jankratochvil updated this revision to Diff 215895.

Repository:
  rLLDB LLDB

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66398/new/

https://reviews.llvm.org/D66398

Files:
  lldb/include/lldb/Breakpoint/BreakpointResolverName.h
  lldb/include/lldb/DataFormatters/FormattersContainer.h
  lldb/include/lldb/DataFormatters/TypeCategory.h
  lldb/include/lldb/Target/Target.h
  lldb/include/lldb/Utility/RegularExpression.h
  lldb/source/API/SBTarget.cpp
  lldb/source/API/SBTypeCategory.cpp
  lldb/source/Breakpoint/BreakpointResolverName.cpp
  lldb/source/Commands/CommandObjectBreakpoint.cpp
  lldb/source/Commands/CommandObjectType.cpp
  lldb/source/DataFormatters/FormatManager.cpp
  lldb/source/DataFormatters/FormattersHelpers.cpp
  lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
  lldb/source/Target/Target.cpp

Index: lldb/source/Target/Target.cpp
===================================================================
--- lldb/source/Target/Target.cpp
+++ lldb/source/Target/Target.cpp
@@ -307,14 +307,14 @@
     const FileSpecList *containingModules,
     const FileSpecList *source_file_spec_list,
     const std::unordered_set<std::string> &function_names,
-    RegularExpression &source_regex, bool internal, bool hardware,
+    RegularExpression &&source_regex, bool internal, bool hardware,
     LazyBool move_to_nearest_code) {
   SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
       containingModules, source_file_spec_list));
   if (move_to_nearest_code == eLazyBoolCalculate)
     move_to_nearest_code = GetMoveToNearestCode() ? eLazyBoolYes : eLazyBoolNo;
   BreakpointResolverSP resolver_sp(new BreakpointResolverFileRegex(
-      nullptr, source_regex, function_names,
+      nullptr, std::move(source_regex), function_names,
       !static_cast<bool>(move_to_nearest_code)));
 
   return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
@@ -549,7 +549,7 @@
 
 BreakpointSP Target::CreateFuncRegexBreakpoint(
     const FileSpecList *containingModules,
-    const FileSpecList *containingSourceFiles, RegularExpression &func_regex,
+    const FileSpecList *containingSourceFiles, RegularExpression &&func_regex,
     lldb::LanguageType requested_language, LazyBool skip_prologue,
     bool internal, bool hardware) {
   SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList(
@@ -558,7 +558,7 @@
                   ? GetSkipPrologue()
                   : static_cast<bool>(skip_prologue);
   BreakpointResolverSP resolver_sp(new BreakpointResolverName(
-      nullptr, func_regex, requested_language, 0, skip));
+      nullptr, std::move(func_regex), requested_language, 0, skip));
 
   return CreateBreakpoint(filter_sp, resolver_sp, internal, hardware, true);
 }
Index: lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
===================================================================
--- lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -547,8 +547,8 @@
       ConstString("^std::__[[:alnum:]]+::atomic<.+>$"), stl_synth_flags, true);
 
   cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
-      RegularExpressionSP(new RegularExpression(
-          llvm::StringRef("^(std::__[[:alnum:]]+::)deque<.+>(( )?&)?$"))),
+      RegularExpression(
+          llvm::StringRef("^(std::__[[:alnum:]]+::)deque<.+>(( )?&)?$")),
       SyntheticChildrenSP(new ScriptedSyntheticChildren(
           stl_synth_flags,
           "lldb.formatters.cpp.libcxx.stddeque_SynthProvider")));
@@ -744,38 +744,32 @@
       false);
 
   cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
-      RegularExpressionSP(
-          new RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$")),
       SyntheticChildrenSP(new ScriptedSyntheticChildren(
           stl_synth_flags,
           "lldb.formatters.cpp.gnu_libstdcpp.StdVectorSynthProvider")));
   cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
-      RegularExpressionSP(
-          new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$")),
       SyntheticChildrenSP(new ScriptedSyntheticChildren(
           stl_synth_flags,
           "lldb.formatters.cpp.gnu_libstdcpp.StdMapSynthProvider")));
   cpp_category_sp->GetRegexTypeSyntheticsContainer()->Add(
-      RegularExpressionSP(new RegularExpression(
-          llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$")),
       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(llvm::StringRef("^std::vector<.+>(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::vector<.+>(( )?&)?$")),
       TypeSummaryImplSP(
           new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
   cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
-      RegularExpressionSP(
-          new RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::map<.+> >(( )?&)?$")),
       TypeSummaryImplSP(
           new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
   cpp_category_sp->GetRegexTypeSummariesContainer()->Add(
-      RegularExpressionSP(new RegularExpression(
-          llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$"))),
+      RegularExpression(llvm::StringRef("^std::(__cxx11::)?list<.+>(( )?&)?$")),
       TypeSummaryImplSP(
           new StringSummaryFormat(stl_summary_flags, "size=${svar%#}")));
 
Index: lldb/source/DataFormatters/FormattersHelpers.cpp
===================================================================
--- lldb/source/DataFormatters/FormattersHelpers.cpp
+++ lldb/source/DataFormatters/FormattersHelpers.cpp
@@ -29,10 +29,10 @@
 
   if (regex)
     category_sp->GetRegexTypeFormatsContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        format_sp);
+        RegularExpression(type_name.GetStringRef()), format_sp);
   else
-    category_sp->GetTypeFormatsContainer()->Add(type_name, format_sp);
+    category_sp->GetTypeFormatsContainer()->Add(std::move(type_name),
+                                                format_sp);
 }
 
 void lldb_private::formatters::AddSummary(
@@ -40,10 +40,10 @@
     ConstString type_name, bool regex) {
   if (regex)
     category_sp->GetRegexTypeSummariesContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        summary_sp);
+        RegularExpression(type_name.GetStringRef()), summary_sp);
   else
-    category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
+    category_sp->GetTypeSummariesContainer()->Add(std::move(type_name),
+                                                  summary_sp);
 }
 
 void lldb_private::formatters::AddStringSummary(
@@ -53,10 +53,10 @@
 
   if (regex)
     category_sp->GetRegexTypeSummariesContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        summary_sp);
+        RegularExpression(type_name.GetStringRef()), summary_sp);
   else
-    category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
+    category_sp->GetTypeSummariesContainer()->Add(std::move(type_name),
+                                                  summary_sp);
 }
 
 void lldb_private::formatters::AddOneLineSummary(
@@ -67,10 +67,10 @@
 
   if (regex)
     category_sp->GetRegexTypeSummariesContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        summary_sp);
+        RegularExpression(type_name.GetStringRef()), summary_sp);
   else
-    category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
+    category_sp->GetTypeSummariesContainer()->Add(std::move(type_name),
+                                                  summary_sp);
 }
 
 void lldb_private::formatters::AddCXXSummary(
@@ -81,10 +81,10 @@
       new CXXFunctionSummaryFormat(flags, funct, description));
   if (regex)
     category_sp->GetRegexTypeSummariesContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        summary_sp);
+        RegularExpression(type_name.GetStringRef()), summary_sp);
   else
-    category_sp->GetTypeSummariesContainer()->Add(type_name, summary_sp);
+    category_sp->GetTypeSummariesContainer()->Add(std::move(type_name),
+                                                  summary_sp);
 }
 
 void lldb_private::formatters::AddCXXSynthetic(
@@ -96,10 +96,10 @@
       new CXXSyntheticChildren(flags, description, generator));
   if (regex)
     category_sp->GetRegexTypeSyntheticsContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        synth_sp);
+        RegularExpression(type_name.GetStringRef()), synth_sp);
   else
-    category_sp->GetTypeSyntheticsContainer()->Add(type_name, synth_sp);
+    category_sp->GetTypeSyntheticsContainer()->Add(std::move(type_name),
+                                                   synth_sp);
 }
 
