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 // C Includes 13 #include <cctype> 14 #include <cstring> 15 16 // C++ Includes 17 #include <functional> 18 #include <memory> 19 #include <mutex> 20 #include <set> 21 22 // Other libraries and framework includes 23 #include "llvm/ADT/StringRef.h" 24 #include "llvm/Demangle/ItaniumDemangle.h" 25 26 // Project includes 27 #include "lldb/Core/PluginManager.h" 28 #include "lldb/Core/UniqueCStringMap.h" 29 #include "lldb/DataFormatters/CXXFunctionPointer.h" 30 #include "lldb/DataFormatters/DataVisualization.h" 31 #include "lldb/DataFormatters/FormattersHelpers.h" 32 #include "lldb/DataFormatters/VectorType.h" 33 #include "lldb/Utility/ConstString.h" 34 #include "lldb/Utility/Log.h" 35 #include "lldb/Utility/RegularExpression.h" 36 37 #include "BlockPointer.h" 38 #include "CPlusPlusNameParser.h" 39 #include "CxxStringTypes.h" 40 #include "LibCxx.h" 41 #include "LibCxxAtomic.h" 42 #include "LibCxxVariant.h" 43 #include "LibStdcpp.h" 44 #include "MSVCUndecoratedNameParser.h" 45 46 using namespace lldb; 47 using namespace lldb_private; 48 using namespace lldb_private::formatters; 49 50 void CPlusPlusLanguage::Initialize() { 51 PluginManager::RegisterPlugin(GetPluginNameStatic(), "C++ Language", 52 CreateInstance); 53 } 54 55 void CPlusPlusLanguage::Terminate() { 56 PluginManager::UnregisterPlugin(CreateInstance); 57 } 58 59 lldb_private::ConstString CPlusPlusLanguage::GetPluginNameStatic() { 60 static ConstString g_name("cplusplus"); 61 return g_name; 62 } 63 64 //------------------------------------------------------------------ 65 // PluginInterface protocol 66 //------------------------------------------------------------------ 67 68 lldb_private::ConstString CPlusPlusLanguage::GetPluginName() { 69 return GetPluginNameStatic(); 70 } 71 72 uint32_t CPlusPlusLanguage::GetPluginVersion() { return 1; } 73 74 //------------------------------------------------------------------ 75 // Static Functions 76 //------------------------------------------------------------------ 77 78 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) { 79 if (Language::LanguageIsCPlusPlus(language)) 80 return new CPlusPlusLanguage(); 81 return nullptr; 82 } 83 84 void CPlusPlusLanguage::MethodName::Clear() { 85 m_full.Clear(); 86 m_basename = llvm::StringRef(); 87 m_context = llvm::StringRef(); 88 m_arguments = llvm::StringRef(); 89 m_qualifiers = llvm::StringRef(); 90 m_parsed = false; 91 m_parse_error = false; 92 } 93 94 static bool ReverseFindMatchingChars(const llvm::StringRef &s, 95 const llvm::StringRef &left_right_chars, 96 size_t &left_pos, size_t &right_pos, 97 size_t pos = llvm::StringRef::npos) { 98 assert(left_right_chars.size() == 2); 99 left_pos = llvm::StringRef::npos; 100 const char left_char = left_right_chars[0]; 101 const char right_char = left_right_chars[1]; 102 pos = s.find_last_of(left_right_chars, pos); 103 if (pos == llvm::StringRef::npos || s[pos] == left_char) 104 return false; 105 right_pos = pos; 106 uint32_t depth = 1; 107 while (pos > 0 && depth > 0) { 108 pos = s.find_last_of(left_right_chars, pos); 109 if (pos == llvm::StringRef::npos) 110 return false; 111 if (s[pos] == left_char) { 112 if (--depth == 0) { 113 left_pos = pos; 114 return left_pos < right_pos; 115 } 116 } else if (s[pos] == right_char) { 117 ++depth; 118 } 119 } 120 return false; 121 } 122 123 static bool IsTrivialBasename(const llvm::StringRef &basename) { 124 // Check that the basename matches with the following regular expression 125 // "^~?([A-Za-z_][A-Za-z_0-9]*)$" We are using a hand written implementation 126 // because it is significantly more efficient then using the general purpose 127 // regular expression library. 128 size_t idx = 0; 129 if (basename.size() > 0 && basename[0] == '~') 130 idx = 1; 131 132 if (basename.size() <= idx) 133 return false; // Empty string or "~" 134 135 if (!std::isalpha(basename[idx]) && basename[idx] != '_') 136 return false; // First charater (after removing the possible '~'') isn't in 137 // [A-Za-z_] 138 139 // Read all characters matching [A-Za-z_0-9] 140 ++idx; 141 while (idx < basename.size()) { 142 if (!std::isalnum(basename[idx]) && basename[idx] != '_') 143 break; 144 ++idx; 145 } 146 147 // We processed all characters. It is a vaild basename. 