1 //===-- OptionValueLanguage.cpp ---------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Interpreter/OptionValueLanguage.h" 10 11 #include "lldb/DataFormatters/FormatManager.h" 12 #include "lldb/Target/Language.h" 13 #include "lldb/Utility/Args.h" 14 #include "lldb/Utility/Stream.h" 15 16 using namespace lldb; 17 using namespace lldb_private; 18 19 void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx, 20 Stream &strm, uint32_t dump_mask) { 21 if (dump_mask & eDumpOptionType) 22 strm.Printf("(%s)", GetTypeAsCString()); 23 if (dump_mask & eDumpOptionValue) { 24 if (dump_mask & eDumpOptionType) 25 strm.PutCString(" = "); 26 if (m_current_value != eLanguageTypeUnknown) 27 strm.PutCString(Language::GetNameForLanguageType(m_current_value)); 28 } 29 } 30 31 Status OptionValueLanguage::SetValueFromString(llvm::StringRef value, 32 VarSetOperationType op) { 33 Status error; 34 switch (op) { 35 case eVarSetOperationClear: 36 Clear(); 37 break; 38 39 case eVarSetOperationReplace: 40 case eVarSetOperationAssign: { 41 ConstString lang_name(value.trim()); 42 std::set<lldb::LanguageType> languages_for_types; 43 std::set<lldb::LanguageType> languages_for_expressions; 44 Language::GetLanguagesSupportingTypeSystems(languages_for_types, 45 languages_for_expressions); 46 47 LanguageType new_type = 48 Language::GetLanguageTypeFromString(lang_name.GetStringRef()); 49 if (new_type && languages_for_types.count(new_type)) { 50 m_value_was_set = true; 51 m_current_value = new_type; 52 } else { 53 StreamString error_strm; 54 error_strm.Printf("invalid language type '%s', ", value.str().c_str()); 55 error_strm.Printf("valid values are:\n"); 56 for (lldb::LanguageType language : languages_for_types) { 57 error_strm.Printf("%s%s%s", " ", 58 Language::GetNameForLanguageType(language), "\n"); 59 } 60 error.SetErrorString(error_strm.GetString()); 61 } 62 } break; 63 64 case eVarSetOperationInsertBefore: 65 case eVarSetOperationInsertAfter: 66 case eVarSetOperationRemove: 67 case eVarSetOperationAppend: 68 case eVarSetOperationInvalid: 69 error = OptionValue::SetValueFromString(value, op); 70 break; 71 } 72 return error; 73 } 74 75 lldb::OptionValueSP OptionValueLanguage::DeepCopy() const { 76 return OptionValueSP(new OptionValueLanguage(*this)); 77 } 78