microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
compiler/qsc_frontend/src/incremental/tests.rs
720lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | use super::{Compiler, Increment}; |
| 5 | use crate::{ |
| 6 | compile::{self, CompileUnit, PackageStore, SourceMap}, |
| 7 | incremental::Error, |
| 8 | }; |
| 9 | use expect_test::{expect, Expect}; |
| 10 | use indoc::indoc; |
| 11 | use miette::Diagnostic; |
| 12 | use qsc_data_structures::{language_features::LanguageFeatures, target::TargetCapabilityFlags}; |
| 13 | use std::{fmt::Write, sync::Arc}; |
| 14 | |
| 15 | #[allow(clippy::too_many_lines)] |
| 16 | #[test] |
| 17 | fn one_callable() { |
| 18 | let store = PackageStore::new(compile::core()); |
| 19 | let mut compiler = Compiler::new( |
| 20 | &store, |
| 21 | &[], |
| 22 | TargetCapabilityFlags::all(), |
| 23 | LanguageFeatures::default(), |
| 24 | ); |
| 25 | let unit = compiler |
| 26 | .compile_fragments( |
| 27 | &mut CompileUnit::default(), |
| 28 | "test_1", |
| 29 | "namespace Foo { operation Main() : Unit {} }", |
| 30 | fail_on_error, |
| 31 | ) |
| 32 | .expect("compilation should succeed"); |
| 33 | |
| 34 | check_unit( |
| 35 | &expect![[r#" |
| 36 | ast: |
| 37 | Package 0: |
| 38 | Namespace 1 [0-44] (Ident 2 [10-13] "Foo"): |
| 39 | Item 3 [16-42]: |
| 40 | Callable 4 [16-42] (Operation): |
| 41 | name: Ident 5 [26-30] "Main" |
| 42 | input: Pat 6 [30-32]: Unit |
| 43 | output: Type 7 [35-39]: Path: Path 8 [35-39] (Ident 9 [35-39] "Unit") |
| 44 | body: Block: Block 10 [40-42]: <empty> |
| 45 | names: |
| 46 | node_id:1,node_id:5,node_id:8, |
| 47 | terms: |
| 48 | node_id:6,node_id:10, |
| 49 | locals: |
| 50 | Locals { |
| 51 | scopes: [ |
| 52 | Scope { |
| 53 | span: Span { |
| 54 | lo: 0, |
| 55 | hi: 4294967295, |
| 56 | }, |
| 57 | kind: Block, |
| 58 | opens: {}, |
| 59 | tys: {}, |
| 60 | terms: {}, |
| 61 | vars: {}, |
| 62 | ty_vars: {}, |
| 63 | }, |
| 64 | Scope { |
| 65 | span: Span { |
| 66 | lo: 0, |
| 67 | hi: 44, |
| 68 | }, |
| 69 | kind: Namespace( |
| 70 | NamespaceId( |
| 71 | 5, |
| 72 | ), |
| 73 | ), |
| 74 | opens: { |
| 75 | []: [ |
| 76 | Open { |
| 77 | namespace: NamespaceId( |
| 78 | 5, |
| 79 | ), |
| 80 | span: Span { |
| 81 | lo: 10, |
| 82 | hi: 13, |
| 83 | }, |
| 84 | }, |
| 85 | ], |
| 86 | }, |
| 87 | tys: {}, |
| 88 | terms: {}, |
| 89 | vars: {}, |
| 90 | ty_vars: {}, |
| 91 | }, |
| 92 | Scope { |
| 93 | span: Span { |
| 94 | lo: 16, |
| 95 | hi: 42, |
| 96 | }, |
| 97 | kind: Callable, |
| 98 | opens: {}, |
| 99 | tys: {}, |
| 100 | terms: {}, |
| 101 | vars: {}, |
| 102 | ty_vars: {}, |
| 103 | }, |
| 104 | Scope { |
| 105 | span: Span { |
| 106 | lo: 40, |
| 107 | hi: 42, |
| 108 | }, |
| 109 | kind: Block, |
| 110 | opens: {}, |
| 111 | tys: {}, |
| 112 | terms: {}, |
| 113 | vars: {}, |
| 114 | ty_vars: {}, |
| 115 | }, |
| 116 | ], |
| 117 | } |
| 118 | hir: |
| 119 | Package: |
| 120 | Item 0 [0-44] (Public): |
| 121 | Namespace (Ident 5 [10-13] "Foo"): Item 1 |
