PorygonLang/src/Evaluator/EvalValues/EvalValue.hpp

91 lines
2.6 KiB
C++

#ifndef PORYGONLANG_EVALVALUE_HPP
#define PORYGONLANG_EVALVALUE_HPP
#include "../../ScriptType.hpp"
#include "../EvaluationException.hpp"
#include <string>
#include <sstream>
#include <memory>
namespace Porygon::Evaluation {
class EvalValue {
public:
EvalValue() = default;
virtual ~EvalValue() = default;
virtual const TypeClass GetTypeClass() const = 0;
virtual const bool operator==(EvalValue *b) const = 0;
virtual const bool operator!=(EvalValue *b) const {
return !(this->operator==(b));
}
virtual const shared_ptr<EvalValue> Clone() const = 0;
virtual const long EvaluateInteger() const {
throw EvaluationException("Can't evaluate this EvalValue as integer.");
}
virtual const double EvaluateFloat() const {
throw EvaluationException("Can't evaluate this EvalValue as float.");
}
virtual const bool EvaluateBool() const {
throw EvaluationException("Can't evaluate this EvalValue as bool.");
}
virtual const std::u16string EvaluateString() const {
throw EvaluationException("Can't evaluate this EvalValue as string.");
}
virtual const std::size_t GetHashCode() const = 0;
virtual const shared_ptr<EvalValue> IndexValue(EvalValue *val) const {
throw EvaluationException("Can't index this EvalValue");
}
virtual const shared_ptr<EvalValue> IndexValue(uint32_t hash) const {
throw EvaluationException("Can't index this EvalValue");
}
virtual void SetIndexValue(EvalValue *key, const shared_ptr<EvalValue> &value) const {
throw EvaluationException("Can't index this EvalValue");
}
};
class BooleanEvalValue : public EvalValue {
const bool _value;
public:
explicit BooleanEvalValue(bool val)
: _value(val) {
}
const shared_ptr<EvalValue> Clone() const final {
return make_shared<BooleanEvalValue>(_value);
}
const TypeClass GetTypeClass() const final {
return TypeClass::Bool;
}
const bool EvaluateBool() const final {
return _value;
}
const bool operator==(EvalValue *b) const final {
if (b->GetTypeClass() != TypeClass::Bool)
return false;
return this->EvaluateBool() == b->EvaluateBool();
};
const std::size_t GetHashCode() const final {
return _value;
}
};
}
#endif //PORYGONLANG_EVALVALUE_HPP