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 // C++ Includes 14 #include <cstring> 15 #include <cctype> 16 #include <functional> 17 #include <mutex> 18 19 // Other libraries and framework includes 20 #include "llvm/ADT/StringRef.h" 21 22 // Project includes 23 #include "lldb/Core/ConstString.h" 24 #include "lldb/Core/PluginManager.h" 25 #include "lldb/Core/RegularExpression.h" 26 #include "lldb/Core/UniqueCStringMap.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 32 #include "BlockPointer.h" 33 #include "CxxStringTypes.h" 34 #include "LibCxx.h" 35 #include "LibCxxAtomic.h" 36 #include "LibStdcpp.h" 37 38 using namespace lldb; 39 using namespace lldb_private; 40 using namespace lldb_private::formatters; 41 42 void 43 CPlusPlusLanguage::Initialize() 44 { 45 PluginManager::RegisterPlugin (GetPluginNameStatic(), 46 "C++ Language", 47 CreateInstance); 48 } 49 50 void 51 CPlusPlusLanguage::Terminate() 52 { 53 PluginManager::UnregisterPlugin (CreateInstance); 54 } 55 56 lldb_private::ConstString 57 CPlusPlusLanguage::GetPluginNameStatic() 58 { 59 static ConstString g_name("cplusplus"); 60 return g_name; 61 } 62 63 //------------------------------------------------------------------ 64 // PluginInterface protocol 65 //------------------------------------------------------------------ 66 67 lldb_private::ConstString 68 CPlusPlusLanguage::GetPluginName() 69 { 70 return GetPluginNameStatic(); 71 } 72 73 uint32_t 74 CPlusPlusLanguage::GetPluginVersion() 75 { 76 return 1; 77 } 78 79 //------------------------------------------------------------------ 80 // Static Functions 81 //------------------------------------------------------------------ 82 83 Language * 84 CPlusPlusLanguage::CreateInstance (lldb::LanguageType language) 85 { 86 if (Language::LanguageIsCPlusPlus(language)) 87 return new CPlusPlusLanguage(); 88 return nullptr; 89 } 90 91 void 92 CPlusPlusLanguage::MethodName::Clear() 93 { 94 m_full.Clear(); 95 m_basename = llvm::StringRef(); 96 m_context = llvm::StringRef(); 97 m_arguments = llvm::StringRef(); 98 m_qualifiers = llvm::StringRef(); 99 m_type = eTypeInvalid; 100 m_parsed = false; 101 m_parse_error = false; 102 } 103 104 bool 105 ReverseFindMatchingChars (const llvm::StringRef &s, 106 const llvm::StringRef &left_right_chars, 107 size_t &left_pos, 108 size_t &right_pos, 109 size_t pos = llvm::StringRef::npos) 110 { 111 assert (left_right_chars.size() == 2); 112 left_pos = llvm::StringRef::npos; 113 const char left_char = left_right_chars[0]; 114 const char right_char = left_right_chars[1]; 115 pos = s.find_last_of(left_right_chars, pos); 116 if (pos == llvm::StringRef::npos || s[pos] == left_char) 117 return false; 118 right_pos = pos; 119 uint32_t depth = 1; 120 while (pos > 0 && depth > 0) 121 { 122 pos = s.find_last_of(left_right_chars, pos); 123 if (pos == llvm::StringRef::npos) 124 return false; 125 if (s[pos] == left_char) 126 { 127 if (--depth == 0) 128 { 129 left_pos = pos; 130 return left_pos < right_pos; 131 } 132 } 133 else if (s[pos] == right_char) 134 { 135 ++depth; 136 } 137 } 138 return false; 139 } 140 141 static bool 142 IsValidBasename(const llvm::StringRef& basename) 143 { 144 // Check that the basename matches with the following regular expression or is an operator name: 145 // "^~?([A-Za-z_][A-Za-z_0-9]*)(<.*>)?$" 146 // We are using a hand written implementation because it is significantly more efficient then 147 // using the general purpose regular expression library. 148 size_t idx = 0; 149 if (basename.size() > 0 && basename[0] == '~') 150 idx = 1; 151 152 if (basename.size() <= idx) 153 return false; // Empty string or "~" 154 155 if (!std::isalpha(basename[idx]) && basename[idx] != '_') 156 return false; // First charater (after removing the possible '~'') isn't in [A-Za-z_] 157 158 // Read all characters matching [A-Za-z_0-9] 159 ++idx; 160 while (idx < basename.size()) 161 { 162 if (!std::isalnum(basename[idx]) && basename[idx] != '_') 163 break; 164 ++idx; 165 } 166 167 // We processed all characters. It is a vaild basename. 168 if (idx == basename.size()) 169 return true; 170 171 // Check for basename with template arguments 172 // TODO: Improve the quality of the validation with validating the template arguments 173 if (basename[idx] == '<' && basename.back() == '>') 174 return true; 175 176 // Check if the basename is a vaild C++ operator name 177 if (!basename.startswith("operator")) 178 return false; 179 180 static RegularExpression g_operator_regex("^(operator)( ?)