Function InsertVtblPtr

CfrontCodeGenerator.cpp:441–459

//-----------------------------------------------------------------------------

static void InsertVtblPtr(const CXXMethodDecl* stmt, const CXXRecordDecl* cur, StmtsContainer& bodyStmts)
{
    if(cur->isPolymorphic() and (0 == cur->getNumBases())) {
        auto* fieldDecl     = CfrontCodeGenerator::VtableData().VtblPtrField(cur);
        auto* lhsMemberExpr = AccessMember(kwInternalThis, fieldDecl, Ptr(GetRecordDeclType(cur)));

        // struct __mptr *__ptbl_vec__c___src_C_[]
        auto* vtablAr = CfrontCodeGenerator::VtableData().VtblArrayVar(1);
        auto* vtblArrayPos =
            ArraySubscript(mkDeclRefExpr(vtablAr), GetGlobalVtablePos(stmt->getParent(), cur), fieldDecl->getType());

        bodyStmts.AddBodyStmts(Assign(lhsMemberExpr, fieldDecl, vtblArrayPos));

    } else if(cur->isPolymorphic() and (0 < cur->getNumBases()) and (cur != stmt->getParent())) {
        for(const auto& base : cur->bases()) {
            InsertVtblPtr(stmt, base.getType()->getAsCXXRecordDecl(), bodyStmts);
        }
    }
}
//-----------------------------------------------------------------------------

void CfrontCodeGenerator::InsertCXXMethodDecl(const CXXMethodDecl* stmt, SkipBody)