Array.cpp

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#ifndef CMAKE_PCH
#include "VM.hpp"
#endif
 
namespace Phasor {
 
void VM::registerArrayFunctions()
{
    registerNativeFunction("__array_literal", &VM::native_array_literal);
    registerNativeFunction("__get_elem",      &VM::native_get_elem);
    registerNativeFunction("__set_elem",      &VM::native_set_elem);
}
 
Value VM::native_array_literal(const std::vector<Value>& args, VM* /*vm*/)
{
    return Value::createArray(std::vector<Value>(args.begin(), args.end()));
}
 
Value VM::native_get_elem(const std::vector<Value>& args, VM* /*vm*/)
{
    if (args.size() < 2)
        throw std::runtime_error("__get_elem requires array and index");
 
    auto arr = args[0].asArray();
    if (!arr)
        throw std::runtime_error("__get_elem called on non-array");
 
    i64 idx = args[1].asInt();
    if (idx < 0 || idx >= static_cast<i64>(arr->size()))
        throw std::runtime_error("Index out of bounds");
 
    return (*arr)[static_cast<size_t>(idx)];
}
 
Value VM::native_set_elem(const std::vector<Value>& args, VM* /*vm*/)
{
    if (args.size() < 3)
        throw std::runtime_error("__set_elem requires array, index, value");
 
    auto arr = std::const_pointer_cast<Value::ArrayInstance>(args[0].asArray());
    if (!arr)
        throw std::runtime_error("__set_elem called on non-array");
 
    i64 idx = args[1].asInt();
    if (idx < 0 || idx >= static_cast<i64>(arr->size()))
        throw std::runtime_error("Index out of bounds");
 
    (*arr)[static_cast<size_t>(idx)] = args[2];
    return args[2];
}
 
} // namespace Phasor