diff --git a/src/ast/expression/CatchHandleExpression.cpp b/src/ast/expression/CatchHandleExpression.cpp new file mode 100644 index 0000000..545d60b --- /dev/null +++ b/src/ast/expression/CatchHandleExpression.cpp @@ -0,0 +1,40 @@ +/* + * Copyright (c) 2024 - Nathanne Isip + * This file is part of Zhivo. + * + * Zhivo is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation, either version 3 of the License, + * or (at your option) any later version. + * + * Zhivo is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Zhivo. If not, see . + */ + +#include +#include + +DynamicObject CatchHandleExpression::visit(SymbolTable& symbols) { + DynamicObject object = {}; + try { + object = this->catchBlock->visit(symbols); + } + catch(const TerminativeThrowSignal& throwSig) { + std::string handleName = this->handler->getImage(); + if(symbols.hasSymbol(handleName)) + throw std::runtime_error("Handle name for catch-handle is already in-use."); + + symbols.setSymbol(handleName, throwSig.getObject()); + object = this->handleBlock->visit(symbols); + } + + if(this->finalBlock) + this->finalBlock->visit(symbols); + + return object; +}