1 //===-- CPlusPlusLanguage.cpp -----------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "CPlusPlusLanguage.h"
22 // Other libraries and framework includes
23 #include "llvm/ADT/StringRef.h"
26 #include "lldb/Core/PluginManager.h"
27 #include "lldb/Core/UniqueCStringMap.h"
28 #include "lldb/DataFormatters/CXXFunctionPointer.h"
29 #include "lldb/DataFormatters/DataVisualization.h"
30 #include "lldb/DataFormatters/FormattersHelpers.h"
31 #include "lldb/DataFormatters/VectorType.h"
32 #include "lldb/Utility/ConstString.h"
33 #include "lldb/Utility/FastDemangle.h"
34 #include "lldb/Utility/Log.h"
35 #include "lldb/Utility/RegularExpression.h"
37 #include "BlockPointer.h"
38 #include "CPlusPlusNameParser.h"
39 #include "CxxStringTypes.h"
41 #include "LibCxxAtomic.h"
42 #include "LibStdcpp.h"
45 using namespace lldb_private;
46 using namespace lldb_private::formatters;
48 void CPlusPlusLanguage::Initialize() {
49 PluginManager::RegisterPlugin(GetPluginNameStatic(), "C++ Language",
53 void CPlusPlusLanguage::Terminate() {
54 PluginManager::UnregisterPlugin(CreateInstance);
57 lldb_private::ConstString CPlusPlusLanguage::GetPluginNameStatic() {
58 static ConstString g_name("cplusplus");
62 //------------------------------------------------------------------
63 // PluginInterface protocol
64 //------------------------------------------------------------------
66 lldb_private::ConstString CPlusPlusLanguage::GetPluginName() {
67 return GetPluginNameStatic();
70 uint32_t CPlusPlusLanguage::GetPluginVersion() { return 1; }
72 //------------------------------------------------------------------
74 //------------------------------------------------------------------
76 Language *CPlusPlusLanguage::CreateInstance(lldb::LanguageType language) {
77 if (Language::LanguageIsCPlusPlus(language))
78 return new CPlusPlusLanguage();
82 void CPlusPlusLanguage::MethodName::Clear() {
84 m_basename = llvm::StringRef();
85 m_context = llvm::StringRef();
86 m_arguments = llvm::StringRef();
87 m_qualifiers = llvm::StringRef();
89 m_parse_error = false;
92 static bool ReverseFindMatchingChars(const llvm::StringRef &s,
93 const llvm::StringRef &left_right_chars,
94 size_t &left_pos, size_t &right_pos,
95 size_t pos = llvm::StringRef::npos) {
96 assert(left_right_chars.size() == 2);
97 left_pos = llvm::StringRef::npos;
98 const char left_char = left_right_chars[0];
99 const char right_char = left_right_chars[1];
100 pos = s.find_last_of(left_right_chars, pos);
101 if (pos == llvm::StringRef::npos || s[pos] == left_char)
105 while (pos > 0 && depth > 0) {
106 pos = s.find_last_of(left_right_chars, pos);
107 if (pos == llvm::StringRef::npos)
109 if (s[pos] == left_char) {
112 return left_pos < right_pos;
114 } else if (s[pos] == right_char) {
121 static bool IsTrivialBasename(const llvm::StringRef &basename) {
122 // Check that the basename matches with the following regular expression
123 // "^~?([A-Za-z_][A-Za-z_0-9]*)$"
124 // We are using a hand written implementation because it is significantly more
126 // using the general purpose regular expression library.
128 if (basename.size() > 0 && basename[0] == '~')
131 if (basename.size() <= idx)
132 return false; // Empty string or "~"
134 if (!std::isalpha(basename[idx]) && basename[idx] != '_')
135 return false; // First charater (after removing the possible '~'') isn't in
138 // Read all characters matching [A-Za-z_0-9]
140 while (idx < basename.size()) {
141 if (!std::isalnum(basename[idx]) && basename[idx] != '_')
146 // We processed all characters. It is a vaild basename.
147 if (idx == basename.size())
153 bool CPlusPlusLanguage::MethodName::TrySimplifiedParse() {
154 // This method tries to parse simple method definitions
155 // which are presumably most comman in user programs.
