[Dependency Scanning] Deprecate/Remove batch scanning capability

include/swift-c/DependencyScan/DependencyScan.h

@@ -24,7 +24,7 @@
 /// The version constants for the SwiftDependencyScan C API.
 /// SWIFTSCAN_VERSION_MINOR should increase when there are API additions.
 /// SWIFTSCAN_VERSION_MAJOR is intended for "major" source/ABI breaking changes.
-#define SWIFTSCAN_VERSION_MAJOR 1
+#define SWIFTSCAN_VERSION_MAJOR 2
 #define SWIFTSCAN_VERSION_MINOR 0
 
 SWIFTSCAN_BEGIN_DECLS
@@ -94,20 +94,20 @@ typedef struct {
   size_t count;
 } swiftscan_diagnostic_set_t;
 
-//=== Batch Scan Input Specification --------------------------------------===//
+//=== Batch Scan Input Specification -------DEPRECATED--------------------===//
 
-/// Opaque container to a container of batch scan entry information.
-typedef struct swiftscan_batch_scan_entry_s *swiftscan_batch_scan_entry_t;
+ /// Opaque container to a container of batch scan entry information.
+ typedef struct swiftscan_batch_scan_entry_s *swiftscan_batch_scan_entry_t;
 
-typedef struct {
-  swiftscan_batch_scan_entry_t *modules;
-  size_t count;
-} swiftscan_batch_scan_input_t;
+ typedef struct {
+   swiftscan_batch_scan_entry_t *modules;
+   size_t count;
+ } swiftscan_batch_scan_input_t;
 
-typedef struct {
-  swiftscan_dependency_graph_t *results;
-  size_t count;
-} swiftscan_batch_scan_result_t;
+ typedef struct {
+   swiftscan_dependency_graph_t *results;
+   size_t count;
+ } swiftscan_batch_scan_result_t;
 
 //=== Scanner Invocation Specification ------------------------------------===//
 
@@ -194,9 +194,10 @@ SWIFTSCAN_PUBLIC swiftscan_string_set_t *
 swiftscan_swift_textual_detail_get_bridging_pch_command_line(
     swiftscan_module_details_t details);
 
+// DEPRECATED
 SWIFTSCAN_PUBLIC swiftscan_string_set_t *
-swiftscan_swift_textual_detail_get_extra_pcm_args(
-    swiftscan_module_details_t details);
+ swiftscan_swift_textual_detail_get_extra_pcm_args(
+     swiftscan_module_details_t details);
 
 SWIFTSCAN_PUBLIC swiftscan_string_ref_t
 swiftscan_swift_textual_detail_get_context_hash(
@@ -283,6 +284,7 @@ swiftscan_clang_detail_get_context_hash(swiftscan_module_details_t details);
 SWIFTSCAN_PUBLIC swiftscan_string_set_t *
 swiftscan_clang_detail_get_command_line(swiftscan_module_details_t details);
 
+// DEPRECATED
 SWIFTSCAN_PUBLIC swiftscan_string_set_t *
 swiftscan_clang_detail_get_captured_pcm_args(swiftscan_module_details_t details);
 
@@ -292,47 +294,39 @@ swiftscan_clang_detail_get_cas_fs_root_id(swiftscan_module_details_t details);
 SWIFTSCAN_PUBLIC swiftscan_string_ref_t
 swiftscan_clang_detail_get_module_cache_key(swiftscan_module_details_t details);
 