| 122 | Item 1 [16-42] (Internal): |
| 123 | Parent: 0 |
| 124 | Callable 0 [16-42] (operation): |
| 125 | name: Ident 1 [26-30] "Main" |
| 126 | input: Pat 2 [30-32] [Type Unit]: Unit |
| 127 | output: Unit |
| 128 | functors: empty set |
| 129 | body: SpecDecl 3 [16-42]: Impl: |
| 130 | Block 4 [40-42]: <empty> |
| 131 | adj: <none> |
| 132 | ctl: <none> |
| 133 | ctl-adj: <none>"#]], |
| 134 | &unit, |
| 135 | ); |
| 136 | } |
| 137 | |
| 138 | #[test] |
| 139 | fn one_statement() { |
| 140 | let store = PackageStore::new(compile::core()); |
| 141 | let mut compiler = Compiler::new( |
| 142 | &store, |
| 143 | &[], |
| 144 | TargetCapabilityFlags::all(), |
| 145 | LanguageFeatures::default(), |
| 146 | ); |
| 147 | let unit = compiler |
| 148 | .compile_fragments( |
| 149 | &mut CompileUnit::default(), |
| 150 | "test_1", |
| 151 | "use q = Qubit();", |
| 152 | fail_on_error, |
| 153 | ) |
| 154 | .expect("compilation should succeed"); |
| 155 | |
| 156 | check_unit( |
| 157 | &expect![[r#" |
| 158 | ast: |
| 159 | Package 0: |
| 160 | Stmt 1 [0-16]: Qubit (Fresh) |
| 161 | Pat 2 [4-5]: Bind: |
| 162 | Ident 3 [4-5] "q" |
| 163 | QubitInit 4 [8-15] Single |
| 164 | names: |
| 165 | node_id:3, |
| 166 | terms: |
| 167 | node_id:1,node_id:2,node_id:3,node_id:4, |
| 168 | locals: |
| 169 | Locals { |
| 170 | scopes: [ |
| 171 | Scope { |
| 172 | span: Span { |
| 173 | lo: 0, |
| 174 | hi: 4294967295, |
| 175 | }, |
| 176 | kind: Block, |
| 177 | opens: {}, |
| 178 | tys: {}, |
| 179 | terms: {}, |
| 180 | vars: { |
| 181 | "q": ( |
| 182 | 16, |
| 183 | NodeId( |
| 184 | 3, |
| 185 | ), |
| 186 | ), |
| 187 | }, |
| 188 | ty_vars: {}, |
| 189 | }, |
| 190 | ], |
| 191 | } |
| 192 | hir: |
| 193 | Package: |
| 194 | Stmt 0 [0-16]: Qubit (Fresh) |
| 195 | Pat 1 [4-5] [Type Qubit]: Bind: Ident 2 [4-5] "q" |
| 196 | QubitInit 3 [8-15] [Type Qubit]: Single"#]], |
| 197 | &unit, |
| 198 | ); |
| 199 | } |
| 200 | |
| 201 | #[test] |
| 202 | fn parse_error() { |
| 203 | let store = PackageStore::new(compile::core()); |
| 204 | let mut compiler = Compiler::new( |
| 205 | &store, |
| 206 | &[], |
| 207 | TargetCapabilityFlags::all(), |
| 208 | LanguageFeatures::default(), |
| 209 | ); |
| 210 | let errors = compiler |
| 211 | .compile_fragments(&mut CompileUnit::default(), "test_1", "}}", fail_on_error) |
| 212 | .expect_err("should fail"); |
| 213 | |
| 214 | expect![[r#" |
| 215 | [ |
| 216 | WithSource { |
| 217 | sources: [ |
| 218 | Source { |
| 219 | name: "test_1", |
| 220 | contents: "}}", |
| 221 | offset: 0, |
| 222 | }, |
| 223 | ], |
| 224 | error: Error( |
| 225 | Parse( |
| 226 | Error( |
| 227 | Token( |
| 228 | Eof, |
| 229 | Close( |
| 230 | Brace, |
| 231 | ), |
| 232 | Span { |
| 233 | lo: 0, |
| 234 | hi: 1, |
| 235 | }, |
| 236 | ), |
| 237 | ), |
| 238 | ), |
| 239 | ), |
| 240 | }, |
| 241 | ] |
| 242 | "#]] |
| 243 | .assert_debug_eq(&errors); |
| 244 | } |
| 245 | |
| 246 | #[test] |
| 247 | fn conditional_compilation_not_available() { |
