1 //===-- OptionValueLanguage.cpp ---------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Interpreter/OptionValueLanguage.h"
11 
12 // C Includes
13 // C++ Includes
14 // Other libraries and framework includes
15 // Project includes
16 #include "lldb/DataFormatters/FormatManager.h"
17 #include "lldb/Target/Language.h"
18 #include "lldb/Utility/Args.h"
19 #include "lldb/Utility/Stream.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx,
25                                     Stream &strm, uint32_t dump_mask) {
26   if (dump_mask & eDumpOptionType)
27     strm.Printf("(%s)", GetTypeAsCString());
28   if (dump_mask & eDumpOptionValue) {
29     if (dump_mask & eDumpOptionType)
30       strm.PutCString(" = ");
31     if (m_current_value != eLanguageTypeUnknown)
32       strm.PutCString(Language::GetNameForLanguageType(m_current_value));
33   }
34 }
35 
36 Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
37                                                VarSetOperationType op) {
38   Status error;
39   switch (op) {
40   case eVarSetOperationClear:
41     Clear();
42     break;
43 
44   case eVarSetOperationReplace:
45   case eVarSetOperationAssign: {
46     ConstString lang_name(value.trim());
47     std::set<lldb::LanguageType> languages_for_types;
48     std::set<lldb::LanguageType> languages_for_expressions;
49     Language::GetLanguagesSupportingTypeSystems(languages_for_types,
50                                                 languages_for_expressions);
51 
52     LanguageType new_type =
53         Language::GetLanguageTypeFromString(lang_name.GetStringRef());
54     if (new_type && languages_for_types.count(new_type)) {
55       m_value_was_set = true;
56       m_current_value = new_type;
57     } else {
58       StreamString error_strm;
59       error_strm.Printf("invalid language type '%s', ", value.str().c_str());
60       error_strm.Printf("valid values are:\n");
61       for (lldb::LanguageType language : languages_for_types) {
62         error_strm.Printf("%s%s%s", "    ",
63                           Language::GetNameForLanguageType(language), "\n");
64       }
65       error.SetErrorString(error_strm.GetString());
66     }
67   } break;
68 
69   case eVarSetOperationInsertBefore:
70   case eVarSetOperationInsertAfter:
71   case eVarSetOperationRemove:
72   case eVarSetOperationAppend:
73   case eVarSetOperationInvalid:
74     error = OptionValue::SetValueFromString(value, op);
75     break;
76   }
77   return error;
78 }
79 
80 lldb::OptionValueSP OptionValueLanguage::DeepCopy() const {
81   return OptionValueSP(new OptionValueLanguage(*this));
82 }
83