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/Module.h" 24 #include "lldb/Core/PluginManager.h" 25 #include "lldb/Core/UniqueCStringMap.h" 26 #include "lldb/Core/ValueObjectVariable.h" 27 #include "lldb/DataFormatters/CXXFunctionPointer.h" 28 #include "lldb/DataFormatters/DataVisualization.h" 29 #include "lldb/DataFormatters/FormattersHelpers.h" 30 #include "lldb/DataFormatters/VectorType.h" 31 #include "lldb/Symbol/SymbolFile.h" 32 #include "lldb/Symbol/VariableList.h" 33 #include "lldb/Utility/ConstString.h" 34 #include "lldb/Utility/LLDBLog.h" 35 #include "lldb/Utility/Log.h" 36 #include "lldb/Utility/RegularExpression.h" 37 38 #include "BlockPointer.h" 39 #include "CPlusPlusNameParser.h" 40 #include "Coroutines.h" 41 #include "CxxStringTypes.h" 42 #include "Generic.h" 43 #include "LibCxx.h" 44 #include "LibCxxAtomic.h" 45 #include "LibCxxVariant.h" 46 #include "LibStdcpp.h" 47 #include "MSVCUndecoratedNameParser.h" 48 #include "lldb/lldb-enumerations.h" 49 50 using namespace lldb; 51 using namespace lldb_private; 52 using namespace lldb_private::formatters; 53 54 LLDB_PLUGIN_DEFINE(CPlusPlusLanguage) 55 56 void CPlusPlusLanguage::Initialize() { 57 PluginManager::RegisterPlugin(GetPluginNameStatic(), "C++ Language", 58 CreateInstance); 59 } 60 61 void CPlusPlusLanguage::Terminate() { 62 PluginManager::UnregisterPlugin(CreateInstance); 63 } 64 65 bool CPlusPlusLanguage::SymbolNameFitsToLanguage(Mangled mangled) const { 66 const char *mangled_name = mangled.GetMangledName().GetCString(); 67 return mangled_name && CPlusPlusLanguage::IsCPPMangledName(mangled_name); 68 } 69 70 ConstString CPlusPlusLanguage::GetDemangledFunctionNameWithoutArguments( 71 Mangled mangled) const { 72 const char *mangled_name_cstr = mangled.GetMangledName().GetCString(); 73 ConstString demangled_name = mangled.GetDemangledName(); 74 if (demangled_name && mangled_name_cstr && mangled_name_cstr[0]) { 75 if (mangled_name_cstr[0] == '_' && mangled_name_cstr[1] == 'Z' && 76 (mangled_name_cstr[2] != 'T' && // avoid virtual table, VTT structure, 77 // typeinfo structure, and typeinfo 78 // mangled_name 79 mangled_name_cstr[2] != 'G' && // avoid guard variables 80 mangled_name_cstr[2] != 'Z')) // named local entities (if we 81 // eventually handle eSymbolTypeData, 82 // we will want this back) 83 { 84 CPlusPlusLanguage::MethodName cxx_method(demangled_name); 85 if (!cxx_method.GetBasename().empty()) { 86 std::string shortname; 87 if (!cxx_method.GetContext().empty()) 88 shortname = cxx_method.GetContext().str() + "::"; 89 shortname += cxx_method.GetBasename().str(); 90 return ConstString(shortname); 91 } 92 } 93 } 94 if (demangled_name) 95 return demangled_name; 96 return mangled.GetMangledName(); 97 } 98 99 // Static Functions 100 101 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) { 102 // Use plugin for C++ but not for Objective-C++ (which has its own plugin). 103 if (Language::LanguageIsCPlusPlus(language) && 104 language != eLanguageTypeObjC_plus_plus) 105 return new CPlusPlusLanguage(); 106 return nullptr; 107 } 108 109 void CPlusPlusLanguage::MethodName::Clear() { 110 m_full.Clear(); 111 m_basename = llvm::StringRef(); 112 m_context = llvm::StringRef(); 113 m_arguments = llvm::StringRef(); 114 m_qualifiers = llvm::StringRef(); 115 m_return_type = llvm::StringRef(); 116 m_parsed = false; 117 m_parse_error = false; 118 } 119 120 static bool ReverseFindMatchingChars(const llvm::StringRef &s, 121 const llvm::StringRef &left_right_chars, 122 size_t &left_pos, size_t &right_pos, 123 size_t pos = llvm::StringRef::npos) { 124 assert(left_right_chars.size() == 2); 125 left_pos = llvm::StringRef::npos; 126 const char left_char = left_right_chars[0]; 127 const char right_char = left_right_chars[1]; 128 pos = s.find_last_of(left_right_chars, pos); 129 if (pos == llvm::StringRef::npos || s[pos] == left_char) 130 return false; 131 right_pos = pos; 132 uint32_t depth = 1; 133 while (pos > 0 && depth > 0) { 134 pos = s.find_last_of(left_right_chars, pos); 135 if (pos == llvm::StringRef::npos) 136 return false; 137 if (s[pos] == left_char) { 138 if (--depth == 0) { 139 left_pos = pos; 140 return left_pos < right_pos; 141 } 142 } else if (s[pos] == right_char) { 143 ++depth; 144 } 145 } 146 return false; 147 } 148 149 static bool IsTrivialBasename(const llvm::StringRef &basename) { 150 // Check that the basename matches with the following regular expression 151 // "^~?([A-Za-z_][A-Za-z_0-9]*)$" We are using a hand written implementation 152 // because it is significantly more efficient then using the general purpose 153 // regular expression library. 154 size_t idx = 0; 155 if (basename.size() > 0 && basename[0] == '~') 156 idx = 1; 157 158 if (basename.size() <= idx) 159 return false; // Empty string or "~" 160 161 if (!std::isalpha(basename[idx]) && basename[idx] != '_') 162 return false; // First character (after removing the possible '~'') isn't in 163 // [A-Za-z_] 164 165 // Read all characters matching [A-Za-z_0-9] 166 ++idx; 167 while (idx < basename.size()) { 168 if (!std::isalnum(basename[idx]) && basename[idx] != '_') 169 break; 170 ++idx; 171 } 172 173 // We processed all characters. It is a vaild basename. 174 return idx == basename.size(); 175 } 176 177 /// Writes out the function name in 'full_name' to 'out_stream' 178 /// but replaces each argument type with the variable name 179 /// and the corresponding pretty-printed value 180 static bool PrettyPrintFunctionNameWithArgs(Stream &out_stream, 181 char const *full_name, 182 ExecutionContextScope *exe_scope, 183 VariableList const &args) { 184 CPlusPlusLanguage::MethodName cpp_method{ConstString(full_name)}; 185 186 if (!cpp_method.IsValid()) 187 return false; 188 189 llvm::StringRef return_type = cpp_method.GetReturnType(); 190 if (!return_type.empty()) { 191 out_stream.PutCString(return_type); 192 out_stream.PutChar(' '); 193 } 194 195 out_stream.PutCString(cpp_method.GetScopeQualifiedName()); 196 out_stream.PutChar('('); 197 198 FormatEntity::PrettyPrintFunctionArguments(out_stream, args, exe_scope); 199 200 out_stream.PutChar(')'); 201 202 llvm::StringRef qualifiers = cpp_method.GetQualifiers(); 203 if (!qualifiers.empty()) { 204 out_stream.PutChar(' '); 205 out_stream.PutCString(qualifiers); 206 } 207 208 return true; 209 } 210 211 bool CPlusPlusLanguage::MethodName::TrySimplifiedParse() { 212 // This method tries to parse simple method definitions which are presumably 213 // most comman in user programs. Definitions that can be parsed by this 214 // function don't have return types and templates in the name. 215 // A::B::C::fun(std::vector<T> &) const 216 size_t arg_start, arg_end; 217 llvm::StringRef full(m_full.GetCString()); 218 llvm::StringRef parens("()", 2); 219 if (ReverseFindMatchingChars(full, parens, arg_start, arg_end)) { 220 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 221 if (arg_end + 1 < full.size()) 222 m_qualifiers = full.substr(arg_end + 1).ltrim(); 223 224 if (arg_start == 0) 225 return false; 226 size_t basename_end = arg_start; 227 size_t context_start = 0; 228 size_t context_end = full.rfind(':', basename_end); 229 if (context_end == llvm::StringRef::npos) 230 m_basename = full.substr(0, basename_end); 231 else { 232 if (context_start < context_end) 233 m_context = full.substr(context_start, context_end - 1 - context_start); 234 const size_t basename_begin = context_end + 1; 235 m_basename = full.substr(basename_begin, basename_end - basename_begin); 236 } 237 238 if (IsTrivialBasename(m_basename)) { 239 return true; 240 } else { 241 // The C++ basename doesn't match our regular expressions so this can't 242 // be a valid C++ method, clear everything out and indicate an error 