Basics: refactor blocklist actions to a def file. NFC

Author: nkcsgexi

include/swift/Basic/BlockList.h

@@ -25,8 +25,8 @@ namespace swift {
 
 enum class BlockListAction: uint8_t {
   Undefined = 0,
-  ShouldUseBinaryModule,
-  ShouldUseTextualModule,
+#define BLOCKLIST_ACTION(NAME) NAME,
+#include "BlockListAction.def"
 };
 
 enum class BlockListKeyKind: uint8_t {

include/swift/Basic/BlockListAction.def

@@ -0,0 +1,25 @@
+//===--- BlockListAction.def - Define all blocklist actions -----*- C++ -*-===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2023 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
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+//
+//  This definition file describes all block list actions for meta-programming
+//  purposes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef BLOCKLIST_ACTION
+#define BLOCKLIST_ACTION(NAME)
+#endif
+
+BLOCKLIST_ACTION(ShouldUseBinaryModule)
+BLOCKLIST_ACTION(ShouldUseTextualModule)
+
+#undef BLOCKLIST_ACTION

lib/Basic/BlockList.cpp

@@ -115,10 +115,8 @@ void swift::BlockListStore::Implementation::addConfigureFilePath(StringRef path)
     for (auto &pair: *dyn_cast<yaml::MappingNode>(N)) {
       std::string key = getScalaString(pair.getKey());
       auto action = llvm::StringSwitch<BlockListAction>(key)
-#define CASE(X) .Case(#X, BlockListAction::X)
-        CASE(ShouldUseBinaryModule)
-        CASE(ShouldUseTextualModule)
-#undef CASE
+#define BLOCKLIST_ACTION(X) .Case(#X, BlockListAction::X)
+#include "swift/Basic/BlockListAction.def"
         .Default(BlockListAction::Undefined);
       if (action == BlockListAction::Undefined)
         continue;