Move to file

Author: JohanLarsson

ReflectionAnalyzers/Helpers/Reflection/GetEvent.cs

@@ -0,0 +1,66 @@
+namespace ReflectionAnalyzers;
+
+using System.Threading;
+using Gu.Roslyn.AnalyzerExtensions;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+internal readonly struct GetEvent
+{
+    internal readonly InvocationExpressionSyntax Invocation;
+    internal readonly IMethodSymbol Target;
+    internal readonly ReflectedMember Member;
+    internal readonly Name Name;
+    internal readonly Flags Flags;
+
+    private GetEvent(InvocationExpressionSyntax invocation, IMethodSymbol target, ReflectedMember member, Name name, Flags flags)
+    {
+        this.Invocation = invocation;
+        this.Target = target;
+        this.Member = member;
+        this.Name = name;
+        this.Flags = flags;
+    }
+
+    internal IEventSymbol? Single => this.Member.Match == FilterMatch.Single ? (IEventSymbol)this.Member.Symbol! : null;
+
+    /// <summary>
+    /// Check if <paramref name="candidate"/> is a call to Type.GetEvent.
+    /// </summary>
+    internal static GetEvent? Match(ExpressionSyntax candidate, SemanticModel semanticModel, CancellationToken cancellationToken)
+    {
+        if (GetX.FindInvocation(candidate, semanticModel, cancellationToken) is { } invocation)
+        {
+            return Match(invocation, semanticModel, cancellationToken);
+        }
+
+        return null;
+    }
+
+    /// <summary>
+    /// Check if <paramref name="candidate"/> is a call to Type.GetEvent.
+    /// </summary>
+    internal static GetEvent? Match(InvocationExpressionSyntax candidate, SemanticModel semanticModel, CancellationToken cancellationToken)
+    {
+        if (candidate.TryGetTarget(KnownSymbol.Type.GetField, semanticModel, cancellationToken, out var target))
+        {
+            if (ReflectedMember.TryGetType(candidate, semanticModel, cancellationToken, out var type, out var typeSource) &&
+                Name.TryCreate(candidate, target, semanticModel, cancellationToken, out var name) &&
+                Flags.TryCreate(candidate, target, semanticModel, cancellationToken, out var flags) &&
+                ReflectedMember.TryCreate(target, candidate, type, typeSource, name, flags.Effective, Types.Any, semanticModel.Compilation, out var member))
+            {
+                return new GetEvent(candidate, target, member, name, flags);
+            }
+
+            if (Flags.TryCreate(candidate, target, semanticModel, cancellationToken, out flags) &&
+                flags.AreInSufficient)
+            {
+                _ = Name.TryCreate(candidate, target, semanticModel, cancellationToken, out name);
+                member = new ReflectedMember(type, typeSource, null, target, candidate, FilterMatch.InSufficientFlags);
+                return new GetEvent(candidate, target, member, name, flags);
+            }
+        }
+
+        return null;
+    }
+}

ReflectionAnalyzers/Helpers/Reflection/GetField.cs

@@ -64,63 +64,3 @@ private GetField(InvocationExpressionSyntax invocation, IMethodSymbol target, Re
         return null;
     }
 }
-
-internal readonly struct GetEvent
-{
-    internal readonly InvocationExpressionSyntax Invocation;
-    internal readonly IMethodSymbol Target;
-    internal readonly ReflectedMember Member;
-    internal readonly Name Name;
-    internal readonly Flags Flags;
-
-    private GetEvent(InvocationExpressionSyntax invocation, IMethodSymbol target, ReflectedMember member, Name name, Flags flags)
-    {
-        this.Invocation = invocation;
-        this.Target = target;
-        this.Member = member;
-        this.Name = name;
-        this.Flags = flags;
-    }
-
-    internal IEventSymbol? Single => this.Member.Match == FilterMatch.Single ? (IEventSymbol)this.Member.Symbol! : null;
-
-    /// <summary>
-    /// Check if <paramref name="candidate"/> is a call to Type.GetField.
-    /// </summary>
-    internal static GetEvent? Match(ExpressionSyntax candidate, SemanticModel semanticModel, CancellationToken cancellationToken)
-    {
-        if (GetX.FindInvocation(candidate, semanticModel, cancellationToken) is { } invocation)
-        {
-            return Match(invocation, semanticModel, cancellationToken);
-        }
-
-        return null;
-    }
-
-    /// <summary>
-    /// Check if <paramref name="candidate"/> is a call to Type.GetField.
-    /// </summary>
-    internal static GetEvent? Match(InvocationExpressionSyntax candidate, SemanticModel semanticModel, CancellationToken cancellationToken)
-    {
-        if (candidate.TryGetTarget(KnownSymbol.Type.GetField, semanticModel, cancellationToken, out var target))
-        {
-            if (ReflectedMember.TryGetType(candidate, semanticModel, cancellationToken, out var type, out var typeSource) &&
-                Name.TryCreate(candidate, target, semanticModel, cancellationToken, out var name) &&
-                Flags.TryCreate(candidate, target, semanticModel, cancellationToken, out var flags) &&
-                ReflectedMember.TryCreate(target, candidate, type, typeSource, name, flags.Effective, Types.Any, semanticModel.Compilation, out var member))
-            {
-                return new GetEvent(candidate, target, member, name, flags);
-            }
-
-            if (Flags.TryCreate(candidate, target, semanticModel, cancellationToken, out flags) &&
-                flags.AreInSufficient)
-            {
-                _ = Name.TryCreate(candidate, target, semanticModel, cancellationToken, out name);
-                member = new ReflectedMember(type, typeSource, null, target, candidate, FilterMatch.InSufficientFlags);
-                return new GetEvent(candidate, target, member, name, flags);
-            }
-        }
-
-        return null;
-    }
-}