1 //===-- CPlusPlusLanguage.cpp ---------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "CPlusPlusLanguage.h" 10 11 #include <cctype> 12 #include <cstring> 13 14 #include <functional> 15 #include <memory> 16 #include <mutex> 17 #include <set> 18 19 #include "llvm/ADT/StringRef.h" 20 #include "llvm/Demangle/ItaniumDemangle.h" 21 22 #include "lldb/Core/Mangled.h" 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 LLDB_PLUGIN_DEFINE(CPlusPlusLanguage) 47 48 void CPlusPlusLanguage::Initialize() { 49 PluginManager::RegisterPlugin(GetPluginNameStatic(), "C++ Language", 50 CreateInstance); 51 } 52 53 void CPlusPlusLanguage::Terminate() { 54 PluginManager::UnregisterPlugin(CreateInstance); 55 } 56 57 lldb_private::ConstString CPlusPlusLanguage::GetPluginNameStatic() { 58 static ConstString g_name("cplusplus"); 59 return g_name; 60 } 61 62 // PluginInterface protocol 63 64 lldb_private::ConstString CPlusPlusLanguage::GetPluginName() { 65 return GetPluginNameStatic(); 66 } 67 68 uint32_t CPlusPlusLanguage::GetPluginVersion() { return 1; } 69 70 // Static Functions 71 72 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) { 73 // Use plugin for C++ but not for Objective-C++ (which has its own plugin). 74 if (Language::LanguageIsCPlusPlus(language) && 75 language != eLanguageTypeObjC_plus_plus) 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 character (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 std::string(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(llvm::StringRef 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 Mangled::ManglingScheme scheme = Mangled::GetManglingScheme(name); 251 252 if (scheme == Mangled::eManglingSchemeNone) 253 return false; 254 255 return true; 256 } 257 258 bool CPlusPlusLanguage::ExtractContextAndIdentifier( 259 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) { 260 if (MSVCUndecoratedNameParser::IsMSVCUndecoratedName(name)) 261 return MSVCUndecoratedNameParser::ExtractContextAndIdentifier(name, context, 262 identifier); 263 264 CPlusPlusNameParser parser(name); 265 if (auto full_name = parser.ParseAsFullName()) { 266 identifier = full_name.getValue().basename; 267 context = full_name.getValue().context; 268 return true; 269 } 270 return false; 271 } 272 273 namespace { 274 class NodeAllocator { 275 llvm::BumpPtrAllocator Alloc; 276 277 public: 278 void reset() { Alloc.Reset(); } 279 280 template <typename T, typename... Args> T *makeNode(Args &&... args) { 281 return new (Alloc.Allocate(sizeof(T), alignof(T))) 282 T(std::forward<Args>(args)...); 283 } 284 285 void *allocateNodeArray(size_t sz) { 286 return Alloc.Allocate(sizeof(llvm::itanium_demangle::Node *) * sz, 287 alignof(llvm::itanium_demangle::Node *)); 288 } 289 }; 290 291 template <typename Derived> 292 class ManglingSubstitutor 293 : public llvm::itanium_demangle::AbstractManglingParser<Derived, 294 NodeAllocator> { 295 using Base = 296 llvm::itanium_demangle::AbstractManglingParser<Derived, NodeAllocator>; 297 298 public: 299 ManglingSubstitutor() : Base(nullptr, nullptr) {} 300 301 template<typename... Ts> 302 ConstString substitute(llvm::StringRef Mangled, Ts &&... Vals) { 303 this->getDerived().reset(Mangled, std::forward<Ts>(Vals)...); 304 return substituteImpl(Mangled); 305 } 306 307 308 protected: 309 void reset(llvm::StringRef Mangled) { 310 Base::reset(Mangled.begin(), Mangled.end()); 311 Written = Mangled.begin(); 312 Result.clear(); 313 Substituted = false; 314 } 315 316 ConstString substituteImpl(llvm::StringRef Mangled) { 317 Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE); 318 if (this->parse() == nullptr) { 319 LLDB_LOG(log, "Failed to substitute mangling in {0}", Mangled); 320 return ConstString(); 321 } 322 if (!Substituted) 323 return ConstString(); 324 325 // Append any trailing unmodified input. 326 appendUnchangedInput(); 327 LLDB_LOG(log, "Substituted mangling {0} -> {1}", Mangled, Result); 328 return ConstString(Result); 329 } 330 331 void trySubstitute(llvm::StringRef From, llvm::StringRef To) { 332 if (!llvm::StringRef(currentParserPos(), this->numLeft()).startswith(From)) 333 return; 334 335 // We found a match. Append unmodified input up to this point. 336 appendUnchangedInput(); 337 338 // And then perform the replacement. 339 Result += To; 340 Written += From.size(); 341 Substituted = true; 342 } 343 344 private: 345 /// Input character until which we have constructed the respective output 346 /// already. 347 const char *Written; 348 349 llvm::SmallString<128> Result; 350 351 /// Whether we have performed any substitutions. 