control_flow.hpp

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#pragma once
 
#include <utility>
 
#include "tcalc/ast/node.hpp"
#include "tcalc/common.hpp"
 
namespace tcalc::ast {
 
class IfNode : public Node
{
private:
  NodePtr<> _cond;
  NodePtr<> _then;
  NodePtr<> _else;
 
public:
  IfNode()
    : IfNode{ nullptr, nullptr, nullptr }
  {
  }
 
  IfNode(NodePtr<> cond, NodePtr<> then, NodePtr<> else_)
    : Node{ NodeType::IF }
    , _cond{ std::move(cond) }
    , _then{ std::move(then) }
    , _else{ std::move(else_) }
  {
  }
 
  ~IfNode() override = default;
 
  [[nodiscard]] TCALC_INLINE auto& cond() const noexcept { return _cond; }
 
  TCALC_INLINE auto& cond() noexcept { return _cond; }
 
  TCALC_INLINE void cond(NodePtr<> cond) noexcept { _cond = std::move(cond); }
 
  [[nodiscard]] TCALC_INLINE auto& then() const noexcept { return _then; }
 
  TCALC_INLINE auto& then() noexcept { return _then; }
 
  TCALC_INLINE void then(NodePtr<> then) noexcept { _then = std::move(then); }
 
  [[nodiscard]] TCALC_INLINE auto& else_() const noexcept { return _else; }
 
  TCALC_INLINE auto& else_() noexcept { return _else; }
 
  TCALC_INLINE void else_(NodePtr<> else_) noexcept
  {
    _else = std::move(else_);
  }
};
 
}