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 #include "lldb/DataFormatters/FormatManager.h"
13 #include "lldb/Target/Language.h"
14 #include "lldb/Utility/Args.h"
15 #include "lldb/Utility/Stream.h"
16
17 using namespace lldb;
18 using namespace lldb_private;
19
DumpValue(const ExecutionContext * exe_ctx,Stream & strm,uint32_t dump_mask)20 void OptionValueLanguage::DumpValue(const ExecutionContext *exe_ctx,
21 Stream &strm, uint32_t dump_mask) {
22 if (dump_mask & eDumpOptionType)
23 strm.Printf("(%s)", GetTypeAsCString());
24 if (dump_mask & eDumpOptionValue) {
25 if (dump_mask & eDumpOptionType)
26 strm.PutCString(" = ");
27 if (m_current_value != eLanguageTypeUnknown)
28 strm.PutCString(Language::GetNameForLanguageType(m_current_value));
29 }
30 }
31
SetValueFromString(llvm::StringRef value,VarSetOperationType op)32 Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
33 VarSetOperationType op) {
34 Status error;
35 switch (op) {
36 case eVarSetOperationClear:
37 Clear();
38 break;
39
40 case eVarSetOperationReplace:
41 case eVarSetOperationAssign: {
42 ConstString lang_name(value.trim());
43 std::set<lldb::LanguageType> languages_for_types;
44 std::set<lldb::LanguageType> languages_for_expressions;
45 Language::GetLanguagesSupportingTypeSystems(languages_for_types,
46 languages_for_expressions);
47
48 LanguageType new_type =
49 Language::GetLanguageTypeFromString(lang_name.GetStringRef());
50 if (new_type && languages_for_types.count(new_type)) {
51 m_value_was_set = true;
52 m_current_value = new_type;
53 } else {
54 StreamString error_strm;
55 error_strm.Printf("invalid language type '%s', ", value.str().c_str());
56 error_strm.Printf("valid values are:\n");
57 for (lldb::LanguageType language : languages_for_types) {
58 error_strm.Printf("%s%s%s", " ",
59 Language::GetNameForLanguageType(language), "\n");
60 }
61 error.SetErrorString(error_strm.GetString());
62 }
63 } break;
64
65 case eVarSetOperationInsertBefore:
66 case eVarSetOperationInsertAfter:
67 case eVarSetOperationRemove:
68 case eVarSetOperationAppend:
69 case eVarSetOperationInvalid:
70 error = OptionValue::SetValueFromString(value, op);
71 break;
72 }
73 return error;
74 }
75
DeepCopy() const76 lldb::OptionValueSP OptionValueLanguage::DeepCopy() const {
77 return OptionValueSP(new OptionValueLanguage(*this));
78 }
79