1 //===-- CPlusPlusLanguage.cpp -----------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "CPlusPlusLanguage.h" 11 12 #include <cctype> 13 #include <cstring> 14 15 #include <functional> 16 #include <memory> 17 #include <mutex> 18 #include <set> 19 20 #include "llvm/ADT/StringRef.h" 21 #include "llvm/Demangle/ItaniumDemangle.h" 22 23 #include "lldb/Core/PluginManager.h" 24 #include "lldb/Core/UniqueCStringMap.h" 25 #include "lldb/DataFormatters/CXXFunctionPointer.h" 26 #include "lldb/DataFormatters/DataVisualization.h" 27 #include "lldb/DataFormatters/FormattersHelpers.h" 28 #include "lldb/DataFormatters/VectorType.h" 29 #include "lldb/Utility/ConstString.h" 30 #include "lldb/Utility/Log.h" 31 #include "lldb/Utility/RegularExpression.h" 32 33 #include "BlockPointer.h" 34 #include "CPlusPlusNameParser.h" 35 #include "CxxStringTypes.h" 36 #include "LibCxx.h" 37 #include "LibCxxAtomic.h" 38 #include "LibCxxVariant.h" 39 #include "LibStdcpp.h" 40 #include "MSVCUndecoratedNameParser.h" 41 42 using namespace lldb; 43 using namespace lldb_private; 44 using namespace lldb_private::formatters; 45 46 void CPlusPlusLanguage::Initialize() { 47 PluginManager::RegisterPlugin(GetPluginNameStatic(), "C++ Language", 48 CreateInstance); 49 } 50 51 void CPlusPlusLanguage::Terminate() { 52 PluginManager::UnregisterPlugin(CreateInstance); 53 } 54 55 lldb_private::ConstString CPlusPlusLanguage::GetPluginNameStatic() { 56 static ConstString g_name("cplusplus"); 57 return g_name; 58 } 59 60 //------------------------------------------------------------------ 61 // PluginInterface protocol 62 //------------------------------------------------------------------ 63 64 lldb_private::ConstString CPlusPlusLanguage::GetPluginName() { 65 return GetPluginNameStatic(); 66 } 67 68 uint32_t CPlusPlusLanguage::GetPluginVersion() { return 1; } 69 70 //------------------------------------------------------------------ 71 // Static Functions 72 //------------------------------------------------------------------ 73 74 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) { 75 if (Language::LanguageIsCPlusPlus(language)) 76 return new CPlusPlusLanguage(); 77 return nullptr; 78 } 79 80 void CPlusPlusLanguage::MethodName::Clear() { 81 m_full.Clear(); 82 m_basename = llvm::StringRef(); 83 m_context = llvm::StringRef(); 84 m_arguments = llvm::StringRef(); 85 m_qualifiers = llvm::StringRef(); 86 m_parsed = false; 87 m_parse_error = false; 88 } 89 90 static bool ReverseFindMatchingChars(const llvm::StringRef &s, 91 const llvm::StringRef &left_right_chars, 92 size_t &left_pos, size_t &right_pos, 93 size_t pos = llvm::StringRef::npos) { 94 assert(left_right_chars.size() == 2); 95 left_pos = llvm::StringRef::npos; 96 const char left_char = left_right_chars[0]; 97 const char right_char = left_right_chars[1]; 98 pos = s.find_last_of(left_right_chars, pos); 99 if (pos == llvm::StringRef::npos || s[pos] == left_char) 100 return false; 101 right_pos = pos; 102 uint32_t depth = 1; 103 while (pos > 0 && depth > 0) { 104 pos = s.find_last_of(left_right_chars, pos); 105 if (pos == llvm::StringRef::npos) 106 return false; 107 if (s[pos] == left_char) { 108 if (--depth == 0) { 109 left_pos = pos; 110 return left_pos < right_pos; 111 } 112 } else if (s[pos] == right_char) { 113 ++depth; 114 } 115 } 116 return false; 117 } 118 119 static bool IsTrivialBasename(const llvm::StringRef &basename) { 120 // Check that the basename matches with the following regular expression 121 // "^~?([A-Za-z_][A-Za-z_0-9]*)$" We are using a hand written implementation 122 // because it is significantly more efficient then using the general purpose 123 // regular expression library. 124 size_t idx = 0; 125 if (basename.size() > 0 && basename[0] == '~') 126 idx = 1; 127 128 if (basename.size() <= idx) 129 return false; // Empty string or "~" 130 131 if (!std::isalpha(basename[idx]) && basename[idx] != '_') 132 return false; // First charater (after removing the possible '~'') isn't in 133 // [A-Za-z_] 134 135 // Read all characters matching [A-Za-z_0-9] 136 ++idx; 137 while (idx < basename.size()) { 138 if (!std::isalnum(basename[idx]) && basename[idx] != '_') 139 break; 140 ++idx; 141 } 142 143 // We processed all characters. It is a vaild basename. 