forked from OSchip/llvm-project
91 lines
2.9 KiB
C++
91 lines
2.9 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 {
|
|
|
|
class Logger;
|
|
|
|
/// Provides compilation arguments used for parsing C and C++ files.
|
|
class GlobalCompilationDatabase {
|
|
public:
|
|
virtual ~GlobalCompilationDatabase() = default;
|
|
|
|
/// If there are any known-good commands for building this file, returns one.
|
|
virtual llvm::Optional<tooling::CompileCommand>
|
|
getCompileCommand(PathRef File) const = 0;
|
|
|
|
/// Makes a guess at how to build a file.
|
|
/// The default implementation just runs clang on the file.
|
|
/// Clangd should treat the results as unreliable.
|
|
virtual tooling::CompileCommand getFallbackCommand(PathRef File) const;
|
|
|
|
/// 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:
|
|
DirectoryBasedGlobalCompilationDatabase(
|
|
llvm::Optional<Path> CompileCommandsDir);
|
|
|
|
/// Scans File's parents looking for compilation databases.
|
|
/// Any extra flags will be added.
|
|
llvm::Optional<tooling::CompileCommand>
|
|
getCompileCommand(PathRef File) const override;
|
|
|
|
/// Uses the default fallback command, adding any extra flags.
|
|
tooling::CompileCommand getFallbackCommand(PathRef File) const override;
|
|
|
|
/// Set the compile commands directory to \p P.
|
|
void setCompileCommandsDir(Path P);
|
|
|
|
/// Sets the extra flags that should be added to a file.
|
|
void setExtraFlagsForFile(PathRef File, std::vector<std::string> ExtraFlags);
|
|
|
|
private:
|
|
tooling::CompilationDatabase *getCDBForFile(PathRef File) const;
|
|
tooling::CompilationDatabase *getCDBInDirLocked(PathRef File) const;
|
|
void addExtraFlags(PathRef File, tooling::CompileCommand &C) const;
|
|
|
|
mutable std::mutex Mutex;
|
|
/// Caches compilation databases loaded from directories(keys are
|
|
/// directories).
|
|
mutable llvm::StringMap<std::unique_ptr<clang::tooling::CompilationDatabase>>
|
|
CompilationDatabases;
|
|
|
|
/// Stores extra flags per file.
|
|
llvm::StringMap<std::vector<std::string>> ExtraFlagsForFile;
|
|
/// Used for command argument pointing to folder where compile_commands.json
|
|
/// is located.
|
|
llvm::Optional<Path> CompileCommandsDir;
|
|
};
|
|
} // namespace clangd
|
|
} // namespace clang
|
|
|
|
#endif
|