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 #include <string.h> 13 14 #include "llvm/ADT/StringRef.h" 15 16 #include "lldb/Core/ConstString.h" 17 #include "lldb/Core/PluginManager.h" 18 #include "lldb/Core/RegularExpression.h" 19 #include "lldb/Core/UniqueCStringMap.h" 20 #include "lldb/DataFormatters/DataVisualization.h" 21 #include "lldb/DataFormatters/FormattersHelpers.h" 22 23 #include "CxxStringTypes.h" 24 #include "LibCxx.h" 25 #include "LibStdcpp.h" 26 27 #include <functional> 28 #include <mutex> 29 30 using namespace lldb; 31 using namespace lldb_private; 32 using namespace lldb_private::formatters; 33 34 void 35 CPlusPlusLanguage::Initialize() 36 { 37 PluginManager::RegisterPlugin (GetPluginNameStatic(), 38 "C++ Language", 39 CreateInstance); 40 } 41 42 void 43 CPlusPlusLanguage::Terminate() 44 { 45 PluginManager::UnregisterPlugin (CreateInstance); 46 } 47 48 lldb_private::ConstString 49 CPlusPlusLanguage::GetPluginNameStatic() 50 { 51 static ConstString g_name("cplusplus"); 52 return g_name; 53 } 54 55 56 //------------------------------------------------------------------ 57 // PluginInterface protocol 58 //------------------------------------------------------------------ 59 lldb_private::ConstString 60 CPlusPlusLanguage::GetPluginName() 61 { 62 return GetPluginNameStatic(); 63 } 64 65 uint32_t 66 CPlusPlusLanguage::GetPluginVersion() 67 { 68 return 1; 69 } 70 71 //------------------------------------------------------------------ 72 // Static Functions 73 //------------------------------------------------------------------ 74 Language * 75 CPlusPlusLanguage::CreateInstance (lldb::LanguageType language) 76 { 77 if (Language::LanguageIsCPlusPlus(language)) 78 return new CPlusPlusLanguage(); 79 return nullptr; 80 } 81 82 void 83 CPlusPlusLanguage::MethodName::Clear() 84 { 85 m_full.Clear(); 86 m_basename = llvm::StringRef(); 87 m_context = llvm::StringRef(); 88 m_arguments = llvm::StringRef(); 89 m_qualifiers = llvm::StringRef(); 90 m_type = eTypeInvalid; 91 m_parsed = false; 92 m_parse_error = false; 93 } 94 95 bool 96 ReverseFindMatchingChars (const llvm::StringRef &s, 97 const llvm::StringRef &left_right_chars, 98 size_t &left_pos, 99 size_t &right_pos, 100 size_t pos = llvm::StringRef::npos) 101 { 102 assert (left_right_chars.size() == 2); 103 left_pos = llvm::StringRef::npos; 104 const char left_char = left_right_chars[0]; 105 const char right_char = left_right_chars[1]; 106 pos = s.find_last_of(left_right_chars, pos); 107 if (pos == llvm::StringRef::npos || s[pos] == left_char) 108 return false; 109 right_pos = pos; 110 uint32_t depth = 1; 111 while (pos > 0 && depth > 0) 112 { 113 pos = s.find_last_of(left_right_chars, pos); 114 if (pos == llvm::StringRef::npos) 115 return false; 116 if (s[pos] == left_char) 117 { 118 if (--depth == 0) 119 { 120 left_pos = pos; 121 return left_pos < right_pos; 122 } 123 } 124 else if (s[pos] == right_char) 125 { 126 ++depth; 127 } 128 } 129 return false; 130 } 131 132 133 void 134 CPlusPlusLanguage::MethodName::Parse() 135 { 136 if (!m_parsed && m_full) 137 { 138 // ConstString mangled; 139 // m_full.GetMangledCounterpart(mangled); 140 // printf ("\n parsing = '%s'\n", m_full.GetCString()); 141 // if (mangled) 142 // printf (" mangled = '%s'\n", mangled.GetCString()); 143 m_parse_error = false; 144 m_parsed = true; 145 llvm::StringRef full (m_full.GetCString()); 146 147 size_t arg_start, arg_end; 148 llvm::StringRef parens("()", 2); 149 if (ReverseFindMatchingChars (full, parens, arg_start, arg_end)) 150 { 151 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 152 if (arg_end + 1 < full.size()) 153 m_qualifiers = full.substr(arg_end + 1); 154 if (arg_start > 0) 155 { 156 size_t basename_end = arg_start; 157 size_t context_start = 0; 158 size_t context_end = llvm::StringRef::npos; 159 if (basename_end > 0 && full[basename_end-1] == '>') 160 { 161 // TODO: handle template junk... 162 // Templated function 163 size_t template_start, template_end; 164 llvm::StringRef lt_gt("<>", 2); 165 if (ReverseFindMatchingChars (full, lt_gt, template_start, template_end, basename_end)) 166 { 167 // Check for templated functions that include return type like: 'void foo<Int>()' 168 context_start = full.rfind(' ', template_start); 169 if (context_start == llvm::StringRef::npos) 170 context_start = 0; 171 172 context_end = full.rfind(':', template_start); 173 if (context_end == llvm::StringRef::npos || context_end < context_start) 174 context_end = context_start; 175 } 176 else 177 { 178 context_end = full.rfind(':', basename_end); 179 } 180 } 181 else if (context_end == llvm::StringRef::npos) 182 { 183 context_end = full.rfind(':', basename_end); 184 } 