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The frontend option '-clang-header-expose-module' allows the user to specify that APIs from an imported module have been exposed in another generated header, and thus APIs that depend on them can be safely exposed in the current generated header.
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
//===--- ModuleContentsWriter.h - Walk module to print ObjC/C++ -*- 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 - 2019 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_PRINTASCLANG_MODULECONTENTSWRITER_H
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#define SWIFT_PRINTASCLANG_MODULECONTENTSWRITER_H
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#include "swift/AST/AttrKind.h"
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#include "swift/Basic/LLVM.h"
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#include "llvm/ADT/PointerUnion.h"
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#include "llvm/ADT/SmallPtrSet.h"
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#include "llvm/ADT/StringSet.h"
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namespace clang {
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class Module;
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}
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namespace swift {
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class Decl;
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class ModuleDecl;
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class SwiftToClangInteropContext;
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using ImportModuleTy = PointerUnion<ModuleDecl*, const clang::Module*>;
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/// Prints the declarations of \p M to \p os and collecting imports in
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/// \p imports along the way.
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void printModuleContentsAsObjC(raw_ostream &os,
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llvm::SmallPtrSetImpl<ImportModuleTy> &imports,
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ModuleDecl &M,
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SwiftToClangInteropContext &interopContext);
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struct EmittedClangHeaderDependencyInfo {
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/// The set of imported modules used by this module.
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SmallPtrSet<ImportModuleTy, 8> imports;
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/// True if the printed module depends on types from the Stdlib module.
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bool dependsOnStandardLibrary = false;
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};
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/// Prints the declarations of \p M to \p os in C++ language mode.
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///
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/// \returns Dependencies required by this module.
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EmittedClangHeaderDependencyInfo printModuleContentsAsCxx(
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raw_ostream &os, ModuleDecl &M, SwiftToClangInteropContext &interopContext,
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bool requiresExposedAttribute, llvm::StringSet<> &exposedModules);
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} // end namespace swift
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#endif
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