 void lldb_private::formatters::AddFilter(
@@ -111,10 +111,10 @@
     filter_sp->AddExpressionPath(child);
   if (regex)
     category_sp->GetRegexTypeFiltersContainer()->Add(
-        RegularExpressionSP(new RegularExpression(type_name.GetStringRef())),
-        filter_sp);
+        RegularExpression(type_name.GetStringRef()), filter_sp);
   else
-    category_sp->GetTypeFiltersContainer()->Add(type_name, filter_sp);
+    category_sp->GetTypeFiltersContainer()->Add(std::move(type_name),
+                                                filter_sp);
 }
 
 size_t lldb_private::formatters::ExtractIndexFromString(const char *item_name) {
Index: lldb/source/DataFormatters/FormatManager.cpp
===================================================================
--- lldb/source/DataFormatters/FormatManager.cpp
+++ lldb/source/DataFormatters/FormatManager.cpp
@@ -946,10 +946,10 @@
   lldb::TypeSummaryImplSP string_array_format(
       new StringSummaryFormat(string_array_flags, "${var%s}"));
 
-  lldb::RegularExpressionSP any_size_char_arr(
-      new RegularExpression(llvm::StringRef("char \\[[0-9]+\\]")));
-  lldb::RegularExpressionSP any_size_wchar_arr(
-      new RegularExpression(llvm::StringRef("wchar_t \\[[0-9]+\\]")));
+  RegularExpression any_size_char_arr(llvm::StringRef("char \\[[0-9]+\\]"));
+#if 0 // FIXME: unused:
+  RegularExpression any_size_wchar_arr(llvm::StringRef("wchar_t \\[[0-9]+\\]"));
+#endif
 
   TypeCategoryImpl::SharedPointer sys_category_sp =
       GetCategory(m_system_category_name);
@@ -958,8 +958,8 @@
                                                     string_format);
   sys_category_sp->GetTypeSummariesContainer()->Add(
       ConstString("unsigned char *"), string_format);
-  sys_category_sp->GetRegexTypeSummariesContainer()->Add(any_size_char_arr,
-                                                         string_array_format);
+  sys_category_sp->GetRegexTypeSummariesContainer()->Add(
+      std::move(any_size_char_arr), string_array_format);
 
   lldb::TypeSummaryImplSP ostype_summary(
       new StringSummaryFormat(TypeSummaryImpl::Flags()
Index: lldb/source/Commands/CommandObjectType.cpp
===================================================================
--- lldb/source/Commands/CommandObjectType.cpp
+++ lldb/source/Commands/CommandObjectType.cpp
@@ -692,17 +692,18 @@
 
       ConstString typeCS(arg_entry.ref);
       if (m_command_options.m_regex) {
-        RegularExpressionSP typeRX(new RegularExpression(arg_entry.ref));
-        if (!typeRX->IsValid()) {
+        RegularExpression typeRX(arg_entry.ref);
+        if (!typeRX.IsValid()) {
           result.AppendError(
               "regex format error (maybe this is not really a regex?)");
           result.SetStatus(eReturnStatusFailed);
           return false;
         }
         category_sp->GetRegexTypeSummariesContainer()->Delete(typeCS);
-        category_sp->GetRegexTypeFormatsContainer()->Add(typeRX, entry);
+        category_sp->GetRegexTypeFormatsContainer()->Add(std::move(typeRX),
+                                                         entry);
       } else
-        category_sp->GetTypeFormatsContainer()->Add(typeCS, entry);
+        category_sp->GetTypeFormatsContainer()->Add(std::move(typeCS), entry);
     }
 
     result.SetStatus(eReturnStatusSuccessFinishNoResult);
@@ -1100,13 +1101,13 @@
 
       foreach
         .SetWithRegex([&result, &formatter_regex, &any_printed](
-                          RegularExpressionSP regex_sp,
+                          const RegularExpression &regex,
                           const FormatterSharedPointer &format_sp) -> bool {
           if (formatter_regex) {
             bool escape = true;
-            if (regex_sp->GetText() == formatter_regex->GetText()) {
+            if (regex.GetText() == formatter_regex->GetText()) {
               escape = false;
-            } else if (formatter_regex->Execute(regex_sp->GetText())) {
+            } else if (formatter_regex->Execute(regex.GetText())) {
               escape = false;
             }
 