| 248 | let store = PackageStore::new(compile::core()); |
| 249 | let mut compiler = Compiler::new( |
| 250 | &store, |
| 251 | &[], |
| 252 | TargetCapabilityFlags::all(), |
| 253 | LanguageFeatures::default(), |
| 254 | ); |
| 255 | let errors = compiler |
| 256 | .compile_fragments( |
| 257 | &mut CompileUnit::default(), |
| 258 | "test_1", |
| 259 | indoc! {" |
| 260 | @Config(Base) |
| 261 | function Dropped() : Unit {} |
| 262 | |
| 263 | function Usage() : Unit { |
| 264 | Dropped(); |
| 265 | } |
| 266 | "}, |
| 267 | fail_on_error, |
| 268 | ) |
| 269 | .expect_err("should fail"); |
| 270 | |
| 271 | assert!(!errors.is_empty()); |
| 272 | } |
| 273 | |
| 274 | #[test] |
| 275 | fn errors_across_multiple_lines() { |
| 276 | let mut store = PackageStore::new(compile::core()); |
| 277 | let std_id = store.insert(compile::std(&store, TargetCapabilityFlags::all())); |
| 278 | let mut compiler = Compiler::new( |
| 279 | &store, |
| 280 | &[(std_id, None)], |
| 281 | TargetCapabilityFlags::all(), |
| 282 | LanguageFeatures::default(), |
| 283 | ); |
| 284 | let mut unit = CompileUnit::default(); |
| 285 | compiler |
| 286 | .compile_fragments( |
| 287 | &mut unit, |
| 288 | "line_1", |
| 289 | "namespace Other { operation DumpMachine() : Unit { } }", |
| 290 | fail_on_error, |
| 291 | ) |
| 292 | .expect("should succeed"); |
| 293 | |
| 294 | compiler |
| 295 | .compile_fragments(&mut unit, "line_2", "open Other;", fail_on_error) |
| 296 | .expect("should succeed"); |
| 297 | |
| 298 | compiler |
| 299 | .compile_fragments( |
| 300 | &mut unit, |
| 301 | "line_3", |
| 302 | "open Microsoft.Quantum.Diagnostics;", |
| 303 | fail_on_error, |
| 304 | ) |
| 305 | .expect("should succeed"); |
| 306 | |
| 307 | let errors = compiler |
| 308 | .compile_fragments(&mut unit, "line_4", "DumpMachine()", fail_on_error) |
| 309 | .expect_err("should fail"); |
| 310 | |
| 311 | // Here we're validating that the compiler is able to return |
| 312 | // error labels mapping to different lines. |
| 313 | // The `Ambiguous` error is chosen as a test case because |
| 314 | // it contains multiple spans. |
| 315 | let labels = errors |
| 316 | .iter() |
| 317 | .flat_map(|e| e.labels().into_iter().flatten()) |
| 318 | .map(|l| { |
| 319 | unit.sources |
| 320 | .find_by_offset(u32::try_from(l.offset()).expect("offset should fit into u32")) |
| 321 | .map(|s| &s.name) |
| 322 | }) |
| 323 | .collect::<Vec<_>>(); |
| 324 | |
| 325 | expect![[r#" |
| 326 | [ |
| 327 | Some( |
| 328 | "line_4", |
| 329 | ), |
| 330 | Some( |
| 331 | "line_2", |
| 332 | ), |
| 333 | Some( |
| 334 | "line_3", |
| 335 | ), |
| 336 | Some( |
| 337 | "line_4", |
| 338 | ), |
| 339 | ] |
| 340 | "#]] |
| 341 | .assert_debug_eq(&labels); |
| 342 | } |
| 343 | |
| 344 | #[test] |
| 345 | fn continue_after_parse_error() { |
| 346 | let store = PackageStore::new(compile::core()); |
| 347 | let mut compiler = Compiler::new( |
| 348 | &store, |
| 349 | &Vec::new(), |
| 350 | TargetCapabilityFlags::all(), |
