llvm-project/clang-tools-extra/clangd/GlobalCompilationDatabase.h

69 lines
1.9 KiB
C++

//===--- GlobalCompilationDatabase.h ----------------------------*- C++-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===---------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_GLOBALCOMPILATIONDATABASE_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_GLOBALCOMPILATIONDATABASE_H
#include "Path.h"
#include "llvm/ADT/StringMap.h"
#include <memory>
#include <mutex>
#include <vector>
namespace clang {
namespace tooling {
class CompilationDatabase;
struct CompileCommand;
} // namespace tooling
namespace clangd {
/// Returns a default compile command to use for \p File.
tooling::CompileCommand getDefaultCompileCommand(PathRef File);
/// Provides compilation arguments used for parsing C and C++ files.
class GlobalCompilationDatabase {
public:
virtual ~GlobalCompilationDatabase() = default;
virtual std::vector<tooling::CompileCommand>
getCompileCommands(PathRef File) = 0;
/// FIXME(ibiryukov): add facilities to track changes to compilation flags of
/// existing targets.
};
/// Gets compile args from tooling::CompilationDatabases built for parent
/// directories.
class DirectoryBasedGlobalCompilationDatabase
: public GlobalCompilationDatabase {
public:
std::vector<tooling::CompileCommand>
getCompileCommands(PathRef File) override;
void setExtraFlagsForFile(PathRef File, std::vector<std::string> ExtraFlags);
private:
tooling::CompilationDatabase *getCompilationDatabase(PathRef File);
std::mutex Mutex;
/// Caches compilation databases loaded from directories(keys are
/// directories).
llvm::StringMap<std::unique_ptr<clang::tooling::CompilationDatabase>>
CompilationDatabases;
/// Stores extra flags per file.
llvm::StringMap<std::vector<std::string>> ExtraFlagsForFile;
};
} // namespace clangd
} // namespace clang
#endif