mirror of
https://github.com/MaskRay/ccls.git
synced 2024-12-01 11:57:09 +00:00
indexer: llvm::sys::fs::UniqueID -> clang::FileID
Fix a minor issue that an empty included file is not recorded. Note, we need to skip invalid uid2lid_and_path because otherwise lid2path may contain invalid entries with lid: 0, which will cause the file entry with file_id 0 to have an empty path.
This commit is contained in:
Fangrui Song
parent
97af6fb889
commit
5422afe35a
@ -41,42 +41,30 @@ static Pos decomposed2LineAndCol(const SourceManager &sm,
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}
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Range fromCharSourceRange(const SourceManager &sm, const LangOptions &lang,
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CharSourceRange csr,
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llvm::sys::fs::UniqueID *uniqueID) {
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CharSourceRange csr, FileID *fid) {
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SourceLocation bloc = csr.getBegin(), eloc = csr.getEnd();
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std::pair<FileID, unsigned> binfo = sm.getDecomposedLoc(bloc),
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einfo = sm.getDecomposedLoc(eloc);
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if (csr.isTokenRange())
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einfo.second += Lexer::MeasureTokenLength(eloc, sm, lang);
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if (uniqueID) {
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if (const FileEntry *F = sm.getFileEntryForID(binfo.first))
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*uniqueID = F->getUniqueID();
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else
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*uniqueID = llvm::sys::fs::UniqueID(0, 0);
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}
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if (fid)
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*fid = binfo.first;
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return {decomposed2LineAndCol(sm, binfo), decomposed2LineAndCol(sm, einfo)};
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}
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Range fromCharRange(const SourceManager &sm, const LangOptions &lang,
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SourceRange sr, llvm::sys::fs::UniqueID *uniqueID) {
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return fromCharSourceRange(sm, lang, CharSourceRange::getCharRange(sr),
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uniqueID);
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}
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Range fromTokenRange(const SourceManager &sm, const LangOptions &lang,
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SourceRange sr, llvm::sys::fs::UniqueID *uniqueID) {
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return fromCharSourceRange(sm, lang, CharSourceRange::getTokenRange(sr),
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uniqueID);
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SourceRange sr, FileID *fid) {
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return fromCharSourceRange(sm, lang, CharSourceRange::getTokenRange(sr), fid);
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}
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Range fromTokenRangeDefaulted(const SourceManager &sm, const LangOptions &lang,
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SourceRange sr, const FileEntry *fe, Range range) {
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SourceRange sr, FileID fid, Range range) {
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auto decomposed = sm.getDecomposedLoc(sm.getExpansionLoc(sr.getBegin()));
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if (sm.getFileEntryForID(decomposed.first) == fe)
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if (decomposed.first == fid)
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range.start = decomposed2LineAndCol(sm, decomposed);
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SourceLocation sl = sm.getExpansionLoc(sr.getEnd());
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decomposed = sm.getDecomposedLoc(sl);
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if (sm.getFileEntryForID(decomposed.first) == fe) {
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if (decomposed.first == fid) {
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decomposed.second += Lexer::MeasureTokenLength(sl, sm, lang);
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range.end = decomposed2LineAndCol(sm, decomposed);
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}
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@ -22,20 +22,16 @@ std::string pathFromFileEntry(const clang::FileEntry &file);
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Range fromCharSourceRange(const clang::SourceManager &sm,
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const clang::LangOptions &lang,
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clang::CharSourceRange sr,
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llvm::sys::fs::UniqueID *uniqueID = nullptr);
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Range fromCharRange(const clang::SourceManager &sm,
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const clang::LangOptions &lang, clang::SourceRange sr,
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llvm::sys::fs::UniqueID *uniqueID = nullptr);
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clang::CharSourceRange csr,
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clang::FileID *fid = nullptr);
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Range fromTokenRange(const clang::SourceManager &sm,
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const clang::LangOptions &lang, clang::SourceRange sr,
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llvm::sys::fs::UniqueID *uniqueID = nullptr);
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clang::FileID *fid = nullptr);
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Range fromTokenRangeDefaulted(const clang::SourceManager &sm,
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const clang::LangOptions &lang,
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clang::SourceRange sr, const clang::FileEntry *fe,
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clang::SourceRange sr, clang::FileID fid,
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Range range);
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std::unique_ptr<clang::CompilerInvocation>
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106
src/indexer.cc
106
src/indexer.cc
@ -39,8 +39,8 @@ struct File {
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};
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struct IndexParam {
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std::unordered_map<llvm::sys::fs::UniqueID, File> uid2file;
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std::unordered_map<llvm::sys::fs::UniqueID, bool> uid2multi;
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std::unordered_map<FileID, File> uid2file;
