Add a C++ demangler (#119)

* Add a C++ demangler for PrintStackTrace

This is a simple C++ demangler (only supporting name demangling) that will
probably be enough for any stacktrace cases.

* Create Ryujinx.Core.OsHle.Diagnostics.Demangler and move DemangleName

* Rename Demangler -> Demangle + Fix coding style

* Starting a real parsing for demangler (still simple and no compression support yet)

* Partially implement decompression

* Improve compression support (still need to fix errored compression indexing)

* Some cleanup

* Fix Demangle.Parse call in PrintStackTrace

* Trim parameters result to get more clear prototypes

* Rename Demangle -> Demangler and fix access level

* Fix substitution possible issues also improve code readability

* Redo compression indexing to be more accurate

* Add support of not nested function name

1 files changed, 5 insertions, 0 deletions

diff --git a/Ryujinx.Core/OsHle/Process.cs b/Ryujinx.Core/OsHle/Process.cs
index 44289c41..ea8ae139 100644
--- a/Ryujinx.Core/OsHle/Process.cs
+++ b/Ryujinx.Core/OsHle/Process.cs
@@ -5,6 +5,7 @@ using ChocolArm64.State;
 using Ryujinx.Core.Loaders;
 using Ryujinx.Core.Loaders.Executables;
 using Ryujinx.Core.Logging;
+using Ryujinx.Core.OsHle.Diagnostics;
 using Ryujinx.Core.OsHle.Exceptions;
 using Ryujinx.Core.OsHle.Handles;
 using Ryujinx.Core.OsHle.Kernel;
@@ -306,6 +307,10 @@ namespace Ryujinx.Core.OsHle
                 {
                     SubName = $"Sub{Position:x16}";
                 }
+                else if (SubName.StartsWith("_Z"))
+                {
+                    SubName = Demangler.Parse(SubName);
+                }
 
                 Trace.AppendLine(" " + SubName + " (" + GetNsoNameAndAddress(Position) + ")");
             }