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52c46f838a
Allow a conformance to be "isolated", meaning that it stays in the same isolation domain as the conforming type. Only allow this for global-actor-isolated types. When a conformance is isolated, a nonisolated requirement can be witnessed by a declaration with the same global actor isolation as the enclosing type.
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
//===--- ConformanceLookup.h - Global conformance lookup --------*- C++ -*-===//
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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) 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_CONFORMANCEATTRIBUTES_H
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#define SWIFT_AST_CONFORMANCEATTRIBUTES_H
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#include "swift/Basic/SourceLoc.h"
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namespace swift {
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/// Describes all of the attributes that can occur on a conformance.
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struct ConformanceAttributes {
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/// The location of the "unchecked" attribute, if present.
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SourceLoc uncheckedLoc;
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/// The location of the "preconcurrency" attribute if present.
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SourceLoc preconcurrencyLoc;
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/// The location of the "unsafe" attribute if present.
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SourceLoc unsafeLoc;
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/// The location of the "@isolated" attribute if present.
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SourceLoc isolatedLoc;
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/// Merge other conformance attributes into this set.
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ConformanceAttributes &
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operator |=(const ConformanceAttributes &other) {
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if (other.uncheckedLoc.isValid())
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uncheckedLoc = other.uncheckedLoc;
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if (other.preconcurrencyLoc.isValid())
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preconcurrencyLoc = other.preconcurrencyLoc;
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if (other.unsafeLoc.isValid())
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unsafeLoc = other.unsafeLoc;
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if (other.isolatedLoc.isValid())
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isolatedLoc = other.isolatedLoc;
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return *this;
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}
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};
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}
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#endif
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