api-digester: rename argument -compare-sdk to -generate-migration-script. SR-10489

Author: nkcsgexi

test/api-digester/apinotes-migrator-gen.swift

@@ -4,7 +4,7 @@
 // RUN: %empty-directory(%t.module-cache)
 // RUN: %api-digester -dump-sdk -module APINotesTest -o %t.dump1.json -module-cache-path %t.module-cache %clang-importer-sdk-nosource -swift-version 5 -I %S/Inputs/APINotesLeft
 // RUN: %api-digester -dump-sdk -module APINotesTest -o %t.dump2.json -module-cache-path %t.module-cache %clang-importer-sdk-nosource -swift-version 5 -I %S/Inputs/APINotesRight
-// RUN: %api-digester -compare-sdk --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result -json
+// RUN: %api-digester -generate-migration-script --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result -json
 // RUN: diff -u %S/Outputs/apinotes-migrator-gen.json %t.result
-// RUN: %api-digester -compare-sdk --input-paths %t.dump2.json -input-paths %t.dump1.json -o %t.result -json
+// RUN: %api-digester -generate-migration-script --input-paths %t.dump2.json -input-paths %t.dump1.json -o %t.result -json
 // RUN: diff -u %S/Outputs/apinotes-migrator-gen-revert.json %t.result

test/api-digester/macro-gen-json.swift

@@ -5,5 +5,5 @@
 // RUN: %swift -emit-module -o %t.mod/macrogenright.swiftmodule %S/Inputs/macro-gen-right.swift -parse-as-library
 // RUN: %api-digester -dump-sdk -module macrogenleft -o %t.dump1.json -module-cache-path %t.module-cache -sdk %t.sdk -I %t.mod
 // RUN: %api-digester -dump-sdk -module macrogenright -o %t.dump2.json -module-cache-path %t.module-cache -sdk %t.sdk -I %t.mod
-// RUN: %api-digester -compare-sdk --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result -json
+// RUN: %api-digester -generate-migration-script --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result -json
 // RUN: diff -u %S/Outputs/macro-gen.json %t.result

test/api-digester/macro-gen.swift

@@ -5,5 +5,5 @@
 // RUN: %swift -emit-module -o %t.mod/macrogenright.swiftmodule %S/Inputs/macro-gen-right.swift -parse-as-library
 // RUN: %api-digester -dump-sdk -module macrogenleft -o %t.dump1.json -module-cache-path %t.module-cache -sdk %t.sdk -swift-version 4 -I %t.mod
 // RUN: %api-digester -dump-sdk -module macrogenright -o %t.dump2.json -module-cache-path %t.module-cache -sdk %t.sdk -swift-version 5 -I %t.mod
-// RUN: %api-digester -compare-sdk --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result
+// RUN: %api-digester -generate-migration-script --input-paths %t.dump1.json -input-paths %t.dump2.json -o %t.result
 // RUN: diff -u %S/Outputs/macro-gen.def %t.result

tools/swift-api-digester/swift-api-digester.cpp

@@ -41,7 +41,7 @@ namespace  {
     None,
     DumpSDK,
     DumpSwiftModules,
-    CompareSDKs,
+    MigratorGen,
     DiagnoseSDKs,
     // The following two are for testing purposes
     DeserializeDiffItems,
@@ -141,9 +141,9 @@ Action(llvm::cl::desc("Mode:"), llvm::cl::init(ActionType::None),
           clEnumValN(ActionType::DumpSwiftModules,
                      "dump-swift",
                      "dump swift modules in SDK"),
-          clEnumValN(ActionType::CompareSDKs,
-                     "compare-sdk",
-                     "Compare SDK content in JSON file"),
+          clEnumValN(ActionType::MigratorGen,
+                     "generate-migration-script",
+                     "Compare SDK content in JSON file and generate migration script"),
           clEnumValN(ActionType::DiagnoseSDKs,
                      "diagnose-sdk",
                      "Diagnose SDK content in JSON file"),
@@ -2128,9 +2128,10 @@ static void populateAliasChanges(NodeMap &AliasMap, DiffVector &AllItems,
   }
 }
 
-static int compareSDKs(StringRef LeftPath, StringRef RightPath,
-                       StringRef DiffPath,
-                       llvm::StringSet<> &IgnoredRemoveUsrs, CheckerOptions Opts) {
+static int generateMigrationScript(StringRef LeftPath, StringRef RightPath,
+                                   StringRef DiffPath,
+                                   llvm::StringSet<> &IgnoredRemoveUsrs,
+                                   CheckerOptions Opts) {
   if (!fs::exists(LeftPath)) {
     llvm::errs() << LeftPath << " does not exist\n";
     return 1;
@@ -2395,7 +2396,7 @@ int main(int argc, char *argv[]) {
   case ActionType::DumpSDK:
     return (prepareForDump(argv[0], InitInvok, Modules)) ? 1 :
       dumpSDKContent(InitInvok, Modules, options::OutputFile, Opts);
-  case ActionType::CompareSDKs:
+  case ActionType::MigratorGen:
   case ActionType::DiagnoseSDKs: {
     if (options::SDKJsonPaths.size() != 2) {
       llvm::errs() << "Only two SDK versions can be compared\n";
@@ -2407,9 +2408,10 @@ int main(int argc, char *argv[]) {
       if (readFileLineByLine(options::ProtReqWhiteList, protocolWhitelist))
           return 1;
     }
-    if (options::Action == ActionType::CompareSDKs)
-      return compareSDKs(options::SDKJsonPaths[0], options::SDKJsonPaths[1],
-                         options::OutputFile, IgnoredUsrs, Opts);
+    if (options::Action == ActionType::MigratorGen)
+      return generateMigrationScript(options::SDKJsonPaths[0],
+                                     options::SDKJsonPaths[1],
+                                     options::OutputFile, IgnoredUsrs, Opts);
     else
       return diagnoseModuleChange(options::SDKJsonPaths[0],
                                   options::SDKJsonPaths[1],