144 if (idx == basename.size()) 145 return true; 146 147 return false; 148 } 149 150 bool CPlusPlusLanguage::MethodName::TrySimplifiedParse() { 151 // This method tries to parse simple method definitions which are presumably 152 // most comman in user programs. Definitions that can be parsed by this 153 // function don't have return types and templates in the name. 154 // A::B::C::fun(std::vector<T> &) const 155 size_t arg_start, arg_end; 156 llvm::StringRef full(m_full.GetCString()); 157 llvm::StringRef parens("()", 2); 158 if (ReverseFindMatchingChars(full, parens, arg_start, arg_end)) { 159 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 160 if (arg_end + 1 < full.size()) 161 m_qualifiers = full.substr(arg_end + 1).ltrim(); 162 163 if (arg_start == 0) 164 return false; 165 size_t basename_end = arg_start; 166 size_t context_start = 0; 167 size_t context_end = full.rfind(':', basename_end); 168 if (context_end == llvm::StringRef::npos) 169 m_basename = full.substr(0, basename_end); 170 else { 171 if (context_start < context_end) 172 m_context = full.substr(context_start, context_end - 1 - context_start); 173 const size_t basename_begin = context_end + 1; 174 m_basename = full.substr(basename_begin, basename_end - basename_begin); 175 } 176 177 if (IsTrivialBasename(m_basename)) { 178 return true; 179 } else { 180 // The C++ basename doesn't match our regular expressions so this can't 181 // be a valid C++ method, clear everything out and indicate an error 182 m_context = llvm::StringRef(); 183 m_basename = llvm::StringRef(); 184 m_arguments = llvm::StringRef(); 185 m_qualifiers = llvm::StringRef(); 186 return false; 187 } 188 } 189 return false; 190 } 191 192 void CPlusPlusLanguage::MethodName::Parse() { 193 if (!m_parsed && m_full) { 194 if (TrySimplifiedParse()) { 195 m_parse_error = false; 196 } else { 197 CPlusPlusNameParser parser(m_full.GetStringRef()); 198 if (auto function = parser.ParseAsFunctionDefinition()) { 199 m_basename = function.getValue().name.basename; 200 m_context = function.getValue().name.context; 201 m_arguments = function.getValue().arguments; 202 m_qualifiers = function.getValue().qualifiers; 203 m_parse_error = false; 204 } else { 205 m_parse_error = true; 206 } 207 } 208 m_parsed = true; 209 } 210 } 211 212 llvm::StringRef CPlusPlusLanguage::MethodName::GetBasename() { 213 if (!m_parsed) 214 Parse(); 215 return m_basename; 216 } 217 218 llvm::StringRef CPlusPlusLanguage::MethodName::GetContext() { 219 if (!m_parsed) 220 Parse(); 221 return m_context; 222 } 223 224 llvm::StringRef CPlusPlusLanguage::MethodName::GetArguments() { 225 if (!m_parsed) 226 Parse(); 227 return m_arguments; 228 } 229 230 llvm::StringRef CPlusPlusLanguage::MethodName::GetQualifiers() { 231 if (!m_parsed) 232 Parse(); 233 return m_qualifiers; 234 } 235 236 std::string CPlusPlusLanguage::MethodName::GetScopeQualifiedName() { 237 if (!m_parsed) 238 Parse(); 239 if (m_context.empty()) 240 return m_basename; 241 242 std::string res; 243 res += m_context; 244 res += "::"; 245 res += m_basename; 246 return res; 247 } 248 249 bool CPlusPlusLanguage::IsCPPMangledName(const char *name) { 250 // FIXME!! we should really run through all the known C++ Language plugins 251 // and ask each one if this is a C++ mangled name 252 253 if (name == nullptr) 254 return false; 255 256 // MSVC style mangling 257 if (name[0] == '?') 258 return true; 259 260 return (name[0] != '\0' && name[0] == '_' && name[1] == 'Z'); 261 } 262 263 bool CPlusPlusLanguage::ExtractContextAndIdentifier( 264 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) { 265 if (MSVCUndecoratedNameParser::IsMSVCUndecoratedName(name)) 266 return MSVCUndecoratedNameParser::ExtractContextAndIdentifier(name, context, 267 identifier); 268 269 CPlusPlusNameParser parser(name); 270 if (auto full_name = parser.ParseAsFullName()) { 271 identifier = full_name.getValue().basename; 272 context = full_name.getValue().context; 273 return true; 274 } 275 return false; 276 } 277 278 namespace { 279 class NodeAllocator { 280 llvm::BumpPtrAllocator Alloc; 281 282 public: 283 void reset() { Alloc.Reset(); } 284 285 template <typename T, typename... Args> T *makeNode(Args &&... args) { 286 return new (Alloc.Allocate(sizeof(T), alignof(T))) 287 T(std::forward<Args>(args)...); 288 } 289 290 void *allocateNodeArray(size_t sz) { 291 return Alloc.Allocate(sizeof(llvm::itanium_demangle::Node *) * sz, 292 alignof(llvm::itanium_demangle::Node *)); 293 } 294 }; 295 296 /// Given a mangled function `Mangled`, replace all the primitive function type 297 /// arguments of `Search` with type `Replace`. 298 class TypeSubstitutor 299 : public llvm::itanium_demangle::AbstractManglingParser<TypeSubstitutor, 300 NodeAllocator> { 301 /// Input character until which we have constructed the respective output 302 /// already 303 const char *Written; 304 305 llvm::StringRef Search; 306 llvm::StringRef Replace; 307 llvm::SmallString<128> Result; 308 309 /// Whether we have performed any substitutions. 310 bool Substituted; 311 312 void reset(llvm::StringRef Mangled, llvm::StringRef Search, 313 llvm::StringRef Replace) { 314 AbstractManglingParser::reset(Mangled.begin(), Mangled.end()); 315 Written = Mangled.begin(); 316 this->Search = Search; 317 this->Replace = Replace; 318 Result.clear(); 319 Substituted = false; 320 } 321 322 void appendUnchangedInput() { 323 Result += llvm::StringRef(Written, First - Written); 324 Written = First; 325 } 326 327 public: 328 TypeSubstitutor() : AbstractManglingParser(nullptr, nullptr) {} 329 330 ConstString substitute(llvm::StringRef Mangled, llvm::StringRef From, 331 llvm::StringRef To) { 332 Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE); 333 334 reset(Mangled, From, To); 335 if (parse() == nullptr) { 336 LLDB_LOG(log, "Failed to substitute mangling in {0}", Mangled); 337 return ConstString(); 338 } 339 if (!Substituted) 340 return ConstString(); 341 342 // Append any trailing unmodified input. 