1 files changed, 77 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Interpreter/OptionValueLanguage.cpp b/contrib/llvm-project/lldb/source/Interpreter/OptionValueLanguage.cpp
new file mode 100644
index 000000000000..d935d5e23496
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Interpreter/OptionValueLanguage.cpp
@@ -0,0 +1,77 @@
+//===-- OptionValueLanguage.cpp ---------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Interpreter/OptionValueLanguage.h"
+
+#include "lldb/DataFormatters/FormatManager.h"
+#include "lldb/Target/Language.h"
+#include "lldb/Utility/Args.h"
+#include "lldb/Utility/Stream.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx,
+                                    Stream &strm, uint32_t dump_mask) {
+  if (dump_mask & eDumpOptionType)
+    strm.Printf("(%s)", GetTypeAsCString());
+  if (dump_mask & eDumpOptionValue) {
+    if (dump_mask & eDumpOptionType)
+      strm.PutCString(" = ");
+    if (m_current_value != eLanguageTypeUnknown)
+      strm.PutCString(Language::GetNameForLanguageType(m_current_value));
+  }
+}
+
+Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
+                                               VarSetOperationType op) {
+  Status error;
+  switch (op) {
+  case eVarSetOperationClear:
+    Clear();
+    break;
+
+  case eVarSetOperationReplace:
+  case eVarSetOperationAssign: {
+    ConstString lang_name(value.trim());
+    std::set<lldb::LanguageType> languages_for_types;
+    std::set<lldb::LanguageType> languages_for_expressions;
+    Language::GetLanguagesSupportingTypeSystems(languages_for_types,
+                                                languages_for_expressions);
+
+    LanguageType new_type =
+        Language::GetLanguageTypeFromString(lang_name.GetStringRef());
+    if (new_type && languages_for_types.count(new_type)) {
+      m_value_was_set = true;
+      m_current_value = new_type;
+    } else {
+      StreamString error_strm;
+      error_strm.Printf("invalid language type '%s', ", value.str().c_str());
+      error_strm.Printf("valid values are:\n");
+      for (lldb::LanguageType language : languages_for_types) {
+        error_strm.Printf("%s%s%s", "    ",
+                          Language::GetNameForLanguageType(language), "\n");
+      }
+      error.SetErrorString(error_strm.GetString());
+    }
+  } break;
+
+  case eVarSetOperationInsertBefore:
+  case eVarSetOperationInsertAfter:
+  case eVarSetOperationRemove:
+  case eVarSetOperationAppend:
+  case eVarSetOperationInvalid:
+    error = OptionValue::SetValueFromString(value, op);
+    break;
+  }
+  return error;
+}
+
+lldb::OptionValueSP OptionValueLanguage::DeepCopy() const {
+  return OptionValueSP(new OptionValueLanguage(*this));
+}