-//=== Batch Scan Input Functions ------------------------------------------===//
-
-/// Create an \c swiftscan_batch_scan_input_t instance.
-/// The returned \c swiftscan_batch_scan_input_t is owned by the caller and must be disposed
-/// of using \c swiftscan_batch_scan_input_dispose .
-SWIFTSCAN_PUBLIC swiftscan_batch_scan_input_t *
-swiftscan_batch_scan_input_create();
-
-SWIFTSCAN_PUBLIC void
-swiftscan_batch_scan_input_set_modules(swiftscan_batch_scan_input_t *input,
-                                       int count,
-                                       swiftscan_batch_scan_entry_t *modules);
-
-//=== Batch Scan Entry Functions ------------------------------------------===//
-
-/// Create an \c swiftscan_batch_scan_entry_t instance.
-/// The returned \c swiftscan_batch_scan_entry_t is owned by the caller and must be disposed
-/// of using \c swiftscan_batch_scan_entry_dispose .
-SWIFTSCAN_PUBLIC swiftscan_batch_scan_entry_t
-swiftscan_batch_scan_entry_create();
-
-SWIFTSCAN_PUBLIC void
-swiftscan_batch_scan_entry_set_module_name(swiftscan_batch_scan_entry_t entry,
-                                           const char *name);
-
-SWIFTSCAN_PUBLIC void
-swiftscan_batch_scan_entry_set_arguments(swiftscan_batch_scan_entry_t entry,
-                                         const char *arguments);
-
-SWIFTSCAN_PUBLIC void
-swiftscan_batch_scan_entry_set_is_swift(swiftscan_batch_scan_entry_t entry,
-                                        bool is_swift);
-
-SWIFTSCAN_PUBLIC swiftscan_string_ref_t
-swiftscan_batch_scan_entry_get_module_name(swiftscan_batch_scan_entry_t entry);
-
-SWIFTSCAN_PUBLIC swiftscan_string_ref_t
-swiftscan_batch_scan_entry_get_arguments(swiftscan_batch_scan_entry_t entry);
-
-SWIFTSCAN_PUBLIC bool
-swiftscan_batch_scan_entry_get_is_swift(swiftscan_batch_scan_entry_t entry);
+//=== Batch Scan Input Functions ------DEPRECATED---------------------------===//
+ /// Deprecated
+ SWIFTSCAN_PUBLIC swiftscan_batch_scan_input_t *
+ swiftscan_batch_scan_input_create();
+ /// Deprecated
+ SWIFTSCAN_PUBLIC void
+ swiftscan_batch_scan_input_set_modules(swiftscan_batch_scan_input_t *input,
+                                        int count,
+                                        swiftscan_batch_scan_entry_t *modules);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC swiftscan_batch_scan_entry_t
+ swiftscan_batch_scan_entry_create();
+ /// Deprecated
+ SWIFTSCAN_PUBLIC void
+ swiftscan_batch_scan_entry_set_module_name(swiftscan_batch_scan_entry_t entry,
+                                            const char *name);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC void
+ swiftscan_batch_scan_entry_set_arguments(swiftscan_batch_scan_entry_t entry,
+                                          const char *arguments);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC void
+ swiftscan_batch_scan_entry_set_is_swift(swiftscan_batch_scan_entry_t entry,
+                                         bool is_swift);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC swiftscan_string_ref_t
+ swiftscan_batch_scan_entry_get_module_name(swiftscan_batch_scan_entry_t entry);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC swiftscan_string_ref_t
+ swiftscan_batch_scan_entry_get_arguments(swiftscan_batch_scan_entry_t entry);
+ /// Deprecated
+ SWIFTSCAN_PUBLIC bool
+ swiftscan_batch_scan_entry_get_is_swift(swiftscan_batch_scan_entry_t entry);
 
 //=== Prescan Result Functions --------------------------------------------===//
 
@@ -382,15 +376,16 @@ swiftscan_dependency_graph_dispose(swiftscan_dependency_graph_t result);
 SWIFTSCAN_PUBLIC void
 swiftscan_import_set_dispose(swiftscan_import_set_t result);
 
+/// Deprecated
 SWIFTSCAN_PUBLIC void
 swiftscan_batch_scan_entry_dispose(swiftscan_batch_scan_entry_t entry);
-
+/// Deprecated
 SWIFTSCAN_PUBLIC void
 swiftscan_batch_scan_input_dispose(swiftscan_batch_scan_input_t *input);
-
+/// Deprecated
 SWIFTSCAN_PUBLIC void
 swiftscan_batch_scan_result_dispose(swiftscan_batch_scan_result_t *result);
-
+/// Deprecated
 SWIFTSCAN_PUBLIC void
 swiftscan_scan_invocation_dispose(swiftscan_scan_invocation_t invocation);
 
