1use std::borrow::Cow;
2use std::fmt::Write;
3
4use either::Either;
5use rustc_abi::WrappingRange;
6use rustc_errors::codes::*;
7use rustc_errors::{
8 Diag, DiagArgValue, DiagMessage, Diagnostic, EmissionGuarantee, Level, MultiSpan, Subdiagnostic,
9};
10use rustc_hir::ConstContext;
11use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic};
12use rustc_middle::mir::interpret::{
13 CtfeProvenance, ExpectedKind, InterpErrorKind, InvalidMetaKind, InvalidProgramInfo,
14 Misalignment, Pointer, PointerKind, ResourceExhaustionInfo, UndefinedBehaviorInfo,
15 UnsupportedOpInfo, ValidationErrorInfo,
16};
17use rustc_middle::ty::{self, Mutability, Ty};
18use rustc_span::{Span, Symbol};
19
20use crate::fluent_generated as fluent;
21use crate::interpret::InternKind;
22
23#[derive(Diagnostic)]
24#[diag(const_eval_dangling_ptr_in_final)]
25pub(crate) struct DanglingPtrInFinal {
26 #[primary_span]
27 pub span: Span,
28 pub kind: InternKind,
29}
30
31#[derive(Diagnostic)]
32#[diag(const_eval_nested_static_in_thread_local)]
33pub(crate) struct NestedStaticInThreadLocal {
34 #[primary_span]
35 pub span: Span,
36}
37
38#[derive(Diagnostic)]
39#[diag(const_eval_mutable_ptr_in_final)]
40pub(crate) struct MutablePtrInFinal {
41 #[primary_span]
42 pub span: Span,
43 pub kind: InternKind,
44}
45
46#[derive(Diagnostic)]
47#[diag(const_eval_unstable_in_stable_exposed)]
48pub(crate) struct UnstableInStableExposed {
49 pub gate: String,
50 #[primary_span]
51 pub span: Span,
52 #[help(const_eval_is_function_call)]
53 pub is_function_call: bool,
54 pub is_function_call2: bool,
56 #[suggestion(
57 const_eval_unstable_sugg,
58 code = "#[rustc_const_unstable(feature = \"...\", issue = \"...\")]\n",
59 applicability = "has-placeholders"
60 )]
61 pub attr_span: Span,
62}
63
64#[derive(Diagnostic)]
65#[diag(const_eval_thread_local_access, code = E0625)]
66pub(crate) struct ThreadLocalAccessErr {
67 #[primary_span]
68 pub span: Span,
69}
70
71#[derive(Diagnostic)]
72#[diag(const_eval_raw_ptr_to_int)]
73#[note]
74#[note(const_eval_note2)]
75pub(crate) struct RawPtrToIntErr {
76 #[primary_span]
77 pub span: Span,
78}
79
80#[derive(Diagnostic)]
81#[diag(const_eval_raw_ptr_comparison)]
82#[note]
83pub(crate) struct RawPtrComparisonErr {
84 #[primary_span]
85 pub span: Span,
86}
87
88#[derive(Diagnostic)]
89#[diag(const_eval_panic_non_str)]
90pub(crate) struct PanicNonStrErr {
91 #[primary_span]
92 pub span: Span,
93}
94
95#[derive(Diagnostic)]
96#[diag(const_eval_max_num_nodes_in_const)]
97pub(crate) struct MaxNumNodesInConstErr {
98 #[primary_span]
99 pub span: Option<Span>,
100 pub global_const_id: String,
101}
102
103#[derive(Diagnostic)]
104#[diag(const_eval_unallowed_fn_pointer_call)]
105pub(crate) struct UnallowedFnPointerCall {
106 #[primary_span]
107 pub span: Span,
108 pub kind: ConstContext,
109}
110
111#[derive(Diagnostic)]
112#[diag(const_eval_unstable_const_fn)]
113pub(crate) struct UnstableConstFn {
114 #[primary_span]
115 pub span: Span,
116 pub def_path: String,
117}
118
119#[derive(Diagnostic)]
120#[diag(const_eval_unstable_const_trait)]
121pub(crate) struct UnstableConstTrait {
122 #[primary_span]
123 pub span: Span,
124 pub def_path: String,
125}
126
127#[derive(Diagnostic)]
128#[diag(const_eval_unstable_intrinsic)]
129pub(crate) struct UnstableIntrinsic {
130 #[primary_span]
131 pub span: Span,
132 pub name: Symbol,
133 pub feature: Symbol,
134 #[suggestion(
135 const_eval_unstable_intrinsic_suggestion,
136 code = "#![feature({feature})]\n",
137 applicability = "machine-applicable"
138 )]
139 pub suggestion: Option<Span>,
140 #[help(const_eval_unstable_intrinsic_suggestion)]
141 pub help: bool,
142}
143
144#[derive(Diagnostic)]
145#[diag(const_eval_unmarked_const_item_exposed)]
146#[help]
147pub(crate) struct UnmarkedConstItemExposed {
148 #[primary_span]
149 pub span: Span,
150 pub def_path: String,
151}
152