243 m_context = llvm::StringRef(); 244 m_basename = llvm::StringRef(); 245 m_arguments = llvm::StringRef(); 246 m_qualifiers = llvm::StringRef(); 247 m_return_type = llvm::StringRef(); 248 return false; 249 } 250 } 251 return false; 252 } 253 254 void CPlusPlusLanguage::MethodName::Parse() { 255 if (!m_parsed && m_full) { 256 if (TrySimplifiedParse()) { 257 m_parse_error = false; 258 } else { 259 CPlusPlusNameParser parser(m_full.GetStringRef()); 260 if (auto function = parser.ParseAsFunctionDefinition()) { 261 m_basename = function->name.basename; 262 m_context = function->name.context; 263 m_arguments = function->arguments; 264 m_qualifiers = function->qualifiers; 265 m_return_type = function->return_type; 266 m_parse_error = false; 267 } else { 268 m_parse_error = true; 269 } 270 } 271 m_parsed = true; 272 } 273 } 274 275 llvm::StringRef CPlusPlusLanguage::MethodName::GetBasename() { 276 if (!m_parsed) 277 Parse(); 278 return m_basename; 279 } 280 281 llvm::StringRef CPlusPlusLanguage::MethodName::GetContext() { 282 if (!m_parsed) 283 Parse(); 284 return m_context; 285 } 286 287 llvm::StringRef CPlusPlusLanguage::MethodName::GetArguments() { 288 if (!m_parsed) 289 Parse(); 290 return m_arguments; 291 } 292 293 llvm::StringRef CPlusPlusLanguage::MethodName::GetQualifiers() { 294 if (!m_parsed) 295 Parse(); 296 return m_qualifiers; 297 } 298 299 llvm::StringRef CPlusPlusLanguage::MethodName::GetReturnType() { 300 if (!m_parsed) 301 Parse(); 302 return m_return_type; 303 } 304 305 std::string CPlusPlusLanguage::MethodName::GetScopeQualifiedName() { 306 if (!m_parsed) 307 Parse(); 308 if (m_context.empty()) 309 return std::string(m_basename); 310 311 std::string res; 312 res += m_context; 313 res += "::"; 314 res += m_basename; 315 return res; 316 } 317 318 llvm::StringRef 319 CPlusPlusLanguage::MethodName::GetBasenameNoTemplateParameters() { 320 llvm::StringRef basename = GetBasename(); 321 size_t arg_start, arg_end; 322 llvm::StringRef parens("<>", 2); 323 if (ReverseFindMatchingChars(basename, parens, arg_start, arg_end)) 324 return basename.substr(0, arg_start); 325 326 return basename; 327 } 328 329 bool CPlusPlusLanguage::MethodName::ContainsPath(llvm::StringRef path) { 330 if (!m_parsed) 331 Parse(); 332 333 // If we can't parse the incoming name, then just check that it contains path. 334 if (m_parse_error) 335 return m_full.GetStringRef().contains(path); 336 337 llvm::StringRef identifier; 338 llvm::StringRef context; 339 std::string path_str = path.str(); 340 bool success = CPlusPlusLanguage::ExtractContextAndIdentifier( 341 path_str.c_str(), context, identifier); 342 if (!success) 343 return m_full.GetStringRef().contains(path); 344 345 // Basename may include template arguments. 346 // E.g., 347 // GetBaseName(): func<int> 348 // identifier : func 349 // 350 // ...but we still want to account for identifiers with template parameter 351 // lists, e.g., when users set breakpoints on template specializations. 352 // 353 // E.g., 354 // GetBaseName(): func<uint32_t> 355 // identifier : func<int32_t*> 356 // 357 // Try to match the basename with or without template parameters. 358 if (GetBasename() != identifier && 359 GetBasenameNoTemplateParameters() != identifier) 360 return false; 361 362 // Incoming path only had an identifier, so we match. 363 if (context.empty()) 364 return true; 365 // Incoming path has context but this method does not, no match. 366 if (m_context.empty()) 367 return false; 368 369 llvm::StringRef haystack = m_context; 370 if (!haystack.consume_back(context)) 371 return false; 372 if (haystack.empty() || !isalnum(haystack.back())) 373 return true; 374 375 return false; 376 } 377 378 bool CPlusPlusLanguage::IsCPPMangledName(llvm::StringRef name) { 379 // FIXME!! we should really run through all the known C++ Language plugins 380 // and ask each one if this is a C++ mangled name 381 382 Mangled::ManglingScheme scheme = Mangled::GetManglingScheme(name); 383 384 if (scheme == Mangled::eManglingSchemeNone) 385 return false; 386 387 return true; 388 } 389 390 bool CPlusPlusLanguage::DemangledNameContainsPath(llvm::StringRef path, 391 ConstString demangled) const { 392 MethodName demangled_name(demangled); 393 return demangled_name.ContainsPath(path); 394 } 395 396 bool CPlusPlusLanguage::ExtractContextAndIdentifier( 397 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) { 398 if (MSVCUndecoratedNameParser::IsMSVCUndecoratedName(name)) 399 return MSVCUndecoratedNameParser::ExtractContextAndIdentifier(name, context, 400 identifier); 401 402 CPlusPlusNameParser parser(name); 403 if (auto full_name = parser.ParseAsFullName()) { 404 identifier = full_name->basename; 405 context = full_name->context; 406 return true; 407 } 408 return false; 409 } 410 411 namespace { 412 class NodeAllocator { 413 llvm::BumpPtrAllocator Alloc; 414 415 public: 416 void reset() { Alloc.Reset(); } 417 418 template <typename T, typename... Args> T *makeNode(Args &&... args) { 419 return new (Alloc.Allocate(sizeof(T), alignof(T))) 420 T(std::forward<Args>(args)...); 421 } 422 423 void *allocateNodeArray(size_t sz) { 424 return Alloc.Allocate(sizeof(llvm::itanium_demangle::Node *) * sz, 425 alignof(llvm::itanium_demangle::Node *)); 426 } 427 }; 428 429 template <typename Derived> 430 class ManglingSubstitutor 431 : public llvm::itanium_demangle::AbstractManglingParser<Derived, 432 NodeAllocator> { 433 using Base = 434 llvm::itanium_demangle::AbstractManglingParser<Derived, NodeAllocator>; 435 436 public: 437 ManglingSubstitutor() : Base(nullptr, nullptr) {} 438 439 template <typename... Ts> 440 ConstString substitute(llvm::StringRef Mangled, Ts &&... Vals) { 441 this->getDerived().reset(Mangled, std::forward<Ts>(Vals)...); 442 return substituteImpl(Mangled); 443 } 444 445 protected: 446 void reset(llvm::StringRef Mangled) { 447 Base::reset(Mangled.begin(), Mangled.end()); 448 Written = Mangled.begin(); 449 Result.clear(); 450 Substituted = false; 451 } 452 453 ConstString substituteImpl(llvm::StringRef Mangled) { 454 Log *log = GetLog(LLDBLog::Language); 455 if (this->parse() == nullptr) { 456 LLDB_LOG(log, "Failed to substitute mangling in {0}", Mangled); 457 return ConstString(); 458 } 459 if (!Substituted) 460 return ConstString(); 461 462 // Append any trailing unmodified input. 463 appendUnchangedInput(); 464 LLDB_LOG(log, "Substituted mangling {0} -> {1}", Mangled, Result); 465 return ConstString(Result); 466 } 467 468 void trySubstitute(llvm::StringRef From, llvm::StringRef To) { 469 if (!llvm::StringRef(currentParserPos(), this->numLeft()).starts_with(From)) 470 return; 471 472 // We found a match. Append unmodified input up to this point. 473 appendUnchangedInput(); 474 475 // And then perform the replacement. 476 Result += To; 477 Written += From.size(); 478 Substituted = true; 479 } 480 481 private: 482 /// Input character until which we have constructed the respective output 483 /// already. 484 const char *Written = ""; 485 486 llvm::SmallString<128> Result; 487 488 /// Whether we have performed any substitutions. 489 bool Substituted = false; 490 491 const char *currentParserPos() const { return this->First; } 492 493 void appendUnchangedInput() { 494 Result += 495 llvm::StringRef(Written, std::distance(Written, currentParserPos())); 496 Written = currentParserPos(); 497 } 498 }; 499 500 /// Given a mangled function `Mangled`, replace all the primitive function type 501 /// arguments of `Search` with type `Replace`. 