1 //===- ExpandResponseFileCompilationDataBase.cpp --------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Tooling/CompilationDatabase.h" 10 #include "clang/Tooling/Tooling.h" 11 #include "llvm/ADT/StringRef.h" 12 #include "llvm/Support/CommandLine.h" 13 #include "llvm/Support/ConvertUTF.h" 14 #include "llvm/Support/ErrorOr.h" 15 #include "llvm/Support/MemoryBuffer.h" 16 #include "llvm/Support/Path.h" 17 #include "llvm/Support/StringSaver.h" 18 #include "llvm/TargetParser/Host.h" 19 #include "llvm/TargetParser/Triple.h" 20 21 namespace clang { 22 namespace tooling { 23 namespace { 24 25 class ExpandResponseFilesDatabase : public CompilationDatabase { 26 public: 27 ExpandResponseFilesDatabase( 28 std::unique_ptr<CompilationDatabase> Base, 29 llvm::cl::TokenizerCallback Tokenizer, 30 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) 31 : Base(std::move(Base)), Tokenizer(Tokenizer), FS(std::move(FS)) { 32 assert(this->Base != nullptr); 33 assert(this->Tokenizer != nullptr); 34 assert(this->FS != nullptr); 35 } 36 37 std::vector<std::string> getAllFiles() const override { 38 return Base->getAllFiles(); 39 } 40 41 std::vector<CompileCommand> 42 getCompileCommands(StringRef FilePath) const override { 43 return expand(Base->getCompileCommands(FilePath)); 44 } 45 46 std::vector<CompileCommand> getAllCompileCommands() const override { 47 return expand(Base->getAllCompileCommands()); 48 } 49 50 private: 51 std::vector<CompileCommand> expand(std::vector<CompileCommand> Cmds) const { 52 for (auto &Cmd : Cmds) 53 tooling::addExpandedResponseFiles(Cmd.CommandLine, Cmd.Directory, 54 Tokenizer, *FS); 55 return Cmds; 56 } 57 58 private: 59 std::unique_ptr<CompilationDatabase> Base; 60 llvm::cl::TokenizerCallback Tokenizer; 61 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS; 62 }; 63 64 } // namespace 65 66 std::unique_ptr<CompilationDatabase> 67 expandResponseFiles(std::unique_ptr<CompilationDatabase> Base, 68 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) { 69 auto Tokenizer = llvm::Triple(llvm::sys::getProcessTriple()).isOSWindows() 70 ? llvm::cl::TokenizeWindowsCommandLine 71 : llvm::cl::TokenizeGNUCommandLine; 72 return std::make_unique<ExpandResponseFilesDatabase>( 73 std::move(Base), Tokenizer, std::move(FS)); 74 } 75 76 } // namespace tooling 77 } // namespace clang 78