343 appendUnchangedInput(); 344 LLDB_LOG(log, "Substituted mangling {0} -> {1}", Mangled, Result); 345 return ConstString(Result); 346 } 347 348 llvm::itanium_demangle::Node *parseType() { 349 if (llvm::StringRef(First, numLeft()).startswith(Search)) { 350 // We found a match. Append unmodified input up to this point. 351 appendUnchangedInput(); 352 353 // And then perform the replacement. 354 Result += Replace; 355 Written += Search.size(); 356 Substituted = true; 357 } 358 return AbstractManglingParser::parseType(); 359 } 360 }; 361 } 362 363 uint32_t CPlusPlusLanguage::FindAlternateFunctionManglings( 364 const ConstString mangled_name, std::set<ConstString> &alternates) { 365 const auto start_size = alternates.size(); 366 /// Get a basic set of alternative manglings for the given symbol `name`, by 367 /// making a few basic possible substitutions on basic types, storage duration 368 /// and `const`ness for the given symbol. The output parameter `alternates` 369 /// is filled with a best-guess, non-exhaustive set of different manglings 370 /// for the given name. 371 372 // Maybe we're looking for a const symbol but the debug info told us it was 373 // non-const... 374 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) && 375 strncmp(mangled_name.GetCString(), "_ZNK", 4)) { 376 std::string fixed_scratch("_ZNK"); 377 fixed_scratch.append(mangled_name.GetCString() + 3); 378 alternates.insert(ConstString(fixed_scratch)); 379 } 380 381 // Maybe we're looking for a static symbol but we thought it was global... 382 if (!strncmp(mangled_name.GetCString(), "_Z", 2) && 383 strncmp(mangled_name.GetCString(), "_ZL", 3)) { 384 std::string fixed_scratch("_ZL"); 385 fixed_scratch.append(mangled_name.GetCString() + 2); 386 alternates.insert(ConstString(fixed_scratch)); 387 } 388 389 TypeSubstitutor TS; 390 // `char` is implementation defined as either `signed` or `unsigned`. As a 391 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed 392 // char, 'h'-unsigned char. If we're looking for symbols with a signed char 393 // parameter, try finding matches which have the general case 'c'. 394 if (ConstString char_fixup = 395 TS.substitute(mangled_name.GetStringRef(), "a", "c")) 396 alternates.insert(char_fixup); 397 398 // long long parameter mangling 'x', may actually just be a long 'l' argument 399 if (ConstString long_fixup = 400 TS.substitute(mangled_name.GetStringRef(), "x", "l")) 401 alternates.insert(long_fixup); 402 403 // unsigned long long parameter mangling 'y', may actually just be unsigned 404 // long 'm' argument 405 if (ConstString ulong_fixup = 406 TS.substitute(mangled_name.GetStringRef(), "y", "m")) 407 alternates.insert(ulong_fixup); 408 409 return alternates.size() - start_size; 410 } 411 412 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 413 if (!cpp_category_sp) 414 return; 415 416 TypeSummaryImpl::Flags stl_summary_flags; 417 stl_summary_flags.SetCascades(true) 418 .SetSkipPointers(false) 419 .SetSkipReferences(false) 420 .SetDontShowChildren(true) 421 .SetDontShowValue(true) 422 .SetShowMembersOneLiner(false) 423 .SetHideItemNames(false); 424 425 #ifndef LLDB_DISABLE_PYTHON 426 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat( 427 stl_summary_flags, 428 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 429 "std::string summary provider")); 430 lldb::TypeSummaryImplSP std_stringu16_summary_sp(new CXXFunctionSummaryFormat( 431 stl_summary_flags, 432 lldb_private::formatters::LibcxxStringSummaryProviderUTF16, 433 "std::u16string summary provider")); 434 lldb::TypeSummaryImplSP std_stringu32_summary_sp(new CXXFunctionSummaryFormat( 435 stl_summary_flags, 436 lldb_private::formatters::LibcxxStringSummaryProviderUTF32, 437 "std::u32string summary provider")); 438 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat( 439 stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, 440 "std::wstring summary provider")); 441 442 cpp_category_sp->GetTypeSummariesContainer()->Add( 443 ConstString("std::__1::string"), std_string_summary_sp); 444 cpp_category_sp->GetTypeSummariesContainer()->Add( 445 ConstString("std::__ndk1::string"), std_string_summary_sp); 446 cpp_category_sp->GetTypeSummariesContainer()->Add( 447 ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, " 448 "std::__1::allocator<char> >"), 449 std_string_summary_sp); 450 cpp_category_sp->GetTypeSummariesContainer()->Add( 451 ConstString( 452 "std::__1::basic_string<char16_t, std::__1::char_traits<char16_t>, " 453 "std::__1::allocator<char16_t> >"), 454 std_stringu16_summary_sp); 455 cpp_category_sp->GetTypeSummariesContainer()->Add( 456 ConstString( 457 "std::__1::basic_string<char32_t, std::__1::char_traits<char32_t>, " 