DependenciesScanner: report user module version for textual Swift interfaces

include/swift-c/DependencyScan/DependencyScan.h

@@ -217,6 +217,10 @@ SWIFTSCAN_PUBLIC swiftscan_string_ref_t
 swiftscan_swift_textual_detail_get_module_cache_key(
     swiftscan_module_details_t details);
 
+SWIFTSCAN_PUBLIC swiftscan_string_ref_t
+swiftscan_swift_textual_detail_get_user_module_version(
+    swiftscan_module_details_t details);
+
 //=== Swift Binary Module Details query APIs ------------------------------===//
 
 SWIFTSCAN_PUBLIC swiftscan_string_ref_t

include/swift/AST/ModuleDependencies.h

@@ -294,12 +294,16 @@ public:
   /// Details common to Swift textual (interface or source) modules
   CommonSwiftTextualModuleDependencyDetails textualModuleDetails;
 
+  /// The user module version of this textual module interface.
+  const std::string userModuleVersion;
+
   SwiftInterfaceModuleDependenciesStorage(
       StringRef moduleOutputPath, StringRef swiftInterfaceFile,
       ArrayRef<StringRef> compiledModuleCandidates,
       ArrayRef<StringRef> buildCommandLine, ArrayRef<LinkLibrary> linkLibraries,
       ArrayRef<StringRef> extraPCMArgs, StringRef contextHash, bool isFramework,
-      bool isStatic, StringRef RootID, StringRef moduleCacheKey)
+      bool isStatic, StringRef RootID, StringRef moduleCacheKey,
+      StringRef userModuleVersion)
       : ModuleDependencyInfoStorageBase(ModuleDependencyKind::SwiftInterface,
                                         linkLibraries, moduleCacheKey),
         moduleOutputPath(moduleOutputPath),
@@ -307,7 +311,8 @@ public:
         compiledModuleCandidates(compiledModuleCandidates.begin(),
                                  compiledModuleCandidates.end()),
         contextHash(contextHash), isFramework(isFramework), isStatic(isStatic),
-        textualModuleDetails(extraPCMArgs, buildCommandLine, RootID) {}
+        textualModuleDetails(extraPCMArgs, buildCommandLine, RootID),
+        userModuleVersion(userModuleVersion) {}
 
   ModuleDependencyInfoStorageBase *clone() const override {
     return new SwiftInterfaceModuleDependenciesStorage(*this);
@@ -592,12 +597,14 @@ public:
       ArrayRef<StringRef> compiledCandidates, ArrayRef<StringRef> buildCommands,
       ArrayRef<LinkLibrary> linkLibraries, ArrayRef<StringRef> extraPCMArgs,
       StringRef contextHash, bool isFramework, bool isStatic,
-      StringRef CASFileSystemRootID, StringRef moduleCacheKey) {
+      StringRef CASFileSystemRootID, StringRef moduleCacheKey,
+      StringRef userModuleVersion) {
     return ModuleDependencyInfo(
         std::make_unique<SwiftInterfaceModuleDependenciesStorage>(
             moduleOutputPath, swiftInterfaceFile, compiledCandidates,
             buildCommands, linkLibraries, extraPCMArgs, contextHash,
-            isFramework, isStatic, CASFileSystemRootID, moduleCacheKey));
+            isFramework, isStatic, CASFileSystemRootID, moduleCacheKey,
+            userModuleVersion));
   }
 
   /// Describe the module dependencies for a serialized or parsed Swift module.

