6 use rustc_errors::{error_code, ErrorGuaranteed, IntoDiagnostic};
7 use rustc_macros::Diagnostic;
8 use rustc_session::config;
9 use rustc_span::{sym, Span, Symbol};
10 use rustc_target::spec::{PanicStrategy, TargetTriple};
12 use crate::locator::CrateFlavor;
15 #[diag(metadata_rlib_required)]
16 pub struct RlibRequired {
17 pub crate_name: Symbol,
21 #[diag(metadata_lib_required)]
22 pub struct LibRequired<'a> {
23 pub crate_name: Symbol,
28 #[diag(metadata_crate_dep_multiple)]
30 pub struct CrateDepMultiple {
31 pub crate_name: Symbol,
35 #[diag(metadata_two_panic_runtimes)]
36 pub struct TwoPanicRuntimes {
37 pub prev_name: Symbol,
42 #[diag(metadata_bad_panic_strategy)]
43 pub struct BadPanicStrategy {
45 pub strategy: PanicStrategy,
49 #[diag(metadata_required_panic_strategy)]
50 pub struct RequiredPanicStrategy {
51 pub crate_name: Symbol,
52 pub found_strategy: PanicStrategy,
53 pub desired_strategy: PanicStrategy,
57 #[diag(metadata_incompatible_panic_in_drop_strategy)]
58 pub struct IncompatiblePanicInDropStrategy {
59 pub crate_name: Symbol,
60 pub found_strategy: PanicStrategy,
61 pub desired_strategy: PanicStrategy,
65 #[diag(metadata_multiple_names_in_link)]
66 pub struct MultipleNamesInLink {
72 #[diag(metadata_multiple_kinds_in_link)]
73 pub struct MultipleKindsInLink {
79 #[diag(metadata_link_name_form)]
80 pub struct LinkNameForm {
86 #[diag(metadata_link_kind_form)]
87 pub struct LinkKindForm {
93 #[diag(metadata_link_modifiers_form)]
94 pub struct LinkModifiersForm {
100 #[diag(metadata_link_cfg_form)]
101 pub struct LinkCfgForm {
106 #[derive(Diagnostic)]
107 #[diag(metadata_wasm_import_form)]
108 pub struct WasmImportForm {
113 #[derive(Diagnostic)]
114 #[diag(metadata_empty_link_name, code = "E0454")]
115 pub struct EmptyLinkName {
121 #[derive(Diagnostic)]
122 #[diag(metadata_link_framework_apple, code = "E0455")]
123 pub struct LinkFrameworkApple {
128 #[derive(Diagnostic)]
129 #[diag(metadata_framework_only_windows, code = "E0455")]
130 pub struct FrameworkOnlyWindows {
135 #[derive(Diagnostic)]
136 #[diag(metadata_unknown_link_kind, code = "E0458")]
137 pub struct UnknownLinkKind<'a> {
144 #[derive(Diagnostic)]
145 #[diag(metadata_multiple_link_modifiers)]
146 pub struct MultipleLinkModifiers {
151 #[derive(Diagnostic)]
152 #[diag(metadata_multiple_cfgs)]
153 pub struct MultipleCfgs {
158 #[derive(Diagnostic)]
159 #[diag(metadata_link_cfg_single_predicate)]
160 pub struct LinkCfgSinglePredicate {
165 #[derive(Diagnostic)]
166 #[diag(metadata_multiple_wasm_import)]
167 pub struct MultipleWasmImport {
172 #[derive(Diagnostic)]
173 #[diag(metadata_unexpected_link_arg)]
174 pub struct UnexpectedLinkArg {
179 #[derive(Diagnostic)]
180 #[diag(metadata_invalid_link_modifier)]
181 pub struct InvalidLinkModifier {
186 #[derive(Diagnostic)]
187 #[diag(metadata_multiple_modifiers)]
188 pub struct MultipleModifiers<'a> {
191 pub modifier: &'a str,
194 #[derive(Diagnostic)]
195 #[diag(metadata_bundle_needs_static)]
196 pub struct BundleNeedsStatic {
201 #[derive(Diagnostic)]
202 #[diag(metadata_whole_archive_needs_static)]
203 pub struct WholeArchiveNeedsStatic {
208 #[derive(Diagnostic)]
209 #[diag(metadata_as_needed_compatibility)]
210 pub struct AsNeededCompatibility {
215 #[derive(Diagnostic)]
216 #[diag(metadata_unknown_link_modifier)]
217 pub struct UnknownLinkModifier<'a> {
220 pub modifier: &'a str,
223 #[derive(Diagnostic)]
224 #[diag(metadata_incompatible_wasm_link)]
225 pub struct IncompatibleWasmLink {
230 #[derive(Diagnostic)]
231 #[diag(metadata_link_requires_name, code = "E0459")]
232 pub struct LinkRequiresName {
238 #[derive(Diagnostic)]
239 #[diag(metadata_raw_dylib_no_nul)]
240 pub struct RawDylibNoNul {
245 #[derive(Diagnostic)]
246 #[diag(metadata_link_ordinal_raw_dylib)]