148 if (idx == basename.size()) 149 return true; 150 151 return false; 152 } 153 154 bool CPlusPlusLanguage::MethodName::TrySimplifiedParse() { 155 // This method tries to parse simple method definitions which are presumably 156 // most comman in user programs. Definitions that can be parsed by this 157 // function don't have return types and templates in the name. 158 // A::B::C::fun(std::vector<T> &) const 159 size_t arg_start, arg_end; 160 llvm::StringRef full(m_full.GetCString()); 161 llvm::StringRef parens("()", 2); 162 if (ReverseFindMatchingChars(full, parens, arg_start, arg_end)) { 163 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 164 if (arg_end + 1 < full.size()) 165 m_qualifiers = full.substr(arg_end + 1).ltrim(); 166 167 if (arg_start == 0) 168 return false; 169 size_t basename_end = arg_start; 170 size_t context_start = 0; 171 size_t context_end = full.rfind(':', basename_end); 172 if (context_end == llvm::StringRef::npos) 173 m_basename = full.substr(0, basename_end); 174 else { 175 if (context_start < context_end) 176 m_context = full.substr(context_start, context_end - 1 - context_start); 177 const size_t basename_begin = context_end + 1; 178 m_basename = full.substr(basename_begin, basename_end - basename_begin); 179 } 180 181 if (IsTrivialBasename(m_basename)) { 182 return true; 183 } else { 184 // The C++ basename doesn't match our regular expressions so this can't 185 // be a valid C++ method, clear everything out and indicate an error 186 m_context = llvm::StringRef(); 187 m_basename = llvm::StringRef(); 188 m_arguments = llvm::StringRef(); 189 m_qualifiers = llvm::StringRef(); 190 return false; 191 } 192 } 193 return false; 194 } 195 196 void CPlusPlusLanguage::MethodName::Parse() { 197 if (!m_parsed && m_full) { 198 if (TrySimplifiedParse()) { 199 m_parse_error = false; 200 } else { 201 CPlusPlusNameParser parser(m_full.GetStringRef()); 202 if (auto function = parser.ParseAsFunctionDefinition()) { 203 m_basename = function.getValue().name.basename; 204 m_context = function.getValue().name.context; 205 m_arguments = function.getValue().arguments; 206 m_qualifiers = function.getValue().qualifiers; 207 m_parse_error = false; 208 } else { 209 m_parse_error = true; 210 } 211 } 212 m_parsed = true; 213 } 214 } 215 216 llvm::StringRef CPlusPlusLanguage::MethodName::GetBasename() { 217 if (!m_parsed) 218 Parse(); 219 return m_basename; 220 } 221 222 llvm::StringRef CPlusPlusLanguage::MethodName::GetContext() { 223 if (!m_parsed) 224 Parse(); 225 return m_context; 226 } 227 228 llvm::StringRef CPlusPlusLanguage::MethodName::GetArguments() { 229 if (!m_parsed) 230 Parse(); 231 return m_arguments; 232 } 233 234 llvm::StringRef CPlusPlusLanguage::MethodName::GetQualifiers() { 235 if (!m_parsed) 236 Parse(); 237 return m_qualifiers; 238 } 239 240 std::string CPlusPlusLanguage::MethodName::GetScopeQualifiedName() { 241 if (!m_parsed) 242 Parse(); 243 if (m_context.empty()) 244 return m_basename; 245 246 std::string res; 247 res += m_context; 248 res += "::"; 249 res += m_basename; 250 return res; 251 } 252 253 bool CPlusPlusLanguage::IsCPPMangledName(const char *name) { 254 // FIXME!! we should really run through all the known C++ Language plugins 255 // and ask each one if this is a C++ mangled name 256 257 if (name == nullptr) 258 return false; 259 260 // MSVC style mangling 261 if (name[0] == '?') 262 return true; 263 264 return (name[0] != '\0' && name[0] == '_' && name[1] == 'Z'); 265 } 266 267 bool CPlusPlusLanguage::ExtractContextAndIdentifier( 268 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) { 269 if (MSVCUndecoratedNameParser::IsMSVCUndecoratedName(name)) 270 return MSVCUndecoratedNameParser::ExtractContextAndIdentifier(name, context, 271 identifier); 272 273 CPlusPlusNameParser parser(name); 274 if (auto full_name = parser.ParseAsFullName()) { 275 identifier = full_name.getValue().basename; 276 context = full_name.getValue().context; 277 return true; 278 } 279 return false; 280 } 281 282 namespace { 283 class NodeAllocator { 284 llvm::BumpPtrAllocator Alloc; 285 286 public: 287 void reset() { Alloc.Reset(); } 288 289 template <typename T, typename... Args> T *makeNode(Args &&... args) { 290 return new (Alloc.Allocate(sizeof(T), alignof(T))) 291 T(std::forward<Args>(args)...); 292 } 293 294 void *allocateNodeArray(size_t sz) { 295 return Alloc.Allocate(sizeof(llvm::itanium_demangle::Node *) * sz, 296 alignof(llvm::itanium_demangle::Node *)); 297 } 298 }; 299 300 /// Given a mangled function `Mangled`, replace all the primitive function type 301 /// arguments of `Search` with type `Replace`. 302 class TypeSubstitutor 303 : public llvm::itanium_demangle::AbstractManglingParser<TypeSubstitutor, 304 NodeAllocator> { 305 /// Input character until which we have constructed the respective output 306 /// already 307 const char *Written; 308 309 llvm::StringRef Search; 310 llvm::StringRef Replace; 311 llvm::SmallString<128> Result; 312 313 /// Whether we have performed any substitutions. 314 bool Substituted; 315 316 void reset(llvm::StringRef Mangled, llvm::StringRef Search, 317 llvm::StringRef Replace) { 318 AbstractManglingParser::reset(Mangled.begin(), Mangled.end()); 319 Written = Mangled.begin(); 320 this->Search = Search; 321 this->Replace = Replace; 322 Result.clear(); 323 Substituted = false; 324 } 325 326 void appendUnchangedInput() { 327 Result += llvm::StringRef(Written, First - Written); 328 Written = First; 329 } 330 331 public: 332 TypeSubstitutor() : AbstractManglingParser(nullptr, nullptr) {} 333 334 ConstString substitute(llvm::StringRef Mangled, llvm::StringRef From, 335 llvm::StringRef To) { 336 Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE); 337 338 reset(Mangled, From, To); 339 if (parse() == nullptr) { 340 LLDB_LOG(log, "Failed to substitute mangling in {0}", Mangled); 341 return ConstString(); 342 } 343 if (!Substituted) 344 return ConstString(); 345 346 // Append any trailing unmodified input. 