Added initial implementation of UIXA parser

libs/UIX.Test/Assembly.cs

@@ -0,0 +1,32 @@
+using Sprache;
+using UIX.Asm;
+
+namespace UIX.Test;
+
+public class Assembly
+{
+    [Fact]
+    public void Test1()
+    {
+        const string code =
+"""
+.import Me as me
+.import assembly://UIX/Microsoft.Iris as iris
+
+main:
+    COBJ 2
+    PSHC 0
+    PINI 1
+    PSHC 1
+    PINI 2
+    PINI 0
+    RETV
+    RETV
+""";
+
+        var ast = Lexer.Program.Parse(code);
+        Assert.NotNull(ast);
+        Assert.Equal(2, ast.Imports.Count());
+        Assert.Equal(9, ast.Body.Count());
+    }
+}

libs/UIX.Test/GlobalUsings.cs

@@ -0,0 +1 @@
+global using Xunit;

libs/UIX.Test/UIX.Test.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\UIX.Asm\UIX.Asm.csproj" />
+  </ItemGroup>
+
+</Project>