153#[derive(Diagnostic)]
154#[diag(const_eval_unmarked_intrinsic_exposed)]
155#[help]
156pub(crate) struct UnmarkedIntrinsicExposed {
157 #[primary_span]
158 pub span: Span,
159 pub def_path: String,
160}
161
162#[derive(Diagnostic)]
163#[diag(const_eval_mutable_ref_escaping, code = E0764)]
164pub(crate) struct MutableRefEscaping {
165 #[primary_span]
166 pub span: Span,
167 pub kind: ConstContext,
168 #[note(const_eval_teach_note)]
169 pub teach: bool,
170}
171
172#[derive(Diagnostic)]
173#[diag(const_eval_mutable_raw_escaping, code = E0764)]
174pub(crate) struct MutableRawEscaping {
175 #[primary_span]
176 pub span: Span,
177 pub kind: ConstContext,
178 #[note(const_eval_teach_note)]
179 pub teach: bool,
180}
181#[derive(Diagnostic)]
182#[diag(const_eval_non_const_fmt_macro_call, code = E0015)]
183pub(crate) struct NonConstFmtMacroCall {
184 #[primary_span]
185 pub span: Span,
186 pub kind: ConstContext,
187 pub non_or_conditionally: &'static str,
188}
189
190#[derive(Diagnostic)]
191#[diag(const_eval_non_const_fn_call, code = E0015)]
192pub(crate) struct NonConstFnCall {
193 #[primary_span]
194 pub span: Span,
195 pub def_path_str: String,
196 pub def_descr: &'static str,
197 pub kind: ConstContext,
198 pub non_or_conditionally: &'static str,
199}
200
201#[derive(Diagnostic)]
202#[diag(const_eval_non_const_intrinsic)]
203pub(crate) struct NonConstIntrinsic {
204 #[primary_span]
205 pub span: Span,
206 pub name: Symbol,
207 pub kind: ConstContext,
208}
209
210#[derive(Diagnostic)]
211#[diag(const_eval_unallowed_op_in_const_context)]
212pub(crate) struct UnallowedOpInConstContext {
213 #[primary_span]
214 pub span: Span,
215 pub msg: String,
216}
217
218#[derive(Diagnostic)]
219#[diag(const_eval_unallowed_heap_allocations, code = E0010)]
220pub(crate) struct UnallowedHeapAllocations {
221 #[primary_span]
222 #[label]
223 pub span: Span,
224 pub kind: ConstContext,
225 #[note(const_eval_teach_note)]
226 pub teach: bool,
227}
228
229#[derive(Diagnostic)]
230#[diag(const_eval_unallowed_inline_asm, code = E0015)]
231pub(crate) struct UnallowedInlineAsm {
232 #[primary_span]
233 pub span: Span,
234 pub kind: ConstContext,
235}
236
237#[derive(Diagnostic)]
238#[diag(const_eval_interior_mutable_ref_escaping, code = E0492)]
239pub(crate) struct InteriorMutableRefEscaping {
240 #[primary_span]
241 #[label]
242 pub span: Span,
243 #[help]
244 pub opt_help: bool,
245 pub kind: ConstContext,
246 #[note(const_eval_teach_note)]
247 pub teach: bool,
248}
249
250#[derive(LintDiagnostic)]
251#[diag(const_eval_long_running)]
252#[note]
253pub struct LongRunning {
254 #[help]
255 pub item_span: Span,
256}
257
258#[derive(Diagnostic)]
259#[diag(const_eval_long_running)]
260pub struct LongRunningWarn {
261 #[primary_span]
262 #[label]
263 pub span: Span,
264 #[help]
265 pub item_span: Span,
266 pub force_duplicate: usize,
268}
269
270#[derive(Subdiagnostic)]
271#[note(const_eval_non_const_impl)]
272pub(crate) struct NonConstImplNote {
273 #[primary_span]
274 pub span: Span,
275}
276
277#[derive(Clone)]
278pub struct FrameNote {
279 pub span: Span,
280 pub times: i32,
281 pub where_: &'static str,
282 pub instance: String,
283 pub has_label: bool,
284}
285
286impl Subdiagnostic for FrameNote {
287 fn add_to_diag<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
288 diag.arg("times", self.times);
289 diag.arg("where_", self.where_);
290 diag.arg("instance", self.instance);
291 let mut span: MultiSpan = self.span.into();
292 if self.has_label && !self.span.is_dummy() {
293 span.push_span_label(self.span, fluent::const_eval_frame_note_last);
294 }
295 let msg = diag.eagerly_translate(fluent::const_eval_frame_note);
296 diag.span_note(span, msg);
297 }
298}
299
300#[derive(Subdiagnostic)]
301#[note(const_eval_raw_bytes)]
302pub struct RawBytesNote {
303 pub size: u64,
304 pub align: u64,
305 pub bytes: String,
306}
307
