Update file headers and more _asConcreteType to Misc.swift

Author: ahoppen

Sources/SwiftSyntax/Misc.swift.gyb

@@ -7,7 +7,7 @@
 }%
 //// Automatically Generated From SyntaxNodes.swift.gyb.
 //// Do Not Edit Directly!
-//===------------ SyntaxNodes.swift - Syntax Node definitions -------------===//
+//===---------- Misc.swift - Miscelaneous SwiftSyntax definitions ---------===//
 //
 // This source file is part of the Swift.org open source project
 //
@@ -39,6 +39,23 @@ extension SyntaxNode {
 % end
 }
 
+public extension Syntax {
+  /// Retrieve the concretely typed node that this Syntax node wraps.
+  /// This property is exposed for testing purposes only.
+  var _asConcreteType: Any {
+    switch self.asSyntaxEnum {
+    case .token(let node):
+      return node
+    case .unknown(let node):
+      return node
+% for node in SYNTAX_NODES:
+    case .${node.swift_syntax_kind}(let node):
+      return node
+% end
+    }
+  }
+}
+
 extension SyntaxParser {
   static func verifyNodeDeclarationHash() -> Bool {
     return String(cString: swiftparse_syntax_structure_versioning_identifier()!) ==

Sources/SwiftSyntax/SyntaxBaseNodes.swift.gyb

@@ -7,11 +7,11 @@
 }%
 //// Automatically Generated From SyntaxNodes.swift.gyb.
 //// Do Not Edit Directly!
-//===------------ SyntaxNodes.swift - Syntax Node definitions -------------===//
+//===---------- SyntaxBaseNodes.swift - Syntax Node definitions -----------===//
 //
 // This source file is part of the Swift.org open source project
 //
-// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
+// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
 // Licensed under Apache License v2.0 with Runtime Library Exception
 //
 // See https://swift.org/LICENSE.txt for license information

Sources/SwiftSyntax/SyntaxEnum.swift.gyb

@@ -7,7 +7,7 @@
 }%
 //// Automatically Generated From SyntaxNodes.swift.gyb.
 //// Do Not Edit Directly!
-//===------------ SyntaxNodes.swift - Syntax Node definitions -------------===//
+//===--- SyntaxEnum.swift - Enum for exhaustive Syntax node switching -----===//
 //
 // This source file is part of the Swift.org open source project
 //
@@ -47,21 +47,6 @@ public extension Syntax {
 %   else:
       return .${node.swift_syntax_kind}(${node.name}(self)!)
 %   end
-% end
-    }
-  }
-
-  /// Retrieve the concretely typed node that this Syntax node wraps.
-  /// This property is exposed for testing purposes only.
-  var _asConcreteType: Any {
-    switch self.asSyntaxEnum {
-    case .token(let node):
-      return node
-    case .unknown(let node):
-      return node
-% for node in SYNTAX_NODES:
-    case .${node.swift_syntax_kind}(let node):
-      return node
 % end
     }
   }

Sources/SwiftSyntax/SyntaxTraits.swift.gyb

@@ -7,7 +7,7 @@
 }%
 //// Automatically Generated From SyntaxNodes.swift.gyb.
 //// Do Not Edit Directly!
-//===------------ SyntaxNodes.swift - Syntax Node definitions -------------===//
+//===----------- SyntaxTraits.swift - Traits for syntax nodes -------------===//
 //
 // This source file is part of the Swift.org open source project
 //