@@ -1116,7 +1117,7 @@
 
           any_printed = true;
           result.GetOutputStream().Printf("%s: %s\n",
-                                          regex_sp->GetText().str().c_str(),
+                                          regex.GetText().str().c_str(),
                                           format_sp->GetDescription().c_str());
           return true;
         });
@@ -1631,8 +1632,8 @@
   }
 
   if (type == eRegexSummary) {
-    RegularExpressionSP typeRX(new RegularExpression(type_name.GetStringRef()));
-    if (!typeRX->IsValid()) {
+    RegularExpression typeRX(type_name.GetStringRef());
+    if (!typeRX.IsValid()) {
       if (error)
         error->SetErrorString(
             "regex format error (maybe this is not really a regex?)");
@@ -1640,7 +1641,7 @@
     }
 
     category->GetRegexTypeSummariesContainer()->Delete(type_name);
-    category->GetRegexTypeSummariesContainer()->Add(typeRX, entry);
+    category->GetRegexTypeSummariesContainer()->Add(std::move(typeRX), entry);
 
     return true;
   } else if (type == eNamedSummary) {
@@ -1648,7 +1649,7 @@
     DataVisualization::NamedSummaryFormats::Add(type_name, entry);
     return true;
   } else {
-    category->GetTypeSummariesContainer()->Add(type_name, entry);
+    category->GetTypeSummariesContainer()->Add(std::move(type_name), entry);
     return true;
   }
 }
@@ -2371,8 +2372,8 @@
   }
 
   if (type == eRegexSynth) {
-    RegularExpressionSP typeRX(new RegularExpression(type_name.GetStringRef()));
-    if (!typeRX->IsValid()) {
+    RegularExpression typeRX(type_name.GetStringRef());
+    if (!typeRX.IsValid()) {
       if (error)
         error->SetErrorString(
             "regex format error (maybe this is not really a regex?)");
@@ -2380,11 +2381,11 @@
     }
 
     category->GetRegexTypeSyntheticsContainer()->Delete(type_name);
-    category->GetRegexTypeSyntheticsContainer()->Add(typeRX, entry);
+    category->GetRegexTypeSyntheticsContainer()->Add(std::move(typeRX), entry);
 
     return true;
   } else {
-    category->GetTypeSyntheticsContainer()->Add(type_name, entry);
+    category->GetTypeSyntheticsContainer()->Add(std::move(type_name), entry);
     return true;
   }
 }
@@ -2499,8 +2500,8 @@
     }
 
     if (type == eRegexFilter) {
-      RegularExpressionSP typeRX(new RegularExpression(type_name.GetStringRef()));
-      if (!typeRX->IsValid()) {
+      RegularExpression typeRX(type_name.GetStringRef());
+      if (!typeRX.IsValid()) {
         if (error)
           error->SetErrorString(
               "regex format error (maybe this is not really a regex?)");
@@ -2508,11 +2509,11 @@
       }
 
       category->GetRegexTypeFiltersContainer()->Delete(type_name);
-      category->GetRegexTypeFiltersContainer()->Add(typeRX, entry);
+      category->GetRegexTypeFiltersContainer()->Add(std::move(typeRX), entry);
 
       return true;
     } else {
-      category->GetTypeFiltersContainer()->Add(type_name, entry);
+      category->GetTypeFiltersContainer()->Add(std::move(type_name), entry);
       return true;
     }
   }
Index: lldb/source/Commands/CommandObjectBreakpoint.cpp
===================================================================
--- lldb/source/Commands/CommandObjectBreakpoint.cpp
+++ lldb/source/Commands/CommandObjectBreakpoint.cpp
@@ -690,13 +690,10 @@
           return false;
         }
 
