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cc75d5e0cd
When a retroactive conformance to a protocol that inherits from `Sendable` introduces an implicit `Sendable` conformance, allow `@preconcurrency` to suppress the diagnostic about the `Sendable` conformance being introduced outside of the original source file. Fixes rdar://125080066.
61 lines
2.1 KiB
C++
61 lines
2.1 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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///
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/// \file
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///
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/// This file defines concurrency utility routines from Sema that are used by
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/// later parts of the compiler like the pass pipeline.
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///
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SEMA_CONCURRENCY_H
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#define SWIFT_SEMA_CONCURRENCY_H
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#include <optional>
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namespace swift {
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class DeclContext;
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class SourceFile;
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class NominalTypeDecl;
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class VarDecl;
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enum class DiagnosticBehavior: uint8_t;
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/// If any of the imports in this source file was @preconcurrency but there were
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/// no diagnostics downgraded or suppressed due to that @preconcurrency, suggest
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/// that the attribute be removed.
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void diagnoseUnnecessaryPreconcurrencyImports(SourceFile &sf);
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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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/// Diagnose the use of an instance property of non-sendable type from an
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/// nonisolated deinitializer within an actor-isolated type.
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///
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/// \returns true iff a diagnostic was emitted for this reference.
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bool diagnoseNonSendableFromDeinit(
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SourceLoc refLoc, VarDecl *var, DeclContext *dc);
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/// Determinate the appropriate diagnostic behavior when referencing
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/// the given nominal type from the 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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} // namespace swift
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#endif
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