308#[derive(Diagnostic)]
311#[diag(const_eval_non_const_match_eq, code = E0015)]
312#[note]
313pub struct NonConstMatchEq<'tcx> {
314 #[primary_span]
315 pub span: Span,
316 pub ty: Ty<'tcx>,
317 pub kind: ConstContext,
318 pub non_or_conditionally: &'static str,
319}
320
321#[derive(Diagnostic)]
322#[diag(const_eval_non_const_for_loop_into_iter, code = E0015)]
323pub struct NonConstForLoopIntoIter<'tcx> {
324 #[primary_span]
325 pub span: Span,
326 pub ty: Ty<'tcx>,
327 pub kind: ConstContext,
328 pub non_or_conditionally: &'static str,
329}
330
331#[derive(Diagnostic)]
332#[diag(const_eval_non_const_question_branch, code = E0015)]
333pub struct NonConstQuestionBranch<'tcx> {
334 #[primary_span]
335 pub span: Span,
336 pub ty: Ty<'tcx>,
337 pub kind: ConstContext,
338 pub non_or_conditionally: &'static str,
339}
340
341#[derive(Diagnostic)]
342#[diag(const_eval_non_const_question_from_residual, code = E0015)]
343pub struct NonConstQuestionFromResidual<'tcx> {
344 #[primary_span]
345 pub span: Span,
346 pub ty: Ty<'tcx>,
347 pub kind: ConstContext,
348 pub non_or_conditionally: &'static str,
349}
350
351#[derive(Diagnostic)]
352#[diag(const_eval_non_const_try_block_from_output, code = E0015)]
353pub struct NonConstTryBlockFromOutput<'tcx> {
354 #[primary_span]
355 pub span: Span,
356 pub ty: Ty<'tcx>,
357 pub kind: ConstContext,
358 pub non_or_conditionally: &'static str,
359}
360
361#[derive(Diagnostic)]
362#[diag(const_eval_non_const_await, code = E0015)]
363pub struct NonConstAwait<'tcx> {
364 #[primary_span]
365 pub span: Span,
366 pub ty: Ty<'tcx>,
367 pub kind: ConstContext,
368 pub non_or_conditionally: &'static str,
369}
370
371#[derive(Diagnostic)]
372#[diag(const_eval_non_const_closure, code = E0015)]
373pub struct NonConstClosure {
374 #[primary_span]
375 pub span: Span,
376 pub kind: ConstContext,
377 #[subdiagnostic]
378 pub note: Option<NonConstClosureNote>,
379 pub non_or_conditionally: &'static str,
380}
381
382#[derive(Subdiagnostic)]
383pub enum NonConstClosureNote {
384 #[note(const_eval_closure_fndef_not_const)]
385 FnDef {
386 #[primary_span]
387 span: Span,
388 },
389 #[note(const_eval_fn_ptr_call)]
390 FnPtr,
391 #[note(const_eval_closure_call)]
392 Closure,
393}
394
395#[derive(Subdiagnostic)]
396#[multipart_suggestion(const_eval_consider_dereferencing, applicability = "machine-applicable")]
397pub struct ConsiderDereferencing {
398 pub deref: String,
399 #[suggestion_part(code = "{deref}")]
400 pub span: Span,
401 #[suggestion_part(code = "{deref}")]
402 pub rhs_span: Span,
403}
404
405#[derive(Diagnostic)]
406#[diag(const_eval_non_const_operator, code = E0015)]
407pub struct NonConstOperator {
408 #[primary_span]
409 pub span: Span,
410 pub kind: ConstContext,
411 #[subdiagnostic]
412 pub sugg: Option<ConsiderDereferencing>,
413 pub non_or_conditionally: &'static str,
414}
415
416#[derive(Diagnostic)]
417#[diag(const_eval_non_const_deref_coercion, code = E0015)]
418#[note]
419pub struct NonConstDerefCoercion<'tcx> {
420 #[primary_span]
421 pub span: Span,
422 pub ty: Ty<'tcx>,
423 pub kind: ConstContext,
424 pub target_ty: Ty<'tcx>,
425 #[note(const_eval_target_note)]
426 pub deref_target: Option<Span>,
427 pub non_or_conditionally: &'static str,
428}
429
430#[derive(Diagnostic)]
431#[diag(const_eval_live_drop, code = E0493)]
432pub struct LiveDrop<'tcx> {
433 #[primary_span]
434 #[label]
435 pub span: Span,
436 pub kind: ConstContext,
437 pub dropped_ty: Ty<'tcx>,
438 #[label(const_eval_dropped_at_label)]
439 pub dropped_at: Span,
440}
441
442#[derive(Diagnostic)]
443#[diag(const_eval_error, code = E0080)]
444pub struct ConstEvalError {
445 #[primary_span]
446 pub span: Span,
447 pub error_kind: &'static str,
449 pub instance: String,
450 #[subdiagnostic]
451 pub frame_notes: Vec<FrameNote>,
452}
453
454#[derive(Diagnostic)]
455#[diag(const_eval_nullary_intrinsic_fail)]