-        bp_sp = target->CreateFuncRegexBreakpoint(&(m_options.m_modules), 
-                                                  &(m_options.m_filenames), 
-                                                  regexp,
-                                                  m_options.m_language, 
-                                                  m_options.m_skip_prologue, 
-                                                  internal,
-                                                  m_options.m_hardware);
+        bp_sp = target->CreateFuncRegexBreakpoint(
+            &(m_options.m_modules), &(m_options.m_filenames), std::move(regexp),
+            m_options.m_language, m_options.m_skip_prologue, internal,
+            m_options.m_hardware);
       }
       break;
     case eSetTypeSourceRegexp: // Breakpoint by regexp on source text.
@@ -723,15 +720,10 @@
         result.SetStatus(eReturnStatusFailed);
         return false;
       }
-      bp_sp = 
-          target->CreateSourceRegexBreakpoint(&(m_options.m_modules), 
-                                              &(m_options.m_filenames),
-                                              m_options
-                                                  .m_source_regex_func_names,
-                                              regexp,
-                                              internal,
-                                              m_options.m_hardware,
-                                              m_options.m_move_to_nearest_code);
+      bp_sp = target->CreateSourceRegexBreakpoint(
+          &(m_options.m_modules), &(m_options.m_filenames),
+          m_options.m_source_regex_func_names, std::move(regexp), internal,
+          m_options.m_hardware, m_options.m_move_to_nearest_code);
     } break;
     case eSetTypeException: {
       Status precond_error;
Index: lldb/source/Breakpoint/BreakpointResolverName.cpp
===================================================================
--- lldb/source/Breakpoint/BreakpointResolverName.cpp
+++ lldb/source/Breakpoint/BreakpointResolverName.cpp
@@ -71,7 +71,7 @@
 }
 
 BreakpointResolverName::BreakpointResolverName(Breakpoint *bkpt,
-                                               RegularExpression func_regex,
+                                               RegularExpression &&func_regex,
                                                lldb::LanguageType language,
                                                lldb::addr_t offset,
                                                bool skip_prologue)
@@ -126,9 +126,8 @@
   success = options_dict.GetValueForKeyAsString(
       GetKey(OptionNames::RegexString), regex_text);
   if (success) {
-    RegularExpression regex(regex_text);
-    return new BreakpointResolverName(bkpt, regex, language, offset,
-                                      skip_prologue);
+    return new BreakpointResolverName(bkpt, RegularExpression(regex_text),
+                                      language, offset, skip_prologue);
   } else {
     StructuredData::Array *names_array;
     success = options_dict.GetValueForKeyAsArray(
Index: lldb/source/API/SBTypeCategory.cpp
===================================================================
--- lldb/source/API/SBTypeCategory.cpp
+++ lldb/source/API/SBTypeCategory.cpp
@@ -364,8 +364,8 @@
 
   if (type_name.IsRegex())
     m_opaque_sp->GetRegexTypeFormatsContainer()->Add(
-        lldb::RegularExpressionSP(new RegularExpression(
-            llvm::StringRef::withNullAsEmpty(type_name.GetName()))),
+        RegularExpression(
+            llvm::StringRef::withNullAsEmpty(type_name.GetName())),
         format.GetSP());
   else
     m_opaque_sp->GetTypeFormatsContainer()->Add(
@@ -443,8 +443,8 @@
 
   if (type_name.IsRegex())
     m_opaque_sp->GetRegexTypeSummariesContainer()->Add(
-        lldb::RegularExpressionSP(new RegularExpression(
-            llvm::StringRef::withNullAsEmpty(type_name.GetName()))),
+        RegularExpression(
+            llvm::StringRef::withNullAsEmpty(type_name.GetName())),
         summary.GetSP());
   else
     m_opaque_sp->GetTypeSummariesContainer()->Add(
@@ -488,8 +488,8 @@
 