347 appendUnchangedInput(); 348 LLDB_LOG(log, "Substituted mangling {0} -> {1}", Mangled, Result); 349 return ConstString(Result); 350 } 351 352 llvm::itanium_demangle::Node *parseType() { 353 if (llvm::StringRef(First, numLeft()).startswith(Search)) { 354 // We found a match. Append unmodified input up to this point. 355 appendUnchangedInput(); 356 357 // And then perform the replacement. 358 Result += Replace; 359 Written += Search.size(); 360 Substituted = true; 361 } 362 return AbstractManglingParser::parseType(); 363 } 364 }; 365 } 366 367 uint32_t CPlusPlusLanguage::FindAlternateFunctionManglings( 368 const ConstString mangled_name, std::set<ConstString> &alternates) { 369 const auto start_size = alternates.size(); 370 /// Get a basic set of alternative manglings for the given symbol `name`, by 371 /// making a few basic possible substitutions on basic types, storage duration 372 /// and `const`ness for the given symbol. The output parameter `alternates` 373 /// is filled with a best-guess, non-exhaustive set of different manglings 374 /// for the given name. 375 376 // Maybe we're looking for a const symbol but the debug info told us it was 377 // non-const... 378 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) && 379 strncmp(mangled_name.GetCString(), "_ZNK", 4)) { 380 std::string fixed_scratch("_ZNK"); 381 fixed_scratch.append(mangled_name.GetCString() + 3); 382 alternates.insert(ConstString(fixed_scratch)); 383 } 384 385 // Maybe we're looking for a static symbol but we thought it was global... 386 if (!strncmp(mangled_name.GetCString(), "_Z", 2) && 387 strncmp(mangled_name.GetCString(), "_ZL", 3)) { 388 std::string fixed_scratch("_ZL"); 389 fixed_scratch.append(mangled_name.GetCString() + 2); 390 alternates.insert(ConstString(fixed_scratch)); 391 } 392 393 TypeSubstitutor TS; 394 // `char` is implementation defined as either `signed` or `unsigned`. As a 395 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed 396 // char, 'h'-unsigned char. If we're looking for symbols with a signed char 397 // parameter, try finding matches which have the general case 'c'. 398 if (ConstString char_fixup = 399 TS.substitute(mangled_name.GetStringRef(), "a", "c")) 400 alternates.insert(char_fixup); 401 402 // long long parameter mangling 'x', may actually just be a long 'l' argument 403 if (ConstString long_fixup = 404 TS.substitute(mangled_name.GetStringRef(), "x", "l")) 405 alternates.insert(long_fixup); 406 407 // unsigned long long parameter mangling 'y', may actually just be unsigned 408 // long 'm' argument 409 if (ConstString ulong_fixup = 410 TS.substitute(mangled_name.GetStringRef(), "y", "m")) 411 alternates.insert(ulong_fixup); 412 413 return alternates.size() - start_size; 414 } 415 416 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 417 if (!cpp_category_sp) 418 return; 419 420 TypeSummaryImpl::Flags stl_summary_flags; 421 stl_summary_flags.SetCascades(true) 422 .SetSkipPointers(false) 423 .SetSkipReferences(false) 424 .SetDontShowChildren(true) 425 .SetDontShowValue(true) 426 .SetShowMembersOneLiner(false) 427 .SetHideItemNames(false); 428 429 #ifndef LLDB_DISABLE_PYTHON 430 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat( 431 stl_summary_flags, 432 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 433 "std::string summary provider")); 434 lldb::TypeSummaryImplSP std_stringu16_summary_sp(new CXXFunctionSummaryFormat( 435 stl_summary_flags, 436 lldb_private::formatters::LibcxxStringSummaryProviderUTF16, 437 "std::u16string summary provider")); 438 lldb::TypeSummaryImplSP std_stringu32_summary_sp(new CXXFunctionSummaryFormat( 439 stl_summary_flags, 440 lldb_private::formatters::LibcxxStringSummaryProviderUTF32, 441 "std::u32string summary provider")); 442 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat( 443 stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, 444 "std::wstring summary provider")); 445 446 cpp_category_sp->GetTypeSummariesContainer()->Add( 447 ConstString("std::__1::string"), std_string_summary_sp); 448 cpp_category_sp->GetTypeSummariesContainer()->Add( 449 ConstString("std::__ndk1::string"), std_string_summary_sp); 450 cpp_category_sp->GetTypeSummariesContainer()->Add( 451 ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, " 452 "std::__1::allocator<char> >"), 453 std_string_summary_sp); 454 cpp_category_sp->GetTypeSummariesContainer()->Add( 455 ConstString( 456 "std::__1::basic_string<char16_t, std::__1::char_traits<char16_t>, " 457 "std::__1::allocator<char16_t> >"), 458 std_stringu16_summary_sp); 459 cpp_category_sp->GetTypeSummariesContainer()->Add( 460 ConstString( 461 "std::__1::basic_string<char32_t, std::__1::char_traits<char32_t>, " 462 "std::__1::allocator<char32_t> >"), 463 std_stringu32_summary_sp); 464 cpp_category_sp->GetTypeSummariesContainer()->Add( 465 ConstString("std::__ndk1::basic_string<char, " 466 "std::__ndk1::char_traits<char>, " 467 "std::__ndk1::allocator<char> >"), 468 std_string_summary_sp); 469 470 cpp_category_sp->GetTypeSummariesContainer()->Add( 471 ConstString("std::__1::wstring"), std_wstring_summary_sp); 472 cpp_category_sp->GetTypeSummariesContainer()->Add( 473 ConstString("std::__ndk1::wstring"), std_wstring_summary_sp); 474 cpp_category_sp->GetTypeSummariesContainer()->Add( 475 ConstString("std::__1::basic_string<wchar_t, " 476 "std::__1::char_traits<wchar_t>, " 477 "std::__1::allocator<wchar_t> >"), 478 std_wstring_summary_sp); 479 cpp_category_sp->GetTypeSummariesContainer()->Add( 480 ConstString("std::__ndk1::basic_string<wchar_t, " 481 "std::__ndk1::char_traits<wchar_t>, " 482 "std::__ndk1::allocator<wchar_t> >"), 483 std_wstring_summary_sp); 484 485 SyntheticChildren::Flags stl_synth_flags; 486 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 487 false); 488 SyntheticChildren::Flags stl_deref_flags = stl_synth_flags; 489 stl_deref_flags.SetFrontEndWantsDereference(); 490 491 AddCXXSynthetic( 492 cpp_category_sp, 493 lldb_private::formatters::LibcxxBitsetSyntheticFrontEndCreator, 494 "libc++ std::bitset synthetic children", 495 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"), stl_deref_flags, 496 true); 497 AddCXXSynthetic( 498 cpp_category_sp, 499 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, 500 "libc++ std::vector synthetic children", 501 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_deref_flags, 502 true); 503 AddCXXSynthetic( 504 cpp_category_sp, 505 lldb_private::formatters::LibcxxStdForwardListSyntheticFrontEndCreator, 506 "libc++ std::forward_list synthetic children", 507 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"), 508 stl_synth_flags, true); 509 AddCXXSynthetic( 510 cpp_category_sp, 511 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, 512 "libc++ std::list synthetic children", 513 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_synth_flags, true); 514 AddCXXSynthetic( 515 cpp_category_sp, 516 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 517 "libc++ std::map synthetic children", 518 ConstString("^std::__(ndk)?1::map<.+> >(( )?&)?$"), stl_synth_flags, 519 true); 520 AddCXXSynthetic( 521 cpp_category_sp, 522 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 523 "libc++ std::set synthetic children", 524 ConstString("^std::__(ndk)?1::set<.+> >(( )?&)?$"), stl_deref_flags, 525 true); 526 AddCXXSynthetic( 527 cpp_category_sp, 528 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 529 "libc++ std::multiset synthetic children", 530 ConstString("^std::__(ndk)?1::multiset<.+> >(( )?&)?$"), stl_deref_flags, 531 true); 532 AddCXXSynthetic( 533 cpp_category_sp, 534 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 535 "libc++ std::multimap synthetic children", 536 ConstString("^std::__(ndk)?1::multimap<.+> >(( )?&)?$"), stl_synth_flags, 537 true); 538 AddCXXSynthetic( 539 cpp_category_sp, 540 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, 541 "libc++ std::unordered containers synthetic children", 542 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 543 stl_synth_flags, true); 544 AddCXXSynthetic( 545 cpp_category_sp, 546 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, 547 "libc++ std::initializer_list synthetic children", 548 ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, 549 true); 550 AddCXXSynthetic(cpp_category_sp, LibcxxQueueFrontEndCreator, 551 "libc++ std::queue synthetic children", 552 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"), 553 stl_synth_flags, true); 554 AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator, 555 "libc++ std::tuple synthetic children", 556 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_synth_flags, 557 true); 558 AddCXXSynthetic(cpp_category_sp, LibcxxOptionalFrontEndCreator, 559 "libc++ std::optional synthetic children", 560 ConstString("^std::__(ndk)?1::optional<.+>(( )?&)?$"), 561 stl_synth_flags, true); 562 AddCXXSynthetic(cpp_category_sp, LibcxxVariantFrontEndCreator, 563 "libc++ std::variant synthetic children", 564 ConstString("^std::__(ndk)?1::variant<.+>(( )?&)?$"), 565 stl_synth_flags, true); 566 AddCXXSynthetic( 567 cpp_category_sp, 568 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, 569 "libc++ std::atomic synthetic children", 570 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_synth_flags, true); 571 572 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 573 RegularExpressionSP(new RegularExpression( 574 llvm::StringRef("^(std::__(ndk)?1::)deque<.+>(( )?&)?$"))), 575 SyntheticChildrenSP(new ScriptedSyntheticChildren( 576 stl_synth_flags, 577 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 578 579 AddCXXSynthetic( 580 cpp_category_sp, 581 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 582 "shared_ptr synthetic children", 583 ConstString("^(std::__(ndk)?1::)shared_ptr<.