458 "std::__1::allocator<char32_t> >"), 459 std_stringu32_summary_sp); 460 cpp_category_sp->GetTypeSummariesContainer()->Add( 461 ConstString("std::__ndk1::basic_string<char, " 462 "std::__ndk1::char_traits<char>, " 463 "std::__ndk1::allocator<char> >"), 464 std_string_summary_sp); 465 466 cpp_category_sp->GetTypeSummariesContainer()->Add( 467 ConstString("std::__1::wstring"), std_wstring_summary_sp); 468 cpp_category_sp->GetTypeSummariesContainer()->Add( 469 ConstString("std::__ndk1::wstring"), std_wstring_summary_sp); 470 cpp_category_sp->GetTypeSummariesContainer()->Add( 471 ConstString("std::__1::basic_string<wchar_t, " 472 "std::__1::char_traits<wchar_t>, " 473 "std::__1::allocator<wchar_t> >"), 474 std_wstring_summary_sp); 475 cpp_category_sp->GetTypeSummariesContainer()->Add( 476 ConstString("std::__ndk1::basic_string<wchar_t, " 477 "std::__ndk1::char_traits<wchar_t>, " 478 "std::__ndk1::allocator<wchar_t> >"), 479 std_wstring_summary_sp); 480 481 SyntheticChildren::Flags stl_synth_flags; 482 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 483 false); 484 SyntheticChildren::Flags stl_deref_flags = stl_synth_flags; 485 stl_deref_flags.SetFrontEndWantsDereference(); 486 487 AddCXXSynthetic( 488 cpp_category_sp, 489 lldb_private::formatters::LibcxxBitsetSyntheticFrontEndCreator, 490 "libc++ std::bitset synthetic children", 491 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"), stl_deref_flags, 492 true); 493 AddCXXSynthetic( 494 cpp_category_sp, 495 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, 496 "libc++ std::vector synthetic children", 497 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_deref_flags, 498 true); 499 AddCXXSynthetic( 500 cpp_category_sp, 501 lldb_private::formatters::LibcxxStdForwardListSyntheticFrontEndCreator, 502 "libc++ std::forward_list synthetic children", 503 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"), 504 stl_synth_flags, true); 505 AddCXXSynthetic( 506 cpp_category_sp, 507 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, 508 "libc++ std::list synthetic children", 509 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_synth_flags, true); 510 AddCXXSynthetic( 511 cpp_category_sp, 512 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 513 "libc++ std::map synthetic children", 514 ConstString("^std::__(ndk)?1::map<.+> >(( )?&)?$"), stl_synth_flags, 515 true); 516 AddCXXSynthetic( 517 cpp_category_sp, 518 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 519 "libc++ std::set synthetic children", 520 ConstString("^std::__(ndk)?1::set<.+> >(( )?&)?$"), stl_deref_flags, 521 true); 522 AddCXXSynthetic( 523 cpp_category_sp, 524 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 525 "libc++ std::multiset synthetic children", 526 ConstString("^std::__(ndk)?1::multiset<.+> >(( )?&)?$"), stl_deref_flags, 527 true); 528 AddCXXSynthetic( 529 cpp_category_sp, 530 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 531 "libc++ std::multimap synthetic children", 532 ConstString("^std::__(ndk)?1::multimap<.+> >(( )?&)?$"), stl_synth_flags, 533 true); 534 AddCXXSynthetic( 535 cpp_category_sp, 536 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, 537 "libc++ std::unordered containers synthetic children", 538 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 539 stl_synth_flags, true); 540 AddCXXSynthetic( 541 cpp_category_sp, 542 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, 543 "libc++ std::initializer_list synthetic children", 544 ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, 545 true); 546 AddCXXSynthetic(cpp_category_sp, LibcxxQueueFrontEndCreator, 547 "libc++ std::queue synthetic children", 548 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"), 549 stl_synth_flags, true); 550 AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator, 551 "libc++ std::tuple synthetic children", 552 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_synth_flags, 553 true); 554 AddCXXSynthetic(cpp_category_sp, LibcxxOptionalFrontEndCreator, 555 "libc++ std::optional synthetic children", 556 ConstString("^std::__(ndk)?1::optional<.+>(( )?&)?$"), 557 stl_synth_flags, true); 558 AddCXXSynthetic(cpp_category_sp, LibcxxVariantFrontEndCreator, 559 "libc++ std::variant synthetic children", 560 ConstString("^std::__(ndk)?1::variant<.+>(( )?&)?$"), 561 stl_synth_flags, true); 562 AddCXXSynthetic( 563 cpp_category_sp, 564 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, 565 "libc++ std::atomic synthetic children", 566 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_synth_flags, true); 567 568 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 569 RegularExpressionSP(new RegularExpression( 570 llvm::StringRef("^(std::__(ndk)?1::)deque<.+>(( )?&)?$"))), 571 SyntheticChildrenSP(new ScriptedSyntheticChildren( 572 stl_synth_flags, 573 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 574 575 AddCXXSynthetic( 576 cpp_category_sp, 577 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 578 "shared_ptr synthetic children", 579 ConstString("^(std::__(ndk)?1::)shared_ptr<.