Method beforeVariant

src/simulate/simulate_gc.cpp:453–466

            history.pop_back();
        }
        virtual void beforeVariant ( char * ps, TypeInfo * ti ) override {
            char * pa = ps;
            auto tsize = ti->size;
            DAS_ASSERT(tsize==uint32_t(getTypeSize(ti)));
            PtrRange rdata(pa, tsize);
            if ( reportHeap && tsize && markRange(rdata) ) {
                if ( describe_ptr(pa, tsize) ) {
                    describeInfo(ti);
                    ReportHistory();
                    tp << "VARIANT " << getTypeInfoMangledName(ti) << "\n";
                }
            }
            pushRange(rdata);
        }
        virtual void afterVariant ( char *, TypeInfo * ) override {
            popRange();
        }