[NFC][interop] rename the PrintAsObjC library to PrintAsClang

We're starting to support emission of C++ header interfaces, so a language-agnostic name makes more sense

CODE_OWNERS.TXT

@@ -75,7 +75,7 @@ D: Debug info
 N: Jordan Rose
 E: jordan_rose@apple.com
 G: jrose-apple
-D: ClangImporter, Serialization, PrintAsObjC, Driver, Frontend
+D: ClangImporter, Serialization, PrintAsClang, Driver, Frontend
 
 N: Daniel Steffen
 E: dsteffen@apple.com

docs/README.md

@@ -102,7 +102,7 @@ documentation, please create a thread on the Swift forums under the
 - [DependencyAnalysis.md](/docs/DependencyAnalysis.md):
   Describes different kinds of dependencies across files in the same module,
   important for understanding incremental builds.
-- C and ObjC interoperability: Clang Importer and PrintAsObjC
+- C and ObjC interoperability: Clang Importer and PrintAsClang
   - [CToSwiftNameTranslation.md](/docs/CToSwiftNameTranslation.md):
     Describes how C and ObjC entities are imported into Swift
     by the Clang Importer.

include/swift/AST/TypeNodes.def

@@ -33,7 +33,7 @@
 ///   process does not necessarily converge to the canonical type, however.
 ///   The default behavior is TYPE(id, parent).
 //
-// If you add a new sugared type, be sure to test it in PrintAsObjC!
+// If you add a new sugared type, be sure to test it in PrintAsClang!
 
 /// UNCHECKED_TYPE(id, parent)
 ///   This type is not present in valid, type-checked programs.

include/swift/PrintAsClang/PrintAsClang.h

@@ -1,4 +1,4 @@
-//===--- PrintAsObjC.h - Emit a header file for a Swift AST -----*- C++ -*-===//
+//===--- PrintAsClang.h - Emit a header file for a Swift AST ----*- C++ -*-===//
 //
 // This source file is part of the Swift.org open source project
 //
@@ -10,8 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SWIFT_PRINTASOBJC_H
-#define SWIFT_PRINTASOBJC_H
+#ifndef SWIFT_PRINTASCLANG_H
+#define SWIFT_PRINTASCLANG_H
 
 #include "swift/Basic/LLVM.h"
 #include "swift/AST/AttrKind.h"

lib/AST/SwiftNameTranslation.cpp

@@ -64,7 +64,7 @@ getErrorDomainStringForObjC(const EnumDecl *ED) {
   for (const NominalTypeDecl * D = ED;
        D != nullptr;
        D = D->getDeclContext()->getSelfNominalTypeDecl()) {
-    // We don't currently PrintAsObjC any types whose parents are private or
+    // We don't currently PrintAsClang any types whose parents are private or
     // fileprivate.
     assert(D->getFormalAccess() >= AccessLevel::Internal &&
             "We don't currently append private discriminators");

lib/AST/Type.cpp

@@ -2630,7 +2630,7 @@ getObjCObjectRepresentable(Type type, const DeclContext *dc) {
 ///
 /// This function determines when and how a particular type is mapped
 /// into a foreign language. Any changes to the logic here also need
-/// to be reflected in PrintAsObjC, so that the Swift type will be
+/// to be reflected in PrintAsClang, so that the Swift type will be
 /// properly printed for (Objective-)C and in SIL's bridging logic.
 static std::pair<ForeignRepresentableKind, ProtocolConformance *>
 getForeignRepresentable(Type type, ForeignLanguage language,

lib/CMakeLists.txt

@@ -35,7 +35,7 @@ add_subdirectory(Markup)
 add_subdirectory(Migrator)
 add_subdirectory(Option)
 add_subdirectory(Parse)
-add_subdirectory(PrintAsObjC)
+add_subdirectory(PrintAsClang)
 add_subdirectory(RemoteAST)
 add_subdirectory(Sema)
 add_subdirectory(Serialization)

lib/ClangImporter/ImportDecl.cpp

@@ -3093,7 +3093,7 @@ namespace {
         if (!result)
           return nullptr;
 
-        // HACK: Make sure PrintAsObjC always omits the 'enum' tag for
+        // HACK: Make sure PrintAsClang always omits the 'enum' tag for
         // option set enums.
         Impl.DeclsWithSuperfluousTypedefs.insert(decl);
         break;

lib/FrontendTool/CMakeLists.txt

@@ -21,7 +21,7 @@ target_link_libraries(swiftFrontendTool PRIVATE
     swiftIndex
     swiftIRGen
     swiftOption
-    swiftPrintAsObjC
+    swiftPrintAsClang
     swiftSerialization
     swiftSIL
     swiftSILGen

lib/FrontendTool/FrontendTool.cpp

@@ -62,7 +62,7 @@
 #include "swift/Option/Options.h"
 #include "swift/Migrator/FixitFilter.h"
 #include "swift/Migrator/Migrator.h"
-#include "swift/PrintAsObjC/PrintAsObjC.h"
+#include "swift/PrintAsClang/PrintAsClang.h"
 #include "swift/Serialization/SerializationOptions.h"
 #include "swift/Serialization/SerializedModuleLoader.h"
 #include "swift/SILOptimizer/PassManager/Passes.h"