@@ -427,22 +422,18 @@ SWIFTSCAN_PUBLIC void swiftscan_scanner_dispose(swiftscan_scanner_t);
 SWIFTSCAN_PUBLIC swiftscan_dependency_graph_t swiftscan_dependency_graph_create(
     swiftscan_scanner_t scanner, swiftscan_scan_invocation_t invocation);
 
-/// Invoke the scan for an input batch of modules specified in the
-/// \c swiftscan_batch_scan_input_t argument. The returned
-/// \c swiftscan_batch_scan_result_t is owned by the caller and must be disposed
-/// of using \c swiftscan_batch_scan_result_dispose .
-SWIFTSCAN_PUBLIC swiftscan_batch_scan_result_t *
-swiftscan_batch_scan_result_create(swiftscan_scanner_t scanner,
-                                   swiftscan_batch_scan_input_t *batch_input,
-                                   swiftscan_scan_invocation_t invocation);
-
 /// Invoke the import prescan using arguments specified in the \c
 /// swiftscan_scan_invocation_t argument. The returned \c swiftscan_import_set_t
 /// is owned by the caller and must be disposed of using \c
 /// swiftscan_import_set_dispose .
 SWIFTSCAN_PUBLIC swiftscan_import_set_t swiftscan_import_set_create(
     swiftscan_scanner_t scanner, swiftscan_scan_invocation_t invocation);
 
+/// Deprecated
+SWIFTSCAN_PUBLIC swiftscan_batch_scan_result_t *
+swiftscan_batch_scan_result_create(swiftscan_scanner_t scanner,
+                                   swiftscan_batch_scan_input_t *batch_input,
+                                   swiftscan_scan_invocation_t invocation);
 
 //=== Scanner Diagnostics -------------------------------------------------===//
 /// For the specified \c scanner instance, query all insofar emitted diagnostics

include/swift/AST/DiagnosticsFrontend.def

@@ -354,18 +354,10 @@ ERROR(placeholder_dependency_module_map_corrupted,none,
       "Swift placeholder dependency module map from %0 is malformed",
       (StringRef))
 
-ERROR(batch_scan_input_file_missing,none,
-      "cannot open batch dependencies scan input file from %0",
-      (StringRef))
-
 ERROR(const_extract_protocol_list_input_file_missing,none,
       "cannot open constant extraction protocol list input file from %0",
       (StringRef))
 
-ERROR(batch_scan_input_file_corrupted,none,
-      "batch dependencies scan input file from %0 is malformed",
-      (StringRef))
-
 ERROR(const_extract_protocol_list_input_file_corrupted,none,
       "constant extraction protocol list input file from %0 is malformed",
       (StringRef))

include/swift/AST/ModuleDependencies.h

@@ -229,19 +229,13 @@ class ModuleDependencyInfoStorageBase {
 
 struct CommonSwiftTextualModuleDependencyDetails {
   CommonSwiftTextualModuleDependencyDetails(
-      ArrayRef<StringRef> extraPCMArgs, ArrayRef<StringRef> buildCommandLine,
+      ArrayRef<StringRef> buildCommandLine,
       StringRef CASFileSystemRootID)
-      : extraPCMArgs(extraPCMArgs.begin(), extraPCMArgs.end()),
-        bridgingHeaderFile(std::nullopt),
+      : bridgingHeaderFile(std::nullopt),
         bridgingSourceFiles(), bridgingModuleDependencies(),
         buildCommandLine(buildCommandLine.begin(), buildCommandLine.end()),
         CASFileSystemRootID(CASFileSystemRootID) {}
 
-  /// To build a PCM to be used by this Swift module, we need to append these
-  /// arguments to the generic PCM build arguments reported from the dependency
-  /// graph.
-  const std::vector<std::string> extraPCMArgs;
-
   /// Bridging header file, if there is one.
   std::optional<std::string> bridgingHeaderFile;
 