247 pub struct LinkOrdinalRawDylib {
252 #[derive(Diagnostic)]
253 #[diag(metadata_lib_framework_apple)]
254 pub struct LibFrameworkApple;
256 #[derive(Diagnostic)]
257 #[diag(metadata_empty_renaming_target)]
258 pub struct EmptyRenamingTarget<'a> {
259 pub lib_name: &'a str,
262 #[derive(Diagnostic)]
263 #[diag(metadata_renaming_no_link)]
264 pub struct RenamingNoLink<'a> {
265 pub lib_name: &'a str,
268 #[derive(Diagnostic)]
269 #[diag(metadata_multiple_renamings)]
270 pub struct MultipleRenamings<'a> {
271 pub lib_name: &'a str,
274 #[derive(Diagnostic)]
275 #[diag(metadata_no_link_mod_override)]
276 pub struct NoLinkModOverride {
278 pub span: Option<Span>,
281 #[derive(Diagnostic)]
282 #[diag(metadata_unsupported_abi_i686)]
283 pub struct UnsupportedAbiI686 {
288 #[derive(Diagnostic)]
289 #[diag(metadata_unsupported_abi)]
290 pub struct UnsupportedAbi {
295 #[derive(Diagnostic)]
296 #[diag(metadata_fail_create_file_encoder)]
297 pub struct FailCreateFileEncoder {
301 #[derive(Diagnostic)]
302 #[diag(metadata_fail_seek_file)]
303 pub struct FailSeekFile {
307 #[derive(Diagnostic)]
308 #[diag(metadata_fail_write_file)]
309 pub struct FailWriteFile {
313 #[derive(Diagnostic)]
314 #[diag(metadata_crate_not_panic_runtime)]
315 pub struct CrateNotPanicRuntime {
316 pub crate_name: Symbol,
319 #[derive(Diagnostic)]
320 #[diag(metadata_no_panic_strategy)]
321 pub struct NoPanicStrategy {
322 pub crate_name: Symbol,
323 pub strategy: PanicStrategy,
326 #[derive(Diagnostic)]
327 #[diag(metadata_profiler_builtins_needs_core)]
328 pub struct ProfilerBuiltinsNeedsCore;
330 #[derive(Diagnostic)]
331 #[diag(metadata_not_profiler_runtime)]
332 pub struct NotProfilerRuntime {
333 pub crate_name: Symbol,
336 #[derive(Diagnostic)]
337 #[diag(metadata_no_multiple_global_alloc)]
338 pub struct NoMultipleGlobalAlloc {
342 #[label(metadata_prev_global_alloc)]
346 #[derive(Diagnostic)]
347 #[diag(metadata_no_multiple_alloc_error_handler)]
348 pub struct NoMultipleAllocErrorHandler {
352 #[label(metadata_prev_alloc_error_handler)]
356 #[derive(Diagnostic)]
357 #[diag(metadata_conflicting_global_alloc)]
358 pub struct ConflictingGlobalAlloc {
359 pub crate_name: Symbol,
360 pub other_crate_name: Symbol,
363 #[derive(Diagnostic)]
364 #[diag(metadata_conflicting_alloc_error_handler)]
365 pub struct ConflictingAllocErrorHandler {
366 pub crate_name: Symbol,
367 pub other_crate_name: Symbol,
370 #[derive(Diagnostic)]
371 #[diag(metadata_global_alloc_required)]
372 pub struct GlobalAllocRequired;
374 #[derive(Diagnostic)]
375 #[diag(metadata_alloc_func_required)]
376 pub struct AllocFuncRequired;
378 #[derive(Diagnostic)]
379 #[diag(metadata_missing_alloc_error_handler)]
380 pub struct MissingAllocErrorHandler;
382 #[derive(Diagnostic)]
383 #[diag(metadata_no_transitive_needs_dep)]
384 pub struct NoTransitiveNeedsDep<'a> {
385 pub crate_name: Symbol,
386 pub needs_crate_name: &'a str,
387 pub deps_crate_name: Symbol,
390 #[derive(Diagnostic)]
391 #[diag(metadata_failed_write_error)]
392 pub struct FailedWriteError {
393 pub filename: PathBuf,
397 #[derive(Diagnostic)]
398 #[diag(metadata_missing_native_library)]
399 pub struct MissingNativeLibrary<'a> {
402 suggest_name: Option<SuggestLibraryName<'a>>,
405 impl<'a> MissingNativeLibrary<'a> {
406 pub fn new(libname: &'a str, verbatim: bool) -> Self {
407 // if it looks like the user has provided a complete filename rather just the bare lib name,
408 // then provide a note that they might want to try trimming the name
409 let suggested_name = if !verbatim {
410 if let Some(libname) = libname.strip_prefix("lib") && let Some(libname) = libname.strip_suffix(".a") {
411 // this is a unix style filename so trim prefix & suffix
413 } else if let Some(libname) = libname.strip_suffix(".lib") {