include/swift/AST/ModuleLoader.h

@@ -214,7 +214,8 @@ struct InterfaceSubContextDelegate {
                                           SourceLoc diagLoc,
     llvm::function_ref<std::error_code(ASTContext&, ModuleDecl*,
                                        ArrayRef<StringRef>,
-                                       ArrayRef<StringRef>, StringRef)> action) = 0;
+                                       ArrayRef<StringRef>, StringRef,
+                                       StringRef)> action) = 0;
   virtual std::error_code runInSubCompilerInstance(StringRef moduleName,
                                                    StringRef interfacePath,
                                                    StringRef sdkPath,

include/swift/DependencyScan/DependencyScanImpl.h

@@ -132,6 +132,9 @@ typedef struct {
 
   /// Macro dependecies.
   swiftscan_macro_dependency_set_t *macro_dependencies;
+
+  /// User module version
+  swiftscan_string_ref_t user_module_version;
 } swiftscan_swift_textual_details_t;
 
 /// Swift modules with only a binary module file.

include/swift/DependencyScan/SerializedModuleDependencyCacheFormat.h

@@ -150,7 +150,8 @@ using SwiftInterfaceModuleDetailsLayout =
                    DependencyIDArrayIDField,            // swiftOverlayDependencies
                    IdentifierIDField,                   // CASFileSystemRootID
                    IdentifierIDField,                   // bridgingHeaderIncludeTree
-                   IdentifierIDField                    // moduleCacheKey
+                   IdentifierIDField,                   // moduleCacheKey
+                   IdentifierIDField                    // UserModuleVersion
                    >;
 
 using SwiftSourceModuleDetailsLayout =

include/swift/Frontend/ModuleInterfaceLoader.h

@@ -688,7 +688,7 @@ public:
                                   SourceLoc diagLoc,
     llvm::function_ref<std::error_code(ASTContext&, ModuleDecl*,
                                        ArrayRef<StringRef>, ArrayRef<StringRef>,
-                                       StringRef)> action) override;
+                                       StringRef, StringRef)> action) override;
   std::error_code runInSubCompilerInstance(StringRef moduleName,
                                            StringRef interfacePath,
                                            StringRef sdkPath,

lib/DependencyScan/DependencyScanJSON.cpp

@@ -456,6 +456,9 @@ void writeJSON(llvm::raw_ostream &out,
                              swiftTextualDeps->module_cache_key, 5,
                              /*trailingComma=*/true);
       }
+      writeJSONSingleField(out, "userModuleVersion",
+                           swiftTextualDeps->user_module_version, 5,
+                           /*trailingComma=*/true);
       writeMacroDependencies(out, swiftTextualDeps->macro_dependencies, 5,
                              /*trailingComma=*/true);
       writeJSONSingleField(out, "isFramework", swiftTextualDeps->is_framework,

lib/DependencyScan/ModuleDependencyCacheSerialization.cpp

@@ -255,14 +255,15 @@ bool ModuleDependenciesCacheDeserializer::readGraph(SwiftDependencyScanningServi
           extraPCMArgsArrayID, contextHashID, isFramework, isStatic, bridgingHeaderFileID,
           sourceFilesArrayID, bridgingSourceFilesArrayID,
           bridgingModuleDependenciesArrayID, overlayDependencyIDArrayID,
-          CASFileSystemRootID, bridgingHeaderIncludeTreeID, moduleCacheKeyID;
+          CASFileSystemRootID, bridgingHeaderIncludeTreeID, moduleCacheKeyID,
+          userModuleVersionID;
       SwiftInterfaceModuleDetailsLayout::readRecord(
           Scratch, outputPathFileID, interfaceFileID,
           compiledModuleCandidatesArrayID, buildCommandLineArrayID,
           extraPCMArgsArrayID, contextHashID, isFramework, isStatic, bridgingHeaderFileID,
           sourceFilesArrayID, bridgingSourceFilesArrayID,
           bridgingModuleDependenciesArrayID, overlayDependencyIDArrayID,
-          CASFileSystemRootID, bridgingHeaderIncludeTreeID, moduleCacheKeyID);
+          CASFileSystemRootID, bridgingHeaderIncludeTreeID, moduleCacheKeyID, userModuleVersionID);
 
       auto outputModulePath = getIdentifier(outputPathFileID);
       if (!outputModulePath)
@@ -304,13 +305,17 @@ bool ModuleDependenciesCacheDeserializer::readGraph(SwiftDependencyScanningServi
       auto moduleCacheKey = getIdentifier(moduleCacheKeyID);
       if (!moduleCacheKeyID)
         llvm::report_fatal_error("Bad moduleCacheKey");
+      auto userModuleVersion = getIdentifier(userModuleVersionID);
+      if (!userModuleVersion)
+        llvm::report_fatal_error("Bad userModuleVersion");
 
