1 //===-- OptionValueFormat.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/Core/Stream.h"
17 #include "lldb/DataFormatters/FormatManager.h"
18 #include "lldb/Interpreter/Args.h"
19 #include "lldb/Target/Language.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     strm.PutCString(Language::GetNameForLanguageType(m_current_value));
32   }
33 }
34 
35 Error OptionValueLanguage::SetValueFromString(llvm::StringRef value,
36                                               VarSetOperationType op) {
37   Error error;
38   switch (op) {
39   case eVarSetOperationClear:
40     Clear();
41     break;
42 
43   case eVarSetOperationReplace:
44   case eVarSetOperationAssign: {
45     ConstString lang_name(value.trim());
46     std::set<lldb::LanguageType> languages_for_types;
47     std::set<lldb::LanguageType> languages_for_expressions;
48     Language::GetLanguagesSupportingTypeSystems(languages_for_types,
49                                                 languages_for_expressions);
50 
51     LanguageType new_type =
52         Language::GetLanguageTypeFromString(lang_name.GetStringRef());
53     if (new_type && languages_for_types.count(new_type)) {
54       m_value_was_set = true;
55       m_current_value = new_type;
56     } else {
57       StreamString error_strm;
58       error_strm.Printf("invalid language type '%s', ", value.str().c_str());
59       error_strm.Printf("valid values are:\n");
60       for (lldb::LanguageType language : languages_for_types) {
61         error_strm.Printf("%s%s%s", "    ",
62                           Language::GetNameForLanguageType(language), "\n");
63       }
64       error.SetErrorString(error_strm.GetData());
65     }
66   } break;
67 
68   case eVarSetOperationInsertBefore:
69   case eVarSetOperationInsertAfter:
70   case eVarSetOperationRemove:
71   case eVarSetOperationAppend:
72   case eVarSetOperationInvalid:
73     error = OptionValue::SetValueFromString(value, op);
74     break;
75   }
76   return error;
77 }
78 
79 lldb::OptionValueSP OptionValueLanguage::DeepCopy() const {
80   return OptionValueSP(new OptionValueLanguage(*this));
81 }
82