1 //===-- CPlusPlusLanguage.cpp -----------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "CPlusPlusLanguage.h" 11 12 // C Includes 13 #include <cctype> 14 #include <cstring> 15 16 // C++ Includes 17 #include <functional> 18 #include <memory> 19 #include <mutex> 20 #include <set> 21 22 // Other libraries and framework includes 23 #include "llvm/ADT/StringRef.h" 24 25 // Project includes 26 #include "lldb/Core/PluginManager.h" 27 #include "lldb/Core/UniqueCStringMap.h" 28 #include "lldb/DataFormatters/CXXFunctionPointer.h" 29 #include "lldb/DataFormatters/DataVisualization.h" 30 #include "lldb/DataFormatters/FormattersHelpers.h" 31 #include "lldb/DataFormatters/VectorType.h" 32 #include "lldb/Utility/ConstString.h" 33 #include "lldb/Utility/FastDemangle.h" 34 #include "lldb/Utility/Log.h" 35 #include "lldb/Utility/RegularExpression.h" 36 37 #include "BlockPointer.h" 38 #include "CPlusPlusNameParser.h" 39 #include "CxxStringTypes.h" 40 #include "LibCxx.h" 41 #include "LibCxxAtomic.h" 42 #include "LibStdcpp.h" 43 44 using namespace lldb; 45 using namespace lldb_private; 46 using namespace lldb_private::formatters; 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 //------------------------------------------------------------------ 63 // PluginInterface protocol 64 //------------------------------------------------------------------ 65 66 lldb_private::ConstString CPlusPlusLanguage::GetPluginName() { 67 return GetPluginNameStatic(); 68 } 69 70 uint32_t CPlusPlusLanguage::GetPluginVersion() { return 1; } 71 72 //------------------------------------------------------------------ 73 // Static Functions 74 //------------------------------------------------------------------ 75 76 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) { 77 if (Language::LanguageIsCPlusPlus(language)) 78 return new CPlusPlusLanguage(); 79 return nullptr; 80 } 81 82 void CPlusPlusLanguage::MethodName::Clear() { 83 m_full.Clear(); 84 m_basename = llvm::StringRef(); 85 m_context = llvm::StringRef(); 86 m_arguments = llvm::StringRef(); 87 m_qualifiers = llvm::StringRef(); 88 m_parsed = false; 89 m_parse_error = false; 90 } 91 92 static bool ReverseFindMatchingChars(const llvm::StringRef &s, 93 const llvm::StringRef &left_right_chars, 94 size_t &left_pos, size_t &right_pos, 95 size_t pos = llvm::StringRef::npos) { 96 assert(left_right_chars.size() == 2); 97 left_pos = llvm::StringRef::npos; 98 const char left_char = left_right_chars[0]; 99 const char right_char = left_right_chars[1]; 100 pos = s.find_last_of(left_right_chars, pos); 101 if (pos == llvm::StringRef::npos || s[pos] == left_char) 102 return false; 103 right_pos = pos; 104 uint32_t depth = 1; 105 while (pos > 0 && depth > 0) { 106 pos = s.find_last_of(left_right_chars, pos); 107 if (pos == llvm::StringRef::npos) 108 return false; 109 if (s[pos] == left_char) { 110 if (--depth == 0) { 111 left_pos = pos; 112 return left_pos < right_pos; 113 } 114 } else if (s[pos] == right_char) { 115 ++depth; 116 } 117 } 118 return false; 119 } 120 121 static bool IsTrivialBasename(const llvm::StringRef &basename) { 122 // Check that the basename matches with the following regular expression 123 // "^~?([A-Za-z_][A-Za-z_0-9]*)$" 124 // We are using a hand written implementation because it is significantly more 125 // efficient then 126 // using the general purpose regular expression library. 127 size_t idx = 0; 128 if (basename.size() > 0 && basename[0] == '~') 129 idx = 1; 130 131 if (basename.size() <= idx) 132 return false; // Empty string or "~" 133 134 if (!std::isalpha(basename[idx]) && basename[idx] != '_') 135 return false; // First charater (after removing the possible '~'') isn't in 136 // [A-Za-z_] 137 138 // Read all characters matching [A-Za-z_0-9] 139 ++idx; 140 while (idx < basename.size()) { 141 if (!std::isalnum(basename[idx]) && basename[idx] != '_') 142 break; 143 ++idx; 144 } 145 146 // We processed all characters. It is a vaild basename. 147 if (idx == basename.size()) 148 return true; 149 150 return false; 151 } 152 153 bool CPlusPlusLanguage::MethodName::TrySimplifiedParse() { 154 // This method tries to parse simple method definitions 155 // which are presumably most comman in user programs. 156 // Definitions that can be parsed by this function don't have return types 157 // and templates in the name. 158 // A::B::C::fun(std::vector<T> &) const 159 size_t arg_start, arg_end; 160 llvm::StringRef full(m_full.GetCString()); 161 llvm::StringRef parens("()", 2); 162 if (ReverseFindMatchingChars(full, parens, arg_start, arg_end)) { 163 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 164 if (arg_end + 1 < full.size()) 165 m_qualifiers = full.substr(arg_end + 1).ltrim(); 166 167 if (arg_start == 0) 168 return false; 169 size_t basename_end = arg_start; 170 size_t context_start = 0; 171 size_t context_end = full.rfind(':', basename_end); 172 if (context_end == llvm::StringRef::npos) 173 m_basename = full.substr(0, basename_end); 174 else { 175 if (context_start < context_end) 176 m_context = full.substr(context_start, context_end - 1 - context_start); 177 const size_t basename_begin = context_end + 1; 178 m_basename = full.substr(basename_begin, basename_end - basename_begin); 179 } 180 181 if (IsTrivialBasename(m_basename)) { 182 return true; 183 } else { 184 // The C++ basename doesn't match our regular expressions so this can't 185 // be a valid C++ method, clear everything out and indicate an error 186 m_context = llvm::StringRef(); 187 m_basename = llvm::StringRef(); 188 m_arguments = llvm::StringRef(); 189 m_qualifiers = llvm::StringRef(); 190 return false; 191 } 192 } 193 return false; 194 } 195 196 void CPlusPlusLanguage::MethodName::Parse() { 197 if (!m_parsed && m_full) { 198 if (TrySimplifiedParse()) { 199 m_parse_error = false; 200 } else { 201 CPlusPlusNameParser parser(m_full.GetStringRef()); 202 if (auto function = parser.ParseAsFunctionDefinition()) { 203 m_basename = function.getValue().name.basename; 204 m_context = function.getValue().name.context; 205 m_arguments = function.getValue().arguments; 206 m_qualifiers = function.getValue().qualifiers; 207 m_parse_error = false; 208 } else { 209 m_parse_error = true; 210 } 211 } 212 m_parsed = true; 213 } 214 } 215 216 llvm::StringRef CPlusPlusLanguage::MethodName::GetBasename() { 217 if (!m_parsed) 218 Parse(); 219 return m_basename; 220 } 221 222 llvm::StringRef CPlusPlusLanguage::MethodName::GetContext() { 223 if (!m_parsed) 224 Parse(); 225 return m_context; 226 } 227 228 llvm::StringRef CPlusPlusLanguage::MethodName::GetArguments() { 229 if (!m_parsed) 230 Parse(); 231 return m_arguments; 232 } 233 234 llvm::StringRef CPlusPlusLanguage::MethodName::GetQualifiers() { 235 if (!m_parsed) 236 Parse(); 237 return m_qualifiers; 238 } 239 240 std::string CPlusPlusLanguage::MethodName::GetScopeQualifiedName() { 241 if (!m_parsed) 242 Parse(); 243 if (m_context.empty()) 244 return m_basename; 245 246 std::string res; 247 res += m_context; 248 res += "::"; 249 res += m_basename; 250 return res; 251 } 252 253 bool CPlusPlusLanguage::IsCPPMangledName(const char *name) { 254 // FIXME, we should really run through all the known C++ Language plugins and 255 // ask each one if 256 // this is a C++ mangled name, but we can put that off till there is actually 257 // more than one 258 // we care about. 259 260 return (name != nullptr && name[0] == '_' && name[1] == 'Z'); 261 } 262 263 bool CPlusPlusLanguage::ExtractContextAndIdentifier( 264 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) { 265 CPlusPlusNameParser parser(name); 266 if (auto full_name = parser.ParseAsFullName()) { 267 identifier = full_name.getValue().basename; 268 context = full_name.getValue().context; 269 return true; 270 } 271 return false; 272 } 273 274 class CPPRuntimeEquivalents { 275 public: 276 CPPRuntimeEquivalents() { 277 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, " 278 "std::allocator<char> >") 279 .GetStringRef(), 280 ConstString("basic_string<char>")); 281 282 // these two (with a prefixed std::) occur when c++stdlib string class 283 // occurs as a template argument in some STL container 284 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, " 285 "std::allocator<char> >") 286 .GetStringRef(), 287 ConstString("std::basic_string<char>")); 288 289 m_impl.Sort(); 290 } 291 292 void Add(ConstString &type_name, ConstString &type_equivalent) { 293 m_impl.Insert(type_name.GetStringRef(), type_equivalent); 294 } 295 296 uint32_t FindExactMatches(ConstString &type_name, 297 std::vector<ConstString> &equivalents) { 298 uint32_t count = 0; 299 300 for (ImplData match = 301 m_impl.FindFirstValueForName(type_name.GetStringRef()); 302 match != nullptr; match = m_impl.FindNextValueForName(match)) { 303 equivalents.push_back(match->value); 304 count++; 305 } 306 307 return count; 308 } 309 310 // partial matches can occur when a name with equivalents is a template 311 // argument. 312 // e.g. we may have "class Foo" be a match for "struct Bar". if we have a 313 // typename 314 // such as "class Templatized<class Foo, Anything>" we want this to be 315 // replaced with 316 // "class Templatized<struct Bar, Anything>". Since partial matching is time 317 // consuming 318 // once we get a partial match, we add it to the exact matches list for faster 319 // retrieval 320 uint32_t FindPartialMatches(ConstString &type_name, 321 std::vector<ConstString> &equivalents) { 322 uint32_t count = 0; 323 324 llvm::StringRef type_name_cstr = type_name.GetStringRef(); 325 326 size_t items_count = m_impl.GetSize(); 327 328 for (size_t item = 0; item < items_count; item++) { 329 llvm::StringRef key_cstr = m_impl.GetCStringAtIndex(item); 330 if (type_name_cstr.contains(key_cstr)) { 331 count += AppendReplacements(type_name_cstr, key_cstr, equivalents); 332 } 333 } 334 335 return count; 336 } 337 338 private: 339 std::string &replace(std::string &target, std::string &pattern, 340 std::string &with) { 341 size_t pos; 342 size_t pattern_len = pattern.size(); 