loom

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/*
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MIT License
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Copyright (c) 2022 МГТУ им. Н.Э. Баумана, кафедра ИУ-6, Михаил Фетисов,
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https://bmstu.codes/lsx/simodo/loom
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*/
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#include "simodo/variable/Variable.h"
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#include <cassert>
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using namespace simodo::variable;
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const Variable & Variable::origin() const
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{
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    if (type() != ValueType::Ref)
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        return *this;
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    const Variable & o = _value.getRef().origin();
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    assert(o.type() != ValueType::Ref);
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    return o;
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}
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Variable & Variable::origin()
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{
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    if (type() != ValueType::Ref)
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        return *this;
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    Variable & o = std::get<VariableRef>(_value.variant()).origin();
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    assert(o.type() != ValueType::Ref);
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    return o;
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}
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Variable Variable::copyVariable() const
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{
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    return { _name, _value.copy(), _location, 
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             _spec.isNull() 
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                    ? Specification {} 
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                    : Specification { spec().object()->copy() } };
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}
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VariableRef Variable::makeReference() const
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{
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    if (type() == ValueType::Ref)
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        return std::get<VariableRef>(variant());
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    return VariableRef {*this};
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}
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