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//===--- ModuleContentsWriter.h - Walk module to print ObjC/C++ -*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_PRINTASCLANG_MODULECONTENTSWRITER_H
#define SWIFT_PRINTASCLANG_MODULECONTENTSWRITER_H
#include "swift/AST/AttrKind.h"
#include "swift/Basic/LLVM.h"
#include "llvm/ADT/PointerUnion.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/StringSet.h"
namespace clang {
class Module;
}
namespace swift {
class Decl;
class ModuleDecl;
class SwiftToClangInteropContext;
using ImportModuleTy = PointerUnion<ModuleDecl*, const clang::Module*>;
/// Prints the declarations of \p M to \p os and collecting imports in
/// \p imports along the way.
void printModuleContentsAsObjC(raw_ostream &os,
llvm::SmallPtrSetImpl<ImportModuleTy> &imports,
ModuleDecl &M,
SwiftToClangInteropContext &interopContext);
struct EmittedClangHeaderDependencyInfo {
/// The set of imported modules used by this module.
SmallPtrSet<ImportModuleTy, 8> imports;
/// True if the printed module depends on types from the Stdlib module.
bool dependsOnStandardLibrary = false;
};
/// Prints the declarations of \p M to \p os in C++ language mode.
///
/// \returns Dependencies required by this module.
EmittedClangHeaderDependencyInfo printModuleContentsAsCxx(
raw_ostream &os, ModuleDecl &M, SwiftToClangInteropContext &interopContext,
bool requiresExposedAttribute, llvm::StringSet<> &exposedModules);
} // end namespace swift
#endif
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