diff options
| author | joerg <joerg@NetBSD.org> | 2021-05-30 01:25:15 +0000 |
|---|---|---|
| committer | joerg <joerg@NetBSD.org> | 2021-05-30 01:25:15 +0000 |
| commit | 13fbcb42fff2606c3ce926a7c4bb8989aa18758c (patch) | |
| tree | dcace6c89967106796d44b1a7c5e2269a20967e2 /external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp | |
| parent | 13338e33506ade63440b4ba74479551bdc21c0f6 (diff) | |
Import clang 249b40b558955afe5ac2b549edcf2d7f859c8cc9.
Diffstat (limited to 'external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp')
| -rw-r--r-- | external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp b/external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp new file mode 100644 index 00000000000..a825370afcf --- /dev/null +++ b/external/apache2/llvm/dist/clang/lib/Tooling/ExpandResponseFilesCompilationDatabase.cpp @@ -0,0 +1,91 @@ +//===- ExpandResponseFileCompilationDataBase.cpp --------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#include "clang/Tooling/CompilationDatabase.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/ADT/Triple.h" +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/ConvertUTF.h" +#include "llvm/Support/ErrorOr.h" +#include "llvm/Support/Host.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/Path.h" +#include "llvm/Support/StringSaver.h" + +namespace clang { +namespace tooling { +namespace { + +class ExpandResponseFilesDatabase : public CompilationDatabase { +public: + ExpandResponseFilesDatabase( + std::unique_ptr<CompilationDatabase> Base, + llvm::cl::TokenizerCallback Tokenizer, + llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) + : Base(std::move(Base)), Tokenizer(Tokenizer), FS(std::move(FS)) { + assert(this->Base != nullptr); + assert(this->Tokenizer != nullptr); + assert(this->FS != nullptr); + } + + std::vector<std::string> getAllFiles() const override { + return Base->getAllFiles(); + } + + std::vector<CompileCommand> + getCompileCommands(StringRef FilePath) const override { + return expand(Base->getCompileCommands(FilePath)); + } + + std::vector<CompileCommand> getAllCompileCommands() const override { + return expand(Base->getAllCompileCommands()); + } + +private: + std::vector<CompileCommand> expand(std::vector<CompileCommand> Cmds) const { + for (auto &Cmd : Cmds) { + bool SeenRSPFile = false; + llvm::SmallVector<const char *, 20> Argv; + Argv.reserve(Cmd.CommandLine.size()); + for (auto &Arg : Cmd.CommandLine) { + Argv.push_back(Arg.c_str()); + SeenRSPFile |= Arg.front() == '@'; + } + if (!SeenRSPFile) + continue; + llvm::BumpPtrAllocator Alloc; + llvm::StringSaver Saver(Alloc); + llvm::cl::ExpandResponseFiles(Saver, Tokenizer, Argv, false, false, + llvm::StringRef(Cmd.Directory), *FS); + // Don't assign directly, Argv aliases CommandLine. + std::vector<std::string> ExpandedArgv(Argv.begin(), Argv.end()); + Cmd.CommandLine = std::move(ExpandedArgv); + } + return Cmds; + } + +private: + std::unique_ptr<CompilationDatabase> Base; + llvm::cl::TokenizerCallback Tokenizer; + llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS; +}; + +} // namespace + +std::unique_ptr<CompilationDatabase> +expandResponseFiles(std::unique_ptr<CompilationDatabase> Base, + llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) { + auto Tokenizer = llvm::Triple(llvm::sys::getProcessTriple()).isOSWindows() + ? llvm::cl::TokenizeWindowsCommandLine + : llvm::cl::TokenizeGNUCommandLine; + return std::make_unique<ExpandResponseFilesDatabase>( + std::move(Base), Tokenizer, std::move(FS)); +} + +} // namespace tooling +} // namespace clang |
