From 400e4f4800a3b57ab647421e477c4c73ac6df34b Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Tue, 27 Oct 2015 19:03:56 -0400
Subject: [PATCH] Add an empty ICodeDataLogger emulator service, make it a
 required service for CDL.cs

---
 BizHawk.Client.EmuHawk/tools/CDL.cs               |  3 +++
 .../BizHawk.Emulation.Common.csproj               |  1 +
 BizHawk.Emulation.Common/Extensions.cs            | 15 +++++++++++++++
 .../Interfaces/ICodeDataLogger.cs                 |  6 ++++++
 4 files changed, 25 insertions(+)
 create mode 100644 BizHawk.Emulation.Common/Interfaces/ICodeDataLogger.cs

diff --git a/BizHawk.Client.EmuHawk/tools/CDL.cs b/BizHawk.Client.EmuHawk/tools/CDL.cs
index 08d798cb8f..d17e9420af 100644
--- a/BizHawk.Client.EmuHawk/tools/CDL.cs
+++ b/BizHawk.Client.EmuHawk/tools/CDL.cs
@@ -44,6 +44,9 @@ namespace BizHawk.Client.EmuHawk
 		[RequiredService]
 		private IMemoryDomains MemoryDomains { get; set; }
 
+		[RequiredService]
+		private ICodeDataLogger CodeDataLogger { get; set; }
+
 		private string _currentFileName = string.Empty;
 
 		public CDL()
diff --git a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
index dd74e4459f..ba070905d0 100644
--- a/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
+++ b/BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj
@@ -73,6 +73,7 @@
     <Compile Include="EmulationExceptions.cs" />
     <Compile Include="Enums.cs" />
     <Compile Include="Extensions.cs" />
+    <Compile Include="Interfaces\ICodeDataLogger.cs" />
     <Compile Include="Interfaces\IController.cs" />
     <Compile Include="Interfaces\ICoreFileProvider.cs" />
     <Compile Include="Interfaces\IDebuggable.cs" />
diff --git a/BizHawk.Emulation.Common/Extensions.cs b/BizHawk.Emulation.Common/Extensions.cs
index c1130930f0..a4697d036a 100644
--- a/BizHawk.Emulation.Common/Extensions.cs
+++ b/BizHawk.Emulation.Common/Extensions.cs
@@ -240,6 +240,21 @@ namespace BizHawk.Emulation.Common.IEmulatorExtensions
 			return (IRegionable)core.ServiceProvider.GetService<IRegionable>();
 		}
 
+		public static bool CanDataLog(this IEmulator core)
+		{
+			if (core == null)
+			{
+				return false;
+			}
+
+			return core.ServiceProvider.HasService<ICodeDataLogger>();
+		}
+
+		public static ICodeDataLogger AsCodeDataLogger(this IEmulator core)
+		{
+			return core.ServiceProvider.GetService<ICodeDataLogger>();
+		}
+
 		// TODO: a better place for these
 		public static bool IsImplemented(this MethodInfo info)
 		{
diff --git a/BizHawk.Emulation.Common/Interfaces/ICodeDataLogger.cs b/BizHawk.Emulation.Common/Interfaces/ICodeDataLogger.cs
new file mode 100644
index 0000000000..dcdd063137
--- /dev/null
+++ b/BizHawk.Emulation.Common/Interfaces/ICodeDataLogger.cs
@@ -0,0 +1,6 @@
+namespace BizHawk.Emulation.Common
+{
+	public interface ICodeDataLogger : IEmulatorService
+	{
+	}
+}