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-rw-r--r--crates/ra_ide/src/completion/complete_attribute.rs760
1 files changed, 115 insertions, 645 deletions
diff --git a/crates/ra_ide/src/completion/complete_attribute.rs b/crates/ra_ide/src/completion/complete_attribute.rs
index 4e50a294f..9db317509 100644
--- a/crates/ra_ide/src/completion/complete_attribute.rs
+++ b/crates/ra_ide/src/completion/complete_attribute.rs
@@ -226,677 +226,147 @@ const DEFAULT_DERIVE_COMPLETIONS: &[DeriveCompletion] = &[
226 226
227#[cfg(test)] 227#[cfg(test)]
228mod tests { 228mod tests {
229 use crate::completion::{test_utils::do_completion, CompletionItem, CompletionKind}; 229 use expect::{expect, Expect};
230 use insta::assert_debug_snapshot;
231 230
232 fn do_attr_completion(code: &str) -> Vec<CompletionItem> { 231 use crate::completion::{test_utils::completion_list, CompletionKind};
233 do_completion(code, CompletionKind::Attribute) 232
233 fn check(ra_fixture: &str, expect: Expect) {
234 let actual = completion_list(ra_fixture, CompletionKind::Attribute);
235 expect.assert_eq(&actual);
234 } 236 }
235 237
236 #[test] 238 #[test]
237 fn empty_derive_completion() { 239 fn empty_derive_completion() {
238 assert_debug_snapshot!( 240 check(
239 do_attr_completion( 241 r#"
240 r" 242#[derive(<|>)]
241 #[derive(<|>)] 243struct Test {}
242 struct Test {} 244 "#,
243 ", 245 expect![[r#"
244 ), 246 at Clone
245 @r###" 247 at Copy, Clone
246 [ 248 at Debug
247 CompletionItem { 249 at Default
248 label: "Clone", 250 at Eq, PartialEq
249 source_range: 9..9, 251 at Hash
250 delete: 9..9, 252 at Ord, PartialOrd, Eq, PartialEq
251 insert: "Clone", 253 at PartialEq
252 kind: Attribute, 254 at PartialOrd, PartialEq
253 }, 255 "#]],
254 CompletionItem {
255 label: "Copy, Clone",
256 source_range: 9..9,
257 delete: 9..9,
258 insert: "Copy, Clone",
259 kind: Attribute,
260 },
261 CompletionItem {
262 label: "Debug",
263 source_range: 9..9,
264 delete: 9..9,
265 insert: "Debug",
266 kind: Attribute,
267 },
268 CompletionItem {
269 label: "Default",
270 source_range: 9..9,
271 delete: 9..9,
272 insert: "Default",
273 kind: Attribute,
274 },
275 CompletionItem {
276 label: "Eq, PartialEq",
277 source_range: 9..9,
278 delete: 9..9,
279 insert: "Eq, PartialEq",
280 kind: Attribute,
281 },
282 CompletionItem {
283 label: "Hash",
284 source_range: 9..9,
285 delete: 9..9,
286 insert: "Hash",
287 kind: Attribute,
288 },
289 CompletionItem {
290 label: "Ord, PartialOrd, Eq, PartialEq",
291 source_range: 9..9,
292 delete: 9..9,
293 insert: "Ord, PartialOrd, Eq, PartialEq",
294 kind: Attribute,
295 },
296 CompletionItem {
297 label: "PartialEq",
298 source_range: 9..9,
299 delete: 9..9,
300 insert: "PartialEq",
301 kind: Attribute,
302 },
303 CompletionItem {
304 label: "PartialOrd, PartialEq",
305 source_range: 9..9,
306 delete: 9..9,
307 insert: "PartialOrd, PartialEq",
308 kind: Attribute,
309 },
310 ]
311 "###
312 ); 256 );
313 } 257 }
314 258
315 #[test] 259 #[test]
316 fn no_completion_for_incorrect_derive() { 260 fn no_completion_for_incorrect_derive() {
317 assert_debug_snapshot!( 261 check(
318 do_attr_completion( 262 r#"
319 r" 263#[derive{<|>)]
320 #[derive{<|>)] 264struct Test {}
321 struct Test {} 265"#,
322 ", 266 expect![[r#""#]],
323 ), 267 )
324 @"[]"
325 );
326 } 268 }
327 269
328 #[test] 270 #[test]
329 fn derive_with_input_completion() { 271 fn derive_with_input_completion() {
