[Lldb-commits] [PATCH] D126080: Adapt C++ std::string dataformatter for D125496

[Adrian Prantl via Phabricator via lldb-commits]

This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was automatically updated to reflect the committed changes.
Closed by commit rGf4570ce442b4: Adapt C++ std::string dataformatter for D125496 (authored by aprantl).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126080/new/

https://reviews.llvm.org/D126080

Files:
  lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp


Index: lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
===================================================================
--- lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
+++ lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
@@ -546,7 +546,7 @@
                                        nullptr, nullptr, &valobj, false, false);
 }
 
-// the field layout in a libc++ string (cap, side, data or data, size, cap)
+/// The field layout in a libc++ string (cap, side, data or data, size, cap).
 enum LibcxxStringLayoutMode {
   eLibcxxStringLayoutModeCSD = 0,
   eLibcxxStringLayoutModeDSC = 1,
@@ -626,6 +626,9 @@
       return {};
     ValueObjectSP location_sp = short_sp->GetChildAtIndex(
         (layout == eLibcxxStringLayoutModeDSC) ? 0 : 1, true);
+    // After D125496, there is a flat layout.
+    if (location_sp->GetName() == g_size_name)
+      location_sp = short_sp->GetChildAtIndex(3, true);
     if (using_bitmasks)
       size = (layout == eLibcxxStringLayoutModeDSC)
                  ? size_mode_value


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