352 bool Substituted; 353 354 const char *currentParserPos() const { return this->First; } 355 356 void appendUnchangedInput() { 357 Result += 358 llvm::StringRef(Written, std::distance(Written, currentParserPos())); 359 Written = currentParserPos(); 360 } 361 362 }; 363 364 /// Given a mangled function `Mangled`, replace all the primitive function type 365 /// arguments of `Search` with type `Replace`. 366 class TypeSubstitutor : public ManglingSubstitutor<TypeSubstitutor> { 367 llvm::StringRef Search; 368 llvm::StringRef Replace; 369 370 public: 371 void reset(llvm::StringRef Mangled, llvm::StringRef Search, 372 llvm::StringRef Replace) { 373 ManglingSubstitutor::reset(Mangled); 374 this->Search = Search; 375 this->Replace = Replace; 376 } 377 378 llvm::itanium_demangle::Node *parseType() { 379 trySubstitute(Search, Replace); 380 return ManglingSubstitutor::parseType(); 381 } 382 }; 383 384 class CtorDtorSubstitutor : public ManglingSubstitutor<CtorDtorSubstitutor> { 385 public: 386 llvm::itanium_demangle::Node * 387 parseCtorDtorName(llvm::itanium_demangle::Node *&SoFar, NameState *State) { 388 trySubstitute("C1", "C2"); 389 trySubstitute("D1", "D2"); 390 return ManglingSubstitutor::parseCtorDtorName(SoFar, State); 391 } 392 }; 393 } // namespace 394 395 uint32_t CPlusPlusLanguage::FindAlternateFunctionManglings( 396 const ConstString mangled_name, std::set<ConstString> &alternates) { 397 const auto start_size = alternates.size(); 398 /// Get a basic set of alternative manglings for the given symbol `name`, by 399 /// making a few basic possible substitutions on basic types, storage duration 400 /// and `const`ness for the given symbol. The output parameter `alternates` 401 /// is filled with a best-guess, non-exhaustive set of different manglings 402 /// for the given name. 403 404 // Maybe we're looking for a const symbol but the debug info told us it was 405 // non-const... 406 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) && 407 strncmp(mangled_name.GetCString(), "_ZNK", 4)) { 408 std::string fixed_scratch("_ZNK"); 409 fixed_scratch.append(mangled_name.GetCString() + 3); 410 alternates.insert(ConstString(fixed_scratch)); 411 } 412 413 // Maybe we're looking for a static symbol but we thought it was global... 414 if (!strncmp(mangled_name.GetCString(), "_Z", 2) && 415 strncmp(mangled_name.GetCString(), "_ZL", 3)) { 416 std::string fixed_scratch("_ZL"); 417 fixed_scratch.append(mangled_name.GetCString() + 2); 418 alternates.insert(ConstString(fixed_scratch)); 419 } 420 421 TypeSubstitutor TS; 422 // `char` is implementation defined as either `signed` or `unsigned`. As a 423 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed 424 // char, 'h'-unsigned char. If we're looking for symbols with a signed char 425 // parameter, try finding matches which have the general case 'c'. 426 if (ConstString char_fixup = 427 TS.substitute(mangled_name.GetStringRef(), "a", "c")) 428 alternates.insert(char_fixup); 429 430 // long long parameter mangling 'x', may actually just be a long 'l' argument 431 if (ConstString long_fixup = 432 TS.substitute(mangled_name.GetStringRef(), "x", "l")) 433 alternates.insert(long_fixup); 434 435 // unsigned long long parameter mangling 'y', may actually just be unsigned 436 // long 'm' argument 437 if (ConstString ulong_fixup = 438 TS.substitute(mangled_name.GetStringRef(), "y", "m")) 439 alternates.insert(ulong_fixup); 440 441 if (ConstString ctor_fixup = 442 CtorDtorSubstitutor().substitute(mangled_name.GetStringRef())) 443 alternates.insert(ctor_fixup); 444 445 return alternates.size() - start_size; 446 } 447 448 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 449 if (!cpp_category_sp) 450 return; 451 452 TypeSummaryImpl::Flags stl_summary_flags; 453 stl_summary_flags.SetCascades(true) 454 .SetSkipPointers(false) 455 .SetSkipReferences(false) 456 .SetDontShowChildren(true) 457 .SetDontShowValue(true) 458 .SetShowMembersOneLiner(false) 459 .SetHideItemNames(false); 460 461 AddCXXSummary(cpp_category_sp, 462 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 463 "std::string summary provider", 464 ConstString("^std::__[[:alnum:]]+::string$"), stl_summary_flags, 465 true); 466 AddCXXSummary(cpp_category_sp, 467 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 468 "std::string summary provider", 469 ConstString("^std::__[[:alnum:]]+::basic_string<char, " 470 "std::__[[:alnum:]]+::char_traits<char>, " 471 "std::__[[:alnum:]]+::allocator<char> >$"), 