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