   if (type_name.IsRegex())
     m_opaque_sp->GetRegexTypeFiltersContainer()->Add(
-        lldb::RegularExpressionSP(new RegularExpression(
-            llvm::StringRef::withNullAsEmpty(type_name.GetName()))),
+        RegularExpression(
+            llvm::StringRef::withNullAsEmpty(type_name.GetName())),
         filter.GetSP());
   else
     m_opaque_sp->GetTypeFiltersContainer()->Add(
@@ -567,8 +567,8 @@
 
   if (type_name.IsRegex())
     m_opaque_sp->GetRegexTypeSyntheticsContainer()->Add(
-        lldb::RegularExpressionSP(new RegularExpression(
-            llvm::StringRef::withNullAsEmpty(type_name.GetName()))),
+        RegularExpression(
+            llvm::StringRef::withNullAsEmpty(type_name.GetName())),
         synth.GetSP());
   else
     m_opaque_sp->GetTypeSyntheticsContainer()->Add(
Index: lldb/source/API/SBTarget.cpp
===================================================================
--- lldb/source/API/SBTarget.cpp
+++ lldb/source/API/SBTarget.cpp
@@ -960,8 +960,8 @@
     const LazyBool skip_prologue = eLazyBoolCalculate;
 
     sb_bp = target_sp->CreateFuncRegexBreakpoint(
-        module_list.get(), comp_unit_list.get(), regexp, symbol_language,
-        skip_prologue, internal, hardware);
+        module_list.get(), comp_unit_list.get(), std::move(regexp),
+        symbol_language, skip_prologue, internal, hardware);
   }
 
   return LLDB_RECORD_RESULT(sb_bp);
@@ -1061,8 +1061,8 @@
     }
 
     sb_bp = target_sp->CreateSourceRegexBreakpoint(
-        module_list.get(), source_file_list.get(), func_names_set, regexp,
-        false, hardware, move_to_nearest_code);
+        module_list.get(), source_file_list.get(), func_names_set,
+        std::move(regexp), false, hardware, move_to_nearest_code);
   }
 
   return LLDB_RECORD_RESULT(sb_bp);
Index: lldb/include/lldb/Utility/RegularExpression.h
===================================================================
--- lldb/include/lldb/Utility/RegularExpression.h
+++ lldb/include/lldb/Utility/RegularExpression.h
@@ -85,6 +85,10 @@
   /// Return an error if the regular expression failed to compile.
   llvm::Error GetError() const;
 
+  bool operator<(const RegularExpression &rhs) const {
+    return GetText() < rhs.GetText();
+  }
+
 private:
   /// A copy of the original regular expression text.
   std::string m_regex_text;
Index: lldb/include/lldb/Target/Target.h
===================================================================
--- lldb/include/lldb/Target/Target.h
+++ lldb/include/lldb/Target/Target.h
@@ -598,7 +598,7 @@
       const FileSpecList *containingModules,
       const FileSpecList *source_file_list,
       const std::unordered_set<std::string> &function_names,
-      RegularExpression &source_regex, bool internal, bool request_hardware,
+      RegularExpression &&source_regex, bool internal, bool request_hardware,
       LazyBool move_to_nearest_code);
 
   // Use this to create a breakpoint from a load address
@@ -621,9 +621,9 @@
   // target setting, else we use the values passed in
   lldb::BreakpointSP CreateFuncRegexBreakpoint(
       const FileSpecList *containingModules,
-      const FileSpecList *containingSourceFiles, RegularExpression &func_regexp,
-      lldb::LanguageType requested_language, LazyBool skip_prologue,
-      bool internal, bool request_hardware);
+      const FileSpecList *containingSourceFiles,
+      RegularExpression &&func_regexp, lldb::LanguageType requested_language,
+      LazyBool skip_prologue, bool internal, bool request_hardware);
 