@@ -299,7 +293,7 @@ class SwiftInterfaceModuleDependenciesStorage
       ArrayRef<ScannerImportStatementInfo> moduleImports,
       ArrayRef<ScannerImportStatementInfo> optionalModuleImports,
       ArrayRef<StringRef> buildCommandLine, ArrayRef<LinkLibrary> linkLibraries,
-      ArrayRef<StringRef> extraPCMArgs, StringRef contextHash, bool isFramework,
+      StringRef contextHash, bool isFramework,
       bool isStatic, StringRef RootID, StringRef moduleCacheKey,
       StringRef userModuleVersion)
       : ModuleDependencyInfoStorageBase(ModuleDependencyKind::SwiftInterface,
@@ -310,7 +304,7 @@ class SwiftInterfaceModuleDependenciesStorage
         compiledModuleCandidates(compiledModuleCandidates.begin(),
                                  compiledModuleCandidates.end()),
         contextHash(contextHash), isFramework(isFramework), isStatic(isStatic),
-        textualModuleDetails(extraPCMArgs, buildCommandLine, RootID),
+        textualModuleDetails(buildCommandLine, RootID),
         userModuleVersion(userModuleVersion) {}
 
   ModuleDependencyInfoStorageBase *clone() const override {
@@ -348,11 +342,10 @@ class SwiftSourceModuleDependenciesStorage
       StringRef RootID, ArrayRef<StringRef> buildCommandLine,
       ArrayRef<ScannerImportStatementInfo> moduleImports,
       ArrayRef<ScannerImportStatementInfo> optionalModuleImports,
-      ArrayRef<StringRef> bridgingHeaderBuildCommandLine,
-      ArrayRef<StringRef> extraPCMArgs)
+      ArrayRef<StringRef> bridgingHeaderBuildCommandLine)
       : ModuleDependencyInfoStorageBase(ModuleDependencyKind::SwiftSource,
                                         moduleImports, optionalModuleImports, {}),
-        textualModuleDetails(extraPCMArgs, buildCommandLine, RootID),
+        textualModuleDetails(buildCommandLine, RootID),
         testableImports(llvm::StringSet<>()),
         bridgingHeaderBuildCommandLine(bridgingHeaderBuildCommandLine.begin(),
                                        bridgingHeaderBuildCommandLine.end()) {}
@@ -476,10 +469,6 @@ class ClangModuleDependencyStorage : public ModuleDependencyInfoStorageBase {
   /// The file dependencies
   const std::vector<std::string> fileDependencies;
 
-  /// The swift-specific PCM arguments captured by this dependencies object
-  /// as found by the scanning action that discovered it
-  const std::vector<std::string> capturedPCMArgs;
-
   /// CASID for the Root of CASFS. Empty if CAS is not used.
   std::string CASFileSystemRootID;
 
@@ -493,7 +482,6 @@ class ClangModuleDependencyStorage : public ModuleDependencyInfoStorageBase {
                                StringRef moduleMapFile, StringRef contextHash,
                                ArrayRef<std::string> buildCommandLine,
                                ArrayRef<std::string> fileDependencies,
-                               ArrayRef<std::string> capturedPCMArgs,
                                ArrayRef<LinkLibrary> linkLibraries,
                                StringRef CASFileSystemRootID,
                                StringRef clangIncludeTreeRoot,
@@ -504,7 +492,6 @@ class ClangModuleDependencyStorage : public ModuleDependencyInfoStorageBase {
         pcmOutputPath(pcmOutputPath), mappedPCMPath(mappedPCMPath),
         moduleMapFile(moduleMapFile), contextHash(contextHash),
         buildCommandLine(buildCommandLine), fileDependencies(fileDependencies),
-        capturedPCMArgs(capturedPCMArgs),
         CASFileSystemRootID(CASFileSystemRootID),
         CASClangIncludeTreeRootID(clangIncludeTreeRoot), IsSystem(IsSystem) {}
 
