// ArrayModule.hpp
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#ifndef MODULES_ARRAYMODULE_HPP
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#define MODULES_ARRAYMODULE_HPP
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#include <stdexcept>
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#include <string>
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#include <vector>
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#include "Modules/BaseModule.hpp"
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#include "Modules/ModuleManager.hpp"
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#include "Symbols/Value.hpp"
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#include "Symbols/VariableTypes.hpp"
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namespace Modules {
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/**
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* @brief Module providing a sizeof() function for array variables.
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* Usage:
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* sizeof($array) -> returns number of elements in the array
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*/
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class ArrayModule : public BaseModule {
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public:
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void registerModule() override {
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auto & mgr = ModuleManager::instance();
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mgr.registerFunction("sizeof", [](const std::vector<Symbols::Value> & args) {
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using namespace Symbols;
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if (args.size() != 1) {
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throw std::runtime_error("sizeof expects exactly one argument");
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}
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const auto & val = args[0];
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auto type = val.getType();
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// Only allow array types (OBJECT)
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if (type == Variables::Type::OBJECT) {
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const auto & map = std::get<Value::ObjectMap>(val.get());
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return Value(static_cast<int>(map.size()));
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}
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throw std::runtime_error("sizeof expects an array variable");
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});
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}
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};
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} // namespace Modules
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#endif // MODULES_ARRAYMODULE_HPP
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