156 // Definitions that can be parsed by this function don't have return types
157 // and templates in the name.
158 // A::B::C::fun(std::vector<T> &) const
159 size_t arg_start, arg_end;
160 llvm::StringRef full(m_full.GetCString());
161 llvm::StringRef parens("()", 2);
162 if (ReverseFindMatchingChars(full, parens, arg_start, arg_end)) {
163 m_arguments = full.substr(arg_start, arg_end - arg_start + 1);
164 if (arg_end + 1 < full.size())
165 m_qualifiers = full.substr(arg_end + 1).ltrim();
169 size_t basename_end = arg_start;
170 size_t context_start = 0;
171 size_t context_end = full.rfind(':', basename_end);
172 if (context_end == llvm::StringRef::npos)
173 m_basename = full.substr(0, basename_end);
175 if (context_start < context_end)
176 m_context = full.substr(context_start, context_end - 1 - context_start);
177 const size_t basename_begin = context_end + 1;
178 m_basename = full.substr(basename_begin, basename_end - basename_begin);
181 if (IsTrivialBasename(m_basename)) {
184 // The C++ basename doesn't match our regular expressions so this can't
185 // be a valid C++ method, clear everything out and indicate an error
186 m_context = llvm::StringRef();
187 m_basename = llvm::StringRef();
188 m_arguments = llvm::StringRef();
189 m_qualifiers = llvm::StringRef();
196 void CPlusPlusLanguage::MethodName::Parse() {
197 if (!m_parsed && m_full) {
198 if (TrySimplifiedParse()) {
199 m_parse_error = false;
201 CPlusPlusNameParser parser(m_full.GetStringRef());
202 if (auto function = parser.ParseAsFunctionDefinition()) {
203 m_basename = function.getValue().name.basename;
204 m_context = function.getValue().name.context;
205 m_arguments = function.getValue().arguments;
206 m_qualifiers = function.getValue().qualifiers;
207 m_parse_error = false;
209 m_parse_error = true;
216 llvm::StringRef CPlusPlusLanguage::MethodName::GetBasename() {
222 llvm::StringRef CPlusPlusLanguage::MethodName::GetContext() {
228 llvm::StringRef CPlusPlusLanguage::MethodName::GetArguments() {
234 llvm::StringRef CPlusPlusLanguage::MethodName::GetQualifiers() {
240 std::string CPlusPlusLanguage::MethodName::GetScopeQualifiedName() {
243 if (m_context.empty())
253 bool CPlusPlusLanguage::IsCPPMangledName(const char *name) {
254 // FIXME, we should really run through all the known C++ Language plugins and
256 // this is a C++ mangled name, but we can put that off till there is actually
260 return (name != nullptr && name[0] == '_' && name[1] == 'Z');
263 bool CPlusPlusLanguage::ExtractContextAndIdentifier(
264 const char *name, llvm::StringRef &context, llvm::StringRef &identifier) {
265 CPlusPlusNameParser parser(name);
266 if (auto full_name = parser.ParseAsFullName()) {
267 identifier = full_name.getValue().basename;
268 context = full_name.getValue().context;
274 /// Given a mangled function `mangled`, replace all the primitive function type
275 /// arguments of `search` with type `replace`.
276 static ConstString SubsPrimitiveParmItanium(llvm::StringRef mangled,
277 llvm::StringRef search,
278 llvm::StringRef replace) {
279 Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE);
281 const size_t max_len =
282 mangled.size() + mangled.count(search) * replace.size() + 1;
284 // Make a temporary buffer to fix up the mangled parameter types and copy the
286 std::string output_buf;
287 output_buf.reserve(max_len);
288 output_buf.insert(0, mangled.str());
289 ptrdiff_t replaced_offset = 0;
291 auto swap_parms_hook = [&](const char *parsee) {
292 if (!parsee || !*parsee)
295 // Check whether we've found a substitutee
296 llvm::StringRef s(parsee);
297 if (s.startswith(search)) {
298 // account for the case where a replacement is of a different length to
300 replaced_offset += replace.size() - search.size();
302 ptrdiff_t replace_idx = (mangled.size() - s.size()) + replaced_offset;
303 output_buf.erase(replace_idx, search.size());
304 output_buf.insert(replace_idx, replace.str());
308 // FastDemangle will call our hook for each instance of a primitive type,
309 // allowing us to perform substitution
310 const char *const demangled =
311 FastDemangle(mangled.str().c_str(), mangled.size(), swap_parms_hook);
314 log->Printf("substituted mangling for %s:{%s} %s:{%s}\n",
315 mangled.str().c_str(), demangled, output_buf.c_str(),
316 FastDemangle(output_buf.c_str()));
318 return output_buf == mangled ? ConstString() : ConstString(output_buf);
321 uint32_t CPlusPlusLanguage::FindAlternateFunctionManglings(
322 const ConstString mangled_name, std::set<ConstString> &alternates) {
323 const auto start_size = alternates.size();
324 /// Get a basic set of alternative manglings for the given symbol `name`, by
325 /// making a few basic possible substitutions on basic types, storage duration
326 /// and `const`ness for the given symbol. The output parameter `alternates`
327 /// is filled with a best-guess, non-exhaustive set of different manglings
328 /// for the given name.