330 assert_debug_snapshot!( 272 check(
331 do_attr_completion( 273 r#"
332 r" 274#[derive(serde::Serialize, PartialEq, <|>)]
333 #[derive(serde::Serialize, PartialEq, <|>)] 275struct Test {}
334 struct Test {} 276"#,
335 ", 277 expect![[r#"
336 ), 278 at Clone
337 @r###" 279 at Copy, Clone
338 [ 280 at Debug
339 CompletionItem { 281 at Default
340 label: "Clone", 282 at Eq
341 source_range: 38..38, 283 at Hash
342 delete: 38..38, 284 at Ord, PartialOrd, Eq
343 insert: "Clone", 285 at PartialOrd
344 kind: Attribute, 286 "#]],
345 }, 287 )
346 CompletionItem {
347 label: "Copy, Clone",
348 source_range: 38..38,
349 delete: 38..38,
350 insert: "Copy, Clone",
351 kind: Attribute,
352 },
353 CompletionItem {
354 label: "Debug",
355 source_range: 38..38,
356 delete: 38..38,
357 insert: "Debug",
358 kind: Attribute,
359 },
360 CompletionItem {
361 label: "Default",
362 source_range: 38..38,
363 delete: 38..38,
364 insert: "Default",
365 kind: Attribute,
366 },
367 CompletionItem {
368 label: "Eq",
369 source_range: 38..38,
370 delete: 38..38,
371 insert: "Eq",
372 kind: Attribute,
373 },
374 CompletionItem {
375 label: "Hash",
376 source_range: 38..38,
377 delete: 38..38,
378 insert: "Hash",
379 kind: Attribute,
380 },
381 CompletionItem {
382 label: "Ord, PartialOrd, Eq",
383 source_range: 38..38,
384 delete: 38..38,
385 insert: "Ord, PartialOrd, Eq",
386 kind: Attribute,
387 },
388 CompletionItem {
389 label: "PartialOrd",
390 source_range: 38..38,
391 delete: 38..38,
392 insert: "PartialOrd",
393 kind: Attribute,
394 },
395 ]
396 "###
397 );
398 } 288 }
399 289
400 #[test] 290 #[test]
401 fn test_attribute_completion() { 291 fn test_attribute_completion() {
402 assert_debug_snapshot!( 292 check(
403 do_attr_completion( 293 r#"#[<|>]"#,
404 r" 294 expect![[r#"
405 #[<|>] 295 at allow(…)
406 ", 296 at cfg(…)
407 ), 297 at cfg_attr(…)
408 @r###" 298 at deny(…)
409 [ 299 at deprecated = "…"
410 CompletionItem { 300 at derive(…)
411 label: "allow(…)", 301 at doc = "…"
412 source_range: 2..2, 302 at forbid(…)
413 delete: 2..2, 303 at ignore(…)
414 insert: "allow(${0:lint})", 304 at inline(…)
415 kind: Attribute, 305 at link
416 lookup: "allow", 306 at link_name = "…"
417 }, 307 at macro_export
418 CompletionItem { 308 at macro_use
419 label: "cfg(…)", 309 at must_use = "…"
420 source_range: 2..2, 310 at no_mangle
421 delete: 2..2, 311 at non_exhaustive
422 insert: "cfg(${0:predicate})", 312 at path = "…"
423 kind: Attribute, 313 at proc_macro
424 lookup: "cfg", 314 at proc_macro_attribute
425 }, 315 at proc_macro_derive(…)
426 CompletionItem { 316 at repr(…)
427 label: "cfg_attr(…)", 317 at should_panic(…)
428 source_range: 2..2, 318 at target_feature = "…"
429 delete: 2..2, 319 at test
430 insert: "cfg_attr(${1:predicate}, ${0:attr})", 320 at used
431 kind: Attribute, 321 at warn(…)
432 lookup: "cfg_attr", 322 "#]],
433 }, 323 )
434 CompletionItem {
435 label: "deny(…)",
436 source_range: 2..2,
437 delete: 2..2,
438 insert: "deny(${0:lint})",
439 kind: Attribute,
440 lookup: "deny",
441 },
442 CompletionItem {
443 label: "deprecated = \"…\"",
444 source_range: 2..2,
445 delete: 2..2,
446 insert: "deprecated = \"${0:reason}\"",
447 kind: Attribute,
448 lookup: "deprecated",
449 },
450 CompletionItem {
451 label: "derive(…)",
452 source_range: 2..2,
453 delete: 2..2,
454 insert: "derive(${0:Debug})",
455 kind: Attribute,
456 lookup: "derive",
457 },
458 CompletionItem {
459 label: "doc = \"…\"",