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std::unordered_map<FileID, bool> uid2multi;
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struct DeclInfo {
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Usr usr;
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std::string short_name;
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@ -53,14 +53,17 @@ struct IndexParam {
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bool no_linkage;
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IndexParam(VFS &vfs, bool no_linkage) : vfs(vfs), no_linkage(no_linkage) {}
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void seenFile(const FileEntry &file) {
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void seenFile(FileID fid) {
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// If this is the first time we have seen the file (ignoring if we are
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// generating an index for it):
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auto [it, inserted] = uid2file.try_emplace(file.getUniqueID());
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auto [it, inserted] = uid2file.try_emplace(fid);
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if (inserted) {
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std::string path = pathFromFileEntry(file);
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const FileEntry *fe = ctx->getSourceManager().getFileEntryForID(fid);
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if (!fe)
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return;
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std::string path = pathFromFileEntry(*fe);
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it->second.path = path;
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it->second.mtime = file.getModificationTime();
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it->second.mtime = fe->getModificationTime();
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if (!it->second.mtime)
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if (auto tim = lastWriteTime(path))
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it->second.mtime = *tim;
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@ -74,15 +77,16 @@ struct IndexParam {
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}
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}
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IndexFile *consumeFile(const FileEntry &fe) {
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seenFile(fe);
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return uid2file[fe.getUniqueID()].db.get();
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IndexFile *consumeFile(FileID fid) {
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seenFile(fid);
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return uid2file[fid].db.get();
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}
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bool useMultiVersion(const FileEntry &fe) {
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auto it = uid2multi.try_emplace(fe.getUniqueID());
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bool useMultiVersion(FileID fid) {
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auto it = uid2multi.try_emplace(fid);
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if (it.second)
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it.first->second = multiVersionMatcher->matches(pathFromFileEntry(fe));
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if (const FileEntry *fe = ctx->getSourceManager().getFileEntryForID(fid))
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it.first->second = multiVersionMatcher->matches(pathFromFileEntry(*fe));
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return it.first->second;
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}
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};
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@ -608,27 +612,24 @@ public:
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}
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}
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static int getFileLID(IndexFile *db, SourceManager &sm, const FileEntry &fe) {
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auto [it, inserted] = db->uid2lid_and_path.try_emplace(fe.getUniqueID());
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static int getFileLID(IndexFile *db, SourceManager &sm, FileID fid) {
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auto [it, inserted] = db->uid2lid_and_path.try_emplace(fid);
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if (inserted) {
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it->second.first = db->uid2lid_and_path.size() - 1;
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SmallString<256> path = fe.tryGetRealPathName();
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if (path.empty())
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path = fe.getName();
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if (!llvm::sys::path::is_absolute(path) &&
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!sm.getFileManager().makeAbsolutePath(path))
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const FileEntry *fe = sm.getFileEntryForID(fid);
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if (!fe) {
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it->second.first = -1;
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return -1;
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it->second.second = llvm::sys::path::convert_to_slash(path.str());
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}
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it->second.first = db->uid2lid_and_path.size() - 1;
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it->second.second = pathFromFileEntry(*fe);
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}
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return it->second.first;
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}
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void addMacroUse(IndexFile *db, SourceManager &sm, Usr usr, Kind kind,
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SourceLocation sl) const {
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const FileEntry *FE = sm.getFileEntryForID(sm.getFileID(sl));
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if (!FE)
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return;
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int lid = getFileLID(db, sm, *FE);
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FileID fid = sm.getFileID(sl);
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int lid = getFileLID(db, sm, fid);
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if (lid < 0)
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return;
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Range spell = fromTokenRange(sm, ctx->getLangOpts(), SourceRange(sl, sl));
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@ -689,27 +690,25 @@ public:
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const LangOptions &lang = ctx->getLangOpts();
