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/CXXFunctionPointer.h" 21 #include "lldb/DataFormatters/DataVisualization.h" 22 #include "lldb/DataFormatters/FormattersHelpers.h" 23 #include "lldb/DataFormatters/VectorType.h" 24 25 #include "CxxStringTypes.h" 26 #include "LibCxx.h" 27 #include "LibStdcpp.h" 28 29 #include <functional> 30 #include <mutex> 31 32 using namespace lldb; 33 using namespace lldb_private; 34 using namespace lldb_private::formatters; 35 36 void 37 CPlusPlusLanguage::Initialize() 38 { 39 PluginManager::RegisterPlugin (GetPluginNameStatic(), 40 "C++ Language", 41 CreateInstance); 42 } 43 44 void 45 CPlusPlusLanguage::Terminate() 46 { 47 PluginManager::UnregisterPlugin (CreateInstance); 48 } 49 50 lldb_private::ConstString 51 CPlusPlusLanguage::GetPluginNameStatic() 52 { 53 static ConstString g_name("cplusplus"); 54 return g_name; 55 } 56 57 58 //------------------------------------------------------------------ 59 // PluginInterface protocol 60 //------------------------------------------------------------------ 61 lldb_private::ConstString 62 CPlusPlusLanguage::GetPluginName() 63 { 64 return GetPluginNameStatic(); 65 } 66 67 uint32_t 68 CPlusPlusLanguage::GetPluginVersion() 69 { 70 return 1; 71 } 72 73 //------------------------------------------------------------------ 74 // Static Functions 75 //------------------------------------------------------------------ 76 Language * 77 CPlusPlusLanguage::CreateInstance (lldb::LanguageType language) 78 { 79 if (Language::LanguageIsCPlusPlus(language)) 80 return new CPlusPlusLanguage(); 81 return nullptr; 82 } 83 84 void 85 CPlusPlusLanguage::MethodName::Clear() 86 { 87 m_full.Clear(); 88 m_basename = llvm::StringRef(); 89 m_context = llvm::StringRef(); 90 m_arguments = llvm::StringRef(); 91 m_qualifiers = llvm::StringRef(); 92 m_type = eTypeInvalid; 93 m_parsed = false; 94 m_parse_error = false; 95 } 96 97 bool 98 ReverseFindMatchingChars (const llvm::StringRef &s, 99 const llvm::StringRef &left_right_chars, 100 size_t &left_pos, 101 size_t &right_pos, 102 size_t pos = llvm::StringRef::npos) 103 { 104 assert (left_right_chars.size() == 2); 105 left_pos = llvm::StringRef::npos; 106 const char left_char = left_right_chars[0]; 107 const char right_char = left_right_chars[1]; 108 pos = s.find_last_of(left_right_chars, pos); 109 if (pos == llvm::StringRef::npos || s[pos] == left_char) 110 return false; 111 right_pos = pos; 112 uint32_t depth = 1; 113 while (pos > 0 && depth > 0) 114 { 115 pos = s.find_last_of(left_right_chars, pos); 116 if (pos == llvm::StringRef::npos) 117 return false; 118 if (s[pos] == left_char) 119 { 120 if (--depth == 0) 121 { 122 left_pos = pos; 123 return left_pos < right_pos; 124 } 125 } 126 else if (s[pos] == right_char) 127 { 128 ++depth; 129 } 130 } 131 return false; 132 } 133 134 135 void 136 CPlusPlusLanguage::MethodName::Parse() 137 { 138 if (!m_parsed && m_full) 139 { 140 // ConstString mangled; 141 // m_full.GetMangledCounterpart(mangled); 142 // printf ("\n parsing = '%s'\n", m_full.GetCString()); 143 // if (mangled) 144 // printf (" mangled = '%s'\n", mangled.GetCString()); 145 m_parse_error = false; 146 m_parsed = true; 147 llvm::StringRef full (m_full.GetCString()); 148 149 size_t arg_start, arg_end; 150 llvm::StringRef parens("()", 2); 151 if (ReverseFindMatchingChars (full, parens, arg_start, arg_end)) 152 { 153 m_arguments = full.substr(arg_start, arg_end - arg_start + 1); 154 if (arg_end + 1 < full.size()) 155 m_qualifiers = full.substr(arg_end + 1); 156 if (arg_start > 0) 157 { 158 size_t basename_end = arg_start; 159 size_t context_start = 0; 160 size_t context_end = llvm::StringRef::npos; 161 if (basename_end > 0 && full[basename_end-1] == '>') 162 { 163 // TODO: handle template junk... 164 // Templated function 165 size_t template_start, template_end; 166 llvm::StringRef lt_gt("<>", 2); 167 if (ReverseFindMatchingChars (full, lt_gt, template_start, template_end, basename_end)) 168 { 169 // Check for templated functions that include return type like: 'void foo<Int>()' 170 context_start = full.rfind(' ', template_start); 171 if (context_start == llvm::StringRef::npos) 172 context_start = 0; 173 174 context_end = full.rfind(':', template_start); 175 if (context_end == llvm::StringRef::npos || context_end < context_start) 176 context_end = context_start; 177 } 178 else 179 { 180 context_end = full.rfind(':', basename_end); 181 } 182 } 183 else if (context_end == llvm::StringRef::npos) 184 { 185 context_end = full.rfind(':', basename_end); 186 } 187 188 if (context_end == llvm::StringRef::npos) 189 m_basename = full.substr(0, basename_end); 190 else 191 { 192 if (context_start < context_end) 193 m_context = full.substr(context_start, context_end - 1); 194 const size_t basename_begin = context_end + 1; 195 m_basename = full.substr(basename_begin, basename_end - basename_begin); 196 } 197 m_type = eTypeUnknownMethod; 198 } 199 else 200 { 201 m_parse_error = true; 202 return; 203 } 204 205 // if (!m_context.empty()) 206 // printf (" context = '%s'\n", m_context.str().c_str()); 207 // if (m_basename) 208 // printf (" basename = '%s'\n", m_basename.GetCString()); 209 // if (!m_arguments.empty()) 210 // printf (" arguments = '%s'\n", m_arguments.str().c_str()); 211 // if (!m_qualifiers.empty()) 212 // printf ("qualifiers = '%s'\n", m_qualifiers.str().c_str()); 213 214 // Make sure we have a valid C++ basename with optional template args 215 static RegularExpression g_identifier_regex("^~?([A-Za-z_][A-Za-z_0-9]*)(<.*>)?$"); 216 std::string basename_str(m_basename.str()); 217 bool basename_is_valid = g_identifier_regex.Execute (basename_str.c_str(), NULL); 218 if (!basename_is_valid) 219 { 220 // Check for C++ operators 221 if (m_basename.startswith("operator")) 222 { 223 static RegularExpression g_operator_regex("^(operator)( ?)([A-Za-z_][A-Za-z_0-9]*|\\(\\)|\\[\\]|[\\^<>=!\\/*+-]+)(<.*>)?(\\[\\])?$"); 224 basename_is_valid = g_operator_regex.Execute(basename_str.c_str(), NULL); 225 } 226 } 227 if (!basename_is_valid) 228 { 229 // The C++ basename doesn't match our regular expressions so this can't 230 // be a valid C++ method, clear everything out and indicate an error 231 m_context = llvm::StringRef(); 232 m_basename = llvm::StringRef(); 233 m_arguments = llvm::StringRef(); 234 m_qualifiers = llvm::StringRef(); 235 m_parse_error = true; 236 } 237 } 238 else 239 { 240 m_parse_error = true; 241 // printf ("error: didn't find matching parens for arguments\n"); 242 } 243 } 244 } 245 246 llvm::StringRef 247 CPlusPlusLanguage::MethodName::GetBasename () 248 { 249 if (!m_parsed) 250 Parse(); 251 return m_basename; 252 } 253 254 llvm::StringRef 255 CPlusPlusLanguage::MethodName::GetContext () 256 { 257 if (!m_parsed) 258 Parse(); 259 return m_context; 260 } 261 262 llvm::StringRef 263 CPlusPlusLanguage::MethodName::GetArguments () 264 { 265 if (!m_parsed) 266 Parse(); 267 return m_arguments; 268 } 269 270 llvm::StringRef 271 CPlusPlusLanguage::MethodName::GetQualifiers () 272 { 273 if (!m_parsed) 274 Parse(); 275 return m_qualifiers; 276 } 277 278 bool 279 CPlusPlusLanguage::IsCPPMangledName (const char *name) 280 { 281 // FIXME, we should really run through all the known C++ Language plugins and ask each one if 282 // this is a C++ mangled name, but we can put that off till there is actually more than one 283 // we care about. 284 285 if (name && name[0] == '_' && name[1] == 'Z') 286 return true; 287 else 288 return false; 289 } 290 291 bool 292 CPlusPlusLanguage::ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier) 293 { 294 static RegularExpression g_basename_regex("^(([A-Za-z_][A-Za-z_0-9]*::)*)([A-Za-z_][A-Za-z_0-9]*)$"); 295 RegularExpression::Match match(4); 296 if (g_basename_regex.Execute (name, &match)) 297 { 298 match.GetMatchAtIndex(name, 1, context); 299 match.GetMatchAtIndex(name, 3, identifier); 300 return true; 301 } 302 return false; 303 } 304 305 class CPPRuntimeEquivalents 306 { 307 public: 308 CPPRuntimeEquivalents () 309 { 310 311 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("basic_string<char>")); 312 313 // these two (with a prefixed std::) occur when c++stdlib string class occurs as a template argument in some STL container 314 m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("std::basic_string<char>")); 315 316 m_impl.Sort(); 317 } 318 319 void 320 Add (ConstString& type_name, 321 ConstString& type_equivalent) 322 { 323 m_impl.Insert(type_name.AsCString(), type_equivalent); 324 } 325 326 uint32_t 327 FindExactMatches (ConstString& type_name, 328 std::vector<ConstString>& equivalents) 329 { 330 331 uint32_t count = 0; 332 333 for (ImplData match = m_impl.FindFirstValueForName(type_name.AsCString()); 334 match != NULL; 335 match = m_impl.FindNextValueForName(match)) 336 { 337 equivalents.push_back(match->value); 338 count++; 339 } 340 341 return count; 342 } 343 344 // partial matches can occur when a name with equivalents is a template argument. 