From 3345ffe59062858f59a84f57f25451b91a2cdbaa Mon Sep 17 00:00:00 2001
From: Yoshi Askharoun <jjask7@gmail.com>
Date: Wed, 11 Oct 2023 13:23:33 -0500
Subject: [PATCH] Implement MarkupLineNumberTable.DumpTable()

---
 .../Iris/Debug/Data/MarkupLineNumberEntry.cs  |  3 ++
 UIX/Microsoft/Iris/Markup/Interpreter.cs      |  2 ++
 .../Iris/Markup/MarkupLineNumberTable.cs      | 34 +++++++++++--------
 3 files changed, 25 insertions(+), 14 deletions(-)
 create mode 100644 UIX/Microsoft/Iris/Debug/Data/MarkupLineNumberEntry.cs

diff --git a/UIX/Microsoft/Iris/Debug/Data/MarkupLineNumberEntry.cs b/UIX/Microsoft/Iris/Debug/Data/MarkupLineNumberEntry.cs
new file mode 100644
index 0000000..e5e6fab
--- /dev/null
+++ b/UIX/Microsoft/Iris/Debug/Data/MarkupLineNumberEntry.cs
@@ -0,0 +1,3 @@
+namespace Microsoft.Iris.Debug.Data;
+
+public record struct MarkupLineNumberEntry(uint Offset, int Line, int Column);
diff --git a/UIX/Microsoft/Iris/Markup/Interpreter.cs b/UIX/Microsoft/Iris/Markup/Interpreter.cs
index 67fead4..0df4c03 100644
--- a/UIX/Microsoft/Iris/Markup/Interpreter.cs
+++ b/UIX/Microsoft/Iris/Markup/Interpreter.cs
@@ -68,6 +68,8 @@ namespace Microsoft.Iris.Markup
             object result = null;
             bool wasInDebugState = false;
             bool debugging = Application.Debugger != null;
+
+            context.LoadResult.LineNumberTable.DumpTable();
             
             void OnDecode(InterpreterEntry entry)
             {
diff --git a/UIX/Microsoft/Iris/Markup/MarkupLineNumberTable.cs b/UIX/Microsoft/Iris/Markup/MarkupLineNumberTable.cs
index 21c03ad..b54f32d 100644
--- a/UIX/Microsoft/Iris/Markup/MarkupLineNumberTable.cs
+++ b/UIX/Microsoft/Iris/Markup/MarkupLineNumberTable.cs
@@ -4,20 +4,18 @@
 // MVID: A56C6C9D-B7F6-46A9-8BDE-B3D9B8D60B11
 // Assembly location: C:\Program Files\Zune\UIX.dll
 
-using System.Diagnostics;
-
 namespace Microsoft.Iris.Markup
 {
     public class MarkupLineNumberTable
     {
-        private const ulong OFFSET_MASK = 4194303;
-        private const uint OFFSET_MAX = 4194303;
-        private const ulong LINE_MASK = 8796088827904;
+        private const ulong OFFSET_MASK = 0x3F_FFFFUL;
+        private const uint OFFSET_MAX = 0x3F_FFFF;
+        private const ulong LINE_MASK = 0x7FF_FFC0_0000UL;
         private const int LINE_SHIFT = 22;
-        private const uint LINE_MAX = 2097151;
-        private const ulong COLUMN_MASK = 18446735277616529408;
+        private const uint LINE_MAX = 0x1F_FFFF;
+        private const ulong COLUMN_MASK = 0xFFFF_F800_0000_0000UL;
         private const int COLUMN_SHIFT = 43;
-        private const uint COLUMN_MAX = 2097151;
+        private const uint COLUMN_MAX = 0x1F_FFFF;
         private Vector<ulong> _lookupTable;
         private ulong[] _runtimeList;
 
@@ -64,17 +62,25 @@ namespace Microsoft.Iris.Markup
 
         internal ulong[] PersistList => _runtimeList;
 
-        [Conditional("DEBUG")]
-        public void DEBUG_DumpTable()
+        public Vector<Debug.Data.MarkupLineNumberEntry> DumpTable()
         {
+            Vector<Debug.Data.MarkupLineNumberEntry> knownLines = new();
+
+            for (int index = 0; index < _runtimeList.Length; ++index)
+            {
+                var value = _runtimeList[index];
+                knownLines.Add(new(UnpackOffset(value), UnpackLine(value), UnpackColumn(value)));
+            }
+
+            return knownLines;
         }
 
-        private static ulong Pack(uint offset, int line, int column) => (ulong)(offset | (long)line << 22 | (long)column << 43);
+        private static ulong Pack(uint offset, int line, int column) => (ulong)(offset | (long)line << LINE_SHIFT | (long)column << COLUMN_SHIFT);
 
-        private static uint UnpackOffset(ulong value) => (uint)(value & 0x3F_FFFFUL);
+        private static uint UnpackOffset(ulong value) => (uint)(value & OFFSET_MASK);
 
-        private static int UnpackLine(ulong value) => (int)((value & 0x7FF_FFC0_0000UL) >> 22);
+        private static int UnpackLine(ulong value) => (int)((value & LINE_MASK) >> LINE_SHIFT);
 
-        private static int UnpackColumn(ulong value) => (int)((value & 0xFFFF_F800_0000_0000UL) >> 43);
+        private static int UnpackColumn(ulong value) => (int)((value & COLUMN_MASK) >> COLUMN_SHIFT);
     }
 }