| 351 | LanguageFeatures::default(), |
| 352 | ); |
| 353 | let mut errors = Vec::new(); |
| 354 | |
| 355 | compiler |
| 356 | .compile_fragments( |
| 357 | &mut CompileUnit::default(), |
| 358 | "test_1", |
| 359 | "operation Main() : Foo { |
| 360 | }}", |
| 361 | |e| -> Result<(), ()> { |
| 362 | errors.extend(e); |
| 363 | Ok(()) |
| 364 | }, |
| 365 | ) |
| 366 | .expect("compile_fragments should succeed"); |
| 367 | |
| 368 | expect![[r#" |
| 369 | [ |
| 370 | WithSource { |
| 371 | sources: [ |
| 372 | Source { |
| 373 | name: "test_1", |
| 374 | contents: "operation Main() : Foo {\n }}", |
| 375 | offset: 0, |
| 376 | }, |
| 377 | ], |
| 378 | error: Error( |
| 379 | Parse( |
| 380 | Error( |
| 381 | Token( |
| 382 | Eof, |
| 383 | Close( |
| 384 | Brace, |
| 385 | ), |
| 386 | Span { |
| 387 | lo: 38, |
| 388 | hi: 39, |
| 389 | }, |
| 390 | ), |
| 391 | ), |
| 392 | ), |
| 393 | ), |
| 394 | }, |
| 395 | WithSource { |
| 396 | sources: [ |
| 397 | Source { |
| 398 | name: "test_1", |
| 399 | contents: "operation Main() : Foo {\n }}", |
| 400 | offset: 0, |
| 401 | }, |
| 402 | ], |
| 403 | error: Error( |
| 404 | Resolve( |
| 405 | NotFound( |
| 406 | "Foo", |
| 407 | Span { |
| 408 | lo: 19, |
| 409 | hi: 22, |
| 410 | }, |
| 411 | ), |
| 412 | ), |
| 413 | ), |
| 414 | }, |
| 415 | ] |
| 416 | "#]] |
| 417 | .assert_debug_eq(&errors); |
| 418 | } |
| 419 | |
| 420 | #[test] |
| 421 | fn continue_after_lower_error() { |
| 422 | let store = PackageStore::new(compile::core()); |
| 423 | let mut compiler = Compiler::new( |
| 424 | &store, |
| 425 | &[], |
| 426 | TargetCapabilityFlags::all(), |
| 427 | LanguageFeatures::default(), |
| 428 | ); |
| 429 | let mut unit = CompileUnit::default(); |
| 430 | |
| 431 | let mut errors = Vec::new(); |
| 432 | |
| 433 | compiler |
| 434 | .compile_fragments( |
| 435 | &mut unit, |
| 436 | "test_1", |
| 437 | "operation A(q : Qubit) : Unit is Adj { |
| 438 | adjoint ... {} |
| 439 | }", |
| 440 | |e| -> Result<(), ()> { |
| 441 | errors = e; |
| 442 | Ok(()) |
| 443 | }, |
| 444 | ) |
| 445 | .expect("compile_fragments should succeed"); |
| 446 | |
| 447 | expect![[r#" |
| 448 | [ |
| 449 | WithSource { |
| 450 | sources: [ |
| 451 | Source { |
| 452 | name: "test_1", |
| 453 | contents: "operation A(q : Qubit) : Unit is Adj {\n adjoint ... {}\n }", |
| 454 | offset: 0, |
| 455 | }, |
| 456 | ], |
| 457 | error: Error( |
| 458 | Lower( |
| 459 | MissingBody( |
| 460 | Span { |
| 461 | lo: 0, |
| 462 | hi: 83, |
| 463 | }, |
| 464 | ), |
| 465 | ), |
| 466 | ), |
| 467 | }, |
| 468 | ] |
| 469 | "#]].assert_debug_eq(&errors); |
| 470 | } |
| 471 | #[test] |
| 472 | fn import_foo() { |
| 473 | multi_package_test( |
| 474 | vec![( |
| 475 | "PackageA.qs", |
| 476 | indoc! {" |
| 477 | operation Foo(x: Int, y: Bool) : Int { |
| 478 | x |
| 479 | } |
| 480 | export Foo; |
| 481 | "}, |
| 482 | )], |
| 483 | vec![( |
| 484 | "PackageB.qs", |
| 485 | indoc! {" |
| 486 | import A.PackageA.Foo; |
| 487 | "}, |
| 488 | )], |