+>(( )?&)?$"), 580 stl_synth_flags, true); 581 AddCXXSynthetic( 582 cpp_category_sp, 583 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 584 "weak_ptr synthetic children", 585 ConstString("^(std::__(ndk)?1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, 586 true); 587 588 AddCXXSummary( 589 cpp_category_sp, lldb_private::formatters::LibcxxFunctionSummaryProvider, 590 "libc++ std::function summary provider", 591 ConstString("^std::__(ndk)?1::function<.+>$"), stl_summary_flags, true); 592 593 stl_summary_flags.SetDontShowChildren(false); 594 stl_summary_flags.SetSkipPointers(false); 595 AddCXXSummary(cpp_category_sp, 596 lldb_private::formatters::LibcxxContainerSummaryProvider, 597 "libc++ std::bitset summary provider", 598 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"), 599 stl_summary_flags, true); 600 AddCXXSummary(cpp_category_sp, 601 lldb_private::formatters::LibcxxContainerSummaryProvider, 602 "libc++ std::vector summary provider", 603 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), 604 stl_summary_flags, true); 605 AddCXXSummary(cpp_category_sp, 606 lldb_private::formatters::LibcxxContainerSummaryProvider, 607 "libc++ std::list summary provider", 608 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"), 609 stl_summary_flags, true); 610 AddCXXSummary(cpp_category_sp, 611 lldb_private::formatters::LibcxxContainerSummaryProvider, 612 "libc++ std::list summary provider", 613 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), 614 stl_summary_flags, true); 615 AddCXXSummary(cpp_category_sp, 616 lldb_private::formatters::LibcxxContainerSummaryProvider, 617 "libc++ std::map summary provider", 618 ConstString("^std::__(ndk)?1::map<.+>(( )?&)?$"), 619 stl_summary_flags, true); 620 AddCXXSummary(cpp_category_sp, 621 lldb_private::formatters::LibcxxContainerSummaryProvider, 622 "libc++ std::deque summary provider", 623 ConstString("^std::__(ndk)?1::deque<.+>(( )?&)?$"), 624 stl_summary_flags, true); 625 AddCXXSummary(cpp_category_sp, 626 lldb_private::formatters::LibcxxContainerSummaryProvider, 627 "libc++ std::queue summary provider", 628 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"), 629 stl_summary_flags, true); 630 AddCXXSummary(cpp_category_sp, 631 lldb_private::formatters::LibcxxContainerSummaryProvider, 632 "libc++ std::set summary provider", 633 ConstString("^std::__(ndk)?1::set<.+>(( )?&)?$"), 634 stl_summary_flags, true); 635 AddCXXSummary(cpp_category_sp, 636 lldb_private::formatters::LibcxxContainerSummaryProvider, 637 "libc++ std::multiset summary provider", 638 ConstString("^std::__(ndk)?1::multiset<.+>(( )?&)?$"), 639 stl_summary_flags, true); 640 AddCXXSummary(cpp_category_sp, 641 lldb_private::formatters::LibcxxContainerSummaryProvider, 642 "libc++ std::multimap summary provider", 643 ConstString("^std::__(ndk)?1::multimap<.+>(( )?&)?$"), 644 stl_summary_flags, true); 645 AddCXXSummary( 646 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 647 "libc++ std::unordered containers summary provider", 648 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 649 stl_summary_flags, true); 650 AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider, 651 "libc++ std::tuple summary provider", 652 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_summary_flags, 653 true); 654 AddCXXSummary( 655 cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, 656 "libc++ std::atomic summary provider", 657 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_summary_flags, true); 658 AddCXXSummary(cpp_category_sp, 659 lldb_private::formatters::LibcxxOptionalSummaryProvider, 660 "libc++ std::optional summary provider", 661 ConstString("^std::__(ndk)?1::optional<.+>(( )?&)?$"), 662 stl_summary_flags, true); 663 AddCXXSummary(cpp_category_sp, 664 lldb_private::formatters::LibcxxVariantSummaryProvider, 665 "libc++ std::variant summary provider", 666 ConstString("^std::__(ndk)?1::variant<.+>(( )?&)?$"), 667 stl_summary_flags, true); 668 669 stl_summary_flags.SetSkipPointers(true); 670 671 AddCXXSummary(cpp_category_sp, 672 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 673 "libc++ std::shared_ptr summary provider", 674 ConstString("^std::__(ndk)?1::shared_ptr<.+>(( )?&)?$"), 675 stl_summary_flags, true); 676 AddCXXSummary(cpp_category_sp, 677 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 678 "libc++ std::weak_ptr summary provider", 679 ConstString("^std::__(ndk)?1::weak_ptr<.+>(( )?&)?$"), 680 stl_summary_flags, true); 681 682 AddCXXSynthetic( 683 cpp_category_sp, 684 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, 685 "std::vector iterator synthetic children", 686 ConstString("^std::__(ndk)?1::__wrap_iter<.+>$"), stl_synth_flags, true); 687 688 AddCXXSynthetic( 689 cpp_category_sp, 690 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, 691 "std::map iterator synthetic children", 692 ConstString("^std::__(ndk)?1::__map_iterator<.