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FileID fid;
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SourceLocation spell = sm.getSpellingLoc(src_loc);
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const FileEntry *fe;
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Range loc;
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auto r = sm.isMacroArgExpansion(src_loc)
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? CharSourceRange::getTokenRange(spell)
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: sm.getExpansionRange(src_loc);
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loc = fromCharSourceRange(sm, lang, r);
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fid = sm.getFileID(r.getBegin());
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fe = sm.getFileEntryForID(fid);
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if (!fe)
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if (fid.isInvalid())
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return true;
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int lid = -1;
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IndexFile *db;
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if (g_config->index.multiVersion && param.useMultiVersion(*fe)) {
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db = param.consumeFile(*sm.getFileEntryForID(sm.getMainFileID()));
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if (g_config->index.multiVersion && param.useMultiVersion(fid)) {
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db = param.consumeFile(sm.getMainFileID());
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if (!db)
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return true;
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param.seenFile(*fe);
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param.seenFile(fid);
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if (!sm.isWrittenInMainFile(r.getBegin()))
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lid = getFileLID(db, sm, *fe);
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lid = getFileLID(db, sm, fid);
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} else {
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db = param.consumeFile(*fe);
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db = param.consumeFile(fid);
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if (!db)
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return true;
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}
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@ -771,13 +770,13 @@ public:
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if (is_def) {
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SourceRange sr = origD->getSourceRange();
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entity->def.spell = {use,
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fromTokenRangeDefaulted(sm, lang, sr, fe, loc)};
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fromTokenRangeDefaulted(sm, lang, sr, fid, loc)};
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entity->def.parent_kind = SymbolKind::File;
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getKind(cast<Decl>(sem_dc), entity->def.parent_kind);
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} else if (is_decl) {
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SourceRange sr = origD->getSourceRange();
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entity->declarations.push_back(
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{use, fromTokenRangeDefaulted(sm, lang, sr, fe, loc)});
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{use, fromTokenRangeDefaulted(sm, lang, sr, fid, loc)});
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} else {
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entity->uses.push_back(use);
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return;
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@ -1073,6 +1072,11 @@ class IndexPPCallbacks : public PPCallbacks {
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public:
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IndexPPCallbacks(SourceManager &sm, IndexParam ¶m)
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: sm(sm), param(param) {}
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void FileChanged(SourceLocation sl, FileChangeReason reason,
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SrcMgr::CharacteristicKind, FileID) override {
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if (reason == FileChangeReason::EnterFile)
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(void)param.consumeFile(sm.getFileID(sl));
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}
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void InclusionDirective(SourceLocation hashLoc, const Token &tok,
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StringRef included, bool isAngled,
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CharSourceRange filenameRange, const FileEntry *file,
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@ -1083,11 +1087,8 @@ public:
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return;
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auto spell = fromCharSourceRange(sm, param.ctx->getLangOpts(),
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filenameRange, nullptr);
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const FileEntry *fe =
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sm.getFileEntryForID(sm.getFileID(filenameRange.getBegin()));
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if (!fe)
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return;
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if (IndexFile *db = param.consumeFile(*fe)) {
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FileID fid = sm.getFileID(filenameRange.getBegin());
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if (IndexFile *db = param.consumeFile(fid)) {
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std::string path = pathFromFileEntry(*file);
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if (path.size())
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db->includes.push_back({spell.start.line, intern(path)});
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@ -1096,10 +1097,8 @@ public:
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void MacroDefined(const Token &tok, const MacroDirective *md) override {
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const LangOptions &lang = param.ctx->getLangOpts();
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SourceLocation sl = md->getLocation();
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const FileEntry *fe = sm.getFileEntryForID(sm.getFileID(sl));
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if (!fe)
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return;
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if (IndexFile *db = param.consumeFile(*fe)) {
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FileID fid = sm.getFileID(sl);
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if (IndexFile *db = param.consumeFile(fid)) {