345 // e.g. we may have "class Foo" be a match for "struct Bar". if we have a typename 346 // such as "class Templatized<class Foo, Anything>" we want this to be replaced with 347 // "class Templatized<struct Bar, Anything>". Since partial matching is time consuming 348 // once we get a partial match, we add it to the exact matches list for faster retrieval 349 uint32_t 350 FindPartialMatches (ConstString& type_name, 351 std::vector<ConstString>& equivalents) 352 { 353 354 uint32_t count = 0; 355 356 const char* type_name_cstr = type_name.AsCString(); 357 358 size_t items_count = m_impl.GetSize(); 359 360 for (size_t item = 0; item < items_count; item++) 361 { 362 const char* key_cstr = m_impl.GetCStringAtIndex(item); 363 if ( strstr(type_name_cstr,key_cstr) ) 364 { 365 count += AppendReplacements(type_name_cstr, 366 key_cstr, 367 equivalents); 368 } 369 } 370 371 return count; 372 373 } 374 375 private: 376 377 std::string& replace (std::string& target, 378 std::string& pattern, 379 std::string& with) 380 { 381 size_t pos; 382 size_t pattern_len = pattern.size(); 383 384 while ( (pos = target.find(pattern)) != std::string::npos ) 385 target.replace(pos, pattern_len, with); 386 387 return target; 388 } 389 390 uint32_t 391 AppendReplacements (const char* original, 392 const char *matching_key, 393 std::vector<ConstString>& equivalents) 394 { 395 396 std::string matching_key_str(matching_key); 397 ConstString original_const(original); 398 399 uint32_t count = 0; 400 401 for (ImplData match = m_impl.FindFirstValueForName(matching_key); 402 match != NULL; 403 match = m_impl.FindNextValueForName(match)) 404 { 405 std::string target(original); 406 std::string equiv_class(match->value.AsCString()); 407 408 replace (target, matching_key_str, equiv_class); 409 410 ConstString target_const(target.c_str()); 411 412 // you will most probably want to leave this off since it might make this map grow indefinitely 413 #ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW 414 Add(original_const, target_const); 415 #endif 416 equivalents.push_back(target_const); 417 418 count++; 419 } 420 421 return count; 422 } 423 424 typedef UniqueCStringMap<ConstString> Impl; 425 typedef const Impl::Entry* ImplData; 426 Impl m_impl; 427 }; 428 429 static CPPRuntimeEquivalents& 430 GetEquivalentsMap () 431 { 432 static CPPRuntimeEquivalents g_equivalents_map; 433 return g_equivalents_map; 434 } 435 436 437 uint32_t 438 CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents) 439 { 440 uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents); 441 442 bool might_have_partials= 443 ( count == 0 ) // if we have a full name match just use it 444 && (strchr(type_name.AsCString(), '<') != NULL // we should only have partial matches when templates are involved, check that we have 445 && strchr(type_name.AsCString(), '>') != NULL); // angle brackets in the type_name before trying to scan for partial matches 446 447 if ( might_have_partials ) 448 count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents); 449 450 return count; 451 } 452 453 static void 454 LoadLibCxxFormatters (lldb::TypeCategoryImplSP cpp_category_sp) 455 { 456 if (!cpp_category_sp) 457 return; 458 459 TypeSummaryImpl::Flags stl_summary_flags; 460 stl_summary_flags.SetCascades(true) 461 .SetSkipPointers(false) 462 .SetSkipReferences(false) 463 .SetDontShowChildren(true) 464 .SetDontShowValue(true) 465 .SetShowMembersOneLiner(false) 466 .SetHideItemNames(false); 467 468 #ifndef LLDB_DISABLE_PYTHON 469 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider, "std::string summary provider")); 470 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, "std::wstring summary provider")); 471 472 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::string"), 