+>(( )?&)?$"), 584 stl_synth_flags, true); 585 AddCXXSynthetic( 586 cpp_category_sp, 587 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 588 "weak_ptr synthetic children", 589 ConstString("^(std::__(ndk)?1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, 590 true); 591 592 AddCXXSummary( 593 cpp_category_sp, lldb_private::formatters::LibcxxFunctionSummaryProvider, 594 "libc++ std::function summary provider", 595 ConstString("^std::__(ndk)?1::function<.+>$"), stl_summary_flags, true); 596 597 stl_summary_flags.SetDontShowChildren(false); 598 stl_summary_flags.SetSkipPointers(false); 599 AddCXXSummary(cpp_category_sp, 600 lldb_private::formatters::LibcxxContainerSummaryProvider, 601 "libc++ std::bitset summary provider", 602 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"), 603 stl_summary_flags, true); 604 AddCXXSummary(cpp_category_sp, 605 lldb_private::formatters::LibcxxContainerSummaryProvider, 606 "libc++ std::vector summary provider", 607 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), 608 stl_summary_flags, true); 609 AddCXXSummary(cpp_category_sp, 610 lldb_private::formatters::LibcxxContainerSummaryProvider, 611 "libc++ std::list summary provider", 612 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"), 613 stl_summary_flags, true); 614 AddCXXSummary(cpp_category_sp, 615 lldb_private::formatters::LibcxxContainerSummaryProvider, 616 "libc++ std::list summary provider", 617 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), 618 stl_summary_flags, true); 619 AddCXXSummary(cpp_category_sp, 620 lldb_private::formatters::LibcxxContainerSummaryProvider, 621 "libc++ std::map summary provider", 622 ConstString("^std::__(ndk)?1::map<.+>(( )?&)?$"), 623 stl_summary_flags, true); 624 AddCXXSummary(cpp_category_sp, 625 lldb_private::formatters::LibcxxContainerSummaryProvider, 626 "libc++ std::deque summary provider", 627 ConstString("^std::__(ndk)?1::deque<.+>(( )?&)?$"), 628 stl_summary_flags, true); 629 AddCXXSummary(cpp_category_sp, 630 lldb_private::formatters::LibcxxContainerSummaryProvider, 631 "libc++ std::queue summary provider", 632 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"), 633 stl_summary_flags, true); 634 AddCXXSummary(cpp_category_sp, 635 lldb_private::formatters::LibcxxContainerSummaryProvider, 636 "libc++ std::set summary provider", 637 ConstString("^std::__(ndk)?1::set<.+>(( )?&)?$"), 638 stl_summary_flags, true); 639 AddCXXSummary(cpp_category_sp, 640 lldb_private::formatters::LibcxxContainerSummaryProvider, 641 "libc++ std::multiset summary provider", 642 ConstString("^std::__(ndk)?1::multiset<.+>(( )?&)?$"), 643 stl_summary_flags, true); 644 AddCXXSummary(cpp_category_sp, 645 lldb_private::formatters::LibcxxContainerSummaryProvider, 646 "libc++ std::multimap summary provider", 647 ConstString("^std::__(ndk)?1::multimap<.+>(( )?&)?$"), 648 stl_summary_flags, true); 649 AddCXXSummary( 650 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 651 "libc++ std::unordered containers summary provider", 652 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 653 stl_summary_flags, true); 654 AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider, 655 "libc++ std::tuple summary provider", 656 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_summary_flags, 657 true); 658 AddCXXSummary( 659 cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, 660 "libc++ std::atomic summary provider", 661 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_summary_flags, true); 662 AddCXXSummary(cpp_category_sp, 663 lldb_private::formatters::LibcxxOptionalSummaryProvider, 664 "libc++ std::optional summary provider", 665 ConstString("^std::__(ndk)?1::optional<.+>(( )?&)?$"), 666 stl_summary_flags, true); 667 AddCXXSummary(cpp_category_sp, 668 lldb_private::formatters::LibcxxVariantSummaryProvider, 669 "libc++ std::variant summary provider", 670 ConstString("^std::__(ndk)?1::variant<.+>(( )?&)?$"), 671 stl_summary_flags, true); 672 673 stl_summary_flags.SetSkipPointers(true); 674 675 AddCXXSummary(cpp_category_sp, 676 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 677 "libc++ std::shared_ptr summary provider", 678 ConstString("^std::__(ndk)?1::shared_ptr<.+>(( )?&)?$"), 679 stl_summary_flags, true); 680 AddCXXSummary(cpp_category_sp, 681 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 682 "libc++ std::weak_ptr summary provider", 683 ConstString("^std::__(ndk)?1::weak_ptr<.+>(( )?&)?$"), 684 stl_summary_flags, true); 685 686 AddCXXSynthetic( 687 cpp_category_sp, 688 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, 689 "std::vector iterator synthetic children", 690 ConstString("^std::__(ndk)?1::__wrap_iter<.+>$"), stl_synth_flags, true); 691 692 AddCXXSynthetic( 693 cpp_category_sp, 694 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, 695 "std::map iterator synthetic children", 696 ConstString("^std::__(ndk)?1::__map_iterator<.