472 stl_summary_flags, true); 473 AddCXXSummary(cpp_category_sp, 474 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 475 "std::string summary provider", 476 ConstString("^std::__[[:alnum:]]+::basic_string<unsigned char, " 477 "std::__[[:alnum:]]+::char_traits<unsigned char>, " 478 "std::__[[:alnum:]]+::allocator<unsigned char> >$"), 479 stl_summary_flags, true); 480 481 AddCXXSummary(cpp_category_sp, 482 lldb_private::formatters::LibcxxStringSummaryProviderUTF16, 483 "std::u16string summary provider", 484 ConstString( 485 "^std::__[[:alnum:]]+::basic_string<char16_t, " 486 "std::__[[:alnum:]]+::char_traits<char16_t>, " 487 "std::__[[:alnum:]]+::allocator<char16_t> >$"), 488 stl_summary_flags, true); 489 490 AddCXXSummary(cpp_category_sp, 491 lldb_private::formatters::LibcxxStringSummaryProviderUTF32, 492 "std::u32string summary provider", 493 ConstString( 494 "^std::__[[:alnum:]]+::basic_string<char32_t, " 495 "std::__[[:alnum:]]+::char_traits<char32_t>, " 496 "std::__[[:alnum:]]+::allocator<char32_t> >$"), 497 stl_summary_flags, true); 498 499 AddCXXSummary(cpp_category_sp, 500 lldb_private::formatters::LibcxxWStringSummaryProvider, 501 "std::wstring summary provider", 502 ConstString("^std::__[[:alnum:]]+::wstring$"), 503 stl_summary_flags, true); 504 AddCXXSummary(cpp_category_sp, 505 lldb_private::formatters::LibcxxWStringSummaryProvider, 506 "std::wstring summary provider", 507 ConstString("^std::__[[:alnum:]]+::basic_string<wchar_t, " 508 "std::__[[:alnum:]]+::char_traits<wchar_t>, " 509 "std::__[[:alnum:]]+::allocator<wchar_t> >$"), 510 stl_summary_flags, true); 511 512 SyntheticChildren::Flags stl_synth_flags; 513 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 514 false); 515 SyntheticChildren::Flags stl_deref_flags = stl_synth_flags; 516 stl_deref_flags.SetFrontEndWantsDereference(); 517 518 AddCXXSynthetic( 519 cpp_category_sp, 520 lldb_private::formatters::LibcxxBitsetSyntheticFrontEndCreator, 521 "libc++ std::bitset synthetic children", 522 ConstString("^std::__[[:alnum:]]+::bitset<.+>(( )?&)?$"), stl_deref_flags, 523 true); 524 AddCXXSynthetic( 525 cpp_category_sp, 526 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, 527 "libc++ std::vector synthetic children", 528 ConstString("^std::__[[:alnum:]]+::vector<.+>(( )?&)?$"), stl_deref_flags, 529 true); 530 AddCXXSynthetic( 531 cpp_category_sp, 532 lldb_private::formatters::LibcxxStdForwardListSyntheticFrontEndCreator, 533 "libc++ std::forward_list synthetic children", 534 ConstString("^std::__[[:alnum:]]+::forward_list<.+>(( )?&)?$"), 535 stl_synth_flags, true); 536 AddCXXSynthetic( 537 cpp_category_sp, 538 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, 539 "libc++ std::list synthetic children", 540 // A POSIX variant of: "^std::__(?!cxx11:)[[:alnum:]]+::list<.+>(( )?&)?$" 541 // so that it does not clash with: "^std::(__cxx11::)?list<.+>(( )?&)?$" 542 ConstString("^std::__([A-Zabd-z0-9]|cx?[A-Za-wyz0-9]|cxx1?[A-Za-z02-9]|" 543 "cxx11[[:alnum:]])[[:alnum:]]*::list<.+>(( )?&)?$"), 544 stl_deref_flags, true); 545 AddCXXSynthetic( 546 cpp_category_sp, 547 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 548 "libc++ std::map synthetic children", 549 ConstString("^std::__[[:alnum:]]+::map<.+> >(( )?&)?$"), stl_synth_flags, 550 true); 551 AddCXXSynthetic( 552 cpp_category_sp, 553 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 554 "libc++ std::set synthetic children", 555 ConstString("^std::__[[:alnum:]]+::set<.+> >(( )?&)?$"), stl_deref_flags, 556 true); 557 AddCXXSynthetic( 558 cpp_category_sp, 559 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 560 "libc++ std::multiset synthetic children", 561 ConstString("^std::__[[:alnum:]]+::multiset<.+> >(( )?&)?$"), 562 stl_deref_flags, true); 563 AddCXXSynthetic( 564 cpp_category_sp, 565 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 566 "libc++ std::multimap synthetic children", 567 ConstString("^std::__[[:alnum:]]+::multimap<.+> >(( )?&)?$"), 568 stl_synth_flags, true); 569 AddCXXSynthetic( 570 cpp_category_sp, 571 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, 572 "libc++ std::unordered containers synthetic children", 573 ConstString("^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$"), 574 stl_synth_flags, true); 575 AddCXXSynthetic( 576 cpp_category_sp, 577 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, 578 "libc++ std::initializer_list synthetic children", 579 ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, 580 true); 581 AddCXXSynthetic(cpp_category_sp, LibcxxQueueFrontEndCreator, 582 "libc++ std::queue synthetic children", 583 ConstString("^std::__[[:alnum:]]+::queue<.