From 55815fe59d1473c620da082573bd6656139c0030 Mon Sep 17 00:00:00 2001
From: Yoshi Askharoun <jjask7@gmail.com>
Date: Sat, 27 Sep 2025 02:22:15 -0500
Subject: [PATCH] [WIP] Add debug symbol models

---
 .../Debug/Symbols/ApplicationDebugSymbols.cs  | 46 +++++++++++++++++++
 .../Debug/Symbols/DebugSymbolsJsonParser.cs   | 14 ++++++
 2 files changed, 60 insertions(+)
 create mode 100644 UIX/Microsoft/Iris/Debug/Symbols/ApplicationDebugSymbols.cs
 create mode 100644 UIX/Microsoft/Iris/Debug/Symbols/DebugSymbolsJsonParser.cs

diff --git a/UIX/Microsoft/Iris/Debug/Symbols/ApplicationDebugSymbols.cs b/UIX/Microsoft/Iris/Debug/Symbols/ApplicationDebugSymbols.cs
new file mode 100644
index 0000000..f86d39a
--- /dev/null
+++ b/UIX/Microsoft/Iris/Debug/Symbols/ApplicationDebugSymbols.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace Microsoft.Iris.Debug.Symbols;
+
+public class ApplicationDebugSymbols
+{
+    public List<FileDebugSymbols> Files { get; set; }
+}
+
+public class FileDebugSymbols
+{
+    public string SourceFileName { get; set; }
+
+    public string CompiledFileName { get; set; }
+
+    public Dictionary<uint, ScriptDebugSymbols> ScriptSymbols { get; set; }
+}
+
+public class ScriptDebugSymbols
+{
+    public string SourceCode { get; set; }
+
+    public Dictionary<uint, SourceSpan> SourceMap { get; set; }
+}
+
+[DebuggerDisplay("[{Start}..{End}]")]
+public class SourceSpan
+{
+    public SourceSpan(int start, int end)
+    {
+        if (start > end)
+            throw new ArgumentException($"Source start index must be at or after end index.");
+
+        Start = start;
+        End = end;
+    }
+
+    public int Start { get; set; }
+
+    public int End { get; set; }
+
+    public int GetLength() => End - Start;
+}
+
diff --git a/UIX/Microsoft/Iris/Debug/Symbols/DebugSymbolsJsonParser.cs b/UIX/Microsoft/Iris/Debug/Symbols/DebugSymbolsJsonParser.cs
new file mode 100644
index 0000000..0331f59
--- /dev/null
+++ b/UIX/Microsoft/Iris/Debug/Symbols/DebugSymbolsJsonParser.cs
@@ -0,0 +1,14 @@
+using Newtonsoft.Json;
+
+namespace Microsoft.Iris.Debug.Symbols;
+
+public static class DebugSymbolsJsonParser
+{
+    public static ApplicationDebugSymbols ParseForApplication(string json) => JsonConvert.DeserializeObject<ApplicationDebugSymbols>(json);
+
+    public static FileDebugSymbols ParseForFile(string json) => JsonConvert.DeserializeObject<FileDebugSymbols>(json);
+
+    public static string Serialize(ApplicationDebugSymbols symbols) => JsonConvert.SerializeObject(symbols);
+
+    public static string Serialize(FileDebugSymbols symbols) => JsonConvert.SerializeObject(symbols);
+}