([A-Za-z_][A-Za-z_0-9]*|\\(\\)|\\[\\]|[\\^<>=!\\/*+-]+)(<.*>)?(\\[\\])?$"); 181 std::string basename_str(basename.str()); 182 return g_operator_regex.Execute(basename_str.c_str(), nullptr); 183 } 184 185 void 186 CPlusPlusLanguage::MethodName::Parse() 187 { 188 if (!m_parsed && m_full) 189 { 190 // ConstString mangled; 191 // m_full.GetMangledCounterpart(mangled); 192 // printf ("\n parsing = '%s'\n", m_full.GetCString()); 193 // if (mangled) 194 // printf (" mangled = '%s'\n", mangled.GetCString()); 195 m_parse_error = false; 196 m_parsed = true; 197 llvm::StringRef full (m_full.GetCString()); 198 199 size_t arg_start, arg_end; 200 llvm::StringRef parens("()", 2); 201 if (ReverseFindMatchingChars (full, parens, arg_start, arg_end)) 202 { 203 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 204 if (arg_end + 1 < full.size()) 205 m_qualifiers = full.substr(arg_end + 1); 206 if (arg_start > 0) 207 { 208 size_t basename_end = arg_start; 209 size_t context_start = 0; 210 size_t context_end = llvm::StringRef::npos; 211 if (basename_end > 0 && full[basename_end-1] == '>') 212 { 213 // TODO: handle template junk... 214 // Templated function 215 size_t template_start, template_end; 216 llvm::StringRef lt_gt("<>", 2); 217 if (ReverseFindMatchingChars (full, lt_gt, template_start, template_end, basename_end)) 218 { 219 // Check for templated functions that include return type like: 'void foo<Int>()' 220 context_start = full.rfind(' ', template_start); 221 if (context_start == llvm::StringRef::npos) 222 context_start = 0; 223 224 context_end = full.rfind(':', template_start); 225 if (context_end == llvm::StringRef::npos || context_end < context_start) 226 context_end = context_start; 227 } 228 else 229 { 230 context_end = full.rfind(':', basename_end); 231 } 232 } 233 else if (context_end == llvm::StringRef::npos) 234 { 235 context_end = full.rfind(':', basename_end); 236 } 237 238 if (context_end == llvm::StringRef::npos) 239 m_basename = full.substr(0, basename_end); 240 else 241 { 242 if (context_start < context_end) 243 m_context = full.substr(context_start, context_end - 1); 244 const size_t basename_begin = context_end + 1; 245 m_basename = full.substr(basename_begin, basename_end - basename_begin); 246 } 247 m_type = eTypeUnknownMethod; 248 } 249 else 250 { 251 m_parse_error = true; 252 return; 253 } 254 255 if (!IsValidBasename(m_basename)) 256 { 257 // The C++ basename doesn't match our regular expressions so this can't 258 // be a valid C++ method, clear everything out and indicate an error 259 m_context = llvm::StringRef(); 260 m_basename = llvm::StringRef(); 261 m_arguments = llvm::StringRef(); 262 m_qualifiers = llvm::StringRef(); 263 m_parse_error = true; 264 } 265 } 266 else 267 { 268 m_parse_error = true; 269 } 270 } 271 } 272 273 llvm::StringRef 274 CPlusPlusLanguage::MethodName::GetBasename () 275 { 276 if (!m_parsed) 277 Parse(); 278 return m_basename; 279 } 280 281 llvm::StringRef 282 CPlusPlusLanguage::MethodName::GetContext () 283 { 284 if (!m_parsed) 285 Parse(); 286 return m_context; 287 } 288 289 llvm::StringRef 290 CPlusPlusLanguage::MethodName::GetArguments () 291 { 292 if (!m_parsed) 293 Parse(); 294 return m_arguments; 295 } 296 297 llvm::StringRef 298 CPlusPlusLanguage::MethodName::GetQualifiers () 299 { 300 if (!m_parsed) 301 Parse(); 302 return m_qualifiers; 303 } 304 305 std::string 306 CPlusPlusLanguage::MethodName::GetScopeQualifiedName () 307 { 308 if (!m_parsed) 309 Parse(); 310 if (m_basename.empty() || m_context.empty()) 311 return std::string(); 312 313 std::string res; 314 res += m_context; 315 res += "::"; 316 res += m_basename; 317 318 return res; 319 } 320 321 bool 322 CPlusPlusLanguage::IsCPPMangledName (const char *name) 323 { 324 // FIXME, we should really run through all the known C++ Language plugins and ask each one if 325 // this is a C++ mangled name, but we can put that off till there is actually more than one 326 // we care about. 327 328 return (name != nullptr && name[0] == '_' && name[1] == 'Z'); 329 } 330 331 bool 332 CPlusPlusLanguage::ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier) 333 { 334 static RegularExpression g_basename_regex("^(([A-Za-z_][A-Za-z_0-9]*::)*)(~?