+>(( )?&)?$"), 584 stl_synth_flags, true); 585 AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator, 586 "libc++ std::tuple synthetic children", 587 ConstString("^std::__[[:alnum:]]+::tuple<.*>(( )?&)?$"), 588 stl_synth_flags, true); 589 AddCXXSynthetic(cpp_category_sp, LibcxxOptionalFrontEndCreator, 590 "libc++ std::optional synthetic children", 591 ConstString("^std::__[[:alnum:]]+::optional<.+>(( )?&)?$"), 592 stl_synth_flags, true); 593 AddCXXSynthetic(cpp_category_sp, LibcxxVariantFrontEndCreator, 594 "libc++ std::variant synthetic children", 595 ConstString("^std::__[[:alnum:]]+::variant<.+>(( )?&)?$"), 596 stl_synth_flags, true); 597 AddCXXSynthetic( 598 cpp_category_sp, 599 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, 600 "libc++ std::atomic synthetic children", 601 ConstString("^std::__[[:alnum:]]+::atomic<.+>$"), stl_synth_flags, true); 602 603 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 604 RegularExpression( 605 llvm::StringRef("^(std::__[[:alnum:]]+::)deque<.+>(( )?&)?$")), 606 SyntheticChildrenSP(new ScriptedSyntheticChildren( 607 stl_synth_flags, 608 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 609 610 AddCXXSynthetic( 611 cpp_category_sp, 612 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 613 "shared_ptr synthetic children", 614 ConstString("^(std::__[[:alnum:]]+::)shared_ptr<.+>(( )?&)?$"), 615 stl_synth_flags, true); 616 617 ConstString libcxx_std_unique_ptr_regex( 618 "^std::__[[:alnum:]]+::unique_ptr<.+>(( )?&)?$"); 619 AddCXXSynthetic( 620 cpp_category_sp, 621 lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEndCreator, 622 "unique_ptr synthetic children", libcxx_std_unique_ptr_regex, 623 stl_synth_flags, true); 624 625 AddCXXSynthetic( 626 cpp_category_sp, 627 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 628 "weak_ptr synthetic children", 629 ConstString("^(std::__[[:alnum:]]+::)weak_ptr<.+>(( )?&)?$"), 630 stl_synth_flags, true); 631 AddCXXSummary(cpp_category_sp, 632 lldb_private::formatters::LibcxxFunctionSummaryProvider, 633 "libc++ std::function summary provider", 634 ConstString("^std::__[[:alnum:]]+::function<.+>$"), 635 stl_summary_flags, true); 636 637 stl_summary_flags.SetDontShowChildren(false); 638 stl_summary_flags.SetSkipPointers(false); 639 AddCXXSummary(cpp_category_sp, 640 lldb_private::formatters::LibcxxContainerSummaryProvider, 641 "libc++ std::bitset summary provider", 642 ConstString("^std::__[[:alnum:]]+::bitset<.+>(( )?&)?$"), 643 stl_summary_flags, true); 644 AddCXXSummary(cpp_category_sp, 645 lldb_private::formatters::LibcxxContainerSummaryProvider, 646 "libc++ std::vector summary provider", 647 ConstString("^std::__[[:alnum:]]+::vector<.+>(( )?&)?$"), 648 stl_summary_flags, true); 649 AddCXXSummary(cpp_category_sp, 650 lldb_private::formatters::LibcxxContainerSummaryProvider, 651 "libc++ std::list summary provider", 652 ConstString("^std::__[[:alnum:]]+::forward_list<.+>(( )?&)?$"), 653 stl_summary_flags, true); 654 AddCXXSummary( 655 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 656 "libc++ std::list summary provider", 657 // A POSIX variant of: "^std::__(?!cxx11:)[[:alnum:]]+::list<.+>(( )?&)?$" 658 // so that it does not clash with: "^std::(__cxx11::)?list<.+>(( )?&)?$" 659 ConstString("^std::__([A-Zabd-z0-9]|cx?[A-Za-wyz0-9]|cxx1?[A-Za-z02-9]|" 660 "cxx11[[:alnum:]])[[:alnum:]]*::list<.+>(( )?&)?$"), 661 stl_summary_flags, true); 662 AddCXXSummary(cpp_category_sp, 663 lldb_private::formatters::LibcxxContainerSummaryProvider, 664 "libc++ std::map summary provider", 665 ConstString("^std::__[[:alnum:]]+::map<.+>(( )?&)?$"), 666 stl_summary_flags, true); 667 AddCXXSummary(cpp_category_sp, 668 lldb_private::formatters::LibcxxContainerSummaryProvider, 669 "libc++ std::deque summary provider", 670 ConstString("^std::__[[:alnum:]]+::deque<.+>(( )?&)?$"), 671 stl_summary_flags, true); 672 AddCXXSummary(cpp_category_sp, 673 lldb_private::formatters::LibcxxContainerSummaryProvider, 674 "libc++ std::queue summary provider", 675 ConstString("^std::__[[:alnum:]]+::queue<.+>(( )?&)?$"), 676 stl_summary_flags, true); 677 AddCXXSummary(cpp_category_sp, 678 lldb_private::formatters::LibcxxContainerSummaryProvider, 679 "libc++ std::set summary provider", 680 ConstString("^std::__[[:alnum:]]+::set<.+>(( )?&)?$"), 681 stl_summary_flags, true); 682 AddCXXSummary(cpp_category_sp, 683 lldb_private::formatters::LibcxxContainerSummaryProvider, 684 "libc++ std::multiset summary provider", 685 ConstString("^std::__[[:alnum:]]+::multiset<.