Enable MEN018 and fix noncompliance (except in Cores)

"Use Digit Separators" in integer literals

.global.editorconfig.ini

@@ -386,6 +386,8 @@ dotnet_diagnostic.MEN014.severity = warning
 dotnet_diagnostic.MEN015.severity = silent
 # Use object-oriented methods instead of top-level statements
 dotnet_diagnostic.MEN016.severity = silent
+# Use Digit Separators
+dotnet_diagnostic.MEN018.severity = warning
 
 ## Microsoft.CodeAnalysis.BannedApiAnalyzers rules
 

ExternalProjects/LibCommon.props

@@ -1,7 +1,7 @@
 <Project>
 	<Import Project="../Common.props" />
 	<PropertyGroup>
-		<NoWarn>$(NoWarn);SA1200</NoWarn>
+		<NoWarn>$(NoWarn);MEN018;SA1200</NoWarn>
 	</PropertyGroup>
 	<ItemGroup>
 		<None Remove="*.sh" />

src/BizHawk.Client.Common/cheats/GenesisGameGenieDecoder.cs

@@ -69,18 +69,18 @@ namespace BizHawk.Client.Common.cheats
 				hexCode |= y;
 			}
 
-			long decoded = (hexCode & 0xFF00000000) >> 32;
+			long decoded = (hexCode & 0xFF_0000_0000) >> 32;
-			decoded |= hexCode & 0x00FF000000;
+			decoded |= hexCode & 0x00_FF00_0000;
-			decoded |= (hexCode & 0x0000FF0000) << 16;
+			decoded |= (hexCode & 0x00_00FF_0000) << 16;
-			decoded |= (hexCode & 0x00000000700) << 5;
+			decoded |= (hexCode & 0x00_0000_0700) << 5;
-			decoded |= (hexCode & 0x000000F800) >> 3;
+			decoded |= (hexCode & 0x00_0000_F800) >> 3;
-			decoded |= (hexCode & 0x00000000FF) << 16;
+			decoded |= (hexCode & 0x00_0000_00FF) << 16;
 
 			return new DecodeResult
 			{
 				Size = WatchSize.Word,
-				Value = (int)(decoded & 0x000000FFFF),
+				Value = (int) (decoded & 0x00_0000_FFFF),
-				Address= (int)((decoded & 0xFFFFFF0000) >> 16)
+				Address = (int) ((decoded & 0xFF_FFFF_0000) >> 16),
 			};
 		}
 	}

src/BizHawk.Client.EmuHawk/AVOut/NutMuxer.cs

@@ -203,11 +203,12 @@ namespace BizHawk.Client.EmuHawk
 		{
 			public enum StartCode : ulong
 			{
-				Main = 0x4e4d7a561f5f04ad,
+				// where tf does this incantation come from --yoshi
-				Stream = 0x4e5311405bf2f9db,
+				Main = 0x4E4D_7A56_1F5F_04AD,
-				Syncpoint = 0x4e4be4adeeca4569,
+				Stream = 0x4E53_1140_5BF2_F9DB,
-				Index = 0x4e58dd672f23e64e,
+				Syncpoint = 0x4E4B_E4AD_EECA_4569,
-				Info = 0x4e49ab68b596ba78
+				Index = 0x4E58_DD67_2F23_E64E,
+				Info = 0x4E49_AB68_B596_BA78,
 			}
 
 			private MemoryStream _data;

src/BizHawk.Client.EmuHawk/AVOut/WavWriter.cs

@@ -72,7 +72,7 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		private void FinalizeHeaders()
 		{
-			if (_numBytes + 36 >= 0x100000000)
+			if (_numBytes + 36 >= 0x1_0000_0000)
 			{
 				// passed 4G limit, nothing to be done
 				return;

src/BizHawk.Common/Extensions/NumberExtensions.cs

@@ -72,17 +72,17 @@ namespace BizHawk.Common.NumberExtensions
 				return 2;
 			}
 
-			if (i < 0x10000)
+			if (i < 0x1_0000)
 			{
 				return 4;
 			}
 
-			if (i < 0x1000000)
+			if (i < 0x100_0000)
 			{
 				return 6;
 			}
 
-			if (i < 0x100000000)
+			if (i < 0x1_0000_0000)
 			{
 				return 8;
 			}

src/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj

@@ -5,7 +5,7 @@
 	<Import Project="../MainSlnCommon.props" />
 	<PropertyGroup>
 		<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-		<NoWarn>$(NoWarn);BHI1104;CA1806;CA1825;CA2214;MA0060;MA0084;MA0090;MA0140;RS0030;SA1100;SA1120;SA1129;SA1137;SA1205;SA1208;SA1400;SA1514;SA1517</NoWarn>
+		<NoWarn>$(NoWarn);BHI1104;CA1806;CA1825;CA2214;MA0060;MA0084;MA0090;MA0140;MEN018;RS0030;SA1100;SA1120;SA1129;SA1137;SA1205;SA1208;SA1400;SA1514;SA1517</NoWarn>
 		<Nullable>disable</Nullable>
 	</PropertyGroup>
 	<ItemGroup>

src/BizHawk.Emulation.DiscSystem/DiscFormats/Blobs/Blob_ECM.cs

@@ -82,12 +82,10 @@ namespace BizHawk.Emulation.DiscSystem
 				}
 
 				// end of blocks section
-				if (N == 0xFFFFFFFF)
+				if (N is 0xFFFF_FFFF) break;
-					break;
 
-				//the 0x80000000 business is confusing, but this is almost positively an error
+				// the 0x8000_0000 business is confusing, but this is almost positively an error
-				if (N >= 0x100000000)
+				if (N >= 0x1_0000_0000) MisformedException();
-					MisformedException();
 
 				var todo = (uint)N + 1;
 

src/MainSlnCommon.props

@@ -21,6 +21,7 @@
 		<PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers" PrivateAssets="all" />
 		<Analyzer Include="$(MSBuildProjectDirectory)/../../References/BizHawk.SrcGen.ReflectionCache.dll" />
 		<AdditionalFiles Include="$(MSBuildThisFileDirectory)/BannedSymbols.BannedApiAnalyzers.txt" />
+		<AdditionalFiles Include="$(MSBuildThisFileDirectory)/Menees.Analyzers.Settings.xml" />
 		<Using Include="System" />
 	</ItemGroup>
 	<ItemGroup Condition=" '$(Configuration)' != 'Debug' ">

src/Menees.Analyzers.Settings.xml

@@ -0,0 +1,8 @@
+<Menees.Analyzers.Settings>
+	<DigitSeparators> <!-- for MEN018 -->
+		<Binary GroupSize="4" MinSize="9" />
+		<!--<Decimal GroupSize="3" MinSize="8" />--> <!-- applies to float literals too :( -->
+		<Decimal GroupSize="3" MinSize="100" />
+		<Hexadecimal GroupSize="4" MinSize="9" />
+	</DigitSeparators>
+</Menees.Analyzers.Settings>