lib/PrintAsClang/CMakeLists.txt

@@ -0,0 +1,12 @@
+
+add_swift_host_library(swiftPrintAsClang STATIC
+  DeclAndTypePrinter.cpp
+  ModuleContentsWriter.cpp
+  PrintAsClang.cpp)
+target_link_libraries(swiftPrintAsClang PRIVATE
+  swiftAST
+  swiftClangImporter
+  swiftFrontend
+  swiftIDE)
+
+set_swift_llvm_is_available(swiftPrintAsClang)

lib/PrintAsClang/DeclAndTypePrinter.h

@@ -10,8 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SWIFT_PRINTASOBJC_DECLANDTYPEPRINTER_H
-#define SWIFT_PRINTASOBJC_DECLANDTYPEPRINTER_H
+#ifndef SWIFT_PRINTASCLANG_DECLANDTYPEPRINTER_H
+#define SWIFT_PRINTASCLANG_DECLANDTYPEPRINTER_H
 
 #include "swift/AST/Type.h"
 // for OptionalTypeKind

lib/PrintAsClang/ModuleContentsWriter.h

@@ -10,8 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SWIFT_PRINTASOBJC_MODULECONTENTSWRITER_H
-#define SWIFT_PRINTASOBJC_MODULECONTENTSWRITER_H
+#ifndef SWIFT_PRINTASCLANG_MODULECONTENTSWRITER_H
+#define SWIFT_PRINTASCLANG_MODULECONTENTSWRITER_H
 
 #include "swift/AST/AttrKind.h"
 #include "swift/Basic/LLVM.h"

lib/PrintAsClang/PrintAsClang.cpp

@@ -1,4 +1,4 @@
-//===--- PrintAsObjC.cpp - Emit a header file for a Swift AST -------------===//
+//===--- PrintAsClang.cpp - Emit a header file for a Swift AST ------------===//
 //
 // This source file is part of the Swift.org open source project
 //
@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "swift/PrintAsObjC/PrintAsObjC.h"
+#include "swift/PrintAsClang/PrintAsClang.h"
 
 #include "ModuleContentsWriter.h"
 

lib/PrintAsObjC/CMakeLists.txt

@@ -1,12 +0,0 @@
-
-add_swift_host_library(swiftPrintAsObjC STATIC
-  DeclAndTypePrinter.cpp
-  ModuleContentsWriter.cpp
-  PrintAsObjC.cpp)
-target_link_libraries(swiftPrintAsObjC PRIVATE
-  swiftAST
-  swiftClangImporter
-  swiftFrontend
-  swiftIDE)
-
-set_swift_llvm_is_available(swiftPrintAsObjC)

lib/Sema/DerivedConformanceError.cpp

@@ -119,7 +119,7 @@ ValueDecl *DerivedConformance::deriveBridgedNSError(ValueDecl *requirement) {
 
     auto scope = Nominal->getFormalAccessScope(Nominal->getModuleScopeContext());
     if (scope.isPublic() || scope.isInternal())
-      // PrintAsObjC may print this domain, so we should make sure we use the
+      // PrintAsClang may print this domain, so we should make sure we use the
       // same string it will.
       synthesizer = deriveBodyBridgedNSError_printAsObjCEnum_nsErrorDomain;
 

lib/Sema/TypeCheckDeclObjC.cpp

@@ -299,7 +299,7 @@ static void diagnoseFunctionParamNotRepresentable(
 static bool isParamListRepresentableInObjC(const AbstractFunctionDecl *AFD,
                                            const ParameterList *PL,
                                            ObjCReason Reason) {
-  // If you change this function, you must add or modify a test in PrintAsObjC.
+  // If you change this function, you must add or modify a test in PrintAsClang.
   ASTContext &ctx = AFD->getASTContext();
   auto &diags = ctx.Diags;
   auto behavior = behaviorLimitForObjCReason(Reason, ctx);
@@ -598,7 +598,7 @@ bool swift::isRepresentableInObjC(
   asyncConvention = None;
   errorConvention = None;
 
-  // If you change this function, you must add or modify a test in PrintAsObjC.
+  // If you change this function, you must add or modify a test in PrintAsClang.
   ASTContext &ctx = AFD->getASTContext();
   DiagnosticStateRAII diagState(ctx.Diags);
 
@@ -1025,7 +1025,7 @@ bool swift::isRepresentableInObjC(
 }
 
 bool swift::isRepresentableInObjC(const VarDecl *VD, ObjCReason Reason) {
-  // If you change this function, you must add or modify a test in PrintAsObjC.
+  // If you change this function, you must add or modify a test in PrintAsClang.
   
   if (VD->isInvalid())
     return false;
@@ -1085,7 +1085,7 @@ bool swift::isRepresentableInObjC(const VarDecl *VD, ObjCReason Reason) {
 }
 
 bool swift::isRepresentableInObjC(const SubscriptDecl *SD, ObjCReason Reason) {
-  // If you change this function, you must add or modify a test in PrintAsObjC.
+  // If you change this function, you must add or modify a test in PrintAsClang.
   ASTContext &ctx = SD->getASTContext();
   DiagnosticStateRAII diagState(ctx.Diags);
   auto behavior = behaviorLimitForObjCReason(Reason, ctx);