       // TODO: LinkLibraries, MacroDependencies
       // Form the dependencies storage object
       auto moduleDep = ModuleDependencyInfo::forSwiftInterfaceModule(
           outputModulePath.value(), optionalSwiftInterfaceFile.value(),
           compiledCandidatesRefs, buildCommandRefs, {}, extraPCMRefs,
-          *contextHash, isFramework, isStatic, *rootFileSystemID, *moduleCacheKey);
+          *contextHash, isFramework, isStatic, *rootFileSystemID, *moduleCacheKey,
+          *userModuleVersion);
 
       // Add imports of this module
       for (const auto &moduleName : currentModuleImports)
@@ -1007,7 +1012,8 @@ void ModuleDependenciesCacheSerializer::writeModuleInfo(
         getIdentifier(swiftTextDeps->textualModuleDetails.CASFileSystemRootID),
         getIdentifier(swiftTextDeps->textualModuleDetails
                           .CASBridgingHeaderIncludeTreeRootID),
-        getIdentifier(swiftTextDeps->moduleCacheKey));
+        getIdentifier(swiftTextDeps->moduleCacheKey),
+        getIdentifier(swiftTextDeps->userModuleVersion));
     break;
   }
   case swift::ModuleDependencyKind::SwiftSource: {

lib/DependencyScan/ScanDependencies.cpp

@@ -701,7 +701,8 @@ generateFullDependencyGraph(const CompilerInstance &instance,
                              .CASBridgingHeaderIncludeTreeRootID.c_str()),
             create_clone(swiftTextualDeps->moduleCacheKey.c_str()),
             createMacroDependencySet(
-                swiftTextualDeps->textualModuleDetails.macroDependencies)};
+                swiftTextualDeps->textualModuleDetails.macroDependencies),
+            create_clone(swiftTextualDeps->userModuleVersion.c_str())};
       } else if (swiftSourceDeps) {
         swiftscan_string_ref_t moduleInterfacePath = create_null();
         swiftscan_string_ref_t bridgingHeaderPath =

lib/Frontend/ModuleInterfaceLoader.cpp

@@ -2135,15 +2135,18 @@ InterfaceSubContextDelegateImpl::runInSubContext(StringRef moduleName,
                                                  StringRef outputPath,
                                                  SourceLoc diagLoc,
     llvm::function_ref<std::error_code(ASTContext&, ModuleDecl*, ArrayRef<StringRef>,
-                            ArrayRef<StringRef>, StringRef)> action) {
+                          ArrayRef<StringRef>, StringRef, StringRef)> action) {
   return runInSubCompilerInstance(moduleName, interfacePath, sdkPath, outputPath,
                                   diagLoc, /*silenceErrors=*/false,
                                   [&](SubCompilerInstanceInfo &info){
+    std::string UserModuleVer = info.Instance->getInvocation().getFrontendOptions()
+      .UserModuleVersion.getAsString();
     return action(info.Instance->getASTContext(),
                   info.Instance->getMainModule(),
                   info.BuildArguments,
                   info.ExtraPCMArgs,
-                  info.Hash);
+                  info.Hash,
+                  UserModuleVer);
   });
 }
 