   // Use this to create a function breakpoint by name in containingModule, or
   // all modules if it is nullptr When "skip_prologue is set to
Index: lldb/include/lldb/DataFormatters/TypeCategory.h
===================================================================
--- lldb/include/lldb/DataFormatters/TypeCategory.h
+++ lldb/include/lldb/DataFormatters/TypeCategory.h
@@ -26,7 +26,7 @@
 template <typename FormatterImpl> class FormatterContainerPair {
 public:
   typedef FormattersContainer<ConstString, FormatterImpl> ExactMatchContainer;
-  typedef FormattersContainer<lldb::RegularExpressionSP, FormatterImpl>
+  typedef FormattersContainer<RegularExpression, FormatterImpl>
       RegexMatchContainer;
 
   typedef typename ExactMatchContainer::MapType ExactMatchMap;
Index: lldb/include/lldb/DataFormatters/FormattersContainer.h
===================================================================
--- lldb/include/lldb/DataFormatters/FormattersContainer.h
+++ lldb/include/lldb/DataFormatters/FormattersContainer.h
@@ -67,19 +67,19 @@
   typedef typename ValueType::SharedPointer ValueSP;
   typedef std::map<KeyType, ValueSP> MapType;
   typedef typename MapType::iterator MapIterator;
-  typedef std::function<bool(KeyType, const ValueSP &)> ForEachCallback;
+  typedef std::function<bool(const KeyType &, const ValueSP &)> ForEachCallback;
 
   FormatMap(IFormatChangeListener *lst)
       : m_map(), m_map_mutex(), listener(lst) {}
 
-  void Add(KeyType name, const ValueSP &entry) {
+  void Add(KeyType &&name, const ValueSP &entry) {
     if (listener)
       entry->GetRevision() = listener->GetCurrentRevision();
     else
       entry->GetRevision() = 0;
 
     std::lock_guard<std::recursive_mutex> guard(m_map_mutex);
-    m_map[name] = entry;
+    m_map[std::move(name)] = entry;
     if (listener)
       listener->Changed();
   }
@@ -116,7 +116,7 @@
       std::lock_guard<std::recursive_mutex> guard(m_map_mutex);
       MapIterator pos, end = m_map.end();
       for (pos = m_map.begin(); pos != end; pos++) {
-        KeyType type = pos->first;
+        const KeyType &type = pos->first;
         if (!callback(type, pos->second))
           break;
       }
@@ -138,7 +138,7 @@
     return iter->second;
   }
 
-  KeyType GetKeyAtIndex(size_t index) {
+  const KeyType *GetKeyAtIndex(size_t index) {
     std::lock_guard<std::recursive_mutex> guard(m_map_mutex);
     MapIterator iter = m_map.begin();
     MapIterator end = m_map.end();
@@ -146,9 +146,9 @@
       iter++;
       index--;
       if (end == iter)
-        return KeyType();
+        return nullptr;
     }
-    return iter->first;
+    return &iter->first;
   }
 
 protected:
@@ -182,8 +182,8 @@
   FormattersContainer(std::string name, IFormatChangeListener *lst)
       : m_format_map(lst), m_name(name) {}
 
-  void Add(const MapKeyType &type, const MapValueType &entry) {
-    Add_Impl(type, entry, static_cast<KeyType *>(nullptr));
+  void Add(MapKeyType &&type, const MapValueType &entry) {
+    Add_Impl(std::move(type), entry, static_cast<KeyType *>(nullptr));
   }
 
   bool Delete(ConstString type) {
@@ -233,9 +233,9 @@
 
   DISALLOW_COPY_AND_ASSIGN(FormattersContainer);
 
-  void Add_Impl(const MapKeyType &type, const MapValueType &entry,
-                lldb::RegularExpressionSP *dummy) {
-    m_format_map.Add(type, entry);
+  void Add_Impl(MapKeyType &&type, const MapValueType &entry,
+                RegularExpression *dummy) {
+    m_format_map.Add(std::move(type), entry);
   }
 
   void Add_Impl(ConstString type, const MapValueType &entry,
@@ -247,12 +247,12 @@
     return m_format_map.Delete(type);
   }
 