502 class TypeSubstitutor : public ManglingSubstitutor<TypeSubstitutor> { 503 llvm::StringRef Search; 504 llvm::StringRef Replace; 505 506 public: 507 void reset(llvm::StringRef Mangled, llvm::StringRef Search, 508 llvm::StringRef Replace) { 509 ManglingSubstitutor::reset(Mangled); 510 this->Search = Search; 511 this->Replace = Replace; 512 } 513 514 llvm::itanium_demangle::Node *parseType() { 515 trySubstitute(Search, Replace); 516 return ManglingSubstitutor::parseType(); 517 } 518 }; 519 520 class CtorDtorSubstitutor : public ManglingSubstitutor<CtorDtorSubstitutor> { 521 public: 522 llvm::itanium_demangle::Node * 523 parseCtorDtorName(llvm::itanium_demangle::Node *&SoFar, NameState *State) { 524 trySubstitute("C1", "C2"); 525 trySubstitute("D1", "D2"); 526 return ManglingSubstitutor::parseCtorDtorName(SoFar, State); 527 } 528 }; 529 } // namespace 530 531 std::vector<ConstString> CPlusPlusLanguage::GenerateAlternateFunctionManglings( 532 const ConstString mangled_name) const { 533 std::vector<ConstString> alternates; 534 535 /// Get a basic set of alternative manglings for the given symbol `name`, by 536 /// making a few basic possible substitutions on basic types, storage duration 537 /// and `const`ness for the given symbol. The output parameter `alternates` 538 /// is filled with a best-guess, non-exhaustive set of different manglings 539 /// for the given name. 540 541 // Maybe we're looking for a const symbol but the debug info told us it was 542 // non-const... 543 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) && 544 strncmp(mangled_name.GetCString(), "_ZNK", 4)) { 545 std::string fixed_scratch("_ZNK"); 546 fixed_scratch.append(mangled_name.GetCString() + 3); 547 alternates.push_back(ConstString(fixed_scratch)); 548 } 549 550 // Maybe we're looking for a static symbol but we thought it was global... 551 if (!strncmp(mangled_name.GetCString(), "_Z", 2) && 552 strncmp(mangled_name.GetCString(), "_ZL", 3)) { 553 std::string fixed_scratch("_ZL"); 554 fixed_scratch.append(mangled_name.GetCString() + 2); 555 alternates.push_back(ConstString(fixed_scratch)); 556 } 557 558 TypeSubstitutor TS; 559 // `char` is implementation defined as either `signed` or `unsigned`. As a 560 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed 561 // char, 'h'-unsigned char. If we're looking for symbols with a signed char 562 // parameter, try finding matches which have the general case 'c'. 563 if (ConstString char_fixup = 564 TS.substitute(mangled_name.GetStringRef(), "a", "c")) 565 alternates.push_back(char_fixup); 566 567 // long long parameter mangling 'x', may actually just be a long 'l' argument 568 if (ConstString long_fixup = 569 TS.substitute(mangled_name.GetStringRef(), "x", "l")) 570 alternates.push_back(long_fixup); 571 572 // unsigned long long parameter mangling 'y', may actually just be unsigned 573 // long 'm' argument 574 if (ConstString ulong_fixup = 575 TS.substitute(mangled_name.GetStringRef(), "y", "m")) 576 alternates.push_back(ulong_fixup); 577 578 if (ConstString ctor_fixup = 579 CtorDtorSubstitutor().substitute(mangled_name.GetStringRef())) 580 alternates.push_back(ctor_fixup); 581 582 return alternates; 583 } 584 585 ConstString CPlusPlusLanguage::FindBestAlternateFunctionMangledName( 586 const Mangled mangled, const SymbolContext &sym_ctx) const { 587 ConstString demangled = mangled.GetDemangledName(); 588 if (!demangled) 589 return ConstString(); 590 591 CPlusPlusLanguage::MethodName cpp_name(demangled); 592 std::string scope_qualified_name = cpp_name.GetScopeQualifiedName(); 593 594 if (!scope_qualified_name.size()) 595 return ConstString(); 596 597 if (!sym_ctx.module_sp) 598 return ConstString(); 599 600 lldb_private::SymbolFile *sym_file = sym_ctx.module_sp->GetSymbolFile(); 601 if (!sym_file) 602 return ConstString(); 603 604 std::vector<ConstString> alternates; 605 sym_file->GetMangledNamesForFunction(scope_qualified_name, alternates); 606 607 std::vector<ConstString> param_and_qual_matches; 608 std::vector<ConstString> param_matches; 609 for (size_t i = 0; i < alternates.size(); i++) { 610 ConstString alternate_mangled_name = alternates[i]; 611 Mangled mangled(alternate_mangled_name); 612 ConstString demangled = mangled.GetDemangledName(); 613 614 CPlusPlusLanguage::MethodName alternate_cpp_name(demangled); 615 if (!cpp_name.IsValid()) 616 continue; 617 618 if (alternate_cpp_name.GetArguments() == cpp_name.GetArguments()) { 619 if (alternate_cpp_name.GetQualifiers() == cpp_name.GetQualifiers()) 620 param_and_qual_matches.push_back(alternate_mangled_name); 621 else 622 param_matches.push_back(alternate_mangled_name); 623 } 624 } 625 626 if (param_and_qual_matches.size()) 627 return param_and_qual_matches[0]; // It is assumed that there will be only 628 // one! 629 else if (param_matches.size()) 630 return param_matches[0]; // Return one of them as a best match 631 else 632 return ConstString(); 633 } 634 635 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 636 if (!cpp_category_sp) 637 return; 638 639 TypeSummaryImpl::Flags stl_summary_flags; 640 stl_summary_flags.SetCascades(true) 641 .SetSkipPointers(false) 642 .SetSkipReferences(false) 643 .SetDontShowChildren(true) 644 .SetDontShowValue(true) 645 .SetShowMembersOneLiner(false) 646 .SetHideItemNames(false); 647 648 AddCXXSummary(cpp_category_sp, 649 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 650 "std::string summary provider", "^std::__[[:alnum:]]+::string$", 651 stl_summary_flags, true); 652 AddCXXSummary(cpp_category_sp, 653 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 654 "std::string summary provider", 655 "^std::__[[:alnum:]]+::basic_string<char, " 656 "std::__[[:alnum:]]+::char_traits<char>, " 657 "std::__[[:alnum:]]+::allocator<char> >$", 658 stl_summary_flags, true); 659 AddCXXSummary(cpp_category_sp, 660 lldb_private::formatters::LibcxxStringSummaryProviderASCII, 661 "std::string summary provider", 662 "^std::__[[:alnum:]]+::basic_string<unsigned char, " 663 "std::__[[:alnum:]]+::char_traits<unsigned char>, " 664 "std::__[[:alnum:]]+::allocator<unsigned char> >$", 665 stl_summary_flags, true); 666 667 AddCXXSummary(cpp_category_sp, 668 lldb_private::formatters::LibcxxStringSummaryProviderUTF16, 669 "std::u16string summary provider", 670 "^std::__[[:alnum:]]+::basic_string<char16_t, " 671 "std::__[[:alnum:]]+::char_traits<char16_t>, " 672 "std::__[[:alnum:]]+::allocator<char16_t> >$", 673 stl_summary_flags, true); 674 675 AddCXXSummary(cpp_category_sp, 676 lldb_private::formatters::LibcxxStringSummaryProviderUTF32, 677 "std::u32string summary provider", 678 "^std::__[[:alnum:]]+::basic_string<char32_t, " 679 "std::__[[:alnum:]]+::char_traits<char32_t>, " 680 "std::__[[:alnum:]]+::allocator<char32_t> >$", 681 stl_summary_flags, true); 682 683 AddCXXSummary(cpp_category_sp, 684 lldb_private::formatters::LibcxxWStringSummaryProvider, 685 "std::wstring summary provider", 686 "^std::__[[:alnum:]]+::wstring$", stl_summary_flags, true); 687 AddCXXSummary(cpp_category_sp, 688 lldb_private::formatters::LibcxxWStringSummaryProvider, 689 "std::wstring summary provider", 690 "^std::__[[:alnum:]]+::basic_string<wchar_t, " 691 "std::__[[:alnum:]]+::char_traits<wchar_t>, " 692 "std::__[[:alnum:]]+::allocator<wchar_t> >$", 693 stl_summary_flags, true); 694 695 AddCXXSummary(cpp_category_sp, 696 lldb_private::formatters::LibcxxStringViewSummaryProviderASCII, 697 "std::string_view summary provider", 698 "^std::__[[:alnum:]]+::string_view$", stl_summary_flags, true); 699 AddCXXSummary(cpp_category_sp, 700 lldb_private::formatters::LibcxxStringViewSummaryProviderASCII, 701 "std::string_view summary provider", 702 "^std::__[[:alnum:]]+::basic_string_view<char, " 703 "std::__[[:alnum:]]+::char_traits<char> >$", 704 stl_summary_flags, true); 705 AddCXXSummary(cpp_category_sp, 706 lldb_private::formatters::LibcxxStringViewSummaryProviderASCII, 707 "std::string_view summary provider", 