initial commit

Yc/Program.cs

@@ -0,0 +1,27 @@
+using System;
+using Upsilon.Evaluator;
+using Upsilon.Parser;
+
+namespace Yc
+{
+    static class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Upsilon REPL");
+            while (true)
+            {
+                Console.Write("» ");
+                var input = Console.ReadLine();
+                if (input == "exit")
+                {
+                    return;
+                }
+
+                var parser = Parser.Parse(input);
+                //Console.WriteLine(parser.Print());
+                Console.WriteLine(parser.Evaluate());
+            }
+        }
+    }
+}

Yc/Yc.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>netcoreapp2.1</TargetFramework>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\Upsilon\Upsilon.csproj" />
+    </ItemGroup>
+
+</Project>