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803 Commits

Author SHA1 Message Date
Slava Pestov
ac17292dfe Sema: Record preconcurrency closures in the trail 2024-10-07 16:50:48 -04:00
Slava Pestov
b961a7ec51 Sema: Record isolated parameters in the trail 2024-10-07 16:50:48 -04:00
Slava Pestov
1d177d0187 Sema: Record expression patterns in the trail 2024-10-07 16:50:48 -04:00
Slava Pestov
500acd122a Sema: Record potential throw sites in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
39d0eab275 Sema: Record case label items in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
8c8a385a4a Sema: Record SyntacticElementTargetKeys in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
516277f0fd Sema: Record contextual types in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
666361adf2 Sema: Record implied results in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
1d18cd07cf Sema: Record closure types in the trail 2024-10-07 16:50:47 -04:00
Slava Pestov
43a4ac9216 Sema: Record resolved overloads in the trail 2024-10-07 16:50:46 -04:00
Slava Pestov
9201a37519 Sema: Strenghten invariants in SolverTrail::Change::undo() 2024-10-07 16:50:46 -04:00
Slava Pestov
6862955244 Sema: Record applied property wrappers in the trail 2024-10-07 16:50:46 -04:00
Slava Pestov
c7edc3494e Sema: Record result builder transforms in the trail 2024-10-07 16:50:45 -04:00
Slava Pestov
64293ece51 Sema: Push reconciliation down into applySolution() to strengthen invariants 
Now, we assert if you try to record the same change twice in any
other code path.
 2024-10-07 16:50:45 -04:00
Slava Pestov
9115a46736 Sema: Record favored constraints in the trail 2024-10-07 16:50:45 -04:00
Slava Pestov
b2adf51d78 Sema: Record disabled constraints in the trail 2024-10-07 16:50:45 -04:00
Slava Pestov
411c590bc8 Sema: Record key path component types in the trail 2024-10-07 16:50:44 -04:00
Slava Pestov
7ea975015f Sema: Record ASTNode types in the trail 2024-10-07 16:50:44 -04:00
Slava Pestov
3dc16a9f5b Sema: Record defaulted constraints in the trail 2024-10-01 18:10:20 -04:00
Slava Pestov
fcd6bc04fd Sema: Remove Solution::PackElementGenericEnvironments 2024-10-01 18:10:20 -04:00
Slava Pestov
0518b762d1 Sema: Record pack environments in the trail 2024-10-01 18:10:20 -04:00
Slava Pestov
f51bf3cf9d Sema: Record pack expansion environments in the trail 2024-10-01 18:10:20 -04:00
Slava Pestov
9afb1a960b Sema: Record opened pack expansion types in the trail 2024-10-01 18:10:20 -04:00
Slava Pestov
7d3350d0f2 Sema: Record opened existential types in the trail 2024-10-01 18:10:19 -04:00
Slava Pestov
f963f36a16 Sema: Record opened types in the trail 2024-10-01 18:10:19 -04:00
Slava Pestov
a9f392278f Sema: Record argument matching choices in the trail 2024-10-01 18:10:18 -04:00
Slava Pestov
8b4a58fb02 Sema: Record applied disjunctions in the trail 2024-10-01 18:10:18 -04:00
Slava Pestov
8799596bed Sema: Record disjunction choices in the trail 2024-10-01 18:10:18 -04:00
Slava Pestov
49487b8893 Sema: Record fixed requirements in the trail 2024-10-01 18:10:17 -04:00
Slava Pestov
df692edc7c Sema: Record fixes in the trail 2024-10-01 12:34:41 -04:00
Slava Pestov
62a470e3d5 Sema: Record conversion restrictions in the trail 2024-10-01 12:34:41 -04:00
Slava Pestov
105b6b39a9 Sema: Remove ConstraintGraphScope 2024-09-26 23:15:27 -04:00
Slava Pestov
8ee4eeee55 Sema: Migrate SavedTypeVariableBindings to SolverTrail 2024-09-26 23:15:27 -04:00
Slava Pestov
4cc27c9b20 Sema: Factor out SolverTrail from ConstraintGraph 2024-09-26 23:15:26 -04:00
Slava Pestov
5a43d2403e Sema: Simplify opened existential types in solution 2024-09-04 10:42:19 -04:00
Tim Kientzle
1098054291 Merge branch 'main' into tbkka-assertions2 2024-06-18 17:52:00 -07:00
Hamish Knight
7c7e914dfe [Completion] Skip tryOptimizeGenericDisjunction if there's a completion child 
Attempting to favor a disjunction choice here
can lead to unhelpful results if there's e.g a code
completion token argument, since it acts as a
placeholder.

