jade
43cf487c25
It is a little bit scuffed, but it seems to produce correct results. We
can run it at a later date when we want to explode every in-flight
commit in existence and then need to filter-branch them.
Fixes: lix-project/lix#188
Change-Id: Id97e4651f78804a941d941df02c7c1b21ce453b6
82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
#include "FixIncludes.hh"
|
|
#include <clang-tidy/ClangTidyCheck.h>
|
|
#include <clang/Basic/Diagnostic.h>
|
|
#include <clang/Basic/SourceManager.h>
|
|
#include <clang/Lex/PPCallbacks.h>
|
|
#include <clang/Lex/Preprocessor.h>
|
|
#include <llvm/ADT/StringRef.h>
|
|
#include <llvm/Support/Debug.h>
|
|
#include <memory>
|
|
#include <set>
|
|
#include <string>
|
|
|
|
namespace nix::clang_tidy {
|
|
|
|
using namespace clang;
|
|
using namespace clang::tidy;
|
|
|
|
class FixIncludesCallbacks : public PPCallbacks {
|
|
public:
|
|
ClangTidyCheck &Check;
|
|
Preprocessor &PP;
|
|
FixIncludesCallbacks(ClangTidyCheck &Check, Preprocessor &PP)
|
|
: Check(Check), PP(PP) {}
|
|
|
|
private:
|
|
bool Ignore = false;
|
|
virtual void LexedFileChanged(FileID FID, LexedFileChangeReason Reason,
|
|
SrcMgr::CharacteristicKind FileType,
|
|
FileID PrevFID, SourceLocation Loc) override;
|
|
|
|
virtual void InclusionDirective(SourceLocation HashLoc,
|
|
const Token &IncludeTok, StringRef FileName,
|
|
bool IsAngled, CharSourceRange FilenameRange,
|
|
OptionalFileEntryRef File,
|
|
StringRef SearchPath, StringRef RelativePath,
|
|
const Module *Imported,
|
|
SrcMgr::CharacteristicKind FileType) override;
|
|
};
|
|
|
|
void FixIncludesCallbacks::LexedFileChanged(FileID, LexedFileChangeReason,
|
|
SrcMgr::CharacteristicKind FileType,
|
|
FileID, SourceLocation) {
|
|
Ignore = FileType != SrcMgr::C_User;
|
|
}
|
|
|
|
void FixIncludesCallbacks::InclusionDirective(
|
|
SourceLocation, const Token &, StringRef, bool,
|
|
CharSourceRange FilenameRange, OptionalFileEntryRef File, StringRef,
|
|
StringRef, const Module *, SrcMgr::CharacteristicKind) {
|
|
if (Ignore)
|
|
return;
|
|
|
|
// FIXME: this is kinda evil, but this is a one-time fixup
|
|
const std::string SourceDir = "src/";
|
|
|
|
if (File && File->getNameAsRequested().contains(SourceDir)) {
|
|
StringRef Name = File->getNameAsRequested();
|
|
auto Idx = Name.find(SourceDir);
|
|
assert(Idx != std::string::npos);
|
|
StringRef Suffix = Name.drop_front(Idx + SourceDir.length());
|
|
|
|
if (!Suffix.starts_with("lib")) {
|
|
llvm::dbgs() << "ignored: " << Suffix << "\n";
|
|
return;
|
|
}
|
|
|
|
auto Diag = Check.diag(FilenameRange.getBegin(),
|
|
"include needs to specify the source subdir");
|
|
|
|
Diag << FilenameRange
|
|
<< FixItHint::CreateReplacement(FilenameRange,
|
|
("\"" + Suffix + "\"").str());
|
|
}
|
|
}
|
|
|
|
void FixIncludesCheck::registerPPCallbacks(const SourceManager &,
|
|
Preprocessor *PP, Preprocessor *) {
|
|
PP->addPPCallbacks(std::make_unique<FixIncludesCallbacks>(*this, *PP));
|
|
}
|
|
|
|
}; // namespace nix::clang_tidy
|