456pub struct NullaryIntrinsicError {
457 #[primary_span]
458 pub span: Span,
459}
460
461#[derive(Diagnostic)]
462#[diag(const_eval_validation_failure, code = E0080)]
463pub struct ValidationFailure {
464 #[primary_span]
465 pub span: Span,
466 #[note(const_eval_validation_failure_note)]
467 pub ub_note: (),
468 #[subdiagnostic]
469 pub frames: Vec<FrameNote>,
470 #[subdiagnostic]
471 pub raw_bytes: RawBytesNote,
472}
473
474pub trait ReportErrorExt {
475 fn diagnostic_message(&self) -> DiagMessage;
477 fn add_args<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>);
478
479 fn debug(self) -> String
480 where
481 Self: Sized,
482 {
483 ty::tls::with(move |tcx| {
484 let dcx = tcx.dcx();
485 let mut diag = dcx.struct_allow(DiagMessage::Str(String::new().into()));
486 let message = self.diagnostic_message();
487 self.add_args(&mut diag);
488 let s = dcx.eagerly_translate_to_string(message, diag.args.iter());
489 diag.cancel();
490 s
491 })
492 }
493}
494
495impl<'a> ReportErrorExt for UndefinedBehaviorInfo<'a> {
496 fn diagnostic_message(&self) -> DiagMessage {
497 use UndefinedBehaviorInfo::*;
498
499 use crate::fluent_generated::*;
500 match self {
501 Ub(msg) => msg.clone().into(),
502 Custom(x) => (x.msg)(),
503 ValidationError(e) => e.diagnostic_message(),
504
505 Unreachable => const_eval_unreachable,
506 BoundsCheckFailed { .. } => const_eval_bounds_check_failed,
507 DivisionByZero => const_eval_division_by_zero,
508 RemainderByZero => const_eval_remainder_by_zero,
509 DivisionOverflow => const_eval_division_overflow,
510 RemainderOverflow => const_eval_remainder_overflow,
511 PointerArithOverflow => const_eval_pointer_arithmetic_overflow,
512 ArithOverflow { .. } => const_eval_overflow_arith,
513 ShiftOverflow { .. } => const_eval_overflow_shift,
514 InvalidMeta(InvalidMetaKind::SliceTooBig) => const_eval_invalid_meta_slice,
515 InvalidMeta(InvalidMetaKind::TooBig) => const_eval_invalid_meta,
516 UnterminatedCString(_) => const_eval_unterminated_c_string,
517 PointerUseAfterFree(_, _) => const_eval_pointer_use_after_free,
518 PointerOutOfBounds { .. } => const_eval_pointer_out_of_bounds,
519 DanglingIntPointer { addr: 0, .. } => const_eval_dangling_null_pointer,
520 DanglingIntPointer { .. } => const_eval_dangling_int_pointer,
521 AlignmentCheckFailed { .. } => const_eval_alignment_check_failed,
522 WriteToReadOnly(_) => const_eval_write_to_read_only,
523 DerefFunctionPointer(_) => const_eval_deref_function_pointer,
524 DerefVTablePointer(_) => const_eval_deref_vtable_pointer,
525 InvalidBool(_) => const_eval_invalid_bool,
526 InvalidChar(_) => const_eval_invalid_char,
527 InvalidTag(_) => const_eval_invalid_tag,
528 InvalidFunctionPointer(_) => const_eval_invalid_function_pointer,
529 InvalidVTablePointer(_) => const_eval_invalid_vtable_pointer,
530 InvalidVTableTrait { .. } => const_eval_invalid_vtable_trait,
531 InvalidStr(_) => const_eval_invalid_str,
532 InvalidUninitBytes(None) => const_eval_invalid_uninit_bytes_unknown,
533 InvalidUninitBytes(Some(_)) => const_eval_invalid_uninit_bytes,
534 DeadLocal => const_eval_dead_local,
535 ScalarSizeMismatch(_) => const_eval_scalar_size_mismatch,
536 UninhabitedEnumVariantWritten(_) => const_eval_uninhabited_enum_variant_written,
537 UninhabitedEnumVariantRead(_) => const_eval_uninhabited_enum_variant_read,
538 InvalidNichedEnumVariantWritten { .. } => {
539 const_eval_invalid_niched_enum_variant_written
540 }
541 AbiMismatchArgument { .. } => const_eval_incompatible_types,
542 AbiMismatchReturn { .. } => const_eval_incompatible_return_types,
543 }
544 }
545
546 fn add_args<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
547 use UndefinedBehaviorInfo::*;
548 match self {
549 Ub(_) => {}
550 Custom(custom) => {
551 (custom.add_args)(&mut |name, value| {
552 diag.arg(name, value);
553 });
554 }
555 ValidationError(e) => e.add_args(diag),
556
557 Unreachable
