85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
//
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// Created by Bobby Lucero on 5/21/23.
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//
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#pragma once
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#include <iostream>
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#include "Lexer.h"
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#include "helperFunctions/ShortHands.h"
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#include "TypeWrapper.h"
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struct BinaryExpr;
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struct GroupingExpr;
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struct LiteralExpr;
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struct UnaryExpr;
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struct Visitor
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{
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virtual sptr(Object) visitBinaryExpr(sptr(BinaryExpr) expr) = 0;
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virtual sptr(Object) visitGroupingExpr(sptr(GroupingExpr) expr) = 0;
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virtual sptr(Object) visitLiteralExpr(sptr(LiteralExpr) expr) = 0;
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virtual sptr(Object) visitUnaryExpr(sptr(UnaryExpr) expr) = 0;
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};
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struct Expr{
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virtual sptr(Object) accept(Visitor* visitor) = 0;
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virtual ~Expr(){}
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};
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struct BinaryExpr : Expr, public std::enable_shared_from_this<BinaryExpr>
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{
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const std::shared_ptr<Expr> left;
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const Token oper;
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const std::shared_ptr<Expr> right;
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BinaryExpr(sptr(Expr) left, Token oper, sptr(Expr) right) : left(left), oper(oper), right(right)
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{
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}
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sptr(Object) accept(Visitor* visitor) override{
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return visitor->visitBinaryExpr(shared_from_this() );
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}
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};
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struct GroupingExpr : Expr, public std::enable_shared_from_this<GroupingExpr>
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{
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const std::shared_ptr<Expr> expression;
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GroupingExpr(sptr(Expr) expression) : expression(expression)
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{
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}
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sptr(Object) accept(Visitor* visitor) override{
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return visitor->visitGroupingExpr(shared_from_this());
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}
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};
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struct LiteralExpr : Expr, public std::enable_shared_from_this<LiteralExpr>
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{
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const std::string value;
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const bool isNumber;
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const bool isNull;
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LiteralExpr(std::string value, bool isNumber, bool isNull) : value(value), isNumber(isNumber), isNull(isNull)
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{
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}
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sptr(Object) accept(Visitor* visitor) override{
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return visitor->visitLiteralExpr(shared_from_this());
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}
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};
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struct UnaryExpr : Expr, public std::enable_shared_from_this<UnaryExpr>
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{
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const Token oper;
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const std::shared_ptr<Expr> right;
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UnaryExpr(Token oper, sptr(Expr) right) : oper(oper), right(right)
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{
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}
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sptr(Object) accept(Visitor* visitor) override{
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return visitor->visitUnaryExpr(shared_from_this());
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}
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};
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////
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