config.parse_name_value_directive(ln, COMPILE_FLAGS) {
self.compile_flags.extend(
flags
.split("'")
.enumerate()
.flat_map(|(i, f)| {
fn split_flags(flags: &str) -> Vec<String> {
// Individual flags can be single-quoted to preserve spaces; see
// <https://github.com/rust-lang/rust/pull/115948/commits/957c5db6>.
flags
.split("'")
.enumerate()
.flat_map(
|(i, f)| {
if i % 2 == 1 { vec![f] } else { f.split_whitespace().collect() }
})
.map(|s| s.to_owned()),
);
},
)
.map(move |s| s.to_owned())
.collect::<Vec<_>>()
}
if let Some(flags) = config.parse_name_value_directive(ln, COMPILE_FLAGS) {
self.compile_flags.extend(split_flags(&flags));
}
if config.parse_name_value_directive(ln, INCORRECT_COMPILER_FLAGS).is_some() {
panic!("`compiler-flags` directive should be spelled `compile-flags`");
@ -488,6 +500,10 @@ impl TestProps {
COMPARE_OUTPUT_LINES_BY_SUBSET,
&mut self.compare_output_lines_by_subset,
);
if let Some(flags) = config.parse_name_value_directive(ln, LLVM_COV_FLAGS) {
self.llvm_cov_flags.extend(split_flags(&flags));
}
});
}

13
src/tools/compiletest/src/header/cfg.rs
View File

@ -1,4 +1,4 @@
use crate::common::{CompareMode, Config, Debugger};
use crate::common::{CompareMode, Config, Debugger, Mode};
use crate::header::IgnoreDecision;
use std::collections::HashSet;
@ -208,6 +208,17 @@ pub(super) fn parse_cfg_name_directive<'a>(
},
message: "when comparing with {name}",
}
// Coverage tests run the same test file in multiple modes.
// If a particular test should not be run in one of the modes, ignore it
// with "ignore-mode-coverage-map" or "ignore-mode-coverage-run".
condition! {
name: format!("mode-{}", config.mode.to_str()),
allowed_names: ContainsPrefixed {
prefix: "mode-",
inner: Mode::STR_VARIANTS,
},
message: "when the test mode is {name}",
}
if prefix == "ignore" && outcome == MatchOutcome::Invalid {
// Don't error out for ignore-tidy-* diretives, as those are not handled by compiletest.

2
src/tools/compiletest/src/header/needs.rs
View File

@ -238,7 +238,7 @@ impl CachedNeedsConditions {
sanitizer_memtag: sanitizers.contains(&Sanitizer::Memtag),
sanitizer_shadow_call_stack: sanitizers.contains(&Sanitizer::ShadowCallStack),
sanitizer_safestack: sanitizers.contains(&Sanitizer::Safestack),
profiler_support: std::env::var_os("RUSTC_PROFILER_SUPPORT").is_some(),
profiler_support: config.profiler_support,
xray: config.target_cfg().xray,
// For tests using the `needs-rust-lld` directive (e.g. for `-Clink-self-contained=+linker`),

