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127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
//===--- ClangModule.h - An imported Clang module ---------------*- 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) 2014 - 2017 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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// This file implements support for loading Clang modules into Swift.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_CLANGIMPORTER_CLANGMODULE_H
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#define SWIFT_CLANGIMPORTER_CLANGMODULE_H
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#include "swift/AST/Module.h"
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#include "swift/ClangImporter/ClangImporter.h"
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namespace clang {
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class ASTContext;
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class Module;
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}
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namespace swift {
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class ASTContext;
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class ModuleLoader;
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/// \brief Represents a Clang module that has been imported into Swift.
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class ClangModuleUnit final : public LoadedFile {
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ClangImporter::Implementation &owner;
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const clang::Module *clangModule;
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llvm::PointerIntPair<ModuleDecl *, 1, bool> adapterModule;
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mutable ArrayRef<ModuleDecl::ImportedModule> importedModulesForLookup;
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~ClangModuleUnit() = default;
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public:
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/// True if the given Module contains an imported Clang module unit.
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static bool hasClangModule(ModuleDecl *M);
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ClangModuleUnit(ModuleDecl &M, ClangImporter::Implementation &owner,
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const clang::Module *clangModule);
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/// \brief Retrieve the underlying Clang module.
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///
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/// This will be null if the module unit represents the imported headers.
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const clang::Module *getClangModule() const { return clangModule; }
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/// Returns true if this is a top-level Clang module (not a submodule).
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bool isTopLevel() const;
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/// Returns the Swift module that overlays this Clang module.
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ModuleDecl *getAdapterModule() const;
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/// Retrieve the "exported" name of the module, which is usually the module
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/// name, but might be the name of the public module through which this
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/// (private) module is re-exported.
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std::string getExportedModuleName() const;
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virtual bool isSystemModule() const override;
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virtual void lookupValue(ModuleDecl::AccessPathTy accessPath,
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DeclName name, NLKind lookupKind,
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SmallVectorImpl<ValueDecl*> &results) const override;
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virtual TypeDecl *
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lookupNestedType(Identifier name,
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const NominalTypeDecl *baseType) const override;
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virtual void lookupVisibleDecls(ModuleDecl::AccessPathTy accessPath,
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VisibleDeclConsumer &consumer,
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NLKind lookupKind) const override;
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virtual void lookupClassMembers(ModuleDecl::AccessPathTy accessPath,
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VisibleDeclConsumer &consumer) const override;
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virtual void
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lookupClassMember(ModuleDecl::AccessPathTy accessPath, DeclName name,
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SmallVectorImpl<ValueDecl*> &decls) 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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virtual void getTopLevelDecls(SmallVectorImpl<Decl*> &results) const override;
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virtual void getDisplayDecls(SmallVectorImpl<Decl*> &results) const override;
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virtual void
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getImportedModules(SmallVectorImpl<ModuleDecl::ImportedModule> &imports,
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ModuleDecl::ImportFilter filter) const override;
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virtual void getImportedModulesForLookup(
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SmallVectorImpl<ModuleDecl::ImportedModule> &imports) const override;
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virtual void
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collectLinkLibraries(ModuleDecl::LinkLibraryCallback callback) const override;
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Identifier
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getDiscriminatorForPrivateValue(const ValueDecl *D) const override {
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llvm_unreachable("no private decls in Clang modules");
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}
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virtual StringRef getFilename() const override;
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virtual const clang::Module *getUnderlyingClangModule() const override {
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return getClangModule();
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}
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clang::ASTContext &getClangASTContext() const;
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static bool classof(const FileUnit *file) {
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return file->getKind() == FileUnitKind::ClangModule;
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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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}
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#endif
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