343 344 while ((pos = target.find(pattern)) != std::string::npos) 345 target.replace(pos, pattern_len, with); 346 347 return target; 348 } 349 350 uint32_t AppendReplacements(llvm::StringRef original, 351 llvm::StringRef matching_key, 352 std::vector<ConstString> &equivalents) { 353 std::string matching_key_str(matching_key); 354 ConstString original_const(original); 355 356 uint32_t count = 0; 357 358 for (ImplData match = m_impl.FindFirstValueForName(matching_key); 359 match != nullptr; match = m_impl.FindNextValueForName(match)) { 360 std::string target(original); 361 std::string equiv_class(match->value.AsCString()); 362 363 replace(target, matching_key_str, equiv_class); 364 365 ConstString target_const(target.c_str()); 366 367 // you will most probably want to leave this off since it might make this map 368 // grow indefinitely 369 #ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW 370 Add(original_const, target_const); 371 #endif 372 equivalents.push_back(target_const); 373 374 count++; 375 } 376 377 return count; 378 } 379 380 typedef UniqueCStringMap<ConstString> Impl; 381 typedef const Impl::Entry *ImplData; 382 Impl m_impl; 383 }; 384 385 static CPPRuntimeEquivalents &GetEquivalentsMap() { 386 static CPPRuntimeEquivalents g_equivalents_map; 387 return g_equivalents_map; 388 } 389 390 uint32_t 391 CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, 392 std::vector<ConstString> &equivalents) { 393 uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents); 394 395 bool might_have_partials = 396 (count == 0) // if we have a full name match just use it 397 && (strchr(type_name.AsCString(), '<') != 398 nullptr // we should only have partial matches when templates are 399 // involved, check that we have 400 && strchr(type_name.AsCString(), '>') != nullptr); // angle brackets 401 // in the type_name 402 // before trying to 403 // scan for partial 404 // matches 405 406 if (might_have_partials) 407 count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents); 408 409 return count; 410 } 411 412 /// Given a mangled function `mangled`, replace all the primitive function type 413 /// arguments of `search` with type `replace`. 414 static ConstString SubsPrimitiveParmItanium(llvm::StringRef mangled, 415 llvm::StringRef search, 416 llvm::StringRef replace) { 417 Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE); 418 419 const size_t max_len = 420 mangled.size() + mangled.count(search) * replace.size() + 1; 421 422 // Make a temporary buffer to fix up the mangled parameter types and copy the 423 // original there 424 std::string output_buf; 425 output_buf.reserve(max_len); 426 output_buf.insert(0, mangled.str()); 427 ptrdiff_t replaced_offset = 0; 428 429 auto swap_parms_hook = [&](const char *parsee) { 430 if (!parsee || !*parsee) 431 return; 432 433 // Check whether we've found a substitutee 434 llvm::StringRef s(parsee); 435 if (s.startswith(search)) { 436 // account for the case where a replacement is of a different length to 437 // the original 438 replaced_offset += replace.size() - search.size(); 439 440 ptrdiff_t replace_idx = (mangled.size() - s.size()) + replaced_offset; 441 output_buf.erase(replace_idx, search.size()); 442 output_buf.insert(replace_idx, replace.str()); 443 } 444 }; 445 446 // FastDemangle will call our hook for each instance of a primitive type, 447 // allowing us to perform substitution 448 const char *const demangled = 449 FastDemangle(mangled.str().c_str(), mangled.size(), swap_parms_hook); 450 451 if (log) 452 log->Printf("substituted mangling for %s:{%s} %s:{%s}\n", 453 mangled.str().c_str(), demangled, output_buf.c_str(), 454 FastDemangle(output_buf.c_str())); 455 456 return output_buf == mangled ? ConstString() : ConstString(output_buf); 457 } 458 459 uint32_t CPlusPlusLanguage::FindAlternateFunctionManglings( 460 const ConstString mangled_name, std::set<ConstString> &alternates) { 461 const auto start_size = alternates.size(); 462 /// Get a basic set of alternative manglings for the given symbol `name`, by 463 /// making a few basic possible substitutions on basic types, storage duration 464 /// and `const`ness for the given symbol. The output parameter `alternates` 465 /// is filled with a best-guess, non-exhaustive set of different manglings 466 /// for the given name. 467 468 // Maybe we're looking for a const symbol but the debug info told us it was 469 // non-const... 470 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) && 471 strncmp(mangled_name.GetCString(), "_ZNK", 4)) { 472 std::string fixed_scratch("_ZNK"); 473 fixed_scratch.append(mangled_name.GetCString() + 3); 474 alternates.insert(ConstString(fixed_scratch)); 475 } 476 477 // Maybe we're looking for a static symbol but we thought it was global... 