44
src/tools/compiletest/src/header/tests.rs
View File

@ -1,7 +1,8 @@
use std::io::Read;
use std::path::Path;
use std::str::FromStr;
use crate::common::{Config, Debugger};
use crate::common::{Config, Debugger, Mode};
use crate::header::{parse_normalization_string, EarlyProps, HeadersCache};
fn make_test_description<R: Read>(
@ -55,6 +56,7 @@ fn test_parse_normalization_string() {
#[derive(Default)]
struct ConfigBuilder {
mode: Option<String>,
channel: Option<String>,
host: Option<String>,
target: Option<String>,
@ -62,9 +64,15 @@ struct ConfigBuilder {
llvm_version: Option<String>,
git_hash: bool,
system_llvm: bool,
profiler_support: bool,
}
impl ConfigBuilder {
fn mode(&mut self, s: &str) -> &mut Self {
self.mode = Some(s.to_owned());
self
}
fn channel(&mut self, s: &str) -> &mut Self {
self.channel = Some(s.to_owned());
self
@ -100,10 +108,16 @@ impl ConfigBuilder {
self
}
fn profiler_support(&mut self, s: bool) -> &mut Self {
self.profiler_support = s;
self
}
fn build(&mut self) -> Config {
let args = &[
"compiletest",
"--mode=ui",
"--mode",
self.mode.as_deref().unwrap_or("ui"),
"--suite=ui",
"--compile-lib-path=",
"--run-lib-path=",
@ -142,6 +156,9 @@ impl ConfigBuilder {
if self.system_llvm {
args.push("--system-llvm".to_owned());
}
if self.profiler_support {
args.push("--profiler-support".to_owned());
}
args.push("--rustc-path".to_string());
// This is a subtle/fragile thing. On rust-lang CI, there is no global
@ -340,6 +357,15 @@ fn sanitizers() {
assert!(check_ignore(&config, "// needs-sanitizer-thread"));
}
#[test]
fn profiler_support() {
let config: Config = cfg().profiler_support(false).build();
assert!(check_ignore(&config, "// needs-profiler-support"));
let config: Config = cfg().profiler_support(true).build();
assert!(!check_ignore(&config, "// needs-profiler-support"));
}
#[test]
fn asm_support() {
let asms = [
@ -530,3 +556,17 @@ fn families() {
assert!(!check_ignore(&config, &format!("// ignore-{other}")));
}
}
#[test]
fn ignore_mode() {
for &mode in Mode::STR_VARIANTS {
// Indicate profiler support so that "coverage-run" tests aren't skipped.
let config: Config = cfg().mode(mode).profiler_support(true).build();
let other = if mode == "coverage-run" { "coverage-map" } else { "coverage-run" };
assert_ne!(mode, other);
assert_eq!(config.mode, Mode::from_str(mode).unwrap());
assert_ne!(config.mode, Mode::from_str(other).unwrap());
assert!(check_ignore(&config, &format!("// ignore-mode-{mode}")));
assert!(!check_ignore(&config, &format!("// ignore-mode-{other}")));
}
}

3
src/tools/compiletest/src/lib.rs
View File

@ -142,6 +142,7 @@ pub fn parse_config(args: Vec<String>) -> Config {
.optflag("", "force-rerun", "rerun tests even if the inputs are unchanged")
.optflag("", "only-modified", "only run tests that result been modified")
.optflag("", "nocapture", "")
.optflag("", "profiler-support", "is the profiler runtime enabled for this target")
.optflag("h", "help", "show this message")
.reqopt("", "channel", "current Rust channel", "CHANNEL")
.optflag("", "git-hash", "run tests which rely on commit version being compiled into the binaries")
@ -315,6 +316,8 @@ pub fn parse_config(args: Vec<String>) -> Config {
git_repository: matches.opt_str("git-repository").unwrap(),
nightly_branch: matches.opt_str("nightly-branch").unwrap(),
profiler_support: matches.opt_present("profiler-support"),
}
}

2
src/tools/compiletest/src/runtest.rs
View File

@ -575,6 +575,8 @@ impl<'test> TestCx<'test> {
cmd.arg("--object");
cmd.arg(bin);
}
cmd.args(&self.props.llvm_cov_flags);
});
if !proc_res.status.success() {
self.fatal_proc_rec("llvm-cov show failed!", &proc_res);

4
src/tools/miri/src/diagnostics.rs
View File

@ -454,12 +454,12 @@ pub fn report_msg<'tcx>(
let span = stacktrace.first().map_or(DUMMY_SP, |fi| fi.span);
let sess = machine.tcx.sess;
let level = match diag_level {
DiagLevel::Error => Level::Error { lint: false },
DiagLevel::Error => Level::Error,
DiagLevel::Warning => Level::Warning(None),
DiagLevel::Note => Level::Note,
};
let mut err = DiagnosticBuilder::<()>::new(sess.dcx(), level, title);
err.set_span(span);
err.span(span);
// Show main message.
if span != DUMMY_SP {

