1 //===-- OptionValueLanguage.cpp -------------------------------------------===//
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/Symbol/TypeSystem.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
32 llvm::json::Value
ToJSON(const ExecutionContext * exe_ctx) const33 OptionValueLanguage::ToJSON(const ExecutionContext *exe_ctx) const {
34 return Language::GetNameForLanguageType(m_current_value);
35 }
36
SetValueFromString(llvm::StringRef value,VarSetOperationType op)37 Status OptionValueLanguage::SetValueFromString(llvm::StringRef value,
38 VarSetOperationType op) {
39 Status error;
40 switch (op) {
41 case eVarSetOperationClear:
42 Clear();
43 break;
44
45 case eVarSetOperationReplace:
46 case eVarSetOperationAssign: {
47 LanguageSet languages_for_types = Language::GetLanguagesSupportingTypeSystems();
48 LanguageType new_type = Language::GetLanguageTypeFromString(value.trim());
49 if (new_type && languages_for_types[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 (int bit : languages_for_types.bitvector.set_bits()) {
57 auto language = (LanguageType)bit;
58 error_strm.Printf(" %s\n",
59 Language::GetNameForLanguageType(language));
60 }
61 error = Status(error_strm.GetString().str());
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