1 files changed, 48 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Diagnostics/Demangler/Ast/FoldExpression.cs b/src/Ryujinx.HLE/HOS/Diagnostics/Demangler/Ast/FoldExpression.cs
new file mode 100644
index 00000000..04f7053e
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Diagnostics/Demangler/Ast/FoldExpression.cs
@@ -0,0 +1,48 @@
+using System.IO;
+
+namespace Ryujinx.HLE.HOS.Diagnostics.Demangler.Ast
+{
+    public class FoldExpression : BaseNode
+    {
+        private bool     _isLeftFold;
+        private string   _operatorName;
+        private BaseNode _expression;
+        private BaseNode _initializer;
+
+        public FoldExpression(bool isLeftFold, string operatorName, BaseNode expression, BaseNode initializer) : base(NodeType.FunctionParameter)
+        {
+            _isLeftFold   = isLeftFold;
+            _operatorName = operatorName;
+            _expression   = expression;
+            _initializer  = initializer;
+        }
+
+        public override void PrintLeft(TextWriter writer)
+        {
+            writer.Write("(");
+
+            if (_isLeftFold && _initializer != null)
+            {
+                _initializer.Print(writer);
+                writer.Write(" ");
+                writer.Write(_operatorName);
+                writer.Write(" ");
+            }
+
+            writer.Write(_isLeftFold ? "... " : " ");
+            writer.Write(_operatorName);
+            writer.Write(!_isLeftFold ? " ..." : " ");
+            _expression.Print(writer);
+
+            if (!_isLeftFold && _initializer != null)
+            {
+                _initializer.Print(writer);
+                writer.Write(" ");
+                writer.Write(_operatorName);
+                writer.Write(" ");
+            }
+
+            writer.Write(")");
+        }
+    }
+}
+\ No newline at end of file