+>(( )?&)?$"), 686 stl_summary_flags, true); 687 AddCXXSummary(cpp_category_sp, 688 lldb_private::formatters::LibcxxContainerSummaryProvider, 689 "libc++ std::multimap summary provider", 690 ConstString("^std::__[[:alnum:]]+::multimap<.+>(( )?&)?$"), 691 stl_summary_flags, true); 692 AddCXXSummary( 693 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 694 "libc++ std::unordered containers summary provider", 695 ConstString("^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$"), 696 stl_summary_flags, true); 697 AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider, 698 "libc++ std::tuple summary provider", 699 ConstString("^std::__[[:alnum:]]+::tuple<.*>(( )?&)?$"), 700 stl_summary_flags, true); 701 AddCXXSummary( 702 cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, 703 "libc++ std::atomic summary provider", 704 ConstString("^std::__[[:alnum:]]+::atomic<.+>$"), stl_summary_flags, 705 true); 706 AddCXXSummary(cpp_category_sp, 707 lldb_private::formatters::LibcxxOptionalSummaryProvider, 708 "libc++ std::optional summary provider", 709 ConstString("^std::__[[:alnum:]]+::optional<.+>(( )?&)?$"), 710 stl_summary_flags, true); 711 AddCXXSummary(cpp_category_sp, 712 lldb_private::formatters::LibcxxVariantSummaryProvider, 713 "libc++ std::variant summary provider", 714 ConstString("^std::__[[:alnum:]]+::variant<.+>(( )?&)?$"), 715 stl_summary_flags, true); 716 717 stl_summary_flags.SetSkipPointers(true); 718 719 AddCXXSummary(cpp_category_sp, 720 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 721 "libc++ std::shared_ptr summary provider", 722 ConstString("^std::__[[:alnum:]]+::shared_ptr<.+>(( )?&)?$"), 723 stl_summary_flags, true); 724 AddCXXSummary(cpp_category_sp, 725 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 726 "libc++ std::weak_ptr summary provider", 727 ConstString("^std::__[[:alnum:]]+::weak_ptr<.+>(( )?&)?$"), 728 stl_summary_flags, true); 729 AddCXXSummary(cpp_category_sp, 730 lldb_private::formatters::LibcxxUniquePointerSummaryProvider, 731 "libc++ std::unique_ptr summary provider", 732 libcxx_std_unique_ptr_regex, stl_summary_flags, true); 733 734 AddCXXSynthetic( 735 cpp_category_sp, 736 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, 737 "std::vector iterator synthetic children", 738 ConstString("^std::__[[:alnum:]]+::__wrap_iter<.+>$"), stl_synth_flags, 739 true); 740 741 AddCXXSynthetic( 742 cpp_category_sp, 743 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, 744 "std::map iterator synthetic children", 745 ConstString("^std::__[[:alnum:]]+::__map_iterator<.+>$"), stl_synth_flags, 746 true); 747 } 748 749 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 750 if (!cpp_category_sp) 751 return; 752 753 TypeSummaryImpl::Flags stl_summary_flags; 754 stl_summary_flags.SetCascades(true) 755 .SetSkipPointers(false) 756 .SetSkipReferences(false) 757 .SetDontShowChildren(true) 758 .SetDontShowValue(true) 759 .SetShowMembersOneLiner(false) 760 .SetHideItemNames(false); 761 762 lldb::TypeSummaryImplSP std_string_summary_sp( 763 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}")); 764 765 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat( 766 stl_summary_flags, LibStdcppStringSummaryProvider, 767 "libstdc++ c++11 std::string summary provider")); 768 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat( 769 stl_summary_flags, LibStdcppWStringSummaryProvider, 770 "libstdc++ c++11 std::wstring summary provider")); 771 772 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 773 std_string_summary_sp); 774 cpp_category_sp->GetTypeSummariesContainer()->Add( 775 ConstString("std::basic_string<char>"), std_string_summary_sp); 776 cpp_category_sp->GetTypeSummariesContainer()->Add( 777 ConstString("std::basic_string<char,std::char_traits<char>,std::" 778 "allocator<char> >"), 779 std_string_summary_sp); 780 cpp_category_sp->GetTypeSummariesContainer()->Add( 781 ConstString("std::basic_string<char, std::char_traits<char>, " 782 "std::allocator<char> >"), 783 std_string_summary_sp); 784 785 cpp_category_sp->GetTypeSummariesContainer()->Add( 786 ConstString("std::__cxx11::string"), cxx11_string_summary_sp); 787 cpp_category_sp->GetTypeSummariesContainer()->Add( 788 ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, " 789 "std::allocator<char> >"), 790 cxx11_string_summary_sp); 791 cpp_category_sp->GetTypeSummariesContainer()->Add( 792 ConstString("std::__cxx11::basic_string<unsigned