+>$"), stl_synth_flags, 693 true); 694 #endif 695 } 696 697 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 698 if (!cpp_category_sp) 699 return; 700 701 TypeSummaryImpl::Flags stl_summary_flags; 702 stl_summary_flags.SetCascades(true) 703 .SetSkipPointers(false) 704 .SetSkipReferences(false) 705 .SetDontShowChildren(true) 706 .SetDontShowValue(true) 707 .SetShowMembersOneLiner(false) 708 .SetHideItemNames(false); 709 710 lldb::TypeSummaryImplSP std_string_summary_sp( 711 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}")); 712 713 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat( 714 stl_summary_flags, LibStdcppStringSummaryProvider, 715 "libstdc++ c++11 std::string summary provider")); 716 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat( 717 stl_summary_flags, LibStdcppWStringSummaryProvider, 718 "libstdc++ c++11 std::wstring summary provider")); 719 720 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 721 std_string_summary_sp); 722 cpp_category_sp->GetTypeSummariesContainer()->Add( 723 ConstString("std::basic_string<char>"), std_string_summary_sp); 724 cpp_category_sp->GetTypeSummariesContainer()->Add( 725 ConstString("std::basic_string<char,std::char_traits<char>,std::" 726 "allocator<char> >"), 727 std_string_summary_sp); 728 cpp_category_sp->GetTypeSummariesContainer()->Add( 729 ConstString("std::basic_string<char, std::char_traits<char>, " 730 "std::allocator<char> >"), 731 std_string_summary_sp); 732 733 cpp_category_sp->GetTypeSummariesContainer()->Add( 734 ConstString("std::__cxx11::string"), cxx11_string_summary_sp); 735 cpp_category_sp->GetTypeSummariesContainer()->Add( 736 ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, " 737 "std::allocator<char> >"), 738 cxx11_string_summary_sp); 739 740 // making sure we force-pick the summary for printing wstring (_M_p is a 741 // wchar_t*) 742 lldb::TypeSummaryImplSP std_wstring_summary_sp( 743 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}")); 744 745 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 746 std_wstring_summary_sp); 747 cpp_category_sp->GetTypeSummariesContainer()->Add( 748 ConstString("std::basic_string<wchar_t>"), std_wstring_summary_sp); 749 cpp_category_sp->GetTypeSummariesContainer()->Add( 750 ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::" 751 "allocator<wchar_t> >"), 752 std_wstring_summary_sp); 753 cpp_category_sp->GetTypeSummariesContainer()->Add( 754 ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, " 755 "std::allocator<wchar_t> >"), 756 std_wstring_summary_sp); 757 758 cpp_category_sp->GetTypeSummariesContainer()->Add( 759 ConstString("std::__cxx11::wstring"), cxx11_wstring_summary_sp); 760 cpp_category_sp->GetTypeSummariesContainer()->Add( 761 ConstString("std::__cxx11::basic_string<wchar_t, " 762 "std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 763 cxx11_wstring_summary_sp); 764 765 #ifndef LLDB_DISABLE_PYTHON 766 767 SyntheticChildren::Flags stl_synth_flags; 768 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 769 false); 770 771 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 772 RegularExpressionSP( 773 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 774 SyntheticChildrenSP(new ScriptedSyntheticChildren( 775 stl_synth_flags, 776 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 777 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 778 RegularExpressionSP( 779 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 780 SyntheticChildrenSP(new ScriptedSyntheticChildren( 781 stl_synth_flags, 782 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 783 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 784 RegularExpressionSP(new RegularExpression( 785 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 786 SyntheticChildrenSP(new ScriptedSyntheticChildren( 787 stl_synth_flags, 788 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 789 stl_summary_flags.SetDontShowChildren(false); 790 stl_summary_flags.SetSkipPointers(true); 791 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 792 RegularExpressionSP( 793 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 794 TypeSummaryImplSP( 795 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 796 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 797 RegularExpressionSP( 798 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 799 TypeSummaryImplSP( 800 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 801 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 802 RegularExpressionSP(new RegularExpression( 803 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 804 TypeSummaryImplSP( 805 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 806 807 AddCXXSynthetic( 808 cpp_category_sp, 809 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, 810 "std::vector iterator synthetic children", 811 ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 812 813 AddCXXSynthetic( 814 cpp_category_sp, 