460 source_range: 2..2,
461 delete: 2..2,
462 insert: "doc = \"${0:docs}\"",
463 kind: Attribute,
464 lookup: "doc",
465 },
466 CompletionItem {
467 label: "forbid(…)",
468 source_range: 2..2,
469 delete: 2..2,
470 insert: "forbid(${0:lint})",
471 kind: Attribute,
472 lookup: "forbid",
473 },
474 CompletionItem {
475 label: "ignore(…)",
476 source_range: 2..2,
477 delete: 2..2,
478 insert: "ignore(${0:lint})",
479 kind: Attribute,
480 lookup: "ignore",
481 },
482 CompletionItem {
483 label: "inline(…)",
484 source_range: 2..2,
485 delete: 2..2,
486 insert: "inline(${0:lint})",
487 kind: Attribute,
488 lookup: "inline",
489 },
490 CompletionItem {
491 label: "link",
492 source_range: 2..2,
493 delete: 2..2,
494 insert: "link",
495 kind: Attribute,
496 },
497 CompletionItem {
498 label: "link_name = \"…\"",
499 source_range: 2..2,
500 delete: 2..2,
501 insert: "link_name = \"${0:symbol_name}\"",
502 kind: Attribute,
503 lookup: "link_name",
504 },
505 CompletionItem {
506 label: "macro_export",
507 source_range: 2..2,
508 delete: 2..2,
509 insert: "macro_export",
510 kind: Attribute,
511 },
512 CompletionItem {
513 label: "macro_use",
514 source_range: 2..2,
515 delete: 2..2,
516 insert: "macro_use",
517 kind: Attribute,
518 },
519 CompletionItem {
520 label: "must_use = \"…\"",
521 source_range: 2..2,
522 delete: 2..2,
523 insert: "must_use = \"${0:reason}\"",
524 kind: Attribute,
525 lookup: "must_use",
526 },
527 CompletionItem {
528 label: "no_mangle",
529 source_range: 2..2,
530 delete: 2..2,
531 insert: "no_mangle",
532 kind: Attribute,
533 },
534 CompletionItem {
535 label: "non_exhaustive",
536 source_range: 2..2,
537 delete: 2..2,
538 insert: "non_exhaustive",
539 kind: Attribute,
540 },
541 CompletionItem {
542 label: "path = \"…\"",
543 source_range: 2..2,
544 delete: 2..2,
545 insert: "path =\"${0:path}\"",
546 kind: Attribute,
547 lookup: "path",
548 },
549 CompletionItem {
550 label: "proc_macro",
551 source_range: 2..2,
552 delete: 2..2,
553 insert: "proc_macro",
554 kind: Attribute,
555 },
556 CompletionItem {
557 label: "proc_macro_attribute",
558 source_range: 2..2,
559 delete: 2..2,
560 insert: "proc_macro_attribute",
561 kind: Attribute,
562 },
563 CompletionItem {
564 label: "proc_macro_derive(…)",
565 source_range: 2..2,
566 delete: 2..2,
567 insert: "proc_macro_derive(${0:Trait})",
568 kind: Attribute,
569 lookup: "proc_macro_derive",
570 },
571 CompletionItem {
572 label: "repr(…)",
573 source_range: 2..2,
574 delete: 2..2,
575 insert: "repr(${0:C})",
576 kind: Attribute,
577 lookup: "repr",
578 },
579 CompletionItem {
580 label: "should_panic(…)",
581 source_range: 2..2,
582 delete: 2..2,
583 insert: "should_panic(expected = \"${0:reason}\")",
584 kind: Attribute,
585 lookup: "should_panic",
586 },
587 CompletionItem {
588 label: "target_feature = \"…\"",
589 source_range: 2..2,
590 delete: 2..2,
591 insert: "target_feature = \"${0:feature}\"",
592 kind: Attribute,
593 lookup: "target_feature",
594 },
595 CompletionItem {
596 label: "test",
597 source_range: 2..2,
598 delete: 2..2,
599 insert: "test",
600 kind: Attribute,
601 },
602 CompletionItem {
603 label: "used",
604 source_range: 2..2,
605 delete: 2..2,
606 insert: "used",
607 kind: Attribute,
608 },
609 CompletionItem {
610 label: "warn(…)",
611 source_range: 2..2,
612 delete: 2..2,
613 insert: "warn(${0:lint})",
614 kind: Attribute,
615 lookup: "warn",
616 },
617 ]
618 "###
619 );
620 } 324 }
