diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp | 792 |
1 files changed, 792 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp b/contrib/llvm/tools/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp new file mode 100644 index 0000000..a554aa5 --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp @@ -0,0 +1,792 @@ +//===-- CPlusPlusLanguage.cpp --------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "CPlusPlusLanguage.h" + + +#include "llvm/ADT/StringRef.h" + +#include "lldb/Core/ConstString.h" +#include "lldb/Core/PluginManager.h" +#include "lldb/Core/RegularExpression.h" +#include "lldb/Core/UniqueCStringMap.h" +#include "lldb/DataFormatters/CXXFunctionPointer.h" +#include "lldb/DataFormatters/DataVisualization.h" +#include "lldb/DataFormatters/FormattersHelpers.h" +#include "lldb/DataFormatters/VectorType.h" + +#include "CxxStringTypes.h" +#include "LibCxx.h" +#include "LibStdcpp.h" + +#include <cstring> +#include <cctype> +#include <functional> +#include <mutex> + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::formatters; + +void +CPlusPlusLanguage::Initialize() +{ + PluginManager::RegisterPlugin (GetPluginNameStatic(), + "C++ Language", + CreateInstance); +} + +void +CPlusPlusLanguage::Terminate() +{ + PluginManager::UnregisterPlugin (CreateInstance); +} + +lldb_private::ConstString +CPlusPlusLanguage::GetPluginNameStatic() +{ + static ConstString g_name("cplusplus"); + return g_name; +} + + +//------------------------------------------------------------------ +// PluginInterface protocol +//------------------------------------------------------------------ +lldb_private::ConstString +CPlusPlusLanguage::GetPluginName() +{ + return GetPluginNameStatic(); +} + +uint32_t +CPlusPlusLanguage::GetPluginVersion() +{ + return 1; +} + +//------------------------------------------------------------------ +// Static Functions +//------------------------------------------------------------------ +Language * +CPlusPlusLanguage::CreateInstance (lldb::LanguageType language) +{ + if (Language::LanguageIsCPlusPlus(language)) + return new CPlusPlusLanguage(); + return nullptr; +} + +void +CPlusPlusLanguage::MethodName::Clear() +{ + m_full.Clear(); + m_basename = llvm::StringRef(); + m_context = llvm::StringRef(); + m_arguments = llvm::StringRef(); + m_qualifiers = llvm::StringRef(); + m_type = eTypeInvalid; + m_parsed = false; + m_parse_error = false; +} + +bool +ReverseFindMatchingChars (const llvm::StringRef &s, + const llvm::StringRef &left_right_chars, + size_t &left_pos, + size_t &right_pos, + size_t pos = llvm::StringRef::npos) +{ + assert (left_right_chars.size() == 2); + left_pos = llvm::StringRef::npos; + const char left_char = left_right_chars[0]; + const char right_char = left_right_chars[1]; + pos = s.find_last_of(left_right_chars, pos); + if (pos == llvm::StringRef::npos || s[pos] == left_char) + return false; + right_pos = pos; + uint32_t depth = 1; + while (pos > 0 && depth > 0) + { + pos = s.find_last_of(left_right_chars, pos); + if (pos == llvm::StringRef::npos) + return false; + if (s[pos] == left_char) + { + if (--depth == 0) + { + left_pos = pos; + return left_pos < right_pos; + } + } + else if (s[pos] == right_char) + { + ++depth; + } + } + return false; +} + +static bool +IsValidBasename(const llvm::StringRef& basename) +{ + // Check that the basename matches with the following regular expression or is an operator name: + // "^~?([A-Za-z_][A-Za-z_0-9]*)(<.*>)?$" + // We are using a hand written implementation because it is significantly more efficient then + // using the general purpose regular expression library. + size_t idx = 0; + if (basename.size() > 0 && basename[0] == '~') + idx = 1; + + if (basename.size() <= idx) + return false; // Empty string or "~" + + if (!std::isalpha(basename[idx]) && basename[idx] != '_') + return false; // First charater (after removing the possible '~'') isn't in [A-Za-z_] + + // Read all characters matching [A-Za-z_0-9] + ++idx; + while (idx < basename.size()) + { + if (!std::isalnum(basename[idx]) && basename[idx] != '_') + break; + ++idx; + } + + // We processed all characters. It is a vaild basename. + if (idx == basename.size()) + return true; + + // Check for basename with template arguments + // TODO: Improve the quality of the validation with validating the template arguments + if (basename[idx] == '<' && basename.back() == '>') + return true; + + // Check if the basename is a vaild C++ operator name + if (!basename.startswith("operator")) + return false; + + static RegularExpression g_operator_regex("^(operator)( ?)