Method dumpHeap

valdi/src/valdi/quickjs/QuickJSJavaScriptContext.cpp:1190–1216

#pragma clang diagnostic pop

void QuickJSJavaScriptContext::dumpHeap(Valdi::JavaScriptHeapDumpBuilder& heapDumpBuilder) {
    auto guard = _threadAccessChecker.guard();
    auto* oldOpaque = JS_GetRuntimeOpaque(_runtime);

    // We shove the heap dump builder as an opaque so that we can retrieve it while visiting
    // the heap.
    JS_SetRuntimeOpaque(_runtime, reinterpret_cast<Valdi::JavaScriptHeapDumpBuilder*>(&heapDumpBuilder));
    JS_VisitAllGCObjects(_runtime, &onObjectBegin, &onObjectEdgeProperty, &onObjectEdge);

    auto stashedJSValues = getAllStashedJSValues();
    // Emit the stashed JS values as a separate node
    heapDumpBuilder.beginNode(Valdi::JavaScriptHeapDumpNodeType::HIDDEN,
                              STRING_LITERAL("System / ExportedReferences"),
                              this,
                              sizeof(JSValue) * stashedJSValues.size());

    size_t index = 0;
    for (const auto& jsValue : stashedJSValues) {
        auto indexStr = std::to_string(index);
        JS_VisitObjectEdge(
            _runtime, fromValdiJSValue(jsValue), indexStr.c_str(), JS_EDGE_TYPE_ELEMENT, &onObjectEdgeProperty);
        index++;
    }

    // Restore old opaque
    JS_SetRuntimeOpaque(_runtime, oldOpaque);
}

JSContext* QuickJSJavaScriptContext::getContext() const {
    return _context;