Factor out GetSDKPathFromDebugInfo() (NFC)

Author: adrian-prantl

lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp

@@ -1614,6 +1614,35 @@ static llvm::Optional<StringRef> GetDSYMBundle(Module &module) {
   return dsym;
 }
 
+/// Force parsing of the CUs to extract the SDK info.
+static std::string GetSDKPathFromDebugInfo(std::string m_description,
+                                           Module &module) {
+  XcodeSDK sdk;
+  bool found_public_sdk = false;
+  bool found_internal_sdk = false;
+  if (SymbolFile *sym_file = module.GetSymbolFile())
+    for (unsigned i = 0; i < sym_file->GetNumCompileUnits(); ++i)
+      if (auto cu_sp = sym_file->GetCompileUnitAtIndex(i))
+        if (cu_sp->GetLanguage() == lldb::eLanguageTypeSwift) {
+          auto cu_sdk = sym_file->ParseXcodeSDK(*cu_sp);
+          sdk.Merge(cu_sdk);
+          bool is_internal_sdk = cu_sdk.IsAppleInternalSDK();
+          found_public_sdk |= !is_internal_sdk;
+          found_internal_sdk |= is_internal_sdk;
+        }
+
+  if (found_public_sdk && found_internal_sdk)
+    HEALTH_LOG_PRINTF("Unsupported mixing of public and internal SDKs in "
+                      "'%s'. Mixed use of SDKs indicates use of different "
+                      "toolchains, which is not supported.",
+                      module.GetFileSpec().GetFilename().GetCString());
+
+  std::string sdk_path = HostInfo::GetXcodeSDKPath(sdk).str();
+  LOG_PRINTF(LIBLLDB_LOG_TYPES, "Host SDK path for sdk %s is %s.",
+             sdk.GetString().str().c_str(), sdk_path.c_str());
+  return sdk_path;
+}
+
 /// Detect whether a Swift module was "imported" by DWARFImporter.
 /// All this *really* means is that it couldn't be loaded through any
 /// other mechanism.
@@ -1759,30 +1788,7 @@ SwiftASTContext::CreateInstance(lldb::LanguageType language, Module &module,
         LOG_PRINTF(LIBLLDB_LOG_TYPES, "Serialized SDK path is %s.",
                    serialized_sdk_path.str().c_str());
 
-      // Force parsing of the CUs to extract the SDK info.
-      XcodeSDK sdk;
-      bool found_public_sdk = false;
-      bool found_internal_sdk = false;
-      if (SymbolFile *sym_file = module.GetSymbolFile())
-        for (unsigned i = 0; i < sym_file->GetNumCompileUnits(); ++i)
-          if (auto cu_sp = sym_file->GetCompileUnitAtIndex(i))
-            if (cu_sp->GetLanguage() == lldb::eLanguageTypeSwift) {
-              auto cu_sdk = sym_file->ParseXcodeSDK(*cu_sp);
-              sdk.Merge(cu_sdk);
-              bool is_internal_sdk = cu_sdk.IsAppleInternalSDK();
-              found_public_sdk |= !is_internal_sdk;
-              found_internal_sdk |= is_internal_sdk;
-            }
-
-      if (found_public_sdk && found_internal_sdk)
-        HEALTH_LOG_PRINTF("Unsupported mixing of public and internal SDKs in "
-                          "'%s'. Mixed use of SDKs indicates use of different "
-                          "toolchains, which is not supported.",
-                          module.GetFileSpec().GetFilename().GetCString());
-
-      std::string sdk_path = HostInfo::GetXcodeSDKPath(sdk).str();
-      LOG_PRINTF(LIBLLDB_LOG_TYPES, "Host SDK path for sdk %s is %s.",
-                 sdk.GetString().str().c_str(), sdk_path.c_str());
+      std::string sdk_path = GetSDKPathFromDebugInfo(m_description, module);
       if (FileSystem::Instance().Exists(sdk_path)) {
         // Note that this is not final. InitializeSearchPathOptions()
         // will set the SDK path based on the triple if this fails.