d60d3455eb
There is a discrepancy between how clangd processes CDB loaded from JSON file on disk and pushed via LSP. Thus the same CDB pushed via LSP protocol may not work as expected. Some difference between these two paths is expected but we still need to insert driver mode and target from binary name and expand response files. Test Plan: check-clang-tools Differential Revision: https://reviews.llvm.org/D143436
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
//===- ExpandResponseFileCompilationDataBase.cpp --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Tooling/CompilationDatabase.h"
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#include "clang/Tooling/Tooling.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/ErrorOr.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/StringSaver.h"
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#include "llvm/TargetParser/Host.h"
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#include "llvm/TargetParser/Triple.h"
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namespace clang {
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namespace tooling {
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namespace {
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class ExpandResponseFilesDatabase : public CompilationDatabase {
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public:
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ExpandResponseFilesDatabase(
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std::unique_ptr<CompilationDatabase> Base,
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llvm::cl::TokenizerCallback Tokenizer,
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS)
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: Base(std::move(Base)), Tokenizer(Tokenizer), FS(std::move(FS)) {
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assert(this->Base != nullptr);
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assert(this->Tokenizer != nullptr);
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assert(this->FS != nullptr);
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}
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std::vector<std::string> getAllFiles() const override {
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return Base->getAllFiles();
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}
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std::vector<CompileCommand>
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getCompileCommands(StringRef FilePath) const override {
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return expand(Base->getCompileCommands(FilePath));
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}
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std::vector<CompileCommand> getAllCompileCommands() const override {
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return expand(Base->getAllCompileCommands());
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}
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private:
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std::vector<CompileCommand> expand(std::vector<CompileCommand> Cmds) const {
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for (auto &Cmd : Cmds)
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tooling::addExpandedResponseFiles(Cmd.CommandLine, Cmd.Directory,
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Tokenizer, *FS);
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return Cmds;
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}
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private:
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std::unique_ptr<CompilationDatabase> Base;
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llvm::cl::TokenizerCallback Tokenizer;
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS;
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};
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} // namespace
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std::unique_ptr<CompilationDatabase>
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expandResponseFiles(std::unique_ptr<CompilationDatabase> Base,
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> FS) {
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auto Tokenizer = llvm::Triple(llvm::sys::getProcessTriple()).isOSWindows()
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? llvm::cl::TokenizeWindowsCommandLine
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: llvm::cl::TokenizeGNUCommandLine;
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return std::make_unique<ExpandResponseFilesDatabase>(
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std::move(Base), Tokenizer, std::move(FS));
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}
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} // namespace tooling
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} // namespace clang
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