| 489 | &[("A", "PackageA")], |
| 490 | "", |
| 491 | ); |
| 492 | } |
| 493 | |
| 494 | #[test] |
| 495 | fn import_foo_with_alias() { |
| 496 | multi_package_test( |
| 497 | vec![( |
| 498 | "PackageA.qs", |
| 499 | indoc! {" |
| 500 | operation Foo(x: Int, y: Bool) : Int { |
| 501 | x |
| 502 | } |
| 503 | export Foo; |
| 504 | "}, |
| 505 | )], |
| 506 | vec![( |
| 507 | "PackageB.qs", |
| 508 | indoc! {" |
| 509 | import A.PackageA.Foo as Foo2; |
| 510 | "}, |
| 511 | )], |
| 512 | &[("A", "PackageA")], |
| 513 | "", |
| 514 | ); |
| 515 | } |
| 516 | |
| 517 | #[test] |
| 518 | fn export_foo_with_alias() { |
| 519 | multi_package_test( |
| 520 | vec![( |
| 521 | "PackageA.qs", |
| 522 | indoc! {" |
| 523 | operation Foo(x: Int, y: Bool) : Int { |
| 524 | x |
| 525 | } |
| 526 | export Foo; |
| 527 | "}, |
| 528 | )], |
| 529 | vec![( |
| 530 | "PackageB.qs", |
| 531 | indoc! {" |
| 532 | import A.PackageA.Foo; |
| 533 | export Foo as Bar; |
| 534 | "}, |
| 535 | )], |
| 536 | &[("A", "PackageA")], |
| 537 | "", |
| 538 | ); |
| 539 | } |
| 540 | |
| 541 | #[test] |
| 542 | fn combined_import_export() { |
| 543 | multi_package_test( |
| 544 | vec![( |
| 545 | "PackageA.qs", |
| 546 | indoc! {" |
| 547 | operation Foo(x: Int, y: Bool) : Int { |
| 548 | x |
| 549 | } |
| 550 | export Foo; |
| 551 | "}, |
| 552 | )], |
| 553 | vec![( |
| 554 | "PackageB.qs", |
| 555 | indoc! {" |
| 556 | import A.PackageA.Foo; |
| 557 | import A.PackageA.Foo as Foo2; |
| 558 | export Foo, Foo as Bar, Foo2, Foo2 as Bar2; |
| 559 | "}, |
| 560 | )], |
| 561 | &[("A", "PackageA")], |
| 562 | indoc! {" |
| 563 | import B.PackageB.Foo, B.PackageB.Bar, B.PackageB.Foo2, B.PackageB.Bar2; |
| 564 | @EntryPoint() |
| 565 | function Main() : Unit { |
| 566 | Foo(10, true); |
| 567 | Foo2(10, true); |
| 568 | Bar(10, true); |
| 569 | Bar2(10, true); |
| 570 | } |
| 571 | "}, |
| 572 | ); |
| 573 | } |
| 574 | |
| 575 | #[test] |
| 576 | fn reexport_operation_from_a_dependency() { |
| 577 | multi_package_test( |
| 578 | vec![( |
| 579 | "PackageA.qs", |
| 580 | indoc! {" |
| 581 | operation Foo(x: Int, y: Bool) : Int { |
| 582 | x |
| 583 | } |
| 584 | export Foo; |
| 585 | "}, |
| 586 | )], |
| 587 | vec![( |
| 588 | "PackageB.qs", |
| 589 | indoc! {" |
| 590 | import A.PackageA.Foo; |
| 591 | export Foo as Bar; |
| 592 | "}, |
| 593 | )], |
| 594 | &[("A", "PackageA")], |
| 595 | indoc! {" |
| 596 | import B.PackageB.Bar; |
| 597 | @EntryPoint() |
| 598 | function Main() : Unit { |
| 599 | Bar(10, true); |
| 600 | } |
| 601 | "}, |
| 602 | ); |
| 603 | } |
| 604 | |
| 605 | fn multi_package_test( |
| 606 | packages: Vec<(&str, &str)>, |
| 607 | dependencies: Vec<(&str, &str)>, |
| 608 | imports: &[(&str, &str)], |
| 609 | user_code: &str, |
| 610 | ) { |
| 611 | let mut store = PackageStore::new(compile::core()); |
| 612 | |
| 613 | let packages = packages |
| 614 | .into_iter() |
| 615 | .map(|(name, code)| { |
| 616 | let source_map = SourceMap::new([(name.into(), code.into())], None); |