621 325
622 #[test] 326 #[test]
623 fn test_attribute_completion_inside_nested_attr() { 327 fn test_attribute_completion_inside_nested_attr() {
624 assert_debug_snapshot!( 328 check(r#"#[allow(<|>)]"#, expect![[]])
625 do_attr_completion(
626 r"
627 #[allow(<|>)]
628 ",
629 ),
630 @r###"
631 []
632 "###
633 );
634 } 329 }
635 330
636 #[test] 331 #[test]
637 fn test_inner_attribute_completion() { 332 fn test_inner_attribute_completion() {
638 assert_debug_snapshot!( 333 check(
639 do_attr_completion( 334 r"#![<|>]",
640 r" 335 expect![[r#"
641 #![<|>] 336 at allow(…)
642 ", 337 at cfg(…)
643 ), 338 at cfg_attr(…)
644 @r###" 339 at deny(…)
645 [ 340 at deprecated = "…"
646 CompletionItem { 341 at derive(…)
647 label: "allow(…)", 342 at doc = "…"
648 source_range: 3..3, 343 at feature(…)
649 delete: 3..3, 344 at forbid(…)
650 insert: "allow(${0:lint})", 345 at global_allocator
651 kind: Attribute, 346 at ignore(…)
652 lookup: "allow", 347 at inline(…)
653 }, 348 at link
654 CompletionItem { 349 at link_name = "…"
655 label: "cfg(…)", 350 at macro_export
656 source_range: 3..3, 351 at macro_use
657 delete: 3..3, 352 at must_use = "…"
658 insert: "cfg(${0:predicate})", 353 at no_mangle
659 kind: Attribute, 354 at no_std
660 lookup: "cfg", 355 at non_exhaustive
661 }, 356 at panic_handler
662 CompletionItem { 357 at path = "…"
663 label: "cfg_attr(…)", 358 at proc_macro
664 source_range: 3..3, 359 at proc_macro_attribute
665 delete: 3..3, 360 at proc_macro_derive(…)
666 insert: "cfg_attr(${1:predicate}, ${0:attr})", 361 at recursion_limit = …
667 kind: Attribute, 362 at repr(…)
668 lookup: "cfg_attr", 363 at should_panic(…)
669 }, 364 at target_feature = "…"
670 CompletionItem { 365 at test
671 label: "deny(…)", 366 at used
672 source_range: 3..3, 367 at warn(…)
673 delete: 3..3, 368 at windows_subsystem = "…"
674 insert: "deny(${0:lint})", 369 "#]],
675 kind: Attribute,
676 lookup: "deny",
677 },
678 CompletionItem {
679 label: "deprecated = \"…\"",
680 source_range: 3..3,
681 delete: 3..3,
682 insert: "deprecated = \"${0:reason}\"",
683 kind: Attribute,
684 lookup: "deprecated",
685 },
686 CompletionItem {
687 label: "derive(…)",
688 source_range: 3..3,
689 delete: 3..3,
690 insert: "derive(${0:Debug})",
691 kind: Attribute,
692 lookup: "derive",
693 },
694 CompletionItem {
695 label: "doc = \"…\"",
696 source_range: 3..3,
697 delete: 3..3,
698 insert: "doc = \"${0:docs}\"",
699 kind: Attribute,
700 lookup: "doc",
701 },
702 CompletionItem {
703 label: "feature(…)",
704 source_range: 3..3,
705 delete: 3..3,
706 insert: "feature(${0:flag})",
707 kind: Attribute,
708 lookup: "feature",
709 },
710 CompletionItem {
711 label: "forbid(…)",
712 source_range: 3..3,
713 delete: 3..3,
714 insert: "forbid(${0:lint})",
715 kind: Attribute,
716 lookup: "forbid",
717 },
718 CompletionItem {
719 label: "global_allocator",
720 source_range: 3..3,
721 delete: 3..3,
722 insert: "global_allocator",
723 kind: Attribute,
724 },
725 CompletionItem {
726 label: "ignore(…)",
727 source_range: 3..3,
728 delete: 3..3,
729 insert: "ignore(${0:lint})",
730 kind: Attribute,
731 lookup: "ignore",
732 },
733 CompletionItem {
734 label: "inline(…)",
735 source_range: 3..3,
736 delete: 3..3,
737 insert: "inline(${0:lint})",
738 kind: Attribute,
739 lookup: "inline",
740 },
741 CompletionItem {
742 label: "link",
743 source_range: 3..3,
744 delete: 3..3,
745 insert: "link",
746 kind: Attribute,
747 },