rdar://127844278
 2024-06-12 19:38:09 +01:00
Tim Kientzle
1d961ba22d Add #include "swift/Basic/Assertions.h" to a lot of source files 
Although I don't plan to bring over new assertions wholesale
into the current qualification branch, it's entirely possible
that various minor changes in main will use the new assertions;
having this basic support in the release branch will simplify that.
(This is why I'm adding the includes as a separate pass from
rewriting the individual assertions)
 2024-06-05 19:37:30 -07:00
Holly Borla
8834861218 [ConstraintSystem] Order VarDecls before other kinds of decls in disjunctions. 2024-04-01 17:19:53 -07:00
Anthony Latsis
5d848e784f [NFC] AST: Merge SimpleIdentTypeRepr & GenericIdentTypeRepr into UnqualifiedIdentTypeRepr 2024-03-02 14:59:37 +03:00
Ben Barham
ef8825bfe6 Migrate llvm::Optional to std::optional 
LLVM has removed llvm::Optional, move over to std::optional. Also
clang-format to fix up all the renamed #includes.
 2024-02-21 11:20:06 -08:00
Pavel Yaskevich
0db22316a2 [ConstraintSystem] Record conformances synthesized for ad-hoc distributed requirements 2024-02-12 14:26:30 -08:00
Hamish Knight
61a4148925 [CS] Generalize implied result handling 
Track the implied result exprs in the constraint
system, and allow arbitrary propagation of
implied results down if/switch expression
branches. This is required for allowing implied
results in non-single-expression closures.
 2024-02-07 18:14:22 +00:00
Hamish Knight
16cfca4186 [ASTWalker] NFC: Rename SkipChildren -> SkipNode 
This better describes what the action currently
does, and allows us to re-introduce `SkipChildren`
with the correct behavior.
 2024-02-05 15:27:25 +00:00
Sima Nerush
066f253d2e Merge pull request #70196 from simanerush/nested-pack-iteration 
[SE-0408] Enable nested iteration
 2024-01-27 10:18:12 -08:00
Sima Nerush
0b167b55b1 [ConstraintSystem] Cache pack element generic environments associated withfor-in loops over parameter packs to apply in getPackElementEnvironment. 2024-01-27 00:12:33 -08:00
Slava Pestov
78551fa9a7 Sema: Don't call checkConformance() on a type that may contain type variables 2024-01-17 19:59:58 -05:00
Doug Gregor
ab5ab28010 Merge pull request #70454 from DougGregor/full-typed-throws-inference 
[Typed throws] Implement thrown type inference for do..catch within closures
 2023-12-14 16:09:33 -08:00
Doug Gregor
8ad137fb51 [Typed throws] Infer thrown error type for do..catch blocks within closures. 
Start classifying all potential throw sites within a constraint
system and associate them with the nearest enclosing catch node. Then,
determine the thrown error type for a given catch node by taking the
union of the thrown errors at each potential throw site. Use this to
compute the error type thrown from the body of a `do..catch` block
within a closure.

This behavior is limited to the upcoming feature `FullTypedThrows`.
 2023-12-13 14:59:23 -08:00
Pavel Yaskevich
09a5b99446 [ConstraintSystem] Run salvage even if diagnostics are suppressed 
There are some situations where the solver is able to find a valid
solution only during `salvage` (mostly but not limited to unavailable
declarations), which means that we need to keep running `salvage`
even if the diagnostics are suppressed until the underlying issues
in the normal solving mode are fixed.

One of the issues:

```swift
extension Unmanaged {
  @inline(__always)
  internal static func passRetained(_ instance: __owned Instance?) -> Self? {
    guard let instance = instance else { return nil }
    return .passRetained(instance)
  }
}
```

`.passRetained(instance)` is ambiguous during normal solving but
is able to find a solution during `salvage` because it attemtps
more type bindings.

Resolves: rdar://119001449
 2023-12-12 10:53:06 -08:00