478 if (!strncmp(mangled_name.GetCString(), "_Z", 2) && 479 strncmp(mangled_name.GetCString(), "_ZL", 3)) { 480 std::string fixed_scratch("_ZL"); 481 fixed_scratch.append(mangled_name.GetCString() + 2); 482 alternates.insert(ConstString(fixed_scratch)); 483 } 484 485 // `char` is implementation defined as either `signed` or `unsigned`. As a 486 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed 487 // char, 'h'-unsigned char. If we're looking for symbols with a signed char 488 // parameter, try finding matches which have the general case 'c'. 489 if (ConstString char_fixup = 490 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "a", "c")) 491 alternates.insert(char_fixup); 492 493 // long long parameter mangling 'x', may actually just be a long 'l' argument 494 if (ConstString long_fixup = 495 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "x", "l")) 496 alternates.insert(long_fixup); 497 498 // unsigned long long parameter mangling 'y', may actually just be unsigned 499 // long 'm' argument 500 if (ConstString ulong_fixup = 501 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "y", "m")) 502 alternates.insert(ulong_fixup); 503 504 return alternates.size() - start_size; 505 } 506 507 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 508 if (!cpp_category_sp) 509 return; 510 511 TypeSummaryImpl::Flags stl_summary_flags; 512 stl_summary_flags.SetCascades(true) 513 .SetSkipPointers(false) 514 .SetSkipReferences(false) 515 .SetDontShowChildren(true) 516 .SetDontShowValue(true) 517 .SetShowMembersOneLiner(false) 518 .SetHideItemNames(false); 519 520 #ifndef LLDB_DISABLE_PYTHON 521 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat( 522 stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider, 523 "std::string summary provider")); 524 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat( 525 stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, 526 "std::wstring summary provider")); 527 528 cpp_category_sp->GetTypeSummariesContainer()->Add( 529 ConstString("std::__1::string"), std_string_summary_sp); 530 cpp_category_sp->GetTypeSummariesContainer()->Add( 531 ConstString("std::__ndk1::string"), std_string_summary_sp); 532 cpp_category_sp->GetTypeSummariesContainer()->Add( 533 ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, " 534 "std::__1::allocator<char> >"), 535 std_string_summary_sp); 536 cpp_category_sp->GetTypeSummariesContainer()->Add( 537 ConstString("std::__ndk1::basic_string<char, " 538 "std::__ndk1::char_traits<char>, " 539 "std::__ndk1::allocator<char> >"), 540 std_string_summary_sp); 541 542 cpp_category_sp->GetTypeSummariesContainer()->Add( 543 ConstString("std::__1::wstring"), std_wstring_summary_sp); 544 cpp_category_sp->GetTypeSummariesContainer()->Add( 545 ConstString("std::__ndk1::wstring"), std_wstring_summary_sp); 546 cpp_category_sp->GetTypeSummariesContainer()->Add( 547 ConstString("std::__1::basic_string<wchar_t, " 548 "std::__1::char_traits<wchar_t>, " 549 "std::__1::allocator<wchar_t> >"), 550 std_wstring_summary_sp); 551 cpp_category_sp->GetTypeSummariesContainer()->Add( 552 ConstString("std::__ndk1::basic_string<wchar_t, " 553 "std::__ndk1::char_traits<wchar_t>, " 554 "std::__ndk1::allocator<wchar_t> >"), 555 std_wstring_summary_sp); 556 557 SyntheticChildren::Flags stl_synth_flags; 558 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 559 false); 560 561 AddCXXSynthetic( 562 cpp_category_sp, 563 lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, 564 "libc++ std::vector<bool> synthetic children", 565 ConstString( 566 "^std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >$"), 567 stl_synth_flags, true); 568 AddCXXSynthetic( 569 cpp_category_sp, 570 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, 571 "libc++ std::vector synthetic children", 572 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_synth_flags, 573 true); 574 AddCXXSynthetic( 575 cpp_category_sp, 576 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, 577 "libc++ std::list synthetic children", 578 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_synth_flags, true); 579 AddCXXSynthetic( 580 cpp_category_sp, 581 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 582 "libc++ std::map synthetic children", 583 ConstString("^std::__(ndk)?1::map<.+> >(( )?&)?$"), stl_synth_flags, 584 true); 585 AddCXXSynthetic( 586 cpp_category_sp, 587 lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, 588 "libc++ std::vector<bool> synthetic children", 589 ConstString("std::__(ndk)?1::vector<std::__(ndk)?1::allocator<bool> >"), 590 stl_synth_flags, true); 591 AddCXXSynthetic( 592 cpp_category_sp, 593 lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, 594 "libc++ std::vector<bool> synthetic children", 595 ConstString( 596 "std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), 597 stl_synth_flags, true); 598 AddCXXSynthetic( 599 cpp_category_sp, 600 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 601 "libc++ std::set synthetic children", 602 ConstString("^std::__(ndk)?1::set<.+> >(( )?&)?$"), stl_synth_flags, 603 true); 604 AddCXXSynthetic( 605 cpp_category_sp, 606 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 607 "libc++ std::multiset synthetic children", 608 ConstString("^std::__(ndk)?1::multiset<.