External function node.
| 339 | |
| 340 | // External function node. |
| 341 | class ExtFunctionNode : public SuspendNode |
| 342 | { |
| 343 | public: |
| 344 | ExtFunctionNode(MemoryPool& pool, const MessageNode* aExtInMessageNode, const MessageNode* aExtOutMessageNode, |
| 345 | const ExtEngineManager::Function* aFunction) |
| 346 | : SuspendNode(pool), |
| 347 | extInMessageNode(aExtInMessageNode), |
| 348 | extOutMessageNode(aExtOutMessageNode), |
| 349 | function(aFunction) |
| 350 | { |
| 351 | } |
| 352 | |
| 353 | virtual const StmtNode* execute(thread_db* tdbb, Request* request, ExeState* exeState) const |
| 354 | { |
| 355 | if (request->req_operation == Request::req_evaluate) |
| 356 | { |
| 357 | UCHAR* inMsg = extInMessageNode ? request->getImpure<UCHAR>(extInMessageNode->impureOffset) : NULL; |
| 358 | UCHAR* outMsg = request->getImpure<UCHAR>(extOutMessageNode->impureOffset); |
| 359 | |
| 360 | function->execute(tdbb, inMsg, outMsg); |
| 361 | } |
| 362 | |
| 363 | return SuspendNode::execute(tdbb, request, exeState); |
| 364 | } |
| 365 | |
| 366 | private: |
| 367 | const MessageNode* extInMessageNode; |
| 368 | const MessageNode* extOutMessageNode; |
| 369 | const ExtEngineManager::Function* function; |
| 370 | }; |
| 371 | |
| 372 | // External procedure node. |
| 373 | class ExtProcedureNode : public CompoundStmtNode |