815 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, 816 "std::map iterator synthetic children", 817 ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 818 819 AddCXXSynthetic( 820 cpp_category_sp, 821 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator, 822 "std::unique_ptr synthetic children", 823 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 824 AddCXXSynthetic( 825 cpp_category_sp, 826 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 827 "std::shared_ptr synthetic children", 828 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 829 AddCXXSynthetic( 830 cpp_category_sp, 831 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 832 "std::weak_ptr synthetic children", 833 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 834 AddCXXSynthetic( 835 cpp_category_sp, 836 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, 837 "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"), 838 stl_synth_flags, true); 839 840 AddCXXSummary(cpp_category_sp, 841 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider, 842 "libstdc++ std::unique_ptr summary provider", 843 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_summary_flags, 844 true); 845 AddCXXSummary(cpp_category_sp, 846 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 847 "libstdc++ std::shared_ptr summary provider", 848 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, 849 true); 850 AddCXXSummary(cpp_category_sp, 851 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 852 "libstdc++ std::weak_ptr summary provider", 853 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, 854 true); 855 #endif 856 } 857 858 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 859 if (!cpp_category_sp) 860 return; 861 862 TypeSummaryImpl::Flags string_flags; 863 string_flags.SetCascades(true) 864 .SetSkipPointers(true) 865 .SetSkipReferences(false) 866 .SetDontShowChildren(true) 867 .SetDontShowValue(false) 868 .SetShowMembersOneLiner(false) 869 .SetHideItemNames(false); 870 871 TypeSummaryImpl::Flags string_array_flags; 872 string_array_flags.SetCascades(true) 873 .SetSkipPointers(true) 874 .SetSkipReferences(false) 875 .SetDontShowChildren(true) 876 .SetDontShowValue(true) 877 .SetShowMembersOneLiner(false) 878 .SetHideItemNames(false); 879 880 #ifndef LLDB_DISABLE_PYTHON 881 // FIXME because of a bug in the FormattersContainer we need to add a summary 882 // for both X* and const X* (<rdar://problem/12717717>) 883 AddCXXSummary( 884 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 885 "char16_t * summary provider", ConstString("char16_t *"), string_flags); 886 AddCXXSummary(cpp_category_sp, 887 lldb_private::formatters::Char16StringSummaryProvider, 888 "char16_t [] summary provider", 889 ConstString("char16_t \\[[0-9]+\\]"), string_array_flags, true); 890 891 AddCXXSummary( 892 cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, 893 "char32_t * summary provider", ConstString("char32_t *"), string_flags); 894 AddCXXSummary(cpp_category_sp, 895 lldb_private::formatters::Char32StringSummaryProvider, 896 "char32_t [] summary provider", 897 ConstString("char32_t \\[[0-9]+\\]"), string_array_flags, true); 898 899 AddCXXSummary( 900 cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, 901 "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 902 AddCXXSummary(cpp_category_sp, 903 lldb_private::formatters::WCharStringSummaryProvider, 904 "wchar_t * summary provider", 905 ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 906 907 AddCXXSummary( 908 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 909 "unichar * summary provider", ConstString("unichar *"), string_flags); 910 911 TypeSummaryImpl::Flags widechar_flags; 912 widechar_flags.SetDontShowValue(true) 913 .SetSkipPointers(true) 914 .SetSkipReferences(false) 915 .SetCascades(true) 916 .SetDontShowChildren(true) 917 .SetHideItemNames(true) 918 .SetShowMembersOneLiner(false); 919 920 AddCXXSummary( 921 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 922 "char16_t summary provider", ConstString("char16_t"), widechar_flags); 923 AddCXXSummary( 924 cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, 925 "char32_t summary provider", ConstString("char32_t"), widechar_flags); 926 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, 927 "wchar_t summary provider", ConstString("wchar_t"), 928 widechar_flags); 929 930 AddCXXSummary( 931 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 932 "unichar summary provider", ConstString("unichar"), widechar_flags); 933 #endif 934 } 935 936 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() { 937 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger { 938 public: 939 virtual CompilerType AdjustForInclusion(CompilerType &candidate) override { 940 LanguageType lang_type(candidate.GetMinimumLanguage()); 941 if (!Language::LanguageIsC(lang_type) && 942 !Language::LanguageIsCPlusPlus(lang_type)) 943 return CompilerType(); 944 if (candidate.IsTypedefType()) 945 