([A-Za-z_][A-Za-z_0-9]*|\\(\\)|\\[\\]|[\\^<>=!\\/*+-]+)(<.*>)?(\\[\\])?$"); + std::string basename_str(basename.str()); + return g_operator_regex.Execute(basename_str.c_str(), nullptr); +} + +void +CPlusPlusLanguage::MethodName::Parse() +{ + if (!m_parsed && m_full) + { +// ConstString mangled; +// m_full.GetMangledCounterpart(mangled); +// printf ("\n parsing = '%s'\n", m_full.GetCString()); +// if (mangled) +// printf (" mangled = '%s'\n", mangled.GetCString()); + m_parse_error = false; + m_parsed = true; + llvm::StringRef full (m_full.GetCString()); + + size_t arg_start, arg_end; + llvm::StringRef parens("()", 2); + if (ReverseFindMatchingChars (full, parens, arg_start, arg_end)) + { + m_arguments = full.substr(arg_start, arg_end - arg_start + 1); + if (arg_end + 1 < full.size()) + m_qualifiers = full.substr(arg_end + 1); + if (arg_start > 0) + { + size_t basename_end = arg_start; + size_t context_start = 0; + size_t context_end = llvm::StringRef::npos; + if (basename_end > 0 && full[basename_end-1] == '>') + { + // TODO: handle template junk... + // Templated function + size_t template_start, template_end; + llvm::StringRef lt_gt("<>", 2); + if (ReverseFindMatchingChars (full, lt_gt, template_start, template_end, basename_end)) + { + // Check for templated functions that include return type like: 'void foo<Int>()' + context_start = full.rfind(' ', template_start); + if (context_start == llvm::StringRef::npos) + context_start = 0; + + context_end = full.rfind(':', template_start); + if (context_end == llvm::StringRef::npos || context_end < context_start) + context_end = context_start; + } + else + { + context_end = full.rfind(':', basename_end); + } + } + else if (context_end == llvm::StringRef::npos) + { + context_end = full.rfind(':', basename_end); + } + + if (context_end == llvm::StringRef::npos) + m_basename = full.substr(0, basename_end); + else + { + if (context_start < context_end) + m_context = full.substr(context_start, context_end - 1); + const size_t basename_begin = context_end + 1; + m_basename = full.substr(basename_begin, basename_end - basename_begin); + } + m_type = eTypeUnknownMethod; + } + else + { + m_parse_error = true; + return; + } + + if (!IsValidBasename(m_basename)) + { + // The C++ basename doesn't match our regular expressions so this can't + // be a valid C++ method, clear everything out and indicate an error + m_context = llvm::StringRef(); + m_basename = llvm::StringRef(); + m_arguments = llvm::StringRef(); + m_qualifiers = llvm::StringRef(); + m_parse_error = true; + } + } + else + { + m_parse_error = true; + } + } +} + +llvm::StringRef +CPlusPlusLanguage::MethodName::GetBasename () +{ + if (!m_parsed) + Parse(); + return m_basename; +} + +llvm::StringRef +CPlusPlusLanguage::MethodName::GetContext () +{ + if (!m_parsed) + Parse(); + return m_context; +} + +llvm::StringRef +CPlusPlusLanguage::MethodName::GetArguments () +{ + if (!m_parsed) + Parse(); + return m_arguments; +} + +llvm::StringRef +CPlusPlusLanguage::MethodName::GetQualifiers () +{ + if (!m_parsed) + Parse(); + return m_qualifiers; +} + +bool +CPlusPlusLanguage::IsCPPMangledName (const char *name) +{ + // FIXME, we should really run through all the known C++ Language plugins and ask each one if + // this is a C++ mangled name, but we can put that off till there is actually more than one + // we care about. + + if (name && name[0] == '_' && name[1] == 'Z') + return true; + else + return false; +} + +bool +CPlusPlusLanguage::ExtractContextAndIdentifier (const char *name, llvm::StringRef &context, llvm::StringRef &identifier) +{ + static RegularExpression g_basename_regex("^(([A-Za-z_][A-Za-z_0-9]*::)*)([A-Za-z_][A-Za-z_0-9]*)$"); + RegularExpression::Match match(4); + if (g_basename_regex.Execute (name, &match)) + { + match.GetMatchAtIndex(name, 1, context); + match.GetMatchAtIndex(name, 3, identifier); + return true; + } + return false; +} + +class CPPRuntimeEquivalents +{ +public: + CPPRuntimeEquivalents () + { + + m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("basic_string<char>")); + + // these two (with a prefixed std::) occur when c++stdlib string class occurs as a template argument in some STL container + m_impl.Append(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >").AsCString(), ConstString("std::basic_string<char>")); + + m_impl.Sort(); + } + + void + Add (ConstString& type_name, + ConstString& type_equivalent) + { + m_impl.Insert(type_name.AsCString(), type_equivalent); + } + + uint32_t + FindExactMatches (ConstString& type_name, + std::vector<ConstString>& equivalents) + { + + uint32_t count = 0; + + for (ImplData match = m_impl.FindFirstValueForName(type_name.AsCString()); + match != NULL; + match = m_impl.FindNextValueForName(match)) + { + equivalents.push_back(match->value); + count++; + } + + return count; + } + + // partial matches can occur when a name with equivalents is a template argument. + // e.g. we may have "class Foo" be a match for "struct Bar". if we have a typename + // such as "class Templatized<class Foo, Anything>" we want this to be replaced with + // "class Templatized<struct Bar, Anything>". Since partial matching is time consuming + // once we get a partial match, we add it to the exact matches list for faster retrieval + uint32_t + FindPartialMatches (ConstString& type_name, + std::vector<ConstString>& equivalents) + { + + uint32_t count = 0; + + const char* type_name_cstr = type_name.AsCString(); + + size_t items_count = m_impl.GetSize(); + + for (size_t item = 0; item < items_count; item++) + { + const char* key_cstr = m_impl.GetCStringAtIndex(item); + if ( strstr(type_name_cstr,key_cstr) ) + { + count += AppendReplacements(type_name_cstr, + key_cstr, + equivalents); + } + } + + return count; + + } + +private: + + std::string& replace (std::string& target, + std::string& pattern, + std::string& with) + { + size_t pos; + size_t pattern_len = pattern.size(); + + while ( (pos = target.find(pattern)) != std::string::npos ) + target.replace(pos, pattern_len, with); + + return target; + } + + uint32_t + AppendReplacements (const char* original, + const char *matching_key, + std::vector<ConstString>& equivalents) + { + + std::string matching_key_str(matching_key); + ConstString original_const(original); + + uint32_t count = 0; + + for (ImplData match = m_impl.FindFirstValueForName(matching_key); + match != NULL; + match = m_impl.FindNextValueForName(match)) + { + std::string target(original); + std::string equiv_class(match->value.AsCString()); + + replace (target, matching_key_str, equiv_class); + + ConstString target_const(target.c_str()); + +// you will most probably want to leave this off since it might make this map grow indefinitely +#ifdef ENABLE_CPP_EQUIVALENTS_MAP_TO_GROW + Add(original_const, target_const); +#endif + equivalents.push_back(target_const); + + count++; + } + + return count; + } + + typedef UniqueCStringMap<ConstString> Impl; + typedef const Impl::Entry* ImplData; + Impl m_impl; +}; + +static CPPRuntimeEquivalents& +GetEquivalentsMap () +{ + static CPPRuntimeEquivalents g_equivalents_map; + return g_equivalents_map; +} + + +uint32_t +CPlusPlusLanguage::FindEquivalentNames(ConstString type_name, std::vector<ConstString>& equivalents) +{ + uint32_t count = GetEquivalentsMap().FindExactMatches(type_name, equivalents); + + bool might_have_partials= + ( count == 0 ) // if we have a full name match just use it + && (strchr(type_name.AsCString(), '<') != NULL // we should only have partial matches when templates are involved, check that we have + && strchr(type_name.AsCString(), '>') != NULL); // angle brackets in the type_name before trying to scan for partial matches + + if ( might_have_partials ) + count = GetEquivalentsMap().FindPartialMatches(type_name, equivalents); + + return count; +} + +static void +LoadLibCxxFormatters (lldb::TypeCategoryImplSP cpp_category_sp) +{ + if (!cpp_category_sp) + return; + + TypeSummaryImpl::Flags stl_summary_flags; + stl_summary_flags.SetCascades(true) + .SetSkipPointers(false) + .SetSkipReferences(false) + .SetDontShowChildren(true) + .SetDontShowValue(true) + .SetShowMembersOneLiner(false) + .SetHideItemNames(false); + +#ifndef LLDB_DISABLE_PYTHON + lldb::TypeSummaryImplSP std_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxStringSummaryProvider, "std::string summary provider")); + lldb::TypeSummaryImplSP std_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, lldb_private::formatters::LibcxxWStringSummaryProvider, "std::wstring summary provider")); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::string"), + std_string_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >"), + std_string_summary_sp); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::wstring"), + std_wstring_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__1::basic_string<wchar_t, std::__1::char_traits<wchar_t>, std::__1::allocator<wchar_t> >"), + std_wstring_summary_sp); + + SyntheticChildren::Flags stl_synth_flags; + stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); + + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdVectorSyntheticFrontEndCreator, "libc++ std::vector synthetic children", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdListSyntheticFrontEndCreator, "libc++ std::list synthetic children", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::map synthetic children", ConstString("^std::__1::map<.