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:
ExpandResponseFilesDatabase(std::unique_ptr<CompilationDatabase> Base,llvm::cl::TokenizerCallback Tokenizer,llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS)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
getAllFiles() const37 std::vector<std::string> getAllFiles() const override {
38 return Base->getAllFiles();
39 }
40
41 std::vector<CompileCommand>
getCompileCommands(StringRef FilePath) const42 getCompileCommands(StringRef FilePath) const override {
43 return expand(Base->getCompileCommands(FilePath));
44 }
45
getAllCompileCommands() const46 std::vector<CompileCommand> getAllCompileCommands() const override {
47 return expand(Base->getAllCompileCommands());
48 }
49
50 private:
expand(std::vector<CompileCommand> Cmds) const51 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>
expandResponseFiles(std::unique_ptr<CompilationDatabase> Base,llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS)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