llvm/clang/lib/Frontend/ChainedIncludesSource.cpp

//===- ChainedIncludesSource.cpp - Chained PCHs in Memory -------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file defines the ChainedIncludesSource class, which converts headers
//  to chained PCHs in memory, mainly used for testing.
//
//===----------------------------------------------------------------------===//

#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Lex/PreprocessorOptions.h"
#include "clang/Parse/ParseAST.h"
#include "clang/Sema/MultiplexExternalSemaSource.h"
#include "clang/Serialization/ASTReader.h"
#include "clang/Serialization/ASTWriter.h"
#include "llvm/Support/MemoryBuffer.h"

usingnamespaceclang;

namespace {
class ChainedIncludesSource : public ExternalSemaSource { … };
} // end anonymous namespace

static ASTReader *
createASTReader(CompilerInstance &CI, StringRef pchFile,
                SmallVectorImpl<std::unique_ptr<llvm::MemoryBuffer>> &MemBufs,
                SmallVectorImpl<std::string> &bufNames,
                ASTDeserializationListener *deserialListener = nullptr) { … }

IntrusiveRefCntPtr<ExternalSemaSource> clang::createChainedIncludesSource(
    CompilerInstance &CI, IntrusiveRefCntPtr<ExternalSemaSource> &Reader) { … }