708 "^std::__[[:alnum:]]+::basic_string_view<unsigned char, " 709 "std::__[[:alnum:]]+::char_traits<unsigned char> >$", 710 stl_summary_flags, true); 711 712 AddCXXSummary(cpp_category_sp, 713 lldb_private::formatters::LibcxxStringViewSummaryProviderUTF16, 714 "std::u16string_view summary provider", 715 "^std::__[[:alnum:]]+::basic_string_view<char16_t, " 716 "std::__[[:alnum:]]+::char_traits<char16_t> >$", 717 stl_summary_flags, true); 718 719 AddCXXSummary(cpp_category_sp, 720 lldb_private::formatters::LibcxxStringViewSummaryProviderUTF32, 721 "std::u32string_view summary provider", 722 "^std::__[[:alnum:]]+::basic_string_view<char32_t, " 723 "std::__[[:alnum:]]+::char_traits<char32_t> >$", 724 stl_summary_flags, true); 725 726 AddCXXSummary(cpp_category_sp, 727 lldb_private::formatters::LibcxxWStringViewSummaryProvider, 728 "std::wstring_view summary provider", 729 "^std::__[[:alnum:]]+::wstring_view$", stl_summary_flags, true); 730 AddCXXSummary(cpp_category_sp, 731 lldb_private::formatters::LibcxxWStringViewSummaryProvider, 732 "std::wstring_view summary provider", 733 "^std::__[[:alnum:]]+::basic_string_view<wchar_t, " 734 "std::__[[:alnum:]]+::char_traits<wchar_t> >$", 735 stl_summary_flags, true); 736 737 SyntheticChildren::Flags stl_synth_flags; 738 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 739 false); 740 SyntheticChildren::Flags stl_deref_flags = stl_synth_flags; 741 stl_deref_flags.SetFrontEndWantsDereference(); 742 743 AddCXXSynthetic( 744 cpp_category_sp, 745 lldb_private::formatters::LibcxxBitsetSyntheticFrontEndCreator, 746 "libc++ std::bitset synthetic children", 747 "^std::__[[:alnum:]]+::bitset<.+>(( )?&)?$", stl_deref_flags, true); 748 AddCXXSynthetic( 749 cpp_category_sp, 750 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, 751 "libc++ std::vector synthetic children", 752 "^std::__[[:alnum:]]+::vector<.+>(( )?&)?$", stl_deref_flags, true); 753 AddCXXSynthetic( 754 cpp_category_sp, 755 lldb_private::formatters::LibcxxStdForwardListSyntheticFrontEndCreator, 756 "libc++ std::forward_list synthetic children", 757 "^std::__[[:alnum:]]+::forward_list<.+>(( )?&)?$", stl_synth_flags, true); 758 AddCXXSynthetic( 759 cpp_category_sp, 760 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, 761 "libc++ std::list synthetic children", 762 // A POSIX variant of: "^std::__(?!cxx11:)[[:alnum:]]+::list<.+>(( )?&)?$" 763 // so that it does not clash with: "^std::(__cxx11::)?list<.+>(( )?&)?$" 764 "^std::__([A-Zabd-z0-9]|cx?[A-Za-wyz0-9]|cxx1?[A-Za-z02-9]|" 765 "cxx11[[:alnum:]])[[:alnum:]]*::list<.+>(( )?&)?$", 766 stl_deref_flags, true); 767 AddCXXSynthetic( 768 cpp_category_sp, 769 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 770 "libc++ std::map synthetic children", 771 "^std::__[[:alnum:]]+::map<.+> >(( )?&)?$", stl_synth_flags, true); 772 AddCXXSynthetic( 773 cpp_category_sp, 774 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 775 "libc++ std::set synthetic children", 776 "^std::__[[:alnum:]]+::set<.+> >(( )?&)?$", stl_deref_flags, true); 777 AddCXXSynthetic( 778 cpp_category_sp, 779 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 780 "libc++ std::multiset synthetic children", 781 "^std::__[[:alnum:]]+::multiset<.+> >(( )?&)?$", stl_deref_flags, true); 782 AddCXXSynthetic( 783 cpp_category_sp, 784 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 785 "libc++ std::multimap synthetic children", 786 "^std::__[[:alnum:]]+::multimap<.+> >(( )?&)?$", stl_synth_flags, true); 787 AddCXXSynthetic( 788 cpp_category_sp, 789 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, 790 "libc++ std::unordered containers synthetic children", 791 "^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$", 792 stl_synth_flags, true); 793 AddCXXSynthetic( 794 cpp_category_sp, 795 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, 796 "libc++ std::initializer_list synthetic children", 797 "^std::initializer_list<.+>(( )?&)?$", stl_synth_flags, true); 798 AddCXXSynthetic(cpp_category_sp, LibcxxQueueFrontEndCreator, 799 "libc++ std::queue synthetic children", 800 "^std::__[[:alnum:]]+::queue<.+>(( )?&)?$", stl_synth_flags, 801 true); 802 AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator, 803 "libc++ std::tuple synthetic children", 804 "^std::__[[:alnum:]]+::tuple<.*>(( )?&)?$", stl_synth_flags, 805 true); 806 AddCXXSynthetic(cpp_category_sp, LibcxxOptionalSyntheticFrontEndCreator, 807 "libc++ std::optional synthetic children", 808 "^std::__[[:alnum:]]+::optional<.+>(( )?&)?$", 809 stl_synth_flags, true); 810 AddCXXSynthetic(cpp_category_sp, LibcxxVariantFrontEndCreator, 811 "libc++ std::variant synthetic children", 812 "^std::__[[:alnum:]]+::variant<.+>(( )?&)?$", stl_synth_flags, 813 true); 814 AddCXXSynthetic( 815 cpp_category_sp, 816 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, 817 "libc++ std::atomic synthetic children", 818 "^std::__[[:alnum:]]+::atomic<.+>$", stl_synth_flags, true); 819 AddCXXSynthetic( 820 cpp_category_sp, 821 lldb_private::formatters::LibcxxStdSpanSyntheticFrontEndCreator, 822 "libc++ std::span synthetic children", 823 "^std::__[[:alnum:]]+::span<.+>(( )?&)?$", stl_deref_flags, true); 824 AddCXXSynthetic( 825 cpp_category_sp, 826 lldb_private::formatters::LibcxxStdRangesRefViewSyntheticFrontEndCreator, 827 "libc++ std::ranges::ref_view synthetic children", 828 "^std::__[[:alnum:]]+::ranges::ref_view<.+>(( )?&)?$", stl_deref_flags, 829 true); 830 831 cpp_category_sp->AddTypeSynthetic( 832 "^(std::__[[:alnum:]]+::)deque<.+>(( )?&)?$", eFormatterMatchRegex, 833 SyntheticChildrenSP(new ScriptedSyntheticChildren( 834 stl_synth_flags, 835 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 836 837 AddCXXSynthetic( 838 cpp_category_sp, 839 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 840 "shared_ptr synthetic children", 841 "^(std::__[[:alnum:]]+::)shared_ptr<.+>(( )?&)?$", stl_synth_flags, true); 842 843 static constexpr const char *const libcxx_std_unique_ptr_regex = 844 "^std::__[[:alnum:]]+::unique_ptr<.+>(( )?&)?$"; 845 AddCXXSynthetic( 846 cpp_category_sp, 847 lldb_private::formatters::LibcxxUniquePtrSyntheticFrontEndCreator, 848 "unique_ptr synthetic children", libcxx_std_unique_ptr_regex, 849 stl_synth_flags, true); 850 851 AddCXXSynthetic( 852 cpp_category_sp, 853 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 854 "weak_ptr synthetic children", 855 "^(std::__[[:alnum:]]+::)weak_ptr<.+>(( )?&)?$", stl_synth_flags, true); 856 AddCXXSummary(cpp_category_sp, 857 lldb_private::formatters::LibcxxFunctionSummaryProvider, 858 "libc++ std::function summary provider", 859 "^std::__[[:alnum:]]+::function<.+>$", stl_summary_flags, true); 860 861 static constexpr const char *const libcxx_std_coroutine_handle_regex = 862 "^std::__[[:alnum:]]+::coroutine_handle<.+>(( )?&)?$"; 863 AddCXXSynthetic( 864 cpp_category_sp, 865 lldb_private::formatters::StdlibCoroutineHandleSyntheticFrontEndCreator, 866 "coroutine_handle synthetic children", libcxx_std_coroutine_handle_regex, 867 stl_deref_flags, true); 868 869 stl_summary_flags.SetDontShowChildren(false); 870 stl_summary_flags.SetSkipPointers(false); 871 AddCXXSummary( 872 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 873 "libc++ std::bitset summary provider", 874 "^std::__[[:alnum:]]+::bitset<.+>(( )?&)?$", stl_summary_flags, true); 875 AddCXXSummary( 876 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 877 "libc++ std::vector summary provider", 878 "^std::__[[:alnum:]]+::vector<.+>(( )?&)?$", stl_summary_flags, true); 879 AddCXXSummary(cpp_category_sp, 880 lldb_private::formatters::LibcxxContainerSummaryProvider, 881 "libc++ std::list summary provider", 882 "^std::__[[:alnum:]]+::forward_list<.+>(( )?&)?