[A-Za-z_~][A-Za-z_0-9]*)$"); 335 RegularExpression::Match match(4); 336 if (g_basename_regex.Execute (name, &match)) 337 { 338 match.GetMatchAtIndex(name, 1, context); 339 match.GetMatchAtIndex(name, 3, identifier); 340 return true; 341 } 342 return false; 343 } 344 345 class CPPRuntimeEquivalents 346 { 347 public: 348 CPPRuntimeEquivalents () 349 { 350 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("basic_string<char>")); 351 352 // these two (with a prefixed std::) occur when c++stdlib string class occurs as a template argument in some STL container 353 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("std::basic_string<char>")); 354 355 m_impl.Sort(); 356 } 357 358 void 359 Add (ConstString& type_name, 360 ConstString& type_equivalent) 361 { 362 m_impl.Insert(type_name.AsCString(), type_equivalent); 363 } 364 365 uint32_t 366 FindExactMatches (ConstString& type_name, 367 std::vector<ConstString>& equivalents) 368 { 369 uint32_t count = 0; 370 371 for (ImplData match = m_impl.FindFirstValueForName(type_name.AsCString()); 372 match != nullptr; 373 match = m_impl.FindNextValueForName(match)) 374 { 375 equivalents.push_back(match->value); 376 count++; 377 } 378 379 return count; 380 } 381 382 // partial matches can occur when a name with equivalents is a template argument. 383 // e.g. we may have "class Foo" be a match for "struct Bar". if we have a typename 384 // such as "class Templatized<class Foo, Anything>" we want this to be replaced with 385 // "class Templatized<struct Bar, Anything>". Since partial matching is time consuming 386 // once we get a partial match, we add it to the exact matches list for faster retrieval 387 uint32_t 388 FindPartialMatches (ConstString& type_name, 389 std::vector<ConstString>& equivalents) 390 { 391 uint32_t count = 0; 392 393 const char* type_name_cstr = type_name.AsCString(); 394 395 size_t items_count = m_impl.GetSize(); 396 397 for (size_t item = 0; item < items_count; item++) 398 { 399 const char* key_cstr = m_impl.GetCStringAtIndex(item); 400 if ( strstr(type_name_cstr,key_cstr) ) 401 { 402 count += AppendReplacements(type_name_cstr, 403 key_cstr, 404 equivalents); 405 } 406 } 407 408 return count; 409 } 410 411 private: 412 std::string& replace (std::string& target, 413 std::string& pattern, 414 std::string& with) 415 { 416 size_t pos; 417 size_t pattern_len = pattern.size(); 418 419 while ( (pos = target.find(pattern)) != std::string::npos ) 420 target.replace(pos, pattern_len, with); 421 422 return target; 423 } 424 425 uint32_t 426 AppendReplacements (const char* original, 427 const char *matching_key, 428 std::vector<ConstString>& equivalents) 429 { 430 std::string matching_key_str(matching_key); 431 ConstString original_const(original); 432 433 uint32_t count = 0; 434 435 for (ImplData match = m_impl.FindFirstValueForName(matching_key); 436 match != nullptr; 437 match = m_impl.FindNextValueForName(match)) 438 { 439 std::string target(original); 440 std::string equiv_class(match->value.AsCString()); 441 442 replace (target, matching_key_str, equiv_class); 443 444 ConstString target_const(target.c_str()); 445 446 // you will most probably want to leave this off since it might make this map grow indefinitely 447 #ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW 448 Add(original_const, target_const); 449 #endif 450 equivalents.push_back(target_const); 451 452 count++; 453 } 454 455 return count; 456 } 457 458 typedef UniqueCStringMap<ConstString> Impl; 459 typedef const Impl::Entry* ImplData; 460 Impl m_impl; 461 }; 462 463 static CPPRuntimeEquivalents& 464 GetEquivalentsMap () 465 { 466 static CPPRuntimeEquivalents g_equivalents_map; 467 return g_equivalents_map; 468 } 469 470 uint32_t 471 CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents) 472 { 473 uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents); 474 475 bool might_have_partials= 476 ( count == 0 ) // if we have a full name match just use it 477 && (strchr(type_name.AsCString(), '<') != nullptr // we should only have partial matches when templates are involved, check that we have 478 && strchr(type_name.AsCString(), '>') != nullptr); // angle brackets in the type_name before trying to scan for partial matches 479 480 if ( might_have_partials ) 481 count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents); 482 483 return count; 484 } 485 486 static void 487 LoadLibCxxFormatters (lldb::TypeCategoryImplSP cpp_category_sp) 488 { 489 if (!cpp_category_sp) 490 return; 491 492 TypeSummaryImpl::Flags stl_summary_flags; 493 stl_summary_flags.SetCascades(true) 494 .SetSkipPointers(false) 495 .SetSkipReferences(false) 496 .SetDontShowChildren(true) 497 .SetDontShowValue(true) 498 .SetShowMembersOneLiner(false) 499 .SetHideItemNames(false); 500 501 #ifndef LLDB_DISABLE_PYTHON 502 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider, "std::string summary provider")); 503 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, "std::wstring summary provider")); 504 505 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::string"), 506 std_string_summary_sp); 507 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__ndk1::string"), 508 std_string_summary_sp); 509 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >"), 510 std_string_summary_sp); 511 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char> >"), 512 std_string_summary_sp); 513 514 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::wstring"), 515 std_wstring_summary_sp); 516 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__ndk1::wstring"), 517 std_wstring_summary_sp); 518 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >"), 519 std_wstring_summary_sp); 520 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__ndk1::basic_string<wchar_t, std::__ndk1::char_traits<wchar_t>, std::__ndk1::allocator<wchar_t> >"), 521 std_wstring_summary_sp); 522 523 SyntheticChildren::Flags stl_synth_flags; 524 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 525 526 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("^std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >$"), stl_synth_flags, true); 527 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, "libc++ std::vector synthetic children", ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_synth_flags, true); 528 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, "libc++ std::list synthetic children", ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_synth_flags, true); 529 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::map synthetic children", ConstString("^std::__(ndk)?1::map<.+> >(( )?&)?$"), stl_synth_flags, true); 530 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("std::__(ndk)?1::vector<std::__(ndk)?1::allocator<bool> >"), stl_synth_flags); 531 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), stl_synth_flags); 532 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::set synthetic children", ConstString("^std::__(ndk)?1::set<.+> >(( )?&)?$"), stl_synth_flags, true); 533 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multiset synthetic children", ConstString("^std::__(ndk)?1::multiset<.+> >(( )?&)?$"), stl_synth_flags, true); 534 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multimap synthetic children", ConstString("^std::__(ndk)?1::multimap<.+> >(( )?&)?$"), stl_synth_flags, true); 535 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, "libc++ std::unordered containers synthetic children", ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), stl_synth_flags, true); 536 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, "libc++ std::initializer_list synthetic children", ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, true); 537 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator, "libc++ std::atomic synthetic children", ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_synth_flags, true); 538 539 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^(std::__(ndk)?1::)deque<.+>(( )?&)?$")), 540 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 541 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 542 543 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "shared_ptr synthetic children", ConstString("^(std::__(ndk)?1::)shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 544 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "weak_ptr synthetic children", ConstString("^(std::__(ndk)?1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 545 546 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(false); 547 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), stl_summary_flags, true); 548 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector summary provider", ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_summary_flags, true); 549 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::list summary provider", ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_summary_flags, true); 550 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::map summary provider", ConstString("^std::__(ndk)?1::map<.