558 | DivisionByZero
559 | RemainderByZero
560 | DivisionOverflow
561 | RemainderOverflow
562 | PointerArithOverflow
563 | InvalidMeta(InvalidMetaKind::SliceTooBig)
564 | InvalidMeta(InvalidMetaKind::TooBig)
565 | InvalidUninitBytes(None)
566 | DeadLocal
567 | UninhabitedEnumVariantWritten(_)
568 | UninhabitedEnumVariantRead(_) => {}
569
570 ArithOverflow { intrinsic } => {
571 diag.arg("intrinsic", intrinsic);
572 }
573 ShiftOverflow { intrinsic, shift_amount } => {
574 diag.arg("intrinsic", intrinsic);
575 diag.arg(
576 "shift_amount",
577 match shift_amount {
578 Either::Left(v) => v.to_string(),
579 Either::Right(v) => v.to_string(),
580 },
581 );
582 }
583 BoundsCheckFailed { len, index } => {
584 diag.arg("len", len);
585 diag.arg("index", index);
586 }
587 UnterminatedCString(ptr) | InvalidFunctionPointer(ptr) | InvalidVTablePointer(ptr) => {
588 diag.arg("pointer", ptr);
589 }
590 InvalidVTableTrait { expected_dyn_type, vtable_dyn_type } => {
591 diag.arg("expected_dyn_type", expected_dyn_type.to_string());
592 diag.arg("vtable_dyn_type", vtable_dyn_type.to_string());
593 }
594 PointerUseAfterFree(alloc_id, msg) => {
595 diag.arg("alloc_id", alloc_id).arg("operation", format!("{:?}", msg));
596 }
597 PointerOutOfBounds { alloc_id, alloc_size, ptr_offset, inbounds_size, msg } => {
598 diag.arg("alloc_size", alloc_size.bytes());
599 diag.arg("pointer", {
600 let mut out = format!("{:?}", alloc_id);
601 if ptr_offset > 0 {
602 write!(out, "+{:#x}", ptr_offset).unwrap();
603 } else if ptr_offset < 0 {
604 write!(out, "-{:#x}", ptr_offset.unsigned_abs()).unwrap();
605 }
606 out
607 });
608 diag.arg("inbounds_size", inbounds_size);
609 diag.arg("inbounds_size_is_neg", inbounds_size < 0);
610 diag.arg("inbounds_size_abs", inbounds_size.unsigned_abs());
611 diag.arg("ptr_offset", ptr_offset);
612 diag.arg("ptr_offset_is_neg", ptr_offset < 0);
613 diag.arg("ptr_offset_abs", ptr_offset.unsigned_abs());
614 diag.arg(
615 "alloc_size_minus_ptr_offset",
616 alloc_size.bytes().saturating_sub(ptr_offset as u64),
617 );
618 diag.arg("operation", format!("{:?}", msg));
619 }
620 DanglingIntPointer { addr, inbounds_size, msg } => {
621 if addr != 0 {
622 diag.arg(
623 "pointer",
624 Pointer::<Option<CtfeProvenance>>::from_addr_invalid(addr).to_string(),
625 );
626 }
627
628 diag.arg("inbounds_size", inbounds_size);
629 diag.arg("inbounds_size_is_neg", inbounds_size < 0);
630 diag.arg("inbounds_size_abs", inbounds_size.unsigned_abs());
631 diag.arg("operation", format!("{:?}", msg));
632 }
633 AlignmentCheckFailed(Misalignment { required, has }, msg) => {
634 diag.arg("required", required.bytes());
635 diag.arg("has", has.bytes());
636 diag.arg("msg", format!("{msg:?}"));
637 }
638 WriteToReadOnly(alloc) | DerefFunctionPointer(alloc) | DerefVTablePointer(alloc) => {
639 diag.arg("allocation", alloc);
640 }
641 InvalidBool(b) => {
642 diag.arg("value", format!("{b:02x}"));
643 }
644 InvalidChar(c) => {
645 diag.arg("value", format!("{c:08x}"));
646 }
647 InvalidTag(tag) => {
648 diag.arg("tag", format!("{tag:x}"));
649 }
650 InvalidStr(err) => {
651 diag.arg("err", format!("{err}"));
652 }
653 InvalidUninitBytes(Some((alloc, info))) => {
654 diag.arg("alloc", alloc);
655 diag.arg("access", info.access);
656 diag.arg("uninit", info.bad);
657 }
658 ScalarSizeMismatch(info) => {
659 diag.arg("target_size", info.target_size);
660 diag.arg("data_size", info.data_size);
661 }
662 InvalidNichedEnumVariantWritten { enum_ty } => {
663 diag.arg("ty", enum_ty.to_string());
664 }
665 AbiMismatchArgument { caller_ty, callee_ty }
666 | AbiMismatchReturn { caller_ty, callee_ty } => {
667 diag.arg("caller_ty", caller_ty.to_string());
668 diag.arg("callee_ty", callee_ty.to_string());
669 }
670 }
671 }
672}
673
674impl<'tcx> ReportErrorExt for ValidationErrorInfo<'tcx> {
675 fn diagnostic_message(&self) -> DiagMessage {