| 617 | let compiled_package = compile::compile( |
| 618 | &store, |
| 619 | &[], |
| 620 | source_map, |
| 621 | TargetCapabilityFlags::all(), |
| 622 | LanguageFeatures::default(), |
| 623 | ); |
| 624 | assert!( |
| 625 | compiled_package.errors.is_empty(), |
| 626 | "{:#?}", |
| 627 | compiled_package.errors |
| 628 | ); |
| 629 | store.insert(compiled_package) |
| 630 | }) |
| 631 | .collect::<Vec<_>>(); |
| 632 | |
| 633 | let dependencies = dependencies |
| 634 | .into_iter() |
| 635 | .map(|(name, code)| { |
| 636 | let source_map = SourceMap::new([(name.into(), code.into())], None); |
| 637 | let compiled_package = compile::compile( |
| 638 | &store, |
| 639 | &imports |
| 640 | .iter() |
| 641 | .map(|(alias, _)| (packages[0], Some(Arc::from(*alias)))) |
| 642 | .collect::<Vec<_>>(), |
| 643 | source_map, |
| 644 | TargetCapabilityFlags::all(), |
| 645 | LanguageFeatures::default(), |
| 646 | ); |
| 647 | assert!( |
| 648 | compiled_package.errors.is_empty(), |
| 649 | "{:#?}", |
| 650 | compiled_package.errors |
| 651 | ); |
| 652 | store.insert(compiled_package) |
| 653 | }) |
| 654 | .collect::<Vec<_>>(); |
| 655 | |
| 656 | let mut compiler = Compiler::new( |
| 657 | &store, |
| 658 | &dependencies |
| 659 | .iter() |
| 660 | .map(|&pkg| (pkg, Some(Arc::from("B")))) |
| 661 | .collect::<Vec<_>>(), |
| 662 | TargetCapabilityFlags::all(), |
| 663 | LanguageFeatures::default(), |
| 664 | ); |
| 665 | let mut unit = CompileUnit::default(); |
| 666 | |
| 667 | let mut errors = Vec::new(); |
| 668 | |
| 669 | compiler |
| 670 | .compile_fragments(&mut unit, "UserCode", user_code, |e| -> Result<(), ()> { |
| 671 | errors = e; |
| 672 | Ok(()) |
| 673 | }) |
| 674 | .expect("compile_fragments should succeed"); |
| 675 | |
| 676 | expect!["[]"].assert_eq(&format!("{errors:#?}")); |
| 677 | } |
| 678 | fn check_unit(expect: &Expect, actual: &Increment) { |
| 679 | let ast = format!("ast:\n{}", actual.ast.package); |
| 680 | |
| 681 | let names = format!( |
| 682 | "\nnames:\n{}", |
| 683 | actual |
| 684 | .ast |
| 685 | .names |
| 686 | .iter() |
| 687 | .fold(String::new(), |mut output, n| { |
| 688 | let _ = write!(output, "node_id:{},", n.0); |
| 689 | output |
| 690 | }) |
| 691 | ); |
| 692 | let terms = format!( |
| 693 | "\nterms:\n{}", |
| 694 | actual |
| 695 | .ast |
| 696 | .tys |
| 697 | .terms |
| 698 | .iter() |
| 699 | .fold(String::new(), |mut output, n| { |
| 700 | let _ = write!(output, "node_id:{},", n.0); |
| 701 | output |
| 702 | }) |
| 703 | ); |
| 704 | let locals = format!("\nlocals:\n{:#?}", actual.ast.locals); |
| 705 | |
| 706 | let hir = format!("\nhir:\n{}", actual.hir); |
| 707 | |
| 708 | expect.assert_eq( |
| 709 | &[ast, names, terms, locals, hir] |
| 710 | .into_iter() |
| 711 | .collect::<String>(), |
| 712 | ); |
| 713 | } |
| 714 | |
| 715 | fn fail_on_error(errors: Vec<Error>) -> Result<(), Vec<Error>> { |
| 716 | if !errors.is_empty() { |
| 717 | return Err(errors); |
| 718 | } |
| 719 | Ok(()) |
| 720 | } |
| 721 | |