748 CompletionItem {
749 label: "link_name = \"…\"",
750 source_range: 3..3,
751 delete: 3..3,
752 insert: "link_name = \"${0:symbol_name}\"",
753 kind: Attribute,
754 lookup: "link_name",
755 },
756 CompletionItem {
757 label: "macro_export",
758 source_range: 3..3,
759 delete: 3..3,
760 insert: "macro_export",
761 kind: Attribute,
762 },
763 CompletionItem {
764 label: "macro_use",
765 source_range: 3..3,
766 delete: 3..3,
767 insert: "macro_use",
768 kind: Attribute,
769 },
770 CompletionItem {
771 label: "must_use = \"…\"",
772 source_range: 3..3,
773 delete: 3..3,
774 insert: "must_use = \"${0:reason}\"",
775 kind: Attribute,
776 lookup: "must_use",
777 },
778 CompletionItem {
779 label: "no_mangle",
780 source_range: 3..3,
781 delete: 3..3,
782 insert: "no_mangle",
783 kind: Attribute,
784 },
785 CompletionItem {
786 label: "no_std",
787 source_range: 3..3,
788 delete: 3..3,
789 insert: "no_std",
790 kind: Attribute,
791 },
792 CompletionItem {
793 label: "non_exhaustive",
794 source_range: 3..3,
795 delete: 3..3,
796 insert: "non_exhaustive",
797 kind: Attribute,
798 },
799 CompletionItem {
800 label: "panic_handler",
801 source_range: 3..3,
802 delete: 3..3,
803 insert: "panic_handler",
804 kind: Attribute,
805 },
806 CompletionItem {
807 label: "path = \"…\"",
808 source_range: 3..3,
809 delete: 3..3,
810 insert: "path =\"${0:path}\"",
811 kind: Attribute,
812 lookup: "path",
813 },
814 CompletionItem {
815 label: "proc_macro",
816 source_range: 3..3,
817 delete: 3..3,
818 insert: "proc_macro",
819 kind: Attribute,
820 },
821 CompletionItem {
822 label: "proc_macro_attribute",
823 source_range: 3..3,
824 delete: 3..3,
825 insert: "proc_macro_attribute",
826 kind: Attribute,
827 },
828 CompletionItem {
829 label: "proc_macro_derive(…)",
830 source_range: 3..3,
831 delete: 3..3,
832 insert: "proc_macro_derive(${0:Trait})",
833 kind: Attribute,
834 lookup: "proc_macro_derive",
835 },
836 CompletionItem {
837 label: "recursion_limit = …",
838 source_range: 3..3,
839 delete: 3..3,
840 insert: "recursion_limit = ${0:128}",
841 kind: Attribute,
842 lookup: "recursion_limit",
843 },
844 CompletionItem {
845 label: "repr(…)",
846 source_range: 3..3,
847 delete: 3..3,
848 insert: "repr(${0:C})",
849 kind: Attribute,
850 lookup: "repr",
851 },
852 CompletionItem {
853 label: "should_panic(…)",
854 source_range: 3..3,
855 delete: 3..3,
856 insert: "should_panic(expected = \"${0:reason}\")",
857 kind: Attribute,
858 lookup: "should_panic",
859 },
860 CompletionItem {
861 label: "target_feature = \"…\"",
862 source_range: 3..3,
863 delete: 3..3,
864 insert: "target_feature = \"${0:feature}\"",
865 kind: Attribute,
866 lookup: "target_feature",
867 },
868 CompletionItem {
869 label: "test",
870 source_range: 3..3,
871 delete: 3..3,
872 insert: "test",
873 kind: Attribute,
874 },
875 CompletionItem {
876 label: "used",
877 source_range: 3..3,
878 delete: 3..3,
879 insert: "used",
880 kind: Attribute,
881 },
882 CompletionItem {
883 label: "warn(…)",
884 source_range: 3..3,
885 delete: 3..3,
886 insert: "warn(${0:lint})",
887 kind: Attribute,
888 lookup: "warn",
889 },
890 CompletionItem {
891 label: "windows_subsystem = \"…\"",
892 source_range: 3..3,
893 delete: 3..3,
894 insert: "windows_subsystem = \"${0:subsystem}\"",
895 kind: Attribute,
896 lookup: "windows_subsystem",
897 },
898 ]
899 "###
900 ); 370 );
901 } 371 }
902} 372}
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