@@ -588,15 +575,15 @@ class ModuleDependencyInfo {
       ArrayRef<StringRef> compiledCandidates, ArrayRef<StringRef> buildCommands,
       ArrayRef<ScannerImportStatementInfo> moduleImports,
       ArrayRef<ScannerImportStatementInfo> optionalModuleImports,
-      ArrayRef<LinkLibrary> linkLibraries, ArrayRef<StringRef> extraPCMArgs,
+      ArrayRef<LinkLibrary> linkLibraries,
       StringRef contextHash, bool isFramework, bool isStatic,
       StringRef CASFileSystemRootID, StringRef moduleCacheKey,
       StringRef userModuleVersion) {
     return ModuleDependencyInfo(
         std::make_unique<SwiftInterfaceModuleDependenciesStorage>(
             moduleOutputPath, swiftInterfaceFile, compiledCandidates,
             moduleImports, optionalModuleImports,
-            buildCommands, linkLibraries, extraPCMArgs, contextHash,
+            buildCommands, linkLibraries, contextHash,
             isFramework, isStatic, CASFileSystemRootID, moduleCacheKey,
             userModuleVersion));
   }
@@ -624,13 +611,11 @@ class ModuleDependencyInfo {
                        ArrayRef<StringRef> buildCommands,
                        ArrayRef<ScannerImportStatementInfo> moduleImports,
                        ArrayRef<ScannerImportStatementInfo> optionalModuleImports,
-                       ArrayRef<StringRef> bridgingHeaderBuildCommands,
-                       ArrayRef<StringRef> extraPCMArgs) {
+                       ArrayRef<StringRef> bridgingHeaderBuildCommands) {
     return ModuleDependencyInfo(
         std::make_unique<SwiftSourceModuleDependenciesStorage>(
             CASFileSystemRootID, buildCommands, moduleImports,
-            optionalModuleImports, bridgingHeaderBuildCommands,
-            extraPCMArgs));
+            optionalModuleImports, bridgingHeaderBuildCommands));
   }
 
   static ModuleDependencyInfo
@@ -640,7 +625,6 @@ class ModuleDependencyInfo {
              StringRef(), ArrayRef<StringRef>(),
              ArrayRef<ScannerImportStatementInfo>(),
              ArrayRef<ScannerImportStatementInfo>(),
-             ArrayRef<StringRef>(),
              ArrayRef<StringRef>()));
   }
 
@@ -650,12 +634,11 @@ class ModuleDependencyInfo {
       StringRef pcmOutputPath, StringRef mappedPCMPath, StringRef moduleMapFile,
       StringRef contextHash, ArrayRef<std::string> nonPathCommandLine,
       ArrayRef<std::string> fileDependencies,
-      ArrayRef<std::string> capturedPCMArgs,
       ArrayRef<LinkLibrary> linkLibraries, StringRef CASFileSystemRootID,
       StringRef clangIncludeTreeRoot, StringRef moduleCacheKey, bool IsSystem) {
     return ModuleDependencyInfo(std::make_unique<ClangModuleDependencyStorage>(
         pcmOutputPath, mappedPCMPath, moduleMapFile, contextHash,
-        nonPathCommandLine, fileDependencies, capturedPCMArgs, linkLibraries,
+        nonPathCommandLine, fileDependencies, linkLibraries,
         CASFileSystemRootID, clangIncludeTreeRoot, moduleCacheKey, IsSystem));
   }
 

include/swift/AST/ModuleLoader.h

@@ -184,7 +184,6 @@ struct SubCompilerInstanceInfo {
   CompilerInstance* Instance;
   StringRef Hash;
   ArrayRef<StringRef> BuildArguments;
-  ArrayRef<StringRef> ExtraPCMArgs;
 };
 
 /// Abstract interface for a checker of module interfaces and prebuilt modules.
@@ -213,7 +212,6 @@ struct InterfaceSubContextDelegate {
                                           StringRef outputPath,
                                           SourceLoc diagLoc,
     llvm::function_ref<std::error_code(ASTContext&, ModuleDecl*,
-                                       ArrayRef<StringRef>,
                                        ArrayRef<StringRef>, StringRef,
                                        StringRef)> action) = 0;
   virtual std::error_code runInSubCompilerInstance(StringRef moduleName,

include/swift/AST/SearchPathOptions.h

@@ -530,9 +530,6 @@ class SearchPathOptions {
   /// A map of placeholder Swift module dependency information.
   std::string PlaceholderDependencyModuleMap;
 
-  /// A file containing modules we should perform batch scanning.
-  std::string BatchScanInputFilePath;
-
   /// A file containing a list of protocols whose conformances require const value extraction.
   std::string ConstGatherProtocolListFilePath;