676 use rustc_middle::mir::interpret::ValidationErrorKind::*;
677
678 use crate::fluent_generated::*;
679 match self.kind {
680 PtrToUninhabited { ptr_kind: PointerKind::Box, .. } => {
681 const_eval_validation_box_to_uninhabited
682 }
683 PtrToUninhabited { ptr_kind: PointerKind::Ref(_), .. } => {
684 const_eval_validation_ref_to_uninhabited
685 }
686
687 PointerAsInt { .. } => const_eval_validation_pointer_as_int,
688 PartialPointer => const_eval_validation_partial_pointer,
689 ConstRefToMutable => const_eval_validation_const_ref_to_mutable,
690 ConstRefToExtern => const_eval_validation_const_ref_to_extern,
691 MutableRefToImmutable => const_eval_validation_mutable_ref_to_immutable,
692 NullFnPtr => const_eval_validation_null_fn_ptr,
693 NeverVal => const_eval_validation_never_val,
694 NullablePtrOutOfRange { .. } => const_eval_validation_nullable_ptr_out_of_range,
695 PtrOutOfRange { .. } => const_eval_validation_ptr_out_of_range,
696 OutOfRange { .. } => const_eval_validation_out_of_range,
697 UnsafeCellInImmutable => const_eval_validation_unsafe_cell,
698 UninhabitedVal { .. } => const_eval_validation_uninhabited_val,
699 InvalidEnumTag { .. } => const_eval_validation_invalid_enum_tag,
700 UninhabitedEnumVariant => const_eval_validation_uninhabited_enum_variant,
701 Uninit { .. } => const_eval_validation_uninit,
702 InvalidVTablePtr { .. } => const_eval_validation_invalid_vtable_ptr,
703 InvalidMetaWrongTrait { .. } => const_eval_validation_invalid_vtable_trait,
704 InvalidMetaSliceTooLarge { ptr_kind: PointerKind::Box } => {
705 const_eval_validation_invalid_box_slice_meta
706 }
707 InvalidMetaSliceTooLarge { ptr_kind: PointerKind::Ref(_) } => {
708 const_eval_validation_invalid_ref_slice_meta
709 }
710
711 InvalidMetaTooLarge { ptr_kind: PointerKind::Box } => {
712 const_eval_validation_invalid_box_meta
713 }
714 InvalidMetaTooLarge { ptr_kind: PointerKind::Ref(_) } => {
715 const_eval_validation_invalid_ref_meta
716 }
717 UnalignedPtr { ptr_kind: PointerKind::Ref(_), .. } => {
718 const_eval_validation_unaligned_ref
719 }
720 UnalignedPtr { ptr_kind: PointerKind::Box, .. } => const_eval_validation_unaligned_box,
721
722 NullPtr { ptr_kind: PointerKind::Box } => const_eval_validation_null_box,
723 NullPtr { ptr_kind: PointerKind::Ref(_) } => const_eval_validation_null_ref,
724 DanglingPtrNoProvenance { ptr_kind: PointerKind::Box, .. } => {
725 const_eval_validation_dangling_box_no_provenance
726 }
727 DanglingPtrNoProvenance { ptr_kind: PointerKind::Ref(_), .. } => {
728 const_eval_validation_dangling_ref_no_provenance
729 }
730 DanglingPtrOutOfBounds { ptr_kind: PointerKind::Box } => {
731 const_eval_validation_dangling_box_out_of_bounds
732 }
733 DanglingPtrOutOfBounds { ptr_kind: PointerKind::Ref(_) } => {
734 const_eval_validation_dangling_ref_out_of_bounds
735 }
736 DanglingPtrUseAfterFree { ptr_kind: PointerKind::Box } => {
737 const_eval_validation_dangling_box_use_after_free
738 }
739 DanglingPtrUseAfterFree { ptr_kind: PointerKind::Ref(_) } => {
740 const_eval_validation_dangling_ref_use_after_free
741 }
742 InvalidBool { .. } => const_eval_validation_invalid_bool,
743 InvalidChar { .. } => const_eval_validation_invalid_char,
744 InvalidFnPtr { .. } => const_eval_validation_invalid_fn_ptr,
745 }
746 }
747
748 fn add_args<G: EmissionGuarantee>(self, err: &mut Diag<'_, G>) {
749 use rustc_middle::mir::interpret::ValidationErrorKind::*;
750
751 use crate::fluent_generated as fluent;
752
753 if let PointerAsInt { .. } | PartialPointer = self.kind {
754 err.help(fluent::const_eval_ptr_as_bytes_1);
755 err.help(fluent::const_eval_ptr_as_bytes_2);
756 }
757
758 let message = if let Some(path) = self.path {
759 err.dcx.eagerly_translate_to_string(
760 fluent::const_eval_validation_front_matter_invalid_value_with_path,
761 [("path".into(), DiagArgValue::Str(path.into()))].iter().map(|(a, b)| (a, b)),