+>$"), stl_synth_flags, 697 true); 698 #endif 699 } 700 701 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 702 if (!cpp_category_sp) 703 return; 704 705 TypeSummaryImpl::Flags stl_summary_flags; 706 stl_summary_flags.SetCascades(true) 707 .SetSkipPointers(false) 708 .SetSkipReferences(false) 709 .SetDontShowChildren(true) 710 .SetDontShowValue(true) 711 .SetShowMembersOneLiner(false) 712 .SetHideItemNames(false); 713 714 lldb::TypeSummaryImplSP std_string_summary_sp( 715 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}")); 716 717 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat( 718 stl_summary_flags, LibStdcppStringSummaryProvider, 719 "libstdc++ c++11 std::string summary provider")); 720 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat( 721 stl_summary_flags, LibStdcppWStringSummaryProvider, 722 "libstdc++ c++11 std::wstring summary provider")); 723 724 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 725 std_string_summary_sp); 726 cpp_category_sp->GetTypeSummariesContainer()->Add( 727 ConstString("std::basic_string<char>"), std_string_summary_sp); 728 cpp_category_sp->GetTypeSummariesContainer()->Add( 729 ConstString("std::basic_string<char,std::char_traits<char>,std::" 730 "allocator<char> >"), 731 std_string_summary_sp); 732 cpp_category_sp->GetTypeSummariesContainer()->Add( 733 ConstString("std::basic_string<char, std::char_traits<char>, " 734 "std::allocator<char> >"), 735 std_string_summary_sp); 736 737 cpp_category_sp->GetTypeSummariesContainer()->Add( 738 ConstString("std::__cxx11::string"), cxx11_string_summary_sp); 739 cpp_category_sp->GetTypeSummariesContainer()->Add( 740 ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, " 741 "std::allocator<char> >"), 742 cxx11_string_summary_sp); 743 744 // making sure we force-pick the summary for printing wstring (_M_p is a 745 // wchar_t*) 746 lldb::TypeSummaryImplSP std_wstring_summary_sp( 747 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}")); 748 749 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 750 std_wstring_summary_sp); 751 cpp_category_sp->GetTypeSummariesContainer()->Add( 752 ConstString("std::basic_string<wchar_t>"), std_wstring_summary_sp); 753 cpp_category_sp->GetTypeSummariesContainer()->Add( 754 ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::" 755 "allocator<wchar_t> >"), 756 std_wstring_summary_sp); 757 cpp_category_sp->GetTypeSummariesContainer()->Add( 758 ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, " 759 "std::allocator<wchar_t> >"), 760 std_wstring_summary_sp); 761 762 cpp_category_sp->GetTypeSummariesContainer()->Add( 763 ConstString("std::__cxx11::wstring"), cxx11_wstring_summary_sp); 764 cpp_category_sp->GetTypeSummariesContainer()->Add( 765 ConstString("std::__cxx11::basic_string<wchar_t, " 766 "std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 767 cxx11_wstring_summary_sp); 768 769 #ifndef LLDB_DISABLE_PYTHON 770 771 SyntheticChildren::Flags stl_synth_flags; 772 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 773 false); 774 775 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 776 RegularExpressionSP( 777 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 778 SyntheticChildrenSP(new ScriptedSyntheticChildren( 779 stl_synth_flags, 780 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 781 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 782 RegularExpressionSP( 783 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 784 SyntheticChildrenSP(new ScriptedSyntheticChildren( 785 stl_synth_flags, 786 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 787 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 788 RegularExpressionSP(new RegularExpression( 789 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 790 SyntheticChildrenSP(new ScriptedSyntheticChildren( 791 stl_synth_flags, 792 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 793 stl_summary_flags.SetDontShowChildren(false); 794 stl_summary_flags.SetSkipPointers(true); 795 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 796 RegularExpressionSP( 797 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 798 TypeSummaryImplSP( 799 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 800 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 801 RegularExpressionSP( 802 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 803 TypeSummaryImplSP( 804 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 805 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 806 RegularExpressionSP(new RegularExpression( 807 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 808 TypeSummaryImplSP( 809 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 810 811 AddCXXSynthetic( 812 cpp_category_sp, 813 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, 814 "std::vector iterator synthetic children", 815 ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 816 817 AddCXXSynthetic( 818 cpp_category_sp, 