[src] Enable stylecop's SA1132 (do not combine fields) warning. (#22299)

Also fix any resulting warnings.

Author: rolfbjarne

src/AVFoundation/Events.cs

@@ -74,7 +74,8 @@ public AVStatusEventArgs (bool status)
 
 #pragma warning disable 672
 	sealed class InternalAVAudioPlayerDelegate : AVAudioPlayerDelegate {
-		internal EventHandler? cbEndInterruption, cbBeginInterruption;
+		internal EventHandler? cbEndInterruption;
+		internal EventHandler? cbBeginInterruption;
 		internal EventHandler<AVStatusEventArgs>? cbFinishedPlaying;
 		internal EventHandler<AVErrorEventArgs?>? cbDecoderError;
 
@@ -174,7 +175,8 @@ public event EventHandler EndInterruption {
 
 #if !TVOS
 	internal class InternalAVAudioRecorderDelegate : AVAudioRecorderDelegate {
-		internal EventHandler? cbEndInterruption, cbBeginInterruption;
+		internal EventHandler? cbEndInterruption;
+		internal EventHandler? cbBeginInterruption;
 		internal EventHandler<AVStatusEventArgs>? cbFinishedRecording;
 		internal EventHandler<AVErrorEventArgs?>? cbEncoderError;
 
@@ -315,7 +317,8 @@ public AVCategoryEventArgs (string category)
 
 #if !MONOMAC && !TVOS
 	internal class InternalAVAudioSessionDelegate : AVAudioSessionDelegate {
-		internal EventHandler? cbEndInterruption, cbBeginInterruption;
+		internal EventHandler? cbEndInterruption;
+		internal EventHandler? cbBeginInterruption;
 		internal EventHandler<AVCategoryEventArgs>? cbCategoryChanged;
 		internal EventHandler<AVStatusEventArgs>? cbInputAvailabilityChanged;
 		internal EventHandler<AVSampleRateEventArgs>? cbSampleRateChanged;

src/AudioToolbox/AudioType.cs

@@ -816,7 +816,9 @@ public struct AudioChannelDescription {
 		/// <summary>Determines how the coordinates should be interpreted.</summary>
 		///         <remarks>To be added.</remarks>
 		public AudioChannelFlags Flags;
-		float Coord0, Coord1, Coord2;
+		float Coord0;
+		float Coord1;
+		float Coord2;
 #if !COREBUILD
 
 		/// <summary>To be added.</summary>

src/AudioUnit/AudioUnit.cs

@@ -1464,7 +1464,9 @@ public AURenderEvent? Next {
 		///         <remarks>To be added.</remarks>
 		public AURenderEventType EventType;
 
-		internal byte reserved1, reserved2, reserved3;
+		internal byte reserved1;
+		internal byte reserved2;
+		internal byte reserved3;
 
 		/// <summary>To be added.</summary>
 		///         <remarks>To be added.</remarks>

src/CoreFoundation/CFStream.cs

@@ -177,7 +177,8 @@ public abstract class CFStream : CFType {
 		GCHandle gch;
 		CFRunLoop? loop;
 		NSString? loopMode;
-		bool open, closed;
+		bool open;
+		bool closed;
 
 		#region Stream Constructors
 

src/GameKit/GameKit2.cs

@@ -140,7 +140,9 @@ public event EventHandler<GKPeerConnectionEventArgs> Failed {
 
 	class Mono_GKSessionDelegate : GKSessionDelegate {
 		internal EventHandler<GKPeerChangedStateEventArgs>? cbPeerChanged;
-		internal EventHandler<GKPeerConnectionEventArgs>? cbConnectionRequest, cbConnectionFailed, cbFailedWithError;
+		internal EventHandler<GKPeerConnectionEventArgs>? cbConnectionRequest;
+		internal EventHandler<GKPeerConnectionEventArgs>? cbConnectionFailed;
+		internal EventHandler<GKPeerConnectionEventArgs>? cbFailedWithError;
 
 		public Mono_GKSessionDelegate ()
 		{

src/Metal/Defs.cs

@@ -666,7 +666,10 @@ public MTLIndirectCommandBufferExecutionRange (uint location, uint length)
 	public struct MTLTextureSwizzleChannels {
 #if COREBUILD
 		// keep size identical
-		byte Red, Green, Blue, Alpha;
+		byte Red;
+		byte Green;
+		byte Blue;
+		byte Alpha;
 #else
 		public MTLTextureSwizzle Red;
 

src/PrintCore/Defs.cs

@@ -168,7 +168,8 @@ public enum PMOrientation : System.UInt16 {
 #endif
 	[StructLayout (LayoutKind.Sequential)]
 	public struct PMResolution {
-		double hRes, vRes;
+		double hRes;
+		double vRes;
 		public double HorizontalResolution => hRes;
 		public double VerticalResolution => vRes;
 
@@ -188,7 +189,10 @@ public override string ToString ()
 #endif
 	[StructLayout (LayoutKind.Sequential)]
 	public struct PMRect {
-		internal double top, left, bottom, right;
+		internal double top;
+		internal double left;
+		internal double bottom;
+		internal double right;
 
 		public double Top => top;
 		public double Left => left;

src/stylecop.ruleset

@@ -69,7 +69,7 @@
 		<Rule Id="SA1129"  Action="None" />          <!-- Do not use default value type constructor -->
 		<Rule Id="SA1130"  Action="None" />          <!-- Use lambda syntax -->
 		<Rule Id="SA1131"  Action="None" />          <!-- Use readable conditions -->
-		<Rule Id="SA1132"  Action="None" />          <!-- Do not combine fields -->
+		<Rule Id="SA1132"  Action="Warning" />       <!-- Do not combine fields -->
 		<Rule Id="SA1133"  Action="None" />          <!-- Do not combine attributes -->
 		<Rule Id="SA1134"  Action="None" />          <!-- Attributes should not share line -->
 		<Rule Id="SA1135"  Action="None" />          <!-- Using directives should be qualified -->