+>(( )?&)?$"), stl_summary_flags, true); 551 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::deque summary provider", ConstString("^std::__(ndk)?1::deque<.+>(( )?&)?$"), stl_summary_flags, true); 552 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::set summary provider", ConstString("^std::__(ndk)?1::set<.+>(( )?&)?$"), stl_summary_flags, true); 553 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multiset summary provider", ConstString("^std::__(ndk)?1::multiset<.+>(( )?&)?$"), stl_summary_flags, true); 554 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multimap summary provider", ConstString("^std::__(ndk)?1::multimap<.+>(( )?&)?$"), stl_summary_flags, true); 555 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::unordered containers summary provider", ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"), stl_summary_flags, true); 556 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider, "libc++ std::atomic summary provider", ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_summary_flags, true); 557 558 stl_summary_flags.SetSkipPointers(true); 559 560 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::shared_ptr summary provider", ConstString("^std::__(ndk)?1::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 561 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::weak_ptr summary provider", ConstString("^std::__(ndk)?1::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 562 563 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^std::__(ndk)?1::__wrap_iter<.+>$"), stl_synth_flags, true); 564 565 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__(ndk)?1::vector<bool, std::__(ndk)?1::allocator<bool> >"), stl_summary_flags); 566 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::__(ndk)?1::__map_iterator<.+>$"), stl_synth_flags, true); 567 #endif 568 } 569 570 static void 571 LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 572 { 573 if (!cpp_category_sp) 574 return; 575 576 TypeSummaryImpl::Flags stl_summary_flags; 577 stl_summary_flags.SetCascades(true) 578 .SetSkipPointers(false) 579 .SetSkipReferences(false) 580 .SetDontShowChildren(true) 581 .SetDontShowValue(true) 582 .SetShowMembersOneLiner(false) 583 .SetHideItemNames(false); 584 585 lldb::TypeSummaryImplSP std_string_summary_sp(new StringSummaryFormat(stl_summary_flags, 586 "${var._M_dataplus._M_p}")); 587 588 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, 589 LibStdcppStringSummaryProvider, 590 "libstdc++ c++11 std::string summary provider")); 591 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, 592 LibStdcppWStringSummaryProvider, 593 "libstdc++ c++11 std::wstring summary provider")); 594 595 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 596 std_string_summary_sp); 597 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char>"), 598 std_string_summary_sp); 599 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char,std::char_traits<char>,std::allocator<char> >"), 600 std_string_summary_sp); 601 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >"), 602 std_string_summary_sp); 603 604 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::string"), 605 cxx11_string_summary_sp); 606 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >"), 607 cxx11_string_summary_sp); 608 609 // making sure we force-pick the summary for printing wstring (_M_p is a wchar_t*) 610 lldb::TypeSummaryImplSP std_wstring_summary_sp(new StringSummaryFormat(stl_summary_flags, 611 "${var._M_dataplus._M_p%S}")); 612 613 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 614 std_wstring_summary_sp); 615 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t>"), 616 std_wstring_summary_sp); 617 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >"), 618 std_wstring_summary_sp); 619 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 620 std_wstring_summary_sp); 621 622 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::wstring"), 623 cxx11_wstring_summary_sp); 624 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 625 cxx11_wstring_summary_sp); 626 627 #ifndef LLDB_DISABLE_PYTHON 628 629 SyntheticChildren::Flags stl_synth_flags; 630 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 631 632 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 633 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 634 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 635 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 636 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 637 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 638 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::(__cxx11::)?list<.