+> >(( )?&)?$"), stl_synth_flags, true); + 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); + 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); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::set synthetic children", ConstString("^std::__1::set<.+> >(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multiset synthetic children", ConstString("^std::__1::multiset<.+> >(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdMapSyntheticFrontEndCreator, "libc++ std::multimap synthetic children", ConstString("^std::__1::multimap<.+> >(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator, "libc++ std::unordered containers synthetic children", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxInitializerListSyntheticFrontEndCreator, "libc++ std::initializer_list synthetic children", ConstString("^std::initializer_list<.+>(( )?&)?$"), stl_synth_flags, true); + + cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^(std::__1::)deque<.+>(( )?&)?$")), + SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, + "lldb.formatters.cpp.libcxx.stddeque_SynthProvider"))); + + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "shared_ptr synthetic children", ConstString("^(std::__1::)shared_ptr<.+>(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator, "weak_ptr synthetic children", ConstString("^(std::__1::)weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); + + stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(false); + 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); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector summary provider", ConstString("^std::__1::vector<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::list summary provider", ConstString("^std::__1::list<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::map summary provider", ConstString("^std::__1::map<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::deque summary provider", ConstString("^std::__1::deque<.+>(( )?&)?$"), stl_summary_flags, true); + 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); + 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); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::set summary provider", ConstString("^std::__1::set<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multiset summary provider", ConstString("^std::__1::multiset<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::multimap summary provider", ConstString("^std::__1::multimap<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::unordered containers summary provider", ConstString("^(std::__1::)unordered_(multi)?(map|set)<.+> >$"), stl_summary_flags, true); + + stl_summary_flags.SetSkipPointers(true); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::shared_ptr summary provider", ConstString("^std::__1::shared_ptr<.+>(( )?&)?$"), stl_summary_flags, true); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxSmartPointerSummaryProvider, "libc++ std::weak_ptr summary provider", ConstString("^std::__1::weak_ptr<.+>(( )?&)?$"), stl_summary_flags, true); + + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^std::__1::__wrap_iter<.+>$"), stl_synth_flags, true); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibcxxContainerSummaryProvider, "libc++ std::vector<bool> summary provider", ConstString("std::__1::vector<bool, std::__1::allocator<bool> >"), stl_summary_flags); + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::__1::__map_iterator<.+>$"), stl_synth_flags, true); + + AddFilter(cpp_category_sp, {"__a_"}, "libc++ std::atomic filter", ConstString("^std::__1::atomic<.