+> >(( )?&)?$"), stl_synth_flags, 609 true); 610 AddCXXSynthetic( 611 cpp_category_sp, 612 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, 613 "libc++ std::multimap synthetic children", 614 ConstString("^std::__(ndk)?1::multimap<.+> >(( )?&)?$"), stl_synth_flags, 615 true); 616 AddCXXSynthetic( 617 cpp_category_sp, 618 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, 619 "libc++ std::unordered containers synthetic children", 620 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 621 stl_synth_flags, true); 622 AddCXXSynthetic( 623 cpp_category_sp, 624 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, 625 "libc++ std::initializer_list synthetic children", 626 ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, 627 true); 628 AddCXXSynthetic( 629 cpp_category_sp, 630 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, 631 "libc++ std::atomic synthetic children", 632 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_synth_flags, true); 633 634 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 635 RegularExpressionSP(new RegularExpression( 636 llvm::StringRef("^(std::__(ndk)?1::)deque<.+>(( )?&)?$"))), 637 SyntheticChildrenSP(new ScriptedSyntheticChildren( 638 stl_synth_flags, 639 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 640 641 AddCXXSynthetic( 642 cpp_category_sp, 643 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 644 "shared_ptr synthetic children", 645 ConstString("^(std::__(ndk)?1::)shared_ptr<.+>(( )?&)?$"), 646 stl_synth_flags, true); 647 AddCXXSynthetic( 648 cpp_category_sp, 649 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, 650 "weak_ptr synthetic children", 651 ConstString("^(std::__(ndk)?1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, 652 true); 653 654 stl_summary_flags.SetDontShowChildren(false); 655 stl_summary_flags.SetSkipPointers(false); 656 AddCXXSummary( 657 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 658 "libc++ std::vector<bool> summary provider", 659 ConstString( 660 "std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), 661 stl_summary_flags, true); 662 AddCXXSummary(cpp_category_sp, 663 lldb_private::formatters::LibcxxContainerSummaryProvider, 664 "libc++ std::vector summary provider", 665 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), 666 stl_summary_flags, true); 667 AddCXXSummary(cpp_category_sp, 668 lldb_private::formatters::LibcxxContainerSummaryProvider, 669 "libc++ std::list summary provider", 670 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), 671 stl_summary_flags, true); 672 AddCXXSummary(cpp_category_sp, 673 lldb_private::formatters::LibcxxContainerSummaryProvider, 674 "libc++ std::map summary provider", 675 ConstString("^std::__(ndk)?1::map<.+>(( )?&)?$"), 676 stl_summary_flags, true); 677 AddCXXSummary(cpp_category_sp, 678 lldb_private::formatters::LibcxxContainerSummaryProvider, 679 "libc++ std::deque summary provider", 680 ConstString("^std::__(ndk)?1::deque<.+>(( )?&)?$"), 681 stl_summary_flags, true); 682 AddCXXSummary(cpp_category_sp, 683 lldb_private::formatters::LibcxxContainerSummaryProvider, 684 "libc++ std::set summary provider", 685 ConstString("^std::__(ndk)?1::set<.+>(( )?&)?$"), 686 stl_summary_flags, true); 687 AddCXXSummary(cpp_category_sp, 688 lldb_private::formatters::LibcxxContainerSummaryProvider, 689 "libc++ std::multiset summary provider", 690 ConstString("^std::__(ndk)?1::multiset<.+>(( )?&)?$"), 691 stl_summary_flags, true); 692 AddCXXSummary(cpp_category_sp, 693 lldb_private::formatters::LibcxxContainerSummaryProvider, 694 "libc++ std::multimap summary provider", 695 ConstString("^std::__(ndk)?1::multimap<.+>(( )?&)?$"), 696 stl_summary_flags, true); 697 AddCXXSummary( 698 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 699 "libc++ std::unordered containers summary provider", 700 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), 701 stl_summary_flags, true); 702 AddCXXSummary( 703 cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, 704 "libc++ std::atomic summary provider", 705 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_summary_flags, true); 706 707 stl_summary_flags.SetSkipPointers(true); 708 709 AddCXXSummary(cpp_category_sp, 710 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 711 "libc++ std::shared_ptr summary provider", 712 ConstString("^std::__(ndk)?1::shared_ptr<.+>(( )?&)?$"), 713 stl_summary_flags, true); 714 AddCXXSummary(cpp_category_sp, 715 lldb_private::formatters::LibcxxSmartPointerSummaryProvider, 716 "libc++ std::weak_ptr summary provider", 717 ConstString("^std::__(ndk)?1::weak_ptr<.+>(( )?&)?$"), 718 stl_summary_flags, true); 719 720 AddCXXSynthetic( 721 cpp_category_sp, 722 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, 723 "std::vector iterator synthetic children", 724 ConstString("^std::__(ndk)?1::__wrap_iter<.