45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
//------------------------------------------------------------------------------
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// CLING - the C++ LLVM-based InterpreterG :)
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// author: Vassil Vassilev <vasil.georgiev.vasilev@cern.ch>
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//
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// This file is dual-licensed: you can choose to license it under the University
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// of Illinois Open Source License or the GNU Lesser General Public License. See
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// LICENSE.TXT for details.
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//------------------------------------------------------------------------------
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#include "CheckEmptyTransactionTransformer.h"
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#include "TransactionUnloader.h"
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#include "cling/Interpreter/Transaction.h"
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#include "clang/AST/Decl.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/Sema/Sema.h"
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#include <algorithm>
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using namespace clang;
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namespace cling {
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void CheckEmptyTransactionTransformer::Transform() {
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Transaction* T = getTransaction();
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if (FunctionDecl* FD = T->getWrapperFD()) {
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CompoundStmt* CS = cast<CompoundStmt>(FD->getBody());
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if (!CS->size() || (CS->size() == 1 && isa<NullStmt>(CS->body_back()))) {
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// This is an empty wrapper function. Get rid of it.
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DeclGroupRef DGR(FD);
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Transaction::DelayCallInfo DCI (DGR,
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Transaction::kCCIHandleTopLevelDecl);
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Transaction::iterator found
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= std::find(T->decls_begin(), T->decls_end(), DCI);
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if (found != T->decls_end()) {
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T->erase(found);
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}
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// We know that it didn't end up in the EE by design.
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TransactionUnloader U(m_Sema, /*CodeGenerator*/0, /*ExecutionEngine*/0);
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U.UnloadDecl(FD);
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}
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}
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}
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} // end namespace cling
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