char, std::char_traits<unsigned char>, " 793 "std::allocator<unsigned char> >"), 794 cxx11_string_summary_sp); 795 796 // making sure we force-pick the summary for printing wstring (_M_p is a 797 // wchar_t*) 798 lldb::TypeSummaryImplSP std_wstring_summary_sp( 799 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}")); 800 801 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 802 std_wstring_summary_sp); 803 cpp_category_sp->GetTypeSummariesContainer()->Add( 804 ConstString("std::basic_string<wchar_t>"), std_wstring_summary_sp); 805 cpp_category_sp->GetTypeSummariesContainer()->Add( 806 ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::" 807 "allocator<wchar_t> >"), 808 std_wstring_summary_sp); 809 cpp_category_sp->GetTypeSummariesContainer()->Add( 810 ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, " 811 "std::allocator<wchar_t> >"), 812 std_wstring_summary_sp); 813 814 cpp_category_sp->GetTypeSummariesContainer()->Add( 815 ConstString("std::__cxx11::wstring"), cxx11_wstring_summary_sp); 816 cpp_category_sp->GetTypeSummariesContainer()->Add( 817 ConstString("std::__cxx11::basic_string<wchar_t, " 818 "std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 819 cxx11_wstring_summary_sp); 820 821 SyntheticChildren::Flags stl_synth_flags; 822 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 823 false); 824 825 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 826 RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$")), 827 SyntheticChildrenSP(new ScriptedSyntheticChildren( 828 stl_synth_flags, 829 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 830 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 831 RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$")), 832 SyntheticChildrenSP(new ScriptedSyntheticChildren( 833 stl_synth_flags, 834 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 835 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 836 RegularExpression(llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$")), 837 SyntheticChildrenSP(new ScriptedSyntheticChildren( 838 stl_synth_flags, 839 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 840 stl_summary_flags.SetDontShowChildren(false); 841 stl_summary_flags.SetSkipPointers(true); 842 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 843 RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$")), 844 TypeSummaryImplSP( 845 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 846 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 847 RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$")), 848 TypeSummaryImplSP( 849 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 850 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 851 RegularExpression(llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$")), 852 TypeSummaryImplSP( 853 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 854 855 AddCXXSynthetic( 856 cpp_category_sp, 857 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, 858 "std::vector iterator synthetic children", 859 ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 860 861 AddCXXSynthetic( 862 cpp_category_sp, 863 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, 864 "std::map iterator synthetic children", 865 ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 866 867 AddCXXSynthetic( 868 cpp_category_sp, 869 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator, 870 "std::unique_ptr synthetic children", 871 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 872 AddCXXSynthetic( 873 cpp_category_sp, 874 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 875 "std::shared_ptr synthetic children", 876 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 877 AddCXXSynthetic( 878 cpp_category_sp, 879 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 880 "std::weak_ptr synthetic children", 881 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 882 AddCXXSynthetic( 883 cpp_category_sp, 884 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, 885 "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"), 886 stl_synth_flags, true); 887 888 AddCXXSummary(cpp_category_sp, 889 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider, 890 "libstdc++ std::unique_ptr summary provider", 891 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_summary_flags, 892 true); 893 AddCXXSummary(cpp_category_sp, 894 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 895 "libstdc++ std::shared_ptr summary provider", 896 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, 897 