330 // Maybe we're looking for a const symbol but the debug info told us it was
332 if (!strncmp(mangled_name.GetCString(), "_ZN", 3) &&
333 strncmp(mangled_name.GetCString(), "_ZNK", 4)) {
334 std::string fixed_scratch("_ZNK");
335 fixed_scratch.append(mangled_name.GetCString() + 3);
336 alternates.insert(ConstString(fixed_scratch));
339 // Maybe we're looking for a static symbol but we thought it was global...
340 if (!strncmp(mangled_name.GetCString(), "_Z", 2) &&
341 strncmp(mangled_name.GetCString(), "_ZL", 3)) {
342 std::string fixed_scratch("_ZL");
343 fixed_scratch.append(mangled_name.GetCString() + 2);
344 alternates.insert(ConstString(fixed_scratch));
347 // `char` is implementation defined as either `signed` or `unsigned`. As a
348 // result a char parameter has 3 possible manglings: 'c'-char, 'a'-signed
349 // char, 'h'-unsigned char. If we're looking for symbols with a signed char
350 // parameter, try finding matches which have the general case 'c'.
351 if (ConstString char_fixup =
352 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "a", "c"))
353 alternates.insert(char_fixup);
355 // long long parameter mangling 'x', may actually just be a long 'l' argument
356 if (ConstString long_fixup =
357 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "x", "l"))
358 alternates.insert(long_fixup);
360 // unsigned long long parameter mangling 'y', may actually just be unsigned
362 if (ConstString ulong_fixup =
363 SubsPrimitiveParmItanium(mangled_name.GetStringRef(), "y", "m"))
364 alternates.insert(ulong_fixup);
366 return alternates.size() - start_size;
369 static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
370 if (!cpp_category_sp)
373 TypeSummaryImpl::Flags stl_summary_flags;
374 stl_summary_flags.SetCascades(true)
375 .SetSkipPointers(false)
376 .SetSkipReferences(false)
377 .SetDontShowChildren(true)
378 .SetDontShowValue(true)
379 .SetShowMembersOneLiner(false)
380 .SetHideItemNames(false);
382 #ifndef LLDB_DISABLE_PYTHON
383 lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat(
384 stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider,
385 "std::string summary provider"));
386 lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat(
387 stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider,
388 "std::wstring summary provider"));
390 cpp_category_sp->GetTypeSummariesContainer()->Add(
391 ConstString("std::__1::string"), std_string_summary_sp);
392 cpp_category_sp->GetTypeSummariesContainer()->Add(
393 ConstString("std::__ndk1::string"), std_string_summary_sp);
394 cpp_category_sp->GetTypeSummariesContainer()->Add(
395 ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, "
396 "std::__1::allocator<char> >"),
397 std_string_summary_sp);
398 cpp_category_sp->GetTypeSummariesContainer()->Add(
399 ConstString("std::__ndk1::basic_string<char, "
400 "std::__ndk1::char_traits<char>, "
401 "std::__ndk1::allocator<char> >"),
402 std_string_summary_sp);
404 cpp_category_sp->GetTypeSummariesContainer()->Add(
405 ConstString("std::__1::wstring"), std_wstring_summary_sp);
406 cpp_category_sp->GetTypeSummariesContainer()->Add(
407 ConstString("std::__ndk1::wstring"), std_wstring_summary_sp);
408 cpp_category_sp->GetTypeSummariesContainer()->Add(
409 ConstString("std::__1::basic_string<wchar_t, "
410 "std::__1::char_traits<wchar_t>, "
411 "std::__1::allocator<wchar_t> >"),
412 std_wstring_summary_sp);
413 cpp_category_sp->GetTypeSummariesContainer()->Add(
414 ConstString("std::__ndk1::basic_string<wchar_t, "
415 "std::__ndk1::char_traits<wchar_t>, "
416 "std::__ndk1::allocator<wchar_t> >"),
417 std_wstring_summary_sp);
419 SyntheticChildren::Flags stl_synth_flags;
420 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(
425 lldb_private::formatters::LibcxxBitsetSyntheticFrontEndCreator,
426 "libc++ std::bitset synthetic children",
427 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"), stl_synth_flags,
431 lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator,
432 "libc++ std::vector synthetic children",