4
src/tools/rustfmt/src/parse/session.rs
View File

@ -2,7 +2,7 @@ use std::path::Path;
use std::sync::atomic::{AtomicBool, Ordering};
use rustc_data_structures::sync::{IntoDynSyncSend, Lrc};
use rustc_errors::emitter::{DynEmitter, Emitter, EmitterWriter};
use rustc_errors::emitter::{DynEmitter, Emitter, HumanEmitter};
use rustc_errors::translation::Translate;
use rustc_errors::{ColorConfig, DiagCtxt, Diagnostic, Level as DiagnosticLevel};
use rustc_session::parse::ParseSess as RawParseSess;
@ -139,7 +139,7 @@ fn default_dcx(
rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(),
false,
);
Box::new(EmitterWriter::stderr(emit_color, fallback_bundle).sm(Some(source_map.clone())))
Box::new(HumanEmitter::stderr(emit_color, fallback_bundle).sm(Some(source_map.clone())))
};
DiagCtxt::with_emitter(Box::new(SilentOnIgnoredFilesEmitter {
has_non_ignorable_parser_errors: false,

13
tests/coverage/color.coverage Normal file
View File

@ -0,0 +1,13 @@
LL| |// edition: 2021
LL| |// ignore-mode-coverage-map
LL| |// ignore-windows
LL| |// llvm-cov-flags: --use-color
LL| |
LL| |// Verify that telling `llvm-cov` to use colored output actually works.
LL| |// Ignored on Windows because we can't tell the tool to use ANSI escapes.
LL| |
LL| 1|fn main() {
LL| 1| for _i in 0..0 {}
^0 ^0
LL| 1|}

11
tests/coverage/color.rs Normal file
View File

@ -0,0 +1,11 @@
// edition: 2021
// ignore-mode-coverage-map
// ignore-windows
// llvm-cov-flags: --use-color
// Verify that telling `llvm-cov` to use colored output actually works.
// Ignored on Windows because we can't tell the tool to use ANSI escapes.
fn main() {
for _i in 0..0 {}
}

4
tests/coverage/ignore_map.coverage Normal file
View File

@ -0,0 +1,4 @@
LL| |// ignore-mode-coverage-map
LL| |
LL| 1|fn main() {}

3
tests/coverage/ignore_map.rs Normal file
View File

@ -0,0 +1,3 @@
// ignore-mode-coverage-map
fn main() {}

8
tests/coverage/ignore_run.cov-map Normal file
View File

@ -0,0 +1,8 @@
Function name: ignore_run::main
Raw bytes (9): 0x[01, 01, 00, 01, 01, 03, 01, 00, 0d]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Counter(0)) at (prev + 3, 1) to (start + 0, 13)

3
tests/coverage/ignore_run.rs Normal file
View File

@ -0,0 +1,3 @@
// ignore-mode-coverage-run
fn main() {}

8
tests/mir-opt/copy-prop/custom_move_arg.f.CopyProp.panic-unwind.diff
View File

@ -8,14 +8,14 @@
bb0: {
- _2 = _1;
- _0 = opaque::<NotCopy>(move _1) -> [return: bb1, unwind continue];
+ _0 = opaque::<NotCopy>(_1) -> [return: bb1, unwind continue];
- _0 = opaque::<NotCopy>(move _1) -> [return: bb1, unwind unreachable];
+ _0 = opaque::<NotCopy>(_1) -> [return: bb1, unwind unreachable];
}
bb1: {
- _3 = move _2;
- _0 = opaque::<NotCopy>(_3) -> [return: bb2, unwind continue];
+ _0 = opaque::<NotCopy>(_1) -> [return: bb2, unwind continue];
- _0 = opaque::<NotCopy>(_3) -> [return: bb2, unwind unreachable];
+ _0 = opaque::<NotCopy>(_1) -> [return: bb2, unwind unreachable];
}
bb2: {

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