473 std_string_summary_sp); 474 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >"), 475 std_string_summary_sp); 476 477 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::wstring"), 478 std_wstring_summary_sp); 479 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >"), 480 std_wstring_summary_sp); 481 482 SyntheticChildren::Flags stl_synth_flags; 483 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 484 485 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, "libc++ std::vector synthetic children", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_synth_flags, true); 486 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, "libc++ std::list synthetic children", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_synth_flags, true); 487 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::map synthetic children", ConstString("^std::__1::map<.+> >(( )?&)?$"), stl_synth_flags, true); 488 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); 489 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); 490 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::set synthetic children", ConstString("^std::__1::set<.+> >(( )?&)?$"), stl_synth_flags, true); 491 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multiset synthetic children", ConstString("^std::__1::multiset<.+> >(( )?&)?$"), stl_synth_flags, true); 492 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multimap synthetic children", ConstString("^std::__1::multimap<.+> >(( )?&)?$"), stl_synth_flags, true); 493 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, "libc++ std::unordered containers synthetic children", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_synth_flags, true); 494 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, "libc++ std::initializer_list synthetic children", ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, true); 495 496 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^(std::__1::)deque<.+>(( )?&)?$")), 497 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 498 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); 499 500 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "shared_ptr synthetic children", ConstString("^(std::__1::)shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 501 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "weak_ptr synthetic children", ConstString("^(std::__1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); 502 503 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(false); 504 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); 505 506 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector summary provider", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_summary_flags, true); 507 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::list summary provider", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_summary_flags, true); 508 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::map summary provider", ConstString("^std::__1::map<.+>(( )?&)?$"), stl_summary_flags, true); 509 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::deque summary provider", ConstString("^std::__1::deque<.+>(( )?&)?$"), stl_summary_flags, true); 510 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); 511 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); 512 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::set summary provider", ConstString("^std::__1::set<.+>(( )?&)?$"), stl_summary_flags, true); 513 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multiset summary provider", ConstString("^std::__1::multiset<.+>(( )?&)?$"), stl_summary_flags, true); 514 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multimap summary provider", ConstString("^std::__1::multimap<.+>(( )?&)?$"), stl_summary_flags, true); 515 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::unordered containers summary provider", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_summary_flags, true); 516 517 stl_summary_flags.SetSkipPointers(true); 518 519 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::shared_ptr summary provider", ConstString("^std::__1::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 520 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::weak_ptr summary provider", ConstString("^std::__1::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, true); 521 522 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^std::__1::__wrap_iter<.