-  bool Delete_Impl(ConstString type, lldb::RegularExpressionSP *dummy) {
+  bool Delete_Impl(ConstString type, RegularExpression *dummy) {
     std::lock_guard<std::recursive_mutex> guard(m_format_map.mutex());
     MapIterator pos, end = m_format_map.map().end();
     for (pos = m_format_map.map().begin(); pos != end; pos++) {
-      lldb::RegularExpressionSP regex = pos->first;
-      if (type.GetStringRef() == regex->GetText()) {
+      const RegularExpression &regex = pos->first;
+      if (type.GetStringRef() == regex.GetText()) {
         m_format_map.map().erase(pos);
         if (m_format_map.listener)
           m_format_map.listener->Changed();
@@ -273,32 +273,31 @@
 
   lldb::TypeNameSpecifierImplSP
   GetTypeNameSpecifierAtIndex_Impl(size_t index, ConstString *dummy) {
-    ConstString key = m_format_map.GetKeyAtIndex(index);
+    const ConstString *key = m_format_map.GetKeyAtIndex(index);
     if (key)
       return lldb::TypeNameSpecifierImplSP(
-          new TypeNameSpecifierImpl(key.AsCString(), false));
+          new TypeNameSpecifierImpl(key->AsCString(), false));
     else
       return lldb::TypeNameSpecifierImplSP();
   }
 
   lldb::TypeNameSpecifierImplSP
-  GetTypeNameSpecifierAtIndex_Impl(size_t index,
-                                   lldb::RegularExpressionSP *dummy) {
-    lldb::RegularExpressionSP regex = m_format_map.GetKeyAtIndex(index);
-    if (regex.get() == nullptr)
+  GetTypeNameSpecifierAtIndex_Impl(size_t index, RegularExpression *dummy) {
+    const RegularExpression *regex = m_format_map.GetKeyAtIndex(index);
+    if (!regex)
       return lldb::TypeNameSpecifierImplSP();
     return lldb::TypeNameSpecifierImplSP(
         new TypeNameSpecifierImpl(regex->GetText().str().c_str(), true));
   }
 
   bool Get_Impl(ConstString key, MapValueType &value,
-                lldb::RegularExpressionSP *dummy) {
+                RegularExpression *dummy) {
     llvm::StringRef key_str = key.GetStringRef();
     std::lock_guard<std::recursive_mutex> guard(m_format_map.mutex());
     MapIterator pos, end = m_format_map.map().end();
     for (pos = m_format_map.map().begin(); pos != end; pos++) {
-      lldb::RegularExpressionSP regex = pos->first;
-      if (regex->Execute(key_str)) {
+      const RegularExpression &regex = pos->first;
+      if (regex.Execute(key_str)) {
         value = pos->second;
         return true;
       }
@@ -307,12 +306,12 @@
   }
 
   bool GetExact_Impl(ConstString key, MapValueType &value,
-                     lldb::RegularExpressionSP *dummy) {
+                     RegularExpression *dummy) {
     std::lock_guard<std::recursive_mutex> guard(m_format_map.mutex());
     MapIterator pos, end = m_format_map.map().end();
     for (pos = m_format_map.map().begin(); pos != end; pos++) {
-      lldb::RegularExpressionSP regex = pos->first;
-      if (regex->GetText() == key.GetStringRef()) {
+      const RegularExpression &regex = pos->first;
+      if (regex.GetText() == key.GetStringRef()) {
         value = pos->second;
         return true;
       }
Index: lldb/include/lldb/Breakpoint/BreakpointResolverName.h
===================================================================
--- lldb/include/lldb/Breakpoint/BreakpointResolverName.h
+++ lldb/include/lldb/Breakpoint/BreakpointResolverName.h
@@ -44,7 +44,7 @@
 
   // Creates a function breakpoint by regular expression.  Takes over control
   // of the lifespan of func_regex.
-  BreakpointResolverName(Breakpoint *bkpt, RegularExpression func_regex,
+  BreakpointResolverName(Breakpoint *bkpt, RegularExpression &&func_regex,
                          lldb::LanguageType language, lldb::addr_t offset,
                          bool skip_prologue);
 
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