From fded48d2a45c4855b20e3f64c8877d3cac455b5d Mon Sep 17 00:00:00 2001
From: ItzzCode <51547168+ItzzCode@users.noreply.github.com>
Date: Mon, 24 Oct 2022 23:26:31 -0400
Subject: [PATCH] Take me to your Xbox to play Fortnite today

---
 parser.cpp | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/parser.cpp b/parser.cpp
index dc4f98a..937388b 100644
--- a/parser.cpp
+++ b/parser.cpp
@@ -1 +1,31 @@
 #include "global.h"
+
+// base class
+class ExprAST {
+	public:
+		virtual ~ExprAST() {}
+};
+
+// class for double
+class DoubleExprAST : public ExprAST {
+	double Val;
+
+	public:
+		DoubleExprAST(double Val) : Val(Val) {}
+};
+
+// class for integer
+class IntegerExprAST : public ExprAST {
+	long Val;
+
+	public:
+		IntegerExprAST(long Val) : Val(Val) {}
+};
+
+// class for variable 
+class VariableExprAST : public ExprAST {
+	std::string Name;
+
+	public:
+		VariableExprAST(const std::string &Name) : Name(Name) {}
+};
\ No newline at end of file