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

79 lines
2.2 KiB
C++

//===--- ClangdUnit.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_CLANGDUNIT_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_CLANGDUNIT_H
#include "Path.h"
#include "Protocol.h"
#include "clang/Frontend/ASTUnit.h"
#include "clang/Tooling/Core/Replacement.h"
#include <memory>
namespace llvm {
class raw_ostream;
}
namespace clang {
class ASTUnit;
class PCHContainerOperations;
namespace vfs {
class FileSystem;
}
namespace tooling {
struct CompileCommand;
}
namespace clangd {
/// A diagnostic with its FixIts.
struct DiagWithFixIts {
clangd::Diagnostic Diag;
llvm::SmallVector<tooling::Replacement, 1> FixIts;
};
/// Stores parsed C++ AST and provides implementations of all operations clangd
/// would want to perform on parsed C++ files.
class ClangdUnit {
public:
ClangdUnit(PathRef FileName, StringRef Contents,
std::shared_ptr<PCHContainerOperations> PCHs,
std::vector<tooling::CompileCommand> Commands,
IntrusiveRefCntPtr<vfs::FileSystem> VFS);
/// Reparse with new contents.
void reparse(StringRef Contents, IntrusiveRefCntPtr<vfs::FileSystem> VFS);
/// Get code completions at a specified \p Line and \p Column in \p File.
///
/// This function is thread-safe and returns completion items that own the
/// data they contain.
std::vector<CompletionItem>
codeComplete(StringRef Contents, Position Pos,
IntrusiveRefCntPtr<vfs::FileSystem> VFS);
/// Returns diagnostics and corresponding FixIts for each diagnostic that are
/// located in the current file.
std::vector<DiagWithFixIts> getLocalDiagnostics() const;
/// For testing/debugging purposes. Note that this method deserializes all
/// unserialized Decls, so use with care.
void dumpAST(llvm::raw_ostream &OS) const;
private:
Path FileName;
std::unique_ptr<ASTUnit> Unit;
std::shared_ptr<PCHContainerOperations> PCHs;
};
} // namespace clangd
} // namespace clang
#endif