Function EmitGlobalVariableCtors

CodeGenerator.cpp:1128–1178

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

std::string EmitGlobalVariableCtors()
{
    StmtsContainer bodyStmts{};

    for(auto& e : globalVarCtors) {
        bodyStmts.AddBodyStmts(e);
    }

    auto* cxaStartFun = Function(cxaStart, VoidTy(), {});
    cxaStartFun->setBody(mkCompoundStmt(bodyStmts));

    OutputFormatHelper ofm{};
    ofm.AppendNewLine();
    ofm.AppendNewLine();
    CodeGeneratorVariant cg{ofm};

    if(gVtables.size()) {
        SmallVector<Expr*, 16> mInitExprs{};

        for(auto& e : gVtables) {
            cg->InsertArg(e.second);
            mInitExprs.push_back(mkDeclRefExpr(e.second));
        }

        ofm.AppendNewLine();

        // struct __mptr *__ptbl_vec__c___src_C_[]
        auto* vtable = CfrontCodeGenerator::VtableData().VtblArrayVar(mInitExprs.size());
        vtable->setInit(InitList(mInitExprs, vtable->getType()));

        cg->InsertArg(vtable);

        ofm.AppendNewLine();
    }

    cg->InsertArg(cxaStartFun);

    StmtsContainer bodyStmtsDtors{};

    for(auto& e : globalVarDtors) {
        bodyStmtsDtors.AddBodyStmts(e);
    }

    auto* cxaAtExitFun = Function(cxaAtExit, VoidTy(), {});
    cxaAtExitFun->setBody(mkCompoundStmt(bodyStmtsDtors));

    ofm.AppendNewLine();
    cg->InsertArg(cxaAtExitFun);

    return ofm.GetString();
}
//-----------------------------------------------------------------------------

void CodeGenerator::LifetimeAddExtended(const VarDecl* vd, const ValueDecl* extending)