// ReturnStatementNode.hpp
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#ifndef INTERPRETER_RETURN_STATEMENT_NODE_HPP
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#define INTERPRETER_RETURN_STATEMENT_NODE_HPP
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#include <memory>
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#include <string>
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#include "StatementNode.hpp"
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#include "ExpressionNode.hpp"
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#include "ReturnException.hpp"
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#include "Symbols/Value.hpp"
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namespace Interpreter {
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/**
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* @brief Statement node representing a return statement inside a function.
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*/
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class ReturnStatementNode : public StatementNode {
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std::unique_ptr<ExpressionNode> expr_;
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public:
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explicit ReturnStatementNode(std::unique_ptr<ExpressionNode> expr,
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const std::string &file_name,
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int line,
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size_t column) :
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StatementNode(file_name, line, column), expr_(std::move(expr)) {}
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void interpret(Interpreter &interpreter) const override {
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Symbols::Value retVal;
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if (expr_) {
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retVal = expr_->evaluate(interpreter);
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}
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throw ReturnException(retVal);
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}
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std::string toString() const override {
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return std::string("return") + (expr_ ? (" " + expr_->toString()) : std::string());
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}
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};
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} // namespace Interpreter
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#endif // INTERPRETER_RETURN_STATEMENT_NODE_HPP
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