414 // this is a Windows style filename so just trim the suffix
425 suggest_name: suggested_name
426 .map(|suggested_name| SuggestLibraryName { suggested_name }),
431 #[derive(Subdiagnostic)]
432 #[help(metadata_only_provide_library_name)]
433 pub struct SuggestLibraryName<'a> {
434 suggested_name: &'a str,
437 #[derive(Diagnostic)]
438 #[diag(metadata_failed_create_tempdir)]
439 pub struct FailedCreateTempdir {
443 #[derive(Diagnostic)]
444 #[diag(metadata_failed_create_file)]
445 pub struct FailedCreateFile<'a> {
446 pub filename: &'a Path,
450 #[derive(Diagnostic)]
451 #[diag(metadata_failed_create_encoded_metadata)]
452 pub struct FailedCreateEncodedMetadata {
456 #[derive(Diagnostic)]
457 #[diag(metadata_non_ascii_name)]
458 pub struct NonAsciiName {
461 pub crate_name: Symbol,
464 #[derive(Diagnostic)]
465 #[diag(metadata_extern_location_not_exist)]
466 pub struct ExternLocationNotExist<'a> {
469 pub crate_name: Symbol,
470 pub location: &'a Path,
473 #[derive(Diagnostic)]
474 #[diag(metadata_extern_location_not_file)]
475 pub struct ExternLocationNotFile<'a> {
478 pub crate_name: Symbol,
479 pub location: &'a Path,
482 pub(crate) struct MultipleCandidates {
484 pub flavor: CrateFlavor,
485 pub crate_name: Symbol,
486 pub candidates: Vec<PathBuf>,
489 impl IntoDiagnostic<'_> for MultipleCandidates {
492 handler: &'_ rustc_errors::Handler,
493 ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
494 let mut diag = handler.struct_err(rustc_errors::fluent::metadata_multiple_candidates);
495 diag.set_arg("crate_name", self.crate_name);
496 diag.set_arg("flavor", self.flavor);
497 diag.code(error_code!(E0465));
498 diag.set_span(self.span);
499 for (i, candidate) in self.candidates.iter().enumerate() {
500 diag.span_note(self.span, &format!("candidate #{}: {}", i + 1, candidate.display()));
506 #[derive(Diagnostic)]
507 #[diag(metadata_multiple_matching_crates, code = "E0464")]
509 pub struct MultipleMatchingCrates {
512 pub crate_name: Symbol,
513 pub candidates: String,
516 #[derive(Diagnostic)]
517 #[diag(metadata_symbol_conflicts_current, code = "E0519")]
518 pub struct SymbolConflictsCurrent {
521 pub crate_name: Symbol,
524 #[derive(Diagnostic)]
525 #[diag(metadata_symbol_conflicts_others, code = "E0523")]
526 pub struct SymbolConflictsOthers {
529 pub crate_name: Symbol,
532 #[derive(Diagnostic)]
533 #[diag(metadata_stable_crate_id_collision)]
534 pub struct StableCrateIdCollision {
537 pub crate_name0: Symbol,
538 pub crate_name1: Symbol,
541 #[derive(Diagnostic)]
542 #[diag(metadata_dl_error)]
549 #[derive(Diagnostic)]
550 #[diag(metadata_newer_crate_version, code = "E0460")]
552 #[note(metadata_found_crate_versions)]
553 pub struct NewerCrateVersion {
556 pub crate_name: Symbol,
557 pub add_info: String,
558 pub found_crates: String,
561 #[derive(Diagnostic)]
562 #[diag(metadata_no_crate_with_triple, code = "E0461")]
563 #[note(metadata_found_crate_versions)]
564 pub struct NoCrateWithTriple<'a> {
567 pub crate_name: Symbol,
568 pub locator_triple: &'a str,
569 pub add_info: String,
570 pub found_crates: String,
573 #[derive(Diagnostic)]
574 #[diag(metadata_found_staticlib, code = "E0462")]
575 #[note(metadata_found_crate_versions)]
577 pub struct FoundStaticlib {
580 pub crate_name: Symbol,
581 pub add_info: String,
582 pub found_crates: String,
585 #[derive(Diagnostic)]
586 #[diag(metadata_incompatible_rustc, code = "E0514")]
587 #[note(metadata_found_crate_versions)]
589 pub struct IncompatibleRustc {
592 pub crate_name: Symbol,
593 pub add_info: String,
594 pub found_crates: String,
595 pub rustc_version: String,
598 pub struct InvalidMetadataFiles {
600 pub crate_name: Symbol,
601 pub add_info: String,
602 pub crate_rejections: Vec<String>,