762 )
763 } else {
764 err.dcx.eagerly_translate_to_string(
765 fluent::const_eval_validation_front_matter_invalid_value,
766 [].into_iter(),
767 )
768 };
769
770 err.arg("front_matter", message);
771
772 fn add_range_arg<G: EmissionGuarantee>(
773 r: WrappingRange,
774 max_hi: u128,
775 err: &mut Diag<'_, G>,
776 ) {
777 let WrappingRange { start: lo, end: hi } = r;
778 assert!(hi <= max_hi);
779 let msg = if lo > hi {
780 fluent::const_eval_range_wrapping
781 } else if lo == hi {
782 fluent::const_eval_range_singular
783 } else if lo == 0 {
784 assert!(hi < max_hi, "should not be printing if the range covers everything");
785 fluent::const_eval_range_upper
786 } else if hi == max_hi {
787 assert!(lo > 0, "should not be printing if the range covers everything");
788 fluent::const_eval_range_lower
789 } else {
790 fluent::const_eval_range
791 };
792
793 let args = [
794 ("lo".into(), DiagArgValue::Str(lo.to_string().into())),
795 ("hi".into(), DiagArgValue::Str(hi.to_string().into())),
796 ];
797 let args = args.iter().map(|(a, b)| (a, b));
798 let message = err.dcx.eagerly_translate_to_string(msg, args);
799 err.arg("in_range", message);
800 }
801
802 match self.kind {
803 PtrToUninhabited { ty, .. } | UninhabitedVal { ty } => {
804 err.arg("ty", ty);
805 }
806 PointerAsInt { expected } | Uninit { expected } => {
807 let msg = match expected {
808 ExpectedKind::Reference => fluent::const_eval_validation_expected_ref,
809 ExpectedKind::Box => fluent::const_eval_validation_expected_box,
810 ExpectedKind::RawPtr => fluent::const_eval_validation_expected_raw_ptr,
811 ExpectedKind::InitScalar => fluent::const_eval_validation_expected_init_scalar,
812 ExpectedKind::Bool => fluent::const_eval_validation_expected_bool,
813 ExpectedKind::Char => fluent::const_eval_validation_expected_char,
814 ExpectedKind::Float => fluent::const_eval_validation_expected_float,
815 ExpectedKind::Int => fluent::const_eval_validation_expected_int,
816 ExpectedKind::FnPtr => fluent::const_eval_validation_expected_fn_ptr,
817 ExpectedKind::EnumTag => fluent::const_eval_validation_expected_enum_tag,
818 ExpectedKind::Str => fluent::const_eval_validation_expected_str,
819 };
820 let msg = err.dcx.eagerly_translate_to_string(msg, [].into_iter());
821 err.arg("expected", msg);
822 }
823 InvalidEnumTag { value }
824 | InvalidVTablePtr { value }
825 | InvalidBool { value }
826 | InvalidChar { value }
827 | InvalidFnPtr { value } => {
828 err.arg("value", value);
829 }
830 NullablePtrOutOfRange { range, max_value } | PtrOutOfRange { range, max_value } => {
831 add_range_arg(range, max_value, err)
832 }
833 OutOfRange { range, max_value, value } => {
834 err.arg("value", value);
835 add_range_arg(range, max_value, err);
836 }
837 UnalignedPtr { required_bytes, found_bytes, .. } => {
838 err.arg("required_bytes", required_bytes);
839 err.arg("found_bytes", found_bytes);
840 }
841 DanglingPtrNoProvenance { pointer, .. } => {
842 err.arg("pointer", pointer);
843 }
844 InvalidMetaWrongTrait { vtable_dyn_type, expected_dyn_type } => {
845 err.arg("vtable_dyn_type", vtable_dyn_type.to_string());
846 err.arg("expected_dyn_type", expected_dyn_type.to_string());
847 }
848 NullPtr { .. }
849 | ConstRefToMutable
850 | ConstRefToExtern
851 | MutableRefToImmutable
852 | NullFnPtr
853 | NeverVal
854 | UnsafeCellInImmutable
855 | InvalidMetaSliceTooLarge { .. }
856 | InvalidMetaTooLarge { .. }
857 | DanglingPtrUseAfterFree { .. }
858 | DanglingPtrOutOfBounds { .. }
859 | UninhabitedEnumVariant
860 | PartialPointer => {}
861 }
862 }
863}
864
865impl ReportErrorExt for UnsupportedOpInfo {
866 fn diagnostic_message(&self) -> DiagMessage {
867 use crate::fluent_generated::*;
868 match self {
869 UnsupportedOpInfo::Unsupported(s) => s.clone().into(),
870 UnsupportedOpInfo::ExternTypeField => const_eval_extern_type_field,
871 UnsupportedOpInfo::UnsizedLocal => const_eval_unsized_local,