185 186 if (context_end == llvm::StringRef::npos) 187 m_basename = full.substr(0, basename_end); 188 else 189 { 190 if (context_start < context_end) 191 m_context = full.substr(context_start, context_end - 1); 192 const size_t basename_begin = context_end + 1; 193 m_basename = full.substr(basename_begin, basename_end - basename_begin); 194 } 195 m_type = eTypeUnknownMethod; 196 } 197 else 198 { 199 m_parse_error = true; 200 return; 201 } 202 203 // if (!m_context.empty()) 204 // printf (" context = '%s'\n", m_context.str().c_str()); 205 // if (m_basename) 206 // printf (" basename = '%s'\n", m_basename.GetCString()); 207 // if (!m_arguments.empty()) 208 // printf (" arguments = '%s'\n", m_arguments.str().c_str()); 209 // if (!m_qualifiers.empty()) 210 // printf ("qualifiers = '%s'\n", m_qualifiers.str().c_str()); 211 212 // Make sure we have a valid C++ basename with optional template args 213 static RegularExpression g_identifier_regex("^~?([A-Za-z_][A-Za-z_0-9]*)(<.*>)?$"); 214 std::string basename_str(m_basename.str()); 215 bool basename_is_valid = g_identifier_regex.Execute (basename_str.c_str(), NULL); 216 if (!basename_is_valid) 217 { 218 // Check for C++ operators 219 if (m_basename.startswith("operator")) 220 { 221 static RegularExpression g_operator_regex("^(operator)( ?)([A-Za-z_][A-Za-z_0-9]*|\\(\\)|\\[\\]|[\\^<>=!\\/*+-]+)(<.*>)?(\\[\\])?$"); 222 basename_is_valid = g_operator_regex.Execute(basename_str.c_str(), NULL); 223 } 224 } 225 if (!basename_is_valid) 226 { 227 // The C++ basename doesn't match our regular expressions so this can't 228 // be a valid C++ method, clear everything out and indicate an error 229 m_context = llvm::StringRef(); 230 m_basename = llvm::StringRef(); 231 m_arguments = llvm::StringRef(); 232 m_qualifiers = llvm::StringRef(); 233 m_parse_error = true; 234 } 235 } 236 else 237 { 238 m_parse_error = true; 239 // printf ("error: didn't find matching parens for arguments\n"); 240 } 241 } 242 } 243 244 llvm::StringRef 245 CPlusPlusLanguage::MethodName::GetBasename () 246 { 247 if (!m_parsed) 248 Parse(); 249 return m_basename; 250 } 251 252 llvm::StringRef 253 CPlusPlusLanguage::MethodName::GetContext () 254 { 255 if (!m_parsed) 256 Parse(); 257 return m_context; 258 } 259 260 llvm::StringRef 261 CPlusPlusLanguage::MethodName::GetArguments () 262 { 263 if (!m_parsed) 264 Parse(); 265 return m_arguments; 266 } 267 268 llvm::StringRef 269 CPlusPlusLanguage::MethodName::GetQualifiers () 270 { 271 if (!m_parsed) 272 Parse(); 273 return m_qualifiers; 274 } 275 276 bool 277 CPlusPlusLanguage::IsCPPMangledName (const char *name) 278 { 279 // FIXME, we should really run through all the known C++ Language plugins and ask each one if 280 // this is a C++ mangled name, but we can put that off till there is actually more than one 281 // we care about. 282 283 if (name && name[0] == '_' && name[1] == 'Z') 284 return true; 285 else 286 return false; 287 } 288 289 bool 290 CPlusPlusLanguage::ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier) 291 { 292 static RegularExpression g_basename_regex("^(([A-Za-z_][A-Za-z_0-9]*::)*)([A-Za-z_][A-Za-z_0-9]*)$"); 293 RegularExpression::Match match(4); 294 if (g_basename_regex.Execute (name, &match)) 295 { 296 match.GetMatchAtIndex(name, 1, context); 297 match.GetMatchAtIndex(name, 3, identifier); 298 return true; 299 } 300 return false; 301 } 302 303 class CPPRuntimeEquivalents 304 { 305 public: 306 CPPRuntimeEquivalents () 307 { 308 309 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("basic_string<char>")); 310 311 // these two (with a prefixed std::) occur when c++stdlib string class occurs as a template argument in some STL container 312 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("std::basic_string<char>")); 313 314 m_impl.Sort(); 315 } 316 317 void 318 Add (ConstString& type_name, 319 ConstString& type_equivalent) 320 { 321 m_impl.Insert(type_name.AsCString(), type_equivalent); 322 } 323 324 uint32_t 325 FindExactMatches (ConstString& type_name, 326 std::vector<ConstString>& equivalents) 327 { 328 329 uint32_t count = 0; 330 331 for (ImplData match = m_impl.FindFirstValueForName(type_name.AsCString()); 332 match != NULL; 333 match = m_impl.FindNextValueForName(match)) 334 { 335 equivalents.push_back(match->value); 336 count++; 337 } 338 339 return count; 340 } 341 342 // partial matches can occur when a name with equivalents is a template argument. 