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.
llvm-svn: 145342
diff --git a/lldb/source/Symbol/ClangASTImporter.cpp b/lldb/source/Symbol/ClangASTImporter.cpp
index a854852..43a7532 100644
--- a/lldb/source/Symbol/ClangASTImporter.cpp
+++ b/lldb/source/Symbol/ClangASTImporter.cpp
@@ -179,11 +179,32 @@
}
void
-ClangASTImporter::PurgeMaps (clang::ASTContext *dst_ast)
+ClangASTImporter::ForgetDestination (clang::ASTContext *dst_ast)
{
m_metadata_map.erase(dst_ast);
}
+void
+ClangASTImporter::ForgetSource (clang::ASTContext *dst_ast, clang::ASTContext *src_ast)
+{
+ ASTContextMetadataSP md = MaybeGetContextMetadata (dst_ast);
+
+ if (!md)
+ return;
+
+ md->m_minions.erase(src_ast);
+
+ for (OriginMap::iterator iter = md->m_origins.begin();
+ iter != md->m_origins.end();
+ )
+ {
+ if (iter->second.ctx == src_ast)
+ md->m_origins.erase(iter++);
+ else
+ ++iter;
+ }
+}
+
ClangASTImporter::NamespaceMapCompleter::~NamespaceMapCompleter ()
{
return;