+>$"), stl_synth_flags, true); 523 524 AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_summary_flags); 525 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::__1::__map_iterator<.+>$"), stl_synth_flags, true); 526 527 AddFilter(cpp_category_sp, {"__a_"}, "libc++ std::atomic filter", ConstString("^std::__1::atomic<.*>$"), stl_synth_flags, true); 528 #endif 529 } 530 531 static void 532 LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 533 { 534 if (!cpp_category_sp) 535 return; 536 537 TypeSummaryImpl::Flags stl_summary_flags; 538 stl_summary_flags.SetCascades(true) 539 .SetSkipPointers(false) 540 .SetSkipReferences(false) 541 .SetDontShowChildren(true) 542 .SetDontShowValue(true) 543 .SetShowMembersOneLiner(false) 544 .SetHideItemNames(false); 545 546 lldb::TypeSummaryImplSP std_string_summary_sp(new StringSummaryFormat(stl_summary_flags, 547 "${var._M_dataplus._M_p}")); 548 549 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), 550 std_string_summary_sp); 551 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<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 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >"), 556 std_string_summary_sp); 557 558 // making sure we force-pick the summary for printing wstring (_M_p is a wchar_t*) 559 lldb::TypeSummaryImplSP std_wstring_summary_sp(new StringSummaryFormat(stl_summary_flags, 560 "${var._M_dataplus._M_p%S}")); 561 562 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), 563 std_wstring_summary_sp); 564 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t>"), 565 std_wstring_summary_sp); 566 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >"), 567 std_wstring_summary_sp); 568 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), 569 std_wstring_summary_sp); 570 571 572 #ifndef LLDB_DISABLE_PYTHON 573 574 SyntheticChildren::Flags stl_synth_flags; 575 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); 576 577 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 578 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 579 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); 580 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 581 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 582 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); 583 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::list<.+>(( )?&)?$")), 584 SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, 585 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); 586 587 stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(true); 588 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), 589 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 590 "size=${svar%#}"))); 591 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), 592 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 593 "size=${svar%#}"))); 594 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::list<.+>(( )?&)?$")), 595 TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, 596 "size=${svar%#}"))); 597 598 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); 599 600 AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); 601 #endif 602 } 603 604 static void 605 LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) 606 { 607 if (!cpp_category_sp) 608 return; 609 610 TypeSummaryImpl::Flags string_flags; 611 string_flags.SetCascades(true) 612 .SetSkipPointers(true) 613 .SetSkipReferences(false) 614 .SetDontShowChildren(true) 615 .SetDontShowValue(false) 616 .SetShowMembersOneLiner(false) 617 .SetHideItemNames(false); 618 619 TypeSummaryImpl::Flags string_array_flags; 620 string_array_flags.SetCascades(true) 621 .SetSkipPointers(true) 622 .SetSkipReferences(false) 623 .SetDontShowChildren(true) 624 .SetDontShowValue(true) 625 .SetShowMembersOneLiner(false) 626 .SetHideItemNames(false); 627 628 #ifndef LLDB_DISABLE_PYTHON 629 // FIXME because of a bug in the FormattersContainer we need to add a summary for both X* and const X* (<rdar://problem/12717717>) 630 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "char16_t * summary provider", ConstString("char16_t *"), string_flags); 631 632 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, "char32_t * summary provider", ConstString("char32_t *"), string_flags); 633 634 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); 635 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); 636 637 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "unichar * summary provider", ConstString("unichar *"), string_flags); 638 639 TypeSummaryImpl::Flags widechar_flags; 640 widechar_flags.SetDontShowValue(true) 641 .SetSkipPointers(true) 642 .SetSkipReferences(false) 643 .SetCascades(true) 644 .SetDontShowChildren(true) 645 .SetHideItemNames(true) 646 .SetShowMembersOneLiner(false); 647 648 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "char16_t summary provider", ConstString("char16_t"), widechar_flags); 649 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, "char32_t summary provider", ConstString("char32_t"), widechar_flags); 650 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, "wchar_t summary provider", ConstString("wchar_t"), widechar_flags); 651 652 AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "unichar summary provider", ConstString("unichar"), widechar_flags); 653 #endif 654 } 655 656 lldb::TypeCategoryImplSP 657 CPlusPlusLanguage::GetFormatters () 658 { 659 static std::once_flag g_initialize; 660 static TypeCategoryImplSP g_category; 661 662 std::call_once(g_initialize, [this] () -> void { 663 DataVisualization::Categories::GetCategory(GetPluginName(), g_category); 664 if (g_category) 665 { 666 LoadLibCxxFormatters(g_category); 667 LoadLibStdcppFormatters(g_category); 668 LoadSystemFormatters(g_category); 669 } 670 }); 671 return g_category; 672 } 673 674 HardcodedFormatters::HardcodedSummaryFinder 675 CPlusPlusLanguage::GetHardcodedSummaries () 676 { 677 static std::once_flag g_initialize; 678 static ConstString g_vectortypes("VectorTypes"); 679 static HardcodedFormatters::HardcodedSummaryFinder g_formatters; 680 681 std::call_once(g_initialize, [] () -> void { 682 g_formatters.push_back( 683 [](lldb_private::ValueObject& valobj, 684 lldb::DynamicValueType, 685 FormatManager&) -> TypeSummaryImpl::SharedPointer { 686 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags(), lldb_private::formatters::CXXFunctionPointerSummaryProvider, "Function pointer summary provider")); 687 if (valobj.GetCompilerType().IsFunctionPointerType()) 688 { 689 return formatter_sp; 690 } 691 return nullptr; 692 }); 693 g_formatters.push_back( 694 [](lldb_private::ValueObject& valobj, 695 lldb::DynamicValueType, 696 FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer { 697 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags() 698 .SetCascades(true) 699 .SetDontShowChildren(true) 700 .SetHideItemNames(true) 701 .SetShowMembersOneLiner(true) 702 .SetSkipPointers(true) 703 .SetSkipReferences(false), 704 lldb_private::formatters::VectorTypeSummaryProvider, 705 "vector_type pointer summary provider")); 706 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) 707 { 708 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 709 return formatter_sp; 710 } 711 return nullptr; 712 }); 713 }); 714 715 return g_formatters; 716 } 717 718 HardcodedFormatters::HardcodedSyntheticFinder 719 CPlusPlusLanguage::GetHardcodedSynthetics () 720 { 721 static std::once_flag g_initialize; 722 static ConstString g_vectortypes("VectorTypes"); 723 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; 724 725 std::call_once(g_initialize, [] () -> void { 726 g_formatters.push_back( 727 [](lldb_private::ValueObject& valobj, 728 lldb::DynamicValueType, 729 FormatManager& fmt_mgr) -> SyntheticChildren::SharedPointer { 730 static CXXSyntheticChildren::SharedPointer formatter_sp(new CXXSyntheticChildren(SyntheticChildren::Flags().SetCascades(true).SetSkipPointers(true).SetSkipReferences(true).SetNonCacheable(true), 731 "vector_type synthetic children", 732 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); 733 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) 734 { 735 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) 736 return formatter_sp; 737 } 738 return nullptr; 739 }); 740 }); 741 742 return g_formatters; 743 } 744 745