343 // e.g. we may have "class Foo" be a match for "struct Bar". if we have a typename 344 // such as "class Templatized<class Foo, Anything>" we want this to be replaced with 345 // "class Templatized<struct Bar, Anything>". Since partial matching is time consuming 346 // once we get a partial match, we add it to the exact matches list for faster retrieval 347 uint32_t 348 FindPartialMatches (ConstString& type_name, 349 std::vector<ConstString>& equivalents) 350 { 351 352 uint32_t count = 0; 353 354 const char* type_name_cstr = type_name.AsCString(); 355 356 size_t items_count = m_impl.GetSize(); 357 358 for (size_t item = 0; item < items_count; item++) 359 { 360 const char* key_cstr = m_impl.GetCStringAtIndex(item); 361 if ( strstr(type_name_cstr,key_cstr) ) 362 { 363 count += AppendReplacements(type_name_cstr, 364 key_cstr, 365 equivalents); 366 } 367 } 368 369 return count; 370 371 } 372 373 private: 374 375 std::string& replace (std::string& target, 376 std::string& pattern, 377 std::string& with) 378 { 379 size_t pos; 380 size_t pattern_len = pattern.size(); 381 382 while ( (pos = target.find(pattern)) != std::string::npos ) 383 target.replace(pos, pattern_len, with); 384 385 return target; 386 } 387 388 uint32_t 389 AppendReplacements (const char* original, 390 const char *matching_key, 391 std::vector<ConstString>& equivalents) 392 { 393 394 std::string matching_key_str(matching_key); 395 ConstString original_const(original); 396 397 uint32_t count = 0; 398 399 for (ImplData match = m_impl.FindFirstValueForName(matching_key); 400 match != NULL; 401 match = m_impl.FindNextValueForName(match)) 402 { 403 std::string target(original); 404 std::string equiv_class(match->value.AsCString()); 405 406 replace (target, matching_key_str, equiv_class); 407 408 ConstString target_const(target.c_str()); 409 410 // you will most probably want to leave this off since it might make this map grow indefinitely 411 #ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW 412 Add(original_const, target_const); 413 #endif 414 equivalents.push_back(target_const); 415 416 count++; 417 } 418 419 return count; 420 } 421 422 typedef UniqueCStringMap<ConstString> Impl; 423 typedef const Impl::Entry* ImplData; 424 Impl m_impl; 425 }; 426 427 static CPPRuntimeEquivalents& 428 GetEquivalentsMap () 429 { 430 static CPPRuntimeEquivalents g_equivalents_map; 431 return g_equivalents_map; 432 } 433 434 435 uint32_t 436 CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents) 437 { 438 uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents); 439 440 bool might_have_partials= 441 ( count == 0 ) // if we have a full name match just use it 442 && (strchr(type_name.AsCString(), '<') != NULL // we should only have partial matches when templates are involved, check that we have 443 && strchr(type_name.AsCString(), '>') != NULL); // angle brackets in the type_name before trying to scan for partial matches 444 445 if ( might_have_partials ) 446 count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents); 447 448 return count; 449 } 450 451 static void 452 LoadLibCxxFormatters (lldb::TypeCategoryImplSP cpp_category_sp) 453 { 454 if (!cpp_category_sp) 455 return; 456 457 TypeSummaryImpl::Flags stl_summary_flags; 458 stl_summary_flags.SetCascades(true) 459 .SetSkipPointers(false) 460 .SetSkipReferences(false) 461 .SetDontShowChildren(true) 462 .SetDontShowValue(true) 463 .SetShowMembersOneLiner(false) 464 .SetHideItemNames(false); 465 466 #ifndef LLDB_DISABLE_PYTHON 467 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider, "std::string summary provider")); 468 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, "std::wstring summary provider")); 469 470 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::string"), 471 std_string_summary_sp); 472 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >"), 473 std_string_summary_sp); 474 475 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::wstring"), 476 std_wstring_summary_sp); 477 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >"), 478 std_wstring_summary_sp); 479 480 SyntheticChildren::Flags stl_synth_flags; 481 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 482 483 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, "libc++ std::vector synthetic children", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_synth_flags, true); 484 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, "libc++ std::list synthetic children", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_synth_flags, true); 485 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::map synthetic children", ConstString("^std::__1::map<.+> >(( )?&)?$"), stl_synth_flags, true); 486 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("std::__1::vector<std::__1::allocator<bool> >"), stl_synth_flags); 487 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_synth_flags); 488 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::set synthetic children", ConstString("^std::__1::set<.