433 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"), stl_synth_flags,
437 lldb_private::formatters::LibcxxStdForwardListSyntheticFrontEndCreator,
438 "libc++ std::forward_list synthetic children",
439 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"),
440 stl_synth_flags, true);
443 lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator,
444 "libc++ std::list synthetic children",
445 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"), stl_synth_flags, true);
448 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator,
449 "libc++ std::map synthetic children",
450 ConstString("^std::__(ndk)?1::map<.+> >(( )?&)?$"), stl_synth_flags,
454 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator,
455 "libc++ std::set synthetic children",
456 ConstString("^std::__(ndk)?1::set<.+> >(( )?&)?$"), stl_synth_flags,
460 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator,
461 "libc++ std::multiset synthetic children",
462 ConstString("^std::__(ndk)?1::multiset<.+> >(( )?&)?$"), stl_synth_flags,
466 lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator,
467 "libc++ std::multimap synthetic children",
468 ConstString("^std::__(ndk)?1::multimap<.+> >(( )?&)?$"), stl_synth_flags,
472 lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator,
473 "libc++ std::unordered containers synthetic children",
474 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"),
475 stl_synth_flags, true);
478 lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator,
479 "libc++ std::initializer_list synthetic children",
480 ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags,
482 AddCXXSynthetic(cpp_category_sp, LibcxxQueueFrontEndCreator,
483 "libc++ std::queue synthetic children",
484 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"),
485 stl_synth_flags, true);
486 AddCXXSynthetic(cpp_category_sp, LibcxxTupleFrontEndCreator,
487 "libc++ std::tuple synthetic children",
488 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_synth_flags,
492 lldb_private::formatters::LibcxxAtomicSyntheticFrontEndCreator,
493 "libc++ std::atomic synthetic children",
494 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_synth_flags, true);
496 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
497 RegularExpressionSP(new RegularExpression(
498 llvm::StringRef("^(std::__(ndk)?1::)deque<.+>(( )?&)?$"))),
499 SyntheticChildrenSP(new ScriptedSyntheticChildren(
501 "lldb.formatters.cpp.libcxx.stddeque_SynthProvider")));
505 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator,
506 "shared_ptr synthetic children",
507 ConstString("^(std::__(ndk)?1::)shared_ptr<.+>(( )?&)?$"),
508 stl_synth_flags, true);
511 lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator,
512 "weak_ptr synthetic children",
513 ConstString("^(std::__(ndk)?1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags,
516 stl_summary_flags.SetDontShowChildren(false);
517 stl_summary_flags.SetSkipPointers(false);
518 AddCXXSummary(cpp_category_sp,
519 lldb_private::formatters::LibcxxContainerSummaryProvider,
520 "libc++ std::bitset summary provider",
521 ConstString("^std::__(ndk)?1::bitset<.+>(( )?&)?$"),
522 stl_summary_flags, true);
523 AddCXXSummary(cpp_category_sp,
524 lldb_private::formatters::LibcxxContainerSummaryProvider,
525 "libc++ std::vector summary provider",
526 ConstString("^std::__(ndk)?1::vector<.+>(( )?&)?$"),
527 stl_summary_flags, true);
528 AddCXXSummary(cpp_category_sp,
529 lldb_private::formatters::LibcxxContainerSummaryProvider,
530 "libc++ std::list summary provider",
531 ConstString("^std::__(ndk)?1::forward_list<.+>(( )?&)?$"),
532 stl_summary_flags, true);
533 AddCXXSummary(cpp_category_sp,
534 lldb_private::formatters::LibcxxContainerSummaryProvider,
535 "libc++ std::list summary provider",
536 ConstString("^std::__(ndk)?1::list<.+>(( )?&)?$"),
537 stl_summary_flags, true);
538 AddCXXSummary(cpp_category_sp,
539 lldb_private::formatters::LibcxxContainerSummaryProvider,
540 "libc++ std::map summary provider",
541 ConstString("^std::__(ndk)?1::map<.+>(( )?&)?$"),