true); 898 AddCXXSummary(cpp_category_sp, 899 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 900 "libstdc++ std::weak_ptr summary provider", 901 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, 902 true); 903 } 904 905 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 906 if (!cpp_category_sp) 907 return; 908 909 TypeSummaryImpl::Flags string_flags; 910 string_flags.SetCascades(true) 911 .SetSkipPointers(true) 912 .SetSkipReferences(false) 913 .SetDontShowChildren(true) 914 .SetDontShowValue(false) 915 .SetShowMembersOneLiner(false) 916 .SetHideItemNames(false); 917 918 TypeSummaryImpl::Flags string_array_flags; 919 string_array_flags.SetCascades(true) 920 .SetSkipPointers(true) 921 .SetSkipReferences(false) 922 .SetDontShowChildren(true) 923 .SetDontShowValue(true) 924 .SetShowMembersOneLiner(false) 925 .SetHideItemNames(false); 926 927 // FIXME because of a bug in the FormattersContainer we need to add a summary 928 // for both X* and const X* (<rdar://problem/12717717>) 929 AddCXXSummary( 930 cpp_category_sp, lldb_private::formatters::Char8StringSummaryProvider, 931 "char8_t * summary provider", ConstString("char8_t *"), string_flags); 932 AddCXXSummary(cpp_category_sp, 933 lldb_private::formatters::Char8StringSummaryProvider, 934 "char8_t [] summary provider", 935 ConstString("char8_t \\[[0-9]+\\]"), string_array_flags, true); 936 937 AddCXXSummary( 938 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 939 "char16_t * summary provider", ConstString("char16_t *"), string_flags); 940 AddCXXSummary(cpp_category_sp, 941 lldb_private::formatters::Char16StringSummaryProvider, 942 "char16_t [] summary provider", 943 ConstString("char16_t \\[[0-9]+\\]"), string_array_flags, true); 944 945 AddCXXSummary( 946 cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, 947 "char32_t * summary provider", ConstString("char32_t *"), string_flags); 948 AddCXXSummary(cpp_category_sp, 949 lldb_private::formatters::Char32StringSummaryProvider, 950 "char32_t [] summary provider", 951 ConstString("char32_t \\[[0-9]+\\]"), string_array_flags, true); 952 953 AddCXXSummary( 954 cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, 955 "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 956 AddCXXSummary(cpp_category_sp, 957 lldb_private::formatters::WCharStringSummaryProvider, 958 "wchar_t * summary provider", 959 ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 960 961 AddCXXSummary( 962 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 963 "unichar * summary provider", ConstString("unichar *"), string_flags); 964 965 TypeSummaryImpl::Flags widechar_flags; 966 widechar_flags.SetDontShowValue(true) 967 .SetSkipPointers(true) 968 .SetSkipReferences(false) 969 .SetCascades(true) 970 .SetDontShowChildren(true) 971 .SetHideItemNames(true) 972 .SetShowMembersOneLiner(false); 973 974 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char8SummaryProvider, 975 "char8_t summary provider", ConstString("char8_t"), 976 widechar_flags); 977 AddCXXSummary( 978 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 979 "char16_t summary provider", ConstString("char16_t"), widechar_flags); 980 AddCXXSummary( 981 cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, 982 "char32_t summary provider", ConstString("char32_t"), widechar_flags); 983 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, 984 "wchar_t summary provider", ConstString("wchar_t"), 985 widechar_flags); 986 987 AddCXXSummary( 988 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 989 "unichar summary provider", ConstString("unichar"), widechar_flags); 990 } 991 992 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() { 993 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger { 994 public: 995 CompilerType AdjustForInclusion(CompilerType &candidate) override { 996 LanguageType lang_type(candidate.GetMinimumLanguage()); 997 if (!Language::LanguageIsC(lang_type) && 998 !Language::LanguageIsCPlusPlus(lang_type)) 999 return CompilerType(); 1000 if (candidate.IsTypedefType()) 1001 return candidate.GetTypedefedType(); 1002 return candidate; 1003 } 1004 }; 1005 1006 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger()); 1007 } 1008 1009 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() { 1010 static llvm::once_flag g_initialize; 1011 static TypeCategoryImplSP g_category; 1012 1013 llvm::call_once(g_initialize, [this]() -> void { 1014 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 1015 if (g_category) { 1016 LoadLibStdcppFormatters(g_category); 1017 