+> >(( )?&)?$"), stl_synth_flags, true); 489 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multiset synthetic children", ConstString("^std::__1::multiset<.+> >(( )?&)?$"), stl_synth_flags, true); 490 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multimap synthetic children", ConstString("^std::__1::multimap<.+> >(( )?&)?$"), stl_synth_flags, true); 491 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, "libc++ std::unordered containers synthetic children", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_synth_flags, true); 492 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, "libc++ std::initializer_list synthetic children", ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, true); 493 494 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^(std::__1::)deque<.+>(( )?&)?$")), 495 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 496 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 497 498 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "shared_ptr synthetic children", ConstString("^(std::__1::)shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 499 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "weak_ptr synthetic children", ConstString("^(std::__1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 500 501 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(false); 502 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator, "libc++ std::vector<bool> synthetic children", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_synth_flags); 503 504 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector summary provider", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_summary_flags, true); 505 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::list summary provider", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_summary_flags, true); 506 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::map summary provider", ConstString("^std::__1::map<.+>(( )?&)?$"), stl_summary_flags, true); 507 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::deque summary provider", ConstString("^std::__1::deque<.+>(( )?&)?$"), stl_summary_flags, true); 508 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__1::vector<std::__1::allocator<bool> >"), stl_summary_flags); 509 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_summary_flags); 510 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::set summary provider", ConstString("^std::__1::set<.+>(( )?&)?$"), stl_summary_flags, true); 511 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multiset summary provider", ConstString("^std::__1::multiset<.+>(( )?&)?$"), stl_summary_flags, true); 512 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multimap summary provider", ConstString("^std::__1::multimap<.+>(( )?&)?$"), stl_summary_flags, true); 513 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::unordered containers summary provider", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_summary_flags, true); 514 515 stl_summary_flags.SetSkipPointers(true); 516 517 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::shared_ptr summary provider", ConstString("^std::__1::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 518 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::weak_ptr summary provider", ConstString("^std::__1::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 519 520 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^std::__1::__wrap_iter<.+>$"), stl_synth_flags, true); 521 522 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_summary_flags); 523 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::__1::__map_iterator<.+>$"), stl_synth_flags, true); 524 525 AddFilter(cpp_category_sp, {"__a_"}, "libc++ std::atomic filter", ConstString("^std::__1::atomic<.*>$"), stl_synth_flags, true); 526 #endif 527 } 528 529 static void 530 LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 531 { 532 if (!cpp_category_sp) 533 return; 534 535 TypeSummaryImpl::Flags stl_summary_flags; 536 stl_summary_flags.SetCascades(true) 537 .SetSkipPointers(false) 538 .SetSkipReferences(false) 539 .SetDontShowChildren(true) 540 .SetDontShowValue(true) 541 .SetShowMembersOneLiner(false) 542 .SetHideItemNames(false); 543 544 lldb::TypeSummaryImplSP std_string_summary_sp(new StringSummaryFormat(stl_summary_flags, 545 "${var._M_dataplus._M_p}")); 546 547 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 548 std_string_summary_sp); 549 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char>"), 550 std_string_summary_sp); 551 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char,std::char_traits<char>,std::allocator<char> >"), 