[Lldb-commits] [PATCH] D101585: [lldb] Handle missing SBStructuredData copy assignment cases
Dave Lee via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Thu Apr 29 16:06:43 PDT 2021
kastiglione created this revision.
kastiglione added a reviewer: augusto2112.
kastiglione requested review of this revision.
Herald added a project: LLDB.
Herald added a subscriber: lldb-commits.
Fix cases that can crash `SBStructuredData::operator=`.
This happened in a case where `rhs` had a null `SBStructuredDataImpl`.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D101585
Files:
lldb/source/API/SBStructuredData.cpp
Index: lldb/source/API/SBStructuredData.cpp
===================================================================
--- lldb/source/API/SBStructuredData.cpp
+++ lldb/source/API/SBStructuredData.cpp
@@ -53,7 +53,13 @@
lldb::SBStructuredData &,
SBStructuredData, operator=,(const lldb::SBStructuredData &), rhs);
- *m_impl_up = *rhs.m_impl_up;
+ if (m_impl_up && rhs.m_impl_up)
+ *m_impl_up = *rhs.m_impl_up;
+ else if (m_impl_up && !rhs.m_impl_up)
+ m_impl_up.release();
+ else if (!m_impl_up && rhs.m_impl_up)
+ m_impl_up = std::make_unique<StructuredDataImpl>(*rhs.m_impl_up);
+
return LLDB_RECORD_RESULT(*this);
}
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