542 stl_summary_flags, true);
543 AddCXXSummary(cpp_category_sp,
544 lldb_private::formatters::LibcxxContainerSummaryProvider,
545 "libc++ std::deque summary provider",
546 ConstString("^std::__(ndk)?1::deque<.+>(( )?&)?$"),
547 stl_summary_flags, true);
548 AddCXXSummary(cpp_category_sp,
549 lldb_private::formatters::LibcxxContainerSummaryProvider,
550 "libc++ std::queue summary provider",
551 ConstString("^std::__(ndk)?1::queue<.+>(( )?&)?$"),
552 stl_summary_flags, true);
553 AddCXXSummary(cpp_category_sp,
554 lldb_private::formatters::LibcxxContainerSummaryProvider,
555 "libc++ std::set summary provider",
556 ConstString("^std::__(ndk)?1::set<.+>(( )?&)?$"),
557 stl_summary_flags, true);
558 AddCXXSummary(cpp_category_sp,
559 lldb_private::formatters::LibcxxContainerSummaryProvider,
560 "libc++ std::multiset summary provider",
561 ConstString("^std::__(ndk)?1::multiset<.+>(( )?&)?$"),
562 stl_summary_flags, true);
563 AddCXXSummary(cpp_category_sp,
564 lldb_private::formatters::LibcxxContainerSummaryProvider,
565 "libc++ std::multimap summary provider",
566 ConstString("^std::__(ndk)?1::multimap<.+>(( )?&)?$"),
567 stl_summary_flags, true);
569 cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider,
570 "libc++ std::unordered containers summary provider",
571 ConstString("^(std::__(ndk)?1::)unordered_(multi)?(map|set)<.+> >$"),
572 stl_summary_flags, true);
573 AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider,
574 "libc++ std::tuple summary provider",
575 ConstString("^std::__(ndk)?1::tuple<.*>(( )?&)?$"), stl_summary_flags,
578 cpp_category_sp, lldb_private::formatters::LibCxxAtomicSummaryProvider,
579 "libc++ std::atomic summary provider",
580 ConstString("^std::__(ndk)?1::atomic<.+>$"), stl_summary_flags, true);
582 stl_summary_flags.SetSkipPointers(true);
584 AddCXXSummary(cpp_category_sp,
585 lldb_private::formatters::LibcxxSmartPointerSummaryProvider,
586 "libc++ std::shared_ptr summary provider",
587 ConstString("^std::__(ndk)?1::shared_ptr<.+>(( )?&)?$"),
588 stl_summary_flags, true);
589 AddCXXSummary(cpp_category_sp,
590 lldb_private::formatters::LibcxxSmartPointerSummaryProvider,
591 "libc++ std::weak_ptr summary provider",
592 ConstString("^std::__(ndk)?1::weak_ptr<.+>(( )?&)?$"),
593 stl_summary_flags, true);
597 lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator,
598 "std::vector iterator synthetic children",
599 ConstString("^std::__(ndk)?1::__wrap_iter<.+>$"), stl_synth_flags, true);
603 lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator,
604 "std::map iterator synthetic children",
605 ConstString("^std::__(ndk)?1::__map_iterator<.+>$"), stl_synth_flags,
609 cpp_category_sp, lldb_private::formatters::LibcxxFunctionFrontEndCreator,
610 "std::function synthetic value provider",
611 ConstString("^std::__(ndk)?1::function<.+>$"), stl_synth_flags, true);
615 static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
616 if (!cpp_category_sp)
619 TypeSummaryImpl::Flags stl_summary_flags;
620 stl_summary_flags.SetCascades(true)
621 .SetSkipPointers(false)
622 .SetSkipReferences(false)
623 .SetDontShowChildren(true)
624 .SetDontShowValue(true)
625 .SetShowMembersOneLiner(false)
626 .SetHideItemNames(false);
628 lldb::TypeSummaryImplSP std_string_summary_sp(
629 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p}"));
631 lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat(
632 stl_summary_flags, LibStdcppStringSummaryProvider,
633 "libstdc++ c++11 std::string summary provider"));
634 lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat(
635 stl_summary_flags, LibStdcppWStringSummaryProvider,
636 "libstdc++ c++11 std::wstring summary provider"));
638 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"),
639 std_string_summary_sp);
640 cpp_category_sp->GetTypeSummariesContainer()->Add(
641 ConstString("std::basic_string<char>"), std_string_summary_sp);
642 cpp_category_sp->GetTypeSummariesContainer()->Add(
643 ConstString("std::basic_string<char,std::char_traits<char>,std::"