819 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, 820 "std::map iterator synthetic children", 821 ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 822 823 AddCXXSynthetic( 824 cpp_category_sp, 825 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator, 826 "std::unique_ptr synthetic children", 827 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 828 AddCXXSynthetic( 829 cpp_category_sp, 830 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 831 "std::shared_ptr synthetic children", 832 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 833 AddCXXSynthetic( 834 cpp_category_sp, 835 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 836 "std::weak_ptr synthetic children", 837 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 838 AddCXXSynthetic( 839 cpp_category_sp, 840 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, 841 "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"), 842 stl_synth_flags, true); 843 844 AddCXXSummary(cpp_category_sp, 845 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider, 846 "libstdc++ std::unique_ptr summary provider", 847 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_summary_flags, 848 true); 849 AddCXXSummary(cpp_category_sp, 850 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 851 "libstdc++ std::shared_ptr summary provider", 852 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, 853 true); 854 AddCXXSummary(cpp_category_sp, 855 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 856 "libstdc++ std::weak_ptr summary provider", 857 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, 858 true); 859 #endif 860 } 861 862 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 863 if (!cpp_category_sp) 864 return; 865 866 TypeSummaryImpl::Flags string_flags; 867 string_flags.SetCascades(true) 868 .SetSkipPointers(true) 869 .SetSkipReferences(false) 870 .SetDontShowChildren(true) 871 .SetDontShowValue(false) 872 .SetShowMembersOneLiner(false) 873 .SetHideItemNames(false); 874 875 TypeSummaryImpl::Flags string_array_flags; 876 string_array_flags.SetCascades(true) 877 .SetSkipPointers(true) 878 .SetSkipReferences(false) 879 .SetDontShowChildren(true) 880 .SetDontShowValue(true) 881 .SetShowMembersOneLiner(false) 882 .SetHideItemNames(false); 883 884 #ifndef LLDB_DISABLE_PYTHON 885 // FIXME because of a bug in the FormattersContainer we need to add a summary 886 // for both X* and const X* (<rdar://problem/12717717>) 887 AddCXXSummary( 888 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 889 "char16_t * summary provider", ConstString("char16_t *"), string_flags); 890 AddCXXSummary(cpp_category_sp, 891 lldb_private::formatters::Char16StringSummaryProvider, 892 "char16_t [] summary provider", 893 ConstString("char16_t \\[[0-9]+\\]"), string_array_flags, true); 894 895 AddCXXSummary( 896 cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, 897 "char32_t * summary provider", ConstString("char32_t *"), string_flags); 898 AddCXXSummary(cpp_category_sp, 899 lldb_private::formatters::Char32StringSummaryProvider, 900 "char32_t [] summary provider", 901 ConstString("char32_t \\[[0-9]+\\]"), string_array_flags, true); 902 903 AddCXXSummary( 904 cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, 905 "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 906 AddCXXSummary(cpp_category_sp, 907 lldb_private::formatters::WCharStringSummaryProvider, 908 "wchar_t * summary provider", 909 ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 910 911 AddCXXSummary( 912 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 913 "unichar * summary provider", ConstString("unichar *"), string_flags); 914 915 TypeSummaryImpl::Flags widechar_flags; 916 widechar_flags.SetDontShowValue(true) 917 .SetSkipPointers(true) 918 .SetSkipReferences(false) 919 .SetCascades(true) 920 .SetDontShowChildren(true) 921 .SetHideItemNames(true) 922 .SetShowMembersOneLiner(false); 923 924 AddCXXSummary( 925 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 926 "char16_t summary provider", ConstString("char16_t"), widechar_flags); 927 AddCXXSummary( 928 cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, 929 "char32_t summary provider", ConstString("char32_t"), widechar_flags); 930 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, 931 "wchar_t summary provider", ConstString("wchar_t"), 932 widechar_flags); 933 934 AddCXXSummary( 935 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 936 "unichar summary provider", ConstString("unichar"), widechar_flags); 937 #endif 938 } 939 940 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() { 941 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger { 942 public: 943 virtual CompilerType AdjustForInclusion(CompilerType &candidate) override { 944 LanguageType lang_type(candidate.GetMinimumLanguage()); 945 if (!Language::LanguageIsC(lang_type) && 946 !Language::LanguageIsCPlusPlus(lang_type)) 947 return CompilerType(); 948 if (candidate.IsTypedefType()) 949 