*>$"), stl_synth_flags, true); +#endif +} + +static void +LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) +{ + if (!cpp_category_sp) + return; + + TypeSummaryImpl::Flags stl_summary_flags; + stl_summary_flags.SetCascades(true) + .SetSkipPointers(false) + .SetSkipReferences(false) + .SetDontShowChildren(true) + .SetDontShowValue(true) + .SetShowMembersOneLiner(false) + .SetHideItemNames(false); + + lldb::TypeSummaryImplSP std_string_summary_sp(new StringSummaryFormat(stl_summary_flags, + "${var._M_dataplus._M_p}")); + + lldb::TypeSummaryImplSP cxx11_string_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, + LibStdcppStringSummaryProvider, + "libstdc++ c++11 std::string summary provider")); + lldb::TypeSummaryImplSP cxx11_wstring_summary_sp(new CXXFunctionSummaryFormat(stl_summary_flags, + LibStdcppWStringSummaryProvider, + "libstdc++ c++11 std::wstring summary provider")); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::string"), + std_string_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char>"), + std_string_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char,std::char_traits<char>,std::allocator<char> >"), + std_string_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<char, std::char_traits<char>, std::allocator<char> >"), + std_string_summary_sp); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::string"), + cxx11_string_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >"), + cxx11_string_summary_sp); + + // making sure we force-pick the summary for printing wstring (_M_p is a wchar_t*) + lldb::TypeSummaryImplSP std_wstring_summary_sp(new StringSummaryFormat(stl_summary_flags, + "${var._M_dataplus._M_p%S}")); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::wstring"), + std_wstring_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t>"), + std_wstring_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t,std::char_traits<wchar_t>,std::allocator<wchar_t> >"), + std_wstring_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), + std_wstring_summary_sp); + + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::wstring"), + cxx11_wstring_summary_sp); + cpp_category_sp->GetTypeSummariesContainer()->Add(ConstString("std::__cxx11::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >"), + cxx11_wstring_summary_sp); + +#ifndef LLDB_DISABLE_PYTHON + + SyntheticChildren::Flags stl_synth_flags; + stl_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false); + + cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), + SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, + "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider"))); + cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), + SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, + "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider"))); + cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(RegularExpressionSP(new RegularExpression("^std::(__cxx11::)?list<.+>(( )?&)?$")), + SyntheticChildrenSP(new ScriptedSyntheticChildren(stl_synth_flags, + "lldb.formatters.cpp.gnu_libstdcpp.StdListSynthProvider"))); + stl_summary_flags.SetDontShowChildren(false);stl_summary_flags.SetSkipPointers(true); + cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::vector<.+>(( )?&)?$")), + TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, + "size=${svar%#}"))); + cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::map<.+> >(( )?&)?$")), + TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, + "size=${svar%#}"))); + cpp_category_sp->GetRegexTypeSummariesContainer()->Add(RegularExpressionSP(new RegularExpression("^std::(__cxx11::)?list<.+>(( )?&)?$")), + TypeSummaryImplSP(new StringSummaryFormat(stl_summary_flags, + "size=${svar%#}"))); + + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator, "std::vector iterator synthetic children", ConstString("^__gnu_cxx::__normal_iterator<.+>$"), stl_synth_flags, true); + + AddCXXSynthetic(cpp_category_sp, lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator, "std::map iterator synthetic children", ConstString("^std::_Rb_tree_iterator<.+>$"), stl_synth_flags, true); +#endif +} + +static void +LoadSystemFormatters(lldb::TypeCategoryImplSP cpp_category_sp) +{ + if (!cpp_category_sp) + return; + + TypeSummaryImpl::Flags string_flags; + string_flags.SetCascades(true) + .SetSkipPointers(true) + .SetSkipReferences(false) + .SetDontShowChildren(true) + .SetDontShowValue(false) + .SetShowMembersOneLiner(false) + .SetHideItemNames(false); + + TypeSummaryImpl::Flags string_array_flags; + string_array_flags.SetCascades(true) + .SetSkipPointers(true) + .SetSkipReferences(false) + .SetDontShowChildren(true) + .SetDontShowValue(true) + .SetShowMembersOneLiner(false) + .SetHideItemNames(false); + +#ifndef LLDB_DISABLE_PYTHON + // FIXME because of a bug in the FormattersContainer we need to add a summary for both X* and const X* (<rdar://problem/12717717>) + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "char16_t * summary provider", ConstString("char16_t *"), string_flags); + AddCXXSummary(cpp_category_sp, + lldb_private::formatters::Char16StringSummaryProvider, + "char16_t [] summary provider", + ConstString("char16_t \\[[0-9]+\\]"), + string_array_flags, + true); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32StringSummaryProvider, "char32_t * summary provider", ConstString("char32_t *"), string_flags); + AddCXXSummary(cpp_category_sp, + lldb_private::formatters::Char32StringSummaryProvider, + "char32_t [] summary provider", + ConstString("char32_t \\[[0-9]+\\]"), + string_array_flags, + true); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t *"), string_flags); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharStringSummaryProvider, "wchar_t * summary provider", ConstString("wchar_t \\[[0-9]+\\]"), string_array_flags, true); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16StringSummaryProvider, "unichar * summary provider", ConstString("unichar *"), string_flags); + + TypeSummaryImpl::Flags widechar_flags; + widechar_flags.SetDontShowValue(true) + .SetSkipPointers(true) + .SetSkipReferences(false) + .SetCascades(true) + .SetDontShowChildren(true) + .SetHideItemNames(true) + .SetShowMembersOneLiner(false); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "char16_t summary provider", ConstString("char16_t"), widechar_flags); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char32SummaryProvider, "char32_t summary provider", ConstString("char32_t"), widechar_flags); + AddCXXSummary(cpp_category_sp, lldb_private::formatters::WCharSummaryProvider, "wchar_t summary provider", ConstString("wchar_t"), widechar_flags); + + AddCXXSummary(cpp_category_sp, lldb_private::formatters::Char16SummaryProvider, "unichar summary provider", ConstString("unichar"), widechar_flags); +#endif +} + +lldb::TypeCategoryImplSP +CPlusPlusLanguage::GetFormatters () +{ + static std::once_flag g_initialize; + static TypeCategoryImplSP g_category; + + std::call_once(g_initialize, [this] () -> void { + DataVisualization::Categories::GetCategory(GetPluginName(), g_category); + if (g_category) + { + LoadLibCxxFormatters(g_category); + LoadLibStdcppFormatters(g_category); + LoadSystemFormatters(g_category); + } + }); + return g_category; +} + +HardcodedFormatters::HardcodedSummaryFinder +CPlusPlusLanguage::GetHardcodedSummaries () +{ + static std::once_flag g_initialize; + static ConstString g_vectortypes("VectorTypes"); + static HardcodedFormatters::HardcodedSummaryFinder g_formatters; + + std::call_once(g_initialize, [] () -> void { + g_formatters.push_back( + [](lldb_private::ValueObject& valobj, + lldb::DynamicValueType, + FormatManager&) -> TypeSummaryImpl::SharedPointer { + static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags(), lldb_private::formatters::CXXFunctionPointerSummaryProvider, "Function pointer summary provider")); + if (valobj.GetCompilerType().IsFunctionPointerType()) + { + return formatter_sp; + } + return nullptr; + }); + g_formatters.push_back( + [](lldb_private::ValueObject& valobj, + lldb::DynamicValueType, + FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer { + static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags() + .SetCascades(true) + .SetDontShowChildren(true) + .SetHideItemNames(true) + .SetShowMembersOneLiner(true) + .SetSkipPointers(true) + .SetSkipReferences(false), + lldb_private::formatters::VectorTypeSummaryProvider, + "vector_type pointer summary provider")); + if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) + { + if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) + return formatter_sp; + } + return nullptr; + }); + }); + + return g_formatters; +} + +HardcodedFormatters::HardcodedSyntheticFinder +CPlusPlusLanguage::GetHardcodedSynthetics () +{ + static std::once_flag g_initialize; + static ConstString g_vectortypes("VectorTypes"); + static HardcodedFormatters::HardcodedSyntheticFinder g_formatters; + + std::call_once(g_initialize, [] () -> void { + g_formatters.push_back( + [](lldb_private::ValueObject& valobj, + lldb::DynamicValueType, + FormatManager& fmt_mgr) -> SyntheticChildren::SharedPointer { + static CXXSyntheticChildren::SharedPointer formatter_sp(new CXXSyntheticChildren(SyntheticChildren::Flags().SetCascades(true).SetSkipPointers(true).SetSkipReferences(true).SetNonCacheable(true), + "vector_type synthetic children", + lldb_private::formatters::VectorTypeSyntheticFrontEndCreator)); + if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr)) + { + if (fmt_mgr.GetCategory(g_vectortypes)->IsEnabled()) + return formatter_sp; + } + return nullptr; + }); + }); + + return g_formatters; +} + |