644 "allocator<char> >"),
645 std_string_summary_sp);
646 cpp_category_sp->GetTypeSummariesContainer()->Add(
647 ConstString("std::basic_string<char, std::char_traits<char>, "
648 "std::allocator<char> >"),
649 std_string_summary_sp);
651 cpp_category_sp->GetTypeSummariesContainer()->Add(
652 ConstString("std::__cxx11::string"), cxx11_string_summary_sp);
653 cpp_category_sp->GetTypeSummariesContainer()->Add(
654 ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, "
655 "std::allocator<char> >"),
656 cxx11_string_summary_sp);
658 // making sure we force-pick the summary for printing wstring (_M_p is a
660 lldb::TypeSummaryImplSP std_wstring_summary_sp(
661 new StringSummaryFormat(stl_summary_flags, "${var._M_dataplus._M_p%S}"));
663 cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"),
664 std_wstring_summary_sp);
665 cpp_category_sp->GetTypeSummariesContainer()->Add(
666 ConstString("std::basic_string<wchar_t>"), std_wstring_summary_sp);
667 cpp_category_sp->GetTypeSummariesContainer()->Add(
668 ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::"
669 "allocator<wchar_t> >"),
670 std_wstring_summary_sp);
671 cpp_category_sp->GetTypeSummariesContainer()->Add(
672 ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, "
673 "std::allocator<wchar_t> >"),
674 std_wstring_summary_sp);
676 cpp_category_sp->GetTypeSummariesContainer()->Add(
677 ConstString("std::__cxx11::wstring"), cxx11_wstring_summary_sp);
678 cpp_category_sp->GetTypeSummariesContainer()->Add(
679 ConstString("std::__cxx11::basic_string<wchar_t, "
680 "std::char_traits<wchar_t>, std::allocator<wchar_t> >"),
681 cxx11_wstring_summary_sp);
683 #ifndef LLDB_DISABLE_PYTHON
685 SyntheticChildren::Flags stl_synth_flags;
686 stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(
689 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
691 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))),
692 SyntheticChildrenSP(new ScriptedSyntheticChildren(
694 "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider")));
695 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
697 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))),
698 SyntheticChildrenSP(new ScriptedSyntheticChildren(
700 "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider")));
701 cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
702 RegularExpressionSP(new RegularExpression(
703 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))),
704 SyntheticChildrenSP(new ScriptedSyntheticChildren(
706 "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider")));
707 stl_summary_flags.SetDontShowChildren(false);
708 stl_summary_flags.SetSkipPointers(true);
709 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
711 new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))),
713 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
714 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
716 new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))),
718 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
719 cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
720 RegularExpressionSP(new RegularExpression(
721 llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))),
723 new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
727 lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator,
728 "std::vector iterator synthetic children",
729 ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true);
733 lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator,
734 "std::map iterator synthetic children",
735 ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true);
739 lldb_private::formatters::LibStdcppUniquePtrSyntheticFrontEndCreator,
740 "std::unique_ptr synthetic children",
741 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_synth_flags, true);
744 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator,
745 "std::shared_ptr synthetic children",
746 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true);
749 lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator,