+>(( )?&)?$")), 639 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 640 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 641 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(true); 642 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 643 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 644 "size=${svar%#}"))); 645 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 646 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 647 "size=${svar%#}"))); 648 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::(__cxx11::)?list<.+>(( )?&)?$")), 649 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 650 "size=${svar%#}"))); 651 652 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 653 654 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 655 656 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 657 "std::shared_ptr synthetic children", ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, 658 true); 659 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, 660 "std::weak_ptr synthetic children", ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, 661 true); 662 663 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 664 "libstdc++ std::shared_ptr summary provider", ConstString("^std::shared_ptr<.+>(( )?&)?$"), 665 stl_summary_flags, true); 666 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, 667 "libstdc++ std::weak_ptr summary provider", ConstString("^std::weak_ptr<.+>(( )?&)?$"), 668 stl_summary_flags, true); 669 #endif 670 } 671 672 static void 673 LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 674 { 675 if (!cpp_category_sp) 676 return; 677 678 TypeSummaryImpl::Flags string_flags; 679 string_flags.SetCascades(true) 680 .SetSkipPointers(true) 681 .SetSkipReferences(false) 682 .SetDontShowChildren(true) 683 .SetDontShowValue(false) 684 .SetShowMembersOneLiner(false) 685 .SetHideItemNames(false); 686 687 TypeSummaryImpl::Flags string_array_flags; 688 string_array_flags.SetCascades(true) 689 .SetSkipPointers(true) 690 .SetSkipReferences(false) 691 .SetDontShowChildren(true) 692 .SetDontShowValue(true) 693 .SetShowMembersOneLiner(false) 694 .SetHideItemNames(false); 695 696 #ifndef LLDB_DISABLE_PYTHON 697 // FIXME because of a bug in the FormattersContainer we need to add a summary for both X* and const X* (<rdar://problem/12717717>) 698 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "char16_t * summary provider", ConstString("char16_t *"), string_flags); 699 AddCXXSummary(cpp_category_sp, 700 lldb_private::formatters::Char16StringSummaryProvider, 701 "char16_t [] summary provider", 702 ConstString("char16_t \\[[0-9]+\\]"), 703 string_array_flags, 704 true); 705 706 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, "char32_t * summary provider", ConstString("char32_t *"), string_flags); 707 AddCXXSummary(cpp_category_sp, 708 lldb_private::formatters::Char32StringSummaryProvider, 709 "char32_t [] summary provider", 710 ConstString("char32_t \\[[0-9]+\\]"), 711 string_array_flags, 712 true); 713 714 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 715 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 716 717 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "unichar * summary provider", ConstString("unichar *"), string_flags); 718 719 TypeSummaryImpl::Flags widechar_flags; 720 widechar_flags.SetDontShowValue(true) 721 .SetSkipPointers(true) 722 .SetSkipReferences(false) 723 .SetCascades(true) 724 .SetDontShowChildren(true) 725 .SetHideItemNames(true) 726 .SetShowMembersOneLiner(false); 727 728 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "char16_t summary provider", ConstString("char16_t"), widechar_flags); 729 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, "char32_t summary provider", ConstString("char32_t"), widechar_flags); 730 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, "wchar_t