+>$"), stl_synth_flags, true); 725 726 AddCXXSummary( 727 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, 728 "libc++ std::vector<bool> summary provider", 729 ConstString( 730 "std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), 731 stl_summary_flags, true); 732 AddCXXSynthetic( 733 cpp_category_sp, 734 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, 735 "std::map iterator synthetic children", 736 ConstString("^std::__(ndk)?1::__map_iterator<.+>$"), stl_synth_flags, 737 true); 738 739 AddCXXSynthetic( 740 cpp_category_sp, lldb_private::formatters::LibcxxFunctionFrontEndCreator, 741 "std::function synthetic value provider", 742 ConstString("^std::__1::function<.+>$"), stl_synth_flags, true); 743 #endif 744 } 745 746 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 747 if (!cpp_category_sp) 748 return; 749 750 TypeSummaryImpl::Flags stl_summary_flags; 751 stl_summary_flags.SetCascades(true) 752 .SetSkipPointers(false) 753 .SetSkipReferences(false) 754 .SetDontShowChildren(true) 755 .SetDontShowValue(true) 756 .SetShowMembersOneLiner(false) 757 .SetHideItemNames(false); 758 759 lldb::TypeSummaryImplSP std_string_summary_sp( 760 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}")); 761 762 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat( 763 stl_summary_flags, LibStdcppStringSummaryProvider, 764 "libstdc++ c++11 std::string summary provider")); 765 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat( 766 stl_summary_flags, LibStdcppWStringSummaryProvider, 767 "libstdc++ c++11 std::wstring summary provider")); 768 769 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 770 std_string_summary_sp); 771 cpp_category_sp->GetTypeSummariesContainer()->Add( 772 ConstString("std::basic_string<char>"), std_string_summary_sp); 773 cpp_category_sp->GetTypeSummariesContainer()->Add( 774 ConstString("std::basic_string<char,std::char_traits<char>,std::" 775 "allocator<char> >"), 776 std_string_summary_sp); 777 cpp_category_sp->GetTypeSummariesContainer()->Add( 778 ConstString("std::basic_string<char, std::char_traits<char>, " 779 "std::allocator<char> >"), 780 std_string_summary_sp); 781 782 cpp_category_sp->GetTypeSummariesContainer()->Add( 783 ConstString("std::__cxx11::string"), cxx11_string_summary_sp); 784 cpp_category_sp->GetTypeSummariesContainer()->Add( 785 ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, " 786 "std::allocator<char> >"), 787 cxx11_string_summary_sp); 788 789 // making sure we force-pick the summary for printing wstring (_M_p is a 790 // wchar_t*) 791 lldb::TypeSummaryImplSP std_wstring_summary_sp( 792 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}")); 793 794 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 795 std_wstring_summary_sp); 796 cpp_category_sp->GetTypeSummariesContainer()->Add( 797 ConstString("std::basic_string<wchar_t>"), std_wstring_summary_sp); 798 cpp_category_sp->GetTypeSummariesContainer()->Add( 799 ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::" 800 "allocator<wchar_t> >"), 801 std_wstring_summary_sp); 802 cpp_category_sp->GetTypeSummariesContainer()->Add( 803 ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, " 804 "std::allocator<wchar_t> >"), 805 std_wstring_summary_sp); 806 807 cpp_category_sp->GetTypeSummariesContainer()->Add( 808 ConstString("std::__cxx11::wstring"), cxx11_wstring_summary_sp); 809 cpp_category_sp->GetTypeSummariesContainer()->Add( 810 ConstString("std::__cxx11::basic_string<wchar_t, " 811 "std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 812 cxx11_wstring_summary_sp); 813 814 #ifndef LLDB_DISABLE_PYTHON 815 816 SyntheticChildren::Flags stl_synth_flags; 817 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences( 818 false); 819 820 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 821 RegularExpressionSP( 822 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 823 SyntheticChildrenSP(new ScriptedSyntheticChildren( 824 stl_synth_flags, 825 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 826 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 827 RegularExpressionSP( 828 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 829 SyntheticChildrenSP(new ScriptedSyntheticChildren( 830 stl_synth_flags, 831 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 832 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add( 833 RegularExpressionSP(new RegularExpression( 834 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 835 SyntheticChildrenSP(new ScriptedSyntheticChildren( 836 stl_synth_flags, 837 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 838 stl_summary_flags.SetDontShowChildren(false); 839 stl_summary_flags.SetSkipPointers(true); 840 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 841 RegularExpressionSP( 842 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))), 843 TypeSummaryImplSP( 844 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 845 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 846 RegularExpressionSP( 847 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))), 848 TypeSummaryImplSP( 849 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 850 cpp_category_sp->GetRegexTypeSummariesContainer()->Add( 