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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// version: $Id: 437122046a46b828d7e11a9ab281b2f9c50f8aec $
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// author: Vassil Vassilev <vasil.georgiev.vasilev@cern.ch>
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//------------------------------------------------------------------------------
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#include "CheckEmptyTransactionTransformer.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 <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 there is more than a wrapper exit early. There might be an empty
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// nested transction, because of the static inits.
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if (!((T->hasNestedTransactions() && (*T->nested_begin())->empty() &&
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T->size() == 2) || T->size() == 1))
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return;
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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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//FIXME: Replace with a invocation to the decl reverter.
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FD->getLexicalDeclContext()->removeDecl(FD);
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}
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}
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}
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} // end namespace cling
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