605 impl IntoDiagnostic<'_> for InvalidMetadataFiles {
609 handler: &'_ rustc_errors::Handler,
610 ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
611 let mut diag = handler.struct_err(rustc_errors::fluent::metadata_invalid_meta_files);
612 diag.set_arg("crate_name", self.crate_name);
613 diag.set_arg("add_info", self.add_info);
614 diag.code(error_code!(E0786));
615 diag.set_span(self.span);
616 for crate_rejection in self.crate_rejections {
617 diag.note(crate_rejection);
623 pub struct CannotFindCrate {
625 pub crate_name: Symbol,
626 pub add_info: String,
627 pub missing_core: bool,
628 pub current_crate: String,
629 pub is_nightly_build: bool,
630 pub profiler_runtime: Symbol,
631 pub locator_triple: TargetTriple,
634 impl IntoDiagnostic<'_> for CannotFindCrate {
638 handler: &'_ rustc_errors::Handler,
639 ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> {
640 let mut diag = handler.struct_err(rustc_errors::fluent::metadata_cannot_find_crate);
641 diag.set_arg("crate_name", self.crate_name);
642 diag.set_arg("current_crate", self.current_crate);
643 diag.set_arg("add_info", self.add_info);
644 diag.set_arg("locator_triple", self.locator_triple.triple());
645 diag.code(error_code!(E0463));
646 diag.set_span(self.span);
647 if (self.crate_name == sym::std || self.crate_name == sym::core)
648 && self.locator_triple != TargetTriple::from_triple(config::host_triple())
650 if self.missing_core {
651 diag.note(rustc_errors::fluent::metadata_target_not_installed);
653 diag.note(rustc_errors::fluent::metadata_target_no_std_support);
655 // NOTE: this suggests using rustup, even though the user may not have it installed.
656 // That's because they could choose to install it; or this may give them a hint which
657 // target they need to install from their distro.
658 if self.missing_core {
659 diag.help(rustc_errors::fluent::metadata_consider_downloading_target);
661 // Suggest using #![no_std]. #[no_core] is unstable and not really supported anyway.
662 // NOTE: this is a dummy span if `extern crate std` was injected by the compiler.
663 // If it's not a dummy, that means someone added `extern crate std` explicitly and
664 // `#![no_std]` won't help.
665 if !self.missing_core && self.span.is_dummy() {
666 diag.note(rustc_errors::fluent::metadata_std_required);
668 if self.is_nightly_build {
669 diag.help(rustc_errors::fluent::metadata_consider_building_std);
671 } else if self.crate_name == self.profiler_runtime {
672 diag.note(rustc_errors::fluent::metadata_compiler_missing_profiler);
673 } else if self.crate_name.as_str().starts_with("rustc_") {
674 diag.help(rustc_errors::fluent::metadata_install_missing_components);
676 diag.span_label(self.span, rustc_errors::fluent::metadata_cant_find_crate);
681 #[derive(Diagnostic)]
682 #[diag(metadata_no_dylib_plugin, code = "E0457")]
683 pub struct NoDylibPlugin {
686 pub crate_name: Symbol,
689 #[derive(Diagnostic)]
690 #[diag(metadata_crate_location_unknown_type)]
691 pub struct CrateLocationUnknownType<'a> {
695 pub crate_name: Symbol,
698 #[derive(Diagnostic)]
699 #[diag(metadata_lib_filename_form)]
700 pub struct LibFilenameForm<'a> {
703 pub dll_prefix: &'a str,
704 pub dll_suffix: &'a str,
707 #[derive(Diagnostic)]
708 #[diag(metadata_multiple_import_name_type)]
709 pub struct MultipleImportNameType {
714 #[derive(Diagnostic)]
715 #[diag(metadata_import_name_type_form)]
716 pub struct ImportNameTypeForm {
721 #[derive(Diagnostic)]
722 #[diag(metadata_import_name_type_x86)]
723 pub struct ImportNameTypeX86 {
728 #[derive(Diagnostic)]
729 #[diag(metadata_unknown_import_name_type)]
730 pub struct UnknownImportNameType<'a> {
733 pub import_name_type: &'a str,
736 #[derive(Diagnostic)]
737 #[diag(metadata_import_name_type_raw)]
738 pub struct ImportNameTypeRaw {