851 RegularExpressionSP(new RegularExpression( 852 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))), 853 TypeSummaryImplSP( 854 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}"))); 855 856 AddCXXSynthetic( 857 cpp_category_sp, 858 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, 859 "std::vector iterator synthetic children", 860 ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 861 862 AddCXXSynthetic( 863 cpp_category_sp, 864 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, 865 "std::map iterator synthetic children", 866 ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 867 868 AddCXXSynthetic( 869 cpp_category_sp, 870 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator, 871 "std::unique_ptr synthetic children", 872 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 873 AddCXXSynthetic( 874 cpp_category_sp, 875 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 876 "std::shared_ptr synthetic children", 877 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 878 AddCXXSynthetic( 879 cpp_category_sp, 880 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 881 "std::weak_ptr synthetic children", 882 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 883 AddCXXSynthetic( 884 cpp_category_sp, 885 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, 886 "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"), 887 stl_synth_flags, true); 888 889 AddCXXSummary(cpp_category_sp, 890 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider, 891 "libstdc++ std::unique_ptr summary provider", 892 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_summary_flags, 893 true); 894 AddCXXSummary(cpp_category_sp, 895 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 896 "libstdc++ std::shared_ptr summary provider", 897 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, 898 true); 899 AddCXXSummary(cpp_category_sp, 900 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 901 "libstdc++ std::weak_ptr summary provider", 902 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, 903 true); 904 #endif 905 } 906 907 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { 908 if (!cpp_category_sp) 909 return; 910 911 TypeSummaryImpl::Flags string_flags; 912 string_flags.SetCascades(true) 913 .SetSkipPointers(true) 914 .SetSkipReferences(false) 915 .SetDontShowChildren(true) 916 .SetDontShowValue(false) 917 .SetShowMembersOneLiner(false) 918 .SetHideItemNames(false); 919 920 TypeSummaryImpl::Flags string_array_flags; 921 string_array_flags.SetCascades(true) 922 .SetSkipPointers(true) 923 .SetSkipReferences(false) 924 .SetDontShowChildren(true) 925 .SetDontShowValue(true) 926 .SetShowMembersOneLiner(false) 927 .SetHideItemNames(false); 928 929 #ifndef LLDB_DISABLE_PYTHON 930 // FIXME because of a bug in the FormattersContainer we need to add a summary 931 // for both X* and const X* (<rdar://problem/12717717>) 932 AddCXXSummary( 933 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 934 "char16_t * summary provider", ConstString("char16_t *"), string_flags); 935 AddCXXSummary(cpp_category_sp, 936 lldb_private::formatters::Char16StringSummaryProvider, 937 "char16_t [] summary provider", 938 ConstString("char16_t \\[[0-9]+\\]"), string_array_flags, true); 939 940 AddCXXSummary( 941 cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, 942 "char32_t * summary provider", ConstString("char32_t *"), string_flags); 943 AddCXXSummary(cpp_category_sp, 944 lldb_private::formatters::Char32StringSummaryProvider, 945 "char32_t [] summary provider", 946 ConstString("char32_t \\[[0-9]+\\]"), string_array_flags, true); 947 948 AddCXXSummary( 949 cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, 950 "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 951 AddCXXSummary(cpp_category_sp, 952 lldb_private::formatters::WCharStringSummaryProvider, 953 "wchar_t * summary provider", 954 ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 955 956 AddCXXSummary( 957 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, 958 "unichar * summary provider", ConstString("unichar *"), string_flags); 959 960 TypeSummaryImpl::Flags widechar_flags; 961 widechar_flags.SetDontShowValue(true) 962 .SetSkipPointers(true) 963 .SetSkipReferences(false) 964 .SetCascades(true) 965 .SetDontShowChildren(true) 966 .SetHideItemNames(true) 967 .SetShowMembersOneLiner(false); 968 969 AddCXXSummary( 970 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 971 "char16_t summary provider", ConstString("char16_t"), widechar_flags); 972 AddCXXSummary( 973 cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, 974 "char32_t summary provider", ConstString("char32_t"), widechar_flags); 975 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, 976 "wchar_t summary provider", ConstString("wchar_t"), 977 widechar_flags); 978 979 AddCXXSummary( 980 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, 981 "unichar summary provider", ConstString("unichar"), widechar_flags); 982 #endif 983 } 984 985 