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/TargetParser/Host.h" 15 #include "llvm/TargetParser/Triple.h" 16 17 namespace clang { 18 namespace tooling { 19 namespace { 20 21 class ExpandResponseFilesDatabase : public CompilationDatabase { 22 public: 23 ExpandResponseFilesDatabase( 24 std::unique_ptr<CompilationDatabase> Base, 25 llvm::cl::TokenizerCallback Tokenizer, 26 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) 27 : Base(std::move(Base)), Tokenizer(Tokenizer), FS(std::move(FS)) { 28 assert(this->Base != nullptr); 29 assert(this->Tokenizer != nullptr); 30 assert(this->FS != nullptr); 31 } 32 33 std::vector<std::string> getAllFiles() const override { 34 return Base->getAllFiles(); 35 } 36 37 std::vector<CompileCommand> 38 getCompileCommands(StringRef FilePath) const override { 39 return expand(Base->getCompileCommands(FilePath)); 40 } 41 42 std::vector<CompileCommand> getAllCompileCommands() const override { 43 return expand(Base->getAllCompileCommands()); 44 } 45 46 private: 47 std::vector<CompileCommand> expand(std::vector<CompileCommand> Cmds) const { 48 for (auto &Cmd : Cmds) 49 tooling::addExpandedResponseFiles(Cmd.CommandLine, Cmd.Directory, 50 Tokenizer, *FS); 51 return Cmds; 52 } 53 54 private: 55 std::unique_ptr<CompilationDatabase> Base; 56 llvm::cl::TokenizerCallback Tokenizer; 57 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS; 58 }; 59 60 } // namespace 61 62 std::unique_ptr<CompilationDatabase> 63 expandResponseFiles(std::unique_ptr<CompilationDatabase> Base, 64 llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) { 65 auto Tokenizer = llvm::Triple(llvm::sys::getProcessTriple()).isOSWindows() 66 ? llvm::cl::TokenizeWindowsCommandLine 67 : llvm::cl::TokenizeGNUCommandLine; 68 return std::make_unique<ExpandResponseFilesDatabase>( 69 std::move(Base), Tokenizer, std::move(FS)); 70 } 71 72 } // namespace tooling 73 } // namespace clang 74