ExpandResponseFilesCompilationDatabase.cpp revision 356843
121308Sache//===- ExpandResponseFileCompilationDataBase.cpp --------------------------===// 221308Sache// 321308Sache// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 421308Sache// See https://llvm.org/LICENSE.txt for license information. 521308Sache// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 621308Sache// 721308Sache//===----------------------------------------------------------------------===// 821308Sache 921308Sache#include "clang/Tooling/CompilationDatabase.h" 1058310Sache#include "llvm/ADT/StringRef.h" 1121308Sache#include "llvm/ADT/Triple.h" 1221308Sache#include "llvm/Support/CommandLine.h" 1321308Sache#include "llvm/Support/ConvertUTF.h" 1421308Sache#include "llvm/Support/ErrorOr.h" 1521308Sache#include "llvm/Support/MemoryBuffer.h" 1621308Sache#include "llvm/Support/Path.h" 1721308Sache#include "llvm/Support/StringSaver.h" 1821308Sache 1921308Sachenamespace clang { 2021308Sachenamespace tooling { 2158310Sachenamespace { 2221308Sache 2321308Sacheclass ExpandResponseFilesDatabase : public CompilationDatabase { 2421308Sachepublic: 2521308Sache ExpandResponseFilesDatabase( 2621308Sache std::unique_ptr<CompilationDatabase> Base, 2721308Sache llvm::cl::TokenizerCallback Tokenizer, 2821308Sache llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) 2921308Sache : Base(std::move(Base)), Tokenizer(Tokenizer), FS(std::move(FS)) { 3021308Sache assert(this->Base != nullptr); 3121308Sache assert(this->Tokenizer != nullptr); 3221308Sache assert(this->FS != nullptr); 3321308Sache } 3421308Sache 3521308Sache std::vector<std::string> getAllFiles() const override { 3621308Sache return Base->getAllFiles(); 3721308Sache } 3821308Sache 3921308Sache std::vector<CompileCommand> 4021308Sache getCompileCommands(StringRef FilePath) const override { 4121308Sache return expand(Base->getCompileCommands(FilePath)); 4221308Sache } 4321308Sache 4421308Sache std::vector<CompileCommand> getAllCompileCommands() const override { 4521308Sache return expand(Base->getAllCompileCommands()); 4621308Sache } 4721308Sache 4821308Sacheprivate: 4958310Sache std::vector<CompileCommand> expand(std::vector<CompileCommand> Cmds) const { 5058310Sache for (auto &Cmd : Cmds) { 5121308Sache bool SeenRSPFile = false; 5221308Sache llvm::SmallVector<const char *, 20> Argv; 5321308Sache Argv.reserve(Cmd.CommandLine.size()); 5421308Sache for (auto &Arg : Cmd.CommandLine) { 5521308Sache Argv.push_back(Arg.c_str()); 5621308Sache SeenRSPFile |= Arg.front() == '@'; 5721308Sache } 5821308Sache if (!SeenRSPFile) 5921308Sache continue; 6021308Sache llvm::BumpPtrAllocator Alloc; 6121308Sache llvm::StringSaver Saver(Alloc); 6221308Sache llvm::cl::ExpandResponseFiles(Saver, Tokenizer, Argv, false, false, *FS, 6321308Sache llvm::StringRef(Cmd.Directory)); 6421308Sache // Don't assign directly, Argv aliases CommandLine. 6521308Sache std::vector<std::string> ExpandedArgv(Argv.begin(), Argv.end()); 6621308Sache Cmd.CommandLine = std::move(ExpandedArgv); 6721308Sache } 6821308Sache return Cmds; 6921308Sache } 7021308Sache 7121308Sacheprivate: 7221308Sache std::unique_ptr<CompilationDatabase> Base; 73119610Sache llvm::cl::TokenizerCallback Tokenizer; 74119610Sache llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS; 75119610Sache}; 76119610Sache 77119610Sache} // namespace 7821308Sache 7921308Sachestd::unique_ptr<CompilationDatabase> 8021308SacheexpandResponseFiles(std::unique_ptr<CompilationDatabase> Base, 8121308Sache llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) { 8221308Sache auto Tokenizer = llvm::Triple(llvm::sys::getProcessTriple()).isOSWindows() 8321308Sache ? llvm::cl::TokenizeWindowsCommandLine 8421308Sache : llvm::cl::TokenizeGNUCommandLine; 8521308Sache return std::make_unique<ExpandResponseFilesDatabase>( 8621308Sache std::move(Base), Tokenizer, std::move(FS)); 8721308Sache} 8821308Sache 8921308Sache} // namespace tooling 9021308Sache} // namespace clang 9121308Sache