750 "std::weak_ptr synthetic children",
751 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true);
754 lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator,
755 "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"),
756 stl_synth_flags, true);
758 AddCXXSummary(cpp_category_sp,
759 lldb_private::formatters::LibStdcppUniquePointerSummaryProvider,
760 "libstdc++ std::unique_ptr summary provider",
761 ConstString("^std::unique_ptr<.+>(( )?&)?$"), stl_summary_flags,
763 AddCXXSummary(cpp_category_sp,
764 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider,
765 "libstdc++ std::shared_ptr summary provider",
766 ConstString("^std::shared_ptr<.+>(( )?&)?$"), stl_summary_flags,
768 AddCXXSummary(cpp_category_sp,
769 lldb_private::formatters::LibStdcppSmartPointerSummaryProvider,
770 "libstdc++ std::weak_ptr summary provider",
771 ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_summary_flags,
776 static void LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
777 if (!cpp_category_sp)
780 TypeSummaryImpl::Flags string_flags;
781 string_flags.SetCascades(true)
782 .SetSkipPointers(true)
783 .SetSkipReferences(false)
784 .SetDontShowChildren(true)
785 .SetDontShowValue(false)
786 .SetShowMembersOneLiner(false)
787 .SetHideItemNames(false);
789 TypeSummaryImpl::Flags string_array_flags;
790 string_array_flags.SetCascades(true)
791 .SetSkipPointers(true)
792 .SetSkipReferences(false)
793 .SetDontShowChildren(true)
794 .SetDontShowValue(true)
795 .SetShowMembersOneLiner(false)
796 .SetHideItemNames(false);
798 #ifndef LLDB_DISABLE_PYTHON
799 // FIXME because of a bug in the FormattersContainer we need to add a summary
800 // for both X* and const X* (<rdar://problem/12717717>)
802 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider,
803 "char16_t * summary provider", ConstString("char16_t *"), string_flags);
804 AddCXXSummary(cpp_category_sp,
805 lldb_private::formatters::Char16StringSummaryProvider,
806 "char16_t [] summary provider",
807 ConstString("char16_t \\[[0-9]+\\]"), string_array_flags, true);
810 cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider,
811 "char32_t * summary provider", ConstString("char32_t *"), string_flags);
812 AddCXXSummary(cpp_category_sp,
813 lldb_private::formatters::Char32StringSummaryProvider,
814 "char32_t [] summary provider",
815 ConstString("char32_t \\[[0-9]+\\]"), string_array_flags, true);
818 cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider,
819 "wchar_t * summary provider", ConstString("wchar_t *"), string_flags);
820 AddCXXSummary(cpp_category_sp,
821 lldb_private::formatters::WCharStringSummaryProvider,
822 "wchar_t * summary provider",
823 ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true);
826 cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider,
827 "unichar * summary provider", ConstString("unichar *"), string_flags);
829 TypeSummaryImpl::Flags widechar_flags;
830 widechar_flags.SetDontShowValue(true)
831 .SetSkipPointers(true)
832 .SetSkipReferences(false)
834 .SetDontShowChildren(true)
835 .SetHideItemNames(true)
836 .SetShowMembersOneLiner(false);
839 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider,
840 "char16_t summary provider", ConstString("char16_t"), widechar_flags);
842 cpp_category_sp, lldb_private::formatters::Char32SummaryProvider,
843 "char32_t summary provider", ConstString("char32_t"), widechar_flags);
844 AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider,
845 "wchar_t summary provider", ConstString("wchar_t"),
849 cpp_category_sp, lldb_private::formatters::Char16SummaryProvider,
850 "unichar summary provider", ConstString("unichar"), widechar_flags);
854 std::unique_ptr<Language::TypeScavenger> CPlusPlusLanguage::GetTypeScavenger() {
855 class CPlusPlusTypeScavenger : public Language::ImageListTypeScavenger {
857 virtual CompilerType AdjustForInclusion(CompilerType &candidate) override {
858 LanguageType lang_type(candidate.GetMinimumLanguage());
859 if (!Language::LanguageIsC(lang_type) &&
