Modified how wchar_t string constants are communicated so that their char width can be inferred.

Author: PathogenDavid

ClangSharp.Pathogen/PathogenConstantValueInfo.cs

@@ -11,7 +11,7 @@ public struct PathogenConstantValueInfo
         /// <summary>The subkind of the constant, see remarks for details.</summary>
         /// <remarks>
         /// If <see cref="Kind"/> is <see cref="PathogenConstantValueKind.UnsignedInteger"/>, <see cref="PathogenConstantValueKind.SignedInteger"/>, or <see cref="PathogenConstantValueKind.FloatingPoint"/>: This is the size of the value in bits.
-        /// If <see cref="Kind"/> is <see cref="PathogenConstantValueKind.String"/>, this is one of <see cref="PathogenStringConstantKind"/>.
+        /// If <see cref="Kind"/> is <see cref="PathogenConstantValueKind.String"/>, this is one of <see cref="PathogenStringConstantKind"/>, potentially with WideCharBit set in the case of wchar_t.
         /// If <see cref="Kind"/> is <see cref="PathogenConstantValueKind.Unknown"/>, this is one of <see cref="ClangConstantValueKind"/>.
         /// </remarks>
         public int SubKind;

ClangSharp.Pathogen/PathogenStringConstantKind.cs

@@ -1,11 +1,17 @@
-namespace ClangSharp.Pathogen
+using System;
+
+namespace ClangSharp.Pathogen
 {
     public enum PathogenStringConstantKind : int
     {
         Ascii,
+        /// <summary>Never actually used. We replace this with the more appropriate UTF equivalent with WideCharBit set instead.</summary>
+        [Obsolete("This kind will not appear under normal circumstances. It will be replaced with the appropriate UTF kind.")]
         WideChar,
         Utf8,
         Utf16,
-        Utf32
+        Utf32,
+        /// <summary>When combined with one of the UTF values, indicates that the constant was originally a <c>wchar_t</c> string.</summary>
+        WideCharBit = 1 << 31
     }
 }