lib/Serialization/ScanningLoaders.cpp

@@ -154,7 +154,7 @@ SwiftModuleScanner::scanInterfaceFile(Twine moduleInterfacePath,
       realModuleName.str(), moduleInterfacePath.str(), sdkPath,
       StringRef(), SourceLoc(),
       [&](ASTContext &Ctx, ModuleDecl *mainMod, ArrayRef<StringRef> BaseArgs,
-          ArrayRef<StringRef> PCMArgs, StringRef Hash) {
+          ArrayRef<StringRef> PCMArgs, StringRef Hash, StringRef UserModVer) {
         assert(mainMod);
         std::string InPath = moduleInterfacePath.str();
         auto compiledCandidates =
@@ -247,7 +247,7 @@ SwiftModuleScanner::scanInterfaceFile(Twine moduleInterfacePath,
         Result = ModuleDependencyInfo::forSwiftInterfaceModule(
             outputPathBase.str().str(), InPath, compiledCandidatesRefs,
             ArgsRefs, linkLibraries, PCMArgs, Hash, isFramework, isStatic, {},
-            /*module-cache-key*/ "");
+            /*module-cache-key*/ "", UserModVer);
 
         if (Ctx.CASOpts.EnableCaching) {
           std::vector<std::string> clangDependencyFiles;

test/ScanDependencies/scan_return_module_version_textual_interface.swift

@@ -4,6 +4,8 @@
 // RUN: %empty-directory(%t/DependencyModules)
 
 // Emit a textual module dependency
+// RUN: %target-swift-frontend -emit-module -emit-module-interface-path %t/DependencyModules/TextualFoo.swiftinterface -module-cache-path %t/clang-module-cache -module-name TextualFoo %s -D TEXTUAL_FOO -user-module-version 12.3.4
+
 // RUN: %target-swift-frontend -emit-module -emit-module-path %t/DependencyModules/Foo.swiftmodule -module-cache-path %t/clang-module-cache -module-name Foo %s -D FOO -user-module-version 42.3.3
 
 // RUN: %target-swift-frontend -scan-dependencies -module-cache-path %t/clang-module-cache %s -o %t/deps.json -I %t/DependencyModules/ -module-name main
@@ -15,9 +17,14 @@
 
 public func foo() {}
 
+#elseif TEXTUAL_FOO
+
+
 #else
 import Foo
+import TextualFoo
 
 #endif
 
+// CHECK:  "userModuleVersion": "12.3.4"
 // CHECK:  "userModuleVersion": "42.3.3.0"

tools/libSwiftScan/libSwiftScan.cpp

@@ -74,6 +74,8 @@ void swiftscan_dependency_info_details_dispose(
         details_impl->swift_textual_details.module_cache_key);
     swiftscan_macro_dependency_dispose(
         details_impl->swift_textual_details.macro_dependencies);
+    swiftscan_string_dispose(
+        details_impl->swift_textual_details.user_module_version);
     break;
   case SWIFTSCAN_DEPENDENCY_INFO_SWIFT_BINARY:
     swiftscan_string_dispose(
@@ -393,6 +395,11 @@ swiftscan_string_ref_t swiftscan_swift_textual_detail_get_module_cache_key(
   return details->swift_textual_details.module_cache_key;
 }
 
+swiftscan_string_ref_t swiftscan_swift_textual_detail_get_user_module_version(
+    swiftscan_module_details_t details) {
+  return details->swift_textual_details.user_module_version;
+}
+
 //=== Swift Binary Module Details query APIs ------------------------------===//
 
 swiftscan_string_ref_t swiftscan_swift_binary_detail_get_compiled_module_path(

tools/libSwiftScan/libSwiftScan.exports

@@ -24,6 +24,7 @@ swiftscan_swift_textual_detail_get_is_framework
 swiftscan_swift_textual_detail_get_swift_overlay_dependencies
 swiftscan_swift_textual_detail_get_cas_fs_root_id
 swiftscan_swift_textual_detail_get_module_cache_key
+swiftscan_swift_textual_detail_get_user_module_version
 swiftscan_swift_binary_detail_get_compiled_module_path
 swiftscan_swift_binary_detail_get_module_doc_path
 swiftscan_swift_binary_detail_get_module_source_info_path