$", 883 stl_summary_flags, true); 884 AddCXXSummary( 885 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 886 "libc++ std::list summary provider", 887 // A POSIX variant of: "^std::__(?!cxx11:)[[:alnum:]]+::list<.+>(( )?&)?$" 888 // so that it does not clash with: "^std::(__cxx11::)?list<.+>(( )?&)?$" 889 "^std::__([A-Zabd-z0-9]|cx?[A-Za-wyz0-9]|cxx1?[A-Za-z02-9]|" 890 "cxx11[[:alnum:]])[[:alnum:]]*::list<.+>(( )?&)?$", 891 stl_summary_flags, true); 892 AddCXXSummary( 893 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 894 "libc++ std::map summary provider", 895 "^std::__[[:alnum:]]+::map<.+>(( )?&)?$", stl_summary_flags, true); 896 AddCXXSummary( 897 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 898 "libc++ std::deque summary provider", 899 "^std::__[[:alnum:]]+::deque<.+>(( )?&)?$", stl_summary_flags, true); 900 AddCXXSummary( 901 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 902 "libc++ std::queue summary provider", 903 "^std::__[[:alnum:]]+::queue<.+>(( )?&)?$", stl_summary_flags, true); 904 AddCXXSummary( 905 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 906 "libc++ std::set summary provider", 907 "^std::__[[:alnum:]]+::set<.+>(( )?&)?$", stl_summary_flags, true); 908 AddCXXSummary( 909 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 910 "libc++ std::multiset summary provider", 911 "^std::__[[:alnum:]]+::multiset<.+>(( )?&)?$", stl_summary_flags, true); 912 AddCXXSummary( 913 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 914 "libc++ std::multimap summary provider", 915 "^std::__[[:alnum:]]+::multimap<.+>(( )?&)?$", stl_summary_flags, true); 916 AddCXXSummary(cpp_category_sp, 917 lldb_private::formatters::LibcxxContainerSummaryProvider, 918 "libc++ std::unordered containers summary provider", 919 "^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$", 920 stl_summary_flags, true); 921 AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider, 922 "libc++ std::tuple summary provider", 923 "^std::__[[:alnum:]]+::tuple<.*>(( )?&)?$", stl_summary_flags, 924 true); 925 AddCXXSummary(cpp_category_sp, 926 lldb_private::formatters::LibCxxAtomicSummaryProvider, 927 "libc++ std::atomic summary provider", 928 "^std::__[[:alnum:]]+::atomic<.+>$", stl_summary_flags, true); 929 AddCXXSummary( 930 cpp_category_sp, lldb_private::formatters::GenericOptionalSummaryProvider, 931 "libc++ std::optional summary provider", 932 "^std::__[[:alnum:]]+::optional<.+>(( )?&)?$", stl_summary_flags, true); 933 AddCXXSummary( 934 cpp_category_sp, lldb_private::formatters::LibcxxVariantSummaryProvider, 935 "libc++ std::variant summary provider", 936 "^std::__[[:alnum:]]+::variant<.+>(( )?&)?$", stl_summary_flags, true); 937 AddCXXSummary( 938 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 939 "libc++ std::span summary provider", 940 "^std::__[[:alnum:]]+::span<.+>(( )?&)?$", stl_summary_flags, true); 941 942 stl_summary_flags.SetSkipPointers(true); 943 944 AddCXXSummary(cpp_category_sp, 945 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 946 "libc++ std::shared_ptr summary provider", 947 "^std::__[[:alnum:]]+::shared_ptr<.+>(( )?&)?$", 948 stl_summary_flags, true); 949 AddCXXSummary(cpp_category_sp, 950 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 951 "libc++ std::weak_ptr summary provider", 952 "^std::__[[:alnum:]]+::weak_ptr<.+>(( )?&)?$", 953 stl_summary_flags, true); 954 AddCXXSummary(cpp_category_sp, 955 lldb_private::formatters::LibcxxUniquePointerSummaryProvider, 956 "libc++ std::unique_ptr summary provider", 957 libcxx_std_unique_ptr_regex, stl_summary_flags, true); 958 959 AddCXXSummary(cpp_category_sp, 960 lldb_private::formatters::StdlibCoroutineHandleSummaryProvider, 961 "libc++ std::coroutine_handle summary provider", 962 libcxx_std_coroutine_handle_regex, stl_summary_flags, true); 963 964 AddCXXSynthetic( 965 cpp_category_sp, 966 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, 967 "std::vector iterator synthetic children", 968 "^std::__[[:alnum:]]+::__wrap_iter<.+>$", stl_synth_flags, true); 969 970 AddCXXSynthetic( 971 cpp_category_sp, 972 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, 973 "std::map iterator synthetic children", 974 "^std::__[[:alnum:]]+::__map_(const_)?iterator<.+>$", stl_synth_flags, 975 true); 976 977 AddCXXSynthetic(cpp_category_sp, 978 lldb_private::formatters:: 979 LibCxxUnorderedMapIteratorSyntheticFrontEndCreator, 980 "std::unordered_map iterator synthetic children", 981 "^std::__[[:alnum:]]+::__hash_map_(const_)?iterator<.+>$", 982 stl_synth_flags, true); 983 // Chrono duration typedefs 984 cpp_category_sp->AddTypeSummary( 985 "^std::__[[:alnum:]]+::chrono::nanoseconds", eFormatterMatchRegex, 986 TypeSummaryImplSP(new StringSummaryFormat( 987 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} ns"))); 988 cpp_category_sp->AddTypeSummary( 989 "^std::__[[:alnum:]]+::chrono::microseconds", eFormatterMatchRegex, 990 TypeSummaryImplSP(new StringSummaryFormat( 991 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} µs"))); 992 cpp_category_sp->AddTypeSummary( 993 "^std::__[[:alnum:]]+::chrono::milliseconds", eFormatterMatchRegex, 994 TypeSummaryImplSP(new StringSummaryFormat( 995 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} ms"))); 996 cpp_category_sp->AddTypeSummary( 997 "^std::__[[:alnum:]]+::chrono::seconds", eFormatterMatchRegex, 998 TypeSummaryImplSP(new StringSummaryFormat( 999 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} s"))); 1000 cpp_category_sp->AddTypeSummary( 1001 "^std::__[[:alnum:]]+::chrono::minutes", eFormatterMatchRegex, 1002 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1003 eTypeOptionHideValue, 1004 "${var.__rep_} min"))); 1005 cpp_category_sp->AddTypeSummary( 1006 "^std::__[[:alnum:]]+::chrono::hours", eFormatterMatchRegex, 1007 TypeSummaryImplSP(new StringSummaryFormat( 1008 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} h"))); 1009 1010 cpp_category_sp->AddTypeSummary( 1011 "^std::__[[:alnum:]]+::chrono::days", eFormatterMatchRegex, 1012 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1013 eTypeOptionHideValue, 1014 "${var.__rep_} days"))); 1015 cpp_category_sp->AddTypeSummary( 1016 "^std::__[[:alnum:]]+::chrono::weeks", eFormatterMatchRegex, 1017 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1018 eTypeOptionHideValue, 1019 "${var.__rep_} weeks"))); 1020 cpp_category_sp->AddTypeSummary( 1021 "^std::__[[:alnum:]]+::chrono::months", eFormatterMatchRegex, 1022 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1023 eTypeOptionHideValue, 1024 "${var.__rep_} months"))); 1025 cpp_category_sp->AddTypeSummary( 1026 "^std::__[[:alnum:]]+::chrono::years", eFormatterMatchRegex, 1027 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1028 eTypeOptionHideValue, 1029 "${var.__rep_} years"))); 1030 cpp_category_sp->AddTypeSummary( 1031 "^std::__[[:alnum:]]+::chrono::seconds", eFormatterMatchRegex, 1032 TypeSummaryImplSP(new StringSummaryFormat( 1033 eTypeOptionHideChildren | eTypeOptionHideValue, "${var.__rep_} s"))); 1034 1035 // Chrono calendar types 1036 1037 cpp_category_sp->AddTypeSummary( 1038 "^std::__[[:alnum:]]+::chrono::day$", eFormatterMatchRegex, 1039 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1040 eTypeOptionHideValue, 1041 "day=${var.__d_%u}"))); 1042 AddCXXSummary(cpp_category_sp, 1043 lldb_private::formatters::LibcxxChronoMonthSummaryProvider, 1044 "libc++ std::chrono::month summary provider", 1045 "^std::__[[:alnum:]]+::chrono::month$", 1046 eTypeOptionHideChildren | eTypeOptionHideValue, true); 1047 1048 cpp_category_sp->AddTypeSummary( 1049 "^std::__[[:alnum:]]+::chrono::year$", eFormatterMatchRegex, 1050 TypeSummaryImplSP(new StringSummaryFormat( 1051 eTypeOptionHideChildren | eTypeOptionHideValue, "year=${var.