Changed ClangASTImporter to allow finer-grained
management of what allocations remain after an
expression finishes executing. This saves around
2.5KiB per expression for simple expressions.
git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@145342 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Expression/ClangASTSource.cpp b/source/Expression/ClangASTSource.cpp
index 4c6ba7e..5f3c8b1 100644
--- a/source/Expression/ClangASTSource.cpp
+++ b/source/Expression/ClangASTSource.cpp
@@ -24,7 +24,20 @@
ClangASTSource::~ClangASTSource()
{
- m_ast_importer->PurgeMaps(m_ast_context);
+ m_ast_importer->ForgetDestination(m_ast_context);
+
+ ClangASTContext *scratch_clang_ast_context = m_target->GetScratchClangASTContext();
+
+ if (!scratch_clang_ast_context)
+ return;
+
+ clang::ASTContext *scratch_ast_context = scratch_clang_ast_context->getASTContext();
+
+ if (!scratch_ast_context)
+ return;
+
+ if (m_ast_context != scratch_ast_context)
+ m_ast_importer->ForgetSource(scratch_ast_context, m_ast_context);
}
void