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auto [name, usr] = getMacro(tok);
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IndexVar &var = db->toVar(usr);
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Range range = fromTokenRange(sm, lang, {sl, sl}, nullptr);
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@ -1124,15 +1123,12 @@ public:
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}
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void MacroExpands(const Token &tok, const MacroDefinition &, SourceRange sr,
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const MacroArgs *) override {
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llvm::sys::fs::UniqueID uniqueID;
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SourceLocation sl = sm.getSpellingLoc(sr.getBegin());
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const FileEntry *fe = sm.getFileEntryForID(sm.getFileID(sl));
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if (!fe)
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return;
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if (IndexFile *db = param.consumeFile(*fe)) {
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FileID fid = sm.getFileID(sl);
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if (IndexFile *db = param.consumeFile(fid)) {
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IndexVar &var = db->toVar(getMacro(tok).second);
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var.uses.push_back(
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{{fromTokenRange(sm, param.ctx->getLangOpts(), {sl, sl}, &uniqueID),
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{{fromTokenRange(sm, param.ctx->getLangOpts(), {sl, sl}, nullptr),
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Role::Dynamic}});
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}
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}
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@ -1146,8 +1142,9 @@ public:
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void SourceRangeSkipped(SourceRange sr, SourceLocation) override {
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Range range = fromCharSourceRange(sm, param.ctx->getLangOpts(),
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CharSourceRange::getCharRange(sr));
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if (const FileEntry *fe = sm.getFileEntryForID(sm.getFileID(sr.getBegin())))
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if (IndexFile *db = param.consumeFile(*fe))
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FileID fid = sm.getFileID(sr.getBegin());
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if (fid.isValid())
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if (IndexFile *db = param.consumeFile(fid))
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db->skipped_ranges.push_back(range);
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}
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};
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@ -1317,7 +1314,8 @@ index(SemaManager *manager, WorkingFiles *wfiles, VFS *vfs,
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entry->import_file = main;
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entry->args = args;
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for (auto &[_, it] : entry->uid2lid_and_path)
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entry->lid2path.emplace_back(it.first, std::move(it.second));
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if (it.first >= 0)
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entry->lid2path.emplace_back(it.first, std::move(it.second));
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entry->uid2lid_and_path.clear();
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for (auto &it : entry->usr2func) {
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// e.g. declaration + out-of-line definition
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@ -1337,6 +1335,8 @@ index(SemaManager *manager, WorkingFiles *wfiles, VFS *vfs,
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// Update dependencies for the file.
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for (auto &[_, file] : param.uid2file) {
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const std::string &path = file.path;
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if (path.empty())
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continue;
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if (path == entry->path)
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entry->mtime = file.mtime;
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else if (path != entry->import_file)
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@ -8,7 +8,7 @@
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#include "serializer.hh"
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#include "utils.hh"
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#include <clang/Basic/FileManager.h>
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#include <clang/Basic/SourceLocation.h>
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#include <clang/Basic/Specifiers.h>
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#include <llvm/ADT/CachedHashString.h>
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#include <llvm/ADT/DenseMap.h>
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@ -19,12 +19,8 @@
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#include <vector>
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namespace std {
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template <> struct hash<llvm::sys::fs::UniqueID> {
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std::size_t operator()(llvm::sys::fs::UniqueID ID) const {
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size_t ret = ID.getDevice();
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ccls::hash_combine(ret, ID.getFile());
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return ret;
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}
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template <> struct hash<clang::FileID> {
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std::size_t operator()(clang::FileID fid) const { return fid.getHashValue(); }
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};
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} // namespace std
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@ -294,7 +290,7 @@ struct IndexFile {
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bool no_linkage;
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// uid2lid_and_path is used to generate lid2path, but not serialized.
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std::unordered_map<llvm::sys::fs::UniqueID, std::pair<int, std::string>>
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std::unordered_map<clang::FileID, std::pair<int, std::string>>
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uid2lid_and_path;
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std::vector<std::pair<int, std::string>> lid2path;
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