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56e38b33b6
Forming an isolated conformance to a SendableMetatype-inherting protocol opens up a soundness hole any time the conformance is used. Reword the recently-introduced diagnostic for this case and promote it to an error (except when it's preconcurrency). Fixes rdar://154808002.
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
//===--- Concurrency.h ----------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2024 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_AST_CONCURRENCY_H
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#define SWIFT_AST_CONCURRENCY_H
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#include "swift/AST/DiagnosticEngine.h"
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#include <optional>
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namespace swift {
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/// Find the imported module that treats the given nominal type as "preconcurrency", or return `nullptr`
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/// if there is no such module.
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ModuleDecl *moduleImportForPreconcurrency(NominalTypeDecl *nominal,
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const DeclContext *fromDC);
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/// Determinate the appropriate diagnostic behavior to used when emitting
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/// concurrency diagnostics when referencing the given nominal type from the
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/// given declaration context.
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std::optional<DiagnosticBehavior>
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getConcurrencyDiagnosticBehaviorLimit(NominalTypeDecl *nominal,
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const DeclContext *fromDC,
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bool ignoreExplicitConformance = false);
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/// Determine whether the given nominal type has an explicit Sendable
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/// conformance (regardless of its availability).
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bool hasExplicitSendableConformance(NominalTypeDecl *nominal,
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bool applyModuleDefault = true);
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} // namespace swift
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#endif
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