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() { 986 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger { 987 public: 988 virtual CompilerType AdjustForInclusion(CompilerType &candidate) override { 989 LanguageType lang_type(candidate.GetMinimumLanguage()); 990 if (!Language::LanguageIsC(lang_type) && 991 !Language::LanguageIsCPlusPlus(lang_type)) 992 return CompilerType(); 993 if (candidate.IsTypedefType()) 994 return candidate.GetTypedefedType(); 995 return candidate; 996 } 997 }; 998 999 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger()); 1000 } 1001 1002 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() { 1003 static llvm::once_flag g_initialize; 1004 static TypeCategoryImplSP g_category; 1005 1006 llvm::call_once(g_initialize, [this]() -> void { 1007 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 1008 if (g_category) { 1009 LoadLibCxxFormatters(g_category); 1010 LoadLibStdcppFormatters(g_category); 1011 LoadSystemFormatters(g_category); 1012 } 1013 }); 1014 return g_category; 1015 } 1016 1017 HardcodedFormatters::HardcodedSummaryFinder 1018 CPlusPlusLanguage::GetHardcodedSummaries() { 1019 static llvm::once_flag g_initialize; 1020 static ConstString g_vectortypes("VectorTypes"); 1021 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 1022 1023 llvm::call_once(g_initialize, []() -> void { 1024 g_formatters.push_back( 1025 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1026 FormatManager &) -> TypeSummaryImpl::SharedPointer { 1027 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1028 new CXXFunctionSummaryFormat( 1029 TypeSummaryImpl::Flags(), 1030 lldb_private::formatters::CXXFunctionPointerSummaryProvider, 1031 "Function pointer summary provider")); 1032 if (valobj.GetCompilerType().IsFunctionPointerType()) { 1033 return formatter_sp; 1034 } 1035 return nullptr; 1036 }); 1037 g_formatters.push_back( 1038 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1039 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1040 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1041 new CXXFunctionSummaryFormat( 1042 TypeSummaryImpl::Flags() 1043 .SetCascades(true) 1044 .SetDontShowChildren(true) 1045 .SetHideItemNames(true) 1046 .SetShowMembersOneLiner(true) 1047 .SetSkipPointers(true) 1048 .SetSkipReferences(false), 1049 lldb_private::formatters::VectorTypeSummaryProvider, 1050 "vector_type pointer summary provider")); 1051 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1052 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1053 return formatter_sp; 1054 } 1055 return nullptr; 1056 }); 1057 g_formatters.push_back( 1058 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType, 1059 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer { 1060 static CXXFunctionSummaryFormat::SharedPointer formatter_sp( 1061 new CXXFunctionSummaryFormat( 1062 TypeSummaryImpl::Flags() 1063 .SetCascades(true) 1064 .SetDontShowChildren(true) 1065 .SetHideItemNames(true) 1066 .SetShowMembersOneLiner(true) 1067 .SetSkipPointers(true) 1068 .SetSkipReferences(false), 1069 lldb_private::formatters::BlockPointerSummaryProvider, 1070 "block pointer summary provider")); 1071 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1072 return formatter_sp; 1073 } 1074 return nullptr; 1075 }); 1076 }); 1077 1078 return g_formatters; 1079 } 1080 1081 HardcodedFormatters::HardcodedSyntheticFinder 1082 CPlusPlusLanguage::GetHardcodedSynthetics() { 1083 static llvm::once_flag g_initialize; 1084 static ConstString g_vectortypes("VectorTypes"); 1085 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 1086 1087 llvm::call_once(g_initialize, []() -> void { 1088 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1089 lldb::DynamicValueType, 1090 FormatManager & 1091 fmt_mgr) -> SyntheticChildren::SharedPointer { 1092 static CXXSyntheticChildren::SharedPointer formatter_sp( 1093 new CXXSyntheticChildren( 1094 SyntheticChildren::Flags() 1095 .SetCascades(true) 1096 .SetSkipPointers(true) 1097 .SetSkipReferences(true) 1098 .SetNonCacheable(true), 1099 "vector_type synthetic children", 1100 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 1101 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) { 1102 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 1103 return formatter_sp; 1104 } 1105 return nullptr; 1106 }); 1107 g_formatters.push_back([](lldb_private::ValueObject &valobj, 1108 lldb::DynamicValueType, 1109 FormatManager & 1110 fmt_mgr) -> SyntheticChildren::SharedPointer { 1111 static CXXSyntheticChildren::SharedPointer formatter_sp( 1112 new CXXSyntheticChildren( 1113 SyntheticChildren::Flags() 1114 .SetCascades(true) 1115 .SetSkipPointers(true) 1116 .SetSkipReferences(true) 1117 .SetNonCacheable(true), 1118 "block pointer synthetic children", 1119 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 1120 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) { 1121 return formatter_sp; 1122 } 1123 return nullptr; 1124 }); 1125 1126 }); 1127 1128 return g_formatters; 1129 } 1130