860 !Language::LanguageIsCPlusPlus(lang_type))
861 return CompilerType();
862 if (candidate.IsTypedefType())
863 return candidate.GetTypedefedType();
868 return std::unique_ptr<TypeScavenger>(new CPlusPlusTypeScavenger());
871 lldb::TypeCategoryImplSP CPlusPlusLanguage::GetFormatters() {
872 static llvm::once_flag g_initialize;
873 static TypeCategoryImplSP g_category;
875 llvm::call_once(g_initialize, [this]() -> void {
876 DataVisualization::Categories::GetCategory(GetPluginName(), g_category);
878 LoadLibCxxFormatters(g_category);
879 LoadLibStdcppFormatters(g_category);
880 LoadSystemFormatters(g_category);
886 HardcodedFormatters::HardcodedSummaryFinder
887 CPlusPlusLanguage::GetHardcodedSummaries() {
888 static llvm::once_flag g_initialize;
889 static ConstString g_vectortypes("VectorTypes");
890 static HardcodedFormatters::HardcodedSummaryFinder g_formatters;
892 llvm::call_once(g_initialize, []() -> void {
893 g_formatters.push_back(
894 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType,
895 FormatManager &) -> TypeSummaryImpl::SharedPointer {
896 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(
897 new CXXFunctionSummaryFormat(
898 TypeSummaryImpl::Flags(),
899 lldb_private::formatters::CXXFunctionPointerSummaryProvider,
900 "Function pointer summary provider"));
901 if (valobj.GetCompilerType().IsFunctionPointerType()) {
906 g_formatters.push_back(
907 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType,
908 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer {
909 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(
910 new CXXFunctionSummaryFormat(
911 TypeSummaryImpl::Flags()
913 .SetDontShowChildren(true)
914 .SetHideItemNames(true)
915 .SetShowMembersOneLiner(true)
916 .SetSkipPointers(true)
917 .SetSkipReferences(false),
918 lldb_private::formatters::VectorTypeSummaryProvider,
919 "vector_type pointer summary provider"));
920 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) {
921 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled())
926 g_formatters.push_back(
927 [](lldb_private::ValueObject &valobj, lldb::DynamicValueType,
928 FormatManager &fmt_mgr) -> TypeSummaryImpl::SharedPointer {
929 static CXXFunctionSummaryFormat::SharedPointer formatter_sp(
930 new CXXFunctionSummaryFormat(
931 TypeSummaryImpl::Flags()
933 .SetDontShowChildren(true)
934 .SetHideItemNames(true)
935 .SetShowMembersOneLiner(true)
936 .SetSkipPointers(true)
937 .SetSkipReferences(false),
938 lldb_private::formatters::BlockPointerSummaryProvider,
939 "block pointer summary provider"));
940 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) {
950 HardcodedFormatters::HardcodedSyntheticFinder
951 CPlusPlusLanguage::GetHardcodedSynthetics() {
952 static llvm::once_flag g_initialize;
953 static ConstString g_vectortypes("VectorTypes");
954 static HardcodedFormatters::HardcodedSyntheticFinder g_formatters;
956 llvm::call_once(g_initialize, []() -> void {
957 g_formatters.push_back([](lldb_private::ValueObject &valobj,
958 lldb::DynamicValueType,
960 fmt_mgr) -> SyntheticChildren::SharedPointer {
961 static CXXSyntheticChildren::SharedPointer formatter_sp(
962 new CXXSyntheticChildren(
963 SyntheticChildren::Flags()
965 .SetSkipPointers(true)
966 .SetSkipReferences(true)
967 .SetNonCacheable(true),
968 "vector_type synthetic children",
969 lldb_private::formatters::VectorTypeSyntheticFrontEndCreator));
970 if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) {
971 if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled())
976 g_formatters.push_back([](lldb_private::ValueObject &valobj,
977 lldb::DynamicValueType,
979 fmt_mgr) -> SyntheticChildren::SharedPointer {
980 static CXXSyntheticChildren::SharedPointer formatter_sp(
981 new CXXSyntheticChildren(
982 SyntheticChildren::Flags()
984 .SetSkipPointers(true)
985 .SetSkipReferences(true)
986 .SetNonCacheable(true),
987 "block pointer synthetic children",
988 lldb_private::formatters::BlockPointerSyntheticFrontEndCreator));
989 if (valobj.GetCompilerType().IsBlockPointerType(nullptr)) {