C#: Refator directive visitor to use expression body.

Author: michaelnebel

csharp/extractor/Semmle.Extraction.CSharp/Populators/DirectiveVisitor.cs

@@ -17,50 +17,32 @@ internal class DirectiveVisitor : CSharpSyntaxWalker
         /// </summary>
         public IEnumerable<IEntity> BranchesTaken => branchesTaken;
 
-        public DirectiveVisitor(Context cx) : base(SyntaxWalkerDepth.StructuredTrivia)
-        {
+        public DirectiveVisitor(Context cx) : base(SyntaxWalkerDepth.StructuredTrivia) =>
             this.cx = cx;
-        }
 
-        public override void VisitPragmaWarningDirectiveTrivia(PragmaWarningDirectiveTriviaSyntax node)
-        {
+        public override void VisitPragmaWarningDirectiveTrivia(PragmaWarningDirectiveTriviaSyntax node) =>
             Entities.PragmaWarningDirective.Create(cx, node);
-        }
 
-        public override void VisitPragmaChecksumDirectiveTrivia(PragmaChecksumDirectiveTriviaSyntax node)
-        {
+        public override void VisitPragmaChecksumDirectiveTrivia(PragmaChecksumDirectiveTriviaSyntax node) =>
             Entities.PragmaChecksumDirective.Create(cx, node);
-        }
 
-        public override void VisitDefineDirectiveTrivia(DefineDirectiveTriviaSyntax node)
-        {
+        public override void VisitDefineDirectiveTrivia(DefineDirectiveTriviaSyntax node) =>
             Entities.DefineDirective.Create(cx, node);
-        }
 
-        public override void VisitUndefDirectiveTrivia(UndefDirectiveTriviaSyntax node)
-        {
+        public override void VisitUndefDirectiveTrivia(UndefDirectiveTriviaSyntax node) =>
             Entities.UndefineDirective.Create(cx, node);
-        }
 
-        public override void VisitWarningDirectiveTrivia(WarningDirectiveTriviaSyntax node)
-        {
+        public override void VisitWarningDirectiveTrivia(WarningDirectiveTriviaSyntax node) =>
             Entities.WarningDirective.Create(cx, node);
-        }
 
-        public override void VisitErrorDirectiveTrivia(ErrorDirectiveTriviaSyntax node)
-        {
+        public override void VisitErrorDirectiveTrivia(ErrorDirectiveTriviaSyntax node) =>
             Entities.ErrorDirective.Create(cx, node);
-        }
 
-        public override void VisitNullableDirectiveTrivia(NullableDirectiveTriviaSyntax node)
-        {
+        public override void VisitNullableDirectiveTrivia(NullableDirectiveTriviaSyntax node) =>
             Entities.NullableDirective.Create(cx, node);
-        }
 
-        public override void VisitLineDirectiveTrivia(LineDirectiveTriviaSyntax node)
-        {
+        public override void VisitLineDirectiveTrivia(LineDirectiveTriviaSyntax node) =>
             Entities.LineDirective.Create(cx, node);
-        }
 
         public override void VisitLineSpanDirectiveTrivia(LineSpanDirectiveTriviaSyntax node) =>
             Entities.LineSpanDirective.Create(cx, node);