summary provider", ConstString("wchar_t"), widechar_flags); 731 732 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "unichar summary provider", ConstString("unichar"), widechar_flags); 733 #endif 734 } 735 736 lldb::TypeCategoryImplSP 737 CPlusPlusLanguage::GetFormatters () 738 { 739 static std::once_flag g_initialize; 740 static TypeCategoryImplSP g_category; 741 742 std::call_once(g_initialize, [this] () -> void { 743 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 744 if (g_category) 745 { 746 LoadLibCxxFormatters(g_category); 747 LoadLibStdcppFormatters(g_category); 748 LoadSystemFormatters(g_category); 749 } 750 }); 751 return g_category; 752 } 753 754 HardcodedFormatters::HardcodedSummaryFinder 755 CPlusPlusLanguage::GetHardcodedSummaries () 756 { 757 static std::once_flag g_initialize; 758 static ConstString g_vectortypes("VectorTypes"); 759 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 760 761 std::call_once(g_initialize, [] () -> void { 762 g_formatters.push_back( 763 [](lldb_private::ValueObject& valobj, 764 lldb::DynamicValueType, 765 FormatManager&) -> TypeSummaryImpl::SharedPointer { 766 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags(), lldb_private::formatters::CXXFunctionPointerSummaryProvider, "Function pointer summary provider")); 767 if (valobj.GetCompilerType().IsFunctionPointerType()) 768 { 769 return formatter_sp; 770 } 771 return nullptr; 772 }); 773 g_formatters.push_back( 774 [](lldb_private::ValueObject& valobj, 775 lldb::DynamicValueType, 776 FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer { 777 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags() 778 .SetCascades(true) 779 .SetDontShowChildren(true) 780 .SetHideItemNames(true) 781 .SetShowMembersOneLiner(true) 782 .SetSkipPointers(true) 783 .SetSkipReferences(false), 784 lldb_private::formatters::VectorTypeSummaryProvider, 785 "vector_type pointer summary provider")); 786 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) 787 { 788 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 789 return formatter_sp; 790 } 791 return nullptr; 792 }); 793 g_formatters.push_back( 794 [](lldb_private::ValueObject& valobj, 795 lldb::DynamicValueType, 796 FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer { 797 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags() 798 .SetCascades(true) 799 .SetDontShowChildren(true) 800 .SetHideItemNames(true) 801 .SetShowMembersOneLiner(true) 802 .SetSkipPointers(true) 803 .SetSkipReferences(false), 804 lldb_private::formatters::BlockPointerSummaryProvider, 805 "block pointer summary provider")); 806 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) 807 { 808 return formatter_sp; 809 } 810 return nullptr; 811 }); 812 }); 813 814 return g_formatters; 815 } 816 817 HardcodedFormatters::HardcodedSyntheticFinder 818 CPlusPlusLanguage::GetHardcodedSynthetics () 819 { 820 static std::once_flag g_initialize; 821 static ConstString g_vectortypes("VectorTypes"); 822 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 823 824 std::call_once(g_initialize, [] () -> void { 825 g_formatters.push_back( 826 [](lldb_private::ValueObject& valobj, 827 lldb::DynamicValueType, 828 FormatManager& fmt_mgr) -> SyntheticChildren::SharedPointer { 829 static CXXSyntheticChildren::SharedPointer formatter_sp(new CXXSyntheticChildren(SyntheticChildren::Flags().SetCascades(true).SetSkipPointers(true).SetSkipReferences(true).SetNonCacheable(true), 830 "vector_type synthetic children", 831 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 832 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) 833 { 834 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 835 return formatter_sp; 836 } 837 return nullptr; 838 }); 839 g_formatters.push_back( 840 [](lldb_private::ValueObject& valobj, 841 lldb::DynamicValueType, 842 FormatManager& fmt_mgr) -> SyntheticChildren::SharedPointer { 843 static CXXSyntheticChildren::SharedPointer formatter_sp(new CXXSyntheticChildren(SyntheticChildren::Flags().SetCascades(true).SetSkipPointers(true).SetSkipReferences(true).SetNonCacheable(true), 844 "block pointer synthetic children", 845 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator)); 846 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) 847 { 848 return formatter_sp; 849 } 850 return nullptr; 851 }); 852 853 }); 854 855 return g_formatters; 856 } 857