return candidate.GetTypedefedType(); 946 return candidate; 947 } 948 }; 949 950 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger()); 951 } 952 953 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() { 954 static llvm::once_flag g_initialize; 955 static TypeCategoryImplSP g_category; 956 957 llvm::call_once(g_initialize, [this]() -> void { 958 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 959 if (g_category) { 960 LoadLibCxxFormatters(g_category); 961 LoadLibStdcppFormatters(g_category); 962 LoadSystemFormatters(g_category); 963 } 964 }); 965 return g_category; 966 } 967 968 HardcodedFormatters::HardcodedSummaryFinder 969 CPlusPlusLanguage::GetHardcodedSummaries() { 970 static llvm::once_flag g_initialize; 971 static ConstString g_vectortypes("VectorTypes"); 972 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 973 974 llvm::call_once(g_initialize, []() -> void { 975 g_formatters.push_back( 976 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 977 FormatManager &) -> TypeSummaryImpl::SharedPointer { 978 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 979 new CXXFunctionSummaryFormat( 980 TypeSummaryImpl::Flags(), 981 lldb_private::formatters::CXXFunctionPointerSummaryProvider, 982 "Function pointer summary provider")); 983 if (valobj.GetCompilerType().IsFunctionPointerType()) { 984 return formatter_sp; 985 } 986 return nullptr; 987 }); 988 g_formatters.push_back( 989 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 990 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 991 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 992 new CXXFunctionSummaryFormat( 993 TypeSummaryImpl::Flags() 994 .SetCascades(true) 995 .SetDontShowChildren(true) 996 .SetHideItemNames(true) 997 .SetShowMembersOneLiner(true) 998 .SetSkipPointers(true) 999 .SetSkipReferences(false), 1000 lldb_private::formatters::VectorTypeSummaryProvider, 1001 "vector_type pointer summary provider")); 1002 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1003 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1004 return formatter_sp; 1005 } 1006 return nullptr; 1007 }); 1008 g_formatters.push_back( 1009 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1010 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1011 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1012 new CXXFunctionSummaryFormat( 1013 TypeSummaryImpl::Flags() 1014 .SetCascades(true) 1015 .SetDontShowChildren(true) 1016 .SetHideItemNames(true) 1017 .SetShowMembersOneLiner(true) 1018 .SetSkipPointers(true) 1019 .SetSkipReferences(false), 1020 lldb_private::formatters::BlockPointerSummaryProvider, 1021 "block pointer summary provider")); 1022 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1023 return formatter_sp; 1024 } 1025 return nullptr; 1026 }); 1027 }); 1028 1029 return g_formatters; 1030 } 1031 1032 HardcodedFormatters::HardcodedSyntheticFinder 1033 CPlusPlusLanguage::GetHardcodedSynthetics() { 1034 static llvm::once_flag g_initialize; 1035 static ConstString g_vectortypes("VectorTypes"); 1036 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 1037 1038 llvm::call_once(g_initialize, []() -> void { 1039 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1040 lldb::DynamicValueType, 1041 FormatManager & 1042 fmt_mgr) -> SyntheticChildren::SharedPointer { 1043 static CXXSyntheticChildren::SharedPointer formatter_sp( 1044 new CXXSyntheticChildren( 1045 SyntheticChildren::Flags() 1046 .SetCascades(true) 1047 .SetSkipPointers(true) 1048 .SetSkipReferences(true) 1049 .SetNonCacheable(true), 1050 "vector_type synthetic children", 1051 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 1052 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1053 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1054 return formatter_sp; 1055 } 1056 return nullptr; 1057 }); 1058 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1059 lldb::DynamicValueType, 1060 FormatManager & 1061 fmt_mgr) -> SyntheticChildren::SharedPointer { 1062 static CXXSyntheticChildren::SharedPointer formatter_sp( 1063 new CXXSyntheticChildren( 1064 SyntheticChildren::Flags() 1065 .SetCascades(true) 1066 .SetSkipPointers(true) 1067 .SetSkipReferences(true) 1068 .SetNonCacheable(true), 1069 "block pointer synthetic children", 1070 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 1071 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1072 return formatter_sp; 1073 } 1074 return nullptr; 1075 }); 1076 1077 }); 1078 1079 return g_formatters; 1080 } 1081 1082 bool CPlusPlusLanguage::IsSourceFile(llvm::StringRef file_path) const { 1083 const auto suffixes = {".cpp", ".cxx", ".c++", ".cc", ".c", 1084 ".h", ".hh", ".hpp", ".hxx", ".h++"}; 1085 for (auto suffix : suffixes) { 1086 if (file_path.endswith_lower(suffix)) 1087 return true; 1088 } 1089 1090 // Check if we're in a STL path (where the files usually have no extension 1091 // that we could check for. 1092 return file_path.contains("/usr/include/c++/"); 1093 } 1094