872 UnsupportedOpInfo::OverwritePartialPointer(_) => const_eval_partial_pointer_overwrite,
873 UnsupportedOpInfo::ReadPartialPointer(_) => const_eval_partial_pointer_copy,
874 UnsupportedOpInfo::ReadPointerAsInt(_) => const_eval_read_pointer_as_int,
875 UnsupportedOpInfo::ThreadLocalStatic(_) => const_eval_thread_local_static,
876 UnsupportedOpInfo::ExternStatic(_) => const_eval_extern_static,
877 }
878 }
879
880 fn add_args<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
881 use UnsupportedOpInfo::*;
882
883 use crate::fluent_generated::*;
884 if let ReadPointerAsInt(_) | OverwritePartialPointer(_) | ReadPartialPointer(_) = self {
885 diag.help(const_eval_ptr_as_bytes_1);
886 diag.help(const_eval_ptr_as_bytes_2);
887 }
888 match self {
889 UnsizedLocal
893 | UnsupportedOpInfo::ExternTypeField
894 | Unsupported(_)
895 | ReadPointerAsInt(_) => {}
896 OverwritePartialPointer(ptr) | ReadPartialPointer(ptr) => {
897 diag.arg("ptr", ptr);
898 }
899 ThreadLocalStatic(did) | ExternStatic(did) => rustc_middle::ty::tls::with(|tcx| {
900 diag.arg("did", tcx.def_path_str(did));
901 }),
902 }
903 }
904}
905
906impl<'tcx> ReportErrorExt for InterpErrorKind<'tcx> {
907 fn diagnostic_message(&self) -> DiagMessage {
908 match self {
909 InterpErrorKind::UndefinedBehavior(ub) => ub.diagnostic_message(),
910 InterpErrorKind::Unsupported(e) => e.diagnostic_message(),
911 InterpErrorKind::InvalidProgram(e) => e.diagnostic_message(),
912 InterpErrorKind::ResourceExhaustion(e) => e.diagnostic_message(),
913 InterpErrorKind::MachineStop(e) => e.diagnostic_message(),
914 }
915 }
916 fn add_args<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
917 match self {
918 InterpErrorKind::UndefinedBehavior(ub) => ub.add_args(diag),
919 InterpErrorKind::Unsupported(e) => e.add_args(diag),
920 InterpErrorKind::InvalidProgram(e) => e.add_args(diag),
921 InterpErrorKind::ResourceExhaustion(e) => e.add_args(diag),
922 InterpErrorKind::MachineStop(e) => e.add_args(&mut |name, value| {
923 diag.arg(name, value);
924 }),
925 }
926 }
927}
928
929impl<'tcx> ReportErrorExt for InvalidProgramInfo<'tcx> {
930 fn diagnostic_message(&self) -> DiagMessage {
931 use crate::fluent_generated::*;
932 match self {
933 InvalidProgramInfo::TooGeneric => const_eval_too_generic,
934 InvalidProgramInfo::AlreadyReported(_) => const_eval_already_reported,
935 InvalidProgramInfo::Layout(e) => e.diagnostic_message(),
936 }
937 }
938 fn add_args<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
939 match self {
940 InvalidProgramInfo::TooGeneric | InvalidProgramInfo::AlreadyReported(_) => {}
941 InvalidProgramInfo::Layout(e) => {
942 let dummy_level = Level::Bug;
944 let dummy_diag: Diag<'_, ()> = e.into_diagnostic().into_diag(diag.dcx, dummy_level);
945 for (name, val) in dummy_diag.args.iter() {
946 diag.arg(name.clone(), val.clone());
947 }
948 dummy_diag.cancel();
949 }
950 }
951 }
952}
953
954impl ReportErrorExt for ResourceExhaustionInfo {
955 fn diagnostic_message(&self) -> DiagMessage {
956 use crate::fluent_generated::*;
957 match self {
958 ResourceExhaustionInfo::StackFrameLimitReached => const_eval_stack_frame_limit_reached,
959 ResourceExhaustionInfo::MemoryExhausted => const_eval_memory_exhausted,
960 ResourceExhaustionInfo::AddressSpaceFull => const_eval_address_space_full,
961 ResourceExhaustionInfo::Interrupted => const_eval_interrupted,
962 }
963 }
964 fn add_args<G: EmissionGuarantee>(self, _: &mut Diag<'_, G>) {}
965}
966
967impl rustc_errors::IntoDiagArg for InternKind {
968 fn into_diag_arg(self, _: &mut Option<std::path::PathBuf>) -> DiagArgValue {
969 DiagArgValue::Str(Cow::Borrowed(match self {
970 InternKind::Static(Mutability::Not) => "static",
971 InternKind::Static(Mutability::Mut) => "static_mut",
972 InternKind::Constant => "const",
973 InternKind::Promoted => "promoted",
974 }))
975 }
976}