Make HLE project AOT friendly (#7085)

* add hle service generator

remove usage of reflection in device state

* remove rd.xml generation

* make applet manager reflection free

* fix typos

* fix encoding

* fix style report

* remove rogue generator reference

* remove double assignment

src/Ryujinx.HLE.Generators/CodeGenerator.cs

@@ -0,0 +1,63 @@
+using System.Text;
+
+namespace Ryujinx.HLE.Generators
+{
+    class CodeGenerator
+    {
+        private const int IndentLength = 4;
+
+        private readonly StringBuilder _sb;
+        private int _currentIndentCount;
+
+        public CodeGenerator()
+        {
+            _sb = new StringBuilder();
+        }
+
+        public void EnterScope(string header = null)
+        {
+            if (header != null)
+            {
+                AppendLine(header);
+            }
+
+            AppendLine("{");
+            IncreaseIndentation();
+        }
+
+        public void LeaveScope(string suffix = "")
+        {
+            DecreaseIndentation();
+            AppendLine($"}}{suffix}");
+        }
+
+        public void IncreaseIndentation()
+        {
+            _currentIndentCount++;
+        }
+
+        public void DecreaseIndentation()
+        {
+            if (_currentIndentCount - 1 >= 0)
+            {
+                _currentIndentCount--;
+            }
+        }
+
+        public void AppendLine()
+        {
+            _sb.AppendLine();
+        }
+
+        public void AppendLine(string text)
+        {
+            _sb.Append(' ', IndentLength * _currentIndentCount);
+            _sb.AppendLine(text);
+        }
+
+        public override string ToString()
+        {
+            return _sb.ToString();
+        }
+    }
+}