From 0c02ea05c8414e72339e2521d1fdae54e91569bb Mon Sep 17 00:00:00 2001
From: Dave Lee <davelee.com@gmail.com>
Date: Mon, 5 Feb 2024 10:52:30 -0800
Subject: [lldb] Cleanup regex in libcxx formatters (NFC) (#80618)

I noticed a number of regex for libcxx formatters use an unnecessary regex grouping.
This change removes those parentheses.
---
 lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
index e0de808..1dcda53 100644
--- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp
@@ -788,7 +788,7 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
       cpp_category_sp,
       lldb_private::formatters::LibcxxStdUnorderedMapSyntheticFrontEndCreator,
       "libc++ std::unordered containers synthetic children",
-      "^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$",
+      "^std::__[[:alnum:]]+::unordered_(multi)?(map|set)<.+> >$",
       stl_synth_flags, true);
   AddCXXSynthetic(
       cpp_category_sp,
@@ -824,7 +824,7 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
       "^std::__[[:alnum:]]+::ranges::ref_view<.+>$", stl_deref_flags, true);
 
   cpp_category_sp->AddTypeSynthetic(
-      "^(std::__[[:alnum:]]+::)deque<.+>$", eFormatterMatchRegex,
+      "^std::__[[:alnum:]]+::deque<.+>$", eFormatterMatchRegex,
       SyntheticChildrenSP(new ScriptedSyntheticChildren(
           stl_synth_flags,
           "lldb.formatters.cpp.libcxx.stddeque_SynthProvider")));
@@ -832,8 +832,8 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
   AddCXXSynthetic(
       cpp_category_sp,
       lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator,
-      "shared_ptr synthetic children",
-      "^(std::__[[:alnum:]]+::)shared_ptr<.+>$", stl_synth_flags, true);
+      "shared_ptr synthetic children", "^std::__[[:alnum:]]+::shared_ptr<.+>$",
+      stl_synth_flags, true);
 
   static constexpr const char *const libcxx_std_unique_ptr_regex =
       "^std::__[[:alnum:]]+::unique_ptr<.+>$";
@@ -846,7 +846,7 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
   AddCXXSynthetic(
       cpp_category_sp,
       lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator,
-      "weak_ptr synthetic children", "^(std::__[[:alnum:]]+::)weak_ptr<.+>$",
+      "weak_ptr synthetic children", "^std::__[[:alnum:]]+::weak_ptr<.+>$",
       stl_synth_flags, true);
   AddCXXSummary(cpp_category_sp,
                 lldb_private::formatters::LibcxxFunctionSummaryProvider,
@@ -910,7 +910,7 @@ static void LoadLibCxxFormatters(lldb::TypeCategoryImplSP cpp_category_sp) {
   AddCXXSummary(cpp_category_sp,
                 lldb_private::formatters::LibcxxContainerSummaryProvider,
                 "libc++ std::unordered containers summary provider",
-                "^(std::__[[:alnum:]]+::)unordered_(multi)?(map|set)<.+> >$",
+                "^std::__[[:alnum:]]+::unordered_(multi)?(map|set)<.+> >$",
                 stl_summary_flags, true);
   AddCXXSummary(cpp_category_sp, LibcxxContainerSummaryProvider,
                 "libc++ std::tuple summary provider",
-- 
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