__y_}"))); 1052 1053 cpp_category_sp->AddTypeSummary( 1054 "^std::__[[:alnum:]]+::chrono::month_day$", eFormatterMatchRegex, 1055 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1056 eTypeOptionHideValue, 1057 "${var.__m_} ${var.__d_}"))); 1058 cpp_category_sp->AddTypeSummary( 1059 "^std::__[[:alnum:]]+::chrono::month_day_last$", eFormatterMatchRegex, 1060 TypeSummaryImplSP(new StringSummaryFormat(eTypeOptionHideChildren | 1061 eTypeOptionHideValue, 1062 "${var.__m_} day=last"))); 1063 AddCXXSummary( 1064 cpp_category_sp, 1065 lldb_private::formatters::LibcxxChronoYearMonthDaySummaryProvider, 1066 "libc++ std::chrono::year_month_day summary provider", 1067 "^std::__[[:alnum:]]+::chrono::year_month_day$", 1068 eTypeOptionHideChildren | eTypeOptionHideValue, true); 1069 } 1070 1071 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 1072 if (!cpp_category_sp) 1073 return; 1074 1075 TypeSummaryImpl::Flags stl_summary_flags; 1076 stl_summary_flags.SetCascades(true) 1077 .SetSkipPointers(false) 1078 .SetSkipReferences(false) 1079 .SetDontShowChildren(true) 1080 .SetDontShowValue(true) 1081 .SetShowMembersOneLiner(false) 1082 .SetHideItemNames(false); 1083 1084 lldb::TypeSummaryImplSP std_string_summary_sp( 1085 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}")); 1086 1087 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat( 1088 stl_summary_flags, LibStdcppStringSummaryProvider, 1089 "libstdc++ c++11 std::string summary provider")); 1090 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat( 1091 stl_summary_flags, LibStdcppWStringSummaryProvider, 1092 "libstdc++ c++11 std::wstring summary provider")); 1093 1094 cpp_category_sp->AddTypeSummary("std::string", eFormatterMatchExact, 1095 std_string_summary_sp); 1096 cpp_category_sp->AddTypeSummary("std::basic_string<char>", 1097 eFormatterMatchExact, std_string_summary_sp); 1098 cpp_category_sp->AddTypeSummary( 1099 "std::basic_string<char,std::char_traits<char>,std::allocator<char> >", 1100 eFormatterMatchExact, std_string_summary_sp); 1101 cpp_category_sp->AddTypeSummary( 1102 "std::basic_string<char, std::char_traits<char>, std::allocator<char> >", 1103 eFormatterMatchExact, std_string_summary_sp); 1104 1105 cpp_category_sp->AddTypeSummary("std::__cxx11::string", eFormatterMatchExact, 1106 cxx11_string_summary_sp); 1107 cpp_category_sp->AddTypeSummary( 1108 "std::__cxx11::basic_string<char, std::char_traits<char>, " 1109 "std::allocator<char> >", 1110 eFormatterMatchExact, cxx11_string_summary_sp); 1111 cpp_category_sp->AddTypeSummary("std::__cxx11::basic_string<unsigned char, " 1112 "std::char_traits<unsigned char>, " 1113 "std::allocator<unsigned char> >", 1114 eFormatterMatchExact, 1115 cxx11_string_summary_sp); 1116 1117 // making sure we force-pick the summary for printing wstring (_M_p is a 1118 // wchar_t*) 1119 lldb::TypeSummaryImplSP std_wstring_summary_sp( 1120 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}")); 1121 1122 cpp_category_sp->AddTypeSummary("std::wstring", eFormatterMatchExact, 1123 std_wstring_summary_sp); 1124 cpp_category_sp->AddTypeSummary("std::basic_string<wchar_t>", 1125 eFormatterMatchExact, std_wstring_summary_sp); 1126 cpp_category_sp->AddTypeSummary("std::basic_string<wchar_t,std::char_traits<" 1127 "wchar_t>,std::allocator<wchar_t> >", 1128 eFormatterMatchExact, std_wstring_summary_sp); 1129 cpp_category_sp->AddTypeSummary( 1130 "std::basic_string<wchar_t, std::char_traits<wchar_t>, " 1131 "std::allocator<wchar_t> >", 1132 eFormatterMatchExact, std_wstring_summary_sp); 1133 1134 cpp_category_sp->AddTypeSummary("std::__cxx11::wstring", eFormatterMatchExact, 1135 cxx11_wstring_summary_sp); 1136 cpp_category_sp->AddTypeSummary( 1137 "std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, " 1138 "std::allocator<wchar_t> >", 1139 eFormatterMatchExact, cxx11_wstring_summary_sp); 1140 1141 SyntheticChildren::Flags stl_synth_flags; 1142 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 1143 false); 1144 SyntheticChildren::Flags stl_deref_flags = stl_synth_flags; 1145 stl_deref_flags.SetFrontEndWantsDereference(); 1146 1147 cpp_category_sp->AddTypeSynthetic( 1148 "^std::vector<.+>(( )?&)?$", eFormatterMatchRegex, 1149 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1150 stl_synth_flags, 1151 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 1152 cpp_category_sp->AddTypeSynthetic( 1153 "^std::map<.+> >(( )?&)?$", eFormatterMatchRegex, 1154 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1155 stl_synth_flags, 1156 "lldb.formatters.cpp.gnu_libstdcpp.StdMapLikeSynthProvider"))); 1157 cpp_category_sp->AddTypeSynthetic( 1158 "^std::deque<.+>(( )?&)?$", eFormatterMatchRegex, 1159 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1160 stl_deref_flags, 1161 "lldb.formatters.cpp.gnu_libstdcpp.StdDequeSynthProvider"))); 1162 cpp_category_sp->AddTypeSynthetic( 1163 "^std::set<.+> >(( )?&)?$", eFormatterMatchRegex, 1164 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1165 stl_deref_flags, 1166 "lldb.formatters.cpp.gnu_libstdcpp.StdMapLikeSynthProvider"))); 1167 cpp_category_sp->AddTypeSynthetic( 1168 "^std::multimap<.+> >(( )?&)?$", eFormatterMatchRegex, 1169 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1170 stl_deref_flags, 1171 "lldb.formatters.cpp.gnu_libstdcpp.StdMapLikeSynthProvider"))); 1172 cpp_category_sp->AddTypeSynthetic( 1173 "^std::multiset<.+> >(( )?&)?$", eFormatterMatchRegex, 1174 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1175 stl_deref_flags, 1176 "lldb.formatters.cpp.gnu_libstdcpp.StdMapLikeSynthProvider"))); 1177 cpp_category_sp->AddTypeSynthetic( 1178 "^std::unordered_(multi)?(map|set)<.+> >$", eFormatterMatchRegex, 1179 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1180 stl_deref_flags, 1181 "lldb.formatters.cpp.gnu_libstdcpp.StdUnorderedMapSynthProvider"))); 1182 cpp_category_sp->AddTypeSynthetic( 1183 "^std::(__cxx11::)?list<.+>(( )?&)?$", eFormatterMatchRegex, 1184 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1185 stl_deref_flags, 1186 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 1187 cpp_category_sp->AddTypeSynthetic( 1188 "^std::(__cxx11::)?forward_list<.+>(( )?&)?$", eFormatterMatchRegex, 1189 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1190 stl_synth_flags, 1191 "lldb.formatters.cpp.gnu_libstdcpp.StdForwardListSynthProvider"))); 1192 cpp_category_sp->AddTypeSynthetic( 1193 "^std::variant<.+>$", eFormatterMatchRegex, 1194 SyntheticChildrenSP(new ScriptedSyntheticChildren( 1195 stl_synth_flags, 1196 "lldb.formatters.cpp.gnu_libstdcpp.VariantSynthProvider"))); 1197 1198 stl_summary_flags.SetDontShowChildren(false); 1199 stl_summary_flags.SetSkipPointers(false); 1200 cpp_category_sp->AddTypeSummary("^std::bitset<.+>(( )?&)?$", 1201 eFormatterMatchRegex, 1202 TypeSummaryImplSP(new StringSummaryFormat( 1203 stl_summary_flags, "size=${svar%#}"))); 1204 cpp_category_sp->AddTypeSummary("^std::vector<.+>(( )?&)?$", 1205 eFormatterMatchRegex, 1206 TypeSummaryImplSP(new StringSummaryFormat( 1207 stl_summary_flags, "size=${svar%#}"))); 1208 cpp_category_sp->AddTypeSummary("^std::map<.+> >(( )?&)?$", 1209 eFormatterMatchRegex, 1210 TypeSummaryImplSP(new StringSummaryFormat( 1211 stl_summary_flags, "size=${svar%#}"))); 1212 cpp_category_sp->AddTypeSummary("^std::set<.+> >(( )?&)?$", 1213 eFormatterMatchRegex, 1214 TypeSummaryImplSP(new StringSummaryFormat( 1215 stl_summary_flags, "size=${svar%#}"))); 1216 cpp_category_sp->AddTypeSummary("^std::deque<.+>(( )?&)?$", 1217 eFormatterMatchRegex, 1218 TypeSummaryImplSP(new StringSummaryFormat( 1219 stl_summary_flags, "size=${svar%#}"))); 1220 cpp_category_sp->AddTypeSummary("^std::multimap<.