Add ref modifier

ICSharpCode.Decompiler/CSharp/Syntax/CSharpModifierToken.cs

@@ -67,6 +67,7 @@ protected internal override bool DoMatch(AstNode other, PatternMatching.Match ma
  Modifiers.Unsafe,
  Modifiers.Abstract, Modifiers.Virtual, Modifiers.Sealed, Modifiers.Static, Modifiers.Override,
  Modifiers.Readonly, Modifiers.Volatile,
+ Modifiers.Ref,
  Modifiers.Extern, Modifiers.Partial, Modifiers.Const,
  Modifiers.Async,
  Modifiers.Any
@@ -118,6 +119,8 @@ public static string GetModifierName(Modifiers modifier)
  return "unsafe";
  case Modifiers.Async:
  return "async";
+ case Modifiers.Ref:
+ return "ref";
  case Modifiers.Any:
  // even though it's used for pattern matching only, 'any' needs to be in this list to be usable in the AST
  return "any";
@@ -163,6 +166,8 @@ public static int GetModifierLength(Modifiers modifier)
  return "unsafe".Length;
  case Modifiers.Async:
  return "async".Length;
+ case Modifiers.Ref:
+ return "ref".Length;
  case Modifiers.Any:
  // even though it's used for pattern matching only, 'any' needs to be in this list to be usable in the AST
  return "any".Length;
@@ -208,6 +213,8 @@ public static Modifiers GetModifierValue(string modifier)
  return Modifiers.Unsafe;
  case "async":
  return Modifiers.Async;
+ case "ref":
+ return Modifiers.Ref;
  case "any":
  // even though it's used for pattern matching only, 'any' needs to be in this list to be usable in the AST
  return Modifiers.Any;

ICSharpCode.Decompiler/CSharp/Syntax/Modifiers.cs

@@ -54,6 +54,7 @@ public enum Modifiers
  Volatile = 0x4000,
  Unsafe = 0x8000,
  Async = 0x10000,
+ Ref = 0x20000,
 
  VisibilityMask = Private | Internal | Protected | Public,