552 std_string_summary_sp); 553 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >"), 554 std_string_summary_sp); 555 556 // making sure we force-pick the summary for printing wstring (_M_p is a wchar_t*) 557 lldb::TypeSummaryImplSP std_wstring_summary_sp(new StringSummaryFormat(stl_summary_flags, 558 "${var._M_dataplus._M_p%S}")); 559 560 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 561 std_wstring_summary_sp); 562 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t>"), 563 std_wstring_summary_sp); 564 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >"), 565 std_wstring_summary_sp); 566 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 567 std_wstring_summary_sp); 568 569 570 #ifndef LLDB_DISABLE_PYTHON 571 572 SyntheticChildren::Flags stl_synth_flags; 573 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 574 575 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 576 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 577 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 578 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 579 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 580 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 581 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::list<.+>(( )?&)?$")), 582 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 583 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 584 585 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(true); 586 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 587 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 588 "size=${svar%#}"))); 589 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 590 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 591 "size=${svar%#}"))); 592 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::list<.+>(( )?&)?$")), 593 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 594 "size=${svar%#}"))); 595 596 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 597 598 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 599 #endif 600 } 601 602 static void 603 LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 604 { 605 if (!cpp_category_sp) 606 return; 607 608 TypeSummaryImpl::Flags string_flags; 609 string_flags.SetCascades(true) 610 .SetSkipPointers(true) 611 .SetSkipReferences(false) 612 .SetDontShowChildren(true) 613 .SetDontShowValue(false) 614 .SetShowMembersOneLiner(false) 615 .SetHideItemNames(false); 616 617 TypeSummaryImpl::Flags string_array_flags; 618 string_array_flags.SetCascades(true) 619 .SetSkipPointers(true) 620 .SetSkipReferences(false) 621 .SetDontShowChildren(true) 622 .SetDontShowValue(true) 623 .SetShowMembersOneLiner(false) 624 .SetHideItemNames(false); 625 626 #ifndef LLDB_DISABLE_PYTHON 627 // FIXME because of a bug in the FormattersContainer we need to add a summary for both X* and const X* (<rdar://problem/12717717>) 628 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "char16_t * summary provider", ConstString("char16_t *"), string_flags); 629 630 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, "char32_t * summary provider", ConstString("char32_t *"), string_flags); 631 632 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 633 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 634 635 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "unichar * summary provider", ConstString("unichar *"), string_flags); 636 637 TypeSummaryImpl::Flags widechar_flags; 638 widechar_flags.SetDontShowValue(true) 639 .SetSkipPointers(true) 640 .SetSkipReferences(false) 641 .SetCascades(true) 642 .SetDontShowChildren(true) 643 .SetHideItemNames(true) 644 .SetShowMembersOneLiner(false); 645 646 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "char16_t summary provider", ConstString("char16_t"), widechar_flags); 647 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, "char32_t summary provider", ConstString("char32_t"), widechar_flags); 648 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, "wchar_t summary provider", ConstString("wchar_t"), widechar_flags); 649 650 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "unichar summary provider", ConstString("unichar"), widechar_flags); 651 #endif 652 } 653 654 lldb::TypeCategoryImplSP 655 CPlusPlusLanguage::GetFormatters () 656 { 657 static std::once_flag g_initialize; 658 static TypeCategoryImplSP g_category; 659 660 std::call_once(g_initialize, [this] () -> void { 661 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 662 if (g_category) 663 { 664 LoadLibCxxFormatters(g_category); 665 LoadLibStdcppFormatters(g_category); 666 LoadSystemFormatters(g_category); 667 } 668 }); 669 return g_category; 670 } 671 672