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Access sema internals and revert the list of unused decls.

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This commit is contained in:
Vassil Vassilev 2014-03-28 10:48:12 +01:00 committed by sftnight
parent 33ece80d2b
commit 4d53e0fd33
1 changed files with 24 additions and 2 deletions
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26
lib/Interpreter/TransactionUnloader.cpp
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@ -34,7 +34,10 @@
using namespace clang;
namespace cling {
// FIXME: rename back to cling when gcc fix the
// namespace cling { using cling::DeclUnloader DeclUnloader} bug
namespace clang {
using namespace cling;
// Copied and adapted from GlobalDCE.cpp
class GlobalValueEraser {
@ -226,6 +229,13 @@ namespace cling {
///
bool VisitNamedDecl(NamedDecl* ND);
///\brief Removes the declaration from Sema's unused decl registry
/// @param[in] DD - The declaration to be removed.
///
///\returns true on success.
///
bool VisitDeclaratorDecl(DeclaratorDecl* DD);
///\brief Removes a using shadow declaration, created in the cases:
///\code
/// namespace A {
@ -561,6 +571,16 @@ namespace cling {
return Successful;
}
bool DeclUnloader::VisitDeclaratorDecl(DeclaratorDecl* DD) {
// VisitDeclaratorDecl: ValueDecl
auto found = std::find(m_Sema->UnusedFileScopedDecls.begin(/*ExtSource*/0),
m_Sema->UnusedFileScopedDecls.end(), DD);
if (found != m_Sema->UnusedFileScopedDecls.end())
m_Sema->UnusedFileScopedDecls.erase(found, found);
return VisitValueDecl(DD);
}
bool DeclUnloader::VisitUsingShadowDecl(UsingShadowDecl* USD) {
// UsingShadowDecl: NamedDecl, Redeclarable
bool Successful = true;
@ -1020,8 +1040,9 @@ namespace cling {
// ClassTemplateSpecializationDecl: CXXRecordDecl, FoldingSet
return VisitCXXRecordDecl(CTSD);
}
} // end namespace clang
namespace cling {
TransactionUnloader::TransactionUnloader(Sema* S, clang::CodeGenerator* CG,
llvm::ExecutionEngine* EE)
: m_Sema(S), m_CodeGen(CG), m_EEngine(EE) {
@ -1083,3 +1104,4 @@ namespace cling {
return RevertTransaction(&T);
}
} // end namespace cling