+> >(( )?&)?$", 1221 eFormatterMatchRegex, 1222 TypeSummaryImplSP(new StringSummaryFormat( 1223 stl_summary_flags, "size=${svar%#}"))); 1224 cpp_category_sp->AddTypeSummary("^std::multiset<.+> >(( )?&)?$", 1225 eFormatterMatchRegex, 1226 TypeSummaryImplSP(new StringSummaryFormat( 1227 stl_summary_flags, "size=${svar%#}"))); 1228 cpp_category_sp->AddTypeSummary("^std::unordered_(multi)?(map|set)<.+> >$", 1229 eFormatterMatchRegex, 1230 TypeSummaryImplSP(new StringSummaryFormat( 1231 stl_summary_flags, "size=${svar%#}"))); 1232 cpp_category_sp->AddTypeSummary("^std::(__cxx11::)?list<.+>(( )?&)?$", 1233 eFormatterMatchRegex, 1234 TypeSummaryImplSP(new StringSummaryFormat( 1235 stl_summary_flags, "size=${svar%#}"))); 1236 cpp_category_sp->AddTypeSummary( 1237 "^std::(__cxx11::)?forward_list<.+>(( )?&)?$", eFormatterMatchRegex, 1238 TypeSummaryImplSP(new ScriptSummaryFormat( 1239 stl_summary_flags, 1240 "lldb.formatters.cpp.gnu_libstdcpp.ForwardListSummaryProvider"))); 1241 cpp_category_sp->AddTypeSummary( 1242 "^std::variant<.+>$", eFormatterMatchRegex, 1243 TypeSummaryImplSP(new ScriptSummaryFormat( 1244 stl_summary_flags, 1245 "lldb.formatters.cpp.gnu_libstdcpp.VariantSummaryProvider"))); 1246 1247 AddCXXSynthetic( 1248 cpp_category_sp, 1249 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, 1250 "std::vector iterator synthetic children", 1251 "^__gnu_cxx::__normal_iterator<.+>$", stl_synth_flags, true); 1252 1253 AddCXXSynthetic( 1254 cpp_category_sp, 1255 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, 1256 "std::map iterator synthetic children", "^std::_Rb_tree_iterator<.+>$", 1257 stl_synth_flags, true); 1258 1259 AddCXXSynthetic( 1260 cpp_category_sp, 1261 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator, 1262 "std::unique_ptr synthetic children", "^std::unique_ptr<.+>(( )?&)?$", 1263 stl_synth_flags, true); 1264 AddCXXSynthetic( 1265 cpp_category_sp, 1266 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 1267 "std::shared_ptr synthetic children", "^std::shared_ptr<.+>(( )?&)?$", 1268 stl_synth_flags, true); 1269 AddCXXSynthetic( 1270 cpp_category_sp, 1271 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 1272 "std::weak_ptr synthetic children", "^std::weak_ptr<.+>(( )?&)?$", 1273 stl_synth_flags, true); 1274 AddCXXSynthetic( 1275 cpp_category_sp, 1276 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, 1277 "std::tuple synthetic children", "^std::tuple<.+>(( )?&)?$", 1278 stl_synth_flags, true); 1279 1280 static constexpr const char *const libstdcpp_std_coroutine_handle_regex = 1281 "^std::coroutine_handle<.+>(( )?&)?$"; 1282 AddCXXSynthetic( 1283 cpp_category_sp, 1284 lldb_private::formatters::StdlibCoroutineHandleSyntheticFrontEndCreator, 1285 "std::coroutine_handle synthetic children", 1286 libstdcpp_std_coroutine_handle_regex, stl_deref_flags, true); 1287 1288 AddCXXSynthetic( 1289 cpp_category_sp, 1290 lldb_private::formatters::LibStdcppBitsetSyntheticFrontEndCreator, 1291 "std::bitset synthetic child", "^std::bitset<.+>(( )?&)?$", 1292 stl_deref_flags, true); 1293 1294 AddCXXSynthetic( 1295 cpp_category_sp, 1296 lldb_private::formatters::LibStdcppOptionalSyntheticFrontEndCreator, 1297 "std::optional synthetic child", "^std::optional<.+>(( )?&)?$", 1298 stl_deref_flags, true); 1299 1300 AddCXXSummary(cpp_category_sp, 1301 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider, 1302 "libstdc++ std::unique_ptr summary provider", 1303 "^std::unique_ptr<.+>(( )?&)?$", stl_summary_flags, true); 1304 AddCXXSummary(cpp_category_sp, 1305 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 1306 "libstdc++ std::shared_ptr summary provider", 1307 "^std::shared_ptr<.+>(( )?&)?$", stl_summary_flags, true); 1308 AddCXXSummary(cpp_category_sp, 1309 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 1310 "libstdc++ std::weak_ptr summary provider", 1311 "^std::weak_ptr<.+>(( )?&)?$", stl_summary_flags, true); 1312 AddCXXSummary(cpp_category_sp, 1313 lldb_private::formatters::StdlibCoroutineHandleSummaryProvider, 1314 "libstdc++ std::coroutine_handle summary provider", 1315 libstdcpp_std_coroutine_handle_regex, stl_summary_flags, true); 1316 AddCXXSummary(cpp_category_sp, 1317 lldb_private::formatters::GenericOptionalSummaryProvider, 1318 "libstd++ std::optional summary provider", 1319 "^std::optional<.+>(( )?&)?$", stl_summary_flags, true); 1320 } 1321 1322 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 1323 if (!cpp_category_sp) 1324 return; 1325 1326 TypeSummaryImpl::Flags string_flags; 1327 string_flags.SetCascades(true) 1328 .SetSkipPointers(true) 1329 .SetSkipReferences(false) 1330 .SetDontShowChildren(true) 1331 .SetDontShowValue(false) 1332 .SetShowMembersOneLiner(false) 1333 .SetHideItemNames(false); 1334 1335 TypeSummaryImpl::Flags string_array_flags; 1336 string_array_flags.SetCascades(true) 1337 .SetSkipPointers(true) 1338 .SetSkipReferences(false) 1339 .SetDontShowChildren(true) 1340 .SetDontShowValue(true) 1341 .SetShowMembersOneLiner(false) 1342 .SetHideItemNames(false); 1343 1344 AddCXXSummary(cpp_category_sp, 1345 lldb_private::formatters::Char8StringSummaryProvider, 1346 "char8_t * summary provider", "char8_t *", string_flags); 1347 AddCXXSummary(cpp_category_sp, 1348 lldb_private::formatters::Char8StringSummaryProvider, 1349 "char8_t [] summary provider", "char8_t ?\\[[0-9]+\\]", 1350 string_array_flags, true); 1351 1352 AddCXXSummary(cpp_category_sp, 1353 lldb_private::formatters::Char16StringSummaryProvider, 1354 "char16_t * summary provider", "char16_t *", string_flags); 1355 AddCXXSummary(cpp_category_sp, 1356 lldb_private::formatters::Char16StringSummaryProvider, 1357 "char16_t [] summary provider", "char16_t ?\\[[0-9]+\\]", 1358 string_array_flags, true); 1359 1360 AddCXXSummary(cpp_category_sp, 1361 lldb_private::formatters::Char32StringSummaryProvider, 1362 "char32_t * summary provider", "char32_t *", string_flags); 1363 AddCXXSummary(cpp_category_sp, 1364 lldb_private::formatters::Char32StringSummaryProvider, 1365 "char32_t [] summary provider", "char32_t ?\\[[0-9]+\\]", 1366 string_array_flags, true); 1367 1368 AddCXXSummary(cpp_category_sp, 1369 lldb_private::formatters::WCharStringSummaryProvider, 1370 "wchar_t * summary provider", "wchar_t *", string_flags); 1371 AddCXXSummary(cpp_category_sp, 1372 lldb_private::formatters::WCharStringSummaryProvider, 1373 "wchar_t * summary provider", "wchar_t ?\\[[0-9]+\\]", 1374 string_array_flags, true); 1375 1376 AddCXXSummary(cpp_category_sp, 1377 lldb_private::formatters::Char16StringSummaryProvider, 1378 "unichar * summary provider", "unichar *", string_flags); 1379 1380 TypeSummaryImpl::Flags widechar_flags; 1381 widechar_flags.SetDontShowValue(true) 1382 .SetSkipPointers(true) 1383 .SetSkipReferences(false) 1384 .SetCascades(true) 1385 .SetDontShowChildren(true) 1386 .SetHideItemNames(true) 1387 .SetShowMembersOneLiner(false); 1388 1389 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char8SummaryProvider, 1390 "char8_t summary provider", "char8_t", widechar_flags); 1391 AddCXXSummary(cpp_category_sp, 1392 lldb_private::formatters::Char16SummaryProvider, 1393 "char16_t summary provider", "char16_t", widechar_flags); 1394 AddCXXSummary(cpp_category_sp, 1395 lldb_private::formatters::Char32SummaryProvider, 1396 "char32_t summary provider", "char32_t", widechar_flags); 1397 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, 1398 "wchar_t summary provider", "wchar_t", widechar_flags); 1399 1400 AddCXXSummary(cpp_category_sp, 1401 lldb_private::formatters::Char16SummaryProvider, 1402 "unichar summary provider", "unichar", widechar_flags); 1403 } 1404 1405 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() { 1406 