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f7a9eed4de
Add implicit declarations generated by the differentiation transform to a `SynthesizedFileUnit` instead of an ad-hoc pre-existing `SourceFile`. Resolves TF-1232: type reconstruction for AutoDiff-generated declarations. Previously, type reconstruction failed because retroactively adding declarations to a `SourceFile` did not update name lookup caches.
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
//===--- SynthesizedFileUnit.h - A synthesized file unit --------*- 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) 2020 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_SYNTHESIZEDFILEUNIT_H
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#define SWIFT_AST_SYNTHESIZEDFILEUNIT_H
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#include "swift/AST/FileUnit.h"
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#include "swift/Basic/Debug.h"
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namespace swift {
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/// A container for synthesized module-level declarations.
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class SynthesizedFileUnit final : public FileUnit {
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/// Synthesized top level declarations.
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TinyPtrVector<ValueDecl *> TopLevelDecls;
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/// A unique identifier representing this file; used to mark private decls
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/// within the file to keep them from conflicting with other files in the
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/// same module.
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mutable Identifier PrivateDiscriminator;
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public:
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SynthesizedFileUnit(ModuleDecl &M);
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~SynthesizedFileUnit() = default;
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/// Add a synthesized top-level declaration.
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void addTopLevelDecl(ValueDecl *D) { TopLevelDecls.push_back(D); }
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virtual void lookupValue(DeclName name, NLKind lookupKind,
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SmallVectorImpl<ValueDecl *> &result) const override;
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void lookupObjCMethods(
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ObjCSelector selector,
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SmallVectorImpl<AbstractFunctionDecl *> &results) const override;
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Identifier getDiscriminatorForPrivateValue(const ValueDecl *D) const override;
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void getTopLevelDecls(SmallVectorImpl<Decl*> &results) const override;
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ArrayRef<ValueDecl *> getTopLevelDecls() const {
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return TopLevelDecls;
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};
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static bool classof(const FileUnit *file) {
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return file->getKind() == FileUnitKind::Synthesized;
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}
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static bool classof(const DeclContext *DC) {
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return isa<FileUnit>(DC) && classof(cast<FileUnit>(DC));
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}
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};
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} // namespace swift
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#endif // SWIFT_AST_SYNTHESIZEDFILEUNIT_H
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