// Copyright 2017-2018 ccls Authors // SPDX-License-Identifier: Apache-2.0 #include "clang_tu.hh" #include "config.hh" #include "platform.hh" #include #include #include using namespace clang; namespace ccls { std::string PathFromFileEntry(const FileEntry &file) { StringRef Name = file.tryGetRealPathName(); if (Name.empty()) Name = file.getName(); std::string ret = NormalizePath(Name); // Resolve /usr/include/c++/7.3.0 symlink. if (!llvm::any_of(g_config->workspaceFolders, [&](const std::string &root) { return StartsWith(ret, root); })) { SmallString<256> dest; llvm::sys::fs::real_path(ret, dest); ret = llvm::sys::path::convert_to_slash(dest.str()); } return ret; } static Pos Decomposed2LineAndCol(const SourceManager &SM, std::pair I) { int l = (int)SM.getLineNumber(I.first, I.second) - 1, c = (int)SM.getColumnNumber(I.first, I.second) - 1; return {(int16_t)std::min(l, INT16_MAX), (int16_t)std::min(c, INT16_MAX)}; } Range FromCharSourceRange(const SourceManager &SM, const LangOptions &LangOpts, CharSourceRange R, llvm::sys::fs::UniqueID *UniqueID) { SourceLocation BLoc = R.getBegin(), ELoc = R.getEnd(); std::pair BInfo = SM.getDecomposedLoc(BLoc), EInfo = SM.getDecomposedLoc(ELoc); if (R.isTokenRange()) EInfo.second += Lexer::MeasureTokenLength(ELoc, SM, LangOpts); if (UniqueID) { if (const FileEntry *F = SM.getFileEntryForID(BInfo.first)) *UniqueID = F->getUniqueID(); else *UniqueID = llvm::sys::fs::UniqueID(0, 0); } return {Decomposed2LineAndCol(SM, BInfo), Decomposed2LineAndCol(SM, EInfo)}; } Range FromCharRange(const SourceManager &SM, const LangOptions &Lang, SourceRange R, llvm::sys::fs::UniqueID *UniqueID) { return FromCharSourceRange(SM, Lang, CharSourceRange::getCharRange(R), UniqueID); } Range FromTokenRange(const SourceManager &SM, const LangOptions &Lang, SourceRange R, llvm::sys::fs::UniqueID *UniqueID) { return FromCharSourceRange(SM, Lang, CharSourceRange::getTokenRange(R), UniqueID); } Range FromTokenRangeDefaulted(const SourceManager &SM, const LangOptions &Lang, SourceRange R, const FileEntry *FE, Range range) { auto I = SM.getDecomposedLoc(SM.getExpansionLoc(R.getBegin())); if (SM.getFileEntryForID(I.first) == FE) range.start = Decomposed2LineAndCol(SM, I); SourceLocation L = SM.getExpansionLoc(R.getEnd()); I = SM.getDecomposedLoc(L); if (SM.getFileEntryForID(I.first) == FE) { I.second += Lexer::MeasureTokenLength(L, SM, Lang); range.end = Decomposed2LineAndCol(SM, I); } return range; } std::unique_ptr BuildCompilerInvocation(std::vector args, IntrusiveRefCntPtr VFS) { std::string save = "-resource-dir=" + g_config->clang.resourceDir; args.push_back(save.c_str()); IntrusiveRefCntPtr Diags( CompilerInstance::createDiagnostics(new DiagnosticOptions)); std::unique_ptr CI = createInvocationFromCommandLine(args, Diags, VFS); if (CI) { CI->getDiagnosticOpts().IgnoreWarnings = true; CI->getFrontendOpts().DisableFree = false; CI->getLangOpts()->SpellChecking = false; } return CI; } // clang::BuiltinType::getName without PrintingPolicy const char *ClangBuiltinTypeName(int kind) { switch (BuiltinType::Kind(kind)) { case BuiltinType::Void: return "void"; case BuiltinType::Bool: return "bool"; case BuiltinType::Char_S: case BuiltinType::Char_U: return "char"; case BuiltinType::SChar: return "signed char"; case BuiltinType::Short: return "short"; case BuiltinType::Int: return "int"; case BuiltinType::Long: return "long"; case BuiltinType::LongLong: return "long long"; case BuiltinType::Int128: return "__int128"; case BuiltinType::UChar: return "unsigned char"; case BuiltinType::UShort: return "unsigned short"; case BuiltinType::UInt: return "unsigned int"; case BuiltinType::ULong: return "unsigned long"; case BuiltinType::ULongLong: return "unsigned long long"; case BuiltinType::UInt128: return "unsigned __int128"; case BuiltinType::Half: return "__fp16"; case BuiltinType::Float: return "float"; case BuiltinType::Double: return "double"; case BuiltinType::LongDouble: return "long double"; #if LLVM_VERSION_MAJOR >= 7 case BuiltinType::ShortAccum: return "short _Accum"; case BuiltinType::Accum: return "_Accum"; case BuiltinType::LongAccum: return "long _Accum"; case BuiltinType::UShortAccum: return "unsigned short _Accum"; case BuiltinType::UAccum: return "unsigned _Accum"; case BuiltinType::ULongAccum: return "unsigned long _Accum"; case BuiltinType::BuiltinType::ShortFract: return "short _Fract"; case BuiltinType::BuiltinType::Fract: return "_Fract"; case BuiltinType::BuiltinType::LongFract: return "long _Fract"; case BuiltinType::BuiltinType::UShortFract: return "unsigned short _Fract"; case BuiltinType::BuiltinType::UFract: return "unsigned _Fract"; case BuiltinType::BuiltinType::ULongFract: return "unsigned long _Fract"; case BuiltinType::BuiltinType::SatShortAccum: return "_Sat short _Accum"; case BuiltinType::BuiltinType::SatAccum: return "_Sat _Accum"; case BuiltinType::BuiltinType::SatLongAccum: return "_Sat long _Accum"; case BuiltinType::BuiltinType::SatUShortAccum: return "_Sat unsigned short _Accum"; case BuiltinType::BuiltinType::SatUAccum: return "_Sat unsigned _Accum"; case BuiltinType::BuiltinType::SatULongAccum: return "_Sat unsigned long _Accum"; case BuiltinType::BuiltinType::SatShortFract: return "_Sat short _Fract"; case BuiltinType::BuiltinType::SatFract: return "_Sat _Fract"; case BuiltinType::BuiltinType::SatLongFract: return "_Sat long _Fract"; case BuiltinType::BuiltinType::SatUShortFract: return "_Sat unsigned short _Fract"; case BuiltinType::BuiltinType::SatUFract: return "_Sat unsigned _Fract"; case BuiltinType::BuiltinType::SatULongFract: return "_Sat unsigned long _Fract"; #endif case BuiltinType::Float16: return "_Float16"; case BuiltinType::Float128: return "__float128"; case BuiltinType::WChar_S: case BuiltinType::WChar_U: return "wchar_t"; #if LLVM_VERSION_MAJOR >= 7 case BuiltinType::Char8: return "char8_t"; #endif case BuiltinType::Char16: return "char16_t"; case BuiltinType::Char32: return "char32_t"; case BuiltinType::NullPtr: return "nullptr_t"; case BuiltinType::Overload: return ""; case BuiltinType::BoundMember: return ""; case BuiltinType::PseudoObject: return ""; case BuiltinType::Dependent: return ""; case BuiltinType::UnknownAny: return ""; case BuiltinType::ARCUnbridgedCast: return ""; case BuiltinType::BuiltinFn: return ""; case BuiltinType::ObjCId: return "id"; case BuiltinType::ObjCClass: return "Class"; case BuiltinType::ObjCSel: return "SEL"; case BuiltinType::OCLSampler: return "sampler_t"; case BuiltinType::OCLEvent: return "event_t"; case BuiltinType::OCLClkEvent: return "clk_event_t"; case BuiltinType::OCLQueue: return "queue_t"; case BuiltinType::OCLReserveID: return "reserve_id_t"; case BuiltinType::OMPArraySection: return ""; default: return ""; } } } // namespace ccls