#ifndef INTERPRETER_VARIABLE_REFERENCE_NODE_HPP
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#define INTERPRETER_VARIABLE_REFERENCE_NODE_HPP
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include "ExpressionNode.hpp"
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#include "Symbols/SymbolContainer.hpp"
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#include "Symbols/Value.hpp"
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#include "Symbols/VariableSymbol.hpp"
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namespace Interpreter {
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class VariableReferenceNode : public ExpressionNode {
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std::string variableName_;
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std::string namespace_; // pl. "global.variables"
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public:
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VariableReferenceNode(const std::string & variableName, const std::string & ns) :
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variableName_(variableName),
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namespace_(ns) {}
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Symbols::Value evaluate(class Interpreter & /*interpreter*/) const override {
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auto symbol = Symbols::SymbolContainer::instance()->get(namespace_, variableName_);
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if (!symbol) {
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throw std::runtime_error("Variable not found: " + variableName_);
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}
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auto varSymbol = std::dynamic_pointer_cast<Symbols::VariableSymbol>(symbol);
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if (!varSymbol) {
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throw std::runtime_error("Symbol is not a variable: " + variableName_);
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}
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return varSymbol->getValue();
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}
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};
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}; // namespace Interpreter
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#endif // INTERPRETER_VARIABLE_REFERENCE_NODE_HPP
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