return candidate.GetTypedefedType(); 950 return candidate; 951 } 952 }; 953 954 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger()); 955 } 956 957 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() { 958 static llvm::once_flag g_initialize; 959 static TypeCategoryImplSP g_category; 960 961 llvm::call_once(g_initialize, [this]() -> void { 962 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 963 if (g_category) { 964 LoadLibCxxFormatters(g_category); 965 LoadLibStdcppFormatters(g_category); 966 LoadSystemFormatters(g_category); 967 } 968 }); 969 return g_category; 970 } 971 972 HardcodedFormatters::HardcodedSummaryFinder 973 CPlusPlusLanguage::GetHardcodedSummaries() { 974 static llvm::once_flag g_initialize; 975 static ConstString g_vectortypes("VectorTypes"); 976 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 977 978 llvm::call_once(g_initialize, []() -> void { 979 g_formatters.push_back( 980 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 981 FormatManager &) -> TypeSummaryImpl::SharedPointer { 982 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 983 new CXXFunctionSummaryFormat( 984 TypeSummaryImpl::Flags(), 985 lldb_private::formatters::CXXFunctionPointerSummaryProvider, 986 "Function pointer summary provider")); 987 if (valobj.GetCompilerType().IsFunctionPointerType()) { 988 return formatter_sp; 989 } 990 return nullptr; 991 }); 992 g_formatters.push_back( 993 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 994 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 995 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 996 new CXXFunctionSummaryFormat( 997 TypeSummaryImpl::Flags() 998 .SetCascades(true) 999 .SetDontShowChildren(true) 1000 .SetHideItemNames(true) 1001 .SetShowMembersOneLiner(true) 1002 .SetSkipPointers(true) 1003 .SetSkipReferences(false), 1004 lldb_private::formatters::VectorTypeSummaryProvider, 1005 "vector_type pointer summary provider")); 1006 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1007 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1008 return formatter_sp; 1009 } 1010 return nullptr; 1011 }); 1012 g_formatters.push_back( 1013 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1014 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1015 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1016 new CXXFunctionSummaryFormat( 1017 TypeSummaryImpl::Flags() 1018 .SetCascades(true) 1019 .SetDontShowChildren(true) 1020 .SetHideItemNames(true) 1021 .SetShowMembersOneLiner(true) 1022 .SetSkipPointers(true) 1023 .SetSkipReferences(false), 1024 lldb_private::formatters::BlockPointerSummaryProvider, 1025 "block pointer summary provider")); 1026 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1027 return formatter_sp; 1028 } 1029 return nullptr; 1030 }); 1031 }); 1032 1033 return g_formatters; 1034 } 1035 1036 HardcodedFormatters::HardcodedSyntheticFinder 1037 CPlusPlusLanguage::GetHardcodedSynthetics() { 1038 static llvm::once_flag g_initialize; 1039 static ConstString g_vectortypes("VectorTypes"); 1040 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 1041 1042 llvm::call_once(g_initialize, []() -> void { 1043 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1044 lldb::DynamicValueType, 1045 FormatManager & 1046 fmt_mgr) -> SyntheticChildren::SharedPointer { 1047 static CXXSyntheticChildren::SharedPointer formatter_sp( 1048 new CXXSyntheticChildren( 1049 SyntheticChildren::Flags() 1050 .SetCascades(true) 1051 .SetSkipPointers(true) 1052 .SetSkipReferences(true) 1053 .SetNonCacheable(true), 1054 "vector_type synthetic children", 1055 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 1056 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1057 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1058 return formatter_sp; 1059 } 1060 return nullptr; 1061 }); 1062 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1063 lldb::DynamicValueType, 1064 FormatManager & 1065 fmt_mgr) -> SyntheticChildren::SharedPointer { 1066 static CXXSyntheticChildren::SharedPointer formatter_sp( 1067 new CXXSyntheticChildren( 1068 SyntheticChildren::Flags() 1069 .SetCascades(true) 1070 .SetSkipPointers(true) 1071 .SetSkipReferences(true) 1072 .SetNonCacheable(true), 1073 "block pointer synthetic children", 1074 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 1075 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1076 return formatter_sp; 1077 } 1078 return nullptr; 1079 }); 1080 1081 }); 1082 1083 return g_formatters; 1084 } 1085 1086 bool CPlusPlusLanguage::IsSourceFile(llvm::StringRef file_path) const { 1087 const auto suffixes = {".cpp", ".cxx", ".c++", ".cc", ".c", 1088 ".h", ".hh", ".hpp", ".hxx", ".h++"}; 1089 for (auto suffix : suffixes) { 1090 if (file_path.endswith_lower(suffix)) 1091 return true; 1092 } 1093 1094 // Check if we're in a STL path (where the files usually have no extension 1095 // that we could check for. 1096 return file_path.contains("/usr/include/c++/"); 1097 } 1098