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger { 1407 public: 1408 CompilerType AdjustForInclusion(CompilerType &candidate) override { 1409 LanguageType lang_type(candidate.GetMinimumLanguage()); 1410 if (!Language::LanguageIsC(lang_type) && 1411 !Language::LanguageIsCPlusPlus(lang_type)) 1412 return CompilerType(); 1413 if (candidate.IsTypedefType()) 1414 return candidate.GetTypedefedType(); 1415 return candidate; 1416 } 1417 }; 1418 1419 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger()); 1420 } 1421 1422 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() { 1423 static llvm::once_flag g_initialize; 1424 static TypeCategoryImplSP g_category; 1425 1426 llvm::call_once(g_initialize, [this]() -> void { 1427 DataVisualization::Categories::GetCategory(ConstString(GetPluginName()), 1428 g_category); 1429 if (g_category) { 1430 LoadLibStdcppFormatters(g_category); 1431 LoadLibCxxFormatters(g_category); 1432 LoadSystemFormatters(g_category); 1433 } 1434 }); 1435 return g_category; 1436 } 1437 1438 HardcodedFormatters::HardcodedSummaryFinder 1439 CPlusPlusLanguage::GetHardcodedSummaries() { 1440 static llvm::once_flag g_initialize; 1441 static ConstString g_vectortypes("VectorTypes"); 1442 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 1443 1444 llvm::call_once(g_initialize, []() -> void { 1445 g_formatters.push_back( 1446 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1447 FormatManager &) -> TypeSummaryImpl::SharedPointer { 1448 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1449 new CXXFunctionSummaryFormat( 1450 TypeSummaryImpl::Flags(), 1451 lldb_private::formatters::CXXFunctionPointerSummaryProvider, 1452 "Function pointer summary provider")); 1453 if (CompilerType CT = valobj.GetCompilerType(); 1454 CT.IsFunctionPointerType() || CT.IsMemberFunctionPointerType() || 1455 valobj.GetValueType() == lldb::eValueTypeVTableEntry) { 1456 return formatter_sp; 1457 } 1458 return nullptr; 1459 }); 1460 g_formatters.push_back( 1461 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1462 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1463 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1464 new CXXFunctionSummaryFormat( 1465 TypeSummaryImpl::Flags() 1466 .SetCascades(true) 1467 .SetDontShowChildren(true) 1468 .SetHideItemNames(true) 1469 .SetShowMembersOneLiner(true) 1470 .SetSkipPointers(true) 1471 .SetSkipReferences(false), 1472 lldb_private::formatters::VectorTypeSummaryProvider, 1473 "vector_type pointer summary provider")); 1474 if (valobj.GetCompilerType().IsVectorType()) { 1475 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1476 return formatter_sp; 1477 } 1478 return nullptr; 1479 }); 1480 g_formatters.push_back( 1481 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1482 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1483 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1484 new CXXFunctionSummaryFormat( 1485 TypeSummaryImpl::Flags() 1486 .SetCascades(true) 1487 .SetDontShowChildren(true) 1488 .SetHideItemNames(true) 1489 .SetShowMembersOneLiner(true) 1490 .SetSkipPointers(true) 1491 .SetSkipReferences(false), 1492 lldb_private::formatters::BlockPointerSummaryProvider, 1493 "block pointer summary provider")); 1494 if (valobj.GetCompilerType().IsBlockPointerType()) { 1495 return formatter_sp; 1496 } 1497 return nullptr; 1498 }); 1499 }); 1500 1501 return g_formatters; 1502 } 1503 1504 HardcodedFormatters::HardcodedSyntheticFinder 1505 CPlusPlusLanguage::GetHardcodedSynthetics() { 1506 static llvm::once_flag g_initialize; 1507 static ConstString g_vectortypes("VectorTypes"); 1508 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 1509 1510 llvm::call_once(g_initialize, []() -> void { 1511 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1512 lldb::DynamicValueType, FormatManager &fmt_mgr) 1513 -> SyntheticChildren::SharedPointer { 1514 static CXXSyntheticChildren::SharedPointer formatter_sp( 1515 new CXXSyntheticChildren( 1516 SyntheticChildren::Flags() 1517 .SetCascades(true) 1518 .SetSkipPointers(true) 1519 .SetSkipReferences(true) 1520 .SetNonCacheable(true), 1521 "vector_type synthetic children", 1522 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 1523 if (valobj.GetCompilerType().IsVectorType()) { 1524 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1525 return formatter_sp; 1526 } 1527 return nullptr; 1528 }); 1529 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1530 lldb::DynamicValueType, FormatManager &fmt_mgr) 1531 -> SyntheticChildren::SharedPointer { 1532 static CXXSyntheticChildren::SharedPointer formatter_sp( 1533 new CXXSyntheticChildren( 1534 SyntheticChildren::Flags() 1535 .SetCascades(true) 1536 .SetSkipPointers(true) 1537 .SetSkipReferences(true) 1538 .SetNonCacheable(true), 1539 "block pointer synthetic children", 1540 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 1541 if (valobj.GetCompilerType().IsBlockPointerType()) { 1542 return formatter_sp; 1543 } 1544 return nullptr; 1545 }); 1546 }); 1547 1548 return g_formatters; 1549 } 1550 1551 bool CPlusPlusLanguage::IsNilReference(ValueObject &valobj) { 1552 if (!Language::LanguageIsCPlusPlus(valobj.GetObjectRuntimeLanguage()) || 1553 !valobj.IsPointerType()) 1554 return false; 1555 bool canReadValue = true; 1556 bool isZero = valobj.GetValueAsUnsigned(0, &canReadValue) == 0; 1557 return canReadValue && isZero; 1558 } 1559 1560 bool CPlusPlusLanguage::IsSourceFile(llvm::StringRef file_path) const { 1561 const auto suffixes = {".cpp", ".cxx", ".c++", ".cc", ".c", 1562 ".h", ".hh", ".hpp", ".hxx", ".h++"}; 1563 for (auto suffix : suffixes) { 1564 if (file_path.ends_with_insensitive(suffix)) 1565 return true; 1566 } 1567 1568 // Check if we're in a STL path (where the files usually have no extension 1569 // that we could check for. 1570 return file_path.contains("/usr/include/c++/"); 1571 } 1572 1573 bool CPlusPlusLanguage::GetFunctionDisplayName( 1574 const SymbolContext *sc, const ExecutionContext *exe_ctx, 1575 FunctionNameRepresentation representation, Stream &s) { 1576 switch (representation) { 1577 case FunctionNameRepresentation::eNameWithArgs: { 1578 // Print the function name with arguments in it 1579 if (sc->function) { 1580 ExecutionContextScope *exe_scope = 1581 exe_ctx ? exe_ctx->GetBestExecutionContextScope() : nullptr; 1582 const char *cstr = sc->function->GetName().AsCString(nullptr); 1583 if (cstr) { 1584 const InlineFunctionInfo *inline_info = nullptr; 1585 VariableListSP variable_list_sp; 1586 bool get_function_vars = true; 1587 if (sc->block) { 1588 Block *inline_block = sc->block->GetContainingInlinedBlock(); 1589 1590 if (inline_block) { 1591 get_function_vars = false; 1592 inline_info = sc->block->GetInlinedFunctionInfo(); 1593 if (inline_info) 1594 variable_list_sp = inline_block->GetBlockVariableList(true); 1595 } 1596 } 1597 1598 if (get_function_vars) { 1599 variable_list_sp = 1600 sc->function->GetBlock(true).GetBlockVariableList(true); 1601 } 1602 1603 if (inline_info) { 1604 s.PutCString(cstr); 1605 s.PutCString(" [inlined] "); 1606 cstr = inline_info->GetName().GetCString(); 1607 } 1608 1609 VariableList args; 1610 if (variable_list_sp) 1611 variable_list_sp->AppendVariablesWithScope(eValueTypeVariableArgument, 1612 args); 1613 if (args.GetSize() > 0) { 1614 if (!PrettyPrintFunctionNameWithArgs(s, cstr, exe_scope, args)) 1615 return false; 1616 } else { 1617 s.PutCString(cstr); 1618 } 1619 return true; 1620 } 1621 } else if (sc->symbol) { 1622 const char *cstr = sc->symbol->GetName().AsCString(nullptr); 1623 if (cstr) { 1624 s.PutCString(cstr); 1625 return true; 1626 } 1627 } 1628 } break; 1629 default: 1630 return false; 1631 } 1632 1633 return false; 1634 } 1635