LoadLibCxxFormatters(g_category); 1018 LoadSystemFormatters(g_category); 1019 } 1020 }); 1021 return g_category; 1022 } 1023 1024 HardcodedFormatters::HardcodedSummaryFinder 1025 CPlusPlusLanguage::GetHardcodedSummaries() { 1026 static llvm::once_flag g_initialize; 1027 static ConstString g_vectortypes("VectorTypes"); 1028 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 1029 1030 llvm::call_once(g_initialize, []() -> void { 1031 g_formatters.push_back( 1032 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1033 FormatManager &) -> TypeSummaryImpl::SharedPointer { 1034 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1035 new CXXFunctionSummaryFormat( 1036 TypeSummaryImpl::Flags(), 1037 lldb_private::formatters::CXXFunctionPointerSummaryProvider, 1038 "Function pointer summary provider")); 1039 if (valobj.GetCompilerType().IsFunctionPointerType()) { 1040 return formatter_sp; 1041 } 1042 return nullptr; 1043 }); 1044 g_formatters.push_back( 1045 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1046 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1047 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1048 new CXXFunctionSummaryFormat( 1049 TypeSummaryImpl::Flags() 1050 .SetCascades(true) 1051 .SetDontShowChildren(true) 1052 .SetHideItemNames(true) 1053 .SetShowMembersOneLiner(true) 1054 .SetSkipPointers(true) 1055 .SetSkipReferences(false), 1056 lldb_private::formatters::VectorTypeSummaryProvider, 1057 "vector_type pointer summary provider")); 1058 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1059 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1060 return formatter_sp; 1061 } 1062 return nullptr; 1063 }); 1064 g_formatters.push_back( 1065 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1066 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1067 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1068 new CXXFunctionSummaryFormat( 1069 TypeSummaryImpl::Flags() 1070 .SetCascades(true) 1071 .SetDontShowChildren(true) 1072 .SetHideItemNames(true) 1073 .SetShowMembersOneLiner(true) 1074 .SetSkipPointers(true) 1075 .SetSkipReferences(false), 1076 lldb_private::formatters::BlockPointerSummaryProvider, 1077 "block pointer summary provider")); 1078 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1079 return formatter_sp; 1080 } 1081 return nullptr; 1082 }); 1083 }); 1084 1085 return g_formatters; 1086 } 1087 1088 HardcodedFormatters::HardcodedSyntheticFinder 1089 CPlusPlusLanguage::GetHardcodedSynthetics() { 1090 static llvm::once_flag g_initialize; 1091 static ConstString g_vectortypes("VectorTypes"); 1092 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 1093 1094 llvm::call_once(g_initialize, []() -> void { 1095 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1096 lldb::DynamicValueType, 1097 FormatManager & 1098 fmt_mgr) -> SyntheticChildren::SharedPointer { 1099 static CXXSyntheticChildren::SharedPointer formatter_sp( 1100 new CXXSyntheticChildren( 1101 SyntheticChildren::Flags() 1102 .SetCascades(true) 1103 .SetSkipPointers(true) 1104 .SetSkipReferences(true) 1105 .SetNonCacheable(true), 1106 "vector_type synthetic children", 1107 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 1108 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1109 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1110 return formatter_sp; 1111 } 1112 return nullptr; 1113 }); 1114 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1115 lldb::DynamicValueType, 1116 FormatManager & 1117 fmt_mgr) -> SyntheticChildren::SharedPointer { 1118 static CXXSyntheticChildren::SharedPointer formatter_sp( 1119 new CXXSyntheticChildren( 1120 SyntheticChildren::Flags() 1121 .SetCascades(true) 1122 .SetSkipPointers(true) 1123 .SetSkipReferences(true) 1124 .SetNonCacheable(true), 1125 "block pointer synthetic children", 1126 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 1127 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1128 return formatter_sp; 1129 } 1130 return nullptr; 1131 }); 1132 1133 }); 1134 1135 return g_formatters; 1136 } 1137 1138 bool CPlusPlusLanguage::IsSourceFile(llvm::StringRef file_path) const { 1139 const auto suffixes = {".cpp", ".cxx", ".c++", ".cc", ".c", 1140 ".h", ".hh", ".hpp", ".hxx", ".h++"}; 1141 for (auto suffix : suffixes) { 1142 if (file_path.endswith_lower(suffix)) 1143 return true; 1144 } 1145 1146 // Check if we're in a STL path (where the files usually have no extension 1147 // that we could check for. 1148 return file_path.contains("/usr/include/c++/"); 1149 } 1150