part #2

src/BinaryIndex/__Libraries/StellaOps.BinaryIndex.Decompiler/DecompiledCodeParser.Analysis.cs

@@ -0,0 +1,50 @@
+// Copyright (c) StellaOps. All rights reserved.
+// Licensed under BUSL-1.1. See LICENSE in the project root.
+using System.Collections.Immutable;
+
+namespace StellaOps.BinaryIndex.Decompiler;
+
+public sealed partial class DecompiledCodeParser
+{
+    private static int CountNodes(AstNode node)
+    {
+        var count = 1;
+        foreach (var child in node.Children)
+        {
+            count += CountNodes(child);
+        }
+        return count;
+    }
+
+    private static int ComputeDepth(AstNode node)
+    {
+        if (node.Children.Length == 0)
+        {
+            return 1;
+        }
+
+        var maxDepth = 0;
+        foreach (var child in node.Children)
+        {
+            var depth = ComputeDepth(child);
+            if (depth > maxDepth)
+            {
+                maxDepth = depth;
+            }
+        }
+
+        return 1 + maxDepth;
+    }
+
+    private static ImmutableArray<AstPattern> ExtractPatterns(AstNode node)
+    {
+        var patterns = new List<AstPattern>();
+
+        foreach (var child in node.Children)
+        {
+            patterns.AddRange(ExtractPatterns(child));
+        }
+
+        return [.. patterns];
+    }
+}